biostudies-literatureIbrahim NAVA HSR&amp;D Service Researchzpae011https://www.ebi.ac.uk/biostudies/studies/S-EPMC10911693biostudies-literatureUnknown5(1)<h4>Study objectives</h4>Sleep-disordered breathing (SDB) is common in the Veteran population. In this retrospective study, we investigated the prevalence of comorbid central and obstructive SDB and the response rate to PAP among Veterans.<h4>Methods</h4>Veterans were screened from a single VA medical center who had polysomnography (PSG) study from 2017 to 2021 to ascertain the presence, severity, and type of SDB by measuring the apnea-hypopnea index (AHI) and central apnea index (CAI). Patients were excluded if they did not have complete studies (diagnostic and PAP titration studies). The inclusion criteria for these analyses were central sleep apnea (CSA) defined as AHI ≥ 10 events/hour and CAI ≥ 5 events/hour. Diagnostic "CSA only" was defined as AHI ≥ 10 events/hour and CAI ≥ 50% of AHSleep advances : a journal of the Sleep Research SocietyPrevalence of central sleep apnea among veterans and response rate to continuous positive airway pressure therapy.PMC10911693#RCS 20-191Pandya NZeineddine SAldwaikat AIbrahim NAChowdhuri SSalloum ASankari AMartin JLBadr MSfalsePrevalence of central sleep apnea among veterans and response rate to continuous positive airway pressure therapy.<h4>Study objectives</h4>Sleep-disordered breathing (SDB) is common in the Veteran population. In this retrospective study, we investigated the prevalence of comorbid central and obstructive SDB and the response rate to PAP among Veterans.<h4>Methods</h4>Veterans were screened from a single VA medical center who had polysomnography (PSG) study from 2017 to 2021 to ascertain the presence, severity, and type of SDB by measuring the apnea-hypopnea index (AHI) and central apnea index (CAI). Patients were excluded if they did not have complete studies (diagnostic and PAP titration studies). The inclusion criteria for these analyses were central sleep apnea (CSA) defined as AHI ≥ 10 events/hour and CAI ≥ 5 events/hour. Diagnostic "CSA only" was defined as AHI ≥ 10 events/hour and CAI ≥ 50% of AH2024-01-01T00:00:00Z20242025-04-26T22:37:49.252Z2024-11-07T03:51:27.437ZS-EPMC109116933844025510.1093/sleepadvances/zpae011