Pulmonary Arterial Hypertension in France: Results From a National Registry

Am J Respir Crit Care Med. 2006 May 1;173(9):1023-30. doi: 10.1164/rccm.200510-1668OC. Epub 2006 Feb 2.

Abstract

Rationale: Pulmonary arterial hypertension (PAH) is an orphan disease for which the trend is for management in designated centers with multidisciplinary teams working in a shared-care approach.

Objective: To describe clinical and hemodynamic parameters and to provide estimates for the prevalence of patients diagnosed for PAH according to a standardized definition.

Methods: The registry was initiated in 17 university hospitals following at least five newly diagnosed patients per year. All consecutive adult (> or = 18 yr) patients seen between October 2002 and October 2003 were to be included.

Main results: A total of 674 patients (mean +/- SD age, 50 +/- 15 yr; range, 18-85 yr) were entered in the registry. Idiopathic, familial, anorexigen, connective tissue diseases, congenital heart diseases, portal hypertension, and HIV-associated PAH accounted for 39.2, 3.9, 9.5, 15.3, 11.3, 10.4, and 6.2% of the population, respectively. At diagnosis, 75% of patients were in New York Heart Association functional class III or IV. Six-minute walk test was 329 +/- 109 m. Mean pulmonary artery pressure, cardiac index, and pulmonary vascular resistance index were 55 +/- 15 mm Hg, 2.5 +/- 0.8 L/min/m(2), and 20.5 +/- 10.2 mm Hg/L/min/m(2), respectively. The low estimates of prevalence and incidence of PAH in France were 15.0 cases/million of adult inhabitants and 2.4 cases/million of adult inhabitants/yr. One-year survival was 88% in the incident cohort.

Conclusions: This contemporary registry highlights current practice and shows that PAH is detected late in the course of the disease, with a majority of patients displaying severe functional and hemodynamic compromise.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Adolescent
  • Adult
  • Age Distribution
  • Aged
  • Aged, 80 and over
  • Cohort Studies
  • Exercise Tolerance / physiology
  • Female
  • France / epidemiology
  • Hemodynamics / physiology
  • Humans
  • Hypertension, Pulmonary / diagnosis
  • Hypertension, Pulmonary / epidemiology*
  • Hypertension, Pulmonary / physiopathology
  • Incidence
  • Male
  • Middle Aged
  • Prevalence
  • Registries*
  • Survival Rate