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Objective Evaluation of Patients With Palmar Hyperhidrosis Submitted to Two Levels of Sympathectomy: T3 and T4.

2014-07-23 21:08:50 | BioPortfolio

Summary

Compare the results obtained with video-assisted sympathectomy performed in two distinct levels ganglionic (third versus fourth thoracic ganglion) for the treatment of palmar hyperhidrosis, through a blind randomized clinical trial using an objective method to measure the sweat before and after the operation.

Description

Currently, the treatment of choice for treating palmar hyperhidrosis (PH) is video-assisted thoracic sympathectomy (VATS) . This minimally invasive technique has been well standardized and provides adequate results with low morbidity.

The main side effect of VATS is compensatory hyperhidrosis (CH). This is present in most cases and is considered the greatest cause of dissatisfaction. To reduce the risk of CH, various studies have been conducted to compare different levels of ganglion resection. These studies have been based on subjective quantification of sweating (assessment of sweating reported by patients) and on the application of quality-of-life questionnaires.

Recently, tests for the objective evaluation of sweating have been developed to quantify sweating among patients with various diseases, including PH. So far, there have not been any studies comparing the long-term results of thoracic sympathectomy on the third ganglion (G3) versus the fourth ganglion (G4)with objective evaluation to quantify sweating.

The present study was prospective, randomized and blinded, with the objective of comparing the results from VATS at two different resection levels: G3 versus G4. All the patients were followed over a one-year period, and their palmar sweating was quantified using a portable device (VapoMeter) to measure transepidermal water loss (TEWL). In addition, CH was evaluated by applying a specific quality-of-life questionnaire.

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment

Conditions

Hyperhidrosis

Intervention

Video-assisted sympathectomy

Location

Faculty of Medicine - University of São Paulo.
São Paulo
Brazil
05403-010

Status

Completed

Source

University of Sao Paulo

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-07-23T21:08:50-0400

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Medical and Biotech [MESH] Definitions

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Used with articles which include video files or clips, or for articles which are entirely video.

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