Dataset Information

Use of Virtual Reality for Hybrid Closure of Multiple Ventricular Septal Defects.

ABSTRACT: A 28-month-old girl with multiple ventricular septal defects previously underwent surgical and transcatheter attempts at repair. Three-dimensional models were created from cardiac magnetic resonance-derived images. Viewing the models in virtual reality allowed the team to precisely locate the defects and decide on a hybrid transcatheter and surgical approach to ensure successful repair. (Level of Difficulty: Advanced.).

SUBMITTER: Ghosh RM

PROVIDER: S-EPMC8543163 | biostudies-literature | 2021 Oct

REPOSITORIES: biostudies-literature

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Use of Virtual Reality for Hybrid Closure of Multiple Ventricular Septal Defects.

Ghosh Reena M RM Mascio Christopher E CE Rome Jonathan J JJ Jolley Matthew A MA Whitehead Kevin K KK

JACC. Case reports 20211020 14

A 28-month-old girl with multiple ventricular septal defects previously underwent surgical and transcatheter attempts at repair. Three-dimensional models were created from cardiac magnetic resonance-derived images. Viewing the models in virtual reality allowed the team to precisely locate the defects and decide on a hybrid transcatheter and surgical approach to ensure successful repair. (<b>Level of Difficulty: Advanced.</b>). ...[more]

PMID: 34729504

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Project description:BackgroundThis study was done to investigate the potential additional role of virtual reality, using three-dimensional (3D) echocardiographic holograms, in the postoperative assessment of tricuspid valve function after surgical closure of ventricular septal defect (VSD).Methods12 data sets from intraoperative epicardial echocardiographic studies in 5 operations (patient age at operation 3 weeks to 4 years and bodyweight at operation 3.8 to 17.2 kg) after surgical closure of VSD were included in the study. The data sets were analysed as two-dimensional (2D) images on the screen of the ultrasound system as well as holograms in an I-space virtual reality (VR) system. The 2D images were assessed for tricuspid valve function. In the I-Space, a 6 degrees-of-freedom controller was used to create the necessary projectory positions and cutting planes in the hologram. The holograms were used for additional assessment of tricuspid valve leaflet mobility.ResultsAll data sets could be used for 2D as well as holographic analysis. In all data sets the area of interest could be identified. The 2D analysis showed no tricuspid valve stenosis or regurgitation. Leaflet mobility was considered normal. In the virtual reality of the I-Space, all data sets allowed to assess the tricuspid leaflet level in a single holographic representation. In 3 holograms the septal leaflet showed restricted mobility that was not appreciated in the 2D echocardiogram. In 4 data sets the posterior leaflet and the tricuspid papillary apparatus were not completely included.ConclusionThis report shows that dynamic holographic imaging of intraoperative postoperative echocardiographic data regarding tricuspid valve function after VSD closure is feasible. Holographic analysis allows for additional tricuspid valve leaflet mobility analysis. The large size of the probe, in relation to small size of the patient, may preclude a complete data set. At the moment the requirement of an I-Space VR system limits the applicability in virtual reality 3D echocardiography in clinical practice.

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.

Project description:BackgroundPostinfarction ventricular septal defect (VSD) is a catastrophic complication of myocardial infarction. Surgical repair still has poor outcomes. This report describes clinical outcomes after a novel hybrid transcatheter/surgical repair in patients with apical VSD.MethodsSeven patients with postmyocardial infarction apical VSD underwent hybrid transcatheter repair via subxiphoid surgical access. A transcatheter occluder (Amplatzer Septal Occluder) with a trailing premounted suture was deployed through the right ventricular wall and through the ventricular septum into the left ventricular apex. The trailing suture was used to connect an anchor external to the right ventricular wall. Tension on the suture then collapses the right ventricular free wall against the septum and left ventricular occluder, thereby obliterating the VSD. Outcomes were compared with 9 patients who underwent surgical repair using either patch or primary suture closure.ResultsAll patients had significant left-to-right shunt (Qp:Qs 2.5:1; interquartile range [IQR, 2.1-2.6] hybrid repair versus 2.0:1 [IQR, 2.0-2.5] surgical repair), and elevated right ventricular systolic pressure (62 [IQR, 46-71] versus 49 [IQR, 43-54] mm Hg, respectively). All had severely depressed stroke volume index (22 versus 21 mL/m2) with ≈45% in each group requiring mechanical support preprocedurally. The procedure was done 15 (IQR, 10-50) versus 24 (IQR, 10-134) days postmyocardial infarction, respectively. Both groups of patients underwent repair with technical success and without intraprocedural death. One patient in the hybrid group and 4 in the surgical group developed multiorgan failure. The hybrid group had a higher survival at discharge (86% versus 56%) and at 30 days (71% versus 56%), but similar at 1 year (57% versus 56%). During follow-up, 1 patient in each group required reintervention for residual VSD (hybrid: 9 months versus surgical: 5 days).ConclusionsEarly intervention with a hybrid transcatheter/surgical repair may be a viable alternative to traditional surgery for postinfarction apical VSD.

Dataset Information

Use of Virtual Reality for Hybrid Closure of Multiple Ventricular Septal Defects.

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Use of Virtual Reality for Hybrid Closure of Multiple Ventricular Septal Defects.

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