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PubMed · 12793193

Off-pump myocardial revascularization using the Octopus tissue stabilizer system.

Predrag Milojević·Vojislava Nesković·Dragos Stojanović·Miroslav Jakovljević·Sava Nenić·Miodrag Perić·Dusko Nezić·Bosko Dukanović
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Abstract

Off-pump coronary artery bypass surgery (OPCAB) has changed the approach to contemporary coronary surgery. Development of new surgical devices and techniques has reduced morbidity and mortality during off-pump surgery. From March 2000-April 2002, a total of 136 patients underwent open heart surgery using off-pump technique and fast-track anesthesia at Dedinje Cardiovascular Institute. Octopus Medtronic coronary stabilizer was used for stabilization of targeted vessel. Arterial grafts were used 169 times and saphenous vein 69 times. Average number of anastomoses was 1,830,73 per patient. One patient (0.74%) died. Three patients (2.21%) underwent surgery revision due to postoperative bleeding and one (0.74%) because of graft dysfunction. Perioperative myocardial infarction was registered 2 times (1.47%), pneumothorax 3 times (2.21%), postoperative arrhythmias 11 times (8.09%), transitory ischemic attack once (0.74%) and deep wound infection once (0.74%). Twelve patients (8.82%) required prolonged inotropic support. Angiographies early revealed patent grafts in 8 patients (5.88%). OPCAB is a safe and effective alternative approach to coronary artery revascularization. Use of coronary stabilizer has improved the safety and quality of OPCAB surgery.

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Predrag Milojević, Vojislava Nesković, Dragos Stojanović, Miroslav Jakovljević, Sava Nenić, Miodrag Perić, Dusko Nezić, Bosko Dukanović. Off-pump myocardial revascularization using the Octopus tissue stabilizer system.. https://doi.org/10.2298/mpns0302080m

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PubMed2006

An alternative pathway for fibrinolysis is activated in patients who have undergone cardiopulmonary bypass surgery and major abdominal surgery.

INTRODUCTION: We conducted this prospective study in order to investigate the hypotheses that an alternative pathway for fibrinolysis is activated in patients who have undergone cardiopulmonary bypass (CPB) surgery and major abdominal surgery and that the levels of fibrin degradation products digested by polymorphonuclear neutrophil elastase (elastase-XDP) and the D-dimer increase in the patients' plasma. MATERIALS AND METHODS: We studied a total of 77 patients who were scheduled to undergo either CPB surgery (36 patients) or major abdominal surgery (41 patients) and then measured the elastase-XDP and D-dimer levels at several time points both during and after the surgeries. The CPB surgery was divided into surgery for aortic dissection (AD) and cardiac surgery. The major abdominal surgery consists of hepatic resection and esophagectomy. RESULTS: The elastase-XDP and D-dimer levels significantly increased in the patients who underwent both CPB surgery and major abdominal surgery. The elastase-XDP levels in AD surgery showed highest values at the end of the CPB, while the levels in the other surgeries reached their peak on the day after the surgery. Statistical difference was seen in the levels of elastase-XDP among the three subgroups undergoing a hepatic resection. While we found significant correlations between the levels of elastase-XDP and D-dimer in patients undergoing CPB surgery and a subsegmentectomy of a cirrhotic liver, the correlation coefficients were markedly low in comparison to those of the other surgeries. CONCLUSIONS: Our findings demonstrated that the elastase-mediated pathway of fibrinolysis is activated to varying degrees depending on the surgery performed. Variations in the correlation coefficients between the levels of elastase-XDP and D-dimer may suggest that elastase-mediated fibrinolysis play a different role from the physiological fibrinolysis mediated by plasmin.

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