Browsing by Author "Tekin, Hakan"

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Atipik Yerle Tipik Yerleşimli Ciltalt Mli Ciltaltıkitle: Boyunda Hidatik Kist
(2018) Beger, Burhan; Tekin, Hakan; Şimşek, Metin
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Bipediküllü Fibular Flep ile Tibia Rekonstrüksiyonu
(2016) Tekin, Hakan; Sultanoğlu, Yılmaz; Yüce, Serdar; Kahraman, Ahmet Nedim; Canbaz, Yasin
Tibia kemik kayıpları konjenital, enfeksiyon, tümöral oluşumlar ve travmalara bağlı olarak gelişebilir. Ekstremite kaybını önlemek için tibial kemiğin rekonstrüksiyonu şarttır. Rekonstrüksiyon için, distraksiyon osteogenezis, otojen kemik greftleri veya kemik flepleri kullanılabilir. Tibia yerine geçebilecek büyüklükte ve dayanıklılıkta otojen bir kemik bulmak oldukça zordur. Özellikle büyük tibia defektlerinde fibula kemik flebi rekonstrüksiyonda sıklıkla kullanılır. En büyük dezavantajı kalınlığının yeterli olmaması sebebi ile stres kırıklarına maruz kalabilmesidir. Burada sunulan olguda 22 yaşında sağ tibiada Gustilo tip III yaralanması olan hastanın 15 cm boyutundaki tibial kemik ve cilt-yumuşak doku defekti vardı. Aynı bacaktan hazırlanan bipediküllü fibula filebi ile onarım yapıldı. Cilt defekti örtümü için serbest anterolateral uyluk flebi (ALT) ile kapatıldı. Fibula flebi başarılı oldu. ALT flebi ise 72. saatte kullanıldı. Fibula üzeri ikinci seans uygulama ile kısmi kalınlıkta cilt grefti ile kapatıldı. Hastanın 12 aylık düzenli takibinde fibulaya kontrollü yük uygulandı. X-ray görünümünde fibula tamamen tibiaya adapte olmuş ve kalibrasyonu orijinal tibia çapının ¾ seviyesine ulaşmış olduğu görüldü. Her iki ekstremite boyu eşitti. Hasta desteksiz şekilde ayakta durabiliyor ve yürüyebiliyordu. Cerrahinin süresinin kısa olması, güvenilir ve dönor alan morbiditesinin düşük olması tekniğin avantajı iken kalibrasyon zayıflığına bağlı stres kırıklarına karşı dayanıksız olması dezavantajıdır
Effect of Brow Lifting Using Botulinum a Toxin on Upper Eyelid Height in Patients With Ptosis Undergoing the Frontal Sling Technique
(Lippincott Williams & Wilkins, 2013) Isik, Daghan; Tekin, Hakan; Karadag, Remzi; Bilgili, Serap Gunes; Atik, Bekir
In this study, brow lifting with botulinum A toxin was performed on patients whose ptosis was corrected using the frontal sling technique, and the effects of this application on ptosis were investigated. Seven patients ( with 12 eyelids) on whom the frontal sling procedure was performed using a tensor fascia lata graft were enrolled in the study. The patients underwent brow lifting using botulinum A toxin. Digital photographs of the patients were obtained before and 21 days after botulinum A injection. In digital imaging analysis, although a statistically significant elevation was detected in the eyelids and brows of the patients following botulinum A injection, it did not to lead to a significant difference in the degree of lagophthalmos. In the current study, this procedure was found to reduce the degree of ptosis without increasing the degree of lagophthalmos in patients who had previ-ously undergone ptosis correction using the frontal sling.
Gestational Gigantomastia After the Breast Reduction Surgery: a Case Report
(Medknow Publications & Media Pvt Ltd, 2011) Isik, Daghan; Kurdoglu, Zehra; Canbaz, Yasin; Tekin, Hakan; Atik, Bekir
Gestational gigantomastia is a rare and complex disorder characterized by massive enlargement of breasts during pregnancy and resulting in tissue necrosis, ulceration, infection. In most cases, gigantomastia is caused by an excess of circulating hormones or by the hypersensitivity of mammary tissue to normal hormone stimulation. Medical therapies to treat gestational gigantomastia are unpredictable in outcome. Breast reduction or mastectomy with delayed reconstruction is the preferred surgical procedure. If the mother is considering future pregnancies, mastectomy offers the lowest risk of recurrence. The present case with gestational gigantomastia is a patient who was underwent breast reduction using with free nipple reduction technique after the previous pregnancy.
Investigating the Effect of Korean Red Ginseng on the Viability of Random-Pattern Skin Flaps in Rats
(Lippincott Williams & Wilkins, 2017) Tekin, Hakan; Tekin, Gonul; Bulut, Gulay; Sargon, Mustafa Fevzi; Isik, Daghan
Objective: This experimental study investigated the efficacy of Korean Red Ginseng (KRG) extract in reducing the partial losses of random flaps. Method: Forty Wistar Albino rats were randomly distributed into 4 groups as (A) control group, (B) stress group, (C) oral KRG group, and (D) intraperitoneal KRG group. The modified McFarlane flap of 9 x 3 cm with a caudal pedicle was harvested from the back of the rats in all the groups. Korean Red Ginseng was administered to groups C and D at standard doses for 10 days. After 10 days, the flaps were removed in all groups and were examined macroscopically, histopathologically, histochemically, and biochemically. The results were statistically analyzed and compared among the groups. Results: The flap necrosis rates were significantly lower in groups C and D compared with groups A and B (P < 0.05). The vascular density, antioxidant activity, and hypoxia-inducible factor-1 alpha levels were significantly higher in the groups C and D compared with the groups A and B (P < 0.05). Although vascular density, hypoxia-inducible factor-1 alpha, and catalase levels were negatively correlated with the flap necrosis rates, there was a significantly positive correlation between malondialdehyde and necrosis rates. Conclusions: Korean Red Ginseng increases the viability of random pattern skin flaps, resulting in reduced rates of distal necrosis. Korean Red Ginseng has antioxidant activity and increases neovascularization.
Investigation of Ginseng's Effects on Viability of Random Pattern Skin Flaps in Rat Model
(2014) Tekin, Hakan; Işık, Dağhan
Plastik ve Rekonstrüktif Cerrahi alanın uğraştığı temel konular arasında yer alan yara ve doku kayıplarının tedavisinde random paternli flepler sıklıkla kullanılmaktadır. Random paternli fleplerin en-boy oranına bağlı olarak distalinde değişik oranlarda nekroz görülme olasılığı aksiyel fleplere göre daha fazladır. Nekroz riski random fleplerin kullanımını kısıtlayan temel sorunlardan biridir. Bu riski azaltmaya yönelik çok sayıda deneysel ve klinik çalışma yapılmıştır. Bu çalışmada Kore kırmızı ginsengin'in (KKG) random fleplerin canlılığı üzerine etkisi araştırılmıştır. Bu amaçla 50 adet Wistar-Albino cinsi rat beş gruba (A: kontrol grubu, B: stres grubu, C: oral ginseng grubu. D: intraperitoneal ginseng grubu ve E: çapraz karşılaştırma grubu) ayrılarak gruplarda modifiye dorsal Mc Farlane flep modeli kullanılmıştır. Gruplar arasında flep nekroz yüzdeleri, damar yoğunlukları, ekstravaze eritrosit sayıları, kollajen yoğunlukları, ödem yoğunlukları, polimorf nüveli lökosit (PMNL) sayıları, hypoxia inducible factor-1? (HIF-1?) düzeyleri, malondialdehit (MDA) düzeyleri, iskemi modifiye albümin (IMA) düzeyleri, katalaz (CAT) düzeyleri ve mitokondrion hasar oranları değerlendirilerek karşılaştırılmıştır. Ginseng verilen C, D ve E gruplarındaki nekroz oranları ve MDA düzeyleri belirgin olarak ginseng verilmeyen A ve B gruplarından düşük bulunurken HIF-1? ve CAT düzeyleri ise belirgin olarak yüksek bulundu. Grupların PMNL, ekstravaze eritrosit sayıları, ödem yoğunlukları ve IMA düzeyleri arasında anlamlı fark saptanmadı. A grubundaki kollajen yoğunluğu ve B grubundaki damar yoğunluğu diğer tüm gruplardan belirgin derece düşük izlendi. Mitokondrion hasarı en yüksek B grubunda izlenirken en az A grubunda izlendi. Sonuç olarak bu çalışmada ginsengin random flep sağkalımını arttırdığı, literatür ile uyumlu olarak da antioksidan ve neovaskülarizan etkilerinin olduğu saptandı. Ancak anti-inflamatuar etkinliği ve mitokondrion hasarı üzerindeki etkileri için ek çalışmalara ihtiyaç duyulmaktadır. Anahtar kelimeler: Ginseng, Kore kırmızı ginsengi, flep canlılığı, random flep, antioksidan.
Maxillofacial Trauma Cases Appliying To an Emergency Service: a Restrospective Study
(Medknow Publications & Media Pvt Ltd, 2011) Gonullu, Hayriye; Karadas, Sevdegul; Isik, Daghan; Kocak, Omer Faruk; Tekin, Hakan
Introduction: The goal of this study is to introduce the demographic and clinical attributions of maxillofacial trauma cases referred to emergency room of the regional hospital and display their etiologic causes. Material and Methods: The cases were reviewed retrospectively by utilizing their emergency service records and 246 cases with MFT who referred to Emergency Service of Yuzuncu Yil University were included between January 2006-September 2009. Results: Male percentage of the patients was 83.3 % and 16.7 % of them were female and the average age was 23.61 +/- 16.75. The most frequent reasons were falling from high (27.2%) and traffic accidents (27.2 %). When the situation was evaluated according to the bones of the face, maxilla fracture was observed the most (50.4 %). When other accompanying system traumas were studied, the 15.3% of the events were followed by head and 12.1% of the events were followed by extremity traumas. Many of the cases having fracture in maxillofacial bones were followed in a conservative way. Conclusion: In order to reduce the factors affecting mortality and morbidity, emergency service doctors should be knowledgeable about which face bones are affected by regional etiologic factors and which organ and systems can accompany maxillofacial traumas.
Reconstruction of the Tibia With a Bipedicle Fibular Flap
(Medknow Publications & Media Pvt Ltd, 2016) Kahraman, Ahmet; Yuce, Serdar; Tekin, Hakan; Canbaz, Yasin; Sultanoglu, Yilmaz
Tibial defects can be caused by trauma, congenital, osteomyelitis, or cancers. The tibia is the main bone for bearing the body. It is a big bone, and the difficulty of the reconstruction of tibia is importance to repair it. The fibular bone is a good provider for repairing the tibia defects. Generally, the repair was planned be a free vascularized flap. The most important disadvantage is the low calibration. In early age in particular, the original thickness of the tibia is reached after the surgery with a good follow-up process and rehabilitation. In this case; a 22-year-old female patient had a multi-part post-traumatic fracture of the left tibia and was administered to our plastic surgery inpatient clinic. The bone defect was reconstructed with a bipedicle fibular flap taken from the same leg. The fibula was embedded into the medulla with a screw plate, and fixation was applied with an external fixator. Wherefore the loss of skin, skin flap of fibula bottomed of perforators was not used. A vascularized anterolateral thigh flap, which was obtained from the other leg, was used to reconstruct the skin defect. One year after surgery, the bone viability was perfect. The integrity of the skeleton was created without shortening the leg. The rehabilitation of the patient was continued for repowering and resizing the fibula up to tibia. In this case report, we wanted to share our experience for repairing the tibia defect with using a bipedicle fibular flap.
Upper Extremity Injuries Due To Threshing Machine
(Turkish Assoc Trauma Emergency Surgery, 2012) Isik, Daghan; Ceylan, M. Fethi; Tekin, Hakan; Karadas, Sevdegul; Guner, Savas; Canbaz, Yasin
BACKGROUND The aim of this study was to report the patients who were admitted to our hospital with upper extremity injuries due to threshing machine, to determine the most appropriate classification, to estimate the treatment modalities, and to discuss the prevention methods. METHODS Twenty-five patients who had suffered injuries sustained by a threshing machine were retrospectively investigated. The patients were analyzed with respect to age, gender, admission month, hospitalization period, the type of injured tissue, and the treatment modality. RESULTS Twenty-four of the patients were male and one was female, and the mean age of the patients was 19.4 (2-51) years; 60% of the patients were under the age of 15. The patients were admitted most commonly in the month of August. CONCLUSION We believe that shielding the rotating components of farming machinery that cause injuries, informing and educating farming families (by physicians), forbidding the entrance of children to areas with agricultural machines, providing information to children in schools (in those regions with developing agriculture) about agricultural accidents and,. their prevention methods, and adjusting the working hours of farming personnel, especially in the hottest Months of the year, may be beneficial in preventing accidents due to farming machinery.