Safi Khuri1,2, Subhi Mansour1, Amir Obeid1, Ameer Azzam3, Guiseppe Borzellino4, Yoram Kluger1,2. 1. Department of General Surgery, Rambam Health Care Campus, Haifa, Israel. 2. HPB and Surgical Oncology Unit, Rambam Health Care Campus, Haifa, Israel. 3. Emergency Medicine Department, Rambam Health Care Campus, Haifa, Israel. 4. General Surgery Department, Verona Hospital, Verona, Italy.
Abstract
INTRODUCTION: Of the complications following pancreatoduodenectomy (PD), postpancreatoduodenectomy hemorrhage (PPH) is the least common, but severe forms can be life-threatening without urgent treatment. While early PPH is mostly related to surgical hemostasis, late PPH is more likely due to complex physiopathological pathways secondary to different etiologies. The understanding of such etiologies could therefore be of great interest to help guide the treatment of severe, potentially life-threatening, late PPH cases. OBJECTIVE: The aim of this retrospective study was to assess the causes of PPH as a complication and explore a possible association between the causes and the severity of late PPH. METHODS: A retrospective study was performed at the HPB and Surgical Oncology Unit, Rambam Health Care Campus, Haifa, Israel. The charts of all patients submitted for PD were reviewed, and all patients with PPH were included. The timing, cause, and severity of PPH as well as other information were collected. A statistical analysis on the possible association between cause and severity of late PPH was performed. RESULTS: A total of 347 patients underwent PD, 18 of whom (5.18%) developed PPH. Early PPH was reported in 1 patient (5.6%) with severe bleeding from the gastric staple line. Late PPH was reported in 17 patients (94.4%). The most common causes of late PPH were bleeding from a vascular pseudoaneurysm (PSA) reported in 6 patients, 1 with mild and 5 with severe hemorrhage, and bleeding from a gastroenteric anastomosis marginal ulcer reported in 6 patients, all with mild hemorrhage. No etiology was found in 5 patients with mild hemorrhage. A significant association was found between the severity of late hemorrhage and vascular PSA as the cause of the bleeding (p = 0.001). All PSA bleeding occurred in cases complicated by a postoperative pancreatic fistula (POPF), with a significant statistical association (p < 0.001). CONCLUSIONS: The most common cause of PPH was bleeding from a vascular PSA; the majority of these cases involved severe bleeding with late presentation, and all were associated with a POPF formation. In such cases, early detection by computed tomography angiography is mandatory, thereby promoting urgent treatment by angiography of vascular bleeding complications following PD.
INTRODUCTION: Of the complications following pancreatoduodenectomy (PD), postpancreatoduodenectomy hemorrhage (PPH) is the least common, but severe forms can be life-threatening without urgent treatment. While early PPH is mostly related to surgical hemostasis, late PPH is more likely due to complex physiopathological pathways secondary to different etiologies. The understanding of such etiologies could therefore be of great interest to help guide the treatment of severe, potentially life-threatening, late PPH cases. OBJECTIVE: The aim of this retrospective study was to assess the causes of PPH as a complication and explore a possible association between the causes and the severity of late PPH. METHODS: A retrospective study was performed at the HPB and Surgical Oncology Unit, Rambam Health Care Campus, Haifa, Israel. The charts of all patients submitted for PD were reviewed, and all patients with PPH were included. The timing, cause, and severity of PPH as well as other information were collected. A statistical analysis on the possible association between cause and severity of late PPH was performed. RESULTS: A total of 347 patients underwent PD, 18 of whom (5.18%) developed PPH. Early PPH was reported in 1 patient (5.6%) with severe bleeding from the gastric staple line. Late PPH was reported in 17 patients (94.4%). The most common causes of late PPH were bleeding from a vascular pseudoaneurysm (PSA) reported in 6 patients, 1 with mild and 5 with severe hemorrhage, and bleeding from a gastroenteric anastomosis marginal ulcer reported in 6 patients, all with mild hemorrhage. No etiology was found in 5 patients with mild hemorrhage. A significant association was found between the severity of late hemorrhage and vascular PSA as the cause of the bleeding (p = 0.001). All PSA bleeding occurred in cases complicated by a postoperative pancreatic fistula (POPF), with a significant statistical association (p < 0.001). CONCLUSIONS: The most common cause of PPH was bleeding from a vascular PSA; the majority of these cases involved severe bleeding with late presentation, and all were associated with a POPF formation. In such cases, early detection by computed tomography angiography is mandatory, thereby promoting urgent treatment by angiography of vascular bleeding complications following PD.
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