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  • Title: Coarctation repair: modification of end-to-end anastomosis with subclavian flap angioplasty.
    Author: Hovaguimian H, Senthilnathan V, Iguidbashian JP, McIrvin DM, Starr A.
    Journal: Ann Thorac Surg; 1998 Jun; 65(6):1751-4. PubMed ID: 9647094.
    Abstract:
    BACKGROUND: Subclavian angioplasty and resection and end-to-end anastomosis for coarctation repair carry a substantial risk of recurrence of coarctation. The combined technique using both these methods has shown good results but requires a longer period of continuous cross-clamping of the aorta. METHODS: A modified technique using intermittent cross-clamping with a period of reperfusion between cross-clamping periods was used. After the end-to-end anastomosis the clamps are released for 10 minutes and reapplied to do the subclavian angioplasty. Between 1991 and 1996 this was done in 26 infants (mean age, 5 weeks; range, 1 day to 6 months; median, 3 weeks). Mean weight was 3.85 kg (range, 1.5 to 8.4 kg). Mean length of follow-up was 23 months. Twenty-two patients (85%) had associated anomalies, excluding patent ductus arteriosus, and 5 patients (19%) had another procedure performed at the same time. RESULTS: There was no mortality. The mean echocardiographic gradient was 4 mm Hg in the immediate postoperative period and 2.9 mm Hg during follow-up. Residual or recurrent coarctation as detected by significant echocardiography or blood pressure gradient did not develop in any infant. CONCLUSIONS: This modified technique of anastomosis is an effective way of relieving coarctation with excellent intermediate-term results.
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