Clinical predictors of prognosis in severe aortic stenosis in unoperated patients ≥75 years of age

Outcome of adults with asymptomatic severe aortic stenosis

“…Efforts have been made to identify any clinical variable that could be used as an independent predictor of subsequent cardiac events [19]. Most currently used independent predictors are echocardiographic variables such as the left ventricular ejection fraction, aortic-jet velocity, and extent of valvular calcification [20][21][22].…”

Estenose aórtica grave em pacientes assintomáticos: o dilema do tratamento clínico versus cirúrgico

“…The test also helps in cases of isolated syncope (without angina or dyspnea). The isolated syncope, as the only clinical manifestation of AoS, is unusual 25,26 . In these cases, the presence of syncope during the test defines the symptom-exertion association, indicating the need for surgery.…”