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  • Title: Nutritional comparisons between a pylorus-preserving gastrectomy with and without suprapyloric lymph node clearance: a preliminary report.
    Author: Shimoyama S, Imamura K, Hiki N, Shimizu N, Yamaguchi H, Mafune K, Kaminishi M.
    Journal: Hepatogastroenterology; 2007 Dec; 54(80):2401-5. PubMed ID: 18265675.
    Abstract:
    BACKGROUND/AIMS: A pylorus-preserving gastrectomy (PPG) is a procedure for gastric cancer (GC) patients which attempts to control gastric emptying and to minimize postoperative nutritional disadvantages. The persistence of conflicting stances concerning qualifying candidates for PPG--a narrower or wider segment of patients--is attributable to a lack of decisive evidence concerning the precise nutritional impact of suprapyloric lymph node clearance. METHODOLOGY: Forty-eight patients underwent a PPG with (30 patients; dissection group) or without (18 patients; preservation group) suprapyloric lymph node clearance between 2002 and 2004. Patients with mucosal GC located in the middle third of the stomach were assigned to the preservation group and the other early GC patients formed the dissection group. Those who were followed up more than one year postoperatively were selected from the preservation (8 patients) and the dissection (16 patients) groups, and changes in body weight, hemoglobin, total protein, and albumin were compared between the two groups. Baseline clinicopathological characteristics, surgically related events, and supportive medications were also compared between the two groups. RESULTS: Dissection group patients received significantly longer surgery (p < 0.01) and a wider scope of lymphadenectomy (p < 0.0001) than preservation group patients. Other factors including the length of postoperative hospital stay and morbidity rate did not differ between the two groups. Percent changes in body weight, hemoglobin, total protein, and albumin, as well as postoperative profiles of each parameter were similar between the two groups. CONCLUSIONS: These results suggest that suprapyloric lymph node clearance resulted in more traumatic surgery while it did not exacerbate postoperative nutritional status as compared with suprapyloric lymph node preservation. PPG is justifiable for submucosal GC or an even wider segment of patients by suprapyloric lymph node clearance without nullifying the anticipated nutritional benefit.
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