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Early result of minimally invasive cardiac myxoma resection at University Medical Center, Ho Chi Minh City
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Abstract
Objective: The study aimed to evaluate various clinical and paraclinical characteristics, as well as early surgical outcomes of minimally invasive cardiac myxoma resection at University Medical Center HCMC.
Subjects and methods: This is a retrospective descriptive case series study involving all patients diagnosed with cardiac myxomas who underwent minimally invasive surgery at University Medical Center HCMC from January 2020 to June 2024.
Results: There were 31 patients, consisting of 22 females and 9 males. The mean age was 56,2 ± 10,7 years old (from 37 to 77 years old). The clinical manifestations were diverse: asymptomatic (45,2%), cerebral embolism (6,4%), fatigue (29,0%), dyspnea (35,5%), palpitations (12,9%), and dizziness (12,9%). Echocardiographic results: 90,3% left atrial myxoma, 9,7% right atrial myxoma. The tumor attachment sites: interatrial septum (93,6%), left atrial wall (6,4%). The average tumor size was 36,3 ± 15,1 mm. All tumors were completely resected (100%). Additional surgical procedures: mitral valve repair (3,2%), interatrial septum repair (6,4%). Cardiopulmonary bypass time was 82,4 ± 31,1 minutes (from 49 to 199 minutes), cross - clamp time was 39,2 ± 17,6 minutes (from 18 to 85 minutes), with 3 cases not requiring cardiac arrest. Ventilation time was 13,2 ± 6,3 hours (from 6,7 to 32,4 hours), intensive care unit stay was 52,6 ± 28,1 hours (from 13 to 113,7 hours), postoperative recovery time was 6,9 ± 2,3 days (from 4 to 16 days). Early outcomes: 3 cases of atrial fibrillation with rapid ventricular response, treated medically (9,7%), 1 case of acute kidney injury (3,2%), 4 cases of pleural effusion (12,9%), 3 cases of pneumothorax (9,7%), 1 case of right external iliac artery thrombosis requiring surgical thrombectomy (3,2%), and 2 cases of deep vein thrombosis (6,4%). No surgical site infections, cerebrovascular accidents, or mortality within 30 days post-surgery were reported.
Conclusion: Minimally invasive cardiac myxoma resection demonstrates a low complication rate, with no reported tumor recurrence or early postoperative mortality. This technique offers a safe and effective alternative to traditional median sternotomy and may be gradually adopted and implemented in lower - level healthcare facilities.
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Keywords
Cardiac myxoma, left atrial myxoma, right atrial myxoma, minimally invasive cardiac surgery
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