Background: Colonoscopic removal of adenomatous polyps or early cancer prevents death from colorectal cancer. Endoscopic submucosal dissection (ESD), which enables endoscopists to perform en bloc resection of flat or depressed colorectal tumors >20 mm, has recently been introduced and become a standard procedure in Japan. Although postoperative bleeding (POB) is a major complication associated with ESD, risk factors for POB have not been fully identified.
Methods: A total of 451 patients (509 lesions) who underwent colorectal ESD were retrospectively analyzed to identify clinical parameters associated with POB.
Results: POB occurred in 14 patients, and 7 of them had received antithrombotic therapy before ESD. Uni- and multivariate analyses revealed that antithrombotic therapy and rectal tumor location were strongly associated with POB following colorectal ESD. The incidence of POB was higher in patients on heparin bridge therapy (HBT) for the replacement of antithrombotic therapy than in patients with no HBT. Four of 7 patients (57.1%) on antithrombotic therapy experienced POB from the rectal lesions.
Conclusion: Antithrombotic therapy and rectal lesions result in a higher POB incidence after colorectal ESD.
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http://dx.doi.org/10.1159/000481228 | DOI Listing |
Chemistry
January 2025
Hefei University of Technology, School of Food and Biological Engineering, Tunxi Road 193, Hefei, CHINA.
Factor XIa (FXIa) is a plasma protease that plays a crucial role in the intrinsic pathway of blood coagulation, making it a promising target for antithrombotic therapy. Circular DNA aptamers, with their dramatically enhanced biological and structural stability, hold great potential as new-generation DNA-based anticoagulants. However, the functional selection and large-scale synthesis of them remains a substantial challenge.
View Article and Find Full Text PDFCardiovasc Intervent Radiol
January 2025
Department of Surgery, Rijnstate Hospital, Arnhem, The Netherlands.
Purpose: To investigate the influence of antithrombotic therapy on occurrence of thrombotic and bleeding complications after endovascular aneurysm repair (EVAR).
Methods: In this retrospective single-center cohort study, patients who underwent elective endovascular aneurysm repair for abdominal aortic aneurysm were categorized into three antithrombotic groups: single antiplatelet therapy (SAPT), anticoagulants, or dual antiplatelet therapy (DAPT). Outcome measures were the incidence of major adverse cardiovascular events (MACE), prosthetic limb occlusions, and bleeding complications during follow-up.
J Interv Card Electrophysiol
January 2025
Heart Center, Department of Cardiology, Amsterdam Cardiovascular Sciences Heart Failure & Arrhythmias, Amsterdam UMC Location University of Amsterdam, Meibergdreef 9, 1105, AZ, Amsterdam, the Netherlands.
Background: Little data exists regarding the optimal antithrombotic strategy during S-ICD implantation to prevent pocket hematomas. This study explores the association between perioperative antithrombotic management and the occurrence of pocket hematoma following S-ICD implantation.
Methods: All patients who underwent de novo S-ICD implantation between February 2009 and January 2023 at Amsterdam UMC were included.
Kaohsiung J Med Sci
January 2025
College of Medicine, Chang Gung University, Taoyuan, Taiwan.
Retinal artery occlusion (RAO) is a critical ophthalmic emergency with a high risk of significant visual impairment. While traditional treatment aims to promptly restore blood flow to the retina, recent research has investigated the potential benefits of anticoagulation therapy for managing this condition. This paper reviews current literature and clinical trials investigating the efficacy and safety of anticoagulant and antiplatelet therapies, such as systemic heparinization and direct oral anticoagulants and aspirin, in treating RAO.
View Article and Find Full Text PDFRadiol Case Rep
March 2025
Neuroradiology department, Hospital of specialities, Ibn Sina university hospital center, Rabat, Morocco.
Bilateral vertebral artery dissections account for only 8% of all vertebral artery dissections and cause just 2% of all ischemic strokes. They can occur spontaneously, even without any triggering factor. Classical clinical findings, such as headache or neck pain, may be absent, particularly in the context of a stroke.
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