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Chest. 2003 Dec;124(6):2098-104.

Age and risk of pulmonary arterial hypertension in scleroderma.

Author information

1
Division of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, MD, USA.

Abstract

STUDY OBJECTIVES:

To investigate whether age at disease onset is a risk factor for pulmonary arterial hypertension (PAH) in scleroderma.

SETTING:

Scleroderma center.

PATIENTS:

Seven hundred nine consecutive scleroderma patients who underwent echocardiography.

MEASUREMENTS:

The risk of PAH associated with age at disease onset was modeled as both a continuous and categorical variable. Risk estimates were adjusted for sex, race, scleroderma subtype, disease duration, smoking status, FVC, anticentromere and antitopoisomerase I antibody status.

RESULTS:

Overall, 274 patients (38.6%), 272 patients by Doppler echocardiography and 2 patients by M-mode echocardiography, had PAH at baseline or during follow-up. There were 114 patients with mild PAH (right ventricular systolic pressure [RVSP], 36 to 45 mm Hg), 66 patients with moderate PAH (RVSP, 46 to 55 mm Hg), and 92 patients with severe PAH (RVSP > or =56 mm Hg). A 52% increase in risk of PAH was demonstrated for every 10 years of age at disease onset (odds ratio [OR], 1.52; 95% confidence interval [CI], 1.31 to 1.76). In addition, there was a twofold greater risk of PAH (OR, 2.30; 95% CI, 1.32 to 3.99) for late-onset (age > or =60 years) vs earlier-onset (< 60 years) disease. These associations remained evident and were somewhat strengthened when the analyses were restricted to patients with moderate and severe PAH.

CONCLUSIONS:

We identified increasing age at scleroderma onset as a risk factor for PAH. Vigilance among these high-risk patients may provide an opportunity to intervene prior to development of irreversible pulmonary vascular disease.

PMID:
14665486
DOI:
10.1378/chest.124.6.2098
[Indexed for MEDLINE]

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