Person: ÖZBEK, SERHAT
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ÖZBEK
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SERHAT
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Publication In vivo use of n-butyl-2-cyanoacrylate in cleft palate surgery and a comparison of its efficacy with suture material(İstanbul Üniversitesi, 2021-01-03) Karabulut, Furkan; Özbek, Serhat; ÖZBEK, SERHAT; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Plastik ve Rekonstrüktif Cerrahi Anabilim Dalı.; JKS-6969-2023Objective: In this experimental work, we aimed to compare the efficacy of two different methods of combining the mucoperiosteal flaps in an animal model: using a tissue adhesive material N-butyl-2-cyanoacrylate (Glubran (R) 2) and the classical suturing technique in cleft palate surgery.Methods: Rats were separated into group A and B. In group A (n=12) mucoperiosteal flaps were brought together with absorbable suturing material, while in group B (n=12), adhesive material was used for the same purpose. Palatal mucosa healing was evaluated histologically in terms of inflammatory cell infiltration, fibroblastic activity and vascularization on the postoperative 8th and 16th days.Results: As a result of this experimental study, there were no differences macroscopically in palatal mucosa healing in both groups. Histologically, on day 8, the inflammation severity was higher in the suture material group and the difference was statistically significant. On day 16, fibroblastic activity was significantly lower in the suture material group. There was no significant difference between the groups in terms of vascularity.Conclusion: As a result of these findings, Glubran (R) 2 was found to be easily usable and effective with low complication rates, moreover, it was a practical tissue adhesive material for merging mucosal flaps in the midline of the palate.Publication Outcomes of elderly burn patients requiring hospitalization(Taylor ve Francis, 2015-06-01) Şimşek, Muhammed Eren; Özgenel, G. Yeşim; Kahveci, Ramazan; Akın, Selçuk; Özbek, Serhat; Tufan, Fatih; ÖZGENEL, GÜZİN YEŞİM; KAHVECİ, RAMAZAN; AKIN, SELÇUK; ÖZBEK, SERHAT; Uludağ Üniversitesi/Tıp Fakültesi/Plastik, Rekonstrüktif ve Estetik Cerrahi Anabilim Dalı.; 0000-0003-3245-1618; 0000-0003-1683-0722; 0000-0003-0000-8355; AAH-5064-2021; AAH-5441-2021; AAH-4233-2021; AAG-4626-2019Background: The elderly population is more likely to be affected by accidents, such as burns, compared to younger populations because of their diminished host defense. There is limited data about the outcomes of elderly burn patients requiring hospitalization.Methods: In this retrospective study, we assessed the epidemiology and outcomes of burn injuries in elderly patients (>60 years old) admitted to a burn unit of a tertiary medical center based on patient characteristics, type and extent of burns, treatment, hospital stay and mortality rates.Results: Forty-eight elderly burn patients among 870 burn patients during the study period were evaluated. Fire was the most common cause of burns (77.1%). Most of the burns involved more than 20% of total body surface area. Twenty-six (54.2%) patients died during hospitalization. Although burn surface area slightly and non-significantly increased in patients over 75 years, there was a significantly increased mortality rate in these patients. Multivariate linear regression analysis revealed burn area and age as independent associates of mortality.Conclusion: Our data show a high mortality rate in elderly burn patients. Extensive burns and increased age seem to increase the mortality risk.Publication Identification of mast cells and immunophenotypic subtypes in peripheral nerve damage caused by epineurotomy and systemic inflammation(Wolters Kluwer Medknow Publications, 2023-01-01) Yavaş, Özkan; YAVAŞ, ÖZKAN; Yavaş, Senem Esin; Kavruk, Kaan; KAVRUK, KAAN; Özbek, Serhat; ÖZBEK, SERHAT; Ersoy, Semiha; ERSOY, SEMİHA; Bursa Uludağ Üniversitesi/Veteriner Fakültesi; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Histoloji ve Embriyoloji Anabilim Dalı.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Plastik Cerrahi Anabilim Dalı.; KHD-4075-2024Purpose: This study aims to investigate the numerical increase, localization, granulation status, and immunophenotypic properties of mast cells (MCs) in epineurectomy-induced nerve damage and lipopolysaccharide (LPS)-induced systemic infection models. Materials and Methods: In this study, the animals were divided into three groups of 6 each. One of the groups was determined as the control group, epineurectomy was applied to one group, and systemic inflammation was created by regular LPS injections in the other group. Then, the obtained nerve tissues were stained histochemically with Hematoxylin and Eosin toluidine blue, and the increase, localization, and granulation status of MCs were examined. Immunohistochemically, antitryptase and antichymase staining were performed to determine the immunophenotypes of MCs. Results: As a result, while the number of MCs increased in both groups compared to the control group, MCs in the LPS group were in the epineurium, and MCs in the epineurotomy group were located between the nerve fibers. While MCs in the LPS group showed very severe degranulation, mild degranulation was observed in the epineurotomy group, and almost no degranulated MCs were observed in the control group. Conclusion: This study is critical because it is one of the first studies to compare MCs in different nerve damage types and examine the expression of chymase and tryptase.