ArticleCardiology2025
Potential Use of Systolic Pulmonary Artery Pressure/Pulmonary Artery Acceleration Time Ratio in Severe Functional Tricuspid Regurgitation with Pulmonary Hypertension.
Article in Cardiology, 2025. 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
introductionTo date, there is no specific evidence or criteria for the selection of patients with PH and severe tricuspid insufficiency that can be initiated into correction of tricuspid valvulopathy. Tricuspid regurgitation is a risk marker independent of mortality in patients with pulmonary hypertension. The critical factor for the procedure's success is to find the parameters to select patients so that they do not become just a futile act.
methodFrom the initial group of 271 patients, a final group of 123 patients were selected, all diagnosed with precapillary PH confirmed by catheterization and with tricuspid regurgitation by echocardiography. Patients were in groups 1 and 2 according to the 2022 Pulmonary Hypertension Guidelines. Patients with right to left shunt were not excluded.
resultsIn patients with severe precapillary PH, the sPAP/PAAT ratio was close to 1 (0.89 ± 0.43), while in patients with mild precapillary PH or in the postcapillary group, the sPAP/PAAT ratio was considerably lower (0.47 ± 0.20, p < 0.001). The average sPAP/PAAT of deceased patients was 0.76. Among the 68 deceased patients, 42 (61.70%) had severe tricuspid regurgitation.
conclusionIn our study, the average sPAP/PAAT ratio of the deceased patients with severe FTR was 0.76 mm Hg/ms; nevertheless, this knowledge could have a potential use but is not sufficient for full-informed qualification or disqualification for valve intervention, which requires specific TTVR-related data.
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