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09.11.2017 | Original Article | Ausgabe 3/2018

Journal of Gastrointestinal Surgery 3/2018

Gastrectomy with Extended Lymphadenectomy: a North American Perspective

Zeitschrift:
Journal of Gastrointestinal Surgery > Ausgabe 3/2018
Autoren:
Alexandre Gosselin-Tardif, Jessica Lie, Ioana Nicolau, Juan Carlos Molina, Jonathan Cools-Lartigue, Liane Feldman, Jonathan Spicer, Carmen Mueller, Lorenzo Ferri
Wichtige Hinweise
The findings of this study were presented at the Society of Surgical Oncology’s 70th Annual Cancer Symposium on March 16, 2017 in Seattle, WA.

Abstract

Purpose

Despite evidence of oncologic benefits from extended (D2) lymphadenectomy in gastric cancer from many East Asian studies, there is persistent debate over its use in the West, mainly due to perceived high rates of morbidity and mortality. This study evaluates the safety and efficacy of D2 dissection in a high-volume North American center.

Methods

A prospectively entered database of all patients undergoing gastrectomy for cancer at a North American referral center from 2005 to 2016 was reviewed. Wedge resections, thoracoabdominal approach, emergency surgery, palliative operations, and non-adenocarcinoma cases were excluded.

Results

Of 366 non-bariatric gastrectomies over this period, 175 met the inclusion criteria. Median age was 73 years and 69% were male. One hundred forty-one patients (80%) underwent D2 dissection, the rest having D1. There was no difference in postoperative complications (D1 = 44%: D2 = 42%), anastomotic leaks (D1 = 6%: D2 = 5%), and same-admission or 30-day mortality (D1 = 6%: D2 = 2%). D2 dissection was associated with higher pathological stage (72% > stage 1 vs 38% > stage 1; p < 0.05) and median lymph node yield (30 vs 14; p < 0.05), with no difference in complete resection (R0) rate (D1 = 98% vs D2 = 92%). Laparoscopic approach was employed in 34% (45/141) of D2 cases, resulting in shorter median length of stay (6 days vs 9; p < 0.05) and equivalent oncologic outcomes compared to open D2.

Conclusion

This study supports the use of D2 lymphadenectomy, by either open or laparoscopic approach, in high-volume North American centers as a safe and effective oncologic procedure for gastric cancer, with equivalent complication rates and superior lymph node yield to traditional D1 dissection.

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