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Outcomes of Open Versus Minimally Invasive Ivor-Lewis Esophagectomy for Cancer: A Propensity-Score Matched Analysis of NSQIP Database

Samer A. Naffouje MD, Rony H. Salloum MD, Zaynab Khalaf BS, George I. Salti MD FACS
Health Services Research and Global Oncology
Volume 26, Issue 7 / July , 2019

Abstract

Introduction

We conducted this analysis to compare the outcomes of open transthoracic esophagectomy (OTTE) and minimally invasive transthoracic esophagectomy (MITTE) when performed for oncologic indications.

Methods

The NSQIP esophagectomy-targeted database during 2-year period was used. Only patients who underwent elective TTE for oncologic indications were included. Patients were matched per a propensity score for the likelihood of receiving OTTE versus MITTE.

Results

Overall, 2098 esophagectomies were reported; 576 met the inclusion criteria. A total of 161 purely OTTE patients were matched 1:1 with patients who received purely MITTE. OTTE was associated with higher reported rates of abdominal and mediastinal lymphadenectomies (LAD) (26.7% vs. 3.1% and 38.5% vs. 16.1%, respectively; p < 0.001) and had shorter mean operative time (329 vs. 414 min; p < 0.001). However, OTTE patients had higher rates of wound infection (7.5% vs. 1.9%), longer median hospitalization (10 vs. 8 days), more non-home discharges (18.0 vs. 8.1%), and a tendency toward higher rates of postoperative transfusion (13.0% vs. 6.8%; p = 0.092). The overall complications rate was higher in OTTE (46.0% vs. 33.5%; p = 0.028). No difference was noted in the rates of anastomotic leak, negative margins, reoperation, readmission, or mortality. Laparoscopic versus robotic approaches were uniformly comparable, except for higher rates of reported abdominal LAD in laparoscopic and higher rates of reported mediastinal LAD in robotic approach.

Conclusions

MITTE is comparable to OTTE for oncologic indications in immediate postoperative outcomes. A concern is raised regarding the oncologic outcome given the lower reported rates of lymphadenectomies. Comparison of long-term outcomes is essential to address this concern.

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