Why the study?
It was unknown whether preoperative noninvasive right ventricle-to-pulmonary artery coupling, measured by the TAPSE:PASP ratio, is associated with perioperative outcomes after pulmonary endarterectomy.
Does a preoperative TAPSE:PASP ratio < 0.17 mm/mmHg predict prolonged ICU length of stay in patients with CTEPH undergoing pulmonary endarterectomy?
Does a preoperative TAPSE:PASP ratio < 0.17 mm/mmHg predict prolonged ICU length of stay in patients with CTEPH undergoing pulmonary endarterectomy?
A preoperative TAPSE:PASP ratio below 0.17 mm/mmHg is a useful noninvasive echocardiographic predictor of prolonged ICU stay and hemodynamic instability following pulmonary endarterectomy in CTEPH patients.
Preoperative TAPSE:PASP may aid risk assessment before PEA; hypothesis-generating and requires prospective validation.
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