• Department of Cardiac Surgery, Beijing Fu Wai Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100037, P. R. China;
YANJun, Email: yanjun.1112@aliyun.com
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Objective To analyze risk factors contributing to prolonged postoperative recovery after Fontan operation. Methods Clinical data of 60 patients undergoing Fontan operation between January 2012 and June 2013 in Beijing Fu Wai Hospital were retrospectively analyzed, including their demographic data, preoperative angiography and echocardiogram, and preoperative, intraoperative and postoperative hemodynamic data and blood test results. According to different length of hospital stay (LOS), all the 60 patients were divided into 2 groups. In the normal recovery group, there were 45 patients including 33 males and 12 females with their age of 5.7±1.7 years, whose LOS was shorter than 32.5 days. In the prolonged recovery group, there were 15 patients including 10 males and 5 females with their age of 4.9±1.6 years, whose LOS was longer than 32.5 days (over 75th percentile of LOS). LOS of the 60 patients ranged from 12 to 53 days, and 75th percentile of LOS was 32.5 days. Clinical results were compared between the 2 groups, and risk factors for prolonged postoperative recovery were analyzed. Results Preoperatively, their oxygen saturation by pulse oximetry was 80.5%±7.4%, ejection fraction (EF)was 64.1%±6.6%, Nakata index was 370.6±234.2 mm2/m2, Mcgoon ratio was 2.2±0.7, and pulmonary arterial pressure (PAP)was 12.4±4.0 mm Hg. Twenty-seven patients (45.0%)received Glenn procedure before Fontan operation at the age of 0.9-4.0 years, and the duration from Glenn procedure to Fontan operation was 1.0-5.1 years. Two patients (3.3%)died after Fontan operation. Cardiopulmonary bypass time of 55 patients who received Fontan operation under parallel circulation was 112.0±52.4 minutes. Aortic cross-clamping time of 5 patients who received concomitant repair of intracardiac anomalies under circulatory arrest was 44.8±9.2 minutes. The duration of mechanical ventilation was 18.8±6.4 hours, and ICU stay was 5.1±2.1 days. Univariate analysis showed that risk factors for prolonged postoperative recovery included higher preoperative PAP (P < 0.05), lower preoperative EF (P < 0.05), right ventricle as functional single ventricle (P < 0.05), previous Glenn procedure history (P < 0.05), concomitant total anomalous venous connection (P < 0.05), higher postoperative lactate level (P < 0.05), higher postoperative central venous pressure (P < 0.05), the need for greater volume of fluid resuscitation during the first 24 hours postoperatively (P < 0.05), long duration of chest drainage (P < 0.05)and postoperative infection (P < 0.05). Conclusion Short-term clinical results of Fontan operation for the treatment of functional single ventricle are satisfactory. Careful assessment and appropriate management of risk factors are helpful to improve postoperative recovery after Fontan operation.

Citation: ZHANGYa-juan, YANJun, LIShou-jun, WANGQiang, YANPeng, JIANGRui. Risk Factors Associated with Prolonged Recovery after Fontan Operation. Chinese Journal of Clinical Thoracic and Cardiovascular Surgery, 2014, 21(3): 312-317. doi: 10.7507/1007-4848.20140088 Copy

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