Background: Endoscopic sub-mucosal dissection (ESD) is an established endoscopic modality for the management of colorectal polyps. However, there are no studies regarding the outcomes of ESD from India. In this study, we aimed at evaluating the outcomes of ESD in patients with adenomatous polyps in the colon and rectum.
Methods: Data of consecutive patients who underwent ESD for colorectal polyps from 2018 to 2021 were analyzed, retrospectively. The primary outcome of the study was the technical success of ESD. The secondary outcomes included the rate of histologically complete resection (R0), adverse events and recurrence.
Results: Seventy patients (63.5 years, 60% males) underwent ESD for polyps in colon and rectum. A majority were located in rectum (80%) and sigmoid colon (15.7%). Narrow band classification of the polyps was Japanese Narrow Band Imaging Expert Team (JNET)-2a in 50 (71.4%) and JNET-2b in 13 (18.6%) patients. ESD was technically successful in 64 (91.4%) patients using conventional technique (72.8%) and pocket or tunnelling technique (18.6%). There were no major adverse events. Histologically RO was achieved in 58 (82.8%) patients and deep sub-mucosal invasion was noted in 12 patients. At a median follow-up of 19 (interquartile range [IQR] 15-27) months, recurrence was noticed in four (5.7%) patients all of which could be managed endoscopically.
Conclusion: ESD, performed at a tertiary care centre in India, yields high rates of technical success and histologically R0, with a relatively low incidence of adverse events and recurrences.
{"title":"Outcomes of endoscopic sub-mucosal dissection in laterally spreading colorectal polyps: A tertiary care centre experience from India.","authors":"Zaheer Nabi, Manchu Chaithanya, Pradev Inavolu, Mohan Ramchandani, Palle Manohar Reddy, Mahiboob Sayyed, Jahangeer Basha, Partha Pal, Anuradha Sekharan, Rajesh Goud, Praveen Reddy, Nitin Jagtap, Rama Kotla, Rakesh Kalpala, Santhosh Darisetty, Sundeep Lakhtakia, Guduru Venkat Rao, Manu Tandan, Rajesh Gupta, Rangarao Devarasetti, Pradeep Rebala, Mahesh Shetty, D Nageshwar Reddy","doi":"10.1007/s12664-024-01635-w","DOIUrl":"10.1007/s12664-024-01635-w","url":null,"abstract":"<p><strong>Background: </strong>Endoscopic sub-mucosal dissection (ESD) is an established endoscopic modality for the management of colorectal polyps. However, there are no studies regarding the outcomes of ESD from India. In this study, we aimed at evaluating the outcomes of ESD in patients with adenomatous polyps in the colon and rectum.</p><p><strong>Methods: </strong>Data of consecutive patients who underwent ESD for colorectal polyps from 2018 to 2021 were analyzed, retrospectively. The primary outcome of the study was the technical success of ESD. The secondary outcomes included the rate of histologically complete resection (R0), adverse events and recurrence.</p><p><strong>Results: </strong>Seventy patients (63.5 years, 60% males) underwent ESD for polyps in colon and rectum. A majority were located in rectum (80%) and sigmoid colon (15.7%). Narrow band classification of the polyps was Japanese Narrow Band Imaging Expert Team (JNET)-2a in 50 (71.4%) and JNET-2b in 13 (18.6%) patients. ESD was technically successful in 64 (91.4%) patients using conventional technique (72.8%) and pocket or tunnelling technique (18.6%). There were no major adverse events. Histologically RO was achieved in 58 (82.8%) patients and deep sub-mucosal invasion was noted in 12 patients. At a median follow-up of 19 (interquartile range [IQR] 15-27) months, recurrence was noticed in four (5.7%) patients all of which could be managed endoscopically.</p><p><strong>Conclusion: </strong>ESD, performed at a tertiary care centre in India, yields high rates of technical success and histologically R0, with a relatively low incidence of adverse events and recurrences.</p>","PeriodicalId":13404,"journal":{"name":"Indian Journal of Gastroenterology","volume":" ","pages":"1012-1020"},"PeriodicalIF":2.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141874714","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-10-01Epub Date: 2024-05-17DOI: 10.1007/s12664-024-01530-4
Nitin Jagtap, Rakesh Kalapala, Hardik Rughwani, Aniruddha Pratap Singh, Pradev Inavolu, Mohan Ramchandani, Sundeep Lakhtakia, P Manohar Reddy, Anuradha Sekaran, Manu Tandan, Zaheer Nabi, Jahangeer Basha, Rajesh Gupta, Sana Fathima Memon, G Venkat Rao, Prateek Sharma, D Nageshwar Reddy
Aims: There is limited data on the prevalence and risk factors of colonic adenoma from the Indian sub-continent. We aimed at developing a machine-learning model to optimize colonic adenoma detection in a prospective cohort.
Methods: All consecutive adult patients undergoing diagnostic colonoscopy were enrolled between October 2020 and November 2022. Patients with a high risk of colonic adenoma were excluded. The predictive model was developed using the gradient-boosting machine (GBM)-learning method. The GBM model was optimized further by adjusting the learning rate and the number of trees and 10-fold cross-validation.
Results: Total 10,320 patients (mean age 45.18 ± 14.82 years; 69% men) were included in the study. In the overall population, 1152 (11.2%) patients had at least one adenoma. In patients with age > 50 years, hospital-based adenoma prevalence was 19.5% (808/4144). The area under the receiver operating curve (AUC) (SD) of the logistic regression model was 72.55% (4.91), while the AUCs for deep learning, decision tree, random forest and gradient-boosted tree model were 76.25% (4.22%), 65.95% (4.01%), 79.38% (4.91%) and 84.76% (2.86%), respectively. After model optimization and cross-validation, the AUC of the gradient-boosted tree model has increased to 92.2% (1.1%).
Conclusions: Machine-learning models may predict colorectal adenoma more accurately than logistic regression. A machine-learning model may help optimize the use of colonoscopy to prevent colorectal cancers.
{"title":"Application of machine-learning model to optimize colonic adenoma detection in India.","authors":"Nitin Jagtap, Rakesh Kalapala, Hardik Rughwani, Aniruddha Pratap Singh, Pradev Inavolu, Mohan Ramchandani, Sundeep Lakhtakia, P Manohar Reddy, Anuradha Sekaran, Manu Tandan, Zaheer Nabi, Jahangeer Basha, Rajesh Gupta, Sana Fathima Memon, G Venkat Rao, Prateek Sharma, D Nageshwar Reddy","doi":"10.1007/s12664-024-01530-4","DOIUrl":"10.1007/s12664-024-01530-4","url":null,"abstract":"<p><strong>Aims: </strong>There is limited data on the prevalence and risk factors of colonic adenoma from the Indian sub-continent. We aimed at developing a machine-learning model to optimize colonic adenoma detection in a prospective cohort.</p><p><strong>Methods: </strong>All consecutive adult patients undergoing diagnostic colonoscopy were enrolled between October 2020 and November 2022. Patients with a high risk of colonic adenoma were excluded. The predictive model was developed using the gradient-boosting machine (GBM)-learning method. The GBM model was optimized further by adjusting the learning rate and the number of trees and 10-fold cross-validation.</p><p><strong>Results: </strong>Total 10,320 patients (mean age 45.18 ± 14.82 years; 69% men) were included in the study. In the overall population, 1152 (11.2%) patients had at least one adenoma. In patients with age > 50 years, hospital-based adenoma prevalence was 19.5% (808/4144). The area under the receiver operating curve (AUC) (SD) of the logistic regression model was 72.55% (4.91), while the AUCs for deep learning, decision tree, random forest and gradient-boosted tree model were 76.25% (4.22%), 65.95% (4.01%), 79.38% (4.91%) and 84.76% (2.86%), respectively. After model optimization and cross-validation, the AUC of the gradient-boosted tree model has increased to 92.2% (1.1%).</p><p><strong>Conclusions: </strong>Machine-learning models may predict colorectal adenoma more accurately than logistic regression. A machine-learning model may help optimize the use of colonoscopy to prevent colorectal cancers.</p><p><strong>Trial registration: </strong>ClinicalTrials.gov (ID: NCT04512729).</p>","PeriodicalId":13404,"journal":{"name":"Indian Journal of Gastroenterology","volume":" ","pages":"995-1001"},"PeriodicalIF":2.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140957275","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-10-01Epub Date: 2024-03-22DOI: 10.1007/s12664-024-01526-0
Uday C Ghoshal, Piyush Mishra, Akash Mathur, Sai Prathap Reddy, Bushra Fatima, Asha Misra
Background: Obscure gastrointestinal bleed (OGIB), now called small bowel bleed (SBB), comprises 5% to 10% of all gastrointestinal (GI) bleed episodes and capsule endoscopy (CE) is a tool for its evaluation. Studies on CE in a large sample of SBB patients from the tropics are limited.
Methods: We did a retrospective analysis of a prospectively maintained database of patients with SBB undergoing CE using PillCam or MiroCam CE.
Results: Of 350 patients (age 52.4 ± 17.4 years; 248 [70.9%] male) undergoing CE, 243 (69.4%) and 107 (30.6%) had overt and occult SBB, respectively. CE detected lesions in 244 (69.7%) patients (single lesion in 172 [49.1%]; multiple in 72 [20.6%]). The single lesions included vascular malformations (52, 14.9%), ulcer/erosion (47, 13.4%), tumor (24, 6.9%), hookworm (19, 5.4%), stricture (15, 4.3%), hemobilia (1, 0.3%) and blood without identifiable lesion (9, 2.6%). Of 72 with multiple lesions, ulcer with stricture was the commonest finding (n = 43, 12.3%). No abnormality was detected in 106 (30.3%) patients. The frequency of lesion detection was comparable among patients with overt and occult SBB (173/243, 71.2% vs. 71/107, 66.3%, respectively; p = 0.4). Younger patients (0 to 39 years) more often had multiple lesions on CE than the older (≥ 40 years) ones (26/76, 34.2% vs. 46/228, 20.2%, respectively; p = 0.001).
Conclusion: CE has a high diagnostic yield in SBB in the tropics, regardless of the type of bleed or of CE brand and the duration of recording. Multiple lesions associated with SBB are commoner among younger (< 40 years) patients.
{"title":"Capsule endoscopy for obscure gastrointestinal bleed in the tropics: A single-center experience on 350 patients.","authors":"Uday C Ghoshal, Piyush Mishra, Akash Mathur, Sai Prathap Reddy, Bushra Fatima, Asha Misra","doi":"10.1007/s12664-024-01526-0","DOIUrl":"10.1007/s12664-024-01526-0","url":null,"abstract":"<p><strong>Background: </strong>Obscure gastrointestinal bleed (OGIB), now called small bowel bleed (SBB), comprises 5% to 10% of all gastrointestinal (GI) bleed episodes and capsule endoscopy (CE) is a tool for its evaluation. Studies on CE in a large sample of SBB patients from the tropics are limited.</p><p><strong>Methods: </strong>We did a retrospective analysis of a prospectively maintained database of patients with SBB undergoing CE using PillCam or MiroCam CE.</p><p><strong>Results: </strong>Of 350 patients (age 52.4 ± 17.4 years; 248 [70.9%] male) undergoing CE, 243 (69.4%) and 107 (30.6%) had overt and occult SBB, respectively. CE detected lesions in 244 (69.7%) patients (single lesion in 172 [49.1%]; multiple in 72 [20.6%]). The single lesions included vascular malformations (52, 14.9%), ulcer/erosion (47, 13.4%), tumor (24, 6.9%), hookworm (19, 5.4%), stricture (15, 4.3%), hemobilia (1, 0.3%) and blood without identifiable lesion (9, 2.6%). Of 72 with multiple lesions, ulcer with stricture was the commonest finding (n = 43, 12.3%). No abnormality was detected in 106 (30.3%) patients. The frequency of lesion detection was comparable among patients with overt and occult SBB (173/243, 71.2% vs. 71/107, 66.3%, respectively; p = 0.4). Younger patients (0 to 39 years) more often had multiple lesions on CE than the older (≥ 40 years) ones (26/76, 34.2% vs. 46/228, 20.2%, respectively; p = 0.001).</p><p><strong>Conclusion: </strong>CE has a high diagnostic yield in SBB in the tropics, regardless of the type of bleed or of CE brand and the duration of recording. Multiple lesions associated with SBB are commoner among younger (< 40 years) patients.</p>","PeriodicalId":13404,"journal":{"name":"Indian Journal of Gastroenterology","volume":" ","pages":"1045-1055"},"PeriodicalIF":2.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140189647","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-10-01Epub Date: 2024-08-22DOI: 10.1007/s12664-024-01663-6
Zaheer Nabi, Chaithanya Manchu, D Nageshwar Reddy
The integration of robotics into gastrointestinal (GI) endoscopy represents a transformative advancement and bears the potential to bridge the gap between traditional limitations by offering unprecedented precision and control in diagnostic and therapeutic procedures. This review explores the historical progression, current applications and future potential of robotic platforms in GI endoscopy. Originally designed for surgical applications, robotic systems have expanded their reach into endoscopy, potentially enhancing procedural accuracy and reducing ergonomic strain on practitioners. Natural Orifice Transluminal Endoscopic Surgery (NOTES) emerged as a promising technique, leveraging natural orifices to perform minimally invasive surgeries. Despite its initial potential, several factors, including limitations of the available instrumentations and lack of reliable closure techniques, hindered its widespread adoption and progress. Conventional endoscopic tools often fall short in terms of triangulation, traction and degrees of freedom, necessitating the adoption of robotic interventions. Over recent decades, robotic endoscopy has significantly evolved, focusing on both diagnostic and complex therapeutic procedures such as endoscopic sub-mucosal dissection (ESD) and endoscopic full-thickness resection (EFTR). Various robotic platforms demonstrate enhanced safety and efficiency in GI procedures. As the field progresses, the emphasis on clinical validation, advanced training and the exploration of new applications remains crucial. Continuous innovation in robotic technology and endoscopic techniques promises to overcome existing limitations, further revolutionizing the management of GI diseases and improving patient outcomes.
{"title":"Robotics in interventional endoscopy-evolution and the way forward.","authors":"Zaheer Nabi, Chaithanya Manchu, D Nageshwar Reddy","doi":"10.1007/s12664-024-01663-6","DOIUrl":"10.1007/s12664-024-01663-6","url":null,"abstract":"<p><p>The integration of robotics into gastrointestinal (GI) endoscopy represents a transformative advancement and bears the potential to bridge the gap between traditional limitations by offering unprecedented precision and control in diagnostic and therapeutic procedures. This review explores the historical progression, current applications and future potential of robotic platforms in GI endoscopy. Originally designed for surgical applications, robotic systems have expanded their reach into endoscopy, potentially enhancing procedural accuracy and reducing ergonomic strain on practitioners. Natural Orifice Transluminal Endoscopic Surgery (NOTES) emerged as a promising technique, leveraging natural orifices to perform minimally invasive surgeries. Despite its initial potential, several factors, including limitations of the available instrumentations and lack of reliable closure techniques, hindered its widespread adoption and progress. Conventional endoscopic tools often fall short in terms of triangulation, traction and degrees of freedom, necessitating the adoption of robotic interventions. Over recent decades, robotic endoscopy has significantly evolved, focusing on both diagnostic and complex therapeutic procedures such as endoscopic sub-mucosal dissection (ESD) and endoscopic full-thickness resection (EFTR). Various robotic platforms demonstrate enhanced safety and efficiency in GI procedures. As the field progresses, the emphasis on clinical validation, advanced training and the exploration of new applications remains crucial. Continuous innovation in robotic technology and endoscopic techniques promises to overcome existing limitations, further revolutionizing the management of GI diseases and improving patient outcomes.</p>","PeriodicalId":13404,"journal":{"name":"Indian Journal of Gastroenterology","volume":" ","pages":"966-975"},"PeriodicalIF":2.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142017380","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-10-01DOI: 10.1007/s12664-024-01625-y
Balaji Musunuri, Ganesh Bhat, Athish Shetty, Shiran Shetty, Ganesh C Pai
{"title":"Prevalence of work-related musculoskeletal disorders and its determinants among endoscopists in India.","authors":"Balaji Musunuri, Ganesh Bhat, Athish Shetty, Shiran Shetty, Ganesh C Pai","doi":"10.1007/s12664-024-01625-y","DOIUrl":"10.1007/s12664-024-01625-y","url":null,"abstract":"","PeriodicalId":13404,"journal":{"name":"Indian Journal of Gastroenterology","volume":" ","pages":"1062-1064"},"PeriodicalIF":2.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141310578","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-10-01Epub Date: 2024-09-11DOI: 10.1007/s12664-024-01665-4
Rohan Yewale, Amit Daphale, Ashish Gandhi, Amol Bapaye
Third space endoscopy (TSE) or sub-mucosal endoscopy using a mucosal flap valve (SEMF) enables the endoscopist to operate in the deeper layers of the gastrointestinal tract or gain access to the mediastinal/peritoneal cavity for natural orifice transoral endoscopic surgery (NOTES). TSE procedures are essentially endoscopic surgical procedures with a variable learning curve. Adverse events (AEs) during TSE are specific and follow a certain pattern across the spectrum of TSE procedures. These can be broadly categorized according to either type of AE, time of presentation relative to the procedure or according to degree of severity. Three major categories of AEs encountered during TSE include insufflation related AEs, mucosal injuries (MIs) and bleeding. Other relevant AEs include infectious complications, aspiration pneumonia, post-procedural chest/abdominal pain, atelectasis, cardiac arrhythmias, pleural effusion and pulmonary embolism. Reported incidence of AEs during TSE procedures varies according to the type and complexity of procedure. Acquaintance regarding potential risk factors, technical tips and precautions, alarm signs for early recognition, assessment of degree of severity, morphological characterization of AEs and finally, expeditious selection of appropriate management strategy are crucial and imperative for successful clinical outcomes. The current review discusses the current evidence and practical guidelines for prevention, early detection and management of TSE-related AEs.
{"title":"Prevention, detection and management of adverse events of third-space endoscopy.","authors":"Rohan Yewale, Amit Daphale, Ashish Gandhi, Amol Bapaye","doi":"10.1007/s12664-024-01665-4","DOIUrl":"10.1007/s12664-024-01665-4","url":null,"abstract":"<p><p>Third space endoscopy (TSE) or sub-mucosal endoscopy using a mucosal flap valve (SEMF) enables the endoscopist to operate in the deeper layers of the gastrointestinal tract or gain access to the mediastinal/peritoneal cavity for natural orifice transoral endoscopic surgery (NOTES). TSE procedures are essentially endoscopic surgical procedures with a variable learning curve. Adverse events (AEs) during TSE are specific and follow a certain pattern across the spectrum of TSE procedures. These can be broadly categorized according to either type of AE, time of presentation relative to the procedure or according to degree of severity. Three major categories of AEs encountered during TSE include insufflation related AEs, mucosal injuries (MIs) and bleeding. Other relevant AEs include infectious complications, aspiration pneumonia, post-procedural chest/abdominal pain, atelectasis, cardiac arrhythmias, pleural effusion and pulmonary embolism. Reported incidence of AEs during TSE procedures varies according to the type and complexity of procedure. Acquaintance regarding potential risk factors, technical tips and precautions, alarm signs for early recognition, assessment of degree of severity, morphological characterization of AEs and finally, expeditious selection of appropriate management strategy are crucial and imperative for successful clinical outcomes. The current review discusses the current evidence and practical guidelines for prevention, early detection and management of TSE-related AEs.</p>","PeriodicalId":13404,"journal":{"name":"Indian Journal of Gastroenterology","volume":" ","pages":"872-885"},"PeriodicalIF":2.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142286174","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Endoscopic ultrasound (EUS) has evolved from a diagnostic to an interventional modality, allowing precise vascular access and therapy. EUS-guided vascular access of the portal vein has received increasing attention in recent years as a diagnostic and therapeutic tool. EUS-guided portal pressure gradient directly measures the hepatic vein portal pressure gradient and is crucial for understanding of liver function and prognostication of liver disease. EUS facilitates the sampling of portal venous blood to obtain circulating tumor cells (CTCs) in pancreatobiliary malignancies. This technique aids in the diagnosis and staging of cancers. EUS-guided interventions have a substantial potential for diagnosing portal vein tumor thrombus (PVTT) in patients with hepatocellular carcinoma. EUS-guided coil and glue embolization have higher efficacy for the treatment of gastric varices than direct endoscopic glue. Pseudoaneurysm (PsA), a rare vascular complication of acute and chronic pancreatitis, is typically managed with interventional radiology (IR)-guided embolization and surgery. EUS is increasingly used in specialized centers for non-variceal gastrointestinal bleeding, particularly for pseudoaneurysm-related bleeding. There is limited data on EUS-guided intervention for bleeding ectopic varices, rectal varices and Dieulafoy lesions, but it is becoming more widely accepted. In this extensive review, we evaluated both current and potential future applications of EUS-guided vascular interventions, including EUS-guided gastric variceal bleed therapy, rectal and ectopic varices, pseudoaneurysmal bleeding, splenic artery embolization, portal pressure gradient measurement, portal vein sampling for CTCs, fine needle aspiration of PVTT, intrahepatic portosystemic shunt placement, liver tumor ablation and EUS-guided cardiac intervention.
内窥镜超声(EUS)已从一种诊断方式发展成为一种介入方式,可实现精确的血管通路和治疗。近年来,EUS 引导下的门静脉血管通路作为一种诊断和治疗工具受到越来越多的关注。EUS 引导下的门静脉压力梯度可直接测量肝静脉门静脉压力梯度,对于了解肝功能和肝病预后至关重要。在胰胆管恶性肿瘤中,EUS 方便了门静脉血液取样,以获取循环肿瘤细胞(CTC)。这项技术有助于癌症的诊断和分期。EUS 引导下的介入治疗在诊断肝细胞癌患者的门静脉肿瘤血栓(PVTT)方面具有很大的潜力。EUS 引导下的线圈和胶水栓塞治疗胃静脉曲张的疗效高于直接内镜胶水栓塞。假性动脉瘤(PsA)是急性和慢性胰腺炎的一种罕见血管并发症,通常采用介入放射学(IR)引导的栓塞和手术治疗。越来越多的专科中心使用 EUS 治疗非静脉胃肠道出血,尤其是假性动脉瘤相关出血。关于 EUS 引导下介入治疗异位静脉曲张、直肠静脉曲张和 Dieulafoy 病变出血的数据有限,但它正被越来越广泛地接受。在这篇内容广泛的综述中,我们评估了 EUS 引导下血管介入治疗的当前应用和未来可能的应用,包括 EUS 引导下的胃静脉曲张出血治疗、直肠和异位静脉曲张、假性动脉瘤出血、脾动脉栓塞、门静脉压力梯度测量、门静脉四氯化碳取样、PVTT 的细针抽吸、肝内门脉分流置管、肝肿瘤消融和 EUS 引导下的心脏介入治疗。
{"title":"Endoscopic ultrasound-guided vascular interventions: A review (with videos).","authors":"Praveer Rai, Pankaj Kumar, Umair Shamsul Hoda, Kartik Balankhe","doi":"10.1007/s12664-024-01681-4","DOIUrl":"10.1007/s12664-024-01681-4","url":null,"abstract":"<p><p>Endoscopic ultrasound (EUS) has evolved from a diagnostic to an interventional modality, allowing precise vascular access and therapy. EUS-guided vascular access of the portal vein has received increasing attention in recent years as a diagnostic and therapeutic tool. EUS-guided portal pressure gradient directly measures the hepatic vein portal pressure gradient and is crucial for understanding of liver function and prognostication of liver disease. EUS facilitates the sampling of portal venous blood to obtain circulating tumor cells (CTCs) in pancreatobiliary malignancies. This technique aids in the diagnosis and staging of cancers. EUS-guided interventions have a substantial potential for diagnosing portal vein tumor thrombus (PVTT) in patients with hepatocellular carcinoma. EUS-guided coil and glue embolization have higher efficacy for the treatment of gastric varices than direct endoscopic glue. Pseudoaneurysm (PsA), a rare vascular complication of acute and chronic pancreatitis, is typically managed with interventional radiology (IR)-guided embolization and surgery. EUS is increasingly used in specialized centers for non-variceal gastrointestinal bleeding, particularly for pseudoaneurysm-related bleeding. There is limited data on EUS-guided intervention for bleeding ectopic varices, rectal varices and Dieulafoy lesions, but it is becoming more widely accepted. In this extensive review, we evaluated both current and potential future applications of EUS-guided vascular interventions, including EUS-guided gastric variceal bleed therapy, rectal and ectopic varices, pseudoaneurysmal bleeding, splenic artery embolization, portal pressure gradient measurement, portal vein sampling for CTCs, fine needle aspiration of PVTT, intrahepatic portosystemic shunt placement, liver tumor ablation and EUS-guided cardiac intervention.</p>","PeriodicalId":13404,"journal":{"name":"Indian Journal of Gastroenterology","volume":" ","pages":"927-942"},"PeriodicalIF":2.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142345942","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-10-01DOI: 10.1007/s12664-024-01686-z
Sridhar Sundaram, Akhil Mahajan, Prachi Patil
{"title":"Advanced endoscopic resection for early gastrointestinal cancers in India: Challenges and opportunities await!","authors":"Sridhar Sundaram, Akhil Mahajan, Prachi Patil","doi":"10.1007/s12664-024-01686-z","DOIUrl":"10.1007/s12664-024-01686-z","url":null,"abstract":"","PeriodicalId":13404,"journal":{"name":"Indian Journal of Gastroenterology","volume":" ","pages":"866-868"},"PeriodicalIF":2.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142286170","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-10-01DOI: 10.1007/s12664-024-01678-z
Divya Achutha Ail, Roopa Rachel Paulose
Introduction: Neuroendocrine neoplasms of gastrointestinal tract (GIT) and pancreas are heterogenous tumors. World Health Organization (WHO) 2019 classification introduced Grade (G)3 neuroendocrine tumor (NET) distinct from neuroendocrine carcinoma (NEC), based on molecular differences and to triage the patients for appropriate therapy. This distinction largely relies on morphology, which can be challenging at times. Genomic profiling has revealed TP53 and RB1 mutations in NECs, while death domain-associated protein 6 (DAXX) and alpha-thalassemia/mental retardation X-linked (ATRX), in G3NET. Their role as biological markers in differentiating these entities and their significance as prognostic markers are not yet established. This study aims at analyzing the diagnostic and prognostic role of p53 and ATRX in neuroendocrine neoplasms of GIT and pancreas.
Methodology: A single-centre, eight-year retrospective study of neuroendocrine neoplasm of GIT and pancreas comprised G2NET, G3NET and NEC. Tumor slides were stained by immunohistochemistry for p53 and ATRX. Strong nuclear staining of > 50% of tumor cells for p53 was considered mutated. Nuclear staining of ATRX in < 5% of tumor cells was considered ATRX loss. Expression of p53 and ATRX was analyzed and correlated with tumor grades and patient survival.
Results: Fifty-five patients with gastro-entero-pancreatic neuroendocrine neoplasm were studied, comprising G2NET (58%), G3NET (16%) and NEC (26%). Median age of diagnosis was 59 years with male predominance. The pancreas was the most common site followed by the small bowel. NEC showed lower survival compared to G3 and G2NET. Mutated p53 immunohistochemical expression was more frequent among NEC than G3NET. Patients with mutated p53 had significantly lower survival irrespective of the grade (p = 0.001). There was no association of ATRX loss with grade or survival.
Conclusion: G3NETs are genetically different from NECs. Use of immunohistochemistry for p53 in addition to histomorphology may facilitate accurate categorization of NEC and G3NET. Mutated p53 may also be used as an independent prognostic marker in neuroendocrine tumors of GIT and pancreas.
{"title":"Prognostic and predictive significance of p53 and ATRX in neuroendocrine neoplasms of GIT and pancreas and their utility as an adjunct to accurate diagnosis-An eight-year retrospective study.","authors":"Divya Achutha Ail, Roopa Rachel Paulose","doi":"10.1007/s12664-024-01678-z","DOIUrl":"https://doi.org/10.1007/s12664-024-01678-z","url":null,"abstract":"<p><strong>Introduction: </strong>Neuroendocrine neoplasms of gastrointestinal tract (GIT) and pancreas are heterogenous tumors. World Health Organization (WHO) 2019 classification introduced Grade (G)3 neuroendocrine tumor (NET) distinct from neuroendocrine carcinoma (NEC), based on molecular differences and to triage the patients for appropriate therapy. This distinction largely relies on morphology, which can be challenging at times. Genomic profiling has revealed TP53 and RB1 mutations in NECs, while death domain-associated protein 6 (DAXX) and alpha-thalassemia/mental retardation X-linked (ATRX), in G3NET. Their role as biological markers in differentiating these entities and their significance as prognostic markers are not yet established. This study aims at analyzing the diagnostic and prognostic role of p53 and ATRX in neuroendocrine neoplasms of GIT and pancreas.</p><p><strong>Methodology: </strong>A single-centre, eight-year retrospective study of neuroendocrine neoplasm of GIT and pancreas comprised G2NET, G3NET and NEC. Tumor slides were stained by immunohistochemistry for p53 and ATRX. Strong nuclear staining of > 50% of tumor cells for p53 was considered mutated. Nuclear staining of ATRX in < 5% of tumor cells was considered ATRX loss. Expression of p53 and ATRX was analyzed and correlated with tumor grades and patient survival.</p><p><strong>Results: </strong>Fifty-five patients with gastro-entero-pancreatic neuroendocrine neoplasm were studied, comprising G2NET (58%), G3NET (16%) and NEC (26%). Median age of diagnosis was 59 years with male predominance. The pancreas was the most common site followed by the small bowel. NEC showed lower survival compared to G3 and G2NET. Mutated p53 immunohistochemical expression was more frequent among NEC than G3NET. Patients with mutated p53 had significantly lower survival irrespective of the grade (p = 0.001). There was no association of ATRX loss with grade or survival.</p><p><strong>Conclusion: </strong>G3NETs are genetically different from NECs. Use of immunohistochemistry for p53 in addition to histomorphology may facilitate accurate categorization of NEC and G3NET. Mutated p53 may also be used as an independent prognostic marker in neuroendocrine tumors of GIT and pancreas.</p>","PeriodicalId":13404,"journal":{"name":"Indian Journal of Gastroenterology","volume":" ","pages":""},"PeriodicalIF":2.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142345944","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}