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Sleep Apnea in Pulmonary Hypertension Patients: A Systematic Review and Meta-Analysis Sleep Disorders and Pulmonary Hypertension Publisher Pubmed



Akbari A1 ; Raji H2, 3 ; Islampanah M1 ; Barati S1 ; Davoodian N4 ; Aminizadeh S5 ; Baniassad S6 ; Amini M3 ; Baniasad A7
Authors
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Authors Affiliations
  1. 1. Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
  2. 2. Department of Internal Medicine, Air Pollution and Respiratory Diseases Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
  3. 3. Division of Sleep Medicine, Psychiatry and Behavioral Sciences Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
  4. 4. IMPACT, the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Deakin University, Geelong, Australia
  5. 5. Department of Physiology and Pharmacology, Afzalipour School of Medicine, and Physiology Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
  6. 6. Department of Anesthesiology, Sina Hospital, Medical Sciences University of Tehran, Tehran, Iran
  7. 7. Lung Diseases Research Center, Mashhad University of Medical Sciences, Mashhad, Iran

Source: Sleep and Breathing Published:2025


Abstract

Introduction: Patients with pulmonary hypertension (PH) often have comorbid sleep apnea (SA), but the prevalence, severity, and clinical characteristics of PH patients with SA have not been well studied. Methods: Using a combination of the keywords “pulmonary hypertension” and “sleep apnea,” the PubMed, Embase, Web of Science, and Scopus databases were searched for articles reporting the prevalence, severity, and clinical characteristics of PH patients with SA that were available through June 25, 2024. Results: Of the 7969 studies, 39 were included in the final analysis. Prevalence of obstructive and central SA was 45.4% [39.2%, 51.6%]) and 9.3% [6%, 14.2%], respectively. The mean apnea hypopnea index (AHI) of patients with obstructive SA and PH was 18 [13.6, 22.4] with a standard error of 2.2. Subgroup analysis revealed that 51.4% [38.4%, 64.2%] had mild SA, 28% [22.5%, 33.6%] had moderate, and 20% [15.2%, 25%] had severe SA. PH patients with SA were characterized by male sex (odds ratio (OR) = 1.86 [1.45, 2.37], P < 0.001), older age (mean difference (MD) = -9.37 [-14.23, -4.43], P < 0.001), and higher body mass index (BMI) (MD = -2.16 [-3.32, -1.00], P < 0.001) compared to those without SA. However, mean pulmonary arterial pressure (mPAP) was not significantly different between SA and non-SA (MD = -2.4 [-5.1, 0.3], P = 0.078). Meta-regression showed no significant association between mPAP and AHI among patients with PH and SA (P = 0.13). Conclusion: Our study found that SA is common in PH patients with certain clinical characteristics. We recommend conducting sleep studies in all PH patients, especially in older, overweight male patients. © The Author(s), under exclusive licence to Springer Nature Switzerland AG 2025.
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