Browsing by Author "Yılmaz, Mesut"
Now showing items 21-40 of 59
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The effect of antimicrobial policy implementation on carbapenem resistance: A university hospital experience
Derin, Okan; Şeker, Fatma; Aksoy, Nilay; Yiğit, Pakize; Yılmaz, Mesut; Mert, Ali (Marmara University, 2022)Objective: The resistance of Gram-negative bacteria to antibiotics is a global issue that leads to increased mortality and treatment costs. The aim of this study is to see how a newly formed carbapenem control team affected ... -
Effect of piperacillin-tazobactam vs meropenem on 30-day mortality for patients with e coli or klebsiella pneumoniae bloodstream infection and ceftriaxone resistance a randomized clinical trial
Harris, Patrick N. A.; Tambyah, Paul Anatharajah; Lye, David Chien; Mo Yinli; Lee, Tau Hong; Yılmaz, Mesut; Alenazi, Tamer H.; Arabi, Yaseen; Falcone, Marco; Bassetti, Matteo; Righi, Elda; Rogers, Benjamin A.; Kanj, Souha; Bhally, Hasan; Iredell, Jon; Mendelson, Marc; Boyles, Tom H.; Looke, David; Miyakis, Spiros; Walls, Genevieve; Al Khamis, Mohammed; Zikri, Ahmed; Crowe, Amy; Ingram, Paul; Daneman, Nick; Griffin, Paul; Athan, Eugene; Lorenc, Penelope; Baker, Peter; Roberts, Leah; Beatson, Scott A.; Peleg, Anton Y.; Harris-Brown, Tiffany; Paterson, David L. (American Medical Association, 2018)IMPORTANCE Extended-spectrum beta-lactamases mediate resistance to third-generation cephalosporins (eg, ceftriaxone) in Escherichia coli and Klebsiella pneumoniae. Significant infections caused by these strains are usually ... -
Effects of various antibiotics alone or in combination with doripenem against Klebsiella pneumoniae strains isolated in an intensive care unit
Özbek Çelik, Berna; Mataracı-Kara, Emel; Yılmaz, Mesut (Hindawi Publishing Corporation, 2014)Colistin, tigecycline, levofloxacin, tobramycin, and rifampin alone and in combination with doripenem were investigated for their in vitro activities and postantibiotic effects (PAEs) on Klebsiella pneumoniae. The in vitro ... -
Epidemiology of nosocomial candidemia, mortality, and antifungal resistance: 7-year experience in Turkey
Aydın, Selda; Derin, Okan; Şahin, Meyha; Dinleyici, Rümeysa; Yılmaz, Mesut; Ceylan, Bahadır; İstanbullu Tosun, Ayşe; Öztürk, Recep; Mert, Ali (National Institute of Health, 2022)Candidemia is an important clinical condition that prolongs hospital stays and increases morbidity, mortality, and hospital costs. The aim of this retrospective study was to evaluate the epidemiological and microbiological ... -
Evaluation of the synergy of ceftazidime/avibactam in combination with colistin, doripenem, levofloxacin, tigecycline, and tobramycin against OXA-48 producing enterobacterales
Mataracı Kara, Emel; Yılmaz, Mesut; İstanbullu Tosun, Ayşe; Özbek Çelik, Berna (Taylor and Francis Ltd., 2020)This study aims to analyze the effect of ceftazidime/avibactam plus various antibiotics against OXA-48-producing Enterobacterales isolated from Intensive Care Units. Seventy-four non-duplicate OXA-48-producing Enterobacterales ... -
A fatal case of urosepsis due to corynebacterium riegelii
Aygün, Gökhan; Midilli, Kenan; Çilingir, Hatice; Yılmaz, Mesut; Kütükçü, Ayşegül; Eker, Engin (2013)Corynebacterium species other than Corynebacterium diphtheriae rarely cause infections in human but rather reside in flora, however they have been reported to cause opportunistic infections in both immunocompromised and ... -
Hepatic granulomas: Etiologic distribution
Mert, Ali; Yılmaz, Mesut; Ceylan, Bahadır; Aslan, Ferhat (AVES, 2014)In this issue of Turk J Gastroenterol 2014, Şahin et al. (1) presented an informative study on the prevalence and etiologic distribution of hepatic granulomas (HGs) identified in patients who were biopsied in their ... -
Human Herpesvirus 6 encephalitis in an immunocompetent pregnant patient and review of the literature
Yılmaz, Mesut; Yaşar, Canan; Aydın, Selda; Derin, Okan; Polat, Burcu; Ertan, Gülhan; Ceylan, Bahadır; Mert, Ali (Elsevier Science Bv, 2018)Central nervous system infection caused by Human Herpesvirus 6 (HHV-6) is well known in immunocompromised; however, data regarding immunocompetent patients is limited to case series. We describe a 29-year-old immunocompetent ... -
Hydatid disease of the liver with portal vein invasion mimicking portal vein thrombosis
Ertan, Gülhan; Ulus, Sıla; Kılıçarslan, Rukiye; Yılmaz, Mesut; Paksoy, Yahya; Erol, Cengiz (Elsevier Science Bv, 2019)Hydatid cyst disease is a zoonosis caused by the parasite Echinococcus. It may infest any organ of the body, but it most frequently involves the liver, lungs, and nervous system. Portal vein involvement by hydatid cyst ... -
Impact of fatty liver on hepatitis B virus replication and virologic response to tenofovir and entecavir
Ceylan, Bahadır; Arslan, Ferhat; Batırel, Ayşe; Fincancı, Muzaffer; Yardımcı, Cem; Fersan, Esra; Paşaoğlu, Esra; Yılmaz, Mesut; Mert, Ali (2016)Background/Aims: We aimed to evaluate the impact of non-alcoholic fatty liver disease (NAFLD) on viral kinetics and virologic response to tenofovir and entecavir treatment in patients with chronic hepatitis B virus (HBV) ... -
In vitro activities of ceftazidime/avibactam alone or in combination with antibiotics against multidrug-resistant Acinetobacter baumannii isolates
Mataracı Kara, Emel; Yılmaz, Mesut; Özbek Çelik, Berna (Elsevier Science Ltd, 2019)Objectives: Infections caused by multidrug-resistant (MDR) Acinetobacter baumannii (A. baumannii) are a growing problem because of the limited options for treatment. The number of antimicrobials that are currently being ... -
In vitro activities of colistin, tigecycline and tobramycin, alone or in combination, against carbapenem-resistant enterobacteriaceae strains
Özbek, Berna; Mataracı Kara, Emel; Er, Sevda; Özdamar, Melda; Yılmaz, Mesut (Elsevier, 2015)The aim of this study was to investigate the activities of various antibiotics, alone or in combination, against carbapenem-resistant Enterobacteriaceae (CRE). Minimum inhibitory concentrations (MICs) of meropenem, colistin, ... -
In vitro synergistic effect and mutant prevention concentrations of cefepime alone or in combination with sulbactam against OXA-48-positiveKlebsiella pneumoniaeIsolates
Mataracı Kara, Emel; Yılmaz, Mesut; Özbek Çelik, Berna (Springer, 2020)The aim of this study is to investigate the combination of cefepime and sulbactam. Sulbactam, when administered , will effectively inhibit all Extended-spectrum beta lactamases (ESBLs) of the microorganism, while cefepime ... -
Infectious side effects of baricitinib: A big data analysis based on VigiBase
Mahroum, Naim; Özkan, Mehmet Fatih; Abalı, Tunahan; Yılmaz, Mesut; Bragazzi, Nicola Luigi (Elsevier B.V., 2023)Dear Editor, Baricitinib (known as “Olumiant”), is an inhibitor of Janus- associated kinase 1 and 2 (JAK1 and JAK2) initially introduced for the treatment of rheumatoid arthritis (RA), and later for systemic lupus erythematosus ... -
İdrar yolu infeksiyonlarından izole edilen Escherichia Coli ve Klebsiella Pneumoniae suşlarının antimikrobiyal direnç oranları
İstanbullu Tosun, Ayşe; Demirci, Mehmet; Yılmaz, Mesut; Şen, Hatice; Sirekbasan, Leyla; Gözün Şaylan, Ezgi; Gökçeağaçlı, Cemile; Şengil, Ahmet Zeki (2016)İdrar yolu infeksiyonları (İYİ) ülkemizde ve dünyada yatan ve ayaktan hastalarda en sık rastlanan infeksiyonların başında gelmekte ve önemli bir morbidite nedeni olarak karşımıza çıkmaktadır. İdrar yolu infeksiyonlarına ... -
Medipol Mega Üniversite Hastanesinde yatarak tedavi alan hastalarda kullanılan antibiyotiklerin bölüm bazlı ATC/DDD yöntemi ile incelenmesi
Güner, Elif (İstanbul Medipol Üniversitesi Sağlık Bilimleri Enstitüsü, 2017)Antibiyotikler, dünya çapında çok yoğun kullanılan ilaç etkin maddeleridir. Antibiyotiklerin aşırı ve uygunsuz kullanılmasıyla meydana gelen olumsuz sonuçlar yalnız ülkemizi değil tüm dünya ülkelerini etkilemektedir. Bu ... -
Meropenem versus piperacillin-tazobactam for definitive treatment of bloodstream infections caused by AmpC beta-lactamase-producing enterobacter spp, citrobacter freundii, morganella morganii, providencia spp, or serratia marcescens: A pilot multicenter randomized controlled trial (MERINO-2)
Stewart, Adam G.; Paterson, David L.; Young, Barnaby; Lye, David C.; Davis, Joshua S.; Schneider, Kellie; Yılmaz, Mesut; Dinleyici, Rümeysa; Runnegar, Naomi; Henderson, Andrew; Archuleta, Sophia; Kalimuddin, Shirin; Forde, Brian M.; Chatfield, Mark D.; Bauer, Michelle J.; Lipman, Jeffrey; Harris-Brown, Tiffany; Harris, Patrick N. A. (Oxford University Press, 2021)Background: Carbapenems are recommended treatment for serious infections caused by AmpC-producing gram-negative bacteria but can select for carbapenem resistance. Piperacillin-tazobactam may be a suitable alternative. ... -
Metastatic prostate cancer as an infrequent cause of fever of unknown origin, and review of the literature
Yılmaz, Mesut; Arslan, Ferhat; Örmeci̇, Tuǧrul; Mert, Ali (Mattioli 1885 S.p.A., 2016)Summary. Although neoplastic fever is a rare entity, it still constitutes a clinical challenge and a troublesome symptom. Differentiating it from other cancer-related fevers, such as infection, is important for appropriate ... -
Miliary tuberculosis epidemiologicaland clinical analysis of large-case series from moderate to low tuberculosis endemic country
Mert, Ali; Arslan, Ferhat; Kuyucu Yılmaz, Tülin; Koç, Emine Nur; Yılmaz, Mesut; Turan, Demet; Altın, Sedat; Pehlivanoğlu, Filiz; Şengöz, Gönül; Yıldız, Dilek; Dökmetaş, İlyas; Kömür, Süheyla; Kurtaran, Behice; Demirdal, Tuna; Erdem, Hüseyin Aytaç; Sipah, Oğuz Reşat; Batırel, Ayşe; Parlak, Emine; Tekin, Recep; Tunçcan, Özlem Güzel; Balkan, İlker İnanç; Hayran, Osman; Ceylan, Bahadır (Lippincott Williams and Wilkins, 2017)The aim of this study was to determine the clinical features, and outcome of the patients with miliary tuberculosis (TB). We retrospectively evaluated 263 patients (142 male, 121 female, mean age: 44 years, range: 16–89 ... -
Mortality predictors of Staphylococcus aureus bacteremia: A prospective multicenter study
Yılmaz, Mesut; Elaldi, Nazif; Balkan, İlker İnanç; Arslan, Ferhat; Alga Batırel, Ayşe; Bakıcı, Mustafa Zahir; Gözel, Mustafa Gökhan; Alkan, Sevil; Doğan Çelik, Aygül; Yetkin, Meltem Arzu; Bodur, Hürrem; Sinirtaş, Melda; Akalın, Halis; Aybala Altay, Fatma; Şencan, İrfan; Azak, Emel; Gündeş, Sibel; Ceylan, Bahadır; Öztürk, Recep; Leblebicioğlu, Hakan; Vahaboğlu, Haluk; Mert, Ali (BioMed Central Ltd., 2016)Background: Staphylococcus aureus is one of the causes of both community and healthcare-associated bacteremia. The attributable mortality of S. aureus bacteremia (SAB) is still higher and predictors for mortality and ...
