Prognosis-pulmonary hypertension
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Median survival after dx ~2.8 y; PAH (all etiologies): 2-y 66%, 5-y 48% (Chest 2004;126:78–S)
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Poor prognostic factors: clinical evidence of RV failure, rapidly progressive sx, WHO (modified NYHA) class IV, 6MWT <300 m, peak VO2 <10.4 mL/kg/min, ↑ RA or RV or RV dysfxn, RA >20 or CI <2.0, ↑ BNP (Chest 2006;129:1313)