Orhan Yıldız

ORCID: 0000-0001-6019-0430
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Research Areas
  • Hepatitis C virus research
  • Metabolism and Genetic Disorders
  • Hepatitis B Virus Studies
  • Pulmonary Hypertension Research and Treatments
  • Congenital Heart Disease Studies
  • Liver Disease Diagnosis and Treatment
  • Porphyrin Metabolism and Disorders
  • Brucella: diagnosis, epidemiology, treatment
  • Biochemical and Molecular Research
  • Fungal Infections and Studies
  • Genomic variations and chromosomal abnormalities
  • Skin and Cellular Biology Research
  • Dermatological and Skeletal Disorders
  • Autoimmune Bullous Skin Diseases
  • COVID-19 Clinical Research Studies
  • Cutaneous lymphoproliferative disorders research
  • Burkholderia infections and melioidosis
  • Mitochondrial Function and Pathology
  • Hepatitis Viruses Studies and Epidemiology
  • Neonatal Health and Biochemistry
  • Actinomycetales infections and treatment
  • SARS-CoV-2 and COVID-19 Research
  • Pancreatitis Pathology and Treatment
  • Adrenal Hormones and Disorders
  • Cardiac Arrhythmias and Treatments

Erciyes University
2015-2025

Kayseri Eğitim ve Araştırma Hastanesi
2021-2023

Textile Institute of Pakistan
2021

Global Viral
2020

Rize Devlet Hastanesi
2015

Bozok Universitesi
2004-2014

Ankara University
2011-2012

Office of Infectious Diseases
2009

Erciyes Üniversitesi Tıp Fakültesi Hastaneleri
2002

The aim of the study was to assess prognostic importance basal cortisol concentrations and response corticotropin, determine effects physiological dose steroid therapy on mortality in patients with sepsis. Basal level corticotropin stimulation test were performed within 24 hours all patients. One group (20 patients) received standard for sepsis physiological-dose 10 days; other only measured 14th day who recovered. outcome compared. Only Sequential Organ Failure Assessment (SOFA) score found...

10.1186/cc1498 article EN cc-by Critical Care 2002-04-19

Abstract To determine the frequency, risk factors and mortality of nosocomial pneumonia a prospective study was conducted in intensive care units. In period, 2402 patients were included. The defined according to Centers for Disease Control Criteria. Overall, 163 (6.8%) developed 75.5% (n = 123) all with ventilator-associated pneumonia. who admitted unit during same period but had no bacteriologic or histologic evidence used as control group. APACHE II score, coma, hypoalbuminemia, mechanical...

10.1186/1476-0711-3-17 article EN cc-by Annals of Clinical Microbiology and Antimicrobials 2004-09-15

Micrococcus species may cause intracranial abscesses, meningitis, pneumonia, and septic arthritis in immunosuppressed or immunocompetent hosts. In addition, strains identified as spp. have been reported recently infections associated with indwelling intravenous lines, continuous ambulatory peritoneal dialysis fluids, ventricular shunts prosthetic valves.We report on the first case of a catheter-related bacteremia caused by Kocuria rosea, gram-positive microorganism belonging to family...

10.1186/1471-2334-4-62 article EN cc-by BMC Infectious Diseases 2004-12-22

Abstract The aim of the study is to review clinical manifestations and hematological findings brucellosis pancytopenia, with or without malignancies. records 202 patients were evaluated retrospectively. Among these cases seen in a 6 year period between April 1999 June 2005, 30 pancytopenia identified. most common manifestation was fever, followed by weight loss, anorexia, malaise, arthralgia, hepatosplenomegaly. Bone marrow biopsies revealed hypercellularity normocellularity. bone evaluation...

10.1002/ajh.21098 article EN American Journal of Hematology 2007-12-10

Abstract Background The optimal treatment regimen and duration of the therapy is still controversial in spinal brucellosis. aim this study to compare efficacy, adverse drug reactions, complications cost ciprofloxacin plus rifampicin versus doxycycline streptomycin Methods patients diagnosed as brucellosis between January 2002 December 2004 were enrolled into study. Patients two antimicrobial groups (doxycycline vs. rifampicin) consecutively. For analysis regimens, only antibiotic was...

10.1186/1471-2334-6-72 article EN cc-by BMC Infectious Diseases 2006-04-11

Objectives: This study aimed to elucidate the effects of messenger RNA (mRNA) and inactivated coronavirus disease 2019 (COVID-19) vaccines on ovarian histology reserve in rats. Methods: Thirty female Wistar albino rats, aged 16–24 weeks, were randomly divided into three groups (n = 10): control, mRNA vaccine, vaccine groups. Each group received two doses (on day 0 28) at human-equivalent doses. Four weeks post-second vaccination, tissues harvested for analysis. Results: Immunohistochemical...

10.3390/vaccines13040345 article EN cc-by Vaccines 2025-03-24

We present the interim results of efficacy, immunogenicity, and safety two-dose schedules TURKOVAC versus CoronaVac. This was a randomized, observer-blinded, non-inferiority trial (NCT04942405). Volunteers were 18-55 years old randomized at 1:1 ratio to receive either or CoronaVac Day 0 28, both which are 3 μg/0.5 mL inactivated severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) adsorbed aluminum hydroxide. The primary efficacy outcome prevention polymerase chain reaction...

10.3390/vaccines10111865 article EN cc-by Vaccines 2022-11-04

This study focused on the effect of immuno-compromising conditions clinical presentation severe listerial infection.Nine human listeriosis cases seen from 1991-2002 were reviewed. All adult patients, whose blood, peritoneal fluid or cerebrospinal (CSF) L. monocytogenes was isolated, included in this retrospective study.Listeriosis presented as primary sepsis with positive blood cultures 5 and meningitis CSF 4 cases. these patients had at least one underlying disease, most commonly,...

10.3349/ymj.2007.48.3.433 article EN cc-by-nc Yonsei Medical Journal 2007-01-01

Acinetobacter baumannii is a significant pathogen of bloodstream infections in hospital patients that frequently causes single clone outbreaks. We aimed to evaluate the genetic relatedness and antimicrobial susceptibility spp. isolates, order obtain insight into their cross-transmission. This prospective study was conducted at Erciyes University Hospital. During 1-y period, all with nosocomial BSI caused by were included study. All data regard patients, underlying diseases risk factors for...

10.1080/00365540500488907 article EN Scandinavian Journal of Infectious Diseases 2006-01-01

Tigecycline is a promising therapeutic option against many current multidrug resistant pathogens. The aim of this retrospective study was to determine the clinical and microbiological outcomes patients treated with tigecycline for serious infections caused by carbapenem-resistant Acinetobacter calcoaceticus-Acinetobacter baumannii complex (Acb-complex). A conducted define who received Acb-complex between 1 June, 2008 may, 2009. total 21 were eligible study. median age 48 years 6 female....

10.1179/joc.2010.22.2.110 article EN Journal of Chemotherapy 2010-04-01

We aimed to reveal how chronic diseases, age and gender affected morbidity mortality in patients with Coronavirus disease of 2019 (COVID-19).Medical records all reverse transcription polymerase chain reaction (RT-PCR) positive COVID-19 followed up hospital home isolation between 13th Mar 2020 12th May were retrospectively reviewed. The from Kayseri Province, Turkey. Patients' demographic clinical characteristics the factors associated analyzed.Of patients, 773 (95.8%) alive 34 (4.24%) died....

10.18502/ijph.v50i4.5996 article EN cc-by-nc Iranian Journal of Public Health 2021-04-14

Brucellosis is a disease that may lead to changes in hematologic parameters such as anemia, neutropenia, and thrombocytopenia; however, thrombotic microangiopathy (TMA) rare finding. Severe TMA be associated with life-threatening hematologic, renal, neurologic disorders. To prevent this mortality caused by brucellosis, prompt recognition of complication therapy are essential. A patient Brucella melitensis presented who initially fever, skin purpura, epistaxis, confusion, microangiopathic...

10.1177/107602960501100114 article EN Clinical and Applied Thrombosis/Hemostasis 2005-01-01

Pulmonary nocardiosis is the major clinical manifestation of human and disseminated infection can be seen in immunocompromised patients. N. asteroides predominant pathogen associated with diseases. We report 2 cases pulmonary admitted infection, caused by rare species Nocardia: Nocardia transvalensis cyriacigeorgica.

10.1080/00365540500532860 article EN Scandinavian Journal of Infectious Diseases 2006-01-01

ÖZSıtma, dünya genelinde olgu sayısı ve ölüm oranı dikkate alındığında küresel bir halk sağlığı sorunu olmaya devam etmektedir

10.5578/mb.20239922 article TR Mikrobiyoloji Bulteni 2023-04-15
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