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Analysis of parasympathetic nerve dysfunction during night in overlap syndrome with obstructive sleep apnea (OSA) and chronic obstructive pulmonary disease (COPD)

Not Applicable
Conditions
Overlap syndrome with obstructive sleep apnea syndrome (OSA) and chronic obstructive pulmonary disease (COPD)
Registration Number
JPRN-UMIN000023323
Lead Sponsor
Comprehensive Medical Center of Sleep Disorders, Tokyo Women's Medical University
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Complete: follow-up complete
Sex
All
Target Recruitment
400
Inclusion Criteria

Not provided

Exclusion Criteria

Central sleep apnea (CSA) predominating over OSA Periodic leg movement disorders Atrial fibrillation, artificial cardiac rhythms by pacemakers, significant ectopic beats Severe systemic diseases, including malignancy in any organ, severe heart failure, heart attack or stroke, renal failure requiring dialysis, and impaired cognitive function

Study & Design

Study Type
Interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Improvement of airflow limitation by continuous PAP therapy in Overlap syndrome
Secondary Outcome Measures
NameTimeMethod
1) Nighttime parasympathetic nerve activity and stability estimated by instantaneous time-frequency analysis in OSA, COPD, and Overlap syndrome 2) Improvement of nighttime parasympathetic nerve activity and stability by PAP therapy in OSA and Overlap syndrome
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