EDITORIAL The Growing Burden of Pulmonary Hypertension in the Modern Era A Zebra No More? See Article by Wijeratne et al. Stephen C. Mathai, MD, MHS John J. Ryan, MD ulmonary hypertension (PH) is a heterogeneous syndrome characterized by elevated pulmonary pressures. Although often suspected based on symp- P toms of dyspnea and elevated estimates of pulmonary arterial systolic pres- sures on echocardiogram, PH can only be diagnosed by right heart catheterization demonstrating a mean pulmonary artery pressure ≥25 mm Hg. Clinically, PH can result from various comorbid conditions, including underlying cardiac, pulmonary, thromboembolic, and miscellaneous diseases. PH in the absence of these comorbid conditions constitutes a small subset of PH, known as pulmonary arterial hyperten- sion (PAH). Over the last several years, determining the incidence and prevalence of PH in population-based studies has proven challenging, in part, because of the lack of specificity of diagnosis codes commonly used in reimbursement system data- bases. These codes do not align with the current classification system and thus are unable to accurately distinguish disease phenotypes. In addition, proper clas- sification of PH, according to guideline recommendations, requires not only a high clinical suspicion but also extensive targeted testing, which is often
Circulation: Cardiovascular Quality & Outcomes – Wolters Kluwer Health
Published: Feb 1, 2018
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