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Revista Brasileira de Anestesiologia

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SALGADO FILHO, Marcello Fonseca et al. Transesophageal echocardiography in Ross procedure. Rev. Bras. Anestesiol. [online]. 2011, vol.61, n.3, pp.347-350. ISSN 0034-7094.

BACKGROUND AND OBJECTIVES: Ross procedure is one of the surgical procedures for correction of severe congenital aortic insufficiency. Intraoperative transesophageal echocardiography is essential for optimal surgical evaluation. Furthermore, it is able to assess the blood volume profile and the need for administration of vasoactive drugs during surgery. CASE REPORT: This is a 15-year old teenager with severe congenital aortic insufficiency scheduled for corrective surgery with the Ross procedure. In the operating room, the patient was monitored with electrocardiography and pulse oximeter, and he was premedicated with midazolam. After the administration of premedication, the left radial artery and right subclavian vein were punctured. Anesthetic induction was accomplished with etomidate, cisatracurium, and fentanyl while maintenance was achieved with sevoflurane. The probe of the transesophageal echocardiography equipment was introduced immediately after tracheal intubation, showing increased left ventricle; severe aortic insufficiency due to coaptation failure of the three leaflets; and competent pulmonary valve without anatomical and physiological changes. Intercurrences were not observed during surgery, with 120 minutes of extracorporeal circulation (ECC) and 8 hours of surgery. Immediately after removal from ECC the transesophageal echocardiography showed good function of both the auto- and homograft; however, the right ventricle presented hypocontractility, which was corrected with a bolus of milrinone followed by continuous infusion. The patient was transferred to the postanesthetic recovery unit intubated and hemodynamically stable with infusion of milrinone and sodium nitroprusside. CONCLUSIONS: Ross procedure is one of the techniques for correction of congenital aortic insufficiency in which transesophageal echocardiography guides the surgeon precisely on the physiological and anatomical status of vascular grafts.

Keywords : Echocardiography, Transesophageal; Aortic Valve Insufficiency; Heart Defects, Congenital; Cardiac Surgical Procedures.

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