Sleep medicine
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Sleep apnea occurs in up to 50% of patients with end-stage renal disease and is improved by nocturnal hemodialysis. We hypothesized that its pathogenesis is related to changes in chemoreflex responsiveness. ⋯ Improvement of sleep apnea following conversion from conventional to nocturnal hemodialysis is associated with a decrease in chemoreflex responsiveness. This finding suggests that increased chemoreflex responsiveness contributes to the pathogenesis of sleep apnea in some patients with end-stage renal disease.