Why the study?
Does a satisfactory hemodynamic repair of tetralogy of Fallot result in better long-term left ventricular function compared to an unsatisfactory repair?
Does a satisfactory hemodynamic repair of tetralogy of Fallot result in better long-term left ventricular function compared to an unsatisfactory repair?
Patients with satisfactory hemodynamic repair of tetralogy of Fallot maintain normal left ventricular function, whereas those with unsatisfactory hemodynamics show significant left ventricular impairment.
Answers are grounded in this paper and cite their sources.
Satisfactory TOF repair was associated with preserved LV function; leaves open whether hemodynamic optimization improves outcomes in prospective studies.
Left ventricular function was assessed by angiographic methods in 40 patients (ages 3-27), 1-12 years following repair of tetralogy of Fallot. Twenty of the 40 patients (group A) had a satisfactory repair with a pulmonary-systemic flow ratio (Qp/Qs) less then or equal to 1.5 and a right ventricular systolic pressure of less than or equal to 60% of the left ventricular value. The other 20 patients (group B) had a Qp/Qs greater than 1.5 and/or a right ventricular systolic pressure greater than 60% of the left ventricular value. Group A patients had a normal left ventricular end-diastolic volume (LVEDV), end-diastolic pressure (LVEDP), ejection fraction (LVEF), and mass (LVM), while the group B patients had significantly elevated LVEDV, LVEDP, LVM, and a significantly depressed LVEF. These findings indicate that patients with a satisfactory hemodynamic repair of tetralogy of Fallot have normal left ventricular function while patients with postoperative unsatisfactory hemodynamics have significantly impaired left ventricular function.
No takes yet. Share an insight, caveat, or question.
Rocchini et al. (1978) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: