The Annals of thoracic surgery
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Coronary artery bypass grafting has been based on cardiopulmonary bypass, myocardial protection, and the median sternotomy. The recent concept of minimally invasive coronary artery bypass grafting in selected patients has dramatically affected surgical management of coronary artery disease. Coronary artery bypass grafting of anterior coronary arteries with in situ internal mammary artery through a limited anterior thoracotomy is a procedure that is gaining acceptance. ⋯ In our experience minithoracotomy is a safe, simple, and minimally invasive procedure. Favorable cost/benefit ratio has been achieved owing to no early or late mortality and minimal early morbidity. Postoperative angiography and Doppler flow study revealed excellent predictive long-term results.
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The optimal management of patients with renal cell carcinoma with inferior vena cava tumor thrombus remains unresolved. Traditional approaches have included resection with or without the use of cardiopulmonary bypass. Chemotherapy has played a minor role except for biotherapeutic agents used for metastatic disease. ⋯ Resection of an intracaval tumor thrombus arising from renal cell carcinoma can be performed safely and can result in prolonged survival even in the presence of metastatic disease. In our experience, extracorporeal circulatory support was required only when the tumor thrombus extended into the heart.
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Minimally or less invasive surgical coronary revascularization has gained increasing interest along with new techniques and devices designed for easier and safer procedures. Until recently, it appeared questionable whether grafting techniques with avoidance of cardiopulmonary bypass techniques would allow adequate results compared with conventional techniques using cardioplegic arrest. ⋯ Using specially designed instruments for internal mammary artery access and epicardial surface stabilization, minimally invasive direct coronary artery bypass grafting procedures via a minithoracotomy avoiding cardiopulmonary bypass techniques may be applied safely and successfully, even in increased risk constellations.
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Recently the availability and the superiority of less invasive coronary artery bypass grafting on some selected groups of patients in the meaning of patient comfort and short hospital stay has been shown by some authors. We present here the clinical results of 40 patients operated on by minithoracotomy incision on the beating heart without using cardiopulmonary bypass mostly harvesting the left internal thoracic artery by videothoracoscopic assistance. ⋯ The results obtained from our experience suggest that coronary artery bypass grafting by minithoracotomy could be applied effectively and safely without overwhelming additional risk to the patient. Furthermore, it has some advantages in reducing operative trauma and cost and also improving patient comfort.