Why the study?
The hemodynamic definition of pulmonary arterial hypertension has recently changed and the prevalence of specific PH etiologies may differ depending on geographic region, particularly in Asia.
This review highlights the unique epidemiological profile of pulmonary hypertension in Asia, noting a higher prevalence of congenital heart disease- and connective tissue disease-related PH compared to Western populations.
Alerts to differing PH etiologies in Asia; leaves open prospective validation of management implications.
Pulmonary hypertension (PH) is caused by a range of conditions and is important to recognize as it is associated with increased mortality. Pulmonary arterial hypertension refers to a group of PH subtypes affecting the distal pulmonary arteries for which effective treatment is available. The hemodynamic definition of pulmonary arterial hypertension has recently changed which may lead to greater case recognition and earlier treatment. The prevalence of specific PH etiologies may differ depending on geographic region. PH caused by left heart disease is the most common cause of PH worldwide. In Asia, there is greater proportion of congenital heart disease- and connective tissue disease- (especially systemic lupus erythematosus) related PH relative to the West. This review summarizes the definition, classification, and epidemiology of PH as it pertains to Asia.
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Anderson et al. (2022) studied this question.
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