Muhammad Asif Noor, Faisal Hanif, Osama Shakeel, Hassaan Bari.
Pancreaticogastrostomy: a Safe Option in Pancreaticoduodenectomy for Pancreatic Head and Periampullary Neoplasms..
J Coll Physicians Surg Pak Jan ;30(1):51-6.

To determine the safety of pancreaticogastrostomy in pancreaticoduodenectomy in patients with periampullary and pancreatic head neoplasms in terms of surgical technique, pancreatic fistula rate, 30 days mortality and three years survival. Cohort study. Shaukat Khanum Memorial Cancer Hospital and Research Centre, Lahore, Pakistan, from October 2014 to September 2017. Patients undergoing pancreaticoduodenectomy for pancreatic head and periampullary tumors were included. Patients having metastatic disease or involvement of celiac artery, hepatic artery or superior mesenteric artery on preoperative scans, complete encasement of portal vein and superior mesenteric vein (SMV) were excluded. Patients' characteristics including the demographics, surgical technique, postoperative pancreatic fistula, 30 days mortality and three years survival were recorded. Mean ± standard deviation was used for continuous variables while frequencies and percentages were used for categorical variables. Kaplan-Meier method was used to estimate survival as a function of time, and survival differences were analysed by either Log-Rank test or Tarone-Ware test. Statistical significance was defined as a two-tailed p-value 0.05. One hundred and one patients underwent pancreaticoduodenectomy. Fifty-eight (57.4%) were males and 43 (42.4%) were females (n=43). Mean age was 51.5 ±14.17 years. The commonly found tumor was periampullary adenocarcinoma which was present in 49.5% (n=50) patients followed by pancreatic head adenocarcinoma which was present in 32.7% (n=33) patients and 17.8% (n=18) patients had other tumors. Most common pathological T-stage was T3 present in 47.5% (n=48) patients, followed by T2 found in 36.6% (n=37) patients and T1 stage was present in 15.8% (n=16) patients. 57.4% (n=58) patients had node positive disease. Pancreaticogastrostomy was done in 87.13% (n=88) patients, while pancreaticojejunostomy was done in 12.87% (n=13) patients. Recurrent disease was noticed in 11.9% (n=12) patients. Mean survival of pancreatic head adenocarcinoma was 787.04 ±81.89 days, which was comparatively less than periampullary adenocarcinoma, i.e. 983.10 ±52.27 days (p=0.08). Overall mean survival was 924 ±41.3 days. Patients with periampullary tumors had a better outcome than pancreatic head tumors in this series. Pancreaticogastrostomy can be a safe alternative to pancreaticojejunostomy, especially in patients having non-dilated pancreatic duct and soft pancreas.

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