Prediction of Postoperative Major Complications in Pancreaticoduodenectomy -a Prospective Comparative Analysis of Braga and WHipple-ABACUS Scores.

Background Major complications following pancreaticoduodenectomy have a severely deleterious effect on postoperative course, rather than just occurrence of pancreatic fistula. Surgical risk stratification with Braga and WHipple-ABACUS have been proposed and validated. Objective The study aimed at comparing the Braga and WHipple-ABACUS scores for prediction of major complications following pancreaticoduodenectomies. Method This was a prospective observational study at the Tribhuvan University Teaching Hospital from February 2018 to April 2019. After ethical approval, all consecutive 41 patients who underwent pancreaticoduodenectomies were included. Each patient was graded in Braga and WHipple-ABACUS scores. Perioperative events occurring over 30 days were graded as per Clavien -Dindo complications for pancreatic surgery. The predictive value of the scores were assessed using a receiver operating characteristic curve analysis. The categorical data were compared using the Pearson χ2 test or Fisher's exact test. Result Over period of 14 months, total of 41 patients (M:F=2.15:1) with median age of 58 years (range, 21-86) underwent pancreatoduodenectomy. The mean scores were Braga (4.6±3.1) and WHipple-ABACUS (1.8±1.6). Major complications over 30 days were developed in 11 patients with five mortality. There were significant differences in mean values of Braga score (7.0±3.4 vs 3.7±2.6, p-value=0.02) and WHippleABACUS score (3.2±1.8 vs 1.3±1.3, p-value=0.01) in patients with major complications to those without respectively. The area under curves for Braga and WHipple-ABACUS scores were 0.800 and 0.779 respectively. Conclusion Both WHipple-ABACUS and Braga scores are easy to calculate and predict the development of major complications significantly in patients undergoing pancreatoduodenectomy.

Successful medical management of acute mesenteric ischemia due to superior mesenteric and portal vein thrombosis in a 27-year-old man with protein S deficiency: a case report.

BACKGROUND: Acute mesenteric ischemia poses a diagnostic challenge due to nonspecific clinical clues and lack of awareness owing to its rarity. Ischemia due to mesenteric venous thrombosis has a good prognosis compared to arterial cause and can be managed conservatively with early diagnosis. The portomesenteric venous system is an unusual site of thrombosis in patients with protein S deficiency, and its thrombosis is an uncommon cause of acute mesenteric ischemia. CASE PRESENTATION: We present a case of a 27-year-old Mongolian man who presented with acute abdominal pain increasing in severity, and refractory to repeated attempts at treatment with a misdiagnosis of acute peptic ulcer disease. Contrast-enhanced computed tomography of his abdomen detected complete occlusion of the superior mesenteric vein, an extension of acute thrombus into the portal vein, and ischemic mid-jejunal loops. Early diagnosis and immediate anticoagulation with continuous intravenous infusion of unfractionated heparin prevented subsequent consequences. On further workup, our patient was diagnosed with isolated protein S deficiency. We started lifelong thromboprophylaxis with warfarin to prevent recurrence and our patient was asymptomatic on the latest follow-up 5 months after discharge. CONCLUSION: Despite accurate detection of acute mesenteric ischemia by contrast-enhanced computed tomography, high index of suspicion is indispensable for its early diagnosis. Early diagnosis and immediate anticoagulation will prevent subsequent complications and need for surgical intervention. Young patients without known risk factors presenting with venous thrombosis in atypical sites should be investigated for prothrombotic diseases.