Cardiometabolic & kidneyCohort study

Adverse Cardiovascular Outcomes in Patients With Obstructive Sleep Apnea and Obesity

J Am Coll CardiolPublished

  • Retrospective cohort study
  • overlap-weighted

Authors' conclusion

Among patients with moderate-to-severe OSA and obesity, metabolic surgery, compared with nonsurgical management, was associated with a significantly lower risk of incident MACE and death.

Study context

Population
Adults with BMI 35 to 70 kg/m² and moderate-to-severe obstructive sleep apnea (OSA) at a US health system (2004–2018)median follow-up 5.3 years
Participants
13,657 adults
Exposure
Metabolic surgery vs nonsurgical management
  • Metabolic surgeryn = 970
  • Nonsurgicaln = 12,687reference
Outcome
Incident major adverse cardiovascular events (MACE)
Follow-up
10 years

Main finding

MACE, 10-year cumulative incidence

Adjusted hazard ratio

0.58

95% CI 0.48–0.71

P < 0.001

By group

Metabolic surgery vs Nonsurgical
adjusted HR 0.58 (95% CI 0.48–0.71); P < 0.001

As reported in the abstract

Observational data: associations, not effects.

Further findings

Cumulative incidence

OutcomeMetabolic surgeryNonsurgicaladjusted HR (95% CI)P value
All-cause mortality · 10 years9.1% (95% CI 5.7%–12.4%)12.5% (95% CI 11.2%–13.8%)0.63 (0.45–0.89)P = 0.009

Body weight · 10 years

Mean between-group difference in body weight
26.6 kg (95% CI: 25.6-27.6 kg)
Mean between-group difference in body weight, %
19.3% (95% CI: 18.6%-19.9%)

Original publication

Adverse Cardiovascular Outcomes in Patients With Obstructive Sleep Apnea and Obesity. J Am Coll Cardiol. Published 21 June 2024. doi:10.1016/j.jacc.2024.06.008

Summarised from the published abstract; every number is checked against it