Browsing by Author "Demir, Ahmet"
Now showing items 1-20 of 35
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Accordion-style pedicle suspension in inferocentral pedicled mammoplasty
Simsek, Tekin; Engin, Murat Sinan; Abdullayev, Asef; Kucuker, Ismail; Demir, Ahmet; Eroglu, Lutfi (Taylor & Francis Ltd, 2016)Objective: In breast reduction surgery, while the primary objective may appear to be decreasing the breast volume, the ultimate goal is to achieve symmetrical, appealing, and sustainable breast cosmesis. To circumvent ... -
Are Grafts Necessary in Rhinoplasty? Cartilage Flaps with Cartilage-Saving Rhinoplasty Concept
Kucuker, Ismail; Ozmen, Selahattin; Kaya, Basar; Ak, Betul; Demir, Ahmet (Springer, 2014)Cartilage grafts are used routinely in rhinoplasty, but are they necessary? Can we support the normal anatomy by preserving and transposing the adjacent tissues? In this study we hypothesize that during rhinoplasty, cartilage ... -
Caudal Septal Support Versus Strut Graft in Achieving the Desired Lateral Profile in Rhinoplasty
Kucuker, Ismail; Engin, Murat Sinan; Aksakal, Ibrahim Alper; Yosma, Engin; Demir, Ahmet (Lippincott Williams & Wilkins, 2017)Nasal tip support is critical to achieve a lasting result in rhinoplasty. In this article, the authors compared the effects of strut grafts (SG) and caudal septum-based nasal tip supporting techniques (CSB-T) in terms of ... -
Columellar Scar Perception in Open Rhinoplasty. Interplay of Scar Awareness, Body Cathexis and Patient Satisfaction
Yagmur, Caglayan; Ak, Sertac; Engin, Murat Sinan; Evin, Nuh; Kelahmetoglu, Osman; Akbas, Hayati; Demir, Ahmet (Springer, 2017)Open and closed approaches for rhinoplasty have individual advantages and disadvantages; however, the resultant columellar scar of the open approach is directly considered as a disadvantage. This study focuses on the ... -
Comparison between Flexible Collagen and Vein Conduits Used for Size-Discrepant Nerve Repair: An Experimental Study in Rats
Demir, Ahmet; Simsek, Tekin; Acar, Murat; Aktas, Abit; Vlamings, Rinkse; Ayyildiz, Mustafa; Kaplan, Süleyman (Thieme Medical Publ Inc, 2014)Primary nerve repair is the gold standard in nerve reconstruction. When primary repair is not possible for injured nerves, conduit-assisted repair methods are frequently used. As conduits, autologous vein segments or ... -
Comparison of Free Anterolateral Thigh Flaps and Free Muscle-Musculocutaneous Flaps in Soft Tissue Reconstruction of Lower Extremity
Demirtas, Yener; Kelahmetoglu, Osman; Cifci, Mehmet; Tayfur, Volkan; Demir, Ahmet; Guneren, Ethem (Wiley-Liss, 2010)Background: The objective of this study was to compare the free muscle-musculocutaneous flaps and free perforator skin flaps used for soft tissue reconstruction of the lower extremities. Methods: Fifty-three patients whose ... -
Comparison of Oversized Artery and Vein Grafts for Interpositional Pedicle Lengthening in Rat Femoral Artery
Simsek, Tekin; Demir, Ahmet; Engin, Murat Sinan; Yildiz, Levent; Kelahmetoglu, Osman; Bek, Yuksel; Bayrak, Ilkay Koray (Thieme Medical Publ Inc, 2014)Vessel grafting is commonly used for revascularization or pedicle lengthening. Although veins are more commonly used, they can form aneurysms when bridging an arterial gap. This can lead to thrombosis, and the risk is ... -
Counter Autografting of Dorsal Septum in Crooked Nose
Yagmur, Caglayan; Evin, Nuh; Kelahmetoglu, Osman; Kucuker, Ismail; Kodalak, Enes Agah; Demir, Ahmet (Springer, 9999)Introduction The nasal septum plays an important role in nasal form and function. In this study, we describe a novel, alternative septoplasty approach that results in an aesthetically acceptable dorsal profile and improves ... -
The Effect of Chemodenervation by Botulinum Neurotoxin on the Degradation of Hyaluronic Acid Fillers: An Experimental Study
Kucuker, Ismail; Aksakal, Ibrahim Alper; Polat, Ahmet Veysel; Engin, Murat Sinan; Yosma, Engin; Demir, Ahmet (Lippincott Williams & Wilkins, 2016)Background: Early degradation is a common complaint for hyaluronic acid fillers. Although the combination of hyaluronic acid fillers with botulinum neurotoxin type A presented improved clinical results, objective measurement ... -
The Effect of Epigallocatechin Gallate on Flap Viability of Rat Perforator Abdominal Flaps
Aksakal, Ibrahim Alper; Kucuker, Ismail; Onger, Mehmet Emin; Engin, Murat Sinan; Keles, Musa Kemal; Demir, Ahmet (Thieme Medical Publ Inc, 2016)Background Epigallocatechin gallate (EGCG) is a substance abundant in green tea. In this study, the effects of EGCG on, perforator flap viability were investigated. Methods A total of 40 rats were assigned to four groups ... -
The Effect of Learning Curve on Flap Selection, Re-Exploration, and Salvage Rates in Free Flaps; A Retrospective Analysis of 155 Cases
Demir, Ahmet; Kucuker, Ismail; Keles, Musa Kemal; Demirtas, Yener (Wiley, 2013)The purpose of this study is to report our experience and learning curve in avoiding complications at both the recipient and donor sites as well in choosing the best flap for different anatomic locations. For this purpose ... -
The effect of mesenchymal stem cells and sildenafil on flap viability in perforator-based flaps for ischemia/reperfusion injury: An experimental study
Kelahmetoglu, Osman; Demir, Rukiye; Okten, Gulsen; Demir, Ahmet; Alpaslan Pinarli, Ferda; Diraman, Emine (Wiley, 2016)PurposeIn this study, we evaluated the individual and combined effects of mesenchymal stem cells (MSCs) and sildenafil citrate (SC) on the viability of pedicled perforator flaps in which ischemia/reperfusion injury developed ... -
The effect of tropical honey dressing on wound healing ın diabetic mice
Amaç: Bu çalışmanın amacı, diyabetik farelerde topical bal uygulamasının yara iyileşmesi üzerindeki etkisinin araştırılmasıdır. Araç ve Yöntem: Bu çalışmada, Streptozotosin ile diyabet indüklenmiş olan 27 adet İsviçre ... -
The Effect of Twisting on Single and Double Based Perforator Flap Viability: An Experimental Study in Rats
Keles, Musa Kemal; Demir, Ahmet; Kucuker, Ismail; Alici, Omer (Wiley, 2014)In this study, the histological and vital effects of rotation on multiple and single based perforator flaps were evaluated. A 6 cm x 6 cm abdominal perforator flap model was used on 80 male rats; half of these received a ... -
Embedding Exposed Subcutaneous Venous Ports in the Pectoral Muscle: A Practical and Stable Technique for Coverage
Kelahmetoglu, Osman; Demir, Ahmet; Yagmur, Caglayan; Demirtas, Yener; Guneren, Ethem (Aves, 2017)Objective: The aim of this study was to present our experience in embedding exposed subcutaneous venous ports in the pectoral muscle. Methods: In this study, six patients who consulted between January 2006 and November ... -
Etik açıdan nasıl karar verelim? Demanslı bir malign melanom vakası
Bu yazı bir etik konsültasyon bağlamında 80 yaşında, demanslı bir ileri evre malign melanom vakasının etik analizini içermektedir. Vaka ile birlikte Türkiye'de yaşlı bakımı, aydınlatılmış onam uygulaması ve etik konsültasyon ... -
Evaluation of forearm arterial repairs: Functional outcomes related to arterial repair
Keles, Musa Kemal; Simsek, Tekin; Polat, Veysel; Yosma, Engin; Demir, Ahmet (Turkish Assoc Trauma Emergency Surgery, 2017)BACKGROUND: There are few studies of single forearm arterial injury repair that compare long-term results of intact and obliterated forearm arterial repair. Aim of the present study was to compare long-term results of ... -
Humik asitlerin akarsulardan XAD reçineleri ile kazanılması ve Na+, K+, Ca++, Mg++ iyonlarını tutma kapasitelerinin incelenmesi / Ahmet Demir; Danışman Mustafa Özcimder.
Demir, Ahmet (Ondokuz Mayıs Üniversitesi, Fen Bilimleri Enstitüsü, 1993)Bu çalışmada hümik asitlerin akarsulardan XAD reçineleri ile kazanılması ve Naª, Kª, Caªª, Mgªª iyonlarını tutma kapasiteleri incelenmiştir.Son yıllarda yapılan çalışmalar HA lerin içme ve endüstriyel kullanım sularında ... -
Idiopathic scaphoid avascular necrosis in a patient with hypohidrotic congenital ectodermal dysplasia
Simsek, Tekin; Yosma, Engin; Demir, Ahmet (Springer, 2015)Hypohidrotic ectodermal dysplasia (HED), also called Christ-Siemens-Touraine (CST) syndrome, is a rare genetic syndrome that affects structures of ectodermal origin, such as the nails, teeth, hair, sweat glands, and skin. ... -
Influence of diabetes on critical flaps based on the vascular axis of a sensory nerve
Demir, Ahmet; Karacalar, Ahmet; Diraman, Emine; Simsek, Tekin; Korkmaz, Adnan; Sakallioglu, Eser (Taylor & Francis As, 2007)Delayed sural flap based on the vascular axis of the sural nerve has been advocated for coverage of diabetic foot ulcers. In this study we compared the survival of neurovenous and standard inferior epigastric island flaps ...
