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Feasibility of Pylorus-Preserving Gastrectomy With a Wider Scope of Lymphadenectomy
Donglin Zhang, MD;
Shouji Shimoyama, MD;
Michio Kaminishi, MD
Arch Surg. 1998;133:993-997.
Objective To demonstrate the feasibility and safety of pylorus-preserving gastrectomy (PPG) accompanied by complete suprapyloric and infrapyloric lymph node dissection.
Design Retrospective review.
Setting A university hospital in Japan.
Patients Fifteen patients underwent PPG, and 28 patients underwent conventional distal gastrectomy (CDG) with Billroth I anastomosis. All patients had early gastric cancer, with either limited invasion in the mucosal layer or invasion into the submucosal layer.
Interventions In the PPG procedure, the distal part of the stomach was resected while retaining a 1.5-cm pyloric cuff. The right gastroepiploic artery, the right gastric artery, and hepatic and pyloric branches of the vagus nerve were divided, and the infrapyloric artery was preserved. A modified D1 or D2 lymphadenectomy accompanied the PPG.
Main Outcome Measures Patients undergoing the PPG and CDG procedures were assessed 1 year after their surgical procedure. Changes in body weight, serum total protein levels, and serum albumin levels, the incidence of dumping syndromes, and endoscopic findings in the gastric remnant were compared between the 2 groups.
Results Weight loss was significantly less in the PPG group than in the CDG group (P=.02). The incidences of early dumping syndromes, especially vasomotor symptoms, were significantly lower in the PPG group than in the CDG group (P=.03 and P=.02, respectively). The pyloric sphincter function was preserved, and there was no anastomotic leakage in the PPG group.
Conclusions The PPG procedure with complete D2 lymphadenectomy can be performed safely with a low incidence of major complications and a better postoperative outcome than the CDG procedure. The PPG procedure can be recommended for the treatment of early gastric cancer with broader indications.
From The Third Department of Surgery, University of Tokyo Faculty of Medicine, Tokyo, Japan (Drs Zhang, Shimoyama, and Kaminishi); and the Department of Surgery, First Hospital of Beijing Medical University, Beijing, People's Republic of China (Dr Zhang).
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