Cardiovascular autonomic function in chronic obstructive pulmonary disease
- Conditions
- Cardiovascular autonomic function in chronic obstructive pulmonary disease (COPD) patients with all stagesCOPD, cardiovascular autonomic function
Recruitment & Eligibility
- Status
- nknown
- Sex
- All
- Target Recruitment
- 88
COPD patients, all severity (mild, moderate, severe and very severe), as defined by the Global Initiative for Obstructive Lung Disease (GOLD) guidelines (2) with forced expiratory volume in 1 second (FEV1)/forced vital capacity (FVC) ratio < 0.7 will be recruited if they meet the following criteria:
1) Age between 40-80 years old;
2) Stable conditions, i.e. no acute exacerbation, change in pharmacological therapy, or hospital admission in the past 1 month;
3) Good ability to communicate and follow instructions.
Subjects of either group will be excluded from this study if they meet the following criteria:
1) History of diabetes mellitus, cardiac arrhythmias, lung cancer, or mental disorder;
2) Alcoholism and/or current smoker;
3) Musculoskeletal or neurological abnormalities, such as stroke, upper limb or lower limb injuries;
4) Acute conditions, such as fever, uncontrolled hypertension.
Study & Design
- Study Type
- Observational
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method
- Secondary Outcome Measures
Name Time Method