Browsing by Author "Erdem, Hakan"
Now showing items 1-20 of 25
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Antituberculosis drug resistance patterns in adults with tuberculous meningitis: results of haydarpasa-iv study
Senbayrak, Seniha; Ozkutuk, Nuri; Erdem, Hakan; Johansen, Isik Somuncu; Civljak, Rok; Inal, Ayse Seza; Kayabas, Uner (Biomed Central Ltd, 2015)Background: Tuberculous meningitis (TBM) caused by Mycobacterium tuberculosis resistant to antituberculosis drugs is an increasingly common clinical problem. This study aimed to evaluate drug resistance profiles of TBM ... -
Brucellosis in pregnancy: results of multicenter ID-IRI study
Inan, Asuman; Erdem, Hakan; Elaldi, Nazif; Gulsun, Serda; Karahocagil, Mustafa K.; Pekok, Abdullah U.; Ulug, Mehmet (Springer, 2019)Brucellosis in pregnant women is reported to be associated with obstetric complications (OCs), and adequate data for human brucellosis during pregnancy are largely lacking. We performed this multicenter retrospective ... -
Central nervous system infections in the absence of cerebrospinal fluid pleocytosis
Erdem, Hakan; Engin, Derya Öztürk; Çağ Yasemin; Şenbayrak, Seniha; İnan, Asuman; Kazak, Esra; Dayan, Saim; Çelen, Mustafa Kemal (Elsevier B.V., 2017)Previous multicenter/multinational studies were evaluated to determine the frequency of the absence of cerebrospinal fluid pleocytosis in patients with central nervous system infections, as well as the clinical impact of ... -
Clinicopathological profile of gastrointestinal tuberculosis: a multinational ID-IRI study
Tanoglu, Alpaslan; Erdem, Hakan; Friedland, Jon S.; Almajid, Fahad M.; Batirel, Ayse; Kulzhanova, Sholpan; Konkayeva, Maiya (Springer, 2020)Data are relatively scarce on gastro-intestinal tuberculosis (GITB). Most studies are old and from single centers, or did not include immunosuppressed patients. Thus, we aimed to determine the clinical, radiological, and ... -
Community acquired infections among refugees leading to Intensive Care Unit admissions in Turkey
Turktan, Mediha; Ak, Oznur; Erdem, Hakan; Ozcengiz, Dilek; Hargreaves, Sally; Kaya, Safak; Karakoc, Emre (Elsevier Sci Ltd, 2017)Objectives: Data on the impact of refugees on Intensive Care Units (ICUs) are lacking in the literature, in particular for community-acquired (CA) infectious diseases, for which they are known to be at higher risk. We did ... -
Comparison of brucellar and tuberculous spondylodiscitis patients: results of the multicenter Backbone-1 Study
Erdem, Hakan; Elaldi, Nazif; Batirel, Ayse; Aliyu, Sani; Sengoz, Gonul; Pehlivanoglu, Filiz; Ramosaco, Ergys (Elsevier Science Inc, 2015)BACKGROUND CONTEXT: No direct comparison between brucellar spondylodiscitis (BSD) and tuberculous spondylodiscitis (TSD) exists in the literature. PURPOSE: This study aimed to compare directly the clinical features, ... -
The course of spinal tuberculosis (Pott disease): Results of the multinational, multicentre Backbone-2 study
Batırel, Ayşe; Erdem, Hakan; Şengöz, Gönül; Pehlivanoğlu, Filiz; Ramosaço, Ergys; Gülsün, Serda; Tekin, Recep (Elsevier B.V., 2015)We aimed to describe clinical, laboratory, diagnostic and therapeutic features of spinal tuberculosis (ST), also known as Pott disease. A total of 314 patients with ST from 35 centres in Turkey, Egypt, Albania and Greece ... -
Cranial imaging findings in neurobrucellosis: results of Istanbul-3 study
Erdem, Hakan; Senbayrak, Seniha; Meric, Kaan; Batirel, Ayse; Karahocagil, Mustafa Kasim; Hasbun, Rodrigo; Sengoz, Gonul (Springer Heidelberg, 2016)Objective Neuroimaging abnormalities in central nervous system (CNS) brucellosis are not well documented. The purpose of this study was to evaluate the prevalence of imaging abnormalities in neurobrucellosis and to identify ... -
Efficacy and Tolerability of Antibiotic Combinations in Neurobrucellosis: Results of the Istanbul Study
Erdem, Hakan; Ulu-Kilic, Aysegul; Kilic, Selim; Karahocagil, Mustafa; Shehata, Ghaydaa; Eren-Tulek, Necla; Yetkin, Funda (Amer Soc Microbiology, 2012)No data on whether brucellar meningitis or meningoencephalitis can be treated with oral antibiotics or whether an intravenous extended-spectrum cephalosporin, namely, ceftriaxone, which does not accumulate in phagocytes, ... -
Factors leading to dissemination of cutaneous anthrax: an international ID-IRI study
Elbahr, Umran S.; Tekin, Recep; Papic, M.; Pandak, Nenad; Erdem, Hakan; Can, Fatma Kesmez; Alpat, Saygın Nayman (Elsevier Ltd, 2022)Background: Although anthrax is a rare zoonotic infection, it still causes significant mortality and morbidity. In this multicenter study, which is the largest anthrax case series ever reported, we aimed to describe the ... -
Hamsi scoring in the prediction of unfavorable outcomes from tuberculous meningitis: results of Haydarpasa-II study
Erdem, Hakan; Ozturk-Engin, Derya; Tireli, Hulya; Kilicoglu, Gamze; Defres, Sylviane; Gulsun, Serda; Sengoz, Gonul (Springer Heidelberg, 2015)Predicting unfavorable outcome is of paramount importance in clinical decision making. Accordingly, we designed this multinational study, which provided the largest case series of tuberculous meningitis (TBM). 43 centers ... -
Management of Brucella endocarditis: results of the Gulhane study
Koruk, Suda Tekin; Erdem, Hakan; Koruk, Ibrahim; Erbay, Ayse; Tezer-Tekce, Yasemin; Erbay, Ali Riza; Dayan, Saim (Elsevier, 2012)Brucella endocarditis (BE) is a rare but life-threatening complication of human brucellosis. The aim of this study was to investigate the course of BE along with the therapeutic interrelations. A total of 53 patients with ... -
Mortality indicators in pneumococcal meningitis: therapeutic implications
Erdem, Hakan; Elaldi, Nazif; Oztoprak, Nefise; Sengoz, Gonul; Ak, Oznur; Kaya, Selcuk; Inan, Asuman (Elsevier Sci Ltd, 2014)Background: The aim of this study was to delineate mortality indicators in pneumococcal meningitis with special emphasis on therapeutic implications. Methods: This retrospective, multicenter cohort study involved a 15-year ... -
The place and the efficacy of infectious disease consultations in the hospitals
Erdem, Hakan; Kurtaran, Behice; Arun, Özgür; Yılmaz, Havva; Çelebi, Güven; Özkaya, Hacer Deniz; Kaya, Selçuk; Çelen, Mustafa Kemal (2012)Our study aims to determine the efficacy of infectious disease consultations and the interrelations between doctors in this social laboratory. This study was conducted at 34 centers located in 22 cities across Turkey and ... -
Portraying infective endocarditis: results of multinational ID-IRI study
Erdem, Hakan; Puca, Edmond; Ruch, Yvon; Santos, Lurdes; Ghanem-Zoubi, Nesrin; Argemi, Xavier; Hansmann, Yves (Springer, 2019)Infective endocarditis is a growing problem with many shifts due to ever-increasing comorbid illnesses, invasive procedures, and increase in the elderly. We performed this multinational study to depict definite infective ... -
Predictors of unfavorable outcome in neurosyphilis: Multicenter ID-IRI Study
Ozturk-Engin, Derya; Erdem, Hakan; Hasbun, Rodrigo; Wang, Shu-Hua; Tireli, Hulya; Tattevin, Pierre; Argemi, Xavier (Springer, 2019)Neurosyphilis (NS) has different clinical manifestations and can appear during any stage of syphilis. We aimed to identify the factors affecting poor outcome in NS patients. Patients with positive cerebrospinal fluid ... -
Profiles of multidrug-resistant organisms among patients with bacteremia in intensive care units: an international ID-IRI survey
El-Sokkary, Rehab; Uysal, Serhat; Erdem, Hakan; Kullar, Ravina; Pekok, Abdullah Umut; Amer, Fatma; Grgic, Svjetlana (Springer, 2021)Evaluating trends in antibiotic resistance is a requisite. The study aimed to analyze the profile of multidrug-resistant organisms (MDROs) among hospitalized patients with bacteremia in intensive care units (ICUs) in a ... -
Quality of life and related factors among chronic hepatitis B-infected patients: a multi-center study, Turkey
Karacaer, Zehra; Cakir, Banu; Erdem, Hakan; Ugurlu, Kenan; Durmus, Gul; Ince, Nevin Koc; Ozturk, Cinar (Bmc, 2016)Background: The aim of this study was to assess health-related quality of life (HRQOL) among chronic hepatitis B (CHB) patients in Turkey and to study related factors. Methods: This multicenter study was carried out between ... -
Respiratory System Involvement in Brucellosis The Results of the Kardelen Study
Erdem, Hakan; Inan, Asuman; Elaldi, Nazif; Tekin, Recep; Gulsun, Serda; Ataman-Hatipoglu, Cigdem; Beeching, Nicholas (Elsevier, 2014)Background: Pulmonary involvement is a rare complication of brucellosis. We describe the largest series to date, to our knowledge, of patients with pulmonary brucellosis. Methods: This 10-year, retrospective, descriptive ... -
Self-reported antibiotic stewardship and infection control measures from 57 intensive care units: An international ID-IRI survey
El-Sokkary, Rehab; Erdem, Hakan; Kullar, Ravina; Pekok, Abdullah Umut; Amer, Fatma; Grgic, Svjetlana; Carevic, Biljana (Elsevier Science London, 2022)We explored the self-reported antibiotic stewardship (AS), and infection prevention and control (IPC) activities in intensive care units (ICUs) of different income settings. A cross-sectional study was conducted using an ...
