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Öğe Can Displaced Whole Zygomatic Bone as Bone Graft Be Reused for Zygomatic Bone Defect in a Neglected Tetrapod Fracture?(Lippincott Williams & Wilkins, 2011) Coban, Yusuf Kenan; Tenekeci, Goktekin; Elmas, Omer[Abstract Not Available]Öğe Combination of Negative Pressure Wound Therapy and Hyalomatrix Application for Soft Tissue Defect of the Great Toe(Sage Publications Inc, 2012) Coban, Yusuf KenanSoft tissue defect of the hallux can be particularly difficult to manage because of the absence of local muscle tissue for coverage. The author presents his experience of a combination therapy for severe posttraumatic soft tissue defect of the hallux in a young patient.Öğe Comparision of clinical and histopathological results of hyalomatrix usage in adult patients(E-Century Publishing Corp, 2012) Erbatur, Serkan; Coban, Yusuf Kenan; Aydin, Engin NasuhiClinical and histopathological results of the hyaluronic acid skin substitute treatment of the patients who admitted to Inonu University Medical Faculty Plastic Reconstructive and Aesthetic Surgery clinic between january 2011 and march 2012 were evaluated. The patients were divided into two groups. HA were used for treatment of Hypertrophic scar (HS) or Keloid (K) in 10 patients of the first group. Skin biopsies obtained at peroperative and postoperative 3rd month were subjected to histopathologic examination in this group. In the second group, 10 patients with full thickness soft tissue loss secondary to burns, trauma or excisional reasons were also treated with HA application. Vancouver scar scale were used to determine the scar quality in both groups. Mean age was 25. 2 +/- 10.2 and mean follow-up duration was 6.3 +/- 3.6 months in group 1. Preoperative and postoperative VSS scores in group 1 were 10.7 +/- 1.16 and 6.2 +/- 0.91, respectively. This difference was statistically significant (p<0,005). No HS or K development was seen in any patient in group 2 during the following period. Collagenisation scores of preoperative skin biopsies were significantly higher than postoperative scores (p<0,0001). Vascularisation scores of preoperative skin biopsies were significantly lower than postoperative scores (p<0,00001). The use of HA skin substitute in adults for treatment of HS or K provided the desired clinical healing in the 6 months' follow-up periods. At the same time, HA application as an alternative to other treatment modalities led to a durable skin coverage in full thickness tissue loss in adult patients.Öğe Diyastometamiyeli Polimasti(İnönü Üniversitesi Tıp Fakültesi Dergisi, 2011) Yuksel, Sengul; Coban, Yusuf KenanÇoklu meme oluşumu ile diğer konjenital anomaliler arasında olası ilişkiler gösterilmiş olmasına karşın diastometamyeli ve polimasti anomalilerinin ilişkisi daha önce bildirilmemiştir. Bu vakada, diastometamyeli ve polymastili on bir yaşındaki bir kız hasta kompleks fenotipinin genetik etiyolojisi ile birlikte araştırılarak sunuldu.Öğe Failure of replantation of middle forearm amputation exposed to hot environment(Wiley-Blackwell, 2013) Coban, Yusuf Kenan[Abstract Not Available]Öğe ?-Glucan treatment prevents progressive burn ischaemia in the zone of stasis and improves burn healing: An experimental study in rats(Elsevier Sci Ltd, 2013) Firat, Cemal; Samdanci, Emine; Erbatur, Serkan; Aytekin, Ahmet Hamdi; Ak, Muharrem; Turtay, Muhammed Gokhan; Coban, Yusuf KenanSaving the zone of stasis is one of the major goals of burn specialists. Increasing the tissue tolerance to ischaemia and inhibiting inflammation have been proposed to enable salvage of this zone. After a burn, excessive inflammation, including increased vascular permeability, local tissue oedema and neutrophil activation, causes local tissue damage by triggering vascular thrombosis and blocking capillaries, resulting in tissue ischaemia and necrosis. Oxygen radicals also contribute to tissue damage after a burn. However, macrophages play a pivotal role in the response to burn. We studied beta-glucan because of its many positive systemic effects that are beneficial to burn healing, including immunomodulatory effects, antioxidant effects (free-radical scavenging activity) and effects associated with the reduction of the inflammatory response. There were four test groups in this study with eight rats in each group. Group 1 was the control group, group 2 was administered a local pomade (bacitracin + neomycin sulphate), group 3 received beta-glucan (50 mg kg(-1), orally) + the local pomade and group 4 received beta-glucan. Burns were created using a brass comb model. Macroscopic, histopathological and statistical assessments were performed. Samples were harvested on the 3rd, 7th and 21 days for analysis. The neutrophilic infiltration into the zone of stasis was analysed on day 3. Macrophage infiltration, fibroblast proliferation, angiogenesis and re-epithelialisation ratios in the zone of stasis were analysed on days 7 and 21. The beta-glucan groups (groups 3 and 4) exhibited lower neutrophil counts on the 3rd day, and macrophage infiltration, fibroblast proliferation, angiogenesis and re-epithelialisation were very high in these groups on the 7th day. In particular, re-epithelialisation on the 21st day was significantly better in the beta-glucan groups. This study demonstrated that beta-glucan may prevent neutrophil-dependent tissue damage and burn-induced oxidative injury through its anti-inflammatory and antioxidant properties. We speculate that the inhibition of neutrophil activation preserves vascular patency by preventing capillary blockage. beta-Glucan is also a powerful macrophage stimulator, and is therefore very effective in saving the zone of stasis. (C) 2012 Elsevier Ltd and ISBI. All rights reserved.Öğe Greenstick Fracture of the Mandible in a Child(Lippincott Williams & Wilkins, 2017) Coban, Yusuf Kenan; Bekircan, Kagan[Abstract Not Available]Öğe An Ideal Composite Graft Donor Site for Postburn Alar Rim Deficiencies: Root of Helix(Lippincott Williams & Wilkins, 2010) Coban, Yusuf Kenan; Geyik, YilmazOne of the challenging postburn face deformities is alar rim defects or deformities. Small through-and-through defects of the nasal ala may be managed with a composite graft of auricular tissue, obtained from the earlobe, the helical rim, and the root of the helix. We use usually the root of the helix for postburn alar defect correction as a composite graft donor site. The advantage of these composite grafts is that the procedure is a single-stage operation with excellent contour correction and a well toleration of donor site morbidity by the patient.Öğe Isolated Congenital Hypoplasia of Nasal Lower Lateral Cartilages and Its Correction With Helical Rim and Conchal Cartilage Composite Grafts(Alliance Communications Group Division Allen Press, 2012) Coban, Yusuf Kenan; Dogan, Aysel; Erbatur, SerkanIsolated congenital absence of the alar cartilages and nasal septum is rarely reported. We report here an example for the phenotype of carbamazepine embryopathy with lower lateral cartilage hypoplasia and our surgical approach to solve the nasal problems. This unusual presentation and the literature surrounding infant nasal surgery are discussed.Öğe Juvenile Hyalin Fibromatosis as a Cause of External Nasal Obstruction(Lippincott Williams & Wilkins, 2013) Aytekin, Ahmet Hamdi; Coban, Yusuf Kenan[Abstract Not Available]Öğe A useful combination in the treatment of toxic epidermal necrolysis: Octenoidine dihydrocholoride solution and Aquacel-Ag(Elsevier Sci Ltd, 2011) Coban, Yusuf Kenan; Erbatur, Serkan; Aytekin, Ahmed Hamdi[Abstract Not Available]Öğe Wrapping degloved fingers with a distal-based radial forearm perforator flap: A repair method for multiple digital degloving injury(Turkish Assoc Trauma Emergency Surgery, 2017) Coban, Yusuf Kenan; Ocuk, Ozcan; Bekircan, KaanDegloving hand injuries present challenging situations to hand surgeons as they present with difficulties in reconstructive microsurgery, particularly in multiple digital injuries. Time is a limiting factor when multiple degloving finger amputations are present. Thus, we proposed a repair method for multiple degloving finger injuries that involves coverage with a distal-based reverse forearm flap of all injured fingers in a two-stage procedure. Early vigorous physical therapy after pedicle division of the flap at postoperative third week eliminates joint stiffness problems at wrist and metacarpophalangeal joints.
