Document Detail


Vagus nerve preservation selectively restores visceral fat volume in patients with early gastric cancer who underwent gastrectomy.
MedLine Citation:
PMID:  21035138     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Body weight loss is a well-known complication after gastrectomy, and is mainly due to reduced fat volume. The effect of vagotomy on the postoperative fat volume was investigated in patients with early stage gastric cancer who underwent gastrectomy.
METHODS: Subcutaneous fat area (SFA) and visceral fat area (VFA) were separately measured in a computed tomographic (CT) image at the level of the umbilicus using Fat Scan software. The changes in these two fat areas were determined by comparing CT images taken before and more than 6 mo after gastrectomy, and the ratio of postoperative to preoperative fat area was calculated in 77 patients.
RESULTS: VFA was reduced significantly greater after total gastrectomy (TG) than distal gastrectomy (DG) (P = 0.0003). In 63 patients who underwent DG, the reduction in VFA, but not in SFA, was significantly less in vagus nerve-preserved than in vagus nerve-nonpreserved cases (59.0% ± 24.2% versus 74.9% ± 28.2%, P = 0.027). If compared in each case, VFA showed a significantly greater decrease than did SFA in vagus-nonpreserving, but not in vagus-preserving, gastrectomy (68.2% ± 37.0% versus 52.7% ± 25.2%, P < 0.0001; 76.3% ± 30.0% versus 74.9% ± 28.2%, P = 0.79).
CONCLUSIONS: The vagus nerve has a function to locally regulate the amount of intra-abdominal fat tissue, and selective vagotomy in gastrectomy results in a preferential reduction of visceral fat in gastrectomy. Surgical denervation of vagus may be reconsidered as a reasonable treatment for excessive obesity.
Authors:
Hideyo Miyato; Joji Kitayama; Akio Hidemura; Hironori Ishigami; Shoichi Kaisaki; Hirokazu Nagawa
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-09-22
Journal Detail:
Title:  The Journal of surgical research     Volume:  173     ISSN:  1095-8673     ISO Abbreviation:  J. Surg. Res.     Publication Date:  2012 Mar 
Date Detail:
Created Date:  2012-02-13     Completed Date:  2012-04-30     Revised Date:  2012-05-02    
Medline Journal Info:
Nlm Unique ID:  0376340     Medline TA:  J Surg Res     Country:  United States    
Other Details:
Languages:  eng     Pagination:  60-7     Citation Subset:  IM    
Copyright Information:
Copyright © 2012. Published by Elsevier Inc.
Affiliation:
Department of Surgery, Division of Surgical Oncology, University of Tokyo, Tokyo, Japan.
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MeSH Terms
Descriptor/Qualifier:
Adult
Aged
Body Weight / physiology
Female
Gastrectomy / methods*
Humans
Intra-Abdominal Fat / physiology*,  radiography
Male
Middle Aged
Neoplasm Staging
Nutritional Status
Postoperative Period
Retrospective Studies
Stomach Neoplasms / pathology,  surgery*
Subcutaneous Fat / physiology,  radiography
Tomography, X-Ray Computed
Vagotomy
Vagus Nerve / physiology*,  surgery*
Comments/Corrections
Comment In:
J Surg Res. 2012 May 1;174(1):85-7   [PMID:  21435656 ]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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