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RISS 인기검색어
- 검색키워드
- 저자 : ( Oya Ovunc Kurdas ) (검색결과 4 건)
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( Fatih Guzelbulut ),( Mesut Sezikli ),( Zuleyha Akkan Cetinkaya ),( Selvinaz Ozkara ),( Can Gonen ),( Ayse Oya Kurdas Ovunc ) 대한소화기학회 2013 Gut and Liver Vol.7 No.1
Background/Aims: Low gamma-glutamyltransferase (GGT) level was shown to be an independent predictor of a sustained virological response (SVR) in chronic hepatitis C. We aimed to determine factors associated with high GGT level, and to evaluate whether low GGT level is an independent predictor of a SVR in chronic hepatitis C genotype 1. Methods: We retrospectively reviewed our data of patients with chronic hepatitis C genotype 1 treated with pegylated interferon-α and ribavirin. Baseline features were compared between patients with normal and high GGT levels. Factors associated with high GGT level and those associated with a SVR were determined by univariate and multivariate analysis. Results: This study included 57 patients. Mean age was 52.28±9.35 years. GGT levels was elevated in 27 patients (47.4%). GGT levels were normal in 63.3% of the patients who achieved a SVR and in 40.7% of those who did not achieve a SVR (p>0.05). By multivariate logistic regression analysis, the presence of cirrhosis (odds ratio [OR], 9.41; 95% confidence interval [CI], 1.08 to 102.61) and female gender (OR, 6.77; 95% CI, 1.23 to 37.20) were significantly associated with high GGT level, and only rapid virological response was associated with a SVR (OR, 8.369; 95% CI, 1.82 to 38.48). Conclusions: Low GGT level does not predict a SVR; however, it may be a predictor of high fibrosis scores. (Gut Liver 2013;7:74-81)
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The Relationship between Quiescent Infl ammatory Bowel Disease and Peripheral Polyneuropathy
( Zuleyha Akkan Cetinkaya ),( Yılmaz Cetinkaya ),( Mehmet Gencer ),( Mesut Sezikli ),( Hulya Tireli ),( Oya Ovunc Kurdas ),( Kayıhan Uluc ),( Onder Us ),( Tulin Tanrıdag ) 대한소화기기능성질환·운동학회 2011 Gut and Liver Vol.5 No.1
Background/Aims: Infl ammatory bowel disease is a chronic, recurrent disorder that involves multiple organ systems. Polyneuropathy is the most common neurological manifestation. The aim of the present study was to investigate the relationship between polyneuropathy and infl ammatory bowel disease. Methods: The study included 40 patients with infl ammatory bowel disease (20 with ulcerative colitis and 20 with Crohn`s disease) and 24 healthy controls. The patients had no clinical signs or symptoms of polyneuropathy. Nerve conduction studies were performed using an electroneuromyography apparatus. Results: Mean distal motor latencies, conduction velocities, and F wave minimum latencies of the right median nerve were signifi cantly abnormal in the patient group, compared to the healthy controls (p<0.05). Conclusions: Some electrophysiological alterations were observed in chronic infl ammatory bowel disease patients who showed no clinical signs. While investigating extra-intestinal manifestations in inflammatory bowel disease patients, nerve conduction studies must be performed to identify electrophysiological changes and subclinical peripheral polyneuropathy, which can subsequently develop. (Gut Liver 2011;5:57-60)
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( Mesut Sezikli ),( Zuleyha Akkan Cetinkaya ),( Fatih Guzelbulut ),( Atakan Yesil ),( Mustafa Erhan Altınoz ),( Nuriye Ulu ),( Ayse Oya Ovunc Kurdas ) 대한소화기기능성질환·운동학회 2012 Gut and Liver Vol.6 No.1
Background/Aims: The aim of this study was to evaluate the eradication rate of a triple therapy regimen that included a proton pump inhibitor, amoxicillin, and tetracycline instead of clarithromycin in treatment-naive patients and in patients who did not respond to standard triple therapy. Methods: This study included 110 patients infected with Helicobacter pylori. Patients in groups A and B were treatment-naive, and those in group C were not responsive to previous standard triple therapy. Patients in group A (n=40) received lansoprazole 30 mg b.i.d., amoxicillin 1,000 mg b.i.d., and clarithromycin 500 mg b.i.d. for 14 days. Patients in groups B (n=40) and C (n=30) received lansoprazole 30 mg b.i.d., amoxicillin 1,000 mg b.i.d., and tetracycline 500 mg q.i.d. for 14 days. Results: In group A, eradication was achieved in 18 (45%) of the 40 patients included in the intention-to-treat (ITT) analysis and in 18 (47.4%) of the 38 patients included in the per-protocol (PP) analysis. In group B, eradication was achieved in 15 (37.5%) of the 40 patients included in the ITT analysis and in 15 (39.3%) of the 38 patients included in the PP analysis. In group C, eradication was achieved in 14 (46.6%) of the 30 patients included in the ITT analysis and in 14 (43.8%) of the 29 patients included in the PP analysis. There was no statistically signifi cant difference among the 3 groups with regard to eradication rates (p>0.05). Conclusions: Despite the low rate of resistance to tetracycline, the combination of lansoprazole, amoxicillin, and tetracycline instead of clarithromycin is not a good option for the eradication of H. pylori. (Gut Liver 2012;6:41-44)
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( Atakan Yesil ),( Ebubekir Senates ),( Ibrahim Vedat Bayoglu ),( Emrullah Duzgun Erdem ),( Refi K Demirtunc ),( Ayse Oya Kurdas Ovunc ) 대한간학회 2011 Gut and Liver Vol.5 No.4
Background/Aims: Studies concerning red cell distribution width (RDW) for use in the assessment of infl ammatory bowel disease (IBD) activity are limited. We investigated whether RDW is a marker of active disease in patients with IBD. Methods: In total, 61 patients with ulcerative colitis (UC) and 56 patients with Crohn`s disease (CD) were enrolled in the study group, and 44 age- and-sex-matched healthy volunteers were included as the control group. A CD activity index >150 in patients with CD indicated active disease. Patients with moderate and severe disease based on the Truelove-Witts criteria were considered to have active UC. In addition to RDW, serum C-reactive protein levels, erythrocyte sedimentation rates, and platelet counts were measured. Results: Twenty-nine (51.7%) patients with CD and 35 (57.4%) patients with UC had active disease. The RDW was significantly higher in patients with CD and UC than in controls (p<0.001 and p<0.001, respectively). A subgroup analysis indicated that for a RDW cut-off of 14%, the sensitivity for detecting active CD was 79%, and the specicity was 93% (area under curve [AUC], 0.935; p<0.001). RDW was the most sensitive and specifi c marker for active CD. However, it was not valid for UC, as the ESR at a cutoff of 15.5 mm/hr showed a sensitivity of 83% and a specicity of 76% (AUC, 0.817; p<0.001), whereas the RDW at a cutoff of 14% showed 17% sensitivity and 84% specicity for detecting active UC. Conclusions: RDW was elevated in IBD in comparison with healthy controls and increased markedly in active disease. RDW may be a sensitive and specifi c marker for determining active CD, whereas ESR is an important marker of active UC. (Gut Liver 2011;5:460-467)
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