Document Detail

The body mass index and level of resection: predictive factors for compensatory sweating after sympathectomy.
MedLine Citation:
PMID:  15834768     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: Compensatory sweating (CS) is the most common adverse event and the main cause of dissatisfaction among patients undergoing a VATS sympathectomy for the treatment of primary hyperhidrosis. It has been described that obese individuals experience more sweating than thinner ones. The aim of this study is to identify the Body Mass Index (BMI) and the level of resection as predictive factors for CS and its relation to levels of patient satisfaction following the procedure. METHODS: From October 1998 to June 2003, 102 patients undergoing VATS sympathectomies (51 for palmar hyperhidrosis, PH, and 51 for axillary hyperhidrosis, AH) were prospectively surveyed. They were divided into three groups according to their BMI: Group I was composed of 19 patients with BMI<20 (9 patients with PH and 10 with AH); Group II was composed of 52 patients with 20 < or =BMI<25 (25 with PH and 27 with AH); and Group III was composed of 31 patients with BMI > or =25 (17 with PH and 14 with AH). Each procedure was simultaneously and bilaterally performed under general anesthesia using two 5.5 mm trocars and a 30 degrees optic system. RESULTS: Patients treated for PH (resection of T2-T3) had more severe CS than those with AH (resection of T3-T4) (p=0.007) and the greater the BMI, the greater the severity of the CS (p<0.001). No statistically significant difference was found between the BMI bands in relation to the degree of satisfaction (p=0.644), nor when we compared the degree of satisfaction to the degree of CS (p=0.316). CONCLUSIONS: The greater the BMI, the more severe the CS, but this did not correlate with the patients' level of satisfaction. Avoiding the resection of T2 sympathetic ganglia is also important in reducing the intensity of CS.
José Ribas Milanez de Campos; Nelson Wolosker; Flavio Roberto Takeda; Paulo Kauffman; Sergio Kuzniec; Fábio Biscegli Jatene; Sérgio Almeida de Oliveira
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Publication Detail:
Type:  Clinical Trial; Journal Article    
Journal Detail:
Title:  Clinical autonomic research : official journal of the Clinical Autonomic Research Society     Volume:  15     ISSN:  0959-9851     ISO Abbreviation:  Clin. Auton. Res.     Publication Date:  2005 Apr 
Date Detail:
Created Date:  2005-04-18     Completed Date:  2005-07-27     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  9106549     Medline TA:  Clin Auton Res     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  116-20     Citation Subset:  IM    
Dept. of Thoracic Surgery, Hospital das Clínicas Heart Institute-Incor University of São Paulo Medical School, São Paulo, Brazil.
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MeSH Terms
Body Mass Index*
Ganglia, Autonomic / surgery
Hyperhidrosis / surgery*
Middle Aged
Nutritional Physiological Phenomena
Patient Satisfaction
Predictive Value of Tests
Prospective Studies
Sweating / physiology*
Sympathectomy / adverse effects*
Thoracic Surgery, Video-Assisted / adverse effects*

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