Bezmialem Vakif University DSpace Openaccess Platformu

Welcome to the Open Access System!

This site is Bezmialem Vakif University Academic Open Access System. The system was established in June 2019 in order to store the academic outcomes of Bezmialem Vakif University in digital standards and to provide them with open access. OpenAccess includes academic outputs such as articles, presentations, dissertations, books, book chapters and reports produced by Bezmialem Vakif University.

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Publication

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The effect of active smoking and secondhand smoke exposure on early outcomes of ambulatory surgery: A prospective observational study

(2024-06-01) GÜVEN B.; Sevinç C. K.; Özkaya B. Ö.; Soyhan O.; GÜVEN, BETÜL

Purpose: Since the hospital stay of patients after ambulatory surgery is short, it is important to determine the factors that may cause problems in the early postoperative period. Among these factors, the effects of which are not fully known are active smoking and secondhand smoke exposure. This study aimed to elucidate how active smoking and secondhand smoke exposure effect early outcomes of ambulatory surgery. Methods: A prospective observational study was conducted with 124 patients (42 active smokers, 40 nonsmokers exposed to secondhand smoke and 42 nonsmokers) who underwent ambulatory general surgery. Patients were closely monitored for cardiac and respiratory complications, as well as pain, opioid use, and nausea and vomiting until discharge from the hospital. Results: Postoperative complications were observed in 50.8 % of the patients. Hypotension was more common in active smokers compared with nonsmokers and nonsmokers exposed to secondhand smoke. Smokers were more likely to require postoperative supplemental oxygen therapy. Pain intensity at 1st and 4th hours after surgery was significantly higher in smokers (p < 0.005). In addition, nonsmokers exposed to secondhand smoke exhibited more severe pain than nonsmokers (p = 0.001). There were no statistically significant differences between the groups with regard to opioid consumption. Conclusion: Although smoking and secondhand smoke exposure are not associated with serious complications after ambulatory surgery, patients\" comfort and the success of ambulatory surgery may be negatively affected due to severe pain associated with smoking and secondhand smoke exposure.

Publication

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A new concept for mandible reconstruction after oncological resection: Multisegment virtual surgical planning

(2024-01-01) Ismayilzade M.; YILDIZ K.; Canter H. I.; YILDIZ, KEMALETTİN

Purpose: Virtual surgical planning (VSP) is good for three dimensional reconstructions in maxillofacial surgery, but it is not problem-free completely especially when the resection margins cannot be affirmed in preoperative period. We aimed to obtain an ideal reconstruction with elaborating VSP to be prepared for adverse conditions during surgery and to proceed the oncological resections step- by- step with A, B, and C resection planes. Patients and methods: Four patients undergoing multisegment VSP for the primary mandible malignancies were included in the study. The first resection margin was detected as plan A in VSP, and plans of B and C were also prepared considering the tumor- positive result of intraoperative frozen section procedure. Results: Following the tumor resection, margins were extended to the plan B in two patients, and plan C in one patient in accordance with the results of the frozen section procedure.Histogram comparison of the localizations of osteotomies in mandible and fibula, and positions of the implants were calculated at a confidence level of 95 % (p > 0.95) and mean difference was found -0.55 mm, while standard deviation was 1.76 mm. Conclusion: Multisegment virtual surgical planning seems to achieve the optimal reconstruction with the staged resection preventing redundant removal of tumor- free structures like bone and teeth.