Key result
Intraoperative transesophageal echocardiography identified pulmonary artery flow reversals in 4 of 10 patients during Fontan procedures, which was associated with significantly reduced fractional shortening (26.5% vs 35.5%).
Observational (n=10)
Absolute Event Rate: 26.5% vs 35.5%
Intraoperative TEE can identify pulmonary artery flow reversals after the Fontan procedure, which correlate with reduced ventricular function and higher atrial pressure gradients, potentially predicting surgical outcomes.
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May indicate reduced ventricular function in Fontan patients; leaves open prognostic value and clinical utility.
Kawahito et al. (2000) conducted an observational in Single-ventricle physiology (n=10). Pulmonary artery flow reversals vs. No reverse flow (biphasic forward flow) was evaluated on Fractional shortening. Intraoperative transesophageal echocardiography identified pulmonary artery flow reversals in 4 of 10 patients during Fontan procedures, which was associated with significantly reduced fractional shortening (26.5% vs 35.5%).
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