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Dive into the research topics where Melih Özel is active.

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Featured researches published by Melih Özel.


Helicobacter | 2003

Does N-acetyl cystein affect the sensitivity and specificity of Helicobacter pylori stool antigen test?

Levent Demirturk; Yusuf Yazgan; Orhan Tarçin; Melih Özel; Muhittin Diler; Oral Oncul; Sukru Yildirim

Background. N‐acetyl cystein, a mucolytic agent, might make Helicobacter pylori antigens shed more easily to stool, and might therefore contribute to the diagnostic accuracy of the Helicobacter pylori stool antigen test. The aim of this study is to investigate if N‐acetyl cystein contributes to the diagnostic accuracy of the Helicobacter pylori stool antigen test by increasing the sensitivity and specificity of the test.


Helicobacter | 2001

The effect of Helicobacter pylori eradication on gastric juice and blood ammonia concentrations and on visual evoked potentials in cirrhotics.

Levent Demirturk; Yusuf Yazgan; Ozgur Izci; Melih Özel; Erdem Togrol; Mustafa Gültepe; Ahmet Kemal Gürbüz; Sukru Yildirim

The primary source of ammonia is the gut. Ammonia can also be generated by the urease activity of Helicobacter pylori in the gastric mucosa. The aim of this study was to investigate the effect of H. pylori eradication on blood and gastric juice ammonia levels and on visual evoked potential (VEP) recordings in cirrhotic patients.


Acta Cytologica | 1996

Chemotherapy- and radiotherapy-induced cytologic alterations in the sputum of patients with inoperable lung carcinoma. Role in follow-up.

İbrahim Öztek; Huseyin Baloglu; Necdet Üskent; Zafer Kartaloglu; Ergün Uçmakli; Recep Aydilek; Osman Dorkip; Mustafa Yaylaci; Melih Özel

OBJECTIVE To define the light microscopic cytologic changes due to chemotherapy (CT) and/or radiotherapy (RT); to evaluate the differentiation of those changes according to treatment; to find out whether a relation exists between treatment type and its duration and the cytologic findings; and to determine the role of sputum cytology in evaluating efficacy of treatment and follow-up in patients with inoperable lung cancer of various histology. STUDY DESIGN A total of 1,605 periodic sputum samples from 80 cases of lung cancer obtained during treatment and follow-up were prospectively examined cytologically. The relationship of treatment type and duration to qualitative and semiquantitative data and the definability of the response to treatment as well as the relationship of progression-free survival (PFS) and total survival (TS) rates with cytologic data were evaluated. RESULTS The majority of therapy-induced cellular changes were in the nucleus and were directly related to the duration of treatment. An increase in minimally affected tumor cells, tumor cells that lost their pathologic features and necrotic cell debris were good indicators of therapeutic efficacy. Cytologic changes did not reflect PFS and TS rates. CONCLUSION Although light microscopic cytologic changes cannot be attributed objectively to either RT or CT, therapeutic efficacy is shown in follow-up sputum cytology, which can be used in monitoring and planning additional therapy or other therapeutic options in lung cancer patients.


Journal of Clinical Gastroenterology | 2002

Therapeutic efficacy of hyperbaric oxygenation in ulcerative colitis refractory to medical treatment.

Levent Demirturk; Melih Özel; Yusuf Yazgan; Alan L. Buchman


Journal of Gastroenterology and Hepatology | 2003

Giant hepatic hemangioma mimicking hepatocellular carcinoma

Levent Demirturk; Yusuf Yazgan; Melih Özel; Yavuz Narin


Gastrointestinal Endoscopy | 1996

Does staining gastric mucosa with methylene blue spraying method affect diagnosis of Helicobacter pylori

Levent Demirturk; Saadeddin Hülagü; Mehmet Altin; Ergün Uçmakli; Levent Dumanhan; Melih Özel


Gulhane Medical Journal | 2015

Evaluation of the parameters that can be effective on the response to antiviral treatment in patients with chronic hepatitis C

Ilhan Cebeci; Alpaslan Tanoglu; Fatih Sahiner; Melih Özel; Kemal Oncu; Yusuf Yazgan; Ahmet Kemal Gurbuz; Levent Demirturk


AJCI | 2008

Fever of Unknown Origin - Are There Predictors of Outcome: A Multicenter Study

Yasar Kucukardali; Oral Oncul; Erdogan Kunter; Emrullah Solmazgül; Vedat Turhan; Şaban Çavuşlu; Mehmet Danaci; Semra Calangu; Zuhal Adibelli; Murat Akova; Engin Azak; Melih Özel; Zahit Bolaman; Bulent Saka; Namik Ozmen; Birsen Cetin; Erkan Coban; Hakan Erdem; Oguz Karabay; Çağla Karakoç; Akif Karan; Selda Korkmaz; Gülşen Özkaya Şahin; Alaattin Pahsa; Fatma Sirmatel; İlyas Tokatli; Cengiz Uzun; Ayşe Wilke Topçu; Gülşen Yakupoğlu; Bülent Beşirbellioğlu


Turkiye Klinikleri Journal of Gastroenterohepatology | 2003

Misoprostol'ün Özefagus Motilitesi Üzerine Etkisi

Yusuf Yazgan; Levent Demirturk; Melih Özel


Archive | 2003

Is hyperbilirubinemia a component or just a coincidence of familial mediterranean fever: A case report and review of the literature Hiperbilirubinemi ailevi akdeniz ateşi'nin bir özelliği mi yoksa rastlantisal bir bulgusu mudur: Bir olgu takdimi ve literatürün gözden geçirilmesi

Yusuf Yazgan; Melih Özel; Mustafa Ercan

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Yusuf Yazgan

Military Medical Academy

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Husnu Altunay

Military Medical Academy

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Sukru Yildirim

Military Medical Academy

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Fatih Sahiner

Military Medical Academy

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Hakan Erdem

Military Medical Academy

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