ArticleEchocardiography (Mount Kisco, N.Y.)2026
Clinical Risk Assessment of Acute Intermediate-Risk Pulmonary Embolism Using Repeat Transthoracic Echocardiography.
Article in Echocardiography (Mount Kisco, N.Y.), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundCurrent risk stratification algorithms for intermediate-risk pulmonary embolism (PE) inadequately identify patients who may benefit from escalated care interventions (ECIs) beyond anticoagulation and do not incorporate temporal assessments of right ventricular (RV) function.
objectivesTo evaluate whether changes in tricuspid annular plane systolic excursion (TAPSE) on repeat transthoracic echocardiography (TTE) before ECIs are associated with clinical outcomes in acute intermediate-risk PE.
methodsAcute intermediate-risk PE patients at a single quaternary care center were retrospectively identified. Inclusion required two or more TTE studies with TAPSE measurements before discharge or ECI initiation. Patients were stratified into worsening (ΔTAPSE < 0 mm) and stable/improving cohorts. The primary outcome was 30-day mortality. Secondary outcomes included 90-day mortality, intubation, ICU admission, vasopressor requirement, and ECIs.
resultsEighty-eight patients met inclusion criteria (38 worsening, 50 stable/improving). Worsening TAPSE was associated with a significantly increased risk of 30-day mortality (RR 5.26; p = 0.003), 90-day mortality (RR 3.01; p = 0.004), and intubation (RR 1.86; p = 0.010). In univariate logistic regression, each 1 mm increase in ΔTAPSE was associated with lower odds of 30-day mortality (OR 0.86; p = 0.005). Among 53 patients with initial TAPSE ≥16 mm, those with subsequent decline had significantly higher 30-day mortality (33.3% vs. 8.7%; p = 0.048).
conclusionWorsening RV function on repeat echocardiography was associated with short-term mortality in acute intermediate-risk PE, even with initially preserved cardiac function. Serial assessment of RV function may refine risk stratification, and the impact on patient triage and escalation decisions warrants prospective evaluation.
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