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Treatment of perimembranous ventricular septal defect in children less than 15 kilograms: minimally invasive perventricular device occlusion versus right subaxillary small incision surgical repair / 中华胸心血管外科杂志
Chinese Journal of Thoracic and Cardiovascular Surgery ; (12): 527-532, 2015.
Article in Chinese | WPRIM | ID: wpr-480021
ABSTRACT
Objective To compare the treatment outcomes between minimally invasive perventricular device occlusion (MIPDO) and right subaxillary incision surgical repair(RSISR) on perimembranous ventricular septal defect(PmVSD) in children less than 15 kilograms.Methods From January,2010 to January,2013,a total of 530 infants(age < 3 years,weigh < 15 kg) with PmVSD enrolled and they were divided into two groups according to different treatment methods at random.Group 1 (265 cases) was arranged perventricular device closure with modified occluders through a lower partial median sternotomy under transesophageal echocardiography (TEE) guidance;group 2 (265 cases) was arranged surgical repair on cardiopulmonary bypass(CPB) through a right subaxillary small incision.A prospective randomized controlled study was performed between two groups on success rate,operation time,volume of blood loss and transfusion,length of intubation and ICU stay,complications,expenses and follow-up results etc.Results All patients in two groups obtained effective treatment with no death or serious life-threatening complications.Group 1255 cases (96.23%) underwent successfully MIPDO.The remainder 10 cases (3.77%) who failed in attempt were successfully converted to conventional open heart operation by extending the original incision.Different arrhythmias arose in 30 cases(11.76%),including incomplete left bundle branch block(ILBB) in 3 cases(1.18%),complete right bundle branch block(CRBB) in 3 cases(1.18%),incomplete right bundle branch block(IRBB) in 16 cases(6.27%),Ⅰ° atrioventricular block(Ⅰ°AVB) in 8 cases(3.14%);trivial residual shunt(RS) in 18 cases(7.06%);newly arose trivial tricuspid regurgitation(TR) in 29 cases(11.37%).Group 2All the patients(100%) underwent successful surgical repair through right subaxillary incision.Different arrhythmias occurred in 116 cases (43.77%),including transient complete atrioventricular block(CAVB) and ILBB in 2 cases respective(0.75%),junctional ectopic tachycardia(JET) in 1 cases(0.38%),CRBB in 61 cases(23.02%),IRBB in 52 cases(19.62%);trivial RS in 16 cases (6.04%);newly arose trivial TR in 11 cases(4.15%);heart dysfunction in 17 patients(6.42%).All patients were followed up for more than 12 months,and there were no newly happened or aggravated valve regurgitation or late onset CAVB in two groups.The final treatment effects are similar in both groups.But group 1 was significantly superior to group 2 in the aspects of operation time,volume of blood loss and consumption,length of intubation and ICU stay,hospitalizations and costs(all P < 0.05).The incidence of TR is higher in group 1 (P < 0.05),and that of right bundle branch block was higher in group 2 (P < 0.05).The incision is longer in group 2,but in a less exposed location.CPB is not needed in group 1,but anticoagulant drug is required for 3-6 months.Conclusion Both RSISR and MIPDO are effective treatment methods of PmVSD.Though having some limitations,MIPDO which characterized by simple procedure,minimal invasion,quick recovery,saving of medical resources could not only minimize the surgical trauma to patients,but also ensure the safety of operation to the maximum extent.However,the patient selection is vital.For selected patients,especially those of moderate PmVSDs with obvious clinical symptoms but no cardiac valve regurgitation,it is an ideal approach.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Controlled clinical trial / Practice guideline Language: Chinese Journal: Chinese Journal of Thoracic and Cardiovascular Surgery Year: 2015 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Controlled clinical trial / Practice guideline Language: Chinese Journal: Chinese Journal of Thoracic and Cardiovascular Surgery Year: 2015 Type: Article