Effect of Acu-Transcutaneous Electrical Nerve Stimulation (TENS) on Post-Exercise Expiratory Flow Rate in Subjects With Asthma

Not Applicable

Completed

• Conditions: Asthma
• Interventions: Device: Transcutaneous electrical nerve stimulation (TENS); Device: placebo

• Registration Number: NCT00824642
• Lead Sponsor: The Hong Kong Polytechnic University

Brief Summary

The objective of this study is to investigate the effectiveness of Acu-TENS (Transcutaneous electrical nerve stimulation applied on acupoints) on the post- exercise expiratory flow rate and exercise performance on the subjects with exercise.

Detailed Description

Not available

Study Timeline

• Study Start: 2005-05
• Primary Completion: 2008-05
• Study Completion: 2008-05
• Status Verified: 2009-01
• Study First Submitted: 2009-01-16
• Study First Submitted QC: 2009-01-16
• Last Update Submitted: 2009-01-16
• Study First Posted: 2009-01-19
• Last Update Posted: 2009-01-19

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 30

Inclusion Criteria

• Clinical diagnosis with asthma attending regular follow up at respiratory clinic

Exclusion Criteria

• Allergic to gel
• Suffered from other neurological or cardiovascular or musculoskeletal disorders that may affect their exercise performance
• Suffered from upper respiratory tract infection prior to the study

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
Group 1	Transcutaneous electrical nerve stimulation (TENS)	Applied Acu-TENS prior to exercise
Group 2	Transcutaneous electrical nerve stimulation (TENS)	Applied Acu-TENS prior to and during exercise
Group 3	placebo	Applied placebo TENS prior to exercise

Primary Outcome Measures

Name	Time	Method
Forced expiratory volume in one second (FEV1) and Forced vital capacity (FVC)	measured before exercise, immediately after exercise and at 20, 40 and 60 minutes post exercise

Secondary Outcome Measures

Name	Time	Method
RPE, Exercise duration	immediately post exercise

Trial Locations

Locations (1)

Cardiopulmonary and exercise physiology laboratory, The Hong Kong Polytechnic University; 🇭🇰 Hong Kong, Hong Kong