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When Eastern Surgeons Meet Western Patients: A Pilot Study of Gastrectomy with Lymphadenectomy in Caucasian Patients at a Single Korean Institute.

ABSTRACT: East Asian surgeons generally report lower morbidity and mortality rates for gastrectomy with D2 lymphadenectomy than do surgeons in Western countries; however, the disparity remains unexplained. The aim of this article was to determine the feasibility and safety regarding cases in which East Asian surgeons perform such procedures in Caucasian patients (CPs). Twelve CPs underwent gastrectomy with lymphadenectomy for gastric cancer at Yonsei University Severance Hospital, Seoul, Korea between June 2011 and April 2014. Procedures performed included total gastrectomy (7 of 12, 58%), distal gastrectomy (4 of 12, 33%), and completion total gastrectomy (1 of 12, 8%). Nine patients (75%) underwent D2 lymphadenectomy, and D1+ lymphadenectomy was performed in three others (25%). In four patients (33%), combined resections were carried out. The median values of surgical parameters were as follows: operative time, 266.5 min (range, 120-586 min); estimated blood loss, 90 mL (range, 37-350 mL); retrieved lymph node count, 37.5 (range, 22-63); and postoperative hospital stay, 13.7 days (range, 5-63 days). No mortality was encountered, although two patients (17%) experienced complications (both Clavien-Dindo classification grade IIIa anastomotic leakages), which were successfully managed by conservative treatment. In the hands of East Asian surgeons, mortality and short-term morbidity appears to be acceptably low in CPs subjected to gastrectomy with lymphadenectomy for gastric cancer.

SUBMITTER: Nakagawa M

PROVIDER: S-EPMC4960401 | biostudies-literature | 2016 Sep

REPOSITORIES: biostudies-literature

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When Eastern Surgeons Meet Western Patients: A Pilot Study of Gastrectomy with Lymphadenectomy in Caucasian Patients at a Single Korean Institute.

Nakagawa Masatoshi M Choi Yoon Young YY An Ji Yeong JY Seo Sang Hyuk SH Shin Hyun Beak HB Bang Hui Jae HJ Li Shuangxi S Kim Hyung Il HI Cheong Jae Ho JH Hyung Woo Jin WJ Noh Sung Hoon SH

Yonsei medical journal 20160901 5

East Asian surgeons generally report lower morbidity and mortality rates for gastrectomy with D2 lymphadenectomy than do surgeons in Western countries; however, the disparity remains unexplained. The aim of this article was to determine the feasibility and safety regarding cases in which East Asian surgeons perform such procedures in Caucasian patients (CPs). Twelve CPs underwent gastrectomy with lymphadenectomy for gastric cancer at Yonsei University Severance Hospital, Seoul, Korea between Jun ...[more]

PMID: 27401666

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Project description:ImportanceFluorescent imaging with indocyanine green can be used to visualize lymphatics. Peritumoral injection of indocyanine green may allow for visualization of every draining lymph node from a primary lesion on near-infrared imaging.ObjectivesTo evaluate the role of fluorescent lymphography using near-infrared imaging as an intraoperative tool for achieving complete lymph node dissection and compare the number of lymph nodes retrieved with the use of near-infrared imaging and the number of lymph nodes retrieved without the use of near-infrared imaging.Design, setting, and participantsThis prospective single-arm study was conducted among 40 patients who underwent robotic gastrectomy between August 30, 2013, and July 21, 2014, at a single-center, tertiary referral teaching hospital. After propensity score matching, the results of these 40 patients were compared with the results of 40 historical control patients who underwent robotic gastrectomy without indocyanine green injection between January 1, 2012, and August 31, 2013. Statistical analysis was performed from January 1, 2015, to July 31, 2016.InterventionsRobotic gastrectomy with systemic lymphadenectomy and retrieval of lymph nodes under near-infrared imaging after peritumoral injection of indocyanine green to the submucosal layer 1 day before surgery.Main outcomes and measuresThe primary outcome was the number of retrieved lymph nodes in each nodal station.ResultsAmong the 40 patients in the study (19 women and 21 men; mean [SD] age, 52.2 [11.7] years), no complications related to indocyanine green injection or near-infrared imaging were observed. On completion of the lymphadenectomy, the absence of fluorescent lymph nodes in the dissected area was confirmed. A mean (SD) total of 23.9 (9.0) fluorescent lymph nodes were recorded among a mean (SD) total of 48.9 (14.6) overall lymph nodes retrieved. The mean number of overall lymph nodes retrieved was larger in the near-infrared group than in the historical controls (48.9 vs 35.2; P < .001), with a significantly greater number of lymph nodes retrieved at stations 2, 6, 7, 8, and 9. In the near-infrared group, 5 patients exhibited lymph node metastases, and all metastatic lymph nodes were fluorescent.Conclusions and relevanceThis study's findings suggest that fluorescent lymphography may be useful intraoperatively for identifying and retrieving all necessary lymph nodes for a complete and thorough lymphadenectomy.

Dataset Information

When Eastern Surgeons Meet Western Patients: A Pilot Study of Gastrectomy with Lymphadenectomy in Caucasian Patients at a Single Korean Institute.

Publications

When Eastern Surgeons Meet Western Patients: A Pilot Study of Gastrectomy with Lymphadenectomy in Caucasian Patients at a Single Korean Institute.

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