Coronary disease & ACS

Subclinical coronary artery disease in Swiss HIV-positive and HIV-negative persons

Eur Heart JPublished Cross-sectional study

Authors' conclusion

HIV-positive persons in Switzerland had a similar degree of non-calcified/mixed plaque and high-risk plaque, and may have less calcified coronary plaque, and lower coronary atherosclerosis involvement and severity scores than HIV-negative persons with similar Framingham risk scores.

Study context

Population
HIV-positive and HIV-negative persons referred for clinically indicated coronary CT angiography, Switzerland
Participants
428 vs 276
Exposure
HIV-positive vs HIV-negative persons
  • HIV-positiven = 428
  • HIV-negativen = 276reference
Outcome
Subclinical atherosclerosis by coronary artery calcium (CAC) scoring and coronary CT angiography

Main finding

As reported in the abstract

Calcified plaque prevalence (multivariable adjusted)
HIV-positive vs HIV-negativeAdjusted odds ratio (95% CI)P value
Calcified plaque
0.57(0.40–0.82)
P < 0.01
Coronary segment severity score
0.72(0.53–0.99)
P = 0.04
Segment involvement score
0.71(0.52–0.97)
P = 0.03

Observational data: associations, not effects.

Further findings

Baseline characteristics

Median age HIV-positive 52 years · HIV-negative 56 years

Median 10-year Framingham risk

  • Baseline characteristics: age P < 0.01
  • Baseline characteristics: Framingham P = 0.40
  • Baseline characteristics: median HIV duration 15 years

Non-calcified/mixed plaque by advanced immunosuppression (HIV-positive)

Advanced immunosuppression associated with non-calcified/mixed plaque, aOR
1.97 (95% CI 1.09-3.56; P = 0.02)

Original publication

Subclinical coronary artery disease in Swiss HIV-positive and HIV-negative persons. Eur Heart J. Published 24 March 2018. doi:10.1093/eurheartj/ehy163

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