{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,14]],"date-time":"2026-10-14T06:07:12Z","timestamp":1791958032418,"version":"4.3.4"},"reference-count":26,"publisher":"Oxford University Press (OUP)","issue":"2","license":[{"start":{"date-parts":[[2006,1,1]],"date-time":"2006-01-01T00:00:00Z","timestamp":1136073600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2006,1,15]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Rationale<\/jats:title>\n                    <jats:p>Acetazolamide is a mild diuretic and a respiratory stimulant. It is used to treat periodic breathing at high altitude.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>To determine the therapeutic efficacy of acetazolamide on central sleep apnea associated with heart failure.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Twelve male patients with stable systolic heart failure whose initial polysomnograms showed more than 15 episodes per hour of apnea and hypopnea participated in the study. The patients were randomized to a double-blind cross-over protocol with acetazolamide or placebo, taken 1 h before bedtime for six nights with 2 wk of washout.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Measurements<\/jats:title>\n                    <jats:p>Polysomnography, pulmonary function tests, arterial blood gases, and left ventricular ejection fraction were obtained initially along with a sleep questionnaire, history, and physical examination. Baseline measurements were repeated at the end of each arm.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Main Results<\/jats:title>\n                    <jats:p>There were no significant differences between parameters at baseline and placebo. In comparing placebo with acetazolamide, the hourly number of episodes of central apnea (49 \u00b1 28 vs. 23 \u00b1 21 [mean \u00b1 SD]; p = 0.004) and the percentage of total sleep time spent below an arterial oxyhemoglobin saturation of 90% (19 \u00b1 32 vs. 6 \u00b1 13%; p = 0.01) decreased significantly. Acetazolamide improved subjective perception of overall sleep quality (p = 0.003), feeling rested on awakening (p = 0.007), daytime fatigue (p = 0.02), and falling asleep unintentionally during daytime (p = 0.002).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>In patients with heart failure, administration of a single dose of acetazolamide before sleep improves central sleep apnea and related daytime symptoms.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1164\/rccm.200507-1035oc","type":"journal-article","created":{"date-parts":[[2005,10,26]],"date-time":"2005-10-26T03:43:36Z","timestamp":1130298216000},"page":"234-237","source":"Crossref","is-referenced-by-count":305,"title":["Acetazolamide Improves Central Sleep Apnea in Heart 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