Person: GÜNEREN, ETHEM
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Publication Metadata only Sınıflandırma Dışı Damak Yarığı(2021-11-10T00:00:00Z) ASGARZADE, SUSAN; MEHDIZADE, TURAN; ÖZCAN, EBRU DIANA; EVİN, NUH; YILDIZ, KEMALETTİN; GÜNEREN, ETHEM; ASGARZADE, SUSAN; MEHDIZADE, TURAN; EVİN, NUH; YILDIZ, KEMALETTİN; GÜNEREN, ETHEMPublication Metadata only A Basic Algorithmic Surgical Approach for Nicolau Syndrome(2020-04-01T00:00:00Z) Yeniocak, Ali; Güneren, Ethem; Özkan, Mustafa; Temel, Metin; Kelahmetoğlu, Osman; YENİOCAK, ALİ; GÜNEREN, ETHEM; KELAHMETOĞLU, OSMANBackground: Nicolau syndrome (NS) is a rare complication that develops after the administration of intramuscular diclofenac sodium. The etiology and surgical treatments of 11 patients with NS were evaluated and studies in the literature were examined. The aim of this study was to compose a basic algorithm for surgical approaches to treat NS. Materials and methods: Eleven patients were evaluated for NS between December 2013 and January 2018. Two patients did not accept treatment, and nine patients underwent surgical debridement of necrotic tissues. The tissue defects of five patients were closed with a fasciocutaneous flap and, in four patients, the defects were repaired primarily. Results: No complications, such as wound infection, wound dehiscence, seroma, or flap necrosis, were encountered. Of the seven patients who received concurrent antibiotic therapy, no patient had any problems at their follow-up (2-30 months). The results were satisfactory from an aesthetic and functional point of view. Conclusion: NS was more frequent in women with a high body mass index and high fat in gluteal regions. We considered that any kind of medication could lead to NS. Different methods are discussed for treatment.Publication Metadata only The Role of Staged Cryosurgery and Three-Dimensional Computed Tomography Integrated Navigation System in the Surgical Management of Severe Involvement of Craniofacial Polyostotic Fibrous Dysplasia(2020-01-01T00:00:00Z) Dündar, Tolga Turan; YILDIZ, KEMALETTİN; DÜNDAR, TOLGA TURAN; MEHDIZADE, TURAN; GÜNEREN, ETHEMFibrous dysplasia (FD) is a developmental bone disorder caused by the hamartamatous proliferation of bone-forming cells. A 29-year-old male patient with diagnosis of FD was admitted to our clinic with the symptoms of severe craniomaxillofacial involvement of FD beginning from last year. Neurological examination revealed diplopia, horizontal nystagmus, conductive hearing loss, and partial vision loss. In his medical history, it was reported that he had undergone intramedullary nailing operation in his left femur due to a pathological fracture approximately 8 years ago in the orthopedics clinic of our institution. The patient underwent 3 consecutive surgeries by our plastic and neurosurgical team. The patient was followed-up in the neuro-intensive care unit between the surgical sessions and 1 week after the last operation. Afterwards, he was transferred to the neurosurgical department. No postoperative complication was detected. The preoperative signs were recovered. During his 6th month follow-up control-visit, all his preoperative symptoms were improved. In addition, the patient was satisfied with his postoperative cosmetic improvement. In conclusion, virtual surgical planning and intraoperative surgical navigation systems can make the challenging cases possible to operate with increasingPublication Metadata only Omuz Defektlerinin Lateral Torasik Arter Perforatör Propellar Fleple Rekonstrüksiyonu(2022-11-06) MEHDIZADE T.; EVİN N.; GÜNEREN E.; ÇAMLI M. F.; MEHDIZADE, TURAN; EVİN, NUH; GÜNEREN, ETHEM; ÇAMLI, MEHMET FATİHPublication Metadata only İp-Halat Yanıklarına Tedavi Yaklaşımları(2021-12-19T00:00:00Z) EVİN, NUH; GÜRAY EVİN, ŞEYDA; GÜNEREN, ETHEM; EVİN, NUH; GÜNEREN, ETHEMPublication Metadata only Evre 4 Bası Yaralarının Perforatör Propellar Fleple Rekonstrüksiyonu(2021-12-19T00:00:00Z) EKİCİ, REHA FURKAN; EVİN, NUH; GÜNEREN, ETHEM; EKİCİ, REHA FURKAN; EVİN, NUH; GÜNEREN, ETHEMPublication Metadata only Safen Ven Donör Alan Komplikasyonlarının Yönetimi(2021-12-19T00:00:00Z) EVİN, NUH; GÜRAY EVİN, ŞEYDA; GÜNEREN, ETHEM; EVİN, NUH; GÜNEREN, ETHEMPublication Open Access Generation of Bone Tissue Using Adipose Tissue-derived Stem Cells(2021-07-01T00:00:00Z) Baygol, Emre Gonenc; GÜNEREN, Ethem; Karaaltin, Mehmet Veli; Canter, Halil Ibrahim; Ozturk, Kahraman; Ovali, Ercument; Ozpur, Mustafa Aykut; YILDIZ, KEMALETTİN; Eyuboglu, Fatma; GÜNEREN, ETHEM; YILDIZ, KEMALETTİNObjective: Bone grafts and even bone substitutes do not meet all of the requirements of bony reconstructions. The aim of this study was to generate bone tissue from autologous adipose tissue-derived mesenchymal stem cells (ATDMSCs) and decellularised bone allografts. Methods: A 1.5 cm bone defect developed in the middle third of the rabbit's ulna. Reconstructions were carried out using miniplate and screws and interpositional autogenous bone grafts according to the designs of the groups: (1) No touch, (2) cryopreserved, (3) decellularised and (4) ATDMSCs-implanted decellularised bones. Before implantation, ATDMSCs in the last group were labelled with Q-dot and identified microscopically. Results: Graft recovery and irregular callus formation were observed in the first, second and forth groups. In the first group, the organisation of Haversian systems, the structure of the lacunae and the presence of canaliculi ossiums were observed; in the second group, approximately 40% of the Haversian canals contained blood vessels, and canaliculi ossiums in the form of thin filaments were found in 90% of the microscopically examined areas; in the third group, most Haversian canals were empty, most osteocyte canals were devoid of cells, and canaliculi ossiums were absent; in the fourth group, some of the Haversian canals contained blood vessels, and there were partly lacunae containing cells due to decellularisation, whereas in approximately 50% of the examined microscope areas, the presence of canaliculi ossiums with evidence of mesenchymal stem cells differentiated into osteocytes was demonstrated by Q-dot traced cells. Conclusion: In this study, the establishment of a proper niche environment for adipose-derived mesenchymal cells promotes their development into osteogenic cells.Publication Metadata only Kalp Pili Ekspozisyonlarının Kurtarılmasında Prepektoral Cebe Transpozisyon(2021-12-19T00:00:00Z) EVİN, NUH; GÜRAY EVİN, ŞEYDA; GÜNEREN, ETHEM; EVİN, NUH; GÜNEREN, ETHEMPublication Open Access Recommendations for management of diabetic foot ulcers during COVID-19 outbreak.(2020-06-05T00:00:00Z) Kelahmetoglu, Osman; Camlı, Mf; Kirazoglu, A; Erbayat, Y; Guneren, E; Asgarzade, S; Durgun, U; Mehdizade, T; Yeniocak, A; Yildiz, K; Sonmez, Ergun; KELAHMETOĞLU, OSMAN; ERGÜN, SELMA; GÜNEREN, ETHEMCOVID-19 pandemia began in Wuhan, China, in December 2019. A total of 1 878 489 people were infected and 119 044 people were lost because of the disease and its complications by 15 April. Severe morbidity and mortality complications are mostly seen in elderly and patients having comorbidities. Diabetic foot ulcers (DFUs) are one of severe complications of diabetes mellitus and it may require urgent surgical interventions. In this paper, we aimed to create a management algorithm to prevent the unexpected complications that may occur in the patients and health care workers during the evaluation of COVID-19 in DFU patients who require urgent surgical intervention. We advise the use of thorax computerised tomography for preoperative screening in all DFU patients with severe signs of infection and especially those requiring urgent surgery for both the detection of the possible undiagnosed COVID-19 in the patient for the need for close follow-up and protection of the surgical and anaesthesiology team.