Article
Heart rate variability reflects severity of COPD in PiZ alpha1-antitrypsin deficiency.
Chest - 1 Feb 1998
Stein P K, Nelson P, Rottman J N, Howard D, Ward S M, Kleiger R E, Senior R M
Abstract excerpt
BACKGROUND: Analysis of heart rate variability (HRV) is a powerful method of assessing severity of conditions affecting the autonomic nervous system. STUDY OBJECTIVE: To determine if HRV is decreased and if HRV reflects severity in COPD. DESIGN: Prospective determination of HRV from 24-h outpatient Holter recordings. PATIENTS: Eighteen individuals with PiZ alpha1-antitrypsin deficiency: 13 with COPD and 5 with...
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