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Published in: Journal of Gastrointestinal Surgery 3/2021

01-03-2021 | Pancreaticojejunostomy | Original Article

Impact of Neoadjuvant Systemic Therapy on Pancreatic Fistula Rates Following Pancreatectomy: a Population-Based Propensity-Matched Analysis

Authors: Fadi S. Dahdaleh, Samer A. Naffouje, Mark H. Hanna, George I. Salti

Published in: Journal of Gastrointestinal Surgery | Issue 3/2021

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Abstract

Introduction

Postoperative pancreatic fistula (POPF) drives morbidity and mortality following pancreatectomy. Use of neoadjuvant chemotherapy (NAC) has recently increased in the treatment of potentially resectable pancreatic ductal adenocarcinoma (PDAC). This study examined the effect of NAC on POPF rates and postoperative outcomes in PDAC.

Methods

The American College of Surgeons-National Surgical Quality Improvement Program (NSQIP) Targeted Pancreatectomy dataset was queried to identify PDAC patients who underwent curative-intent pancreatectomies. Propensity score matching was used to stratify patients by receipt of NAC. Postoperative outcomes were compared and logistic regression applied to identify POPF predictors.

Results

Six thousand eight hundred sixty-three patients met the inclusion criteria; of those, 1908 (27.8%) received NAC and 4955 (72.2%) did not (NNAC). Two thousand sixty-two patients were matched 1:1 from each group. NAC patients had significantly lower POPF rates (9.0% vs. 14.5%; P < 0.001); the majority were categorized as grade A (5.1% vs. 9.5%). Overall 30-day morbidity was lower with NAC (40.4% vs. 49.5%; P < 0.001). Specifically, pneumonia (2.3% vs. 4.1%), organ space infections (7.9% vs. 13.2%), sepsis (5.2% vs. 8.0%), and delayed gastric emptying (10.1% vs. 14.8%) occurred less frequently in the NAC group. Postoperative mortality and unplanned reoperations were similar. On multivariate analysis, receipt of NAC was an independent predictor of decreased POPF rates (HR, 0.73 [0.56–0.94]; P = 0.016). Other factors included gland texture, duct size, male gender, and lower BMI.

Conclusions

In this propensity-matched, population-based cohort study of PDAC patients, NAC was associated with lower POPF rates and overall major complications. Those findings suggest a modest protective effect of NAC from POPF.
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Literature
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go back to reference Neoptolemos JP, Palmer DH, Ghaneh P, Psarelli EE, Valle JW, Halloran CM et al. Comparison of adjuvant gemcitabine and capecitabine with gemcitabine monotherapy in patients with resected pancreatic cancer (ESPAC-4): a multicentre, open-label, randomised, phase 3 trial. Lancet. 2017;389(10073):1011–24. doi:https://doi.org/10.1016/S0140-6736(16)32409-6.CrossRefPubMed Neoptolemos JP, Palmer DH, Ghaneh P, Psarelli EE, Valle JW, Halloran CM et al. Comparison of adjuvant gemcitabine and capecitabine with gemcitabine monotherapy in patients with resected pancreatic cancer (ESPAC-4): a multicentre, open-label, randomised, phase 3 trial. Lancet. 2017;389(10073):1011–24. doi:https://​doi.​org/​10.​1016/​S0140-6736(16)32409-6.CrossRefPubMed
Metadata
Title
Impact of Neoadjuvant Systemic Therapy on Pancreatic Fistula Rates Following Pancreatectomy: a Population-Based Propensity-Matched Analysis
Authors
Fadi S. Dahdaleh
Samer A. Naffouje
Mark H. Hanna
George I. Salti
Publication date
01-03-2021
Publisher
Springer US
Published in
Journal of Gastrointestinal Surgery / Issue 3/2021
Print ISSN: 1091-255X
Electronic ISSN: 1873-4626
DOI
https://doi.org/10.1007/s11605-020-04581-y

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