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    Abdominal aortic aneurysm surgery: retroperitoneal or transperitoneal approach?
    (Minerva Medica, 2006) Çınar, B.; Göksel, Onur; Kut, S.; Çetemen, Şebnem; Şahin, S.; Eren, Emin Ergen
    Aim. Mortality and morbidity of abdominal aortic aneurysm surgery have decreased significantly in time and transperitoneal approach (TPA) still preserves its popularity although retroperitoneal approach (RPA) is known to cause lower incidence and shortened duration of ileus, shorter intensive care unit (ICU) and hospital stay, earlier oral intake and less patient discomfort or pain. Methods. One hundred and fifty patients that underwent abdominal aortic aneurysm repair at our Cardiovascular Surgery Center between January, 1990 and March, 2000 were reviewed and analyzed based on the elective/emergent nature of the surgery and the type of the incision as either TPA or RPA. Results. Significantly shorter mechanical ventilation (15.2±3.8 vs 10.1±2.3 hours) and nasogastric decompression periods (40.6±10.7 vs 9.1±2.2 hours), less need for intravenous fluid supplementation and shorter ICU stay (29.5±14.8 vs 18.6±1.9 hours) were observed with the retroperitoneal approach (P<0.001). Need for allogeneic blood transfusion was, similar (1.3±1.4 vs0.9±0.4, P>0.05). Analysis of mortality and morbidity revealed bleeding as the major cause of mortality for ruptured aneurysm. A similar comparison between TPA and RPA groups, however, revealed no significant difference (P>0.05). Conclusion. Retroperitoneal approach is a reliable technique causing less fluid-electrolyte imbalance with rapid restoration of gastrointestinal physiology. It causes less discomfort to patients with reduced need for analgesia. A shorter weaning period from mechanical ventilation is among the benefits for patients with co-morbid states.
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    s routine intravascular shunting necessary for carotid endarterectomy in patients with contralateral occlusion? A review of 5-year experience of carotid endarterectomy with local anaesthesia
    (Elsevier, 2004) Çınar, B.; Göksel, O. S.; Karatepe, C.; Kut, S.; Aydoğan, Hakkı; Çetemen, Şebnem; Çoruh, T.; Eren, Ergin Emin
    Objectives: Endarterectomy of a stenotic internal carotid artery in the presence of contralateral carotid occlusion (CCO) is often assessed as a high-risk procedure. We have assessed the requirement for shunting in patients with CCO operated under local anaesthetic. Materials and methods: Between 1998 and 2003, 429 patients (319 males and 110 females, mean age 65.7+/-6.2, range 48-84) underwent 500 carotid endarterectomies under local anaesthetic with awake neurological testing. Fifty-five patients (12.8%) had CCO. Preoperative risk factors, intra- and postoperative events were noted and analyzed. Short-term and mid-term follow-up (mean 16.4+/-5.8 months, range 3-38 months) was also recorded. Results: The rate of shunting in patients with or without CCO (10.9% vs. 9.1%) was not significantly different. Stroke rates for CCO and non-CCO groups were 3.6 and 0.5%, respectively. Only the presence of preoperative cerebral infarction increased the risk of stroke. Patients that needed shunting were found to have significantly higher overall rate of adverse events, mortality and stroke. Conclusions: Routine use of intravascular shunting for a stenotic carotid artery with contralateral occlusion may not be necessary. The choice of using a shunt is safe when made intraoperatively by assessing the neurological status of the patient continuously. This requires expertise and strong cooperation between the anaesthesiologist and the surgical teams.