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RISS 인기검색어
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- 저자 : Ahmet Kara (검색결과 2 건)
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The Healing Effects of Autologous Mucosal Grafts in Experimentally Injured Rabbit Maxillary Sinuses
Murat Topdag,Ahmet Kara,Esma Konuk,Necdet Demir,Murat Ozturk,Sebla Calıskan,Deniz Ozlem Topdag,Arif Ulubil,Ibrahim Gurkan Keskin,Mete Iseri 대한이비인후과학회 2016 Clinical and Experimental Otorhinolaryngology Vol.9 No.1
Objectives. Healing processes of the nose and paranasal sinuses are quite complex, and poorly understood. In this study, we aimed to compare the effect of mucosal autologous grafts on the degenerated rabbit maxillary sinus mucosa with spontaneous wound healing. It is hypothesized that mucosal grafts will enhance ciliogenesis and improve the morphology of regenerated cilia. Methods. Ten female New Zealand rabbits were included in the study. They underwent external maxillary sinus surgery through a transcutaneous approach. A total of 20 maxillary sinuses were randomly divided into 2 groups: ‘spontaneous healing group’ and ‘autologous graft group.’ The animals were sacrificed at the 14th day after the surgery. Scanning electron microscope (SEM), and light microscope were used for the evaluation. Results. Cellular composition of the graft group is better than the spontaneous healing group. The graft group had larger areas covered with ciliary epithelium than the spontaneous healing group, and the mean length of the cilias were also longer. Additionally, there were wider cilia with abnormal morphology areas in the spontaneous healing group. Conclusion. In our opinion, covering of the denuded areas with a graft improves re-epithelization, and may prevent the early complications after sinus surgeries.
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Poster Session:PS 0481 ; Nephrology : Analgesic Nephropathy Associated with Total Anuria
( Yaloin Onem ),( Ali Kutlu ),( Seyit Ahmet Uslu ),( Barbaros Basbug ),( Muslum Sagir ),( Yusuf Hazcerli ),( Mustafa Hatipoglu ),( Kemal Kara ),( Ramazan Arikan ) 대한내과학회 2014 대한내과학회 추계학술대회 Vol.2014 No.1
Introduction and Aim:While ischemia and nefrotoxins account for almost 45 % of all acute renal failure cases, prerenal (caused by congestive cardiac failure, liquid insuffi - ciency, sepsis and medication) azotemia accounts for around 20%. Among nefrotoxins, nonstereoid anti-infiammatory drugs (NSAII) may affect kidneys through multiple mechanisms (causing hemodynamic, acute allergic interstitial nephritis, papillary necrosis or glomerular nephritis). Herein, we present a patient who developed analgesic nephropathy associated with total anuria. Case: A patient with a medical history of benign prostatic hyperplasia, coronary artery disease, hypertension and tuberculosis was admitted to our department of emergency with complaints of dyspnea and headache. Laboratory examination revealed the following Results: urea: 138 mg/dL, kreatinin: 5,20 mg/dL, BK: 19300, ALT: 319 U/L AST: 324 U/ L LDH: 1947 U/L. The patient was diagnosed with total anuria. Because the patient had a history of analgesic usage, he was scheduled to undergo hemodialysis 3 times per week with a prediagnosis of analgesic nephropathy. Although initially renal function tests demonstrated a slight deterioration (urea: 177 mg/dL and creatinine: 8 mg/dL) they displayed a gradual decrease following ongoing hemodialysis sessions and consequently returned to normal (urea: 48 mg/dL and creatinine: 1, 25 mg/dL). The patient also received piperacillin/tazobactam 3x 2, 25 gr/day due to a concern for aspiration pneumonia. Diagnostic bronchoscopy results were in compliance with fi brosis at microscopic level. Conclusion/Recommendations: Analgesic nefropathy should be investigated when inquiring for the etiology of acute renal failure. Patients with total anuria should receive comprehensive treatment comprising renal replacement therapy such as hemodialysis. Additionally, interstitial lung disease and overlapping aspiration pneumonia may complicate the condition. Therefore, they also should be considered. Even patients with total anuria may return to normal life following a comprehensive and rigorous approach.
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