ArticleClinics (Sao Paulo, Brazil)2026
Long-term efficacy of the treat-to-close strategy for patients with atrial septal defect-pulmonary artery hypertension and characteristics of indicated populations.
Article in Clinics (Sao Paulo, Brazil), 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
objective"Treat-to-close" strategy in the treatment of patients with Atrial Septal Defects (ASD) combined with severe Pulmonary Hypertension (PAH). This study explored the long-term survival of patients undergoing the "treat-to-close" strategy and the characteristics of the applicable population.
methodsA total of 141 ASD-PAH patients were collected. Patients were classified as "Occlusion Group" (OG) and "Conservative Treatment Group" (CTG) depending on the suitability of ASD occlusion after drug treatment. The baseline characteristics and long-term follow-up outcomes of the two groups were recorded.
resultsPatients in the OG underwent 5 (3.8) months of Pulmonary Artery-targeted Drug Therapy (PADT) before ASD occlusion. OG patients had better long-term survival (p = 0.043). Pulmonary Vascular Resistance (PVR): Area Under the Curve (AUC) 0.813 (0.726‒0.899, p < 0.001), Pulmonary Arterial Oxygen Saturation (PASO2): AUC = 0.794 (95% CI: 0.682‒0.904 p < 0.001), Pulmonary Artery Systolic Pressure (PASP): AUC = 0.808 (95% Confidence Interval [95% CI]: 0.733‒0.883 p < 0.001) and PASO2 combined with PASP: 0.918 (95% CI: 0.854‒0.979 p < 0.001) contribute to the screening of drug-sensitive populations.
conclusionsThe treat-to-close strategy significantly improves long-term patient survival. Initial intraoperative indications can help screen the beneficiary population. Larger-scale prospective studies are needed to validate the present findings.
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