[Effects of Chlorhexidine Gluconate Bathing Applied to Cancer Patients on MRSA and VRE Colonization: A Cross-Over Design Study].

Kanıtlar, klorheksidin glukonat (CHG) solüsyonuyla gerçekleştirilen banyonun, sağlık hizmeti ilişkili enfeksiyonlar (SHİE)'a neden olan mikroorganizmaların kolonizasyonunu azalttığını göstermektedir. Bu çalışmada yoğun bakım ünitesi (YBÜ)'nde yatan kanser hastalarında CHG banyosunun MRSA ve VRE kolonizasyonu üzerindeki etkilerinin değerlendirilmesi amaçlanmıştır. Bu çapraz tasarımlı çalışmada, kanser hastalarında standart su + sabun banyosuyla %2'lik CHG banyosu karşılaştırılmıştır.

Investigation of the Relationship Between Ocular Colonization and the Conjunctival Flora.

Objective: This study aimed to determine whether ocular colonization leads to changes in the conjunctival flora in healthy middle-aged individuals.

Methods: This study included 70 patients who applied to an ophthalmology clinic with a complaints of presbyopia. Two eyelash specimens from the lower eyelids of both eyes were obtained from each individual.

History and classification of Aigai virus (formerly Crimean-Congo haemorrhagic fever virus genotype VI).

Crimean-Congo haemorrhagic fever virus (CCHFV) is the medically most important member of the rapidly expanding bunyaviral family . Traditionally, CCHFV isolates have been assigned to six distinct genotypes. Here, the International Committee on Taxonomy of Viruses (ICTV) Study Group outlines the reasons for the recent decision to re-classify genogroup VI (aka Europe-2 or AP-92-like) as a distinct virus, Aigai virus (AIGV).

Literature Review of : A Rare Nematode.

In this review, epidemiological features, diagnosis, and treatment processes of cases were discussed. is a spiruroid nematode usually seen in ruminants; it is known to occasionally infect humans. In humans, reports revealed that it is usually located in the oral cavity and that the most common symptom is the sensation of a moving foreign body in the mouth.

Evaluation of Formalin-fixed Paraffin-embedded Tissue Samples Diagnosed by Histopathology as in Çorum.

Objective: This study aimed to detect the presence of spp. in formalin-fixed paraffin-embedded (FFPG) samples of hydatid cyst cases and to discuss the DNA isolation problems in FFPG samples.

Methods: FFPG samples of 47 cases diagnosed with hydatid cyst were included in this study.

[A Splenic Infarct Developing After Plasmodium falciparum Infection].

Plasmodium vivax malaria is usually seen in our country. Plasmodium falciparum malaria is also detected in the patients who have travelled abroad. A 33 year old male patient applied to our hospital for control.

[The results of Hacettepe University Faculty of Medicine Parasitology Laboratory in 2003-2012: evaluation of 10 years].

Objective: Parasitic diseases are common throughout the world. Evaluation of regional epidemiological data is needed to determine protective measures and treatment strategies.

Methods: This study evaluates the parasites detected in Hacettepe University Faculty of Medicine Parasitology Laboratory.

[Recent developments in SARS vaccine studies].

Severe acute respiratory syndrome (SARS) caused thousands of human infections worldwide and hundreds of deaths in just a few months. Evidence indicates that SARS coronavirus (SARS-CoV) has been circulating from animals to humans since before the 2002-2003 outbreak, suggesting that another pandemic may occur. This possibility has focused continuous action on SARS vaccine research.

[Detection of cagA prevalence in clinical isolates of Helicobacter pylori].

Helicobacter pylori is a gram-negative, microaerophilic bacterium that colonizes human gastric mucosa and affects approximately 50% of the whole world population. It has put the blame on gastric ulcer, duodenal ulcer, chronic atrophic gastritis, mucosa-associated lymphoid tissue lymphoma and stomach adenocarcinoma, as the etiological agent. The cagA (cytotoxin-associated gene A) gene which is one of the most important virulence factors of H.

[Adaptation of a sensitive DNA extraction method for detection of Entamoeba histolytica by real-time polymerase chain reaction].

This study was aimed to adapt a sensitive DNA extraction protocol in stool samples for real-time polymerase chain reaction (PCR) detection of Entamoeba histolytica which causes important morbidity and mortality worldwide. Stool extraction is a problematic step and has direct effects on PCR sensitivity. In order to improve the sensitivity of E.

[Comparison of glucan and galactomannan tests with real-time PCR for diagnosis of invasive aspergillosis in a neutropenic rat model].

The incidence of aspergillosis which has high mortality rates, has increased gradually. Since invasive aspergillosis (IA) is one of the leading causes of death in immunocompromized and neutropenic patients, early and accurate diagnosis of IA is of crucial importance. The aims of this study were to compare the results of culture, real-time polymerase chain reaction (RtPCR), galactomannan (GM) antigen and glucan (GC) antigen detection tests and to evaluate their performances in view of rapid and accurate diagnosis of IA in neutropenic rat model.

[Investigation of dengue virus and yellow fever virus seropositivities in blood donors from Central/Northern Anatolia, Turkey].

Dengue virus (DENV) and yellow fever virus (YFV) are two of the globally prevalent vector-borne flaviviruses. Data on these viruses from Turkey is limited to a single study originating from the western, Aegean region of Turkey, where evidence for DENV exposure had been confirmed in residents and presence of hemagglutination inhibiting antibodies against YFV had been revealed. The aim of this study was to investigate the rates of seropositivity of DENV and YFV in blood donors from Central/Northern Anatolia, Turkey, for the demonstration of possible human exposure.

[Investigation of presence of class 1 integrons in clinical isolates of carbapenem-resistant Acinetobacter baumannii].

Acinetobacter species, particularly Acinetobacter baumannii, are important opportunistic pathogens responsible for nosocomial infections. They are often resistant to a wide range of antibiotics, including broad-spectrum beta-lactams, aminoglycosides and quinolones. This study was aimed to investigate the presence of class 1 integrons in nosocomial A.

[A human rabies case with antemortem diagnosis].

Rabies, which is an acute, progressive, fatal zoonotic infectious disease, is almost always caused by the bite of rabid animals containing rabies virus in their saliva. Since there is no established specific therapy for rabies, preventive and prophylactic measures are of critical importance. In this report a case of human rabies diagnosed antemortem, was presented.

[Investigation of West Nile virus in central nervous system infections of unknown etiology in Ankara, Turkey].

Arthropod-borne viral infections have recently gained considerable attention and importance as re-emerging infections in a global scale. West Nile Virus (WNV), a member of Flaviviridae, is an enveloped positive strand RNA virus that is usually transmitted to humans by the bite of Culicine mosquitoes. Although the majority of the human infections are asymptomatic, WNV may also cause febrile and neuro-invasive diseases.

[Determination of hepatitis B virus genotypes by DNA sequence analysis in patients from Ankara, Turkey].

Hepatitis B virus (HBV) genotypes vary depending on the geographical region. The HBV genotype determined in Turkey has been genotype D which is found as the homogenously disseminated single genotype. The aim of this study was to determine HBV genotypes in a group of HBV infected patients who were admitted to a university hospital in Ankara, Turkey.

[Investigation of macrolide-lincosamide-streptogramin B (MLS(B)) and telithromycin resistance in clinical strains of staphylococci].

The aim of this study was to determine the prevalence of macrolide-lincosamide-streptogramin B (MLS(B)) resistance and also to search for telithromycin resistance in staphylococcus strains isolated at Hacettepe University Hospital, Ankara, Turkey. A total of 381 Staphylococcus aureus isolates and 94 coagulase-negative staphylococci (CNS) were tested by disc approximation method. Methicillin resistance of these isolates was searched by disc diffusion test using 30 microg cefoxitin discs.

[The performance of two different chromogenic media for the diagnosis of extended spectrum beta-lactamase producing strains].

The aim of this study was to evaluate the performances of 2 different chromogenic media for the detection of extended spectrum beta-lactamase (ESBL) producing Escherichia coli and Klebsiella spp. isolated from different clinical samples of patients who were admitted to Baskent University Faculty of Medicine, Adana Application and Research Hospital between September to November 2007. A total of 365 strains [251 were ESBL positive and 114 were negative by double disc synergy (DDS) test] of which 255 were E.

[In vitro synergistic effect of moxifloxacin and amphotericin B combination against Candida strains].

Contradictory results such as synergy or indifferent effect, have been reported about the interactions between quinolones and antifungal drugs in different studies. The aim of this study was to investigate the in vitro susceptibilities of Candida spp. to moxifloxacin (MOX) alone and MOX + amphotericin B (AmB) combination.

[Molecular epidemiology of carbapenem-resistant Klebsiella pneumoniae strains isolated between 2004-2007 in Ankara University Hospital, Turkey].

The prevalence of carbapenem-resistant gram-negative bacteria in the hospital setting is in an increasing trend worldwide. Since most of the carbapenem-resistant Enterobacteriaceae are resistant to all antimicrobial agents except polymyxins and tigecycline, the emergence of carbapenem resistance in Klebsiella pneumoniae strains requires careful monitoring. This study was conducted to analyse the epidemiological relatedness between the carbapenem-resistant isolates of K.

[Activity of tigecycline on planktonic and sessile cells of Acinetobacter baumannii].

Acinetobacter baumannii is an important pathogen, capable of survival for very long periods on various surfaces in the hospital environment. Tigecycline is a commonly used antimicrobial agent especially for the treatment of resistant infections. The aim of this study was to investigate the activity of tigecycline on both planktonic and sessile biofilm cells of A.

[Influence of reaction optimization on the results of PCR amplification of Panton-Valentine leukocidin genes among Staphylococcus aureus isolates].

Panton-Valentine leukocidin (PVL) is an important virulence determinant of Staphylococcus aureus. Polymerase chain reaction (PCR) amplification of the genes encoding PVL is the most widely used method for determining PVL-positivity. In this study, we used two different primer sets and different annealing temperatures for each set to investigate the effect of optimization of PCR parameters on the amplification results.

[Antimicrobial resistance and existence of metallo-beta-lactamase in Acinetobacter species isolated from adult patients].

Acinetobacter spp. are the frequent causes of nosocomial infections which are difficult to treat due to multidrug resistance. The aim of this study was to determine the antibiotic susceptibilities and the presence of metallo-beta-lactamases in Acinetobacter spp.

[Investigation of bactericidal effect and nitric oxide responses of Caco-2 epithelial cells and THP-1 macrophage cells against Streptococcus pyogenes and Escherichia coli].

Epithelial cells and macrophages contribute to innate immune responses by cell to cell interactions and releasing proinflammatory mediators. In this study, we aimed to illuminate the underlying mechanisms of contribution of macrophages and epithelial cells in the struggle against pathogens. Therefore, Streptococcus pyogenes and Escherichia coli activated Caco-2 cells and THP-1 macrophage-like cells were investigated for their bactericidal activities and nitric oxide (NO) production when they were alone, in contact with eachother and when their contact was blocked by continuing exposure of soluble mediators.

[Investigation of in vitro activities of fluconazole, itraconazole and voriconazole against clinical isolates of Blastoschizomyces capitatus (Geotrichum capitatum) by two different methods].

Blastoschizomyces capitatus is an emerging opportunistic pathogen that may lead to invasive infections particularly in neutropenic patients. In this study, the in vitro activities of fluconazole, itraconazole and voriconazole against 15 clinical B. copitatus isolates were determined by microdilution method (MD) and Etest.