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Socioeconomic status impacts blood pressure response to positive airway pressure treatment.

Imayama I, Gupta A, Yen PS, Chen YF, Keenan B, Townsend RR, Chirinos JA, Weaver FM, Carley DW, Kuna ST, Prasad B. Socioeconomic status impacts blood pressure response to positive airway pressure treatment. Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine. 2022 May 1; 18(5):1287-1295.

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Abstract:

STUDY OBJECTIVES: Positive airway pressure (PAP) treatment of obstructive sleep apnea reduces blood pressure (BP). Retrospective data suggest that African Americans (AA), a group at high-risk for hypertensive organ dysfunction, may have a greater BP response to PAP therapy than European Americans (EA). We examined the difference in 24-hour BP response to 3 months of PAP treatment between AA and EA. METHODS: Participants (n? = 259, 161 AA and 98 EA) with apnea-hypopnea index = 15 events/h from 2 prospective cohorts were included. -Tests and multiple linear regression were used to examine BP outcomes in AA vs EA, adjusting for PAP adherence, socioeconomic status, and baseline characteristics. RESULTS: Participants were middle aged (mean?±?SD, 53.8?±?9.3 years), 86% (227) men, apnea-hypopnea index 35.6?±?19.2 events/h, and PAP adherence of 3.36?±?2.24 h/day. The reductions in 24-hour systolic and diastolic BP (mm Hg) were not different in AA vs EA (systolic? = -1.13?±?12.1 vs -0.61?±?12.8, ? = .80 and diastolic? = -0.74?±?7.9 vs -0.80?±?7.4, ? = .96), and race was not a predictor of 24-hour systolic or diastolic BP reduction (? = .75 and 0.54). Socioeconomic status and PAP adherence demonstrated a significant interaction; low socioeconomic status was associated with an increase in 24-hour systolic BP (ß? = 19.3, ? = .03) in the absence of PAP use but a greater reduction in 24-hour systolic BP with higher PAP adherence (ß? = -3.96, ? = .03). CONCLUSIONS: Twenty-four hour BP response to PAP treatment is similar in AA and EA. Adherence to PAP treatment is more effective in improving 24-hour systolic BP in those with low SES. CLINICAL TRIAL REGISTRATION: Registry: ClinicalTrials.gov; Name: Race and CPAP Effectiveness (RACE); URL: https://clinicaltrials.gov/ct2/show/NCT01960465; Identifier: NCT01960465 and Registry: ClinicalTrials.gov; Name: The Effects of Treating Obese and Lean Patients with Sleep Apnea (PISA); URL: https://clinicaltrials.gov/ct2/show/NCT01578031; Identifier: NCT01578031. CITATION: Imayama I, Gupta A, Yen PS, et al. Socioeconomic status impacts blood pressure response to positive airway pressure treatment. . 2022;18(5):1287-1295.





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