• Interact Cardiovasc Thorac Surg · May 2013

    Comparative Study

    Cavopulmonary anastomosis without cardiopulmonary bypass.

    • Ezzeldin A Mostafa, Ashraf A H El Midany, Mahmoud M Zalat, and Ahmed Helmy.
    • Department of Cardiovascular and Thoracic Surgery, Ain Shams University Hospitals, Cairo, Egypt.
    • Interact Cardiovasc Thorac Surg. 2013 May 1;16(5):649-53.

    ObjectivesThere is an increasing trend to perform the bidirectional superior cavopulmonary (Glenn) anastomosis without cardiopulmonary bypass. In this report, we present our results of off-pump bidirectional Glenn operation done without using a venoatrial shunt to decompress the superior vena cava during clamping. [corrected].MethodsA prospective, non-randomized comparative study was conducted in 50 patients with functional single ventricle anomalies who underwent bidirectional Glenn anastomosis without cardiopulmonary bypass. The patients were divided into two groups: Group I (n = 25), where it was done without a veno-atrial shunt, and Group II (n = 25), where it was done with a veno-atrial shunt. Two patients in Group I and 4 patients in Group II had a bilateral bidirectional Glenn shunt. Five patients in Group I and three patients in Group II had a previous left modified Blalock-Taussig shunt. All patients underwent a complete neurological examination both preoperatively as well as postoperatively.ResultsThe early hospital mortality was 4% (2/50), one in each group. The median follow-up was 14 months. The mean internal venous pressure on clamping the superior vena cava was 37.07 ± 7.12 mmHg in Group I and 24 ± 4.4 mmHg in Group II. The mean clamp time was 9.85 ± 3.52 min in Group I and 21.3 ± 4.4 min in Group II. The transcranial pressure gradient was 62.37 ± 15.01 mmHg in Group I, while 65.08 ± 13.89 in Group II. The mean intensive care unit stay was 2.57 ± 75 days in Group I, 3.3 ± 1.09 in Group II. There were no major neurological complications apart from treatable convulsions in one case in Group I (4%), 2 cases in Group II (8%), and delayed recovery in one case (4%) in Group I.ConclusionsOff-pump bidirectional Glenn operation without caval decompression is a safe, simple and more economic procedure.

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