• Department of Anesthesiology, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Diseases, Beijing 100029, P. R. China;
CHENGWei-ping, Email: ch_eng9735@sina.com
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Objective To analyze perioperative prognostic factors of pediatric patients undergoing surgical correction of ventricular septal defect (VSD)and severe pulmonary arterial hypertension (PAH). Methods Forty pediatric patients with VSD and severe PAH (mean pulmonary artery pressure (PAPm) < 50 mm Hg)who underwent surgical repair in Beijing Anzhen Hospital from 2004 to 2012 were included in the study. There were 21 male and 19 female patients with their age of 7.2±3.3 years and body weight of 19.6±7.1 kg. All the patients were randomly divided into 2 groups:Group Ⅰ (Group=0, n=20, M/F:12/8, continuous nitroglycerin administration via central venous catheter (CVC)and GroupⅡ (Group=1, n=20, M/F:9/11, continuous prostaglandin E1 (PGE1)administration via CVC). The duration of intubation (Tintubation)was used as the dependent variable (Y). Patient age, cardiopulmonary bypass time (TCPB), postoperative PAPm, pulmonary vascular resistance index (PVRI), systemic to pulmonary pressure ratio (Ps/p), Group, left ventricular stroke work index (LVSWI)and right ventricular stroke work index (RVSWI)were used as independent variables (X). Multivariate liner regression analysis model was used to evaluate the influence of X on Y. Results There was no perioperative death or severe complication in this group. Perioperative prognostic factors of pediatric patients undergoing surgical correction of VSD and severe PAH included group[x1, P=0.004, 95% CI (-71, -16)], TCPB[x2, P=0.011, 95% CI (0.9, 5.8)], posto-perative PAPm (x3, P=0.004 with 95% CI 3.2 to 13.3), RVSWI (x4, P=0.003 with 95% CI-16.9 to-4.3)and PVRI (x5, P=0.03 with 95% CI-0.29 to-0.02). The standardized regression equation was:Y=-0.60x1+0.54x2+2.22x3-1.70x4-0.15x5. Conclusion PGE1 administration, TCPB, postoperative PAPm, RVSWI and PVRI are predominant perioperative prognostic factors of pediatric patients undergoing surgical correction of VSD and severe PAH.

Citation: JINMu, LIShu-wen, LUJia-kai, CHENGWei-ping. Analysis of Perioperative Prognostic Factors of Pediatric Patients Undergoing Surgical Correction of Ventricular Septal Defect and Severe Pulmonary Arterial Hypertension. Chinese Journal of Clinical Thoracic and Cardiovascular Surgery, 2014, 21(3): 318-321. doi: 10.7507/1007-4848.20140089 Copy

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