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find Keyword "Extended side-to-end anastomosis" 1 results
  • Surgical Treatment of Coarctation of the Aorta and Hypoplastic Aortic Arch

    ObjectiveTo evaluate the advantages and disadvantages of patch aortoplasty and extended side-to-end anastomosis for the treatment of coarctation of the aorta (CoA) and hypoplastic aortic arch, and provide a more reasonable surgical choice. MethodsClinical data of 45 patients who underwent surgical correction for CoA and hypoplastic aortic arch in Beijing Anzhen Hospital from June 2008 to June 2013 were retrospectively analyzed. According to different surgical strategies for aortic arch hypoplasia, all the 45 patients were divided into 2 groups. In group I, there were 26 patients including 15 males and 11 females with their age of 0.5-6.8 (0.9±2.5) years and body weight of 5.0-20.3 (9.5±7.3) kg, who received patch aortoplasty and whose preoperative pressure gradient between right upper and lower limbs was 38.3±15.6 mm Hg. In groupⅡ, there were 19 patients including 14 males and 5 females with their age of 0.6-7.5 (1.0±2.7) years and body weight of 5.5-21.5 (10.2±6.6) kg, who received extended side-to-end anastomosis and whose preoperative pressure gradient between right upper and lower limbs was 40.7±16.1 mm Hg. Postoperative changes of pressure gradient between right upper and lower limbs of the 2 groups were examined and compared with preoperative values. ResultsTwo patients died postoperatively (4.4%) including 1 patient with low cardiac output syndrome and the other patient with severe lung infection. None of the patients in either group had renal failure or neurological complications. Postoperatively, there were 28 patients whose systolic blood pressure (SBP) of lower extremities was 10-20 mm Hg higher than that of upper extremities, 13 patients whose SBP gradient between upper and limbs was less than 10 mm Hg, and 4 patients whose upper limb SBP was 20 mm Hg higher than lower limb SBP. Postoperative average pressure gradient of right upper and lower extremities was 3.2±13.5 mm Hg and significantly lower than preoperative value (P < 0.05). Postoperative pressure gradient of upper and lower extremities was significantly lower than preoperative value in both groups (P < 0.05). There was no statistical difference in preoperative and postoperative changes of pressure gradient of upper and lower extremities between the 2 groups (P > 0.05). Thirty-eighty patients (88.4%) were followed up from 3 months to 5 years. During follow-up, there was 1 patient whose blood flow velocity of the descending aorta was increasingly accelerated. Pressure gradient across the aortic arch was larger than 40 mm Hg. Computer tomography showed aortic arch restenosis. This patient received reoperation 8 months after the first discharge. Three patients whose aortic pressure gradient was larger than 20 mm Hg were still followed up. Aortic arch pressure gradient was less than 20 mm Hg in all the other patients. ConclusionBoth patch aortoplasty and extended sideto-end anastomosis are ideal surgical methods for the treatment of CoA and hypoplastic aortic arch. Appropriate surgical method should be chosen according to individual conditions of pediatric patients.

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