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Single Middle Eastern Center Experience In Minimally Invasive Mitral Valve Surgery
Walid Abukhudair1, bayan AH alshaikh2, abdulkarim abukhodair1.
1KFAFH, Jeddah, Saudi Arabia, 2KFAFH, jeddah, Saudi Arabia.

Objective: Our aim was to evaluate our center experience and outcomes in Minimally invasive mitral valve surgery (MIMVR) through right mini-thoracotomy.Methods: Between January 2005 until November 2021, a total of 886 patients underwent mitral valve surgery (MV) with (730) 82% isolated MV surgery and (156) 18% with concomitant Tricuspid valve (TV) surgery underwent MIMVS surgery at King Fahad Armed Forces Hospital (KFAFH). The mean age was 39 20 years and the mean LVEF was 45.6% 7.2 %. The Average logistic EuroSCORE was 10.2 % 4.4%. The performed procedure was mitral valve replacement in 306, mitral valve repair 580 in which 526 received annuloplasty,121 received new chordea ,160 posterior leaflet resection,20 leaflet extension. Patients had an average follow-up of 36 12 months.Results: Intra-operatively patients had a mean bypass time of 140 60 min, cross-clamp time 70 30 min, and conversion to sternotomy 0.45% in 4 patients. Overall in-hospital mortality was 0.33% with 3 in-hospital deaths, mean ICU stays 4 2 days (d), and length of stay (LOS) 7 2 d. Stroke rate was 0.2% in 2 patients, no lower limb ischemia, and 2.4 % 22 patients with groin wound infection . 4 years follow up showed functional class NYHA I in 90.7% II in 5.9% III &IV IN 3.3%, freedom from MV-related reoperation was 95% and survival was 96%.
Conclusions: Our experience in MIMVS shows that all surgical strategies for mitral valve pathologies are safe and feasible with excellent both short, midterm outcomes and improved patient satisfaction.

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