Unmasking lower gastrointestinal bleeding under administration of norepinephrine

作     者：David John Werner Nicolai Wenzel Nael Abusalim Ralf Kiesslich Till Baar Achim Tresch Johannes Wilhelm Rey 

作者机构：Department of RadiologyHelios Dr.Horst-Schmidt-ClinicWiesbaden 65199HessenGermany Radiologie Rhein-NaheKrankenhaus St.MarienwörthBad Kreuznach 55543Rheinland-PfalzGermany Department of Diagnostic and Interventional RadiologyMedical Center HanauHanau 63450HessenGermany Department of Internal Medicine IIHelios Dr.Horst-Schmidt-ClinicWiesbaden 65199HessenGermany Institute for Medical Statistics and Computational BiologyFaculty of MedicineUniversity of CologneCologne 50923Nordrhein-WestfalenGermany Department of Gastroenterology and EndoscopyMedical Center OsnabrueckOsnabrueck 49076NiedersachsenGermany 

出 版 物：《World Journal of Radiology》 (世界放射学杂志（英文版）（电子版）)

年 卷 期：2022年第14卷第12期

页      面：375-383页

学科分类：1002[医学-临床医学] 100201[医学-内科学(含：心血管病、血液病、呼吸系病、消化系病、内分泌与代谢病、肾病、风湿病、传染病)] 10[医学] 

主　　题：Lower gastrointestinal bleeding Endoscopy Provocative angiography Norepinephrine Radiology Gastrointestinal bleeding 

摘      要：BACKGROUND Bleeding in the gastrointestinal tract is common and transarterial embolization enables the clinician to control gastrointestinal *** extravasation is a prerequisite for successful *** angiography is helpful in the detection of elusive *** We performed a retrospective analysis of angiographic treatment in patients with lower gastrointestinal hemorrhage and initially negative angiographies,as well as the role of norepinephrine(NE)in unmasking *** We analyzed 41 patients with lower gastrointestinal bleeding after angiography who had undergone treatment over a period of 10 *** patients had a positive shock index and needed intensive *** In three of four patients,angiography disclosed the site of bleeding when NE was used during the procedure for hemodynamic *** We suggest that angiography performed after the administration of NE in unstable patients with gastrointestinal bleeding and an initially negative angiography has the potential to unmask bleeding sites for successful ***,this statement must be confirmed in prospective studies.