Effects of physiological cardiac pacing on sleep-disordered breathing in patients with chronic bradydysrhythmias.
In six patients with chronic bradydysrhythmias, polysomnographies were performed before cardiac pacemaker implantation and over the week following implantation. A patient with third-degree atrioventricular block (AVB) and two patients with sinus node dysfunction (SND) were associated with sleep-disordered breathing (SDB). Their cardiac pacemaker therapies, with the increase in the average heart rate, led to a reduction of apnea-hypopnea index and/or an improvement of Cheyne-Stokes breathing. It seems that chronic bradydysrhythmia is one of the causative factors leading to SDB.
Kato
I
I
The Third Department of Internal Medicine, Aichi Medical University School of Medicine, Aichi, Japan.
Shiomi
T
T
Sasanabe
R
R
Hasegawa
R
R
Otake
K
K
Banno
K
K
Yamakawa
H
H
Mizutani
N
N
Kobayashi
T
T
D000368:Aged; D000369:Aged, 80 and over; D001919:Bradycardia / Q000150:complications*; D002639:Cheyne-Stokes Respiration; D002908:Chronic Disease; D005260:Female; D006327:Heart Block / Q000150:complications / Q000628:therapy; D006339:Heart Rate / Q000502:physiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial; D017286:Polysomnography; D011184:Postoperative Period; D011300:Preoperative Care; D012720:Severity of Illness Index; D012891:Sleep Apnea Syndromes / Q000150:complications* / Q000175:diagnosis*; D016896:Treatment Outcome