Background: There is limited data on the long-term clinical outcomes of bio-naïve ulcerative colitis (UC) patients who are initiated on adalimumab (ADA). Our study aims to evaluate the clinical course of a nationwide cohort of bio naïve UC patients who were started on ADA, and then followed for 5 years after initiation of the drug.
Methods: We conducted a retrospective cohort study using the US Veteran Affairs Healthcare System (VAHS). Bio naïve UC patients were followed for 5 years after initiation of ADA. The primary outcome was to determine the time to discontinuation of ADA and if patients achieved endoscopic remission by the end of follow-up.
Results: A total of 387 patients were included among whom 193 (49.87%) had pancolitis. The highest rate of ADA discontinuation was within the first year, with the elderly having a higher rate of discontinuation (HR 1.67, 95% CI: 1.14-2.45) and those on concomitant immunomodulators having a lower rate of discontinuation (HR 0.70, 95% CI: 0.48-1.03). In total, 125 (32.30%) patients remained on ADA at the end of their maximum follow-up. 54 (43.90%) achieved endoscopic remission.
Conclusion: Among bio-naive UC patients who were started on ADA, a third were still on the drug at the end of 5 years and half had endoscopic remission. The rate of discontinuation was highest within the first year of initiation, but patients continued to stop the drug over the course of follow-up.
背景:关于开始使用阿达木单抗(ADA)的生化免疫缺陷型溃疡性结肠炎(UC)患者的长期临床疗效的数据十分有限。我们的研究旨在评估全国范围内开始使用阿达木单抗的生化免疫缺陷型溃疡性结肠炎患者的临床过程,并在开始用药后随访5年:我们利用美国退伍军人事务医疗保健系统(VAHS)开展了一项回顾性队列研究。我们在美国退伍军人事务医疗保健系统(VAHS)中开展了一项回顾性队列研究。在开始使用 ADA 后,我们对未接受生物治疗的 UC 患者进行了为期 5 年的随访。主要结果是确定停用 ADA 的时间,以及随访结束时患者是否达到内镜下缓解:结果:共纳入了 387 名患者,其中 193 人(49.87%)患有胰腺炎。第一年内停用 ADA 的比例最高,老年人的停用率较高(HR 1.67,95% CI:1.14-2.45),同时服用免疫调节剂的患者停用率较低(HR 0.70,95% CI:0.48-1.03)。在最长随访结束时,共有 125 名(32.30%)患者仍在服用 ADA。54人(43.90%)获得了内镜下缓解:结论:在开始服用 ADA 的生化免疫性 UC 患者中,三分之一的患者在 5 年后仍在服药,半数患者获得了内镜下缓解。停药率在开始用药的第一年内最高,但在随访过程中,患者仍在继续停药。
{"title":"Clinical Course of Bio Naive Ulcerative Colitis Patients Five Years After Initiation of Adalimumab in a Nationwide Cohort.","authors":"Ramaswamy Sundararajan, Manthankumar Patel, Janak Bahirwani, Chinmay Trivedi, Nadim Mahmud, Nabeel Khan","doi":"10.1093/crocol/otae046","DOIUrl":"10.1093/crocol/otae046","url":null,"abstract":"<p><strong>Background: </strong>There is limited data on the long-term clinical outcomes of bio-naïve ulcerative colitis (UC) patients who are initiated on adalimumab (ADA). Our study aims to evaluate the clinical course of a nationwide cohort of bio naïve UC patients who were started on ADA, and then followed for 5 years after initiation of the drug.</p><p><strong>Methods: </strong>We conducted a retrospective cohort study using the US Veteran Affairs Healthcare System (VAHS). Bio naïve UC patients were followed for 5 years after initiation of ADA. The primary outcome was to determine the time to discontinuation of ADA and if patients achieved endoscopic remission by the end of follow-up.</p><p><strong>Results: </strong>A total of 387 patients were included among whom 193 (49.87%) had pancolitis. The highest rate of ADA discontinuation was within the first year, with the elderly having a higher rate of discontinuation (HR 1.67, 95% CI: 1.14-2.45) and those on concomitant immunomodulators having a lower rate of discontinuation (HR 0.70, 95% CI: 0.48-1.03). In total, 125 (32.30%) patients remained on ADA at the end of their maximum follow-up. 54 (43.90%) achieved endoscopic remission.</p><p><strong>Conclusion: </strong>Among bio-naive UC patients who were started on ADA, a third were still on the drug at the end of 5 years and half had endoscopic remission. The rate of discontinuation was highest within the first year of initiation, but patients continued to stop the drug over the course of follow-up.</p>","PeriodicalId":10847,"journal":{"name":"Crohn's & Colitis 360","volume":null,"pages":null},"PeriodicalIF":1.8,"publicationDate":"2024-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11345511/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142072275","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-08-20eCollection Date: 2024-07-01DOI: 10.1093/crocol/otae040
Corey A Siegel, Dolly Sharma, Jenny Griffith, Quynhchau Doan, Si Xuan, Lisa Malter
Background: Patients with Crohn's disease (CD) or ulcerative colitis (UC) often cycle through conventional therapies (CT) with different mechanisms of action (MOA) before initiating advanced therapy (AT). We describe treatment patterns among patients with CD/UC.
Methods: Using Merative MarketScan Research databases, adult patients with CD/UC were identified from medical/pharmacy claims (2017-2021). Patients had ≥1 hospitalization or ≥2 outpatient visits (≥30 days apart within 1 year) for CD/UC. Two cohorts were established; cohort 1: Newly diagnosed patients (index date is the date of first diagnosis) and cohort 2: Patients initiating AT (index date is the date of first AT). First-line treatment patterns (cohort 1) and CT pathways before AT initiation (cohort 2) by the number of episodes (ie, adding a new therapy, switching to another therapy, or restarting the same therapy after ≥60 days) and MOA are reported.
Results: Among newly diagnosed patients in cohort 1 (CD: n = 1739; UC: n = 2740), 14.4% (CD) and 5.9% (UC) of patients had any AT use during the follow-up period (mean: 2.3 years; ≥ 77% initiated corticosteroids). Among patients in cohort 2 (CD: n = 2594; UC: n = 2431), the mean number of CT episodes before AT initiation was 4.0 ± 4.3 (CD) and 5.9 ± 5.0 (UC). Among those with ≥1 corticosteroid episode (CD: 82.2%; UC: 91.5%), the mean number of episodes was 4.6 ± 4.3 (CD) and 6.3 ± 5.0 (UC). Overall, 13.3% (CD) and 23.7% (UC) of patients cycled through 3 MOAs before AT initiation.
Conclusions: Despite treatment recommendations, few newly diagnosed CD/UC patients initiated AT as their first treatment. Moreover, patients cycled through multiple CTs before initiating AT.
{"title":"Treatment Pathways in Patients With Crohn's Disease and Ulcerative Colitis: Understanding the Road to Advanced Therapy.","authors":"Corey A Siegel, Dolly Sharma, Jenny Griffith, Quynhchau Doan, Si Xuan, Lisa Malter","doi":"10.1093/crocol/otae040","DOIUrl":"https://doi.org/10.1093/crocol/otae040","url":null,"abstract":"<p><strong>Background: </strong>Patients with Crohn's disease (CD) or ulcerative colitis (UC) often cycle through conventional therapies (CT) with different mechanisms of action (MOA) before initiating advanced therapy (AT). We describe treatment patterns among patients with CD/UC.</p><p><strong>Methods: </strong>Using Merative MarketScan Research databases, adult patients with CD/UC were identified from medical/pharmacy claims (2017-2021). Patients had ≥1 hospitalization or ≥2 outpatient visits (≥30 days apart within 1 year) for CD/UC. Two cohorts were established; cohort 1: Newly diagnosed patients (index date is the date of first diagnosis) and cohort 2: Patients initiating AT (index date is the date of first AT). First-line treatment patterns (cohort 1) and CT pathways before AT initiation (cohort 2) by the number of episodes (ie, adding a new therapy, switching to another therapy, or restarting the same therapy after ≥60 days) and MOA are reported.</p><p><strong>Results: </strong>Among newly diagnosed patients in cohort 1 (CD: <i>n</i> = 1739; UC: <i>n</i> = 2740), 14.4% (CD) and 5.9% (UC) of patients had any AT use during the follow-up period (mean: 2.3 years; ≥ 77% initiated corticosteroids). Among patients in cohort 2 (CD: <i>n</i> = 2594; UC: <i>n</i> = 2431), the mean number of CT episodes before AT initiation was 4.0 ± 4.3 (CD) and 5.9 ± 5.0 (UC). Among those with ≥1 corticosteroid episode (CD: 82.2%; UC: 91.5%), the mean number of episodes was 4.6 ± 4.3 (CD) and 6.3 ± 5.0 (UC). Overall, 13.3% (CD) and 23.7% (UC) of patients cycled through 3 MOAs before AT initiation.</p><p><strong>Conclusions: </strong>Despite treatment recommendations, few newly diagnosed CD/UC patients initiated AT as their first treatment. Moreover, patients cycled through multiple CTs before initiating AT.</p>","PeriodicalId":10847,"journal":{"name":"Crohn's & Colitis 360","volume":null,"pages":null},"PeriodicalIF":1.8,"publicationDate":"2024-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11358432/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142105202","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-08-04eCollection Date: 2024-07-01DOI: 10.1093/crocol/otae041
Hiram Menezes Nascimento Filho, Angelo So Taa Kum, Alexandre Moraes Bestetti, Pedro Henrique Veras Ayres da Silva, Megui Marilia Mansilla Gallegos, Adérson Omar Mourão Cintra Damião, Udayakumar Navaneethan, Eduardo Guimarães Hourneaux de Moura
Background: Successful Crohn's disease (CD) therapy relies on timely and precise management strategies. Endoscopic balloon dilation (EBD) has been applied as a first-line treatment for symptomatic CD-associated strictures due to its minimally invasive nature and the possibility of preserving intestinal length.
Objective: The aim of the present study was to determine patient-related predictive factors associated with the need for surgery for CD-associated ileocolic strictures after technically successful EBD.
Methods: All original studies published before December 2023 that reported the outcomes of patients treated with EBD for ileocolic strictures secondary to CD and described follow-up for at least 1 year were included. The difference in risk of needing surgery was calculated for 8 different patient characteristics (Sex, smoking habit, previous surgery, biologic therapy, steroids, immunosuppressors, nature of the stricture, and endoscopic disease activity).
Results: There were significant differences in the risk of needing surgery after EBD among patients who underwent surgery and patients without a history of surgery (RD: -0.20 [-0.31, -0.08]), patients with endoscopic mucosal activity and patients in remission at the time of EBD (RD: 0.19 [0.04, 0.34]), patients using biologics at the time of EBD and patients not using biologics (RD: -0.09 [-0.16, -0.03]), and patients using steroids and those not using steroids at the time of EBD (RD: 0.16 [0.07, 0.26]).
Conclusions: The use of biologics and endoscopic disease remission at the time of EBD were protective factors against the need for surgery. No previous surgery or use of steroids at the time of EBD was associated with the need for surgery during follow-up.
背景:克罗恩病(CD)的成功治疗有赖于及时和精确的管理策略。内镜下球囊扩张术(EBD)因其微创性和保留肠道长度的可能性,已被用作治疗症状性 CD 相关狭窄的一线疗法:本研究旨在确定与患者相关的预测因素,这些因素与技术上成功的 EBD 后 CD 相关性回结肠狭窄是否需要手术相关:方法:纳入2023年12月之前发表的所有原始研究,这些研究报告了继发于CD的回结肠狭窄患者接受EBD治疗的结果,并描述了至少1年的随访。根据 8 种不同的患者特征(性别、吸烟习惯、既往手术、生物治疗、类固醇、免疫抑制剂、狭窄性质和内镜下疾病活动性)计算需要手术的风险差异:接受过手术的患者与没有手术史的患者(RD:-0.20 [-0.31,-0.08])、有内镜粘膜活动的患者与 EBD 时病情缓解的患者(RD:0.19[0.04,0.34])、EBD时使用生物制剂的患者和未使用生物制剂的患者(RD:-0.09 [-0.16,-0.03])、EBD时使用类固醇的患者和未使用类固醇的患者(RD:0.16 [0.07,0.26]).结论:结论:EBD时使用生物制剂和内镜下疾病缓解是避免手术的保护因素。EBD发生时未进行过手术或使用类固醇与随访期间的手术需求有关。
{"title":"Patient-Related Factors Associated With Long-Term Outcomes After Successful Endoscopic Balloon Dilation For Crohn's Disease-Associated Ileo-Colic Strictures: A Systematic Review and Meta-analysis.","authors":"Hiram Menezes Nascimento Filho, Angelo So Taa Kum, Alexandre Moraes Bestetti, Pedro Henrique Veras Ayres da Silva, Megui Marilia Mansilla Gallegos, Adérson Omar Mourão Cintra Damião, Udayakumar Navaneethan, Eduardo Guimarães Hourneaux de Moura","doi":"10.1093/crocol/otae041","DOIUrl":"10.1093/crocol/otae041","url":null,"abstract":"<p><strong>Background: </strong>Successful Crohn's disease (CD) therapy relies on timely and precise management strategies. Endoscopic balloon dilation (EBD) has been applied as a first-line treatment for symptomatic CD-associated strictures due to its minimally invasive nature and the possibility of preserving intestinal length.</p><p><strong>Objective: </strong>The aim of the present study was to determine patient-related predictive factors associated with the need for surgery for CD-associated ileocolic strictures after technically successful EBD.</p><p><strong>Methods: </strong>All original studies published before December 2023 that reported the outcomes of patients treated with EBD for ileocolic strictures secondary to CD and described follow-up for at least 1 year were included. The difference in risk of needing surgery was calculated for 8 different patient characteristics (Sex, smoking habit, previous surgery, biologic therapy, steroids, immunosuppressors, nature of the stricture, and endoscopic disease activity).</p><p><strong>Results: </strong>There were significant differences in the risk of needing surgery after EBD among patients who underwent surgery and patients without a history of surgery (RD: -0.20 [-0.31, -0.08]), patients with endoscopic mucosal activity and patients in remission at the time of EBD (RD: 0.19 [0.04, 0.34]), patients using biologics at the time of EBD and patients not using biologics (RD: -0.09 [-0.16, -0.03]), and patients using steroids and those not using steroids at the time of EBD (RD: 0.16 [0.07, 0.26]).</p><p><strong>Conclusions: </strong>The use of biologics and endoscopic disease remission at the time of EBD were protective factors against the need for surgery. No previous surgery or use of steroids at the time of EBD was associated with the need for surgery during follow-up.</p>","PeriodicalId":10847,"journal":{"name":"Crohn's & Colitis 360","volume":null,"pages":null},"PeriodicalIF":1.8,"publicationDate":"2024-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11339545/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142035457","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-08-02eCollection Date: 2024-07-01DOI: 10.1093/crocol/otae045
Shintaro Akiyama, Nathaniel A Cohen, Jacob E Ollech, Cindy Traboulsi, Tina Rodriguez, Victoria Rai, Laura R Glick, Yangtian Yi, Joseph Runde, Russell D Cohen, Kinga B Skowron, Roger D Hurst, Konstantin Umanskiy, Benjamin D Shogan, Neil H Hyman, Michele A Rubin, Sushila R Dalal, Atsushi Sakuraba, Joel Pekow, Eugene B Chang, David T Rubin
Background: The modified pouchitis disease activity index (mPDAI) based on clinical symptoms and endoscopic findings is used to diagnose pouchitis, but validated instruments to monitor pouchitis are still lacking. We recently established an endoscopic classification that described 7 endoscopic phenotypes with different outcomes. We assessed symptoms and compared mPDAIs among phenotypes in inflammatory bowel disease (IBD).
Methods: We retrospectively reviewed pouchoscopies and classified them into 7 main phenotypes: normal (n = 25), afferent limb (AL) involvement (n = 4), inlet involvement (n = 14), diffuse (n = 7), focal inflammation of the pouch body (n = 25), cuffitis (n = 18), and pouch-related fistulas (n = 10) with a single phenotype were included. Complete-case analysis was conducted.
Results: One hundred and three IBD patients were included. The median mPDAI was 0 (IQR 0-1.0) in patients with a normal pouch. Among inflammatory phenotypes, the highest median mPDAI was 4.0 (IQR 2.25-4.75) in cuffitis, followed by 3.0 (IQR 2.5-4.0) in diffuse inflammation, 2.5 (IQR 1.25-4.0) in inlet involvement, 2.5 (IQR 2.0-3.5) in AL involvement, 2.0 (IQR 1.0-3.0) in focal inflammation, and 1.0 (IQR 0.25-2.0) in the fistula phenotype. Perianal symptoms were frequently observed in pouch-related fistulas (8/10, 80%) and cuffitis (13/15, 87%). Among patients with cuffitis, all had incomplete emptying (6/6, 100%).
Conclusions: We correlated the mPDAI with the endoscopic phenotypes and described the limited utility of symptoms in distinguishing between inflammatory phenotypes. Further studies are warranted to understand which symptoms should be monitored for each phenotype and whether mPDAI can be minimized after pouch normalization.
{"title":"A Comparative Analysis of Clinical Symptoms and Modified Pouchitis Disease Activity Index Among Endoscopic Phenotypes of the J Pouch in Patients With Inflammatory Bowel Disease.","authors":"Shintaro Akiyama, Nathaniel A Cohen, Jacob E Ollech, Cindy Traboulsi, Tina Rodriguez, Victoria Rai, Laura R Glick, Yangtian Yi, Joseph Runde, Russell D Cohen, Kinga B Skowron, Roger D Hurst, Konstantin Umanskiy, Benjamin D Shogan, Neil H Hyman, Michele A Rubin, Sushila R Dalal, Atsushi Sakuraba, Joel Pekow, Eugene B Chang, David T Rubin","doi":"10.1093/crocol/otae045","DOIUrl":"https://doi.org/10.1093/crocol/otae045","url":null,"abstract":"<p><strong>Background: </strong>The modified pouchitis disease activity index (mPDAI) based on clinical symptoms and endoscopic findings is used to diagnose pouchitis, but validated instruments to monitor pouchitis are still lacking. We recently established an endoscopic classification that described 7 endoscopic phenotypes with different outcomes. We assessed symptoms and compared mPDAIs among phenotypes in inflammatory bowel disease (IBD).</p><p><strong>Methods: </strong>We retrospectively reviewed pouchoscopies and classified them into 7 main phenotypes: normal (<i>n</i> = 25), afferent limb (AL) involvement (<i>n</i> = 4), inlet involvement (<i>n</i> = 14), diffuse (<i>n</i> = 7), focal inflammation of the pouch body (<i>n</i> = 25), cuffitis (<i>n</i> = 18), and pouch-related fistulas (<i>n</i> = 10) with a single phenotype were included. Complete-case analysis was conducted.</p><p><strong>Results: </strong>One hundred and three IBD patients were included. The median mPDAI was 0 (IQR 0-1.0) in patients with a normal pouch. Among inflammatory phenotypes, the highest median mPDAI was 4.0 (IQR 2.25-4.75) in cuffitis, followed by 3.0 (IQR 2.5-4.0) in diffuse inflammation, 2.5 (IQR 1.25-4.0) in inlet involvement, 2.5 (IQR 2.0-3.5) in AL involvement, 2.0 (IQR 1.0-3.0) in focal inflammation, and 1.0 (IQR 0.25-2.0) in the fistula phenotype. Perianal symptoms were frequently observed in pouch-related fistulas (8/10, 80%) and cuffitis (13/15, 87%). Among patients with cuffitis, all had incomplete emptying (6/6, 100%).</p><p><strong>Conclusions: </strong>We correlated the mPDAI with the endoscopic phenotypes and described the limited utility of symptoms in distinguishing between inflammatory phenotypes. Further studies are warranted to understand which symptoms should be monitored for each phenotype and whether mPDAI can be minimized after pouch normalization.</p>","PeriodicalId":10847,"journal":{"name":"Crohn's & Colitis 360","volume":null,"pages":null},"PeriodicalIF":1.8,"publicationDate":"2024-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11438232/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142343280","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-06-21eCollection Date: 2024-07-01DOI: 10.1093/crocol/otae036
Saqr Alsakarneh, Mohamed Ahmed, Fouad Jaber, Mir Zulqarnain, Raffi Karagozian, Fadi Francis, Francis A Farraye, Jana G Hashash
Introduction: Pouchitis is the most common complication in patients with ileal pouch-anal anastomosis (IPAA), which can develop in up to 66% of patients. There is limited data on the effect of orthoptic liver transplantation (OLT) on the risk of developing pouchitis. We aimed to objectively assess whether OLT itself significantly modifies the risk of developing pouchitis in patients with overlap PSC and inflammatory bowel disease (IBD).
Method: We searched Medline, Scopus, and Embase databases from inception through September 2023 for studies that describe the outcomes of IPAA in patients with PSC and IBD who also have a history of OLT. Pooled proportions, Odds Ratio (OR), and 95% confidence intervals (CI) for data were calculated utilizing a random effects model. Using the Freeman-Turkey double arcsine transformation (FTT) method, the pooled weight-adjusted estimate of event rates for clinical outcomes in each group was also calculated. Heterogeneity between studies was assessed using the Cochrane Q statistic (I2).
Results: Seven studies with a total of 291 patients with a history of PSC, IBD, and OLT were identified. The pooled overall risk of pouchitis in PSC/IBD patients with a history of OLT was 65% (95% CI: 0.57-0.72), with no heterogeneity observed in the analysis (I2 = 0%). In a subgroup analysis of patients who had IPAA followed by OLT, 3 studies with 28 patients were included; the pooled risk of pouchitis after IPAA and OLT was 83% (95% CI: 0.71-0.94; I2 = 0%), which was significantly higher (P < .001) than the OLT followed by IPAA group (59%; 95 CI: 0.48-0.71; I2 = 0%). There was no difference in the risk of pouchitis between OLT and non-OLT groups (OR = 1.36; 95% CI: 0.37-5.0).
Conclusions: Our meta-analysis revelaed that pouchitis is common in patients who underwent OLT for PSC, especially in those who had IPAA before the OLT. OLT before IPAA may reduce the risk of pouchitis. Further larger studies are warranted to reproduce this and investigate the reason behind this difference.
{"title":"Does Timing of Ileal Pouch-Anal Anastomosis Matter in Patients With Primary Sclerosing Cholangitis and Orthotopic Liver Transplantation? A Systematic Review and Meta-analysis.","authors":"Saqr Alsakarneh, Mohamed Ahmed, Fouad Jaber, Mir Zulqarnain, Raffi Karagozian, Fadi Francis, Francis A Farraye, Jana G Hashash","doi":"10.1093/crocol/otae036","DOIUrl":"10.1093/crocol/otae036","url":null,"abstract":"<p><strong>Introduction: </strong>Pouchitis is the most common complication in patients with ileal pouch-anal anastomosis (IPAA), which can develop in up to 66% of patients. There is limited data on the effect of orthoptic liver transplantation (OLT) on the risk of developing pouchitis. We aimed to objectively assess whether OLT itself significantly modifies the risk of developing pouchitis in patients with overlap PSC and inflammatory bowel disease (IBD).</p><p><strong>Method: </strong>We searched Medline, Scopus, and Embase databases from inception through September 2023 for studies that describe the outcomes of IPAA in patients with PSC and IBD who also have a history of OLT. Pooled proportions, Odds Ratio (OR), and 95% confidence intervals (CI) for data were calculated utilizing a random effects model. Using the Freeman-Turkey double arcsine transformation (FTT) method, the pooled weight-adjusted estimate of event rates for clinical outcomes in each group was also calculated. Heterogeneity between studies was assessed using the Cochrane Q statistic (I<sup>2</sup>).</p><p><strong>Results: </strong>Seven studies with a total of 291 patients with a history of PSC, IBD, and OLT were identified. The pooled overall risk of pouchitis in PSC/IBD patients with a history of OLT was 65% (95% CI: 0.57-0.72), with no heterogeneity observed in the analysis (I<sup>2</sup> = 0%). In a subgroup analysis of patients who had IPAA followed by OLT, 3 studies with 28 patients were included; the pooled risk of pouchitis after IPAA and OLT was 83% (95% CI: 0.71-0.94; I<sup>2</sup> = 0%), which was significantly higher (<i>P</i> < .001) than the OLT followed by IPAA group (59%; 95 CI: 0.48-0.71; I<sup>2</sup> = 0%). There was no difference in the risk of pouchitis between OLT and non-OLT groups (OR = 1.36; 95% CI: 0.37-5.0).</p><p><strong>Conclusions: </strong>Our meta-analysis revelaed that pouchitis is common in patients who underwent OLT for PSC, especially in those who had IPAA before the OLT. OLT before IPAA may reduce the risk of pouchitis. Further larger studies are warranted to reproduce this and investigate the reason behind this difference.</p>","PeriodicalId":10847,"journal":{"name":"Crohn's & Colitis 360","volume":null,"pages":null},"PeriodicalIF":1.8,"publicationDate":"2024-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11224914/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141554343","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-06-20eCollection Date: 2024-07-01DOI: 10.1093/crocol/otae037
Christian Karime, Asrita Vattikonda, Jana G Hashash, Barry G Rosser, Amit Merchea, Luca Stocchi, Francis A Farraye
Background: Colorectal surgery in patients with inflammatory bowel disease (IBD) and cirrhosis has increased morbidity, which may preclude surgery. Preoperative transjugular intrahepatic portosystemic shunt (TIPS) is postulated to reduce surgical risk. In this retrospective single-center study, we characterized perioperative outcomes in patients with IBD and cirrhosis who underwent preoperative TIPS.
Methods: We identified patients with IBD and cirrhosis who had undergone preoperative TIPS for portal decompression between 2010 and 2023. All other indications for TIPS led to patient exclusion. Demographic and medical data were collected, including portal pressure measurements. Primary outcome of interest was perioperative outcomes.
Results: Ten patients met the inclusion criteria. The most common surgical indications were dysplasia (50%) and refractory IBD (50%). TIPS was performed at a median of 47 days (IQR 34-80) before surgery, with reduction in portal pressures (22.5 vs. 18.5 mmHg, P < .01) and portosystemic gradient (12.5 vs. 5.5 mmHg, P < .01). Perioperative complications occurred in 80% of patients, including surgical site bleeding (30%), wound dehiscence (10%), systemic infection (30%), liver function elevation (50%), and coagulopathy (50%). No patients required re-operation, with median length of stay being 7 days (IQR 5.5-9.3). The 30-day readmission rate was 40%, most commonly for infection (75%), with 2 patients having intra-abdominal abscesses and 1 patient with concern for bowel ischemia. Ninety-day and one-year survival was 100% and 90%, respectively. Patients with primary sclerosing cholangitis (PSC)-cirrhosis were noted to have higher perioperative morbidity and a 30-day readmission rate.
Conclusions: In patients with IBD and cirrhosis, preoperative TIPS facilitated successful surgical intervention despite heightened risk. Nevertheless, significant complications were noted, in particular for patients with PSC-cirrhosis.
{"title":"Successful Preoperative Transjugular Intrahepatic Portosystemic Shunt for Portal Decompression in Patients With Inflammatory Bowel Disease and Cirrhosis Requiring Surgical Intervention.","authors":"Christian Karime, Asrita Vattikonda, Jana G Hashash, Barry G Rosser, Amit Merchea, Luca Stocchi, Francis A Farraye","doi":"10.1093/crocol/otae037","DOIUrl":"10.1093/crocol/otae037","url":null,"abstract":"<p><strong>Background: </strong>Colorectal surgery in patients with inflammatory bowel disease (IBD) and cirrhosis has increased morbidity, which may preclude surgery. Preoperative transjugular intrahepatic portosystemic shunt (TIPS) is postulated to reduce surgical risk. In this retrospective single-center study, we characterized perioperative outcomes in patients with IBD and cirrhosis who underwent preoperative TIPS.</p><p><strong>Methods: </strong>We identified patients with IBD and cirrhosis who had undergone preoperative TIPS for portal decompression between 2010 and 2023. All other indications for TIPS led to patient exclusion. Demographic and medical data were collected, including portal pressure measurements. Primary outcome of interest was perioperative outcomes.</p><p><strong>Results: </strong>Ten patients met the inclusion criteria. The most common surgical indications were dysplasia (50%) and refractory IBD (50%). TIPS was performed at a median of 47 days (IQR 34-80) before surgery, with reduction in portal pressures (22.5 vs. 18.5 mmHg, <i>P</i> < .01) and portosystemic gradient (12.5 vs. 5.5 mmHg, <i>P</i> < .01). Perioperative complications occurred in 80% of patients, including surgical site bleeding (30%), wound dehiscence (10%), systemic infection (30%), liver function elevation (50%), and coagulopathy (50%). No patients required re-operation, with median length of stay being 7 days (IQR 5.5-9.3). The 30-day readmission rate was 40%, most commonly for infection (75%), with 2 patients having intra-abdominal abscesses and 1 patient with concern for bowel ischemia. Ninety-day and one-year survival was 100% and 90%, respectively. Patients with primary sclerosing cholangitis (PSC)-cirrhosis were noted to have higher perioperative morbidity and a 30-day readmission rate.</p><p><strong>Conclusions: </strong>In patients with IBD and cirrhosis, preoperative TIPS facilitated successful surgical intervention despite heightened risk. Nevertheless, significant complications were noted, in particular for patients with PSC-cirrhosis.</p>","PeriodicalId":10847,"journal":{"name":"Crohn's & Colitis 360","volume":null,"pages":null},"PeriodicalIF":1.8,"publicationDate":"2024-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11221072/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141533915","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-05-14eCollection Date: 2024-04-01DOI: 10.1093/crocol/otae028
[This corrects the article DOI: 10.1093/crocol/otae010.].
[此处更正了文章 DOI:10.1093/crocol/otae010]。
{"title":"Correction to: Risk of Primary Gastrointestinal Lymphoma in Patients With Inflammatory Conditions Exposed to Tumor Necrosis Factor Alpha Inhibitors and Immunomodulators: A Case-Control Study.","authors":"","doi":"10.1093/crocol/otae028","DOIUrl":"https://doi.org/10.1093/crocol/otae028","url":null,"abstract":"<p><p>[This corrects the article DOI: 10.1093/crocol/otae010.].</p>","PeriodicalId":10847,"journal":{"name":"Crohn's & Colitis 360","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11092265/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140921722","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-05-03eCollection Date: 2024-04-01DOI: 10.1093/crocol/otae032
Daniel Aintabi, Gillian Greenberg, Jeffrey A Berinstein, Melissa DeJonckheere, Daniel Wray, Rebecca K Sripada, Sameer D Saini, Peter D R Higgins, Shirley Cohen-Mekelburg
Introduction: We recently showed that CAPTURE-inflammatory bowel disease (IBD)-a care coordination intervention comprised of routine remote monitoring of patient-reported outcomes (PRO) and a care coordinator-triggered care pathway-was more effective at reducing symptom burden for patients with IBD compared to usual care. We aimed to understand how patients and care team providers experienced the intervention and evaluate purported mechanisms of action to plan for future implementation.
Methods: In this study, 205 patients were randomized to CAPTURE-IBD (n = 100) or usual care(n = 105). We conducted semi-structured interviews with 16 of the 100 participants in the CAPTURE-IBD arm and 5 care team providers to achieve thematic saturation. We used qualitative rapid analysis to generate a broad understanding of experiences, perceived impact, the coordinator role, and suggested improvements.
Results: Findings highlight that the intervention was acceptable and user-friendly, despite concerns regarding increased nursing workload. Both participants and care team providers perceived the intervention as valuable in supporting symptom monitoring, psychosocial care, and between-visit action plans to improve IBD care and health outcomes. However, few participants leveraged the care coordinator as intended. Finally, participants reported that the intervention could be better tailored to capture day-to-day symptom changes and to meet the needs of patients with specific comorbid conditions (eg, ostomies).
Conclusions: Remote PRO monitoring is acceptable and may be valuable in improving care management, promoting tight control, and supporting whole health in IBD. Future efforts should focus on testing and implementing refined versions of CAPTURE-IBD tailored to different clinical settings.
{"title":"Remote Between Visit Monitoring in Inflammatory Bowel Disease Care: A Qualitative Study of CAPTURE-IBD Participants and Care Team Members.","authors":"Daniel Aintabi, Gillian Greenberg, Jeffrey A Berinstein, Melissa DeJonckheere, Daniel Wray, Rebecca K Sripada, Sameer D Saini, Peter D R Higgins, Shirley Cohen-Mekelburg","doi":"10.1093/crocol/otae032","DOIUrl":"10.1093/crocol/otae032","url":null,"abstract":"<p><strong>Introduction: </strong>We recently showed that CAPTURE-inflammatory bowel disease (IBD)-a care coordination intervention comprised of routine remote monitoring of patient-reported outcomes (PRO) and a care coordinator-triggered care pathway-was more effective at reducing symptom burden for patients with IBD compared to usual care. We aimed to understand how patients and care team providers experienced the intervention and evaluate purported mechanisms of action to plan for future implementation.</p><p><strong>Methods: </strong>In this study, 205 patients were randomized to CAPTURE-IBD (n = 100) or usual care(n = 105). We conducted semi-structured interviews with 16 of the 100 participants in the CAPTURE-IBD arm and 5 care team providers to achieve thematic saturation. We used qualitative rapid analysis to generate a broad understanding of experiences, perceived impact, the coordinator role, and suggested improvements.</p><p><strong>Results: </strong>Findings highlight that the intervention was acceptable and user-friendly, despite concerns regarding increased nursing workload. Both participants and care team providers perceived the intervention as valuable in supporting symptom monitoring, psychosocial care, and between-visit action plans to improve IBD care and health outcomes. However, few participants leveraged the care coordinator as intended. Finally, participants reported that the intervention could be better tailored to capture day-to-day symptom changes and to meet the needs of patients with specific comorbid conditions (eg, ostomies).</p><p><strong>Conclusions: </strong>Remote PRO monitoring is acceptable and may be valuable in improving care management, promoting tight control, and supporting whole health in IBD. Future efforts should focus on testing and implementing refined versions of CAPTURE-IBD tailored to different clinical settings.</p>","PeriodicalId":10847,"journal":{"name":"Crohn's & Colitis 360","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11087934/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140912096","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-04-27eCollection Date: 2024-04-01DOI: 10.1093/crocol/otae025
Mohammad Alomari, Pravallika Chadalavada, Sadaf Afraz, Mu'ed AlGhadir-AlKhalaileh, Zoilo K Suarez, Alec Swartz, Mamoon Rashid, Shrouq Khazaaleh, Benjamin L Cohen, Asad Ur Rahman, Mohammad Alomari
Background: Ulcerative colitis (UC) is a chronic inflammatory colon disease characterized by relapsing flares and remission episodes. However, the optimal steroid tapering strategy in patients hospitalized for acute severe UC (ASUC) remains relatively unknown. We aim to examine the clinical outcomes in patients hospitalized for ASUC regarding variable prednisone taper regimens upon discharge.
Methods: We retrospectively reviewed all adult patients admitted to our facility with ASUC between 2000 and 2022. Patients were divided into 2 groups based on the duration of steroid taper on discharge (< 6 and > 6 weeks). Patients who had colectomy at index admission were excluded from the analysis. The primary outcome was rehospitalization for ASUC within 6 months of index admission. Secondary outcomes included the need for colectomy, worsening endoscopic disease extent and/or severity during the follow-up period (6 months), and a composite outcome as a surrogate of worsening disease (defined as a combination of all products above). Two-sample t-tests and Pearson's chi-square tests were used to compare the means of continuous and categorical variables, respectively. Multivariate logistic regression analysis was performed to identify independent predictors for rehospitalization with ASUC.
Results: A total of 215 patients (short steroid taper = 91 and long steroid taper = 124) were analyzed. A higher number of patients in the long steroid taper group had a longer disease duration since diagnosis and moderate-severe endoscopic disease activity (63.8 vs. 25.6 months, p < 0.0001, 46.8% vs. 23.1%, P = ≤ .05, respectively). Both groups had similar disease extent, prior biologic therapy, and the need for inpatient rescue therapy. At the 6-month follow-up, rates of rehospitalization with a flare of UC were comparable between the 2 groups (68.3% vs. 68.5%, P = .723). On univariate and multivariate logistic regression, escalation of steroid dose within four weeks of discharge (aOR 6.09, 95% CI: 1.82-20.3, P = .003) was noted to be the only independent predictor for rehospitalization with ASUC.
Conclusions: This is the first study comparing clinical outcomes between post-discharge steroid tapering regimens in hospitalized patients for ASUC. Both examined steroid taper regimens upon discharge showed comparable clinical results. Hence, we suggest a short steroid taper as a standard post-hospitalization strategy in patients following ASUC encounters. It is likely to enhance patient tolerability and reduce steroid-related adverse effects without adversely affecting outcomes.
{"title":"Post-hospitalization Short Versus Long Steroid Taper Strategies in Patients With Acute Severe Ulcerative Colitis: A Comparison of Clinical Outcomes.","authors":"Mohammad Alomari, Pravallika Chadalavada, Sadaf Afraz, Mu'ed AlGhadir-AlKhalaileh, Zoilo K Suarez, Alec Swartz, Mamoon Rashid, Shrouq Khazaaleh, Benjamin L Cohen, Asad Ur Rahman, Mohammad Alomari","doi":"10.1093/crocol/otae025","DOIUrl":"10.1093/crocol/otae025","url":null,"abstract":"<p><strong>Background: </strong>Ulcerative colitis (UC) is a chronic inflammatory colon disease characterized by relapsing flares and remission episodes. However, the optimal steroid tapering strategy in patients hospitalized for acute severe UC (ASUC) remains relatively unknown. We aim to examine the clinical outcomes in patients hospitalized for ASUC regarding variable prednisone taper regimens upon discharge.</p><p><strong>Methods: </strong>We retrospectively reviewed all adult patients admitted to our facility with ASUC between 2000 and 2022. Patients were divided into 2 groups based on the duration of steroid taper on discharge (< 6 and > 6 weeks). Patients who had colectomy at index admission were excluded from the analysis. The primary outcome was rehospitalization for ASUC within 6 months of index admission. Secondary outcomes included the need for colectomy, worsening endoscopic disease extent and/or severity during the follow-up period (6 months), and a composite outcome as a surrogate of worsening disease (defined as a combination of all products above). Two-sample <i>t</i>-tests and Pearson's chi-square tests were used to compare the means of continuous and categorical variables, respectively. Multivariate logistic regression analysis was performed to identify independent predictors for rehospitalization with ASUC.</p><p><strong>Results: </strong>A total of 215 patients (short steroid taper = 91 and long steroid taper = 124) were analyzed. A higher number of patients in the long steroid taper group had a longer disease duration since diagnosis and moderate-severe endoscopic disease activity (63.8 vs. 25.6 months, <i>p</i> < 0.0001, 46.8% vs. 23.1%, <i>P</i> = ≤ .05, respectively). Both groups had similar disease extent, prior biologic therapy, and the need for inpatient rescue therapy. At the 6-month follow-up, rates of rehospitalization with a flare of UC were comparable between the 2 groups (68.3% vs. 68.5%, <i>P</i> = .723). On univariate and multivariate logistic regression, escalation of steroid dose within four weeks of discharge (aOR 6.09, 95% CI: 1.82-20.3, <i>P</i> = .003) was noted to be the only independent predictor for rehospitalization with ASUC.</p><p><strong>Conclusions: </strong>This is the first study comparing clinical outcomes between post-discharge steroid tapering regimens in hospitalized patients for ASUC. Both examined steroid taper regimens upon discharge showed comparable clinical results. Hence, we suggest a short steroid taper as a standard post-hospitalization strategy in patients following ASUC encounters. It is likely to enhance patient tolerability and reduce steroid-related adverse effects without adversely affecting outcomes.</p>","PeriodicalId":10847,"journal":{"name":"Crohn's & Colitis 360","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11071514/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140849909","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-04-26eCollection Date: 2024-04-01DOI: 10.1093/crocol/otae029
Kofi Clarke, Arsh Momin, Michelle Rosario, August Stuart, Shannon Dalessio, Andrew Tinsley, Emmanuelle Williams, Matthew Coates
Background: Inflammatory bowel disease (IBD) is associated with significant psychosocial, economic, and physical burden on patients. IBD care in the United States results in significant healthcare expenditure with recurring emergency department (ED) care and hospital admissions. Despite advances in therapy and improved access to specialty care, there is still room for improvement in cost-efficient care. Specialty medical homes and interdisciplinary care models have emerged as ways to improve medical care, patient outcomes, and quality of life, as well as improve the impact of healthcare costs. There is limited real-world data on cost in the United States, with many articles citing cost estimates from models.
Methods: We analyzed real-world data from our tertiary care center with a focus on recurrent ED visits by IBD patients. Descriptive statistics were used for a cost analysis of multiple ED visits by IBD patients. Patients with ≥4 visits to the ED in a 6-month period were described as SuperUsers and were included in a separate analysis. The cost of hospitalization was also included.
Results: Total cost associated with all ED visits from SuperUsers were $72 999.57 with an average of $6636.32 per patient. When the patients were admitted, the total cost of ED visits and hospitalizations was $721 461.52, with an average of $65 587.41 per patient.
Conclusions: ED utilization by IBD patients with or without hospitalization is expensive and is typically driven by a cohort of SuperUsers. More work needs to be done to improve cost-effectiveness in IBD care, including reducing the frequency of ED visits.
{"title":"Economics of Emergency Department Visits by Patients With Inflammatory Bowel Disease: A Real-World Analysis.","authors":"Kofi Clarke, Arsh Momin, Michelle Rosario, August Stuart, Shannon Dalessio, Andrew Tinsley, Emmanuelle Williams, Matthew Coates","doi":"10.1093/crocol/otae029","DOIUrl":"10.1093/crocol/otae029","url":null,"abstract":"<p><strong>Background: </strong>Inflammatory bowel disease (IBD) is associated with significant psychosocial, economic, and physical burden on patients. IBD care in the United States results in significant healthcare expenditure with recurring emergency department (ED) care and hospital admissions. Despite advances in therapy and improved access to specialty care, there is still room for improvement in cost-efficient care. Specialty medical homes and interdisciplinary care models have emerged as ways to improve medical care, patient outcomes, and quality of life, as well as improve the impact of healthcare costs. There is limited real-world data on cost in the United States, with many articles citing cost estimates from models.</p><p><strong>Methods: </strong>We analyzed real-world data from our tertiary care center with a focus on recurrent ED visits by IBD patients. Descriptive statistics were used for a cost analysis of multiple ED visits by IBD patients. Patients with ≥4 visits to the ED in a 6-month period were described as SuperUsers and were included in a separate analysis. The cost of hospitalization was also included.</p><p><strong>Results: </strong>Total cost associated with all ED visits from SuperUsers were $72 999.57 with an average of $6636.32 per patient. When the patients were admitted, the total cost of ED visits and hospitalizations was $721 461.52, with an average of $65 587.41 per patient.</p><p><strong>Conclusions: </strong>ED utilization by IBD patients with or without hospitalization is expensive and is typically driven by a cohort of SuperUsers. More work needs to be done to improve cost-effectiveness in IBD care, including reducing the frequency of ED visits.</p>","PeriodicalId":10847,"journal":{"name":"Crohn's & Colitis 360","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11087930/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140912021","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}