Objectives: Cardiac tumors are a rare and heterogeneous entity, with a cumulative incidence of up to 0.02%. This study aimed to investigate one of the largest patient cohorts for long-term outcomes after minimally-invasive cardiac surgery using right-anterior thoracotomy and femoral cardiopulmonary bypass (CPB) cannulation.
Methods: Between 2009 and 2021, patients who underwent minimally-invasive cardiac tumor removal at our department were included. The diagnosis was confirmed postoperatively by (immune-) histopathological analysis. Preoperative baseline characteristics, intraoperative data, and long-term survival were analyzed.
Results: Between 2009 and 2021, 183 consecutive patients underwent surgery for a cardiac tumor at our department. Of these, n = 74 (40%) were operated on using a minimally-invasive approach. The majority, n = 73 (98.6%), had a benign cardiac tumor, and 1 (1.4%) had a malignant cardiac tumor. The mean age was 60 ± 14 years, and n = 45 (61%) of patients were female. The largest group of tumors was myxoma (n = 62; 84%). Tumors were predominantly located in the left atrium in 89% (n = 66). CPB-time was 97 ± 36min and aortic cross-clamp time 43 ± 24 min s. The mean hospital stay was 9.7 ± 4.5 days. The perioperative mortality was 0%, and all-cause mortality after ten years was 4.1%.
Conclusion: Minimally-invasive tumor excision is feasible and safe, predominantly in benign cardiac tumors, even in combination with concurrent procedures. Patients who require cardiac tumor removal should be evaluated for minimally-invasive cardiac surgery at a specialized center, as it is highly effective and associated with good long-term survival.
Keywords: Cardiac masses; Cardiac surgery; Cardiac tumors; Fibroelastoma; Metastases; Minimally-invasive surgery; Myxoma.
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