Browsing by Author "Yilmaz, Mesut"

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Spinal anesthesia in surgical treatment of lumbar spine tumors
(2020) Ogrenc, Ahmet; Akar, Ezgi; Koban, Orkun; Isik, Semra; Sener, Mesut; Yilmaz, Mesut; Dalbayrak, Sedat; 32619901
Objective: This study aims to show the feasibility of spinal anesthesia in lumbar spinal tumor surgery; share our data and experience. Patients and methods: : A retrospective review of 14 patients with high risk for general anesthesia due to severe comorbidities was carried out. Patients who underwent surgeries under spinal anesthesia for lumbar vertebral column or spinal cord tumors at a single center between 2007-2019 were evaluated. The final pathological diagnosis, operation time, and surgical procedures were analyzed. Also, preoperative and postoperative ad-vantages and disadvantages were determined. A comparison was performed with other 184 patients who were operated for spinal tumors in the same period under general anesthesia. Results: Maximum operation time was found 220 min, and the average operation time was 166 min. The most primary diagnosis was vertebral column metastasis. The mean age was 65.5 years. None of the patients required general anesthesia during surgery; however, two patients needed additional spinal anesthesia preoperatively, which was performed by the surgeon. Lumbar decompression and fusion were the most performed procedures. Conclusion: Spinal anesthesia is a feasible and useful method of anesthesia in lumbar spinal tumor surgery for especially elderly patients with American Society of Anesthesiologists (ASA) 3 or 4 score and high risk of general anesthesia.
Variables Determining Mortality in Patients With Acinetobacter Baumannii Meningitis/Ventriculitis Treated With Intrathecal Colistin
(2017) Ceylan, Bahadir; Arslan, Ferhat; Sipahi, Oguz Resat; Sunbul, Mustafa; Ormen, Bahar; Hakyemez, Ismail N; Turunc, Tuba; Yildiz, Yesim; Karsen, Hasan; Karagoz, Gul; Tekin, Recep; Hizarci, Burcu; Turhan, Vedat; Senol, Sebnem; Oztoprak, Nefise; Yilmaz, Mesut; Ozdemir, Kevser; Mermer, Sinan; Kokoglu, Omer F.; Mert, Ali; 28013184
Aim: To examine the variables associated with mortality in patients with Acinetobacter baumannii-related central nervous system infections treated with intrathecal colistin. Materials and methods: This multi-centre retrospective case control study included patients from 11 centres in Turkey, as well as cases found during a literature review. Only patients with CNS infections caused by multidrug-resistant or extensively drug-resistant Acinetobacter baumannii treated with intrathecal colistin were included in this study. The variables associated with mortality were determined by dividing the patients into groups who died or survived during hospitalisation, and who died or survived from Acinetobacter meningitis. Results: Among the 77 cases enrolled in the study, 35 were found through a literature review and 42 were cases from our centres. Forty-four cases (57.1%) were male and the median age was 48 years (range: 20-78 years). Thirty-seven patients (48%) died during hospitalisation. The variables associated with increased all-cause mortality during hospitalisation included old age (odds ratio, 1.035; 95% confidence interval (Cl), 1.004-1.067; p = 0.026) and failure to provide cerebrospinal fluid sterilisation (odds ratio, 0.264; 95% confidence interval, 0.097-0.724; p = 0.01). There is a trend (P=0.062) towards higher mortality with using of meropenem during meningitis treatment. Fifteen cases (19%) died from meningitis. There were no significant predictors of meningitis-related mortality. Conclusions: The mortality rate for central nervous system infections caused by multidrug-resistant or extensively drug-resistant Acinetobacter baumannii is high. Old age and failure to provide CSF sterilisation are associated with increased mortality during hospitalisation. (C) 2016 Published by Elsevier B.V.