Person: ARABACI, ELİF
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Publication Open Access Comparison of tomographic and colonoscopic diagnoses in the presence of colonic wall thickening(2014-01-01) Ince, ALİ TÜZÜN; BAYSAL, Birol; KAYAR, Yusuf; Arabaci, ELİF; Bilgin, MEHMET; HAMDARD, Jamshid; YAY, Adnan; Senturk, HAKAN; İNCE, ALİ TÜZÜN; ARABACI, ELİF; BİLGİN, MEHMET; ŞENTÜRK, HAKANIntroduction and objective: Colonic wall thickening is a common condition in a number of benignant and malignant diseases. This study investigated the accuracy of radiological diagnoses in patients diagnosed with colonic wall thickening using multislice CT (MDCT). Materials and method: Files of patients with colonic wall thickening diagnosed with 64-slice MDCT were reviewed retrospectively. The colonoscopy results of these patients were grouped under neoplastic process (cancer and adenomatous polyp), inflammatory bowel disease (IBD), diverticulitis and other etiology (nonspecific events, ischemic colitis, solitary rectal ulcer, external compression, secondary to volvulus and radiotherapy), and the results were statistically evaluated. p values < 0.05 were considered statistically significant. Results: The study was performed on 505 files (290 males [57.4%], 215 females [42.6%], mean age: 49.15 ± 18.4 years). CT and colonoscopic diagnoses were reviewed and the following CT to colonoscopy ratios was observed: neoplastic process: 44.4% vs. 40.2%; IBD: 42.4% vs. 42.4%; diverticulitis: 4% vs. 4.2%; other etiology: 9.3% vs. 3.2%. Colonoscopy failed to identify pathology in 9.9% of the patients. The sensitivity, specificity, PPV, NPV and accuracy of CT were 95.6%, 90.4%, 87.1%, 96.8% and 92.4%, respectively, in detecting neoplastic processes; 97.2%, 97.9%, 97.2%, 97.9% and 97.6%, respectively, in detecting IBD; 90.5%, 99.8%, 95%, 99.6% and 99.4%, respectively, in detecting diverticulitis, and 50%, 96,7%, 62.5%, 94.6% and 92%, respectively, in detecting other etiology. Conclusion: While, accuracy of 64 slice-CT in diagnosing colonic wall thickenings secondary especially to neoplastic processes, IBD and diverticulitis was significantly higher, but differential diagnosis is challenging in pathologies due to other etiologies.Publication Metadata only Does CPAP treatment lead to gastroesophageal reflux in patients with moderate and severe OSA?(2017-03-01) OZCELIK, Hatice; KAYAR, Yusuf; DANALIOGLU, Ahmet; ARABACI, ELİF; Uysal, Omer; YAKAR, Fatih; KART, Levent; ARABACI, ELİF; UYSAL, ÖMERObstructive sleep apnea (OSA) leads to upper respiratory tract obstruction, causing increased abdominal-gastric pressure and decreased lower esophageal sphincter (LES) pressure and thus gastroesophageal reflux (GER). Continuous positive airway pressure (CPAP) is known to be an effective method for OSA treatment, but its effect on GER is still controversial. There are a very few studies investigating CPAP and GER relationship and performed based on pre- and post-treatment objective parameters of GER in patients with OSA. The study investigated the effect of CPAP treatment in patients with moderate and severe OSA without GER complaints on pre- and post-treatment objective GER parameters. The study included 25 patients with respiratory disturbance indices > 15 without reflux symptoms who had undergone polysomnography at sleep laboratory. Age, sex, body mass index (BMI), waist, and neck circumference of the patients were documented. DeMeester score, LES pressure, and polysomnography parameters were evaluated pre- and post-CPAP. The results were statistically evaluated, and p value 0.05) was found comparing pre-CPAP and post-CPAP measurements. Objective criteria show that CPAP treatment does not cause reflux in patients with OSA. Unlike studies reported in the literature, this conclusion has been reached by pre- and post-CPAP assessments.Publication Metadata only Esophagus motility in overt hypothyroidism(2014-07-01) Ilhan, MAHMUT MUZAFFER; Arabaci, ELİF; Turgut, SEDA; Karaman, Ozcan; DANALIOGLU, Ahmet; Tasan, ERTUĞRUL; İLHAN, MAHMUT MUZAFFER; ARABACI, ELİF; TURGUT, SEDA; KARAMAN, ÖZCAN; TAŞAN, ERTUĞRULPurpose Gastrointestinal tract is one of the most affected systems in hypothyroidism. Despite decreased esophageal emptying, prolonged esophageal and gastric transit time have been indicated in previous reports, the mechanism of thyroid hormones activity and antibodies on the esophagus motility is not yet fully understood. This study was conducted to evaluate the esophagus motility by manometry in hypothyroid patients.Publication Open Access Gastroenterology cases of cutaneous leukocytoclastic vasculitis.(2013-01-01) SENTURK, H; ARABACI, ELİF; YILDIZ, KEMALETTİN; CAKIRCA, MUSTAFA; ÇıKRıKÇıOĞLU, MA; ERGUN, F; DANALIOGLU, A; KOCAMAN, O; KARATOPRAK, CUMALİ; ARABACI, ELİF; YILDIZ, KEMALETTİN; ÇAKIRCA, MUSTAFA; ŞENTÜRK, HAKANRarely, leukocytoclastic vasculitis can result from ischemic colitis, inflammatory bowel disease, and cryoglobulinemia. There is no established standard for the treatment of leukocytoclastic vasculitis associated with gastroenterologic diseases. This paper presents three cases of leukoytoclastic vasculitis, each of which is associated with a different gastroenterologic condition: ischemic colitis, Crohn’s disease, and chronic hepatitis C. Each condition went into remission by treatment of leukocytoclastic vasculitis, regardless of the underlying disease.Publication Metadata only Effect of pantoprazole and Helicobacter pylori therapy on uninvestigated dyspeptic patients(2015-01-01) BAYSAL, Birol; Senturk, HAKAN; MASRI, Omar; TOZLU, Mukaddes; KAYAR, Yusuf; ARABACI, ELİF; Uysal, Omer; BUGDACI, Mehmet Sait; Ince, ALİ TÜZÜN; ŞENTÜRK, HAKAN; ARABACI, ELİF; UYSAL, ÖMER; İNCE, ALİ TÜZÜNBackground/Aims: This study aimed to test the efficacy of empirical proton pump inhibitor use and Helicobacter pylori therapy for uninvestigated dyspepsia in a population with a high prevalence of H. pylori.Publication Open Access Acromegaly can be associated with impairment of LES relaxation in the oesophagus(2015-09-01) Ilhan, MAHMUT MUZAFFER; DANALIOGLU, Ahmet; Turgut, SEDA; Karaman, Ozcan; Arabaci, ELİF; Tasan, ERTUĞRUL; İLHAN, MAHMUT MUZAFFER; TURGUT, SEDA; KARAMAN, ÖZCAN; ARABACI, ELİF; TAŞAN, ERTUĞRULIntroduction: Although prolonged small intestine and colonic transit time has been demonstrated in acromegaly patients, the influence of acromegaly on oesophagus motility and the pathological mechanisms involved are still not clarified. We aimed to investigate manometric measurements to ascertain whether oesophagus motility is affected in active acromegaly patients. Material and methods: The study was performed in an institutional referral centre at a tertiary care hospital. Twenty-three acromegaly patients (mean age 43.2 ± 13.2 years) and 25 sex- and age-matched healthy control subjects (mean age 48.6 ± 7.9 years) were recruited to a case-control study. Oesophageal manometry was performed using MMS (Medical Measurement Systems, Netherlands) Solar GI — Air Charged Intelligent Gastrointestinal Conventional Manometry. Results: In manometric measurements the lower oesophageal sphincter pressure was 18 ± 7 mmHg in acromegaly patients and 15.6 ± 4.4 mm Hg in controls, and there was no significant difference (p = 0.17). The percentage of relaxation was 64.8% and 81.8%, respectively, and it was significantly lower in acromegaly patients than in controls (p < 0.001). Additionally, the duration of relaxation was found to be 4 ± 1.9 seconds and 5 ± 1.7 seconds in patients and controls, respectively (p = 0.049). Conclusions: Our study has demonstrated a significant reduction in the percentage and duration of lower oesophageal sphincter relaxation in oesophagus motility even in acromegaly patients without any gastrointestinal symptoms. Further clinical and pathophysiological studies are required to clarify the underlying mechanisms of gastrointestinal motility disorders in acromegalyPublication Metadata only Endosonography and elastography in the diagnosis of esophageal tuberculosis(2013-01-01) KOCAMAN, Orhan; Senturk, HAKAN; DANALIOGLU, Ahmet; TURKDOGAN, Kursat; Arabaci, ELİF; YILDIZ, Kemal; Ince, ALİ TÜZÜN; ŞENTÜRK, HAKAN; ARABACI, ELİF; İNCE, ALİ TÜZÜN