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find Author "WANGXiao-wu" 2 results
  • Extracardiac Conduit Total Cavopulmonary Connection for Surgical Treatment of Complex Congenital Heart Diseases

    ObjectiveTo summarize clinical experience and outcomes of extracardiac conduit total cavopulmonary connection (TCPC)for surgical treatment of complex congenital heart diseases. MethodsClinical data of 52 patients who underwent extracardiac conduit TCPC from September 2006 to December 2012 in Department of Cardiac Surgery, Guangzhou General Hospital of Guangzhou Military Command were retrospectively analyzed. There were 12 patients who received one-stage extracardiac conduit TCPC. There were 40 patients who received two-staged extracardiac conduit TCPC after bidirectional Glenn procedure. Clinical data of all the patients were analyzed. Mortality, morbidity, length of hospital stay and intensive care unit (ICU)stay, mechanical ventilation time, change of arterial oxygen saturation (SaO2)were compared between the 2 groups. ResultsTwo patients (3.8%)died postoperatively including 1 patient with severe low cardiac output syndrome and another patient with multiple organ dysfunction syndrome. Fifty patients were discharged successfully. Mechanical ventilation time, length of ICU stay and hospital stay of the 40 patients who received two-stage extracardiac conduit TCPC were significantly shorter than those of the 12 patients who received one-stage extracardiac conduit TCPC. There was no statistical difference in postoperative morbidity, SaO2 (two-staged vs. one-staged:93%±3% vs. 94%±3%)or mortality (two-staged vs. one-staged:2.5% vs.8.3%)between the 2 groups (P > 0.05). Forty-five patients (90%)were followed up for 6-52 months, and there was no death during follow-up. At 3 months after TCPC, all the patients had heart function of class I or II, and echocardiography showed patent cavopulmonary anastomosis. ConclusionExtracardiac conduit TCPC is a simple procedure, can produce more physiological hemodynamic results, and can be performed for patients who cannot undergo biventricle procedure. Compared with one-stage extracardiac conduit TCPC, two-staged extracardiac conduit TCPC has wider surgical indications, can produce better postoperative recovery, and is easier to perform.

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  • Modified Total Arch Replacement for 38 Patients with Stanford A aortic dissection

    ObjectiveTo achieve a better early clinical result by modifying the total arch replacement and optimi-zing the procedure of operation. MethodWe retrospectively analyzed the clinical data of 38 patients patients with stanford a aortic dissection underwent the modifed total arch replacement in our hospital from September to December 2014. There were 26 males and 12 females with a mean age of 52.5 years ranging from 21-76 years. Three artery conduits were adopted during the surgical procedure. Right axillary artery and femoral artery cannulation were performed for cardiopulmonary bypass. The artificial graft and the left common carotid artery was anastomosed to provide simultaneous perfusion. Low rate bilateral brain perfusion began when circulation arrested at 26℃. Reperfusion restoration was obtained after the four-branch vascular graft anastomosed to the stent and aortic wall and completed the implantation of the elephant trunk. Then the aortic root and the vascular graft anastomosis were performed to reconstruct the ascending aorta. At last, the left subclavian artery and innominate artery were anastomosed to the branch of the vascular graft under the beating heart. ResultAll 38 operations were successful. The mean hypothermic circulatory time of the whole group was 18.8±4.2 min, the time of ascending aorta blocking was 86.1±14.2 min, the time of cardiopulmonary bypass was 178.4±71.4 min, the time of postoperative awakening was 4.7±2.0 h, the time of assisted mechanical ventilator was 38.7±19.9 h. One patient died because of multiple organ dysfunction syndrome (MODS), 3 patients accepted the hemodialysis, 6 patients suffered from transient neurological dysfunction, 1 patient suffered from paraparesis. There was no further complication during the follow-up of 1-3 months. ConclusionThe modified total aortic arch replacement can shorten the circulatory arrest time, cardiac arrest time and cardiopulmonary time, provide effective organ perfusion, and reduce the neurological complication and visceral damage.

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