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Accuracy of transesophageal echocardiography in the identification of postoperative intramural ventricular septal defects.

ABSTRACT: BACKGROUND:Intramural ventricular septal defects (VSDs), residual interventricular communications occurring after repair of conotruncal defects, are associated with poor postoperative outcomes. The ability of intraoperative transesophageal echocardiography (TEE) to identify intramural VSDs has not yet been evaluated. METHODS:Intraoperative TEE and postoperative transthoracic echocardiography (TTE) data in all patients undergoing all biventricular repair of conotruncal anomalies in our hospital between January 1, 2006, and June 30, 2013, were reviewed. The ability of TEE to accurately identify residual defects was assessed using postoperative TTE as the reference imaging modality. RESULTS:Intramural VSDs occurred in 34 of 337 patients evaluated; 19 were identified by both TTE and TEE, and 15 were identified by TTE only. Sensitivity was 56% and specificity was 100% for TEE to identify intramural VSDs. Peripatch VSDs were identified in 90 patients by both TTE and TEE, in 53 by TTE only, and in 15 by TEE only, yielding a sensitivity of 63% and specificity of 92%. Of the VSDs requiring catheterization or surgical reintervention, 6 of 7 intramural VSDs and all 5 peripatch VSDs were identified by intraoperative TEE. TEE guided the intraoperative decision to return to cardiopulmonary bypass (CPB) in an attempt to close residual defects in 12 patients with intramural VSDs and in 4 patients with peripatch VSDs seen after initial CPB; of these, 10 intramural VSDs and all 4 peripatch VSDs resolved or became smaller on final intraoperative TEE. CONCLUSIONS:TEE has modest sensitivity but high specificity for identifying intramural VSDs and can detect most defects requiring reintervention. Repeat attempts at closure in the index operation may successfully correct intramural VSDs identified by TEE.

SUBMITTER: Patel JK

PROVIDER: S-EPMC7178077 | biostudies-literature | 2016 Sep

REPOSITORIES: biostudies-literature

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Accuracy of transesophageal echocardiography in the identification of postoperative intramural ventricular septal defects.

Patel Jyoti K JK Glatz Andrew C AC Ghosh Reena M RM Jones Shannon M SM Ravishankar Chitra C Mascio Christopher C Cohen Meryl S MS

The Journal of thoracic and cardiovascular surgery 20160411 3

<h4>Background</h4>Intramural ventricular septal defects (VSDs), residual interventricular communications occurring after repair of conotruncal defects, are associated with poor postoperative outcomes. The ability of intraoperative transesophageal echocardiography (TEE) to identify intramural VSDs has not yet been evaluated.<h4>Methods</h4>Intraoperative TEE and postoperative transthoracic echocardiography (TTE) data in all patients undergoing all biventricular repair of conotruncal anomalies in ...[more]

PMID: 27183884

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Project description:BackgroundPercutaneous closure of residual ventricular septal defects (VSDs) after congenital heart surgery may provide a safer and more efficient alternative to redo surgery. This study aimed to evaluate the outcome of transcatheter closure of residual postoperative VSD.MethodsThis multicenter retrospective cohort study was conducted at the tertiary care institutions of King Faisal Specialist Hospital and King Abdulaziz University Hospital, Saudi Arabia, from March 2012 to March 2022. All patients who underwent transcatheter closure of postoperative residual VSD were included. As catheter closure of VSD related to surgical patches is challenging, patients were divided into two groups. Group 1 comprised patients with VSD related to the surgical patches, while Group 2 included residual muscular VSD. Various occluders and approaches were utilized based on the patient's weight and the VSD type, size, and proximity to the cardiac valves. Demographic, echocardiographic, catheterization, and outcome data were collected and analyzed using descriptive and comparative statistics.ResultsThirty-three patients underwent 37 VSD catheter closure procedures. Twenty-two procedures were done to close residual VSD related to the surgical patch, while fifteen were done for additional muscular VSD. The median age of the patients was 3.3 years, and the interquartile range (IQR) ranged between 9 months and 7 years. The median weight was 13.1 kilograms, with an IQR of 5.1 to 16.8 kilograms. The median pulmonary to systemic flow ratio (QP/QS) was 1.6 with an IQR of 1.5 to 2.44; the median systolic pulmonary pressure was 46 mmHg with an IQR of 32 to 54 mmHg. The median procedure duration was 120 minutes, with an IQR of 90 to 160 minutes. Patients in Group 1 were older and had a lower mean pulmonary pressure than Group 2 (P=0.02, P=0.007, respectively). Of the 37 procedures, 35 (94.6%) were done successfully, while two patients had redo surgery due to failed procedures (one had device embolization). Ten successful catheterizations were performed for infants weighing ≤5 kilograms. The functional heart failure class improved significantly after the closure of the residual VSD. There were three documented mortalities, none related to the procedure. No significant difference between patient groups regarding hospital stay or survival (P=0.660, P=0.791, respectively).ConclusionsAfter congenital heart surgery, transcatheter closure of residual VSD may be a safe and effective alternative to surgical closure. It can be applied to various residual VSD using a variety of occluders with satisfactory results. Moreover, using specific approaches can close residual VSD, even in small infants.

Dataset Information

Accuracy of transesophageal echocardiography in the identification of postoperative intramural ventricular septal defects.

Publications

Accuracy of transesophageal echocardiography in the identification of postoperative intramural ventricular septal defects.

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