Journal
INTERNATIONAL JOURNAL OF HEMATOLOGY
Volume 117, Issue 1, Pages 90-99Publisher
SPRINGER JAPAN KK
DOI: 10.1007/s12185-022-03454-1
Keywords
Myeloproliferative neoplasms; Pulmonary hypertension; Myelofibrosis; Leukemia; Risk factors; Cardio-oncology
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Cardiovascular events and hematologic progression are major causes of morbidity and mortality in patients with myeloproliferative neoplasms. This study investigates the impact of pulmonary hypertension on mortality and disease progression in these patients, finding that pulmonary hypertension is associated with increased risk of death and hematologic progression.
Cardiovascular events and hematologic progression to myelofibrosis or leukemia are leading causes of morbidity and mortality among patients with myeloproliferative neoplasms (MPN). Pulmonary hypertension (PH) is also associated with MPN and cardiovascular disease (CVD), though its prognostic significance in MPN is not well characterized. Our primary objective was to investigate the effect of PH, defined as right-ventricular systolic pressure (RVSP) >= 50 mmHg on echocardiogram or mean pulmonary artery pressure (mPAP) >= 20 on right heart catheterization, on cardiovascular and all-cause mortality and hematologic progression in patients with MPN and CVD (atrial fibrillation, heart failure hospitalization, and myocardial infarction after MPN diagnosis). Of the 197 patients included (86 ET, 80 PV, 31 PMF), 92 (47%) had PH and 98 (50%) were male. All-cause mortality (58 vs 37%, p = 0.004), cardiovascular death (35 vs 9%, p < 0.0001), and hematologic progression (23 vs 11%, p = 0.037) occurred more frequently in patients with PH. Multivariable competing-risk and proportional hazards regression showed that PH was associated with increased risk of all-cause death (adjusted hazard ratio [HR], 1.80, 95% CI 1.10-2.93), CV death (adjusted subdistribution HR 3.71, 95% CI 1.58-8.73), and hematologic progression (adjusted subdistribution HR 1.99, 95% CI 1.21-3.27).
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