Totally Endoscopic Surgical Repair Of A Partial Atrioventricular Canal Defect In Adult Patients Using A 3d High Definition Endoscopic System
Nguyen Cong Huu, Dam Hai Son, Le Ngoc Thanh.
Cardiovacular centre - E Hospital, Ha Noi, Viet Nam.
BACKGROUND: When a partial atrioventricular canal defect is discovered in childhood, it must be repaired. However, some patients are discovered much later in life. The majority of previous studies used conventional sternotomies. Minimally invasive cardiothoracic surgery (MICS) has recently gained popularity. The purpose of this study is to assess the technique of Totally endoscopic Repair application of the 3D endoscopic system at our hospital for these patients.METHODS: Patients and procedures: From 12/2019 to 12/2022, 15 patients were operated on in a row. The average age is 38.7± 15.7 years. Male: 2, Female: 13Operative procedure: Patients were placed under general anesthesia and had double-lumen intubation. The femoral vessels and right internal jugular vein were used for peripheral cardiopulmonary bypass. Using a three-dimensional high-definition video system, surgical manipulations were performed through 5-12 mm working ports. For cardiac arrest, trans-thoracic Chitwood aortic clamping and antegrade Custodiol HTK cardioplegic solution administration via a needle inserted into the ascending aortic were used. Repair of lesions: closure of the left atrioventricular valve cleft, bovine pericardial patch for the ostium primum defect.RESULTS: All patients had a successful operation, atrioventricular valves were all in good function ; no one needed a sternotomy or thoracotomy; and no hospital death. There has been no difficulty, . The bypass and crossclamp times were143 ± 25.7 minutes and 85.5 ± 24.2 minutes, respectively. The average time to extubation was 4.9 ± 2.1 hours, the length of stay in the ICU was 2.75 ± 1.3 days, and the time to discharge was 6.3± 1.5 daysCONCLUSION: The 3D endoscopic system was used in a safe and simple manner, and the impressive 3D depth view allowed for easy and precise manipulation through small trocars, eliminating the need for a rib-spreading retractor. It has the benefits of less postoperative pain, a shorter recovery period, less surgical trauma, and a high cosmetic value with higher patient satisfaction. 
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