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Bowel function and quality of life after minimally invasive colectomy with d3 lymphadenectomy for right-sided colon adenocarcinoma

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World Journal of Gastroenterology 2020年第33期26卷 4972-4982页

作者： Ki-Myung Lee Se-Jin Baek Jung-Myun Kwak Jin Kim Seon-Hahn Kim department of Surgery Korea University College of MedicineSeoul 02841South Korea

BACKGROUNd Changes in bowel function after right-sided colectomy are not well understood compared to those associated with left-sided colectomy or rectal resection.In particular,there are concerns about bowel function after right-sided colectomy with complete mesocolic excision,which has become popular in the West.AIM To evaluate the functional outcomes of patients who underwent right-sided colectomy with d3 lymphadenectomy for colon cancer.METHOdS Functional data from patients who underwent minimally invasive right-sided colectomy for colon cancer from October 2017 to September 2018 were prospectively collected.Functional outcomes were evaluated preoperatively and at 3,6,12,and 18 mo postoperatively.RESULTS Prior to surgery,57 patients answered the questionnaire,and 47 responded at three months,52 at 6 mo,52 at 12 mo,and 25 at 18 mo postoperatively.Most scales of quality of life and bowel function improved significantly over time.Urgency persisted to a high degree throughout the period without a significant change over time.The use of medications for defecation was about 10%over the entire period.Gas(P=0.023)and fecal frequency(Pd,and bowel dysfunction group(P=0.028)was more common among patients taking medication.At six months,resected bowel and colon lengths were significantly different as a risk factor between the dysfunction group and the no dysfunction group[odd ratio(OR):1.095,P=0.026;OR:1.147,P=0.031,respectively]in univariate analysis,but not in multivariate analysis.CONCLUSION despite d3 lymphadenectomy,most bowel symptoms improved over time after right-sided colectomy using a minimally invasive approach,and continuous medication was needed in only approximately 10%of patients.

关键词： Colonic neoplasm Right colectomy Bowel function d3 lymphadenectomy Complete mesocolic excision Quality of life

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Laparoscopic vs open complete mesocolic excision with central vascular ligation for colon cancer: A systematic review and meta-analysis

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World Journal of Gastrointestinal Oncology 2017年第12期9卷 475-491页

作者： Ionut Negoi Sorin Hostiuc Ruxandra Irina Negoi Mircea Beuran department of General Surgery Emergency Hospital of Bucharest Carol Davila University of Medicine and Pharmacy Bucharest National Institute of Legal Medicine Mina Minovici Carol Davila University of Medicine and Pharmacy Bucharest department of Anatomy Carol Davila University of Medicine and Pharmacy Bucharest Emergency Hospital of Bucharest Carol Davila University of Medicine and Pharmacy Bucharest

AIM To compare the effectiveness of laparoscopic complete mesocolic excision(CME) with central vascular ligation(L-CME) with its open(O-CME) counterpart. METHOdS We conducted an electronic search of the Pub Med/MEdLINE, Excerpta Medica database, Web of Science Core Collection, Cochrane Center Register of Controlled Trails, Cochrane database of Systematic Reviews, Sci ELO, and Korean Journal databases from their inception until May 2017. We considered randomized controlled trials(RCTs) and controlled clinical trials(CCTs) that included patients with colonic cancer comparing L-CME and O-CME. Primary outcomes included the quality of the resected specimen(lymph nodes retrieved, complete mesocolic plane excision, tumor to arterial high tie, resected mesocolon surface). Secondary outcomes included the three-year and five-year overall and disease-free survival rates, recurrence of the disease, surgical data, and postoperative morbidity and mortality. Two authors of the review screened the methodological quality of the eligible trials and independently extracted data from individualstudies.RESULTS A total of one RCT and eleven CCTs(four from Europe and seven from Asia) met the inclusion criteria for the current meta-analysis. These studies involved 1619 patients in L-CME and 1477 patients in O-CME. The L-CME was associated with the same quality of the resected specimen, with no differences regarding the retrieved lymphnodes(Md =-1.06, 95%CI:-3.65 to 1.53, P = 0.42), and tumor to high tie distance(Md = 14.26 cm, 95%CI:-4.30 to 32.82, P = 0.13); the surface of the resected mesocolon was higher in the L-CME group(Md = 11.75 cm2, 95%CI: 9.50 to 13.99, P d with a lower rate of blood transfusions(OR = 0.45, 95%CI: 0.27 to 0.75, P = 0.002), faster recovery of gastrointestinal function, and less postoperative overall complication rate. The L-CME approach was associated with a statistical significant better three-year overall(OR = 2.02, 95%CI: 1.31 to 3.12, P = 0.001, I2 = 28%) and disease-free(OR

关键词：结肠癌完成 mesocolic 切除 d3 lymphadenectomy 中央脉管的结扎

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Recent trends from the results of clinical trials on gastric cancer surgery

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Cancer Communications 2019年第1期39卷 106-112页

作者： Takashi Kiyokawa Takeo Fukagawa department of Surgery Teikyo University School of Medicine2-11-1 KagaItabashi-KuTokyo 173-8606Japan

The Japan Clinical Oncology Group has recently conducted large scale clinical trials with findings that have revealed pivotal strategies for the treatment of resectable gastric cancer surgery.These findings include the fact that d3 lymphadenectomy does not improve survival rates when compared to d2 lymphadenectomy,and it is not recommended for resectable gastric cancer.Also,a transhiatal approach is recommended,instead of the left thoraco-abdominal approach,for the treatment of adenocarcinoma of the esophago-gastric junction or gastric cardia which has invaded≤3 cm of the esophagus.Gastrectomy with splenectomy and bursectomy had been recommended as a part of the d2 lymphadenectomy.However,the results of the recent clinical trials revealed that splenectomy should be avoided in total gastrectomy with d2 lymphadenectomy for proximal gastric cancer and that bursectomy should be avoided in gastrectomy with d2 lymphadenectomy for resectable gastric cancer.Both splenectomy and bursec-tomy were found to be unable to improve survival,but instead increased operative morbidity.These trials revealed that the above-mentioned invasive and aggressive procedures did not provide sufficient survival benefits and that gastric cancer surgery may be trending from an“invasive to less invasive”and“aggressive to more conservative”approach.

关键词： Gastric cancer Japanese Gastric Cancer Association Randomized clinical trials Para-aortic lymph nodes d2 lymphadenectomy d3 lymphadenectomy Left thoraco-abdominal approach Hiatal approach Splenectomy Bursectomy

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