Key result
Elevated RVSP ≥ 30 mm Hg was common and associated with significantly higher Charlson Comorbidity Index and prior hospitalizations compared to RVSP < 30 mm Hg (P<0.0001).
Why the study?
Elevated RVSP on routine echocardiography is common but underappreciated, and recent changes lowering the hemodynamic threshold for PH further cloud its clinical significance.
Does elevated right ventricular systolic pressure on echocardiography correlate with increased comorbidities and hospitalizations in patients undergoing routine echocardiography?
Population
9291 unique patients undergoing transthoracic echocardiography in Ontario, Canada
Comparison
RVSP strata (< 30 vs 30 to < 40 vs ≥ 40 mm Hg)
Design
Retrospective cohort study
Authors
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Elevated RVSP on routine echo may warrant closer monitoring; leaves open whether the updated PH threshold refines risk stratification in observational data.
Cohort (n=9,291)
No
Does elevated right ventricular systolic pressure on echocardiography correlate with increased comorbidities and hospitalizations in patients undergoing routine echocardiography?
p-value: p=< 0.0001
Elevated RVSP ≥ 30 mm Hg on routine echocardiography is common and associated with higher comorbidity and hospitalization rates, yet is frequently underdiagnosed as pulmonary hypertension.
Xiong et al. (2020) conducted a cohort in Elevated right ventricular systolic pressure / Pulmonary hypertension (n=9,291). Elevated right ventricular systolic pressure (RVSP ≥ 30 mm Hg) vs. RVSP < 30 mm Hg was evaluated on Charlson Comorbidity Index (CCI) and number of hospitalizations 1 year before echocardiography (p=< 0.0001). Elevated RVSP ≥ 30 mm Hg was common and associated with significantly higher Charlson Comorbidity Index and prior hospitalizations compared to RVSP < 30 mm Hg (P<0.0001).
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