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Genetic causality of circulating inflammatory proteins and plasma metabolites in coronary atherosclerosis. 冠状动脉粥样硬化中循环炎症蛋白和血浆代谢物的遗传因果关系。
IF 2.7 4区 医学 Q1 MEDICINE, GENERAL & INTERNAL Pub Date : 2026-02-13 DOI: 10.1093/postmj/qgaf145
Runji Chen, Daifei Shen, Shiwan Wu, Yanhong Zhang, Shu Ye
<p><strong>Background: </strong>Coronary atherosclerosis is a leading cause of cardiovascular disease and death worldwide. Despite progress in understanding its pathogenesis, the roles of circulating inflammatory proteins and plasma metabolites are complex and not fully elucidated. Existing Mendelian randomization (MR) studies often target isolated biomarkers, lacking comprehensive and mechanistic insights. This study uses MR to clarify the genetic causal relationships between circulating inflammatory proteins, plasma metabolites, and coronary atherosclerosis, and to explore potential mediation pathways.</p><p><strong>Methods: </strong>Two-sample MR identified causal associations, while mediation analysis assessed whether plasma metabolites mediate the effects of inflammatory proteins on coronary atherosclerosis. Sensitivity analyses included Cochrane's Q test and MR-Egger intercept.</p><p><strong>Results: </strong>Our analysis identified 11 circulating inflammatory proteins and 102 plasma metabolites associated with coronary atherosclerosis. Additionally, the genetic variants associated with elevated levels of eukaryotic translation initiation factor 4E-binding protein 1 (OR = 1.0590, 95% CI: 1.0050-1.1170) were found to increase the risk of coronary atherosclerosis through modulation of octadecanedioate and octadecanedioylcarnitine (C18-DC) levels, while leukemia inhibitory factor receptor (OR = 0.9400, 95% CI: 0.8890-0.9930)-associated variants reduced its risk through modulation of campesterol levels. Mediation analyses revealed that octadecanedioate levels (Mediated pro-portion = 18.5%), C18-DC levels (Mediated proportion = 21.6%) and campesterol levels (Mediated proportion = 26.7%) mediated these effects.</p><p><strong>Conclusions: </strong>This study provides new insights into the genetic and metabolic mechanisms underlying coronary atherosclerosis, extending beyond traditional biomarkers. The findings highlight potential therapeutic targets of coronary atherosclerosis and related metabolic disorders. Key messages What is already known on this topic: Coronary atherosclerosis, a leading cause of cardiovascular disease, has been linked to inflammatory proteins and plasma metabolites. However, the complexity of these relationships, particularly the genetic and metabolic mechanisms underlying the disease, remains poorly understood. Existing studies have largely focused on individual biomarkers and their associations with atherosclerosis, lacking comprehensive assessments and insights into potential mediation pathways. What this study adds: This study utilizes Mendelian randomization to identify genetic causal relationships between 11 circulating inflammatory proteins and 102 plasma metabolites with coronary atherosclerosis. It provides novel insights into the mediation roles of metabolites like octadecanedioate, C18-DC, and campesterol in the disease's progression. How this study might affect research, practice, or policy: By uncovering geneti
背景:冠状动脉粥样硬化是世界范围内心血管疾病和死亡的主要原因。尽管对其发病机制的了解有所进展,但循环炎症蛋白和血浆代谢物的作用是复杂的,尚未完全阐明。现有的孟德尔随机化(MR)研究通常针对孤立的生物标志物,缺乏全面和机制的见解。本研究利用磁共振技术阐明循环炎症蛋白、血浆代谢物与冠状动脉粥样硬化之间的遗传因果关系,并探索潜在的介导途径。方法:双样本MR确定因果关系,而中介分析评估血浆代谢物是否介导炎症蛋白对冠状动脉粥样硬化的影响。敏感性分析包括Cochrane’s Q检验和MR-Egger截距。结果:我们的分析确定了11种循环炎症蛋白和102种与冠状动脉粥样硬化相关的血浆代谢物。此外,与真核翻译起始因子4e结合蛋白1水平升高相关的遗传变异(OR = 1.0590, 95% CI: 1.0050-1.1170)通过调节十八烷二酸酯和十八烷二酰基肉碱(C18-DC)水平增加冠状动脉粥样硬化的风险,而白血病抑制因子受体(OR = 0.9400, 95% CI: 0.8890-0.9930)相关的变异通过调节油菜甾醇水平降低其风险。中介分析表明,十八烷二磺酸水平(中介比例= 18.5%)、C18-DC水平(中介比例= 21.6%)和油菜甾醇水平(中介比例= 26.7%)介导了这些影响。结论:这项研究为冠状动脉粥样硬化的遗传和代谢机制提供了新的见解,超越了传统的生物标志物。研究结果强调了冠状动脉粥样硬化和相关代谢紊乱的潜在治疗靶点。关于这一主题的已知信息:冠状动脉粥样硬化是心血管疾病的主要原因,与炎症蛋白和血浆代谢物有关。然而,这些关系的复杂性,特别是疾病背后的遗传和代谢机制,仍然知之甚少。现有的研究主要集中在个体生物标志物及其与动脉粥样硬化的关系上,缺乏对潜在介导途径的全面评估和见解。本研究补充:本研究利用孟德尔随机化来确定11种循环炎症蛋白和102种血浆代谢物与冠状动脉粥样硬化之间的遗传因果关系。它提供了新的见解,代谢物如十八戊二酸、C18-DC和油菜甾醇在疾病进展中的中介作用。本研究对研究、实践或政策的影响:通过揭示与冠状动脉粥样硬化有关的遗传和代谢途径,本研究为未来针对这些途径的治疗干预奠定了基础。它突出了潜在的生物标志物和新的治疗靶点,为冠状动脉粥样硬化及相关代谢紊乱的预防和治疗策略提供了新的视角。
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引用次数: 0
Prognostic significance of the HALP score in patients with acute ischemic stroke. 急性缺血性脑卒中患者HALP评分的预后意义。
IF 2.7 4区 医学 Q1 MEDICINE, GENERAL & INTERNAL Pub Date : 2026-02-13 DOI: 10.1093/postmj/qgaf225
Tuba Betul Umit, Halil Ibrahim Akdogan, Yasin Taskin, Zehra Yavuz, Ozgur Sogut, Muge Arslan, Gülin Inan

Aim: To investigate the relationship between the Hemoglobin, Albumin, Lymphocyte, and Platelet (HALP) score and prognosis in patients with acute ischemic stroke (AIS).

Methods: This retrospective, cross-sectional, observational, single-center study enrolled 1128 patients with AIS who presented to the emergency department and were hospitalized between June 2019 and December 2021. The HALP score was calculated as follows: hemoglobin (g/L) × albumin (g/L) × lymphocytes (/L)/platelets (/L). Demographics, clinical characteristics, and HALP scores were compared between survivors and nonsurvivors to identify factors associated with in-hospital mortality.

Results: The HALP scores for nonsurvivors and survivors were 13.9 [7.2-25.9] and 36.4 [22.8-52.8], respectively. Compared to the survivors, the HALP score was significantly lower in nonsurvivor patients.

Conclusions: The HALP score has prognostic value in patients with AIS. Patients with lower HALP scores at admission are at higher risk for prolonged hospital stay, need for intensive care, and mortality, suggesting that a low score may be predictive of poor prognosis in patients with AIS. The cut-off value for predicting mortality was 21.5. Key messages What is already known on this topic: Acute ischemic stroke (AIS) is a leading cause of death and disability worldwide, and accurate early prognostic markers are essential for guiding clinical decisions. Nutritional and inflammatory parameters such as hemoglobin, albumin, lymphocyte, and platelet counts have individually been associated with stroke prognosis. The HALP score-originally validated in cancer and critical illness-has recently emerged as a composite marker reflecting inflammation and nutritional status. However, data on its prognostic value in AIS patients remain limited and inconsistent. What this study adds: This study demonstrates that the HALP score on admission is an independent predictor of in-hospital mortality in AIS patients. A specific cut-off value of 21.5 was identified, below which the risk of death, intensive care unit (ICU) admission, and prolonged hospital stay significantly increased. The HALP score also showed good discriminative ability (Area under the curve (AUC)  = 0.781) in predicting adverse outcomes. How this study might affect research, practice or policy: The HALP score, calculated using routine and inexpensive laboratory parameters, may serve as a practical bedside tool for early risk stratification in AIS. Its use could help clinicians identify high-risk patients at triage and prioritize monitoring or interventions. Future prospective studies could support its integration into prognostic models or emergency care pathways for stroke.

目的:探讨急性缺血性脑卒中(AIS)患者血红蛋白、白蛋白、淋巴细胞和血小板(HALP)评分与预后的关系。方法:这项回顾性、横断面、观察性、单中心研究纳入了1128名在2019年6月至2021年12月期间就诊于急诊科的AIS患者。HALP评分计算公式为:血红蛋白(g/L) ×白蛋白(g/L) ×淋巴细胞(/L)/血小板(/L)。在幸存者和非幸存者之间比较人口统计学、临床特征和HALP评分,以确定与住院死亡率相关的因素。结果:非幸存者和幸存者的HALP评分分别为13.9分[7.2-25.9分]和36.4分[22.8-52.8分]。与幸存者相比,非幸存者的HALP评分明显较低。结论:HALP评分对AIS患者有预后价值。入院时HALP评分较低的患者住院时间延长、需要重症监护和死亡的风险较高,提示评分较低可能预示AIS患者预后不良。预测死亡率的临界值为21.5。关于该主题的已知信息:急性缺血性卒中(AIS)是世界范围内死亡和残疾的主要原因,准确的早期预后标记对于指导临床决策至关重要。营养和炎症参数如血红蛋白、白蛋白、淋巴细胞和血小板计数单独与脑卒中预后相关。HALP评分最初在癌症和危重疾病中得到验证,最近作为反映炎症和营养状况的复合标记物出现。然而,关于其在AIS患者预后价值的数据仍然有限且不一致。本研究补充:本研究表明,入院时的HALP评分是AIS患者住院死亡率的独立预测因子。确定了一个特定的临界值21.5,低于该临界值,死亡、重症监护病房(ICU)入院和延长住院时间的风险显著增加。HALP评分在预测不良结局方面也具有较好的判别能力(曲线下面积(AUC) = 0.781)。这项研究对研究、实践或政策的影响:HALP评分是使用常规和廉价的实验室参数计算的,可以作为AIS早期风险分层的实用床边工具。它的使用可以帮助临床医生在分诊时识别高风险患者,并优先进行监测或干预。未来的前瞻性研究可以支持将其整合到中风的预后模型或急诊护理途径中。
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引用次数: 0
A split identity in distorted times: navigating cultural duality, migration, and empathy as a Venezuelan American physician. 扭曲时代的分裂身份:作为一名委内瑞拉裔美国医生,驾驭文化二元性、移民和同理心。
IF 2.7 4区 医学 Q1 MEDICINE, GENERAL & INTERNAL Pub Date : 2026-02-13 DOI: 10.1093/postmj/qgaf214
Oriana Krivenko
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引用次数: 0
Therapeutic strategy for diabetic patients with cardiovascular-kidney-metabolic syndrome. 糖尿病合并心-肾-代谢综合征的治疗策略
IF 2.7 4区 医学 Q1 MEDICINE, GENERAL & INTERNAL Pub Date : 2026-02-13 DOI: 10.1093/postmj/qgaf180
Jing Huang, Pei-Yuan Zuo, Cun-Tai Zhang, Jin-Hua Yan

Cardiovascular-kidney-metabolic (CKM) syndrome is a multisystemic condition arising from the intricate interactions among cardiovascular disease, chronic kidney disease, and metabolic risk factors, which together impose a high burden of morbidity and mortality. Poor CKM health leads to a clinical syndrome with multiorgan dysfunction, with the most significant consequence being a high risk of cardiovascular events and serious renal outcomes. Based on the growing recognition of CKM syndrome, antidiabetic drugs with cardiorenal benefits are considered as first-line therapeutic strategies for patients with type 2 diabetes mellitus. In this review, we summarize several common antidiabetic agents with cardiorenal benefits, and elaborate on their clinical efficacy in addressing cardiovascular events and kidney outcomes in clinical practice, with the aim of developing a holistic CKM management framework and getting a ward-documentation skills among junior doctors. Individualized treatment and precision medicine treatment is also of great importance for CKM health.

心血管肾代谢综合征(CKM)是心血管疾病、慢性肾脏疾病和代谢危险因素之间复杂相互作用引起的多系统疾病,它们共同造成了高发病率和死亡率的负担。CKM健康状况不佳导致多器官功能障碍的临床综合征,最显著的后果是心血管事件的高风险和严重的肾脏结局。随着对CKM综合征认识的不断提高,对心肾有益的降糖药物被认为是2型糖尿病患者的一线治疗策略。在这篇综述中,我们总结了几种常见的具有心肾益处的降糖药,并详细阐述了它们在临床实践中解决心血管事件和肾脏结局的临床疗效,旨在建立一个全面的CKM管理框架,并在初级医生中获得病房记录技能。个体化治疗和精准医学治疗对CKM健康也非常重要。
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引用次数: 0
A narrative review of cancer-related loneliness in those living with and beyond cancer, and their close persons. 对癌症患者及其亲人的癌症相关孤独的叙述回顾。
IF 2.7 4区 医学 Q1 MEDICINE, GENERAL & INTERNAL Pub Date : 2026-02-13 DOI: 10.1093/postmj/qgaf182
Lydia Mckeown, Martin Dempster, Jenny Groarke, Lisa Graham-Wisener

Cancer-related loneliness is a feeling of social disconnection caused by a diagnosis of cancer, and it is associated with individuals' cancer-related social expectations. It is conceptually distinct when compared with loneliness in a general population due to the unique challenges of cancer. Cancer-related loneliness also impacts close persons including caregivers and dependent youth, with both these populations reporting experiences of loneliness. Given that loneliness is related to a range of harmful psychological and physical outcomes, and there is a paucity of interventions to address cancer-related loneliness in patients and close persons, it is vital for healthcare professionals to be aware of loneliness in these populations. This review provides key takeaways for healthcare professionals to best support patients and close persons experiencing cancer-related loneliness and provides recommendations for future research directions.

癌症相关的孤独是一种由癌症诊断引起的社会脱节感,它与个人与癌症相关的社会期望有关。由于癌症的独特挑战,与普通人群的孤独感相比,它在概念上是不同的。与癌症相关的孤独也影响到亲密的人,包括照顾者和依赖的年轻人,这两个人群都报告了孤独的经历。鉴于孤独与一系列有害的心理和身体结果有关,并且缺乏干预措施来解决患者和亲密人群中与癌症相关的孤独,因此医疗保健专业人员意识到这些人群中的孤独至关重要。本综述为医疗保健专业人员提供了关键的结论,以最好地支持患者和亲密的人经历癌症相关的孤独,并为未来的研究方向提供了建议。
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引用次数: 0
The weight of words: teaching junior doctors to reframe harmful labels. 话语的分量:教导初级医生重新定义有害的标签。
IF 2.7 4区 医学 Q1 MEDICINE, GENERAL & INTERNAL Pub Date : 2026-02-13 DOI: 10.1093/postmj/qgaf143
Waseem Jerjes
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引用次数: 0
Correction to: Dose-dependent association between proton pump inhibitor use and the risk of migraine: a nationwide matched case-control study. 质子泵抑制剂的使用与偏头痛风险之间的剂量依赖性关联:一项全国性匹配的病例对照研究。
IF 2.7 4区 医学 Q1 MEDICINE, GENERAL & INTERNAL Pub Date : 2026-02-13 DOI: 10.1093/postmj/qgaf212
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引用次数: 0
Unveiling the role of cathepsins in depression: a Mendelian randomization study. 揭示组织蛋白酶在抑郁症中的作用:一项孟德尔随机研究。
IF 2.7 4区 医学 Q1 MEDICINE, GENERAL & INTERNAL Pub Date : 2026-02-13 DOI: 10.1093/postmj/qgaf104
Guifeng Zhuo, Wei Chen, Fengsheng Xu, Xiaomin Zhu, Jinzhi Zhang, Mingyang Su, Yulan Fu, Xiangyi Chen, Lin Wu

Objective: Depression is a prevalent psychological disorder involving complex pathogenesis mechanisms. Cathepsins may play a significant role in the pathogenesis of depression, yet the exact impact of cathepsins on the risk of developing depression remains unclear. The objective of this research was to examine the cause-and-effect link between cathepsins and the susceptibility to depression through the application of Mendelian randomization (MR) techniques.

Methods: Univariate MR, bidirectional MR, and multivariable MR were employed to study this causal relationship. Additionally, horizontal pleiotropy, heterogeneity, and sensitivity assessments were performed on the results obtained from MR.

Results: The univariate MR analysis indicated that elevated levels of cathepsin S increase the risk of depression. Conversely, the reverse MR analysis showed no causal relationship between depression, serving as an exposure dataset, and nine types of cathepsins. The multivariable MR analysis, based on nine types of cathepsins, revealed that increased expression levels of cathepsin S and F are associated with an increased risk of depression.

Conclusion: A positive causal relationship has been identified between cathepsin S and cathepsin F and the risk of depression. Consequently, individuals exhibiting elevated levels of cathepsin S and F should be vigilant regarding their mental health to mitigate the potential risk of developing depression in the future. Key message What is already known on this topic Depression is a prevalent psychological disorder involving complex pathogenesis mechanisms. Cathepsins may play a significant role in the pathogenesis of depression, yet the exact impact of cathepsins on the risk of developing depression remains unclear. What this study adds This study presents the inaugural univariate and multivariate Mendelian randomization analysis examining the association between cathepsins and depression, identifying a positive causal relationship between cathepsins S and F and the risk of developing depression. How this study might affect research, practice, or policy Individuals exhibiting elevated levels of cathepsin S and F should prioritize monitoring their mental health to mitigate the potential risk of developing depression in the future.

目的:抑郁症是一种常见的心理障碍,其发病机制复杂。组织蛋白酶可能在抑郁症的发病机制中发挥重要作用,但组织蛋白酶对抑郁症发病风险的确切影响尚不清楚。本研究的目的是通过应用孟德尔随机化(MR)技术来检验组织蛋白酶与抑郁症易感性之间的因果关系。方法:采用单变量磁共振、双向磁共振和多变量磁共振来研究这一因果关系。此外,对MR结果进行了水平多效性、异质性和敏感性评估。结果:单变量MR分析表明,组织蛋白酶S水平升高会增加抑郁症的风险。相反,反向核磁共振分析显示,作为暴露数据集的抑郁症与九种组织蛋白酶之间没有因果关系。基于9种组织蛋白酶的多变量磁共振分析显示,组织蛋白酶S和F表达水平的增加与抑郁症风险的增加有关。结论:组织蛋白酶S和组织蛋白酶F与抑郁风险呈正相关。因此,组织蛋白酶S和F水平升高的个体应该对自己的心理健康保持警惕,以减轻未来患抑郁症的潜在风险。抑郁症是一种普遍存在的心理障碍,涉及复杂的发病机制。组织蛋白酶可能在抑郁症的发病机制中发挥重要作用,但组织蛋白酶对抑郁症发病风险的确切影响尚不清楚。本研究首次提出了单变量和多变量孟德尔随机化分析,研究了组织蛋白酶和抑郁症之间的关系,确定了组织蛋白酶S和F与患抑郁症风险之间的正因果关系。组织蛋白酶S和F水平升高的个体应该优先监测他们的心理健康,以减轻未来患抑郁症的潜在风险。
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引用次数: 0
A retrospective study on Mohs micrographic surgery combined with adjuvant radiotherapy in the treatment of extramammary Paget's disease: analysis of 87 patients. Mohs显微摄影手术联合辅助放疗治疗乳腺外Paget病87例回顾性研究
IF 2.7 4区 医学 Q1 MEDICINE, GENERAL & INTERNAL Pub Date : 2026-02-13 DOI: 10.1093/postmj/qgaf109
Min Zhang, Xianshu Gao, Tianjing Gao, Hang Li, Xueqing Sheng, Mengmeng Su, Chenghao Jia

Purpose: This retrospective study assessed the effectiveness of Mohs micrographic surgery (MMS) combined with adjuvant radiotherapy for the treatment of extramammary Paget's disease (EMPD).

Methods: This retrospective study included 87 patients with pathologically confirmed EMPD and complete follow-up data who were treated at the Radiation Therapy Department of Peking University First Hospital between January 2012 and December 2021. The surgical approach for the primary lesion involved MMS, followed by postoperative radiotherapy with doses ranging from 50 to 60 Gy administered over 25-30 fractions. Lymph node dissection was performed on selected patients exhibiting clinical lymphatic metastasis. The primary endpoint of this study was the disease-specific survival (DSS) rate, while secondary endpoints included local recurrence-free survival (LRFS). Survival rates were calculated using the Kaplan-Meier method and statistically analyzed using the log-rank test.

Results: The study population comprised 78 men and 9 women. The median age was 65 years (range: 44-84). The median follow-up period was 71 months (range: 5-139). The 1-, 3-, 5-, and 10-year DSS rates were 99%, 95%, 92%, and 92%, respectively. The LRFS rates at 1, 3, 5, and 10 years were 100%, 100%, 97%, and 94%, respectively. The LNM rates at 1, 3, 5, and 10 years were 1.1%, 2.3%, 5.7%, and 5.7%, respectively. The DM rates at 1, 3, 5, and 10 years were 1.1%, 5.7%, 8.0%, and 9.2%, respectively.

Conclusion: The combination of MMS and adjuvant radiotherapy offers excellent local control in the treatment of extramammary Paget's disease. Key messages What is already known on this topic: Surgical excision is the established primary treatment for extramammary Paget's Disease (EMPD). However, the role of adjuvant radiotherapy in improving outcomes was not definitively established. What this study adds: This study provides robust evidence that adjuvant radiotherapy combined with surgical excision significantly improves local disease control rates in EMPD compared to surgery alone. How this study might affect practice: These findings strongly support the integration of adjuvant radiotherapy into the standard management paradigm for EMPD, particularly for cases with risk factors for local recurrence.

目的:回顾性研究Mohs显微摄影手术(MMS)联合辅助放疗治疗乳腺外Paget病(EMPD)的疗效。方法:回顾性研究2012年1月至2021年12月在北京大学第一医院放射治疗科接受治疗的87例经病理证实的EMPD患者,随访资料完整。原发性病变的手术方法涉及MMS,随后进行术后放疗,剂量从50到60 Gy不等,分25-30次给予。对有临床淋巴结转移的患者进行淋巴结清扫。该研究的主要终点是疾病特异性生存(DSS)率,次要终点包括局部无复发生存(LRFS)。生存率采用Kaplan-Meier法计算,采用log-rank检验进行统计学分析。结果:研究人群包括78名男性和9名女性。中位年龄为65岁(范围:44-84岁)。中位随访期为71个月(范围:5-139)。1年、3年、5年和10年DSS分别为99%、95%、92%和92%。1年、3年、5年和10年的LRFS分别为100%、100%、97%和94%。1年、3年、5年和10年的LNM率分别为1.1%、2.3%、5.7%和5.7%。1年、3年、5年和10年DM患病率分别为1.1%、5.7%、8.0%和9.2%。结论:MMS联合辅助放疗治疗乳腺外Paget病具有良好的局部控制性。关于该主题的已知信息:手术切除是乳腺外佩吉特病(EMPD)的既定主要治疗方法。然而,辅助放疗在改善预后方面的作用尚未明确确立。本研究补充:本研究提供了强有力的证据,与单纯手术相比,辅助放疗联合手术切除可显著提高EMPD的局部疾病控制率。这项研究如何影响实践:这些发现强烈支持将辅助放疗纳入EMPD的标准管理范例,特别是对于有局部复发危险因素的病例。
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引用次数: 0
Economic and environmental impact of reducing unnecessary coagulation screen testing on an acute medical unit: a quality improvement project. 减少不必要的凝血筛检对急症医疗单位的经济和环境影响:一个质量改进项目。
IF 2.7 4区 医学 Q1 MEDICINE, GENERAL & INTERNAL Pub Date : 2026-02-11 DOI: 10.1093/postmj/qgag014
Magda Nasher, Natalie Beveridge, Stacy Burrows, Nicola Jones, Sri Gurumurthi, Aarush Sajjad, Sweekriti Gurung, Bethany Griffiths, Wai Wong, Ragit Varia

Background: Inappropriate coagulation testing contributes to inefficiency, cost, and environmental harm. Baseline audits on our acute medical unit (AMU) showed that one-third of coagulation screen requests lacked a clear clinical indication.

Aim: To reduce unnecessary coagulation screens on acute medical services [AMU and Medical Same Day Emergency Care (mSDEC)] by 90% within 12 months, aligned with National Health Service (NHS) Net Zero ambitions and our Trust's Green Plan.

Methods: Using the Model for Improvement, we conducted three Plan-Do-Study-Act cycles. Our analogue and digital interventions included revised triage order sets, condition-specific electronic order sets, and a digital decision prompt requiring clinicians to confirm test indication. Data were collected at baseline (January-February 2024) and re-audited after interventions (December 2024). Outcome measures were the proportion of inappropriate tests, cost savings, staff time, and carbon reduction.

Results: At baseline, 34%-39% of coagulation screens were inappropriate across AMU areas. Postintervention, inappropriate testing reduced to 20% in mSDEC, 10% in AMU 1B, and 15% in AMU 1C. This equates to a projected annual reduction of 44 000 tests, saving £130 000, 367 staff hours, and 3.6 tonnes CO₂e (equivalent to a 9000-mile car journey). Laboratory workload and plastic waste also fell substantially.

Conclusion: Embedding decision prompts within electronic order systems achieved rapid, sustained reductions in unnecessary testing. This scalable, low-cost intervention aligns clinical practice with sustainability goals and offers a model for reducing unwarranted diagnostics across the NHS. In the face of the climate crisis, aligning practice with environmental goals is both a professional responsibility and an opportunity to improve care, efficiency, and outcomes. Key messages What is already known on this topic  Inappropriate coagulation testing is common across NHS acute care, with studies showing over one-third of tests lack a clinical indication.Excess diagnostic testing contributes to financial costs, staff workload, plastic waste, and carbon emissions.Previous quality improvement initiatives have focused mainly on education or guideline dissemination, with variable success. What this study adds  Embedding a simple digital decision prompt into electronic order sets significantly reduced inappropriate coagulation screens across an Acute Medical Unit.The intervention was low-cost, rapidly implemented, and co-designed with frontline clinicians to improve uptake and sustainability.Projected impact includes avoidance of 44 000 tests annually, saving ~£130 000, 367 staff hours, and 3.6 tonnes CO₂e, supporting NHS Net Zero targets.This scalable model demonstrates how small digital changes can drive large improvements in clinical quality, efficiency, and sustainability.

背景:不适当的凝血检测导致低效率、高成本和环境危害。我们的急性医疗单位(AMU)的基线审计显示,三分之一的凝血筛查要求缺乏明确的临床指征。目标:在12个月内减少急性医疗服务[AMU和医疗当日紧急护理(mSDEC)]中不必要的凝血筛查90%,与国家卫生服务(NHS)净零目标和我们信托的绿色计划保持一致。方法:使用改进模型,我们进行了三个计划-执行-研究-行动循环。我们的模拟和数字干预措施包括修订的分诊命令集,特定条件的电子命令集,以及要求临床医生确认测试指征的数字决策提示。数据在基线(2024年1月至2月)收集,并在干预后(2024年12月)重新审计。结果衡量指标是不适当检测的比例、成本节约、工作人员时间和碳减排。结果:在基线时,34%-39%的凝血筛查不适合跨AMU区域。干预后,不适当的检测在mSDEC中减少到20%,在AMU 1B中减少到10%,在AMU 1C中减少到15%。这相当于预计每年减少4.4万次测试,节省13万英镑,367个工作小时,减少3.6吨二氧化碳排放(相当于9000英里的汽车旅程)。实验室的工作量和塑料废物也大幅减少。结论:在电子订单系统中嵌入决策提示可以快速、持续地减少不必要的测试。这种可扩展的、低成本的干预措施使临床实践与可持续性目标保持一致,并为减少NHS的无根据诊断提供了一种模式。面对气候危机,将实践与环境目标相结合既是一种职业责任,也是改善护理、效率和成果的机会。不适当的凝血检测在NHS急性护理中很常见,研究表明超过三分之一的检测缺乏临床指征。过多的诊断检测会增加财务成本、工作人员工作量、塑料废物和碳排放。以前的质量改进计划主要集中在教育或指南的传播上,取得了不同程度的成功。在电子订单中嵌入一个简单的数字决策提示,大大减少了急性医疗单位不适当的凝血筛查。该干预措施成本低,实施迅速,并与一线临床医生共同设计,以提高吸收和可持续性。预计影响包括每年避免4.4万次检测,节省约13万英镑,367个工作小时,减少3.6吨二氧化碳排放,支持NHS净零目标。这个可扩展的模型展示了微小的数字变化如何推动临床质量、效率和可持续性的巨大改善。
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Postgraduate Medical Journal
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