Esternotomia parcial mediana em H. Um novo acesso para a cirurgia cardíaca

Objective: Minimally invasive heart surgeries are approaches used to reduce trauma, to give better cosmetic results and to reduce hospital costs with the same safety as conventional surgery. This study was designed to compare the operative results from patients who underwent minimally invasive aortic valve replacement with those who were submitted to the standard procedure.Method: The operative and immediate postoperative results of 12 consecutive patients who received minimally invasive isolated aortic valve replacements from June 2002 to February 2003 were compared to 12 patients who underwent to traditional approach in the same institution. The minimally invasive access used was superior median hemisternotomy where cardiopulmonary bypass was established through ascending aorta and right atrium cannulation, similar to the traditional technique.Results: The demographics of the patients were similar in both groups. There were no significant differences between aortic clamping time, total bypass time and operating time. The skin incision length was statistically shorter in the minimally invasive group. In the postoperative course, the mechanical ventilation time and the total hospital stay were shorter, but not statistically significant, in the minimally invasive group. The morbidity was the same in two groups.Conclusions: This surgical approach provides adequate exposure of the cardiac structures necessary to perform a safe valve replacement. With the same instruments used in the traditional surgery we can offer the benefits of a less invasive access with the same efficiency as in the conventional approach without adding any risks to our patients. Descriptors

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Acesso minimamente invasivo para troca da valva aórtica: resultados operatórios imediatos comparativos com a técnica tradicional

Tyszka

Watanabe

Cabral

et al. 2004

Rev Bras Cir Cardiovasc

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Safety and Efficacy of the Transaxillary Access for Minimally Invasive Aortic Valve Surgery

Wilbring¹,

Alexiou²,

Schmidt³

et al. 2023

Medicina

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Background and Objectives: Transaxillary access is one of the latest innovations for minimally invasive aortic valve replacement (MICS-AVR). This study compares clinical performance in a large transaxillary MICS-AVR group to a propensity-matched sternotomy control group. Materials and Methods: This study enrolled 908 patients undergoing isolated AVR with a mean age of 69.4 ± 18.0 years, logistic EuroSCORE of 4.0 ± 3.9%, and body mass index (BMI) of 27.3 ± 6.1 kg/m2. The treatment group comprised 454 consecutive transaxillary MICS-AVR patients. The control group was 1:1 propensity-matched out of 3115 consecutive sternotomy aortic valve surgeries. Endocarditis, redo, and combined procedures were excluded. The multivariate matching model included age, left ventricular ejection fraction, logistic EuroSCORE, pulmonary hypertension, coronary artery disease, chronic lung disease, and BMI. Results: Propensity-matching was successful with subsequent comparable clinical baselines in both groups. MICS-AVR had longer skin-to-skin time (120.0 ± 31.5 min vs. 114.2 ± 28.7 min; p < 0.001) and more frequent bleeding requiring chest reopening (5.0% vs. 2.4%; p < 0.010), but significantly less packed red blood cell transfusions (0.57 ± 1.6 vs. 0.82 ± 1.6; p = 0.040). In addition, MICS-AVR patients had fewer access site wound abnormalities (1.5% vs. 3.7%; p = 0.038), shorter intensive care unit stays (p < 0.001), shorter ventilation times (p < 0.001), and shorter hospital stays (7.0 ± 5.1 days vs. 11.1 ± 6.5; p < 0.001). No significant differences were observed in stroke > Rankin 2 (0.9% vs. 1.1%; p = 0.791), renal replacement therapy (1.5% vs. 2.4%; p = 0.4762), and hospital mortality (0.9% vs. 1.5%; p = 0.546). Conclusions: Transaxillary MICS-AVR is at least as safe as AVR by sternotomy and can be performed in the same time frame. Its advantages are fewer transfusions and quicker postoperative recovery with a significantly shorter hospital stay. The cosmetic result and unrestricted physical abilities due to the untouched sternum and ribs are unique advantages of transaxillary access.

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Esternotomia parcial mediana em H. Um novo acesso para a cirurgia cardíaca

Cited by 2 publications

References 15 publications

Acesso minimamente invasivo para troca da valva aórtica: resultados operatórios imediatos comparativos com a técnica tradicional

Acesso minimamente invasivo para troca da valva aórtica: resultados operatórios imediatos comparativos com a técnica tradicional

Safety and Efficacy of the Transaxillary Access for Minimally Invasive Aortic Valve Surgery

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