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Understanding the impact of pulmonary arterial hypertension on patients' and carers' lives.

ABSTRACT: Pulmonary arterial hypertension (PAH) is a rare, debilitating and rapidly progressive disease. Although there have been important medical advances in PAH management, the search for a cure continues. Despite an increased understanding of the disease, data on the wider effect of PAH on patients and carers, beyond the clinical symptoms, are still limited. In order to explore this, a large-scale international survey investigated four key areas affected by PAH (physical and practical, emotional, social, and information needs) and provides new insight into patients' and carers' experiences of living with the disease. The results from the survey highlight not only the limited ability of patients to carry out everyday tasks, but also the financial impact and social isolation experienced by both patients and carers. The study confirmed that a decline in a patient's World Health Organization functional class, which indicates an increase in clinical severity of the disease, is associated with greater limitations. Results from the survey demonstrate the need for multidisciplinary PAH management and a comprehensive standard of care to assess and improve all aspects of well-being for both patients and carers. In addition, they underline the need for updated PAH guidelines that address these needs.

SUBMITTER: Guillevin L

PROVIDER: S-EPMC9639179 | biostudies-literature | 2013 Dec

REPOSITORIES: biostudies-literature

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Understanding the impact of pulmonary arterial hypertension on patients' and carers' lives.

Guillevin Loïc L Armstrong Iain I Aldrighetti Rino R Howard Luke S LS Ryftenius Henrik H Fischer Aryeh A Lombardi Sandra S Studer Sean S Ferrari Pisana P

European respiratory review : an official journal of the European Respiratory Society 20131201 130

Pulmonary arterial hypertension (PAH) is a rare, debilitating and rapidly progressive disease. Although there have been important medical advances in PAH management, the search for a cure continues. Despite an increased understanding of the disease, data on the wider effect of PAH on patients and carers, beyond the clinical symptoms, are still limited. In order to explore this, a large-scale international survey investigated four key areas affected by PAH (physical and practical, emotional, soci ...[more]

PMID: 24293469

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Project description:Borderline resting mean pulmonary arterial pressure (mPAP) is associated with adverse outcomes and affects the exercise pulmonary vascular response. However, the pathophysiological mechanisms underlying exertional intolerance in borderline mPAP remain incompletely characterized. In the current study, we sought to evaluate the prevalence and functional impact of exercise pulmonary hypertension (ePH) across a spectrum of resting mPAP's in consecutive patients with contemporary resting right heart catheterization (RHC) and invasive cardiopulmonary exercise testing. Patients with resting mPAP <25 mmHg and pulmonary arterial wedge pressure ≤15 mmHg (n = 312) were stratified by mPAP < 13, 13-16, 17-20, and 21-24 mmHg. Those with ePH (n = 35) were compared with resting precapillary pulmonary hypertension (rPH; n = 16) and to those with normal hemodynamics (non-PH; n = 224). ePH prevalence was 6%, 8%, and 27% for resting mPAP 13-16, 17-20, and 21-24 mmHg, respectively. Within each of these resting mPAP epochs, ePH negatively impacted exercise capacity compared with non-PH (peak oxygen uptake 70 ± 16% versus 92 ± 19% predicted, P < 0.01; 72 ± 13% versus 86 ± 17% predicted, P < 0.05; and 64 ± 15% versus 82 ± 19% predicted, P < 0.001, respectively). Overall, ePH and rPH had similar functional limitation (peak oxygen uptake 67 ± 15% versus 68 ± 17% predicted, P > 0.05) and similar underlying mechanisms of exercise intolerance compared with non-PH (peak oxygen delivery 1868 ± 599 mL/min versus 1756 ± 720 mL/min versus 2482 ± 875 mL/min, respectively; P < 0.05), associated with chronotropic incompetence, increased right ventricular afterload and signs of right ventricular/pulmonary vascular uncoupling. In conclusion, ePH is most frequently found in borderline mPAP, reducing exercise capacity in a manner similar to rPH. When borderline mPAP is identified at RHC, evaluation of the pulmonary circulation under the stress of exercise is warranted.

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Understanding the impact of pulmonary arterial hypertension on patients' and carers' lives.

Publications

Understanding the impact of pulmonary arterial hypertension on patients' and carers' lives.

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