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Clinical evaluation of modified invaginated pancreaticojejunostomy for pancreaticoduodenectomy

Wang, D.; Liu, X.; Wu, H.; Liu, K.; Zhou, X.; Liu, J.; Guo, W.; Zhang, Z.

World Journal of Surgical Oncology 18(1): 75

2020


ISSN/ISBN: 1477-7819
PMID: 32295594
DOI: 10.1186/s12957-020-01851-6
Accession: 070024467

Pancreaticoduodenectomy (PD) remains the major curative operation for malignant neoplasm of pancreas or cancerous tumors near the pancreas. Despite advancements in recent years, the postoperative recurrence rate of these neoplasms and tumors remains high. Moreover, overall morbidity remains high due to clinically relevant postoperative pancreatic fistula (POPF). To compare the clinical outcomes of modified invaginated anastomosis and mucosa-to-mucosa anastomosis, this retrospective study included 343 patients who underwent PD from January 2008 to January 2019 at Beijing Friendship Hospital, Capital Medical University. The patients' general conditions and disease status were preoperatively evaluated. The surgical procedure was recorded, and operative management was appropriately performed. Compared with mucosa-to-mucosa anastomosis, modified invaginated anastomosis resulted in a higher intraoperative blood transfusion rate (P < 0.001) and lower hospitalization expenses (P = 0.049). However, no significant differences were found in operation time (P = 0.790), intraoperative bleeding (P = 0.428), postoperative recovery exhaust time (P = 0.442), time to normal flow of food (P = 0.163), and hospitalization time (P = 0.567). Operation time was a risk factor for POPF (odds ratio 1.010; 95% confidence interval 1.003-1.016; P = 0.003). The incidence of pancreatic fistula (grades B and C) was lower in the patients who underwent modified invaginated anastomosis (14.1%) than in those who underwent mucosa-to-mucosa anastomosis (15.3%). The operation time was greater in the POPF group than in the non POPF group among the patients who received modified invaginated anastomosis (P = 0.003) and mucosa-to-mucosa anastomosis (P = 0.002). Modified invaginated pancreaticojejunostomy for PD resulted in a decreased incidence of POPF; it may serve as a new approach for PD while managing patients who have undergone PD.

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