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Yıldız M, Sarpdağı Y, Okuyar M, Yildiz M, Çiftci N, Elkoca A, Yildirim MS, Aydin MA, Parlak M, Bingöl B. Segmentation and classification of skin burn images with artificial intelligence: Development of a mobile application. Burns 2024; 50:966-979. [PMID: 38331663 DOI: 10.1016/j.burns.2024.01.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 12/26/2023] [Accepted: 01/10/2024] [Indexed: 02/10/2024]
Abstract
AIM This study was conducted to determine the segmentation, classification, object detection, and accuracy of skin burn images using artificial intelligence and a mobile application. With this study, individuals were able to determine the degree of burns and see how to intervene through the mobile application. METHODS This research was conducted between 26.10.2021-01.09.2023. In this study, the dataset was handled in two stages. In the first stage, the open-access dataset was taken from https://universe.roboflow.com/, and the burn images dataset was created. In the second stage, in order to determine the accuracy of the developed system and artificial intelligence model, the patients admitted to the hospital were identified with our own design Burn Wound Detection Android application. RESULTS In our study, YOLO V7 architecture was used for segmentation, classification, and object detection. There are 21018 data in this study, and 80% of them are used as training data, and 20% of them are used as test data. The YOLO V7 model achieved a success rate of 75.12% on the test data. The Burn Wound Detection Android mobile application that we developed in the study was used to accurately detect images of individuals. CONCLUSION In this study, skin burn images were segmented, classified, object detected, and a mobile application was developed using artificial intelligence. First aid is crucial in burn cases, and it is an important development for public health that people living in the periphery can quickly determine the degree of burn through the mobile application and provide first aid according to the instructions of the mobile application.
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Affiliation(s)
- Metin Yıldız
- Department of Nursing, Sakarya University, Sakarya, Turkey.
| | - Yakup Sarpdağı
- Department of Nursing Van Yuzuncu Yil University, Turkey
| | - Mehmet Okuyar
- Sakarya University of Applied Sciences Biomedical Engineering, Sakarya, Turkey
| | - Mehmet Yildiz
- Sakarya University of Applied Sciences, Distance Education Research and Application Center, Sakarya, Turkey
| | - Necmettin Çiftci
- Muş Alparslan University, Faculty of Health Sciences, Department of Nursing, 49100 Muş, Turkey
| | - Ayşe Elkoca
- Gaziantep Islamic University of Science and Technology Faculty of Health Sciences, Midwifery, Turkey
| | - Mehmet Salih Yildirim
- Vocational School of Health Services, Agri Ibrahim Cecen University School of Health, Agri, Turkey
| | | | - Mehmet Parlak
- Ataturk University, Department of Nursing, Erzurum, Turkey
| | - Bünyamin Bingöl
- Sakarya University, Electrical and Electronics Engineering, Sakarya, Turkey
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Çelen MK, Ertürk Şengel B, Kaya Ş, Demirtürk N, Azap A, Pullukçu H, Eroğlu E, Yıldırım F, Barut HŞ, Zerdali E, Sağmak Tartar A, Mete AÖ, Şahin AM, Mutay Suntur B, Sarı ND, Yılmaz E, Candevir A, Şimşek F, İnan D, Akhan S, Asan A, Günal Ö, Ural O, Parlak M, Çabalak M, Nazik S, Hızel K, Kınıklı S, Beştepe Dursun Z, Batırel A, Mermutluoğlu Ç. Treatment initiation rates of patients with positive anti-hepatitis C virus results in tertiary hospitals in Turkey. J Infect Dev Ctries 2024; 18:441-449. [PMID: 38635621 DOI: 10.3855/jidc.17910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 07/31/2023] [Indexed: 04/20/2024] Open
Abstract
INTRODUCTION The aim of this national, multicenter, cross-sectional, retrospective chart review study was to determine the proportion of patients in Turkey who received hepatitis C virus (HCV) treatment after receiving positive anti-HCV results during HCV screening. METHODOLOGY Data related to patients' demographics, laboratory results, time interval from obtaining a positive anti-HCV result to treatment initiation, specialty of the physician requesting anti-HCV screening, and type of hospital were analyzed. RESULTS Among 1,000 patients who received a positive anti-HCV result, 50.3% were male and 78.5% were screened for HCV-RNA. Among HCV-RNA screened patients, 54.8% (n = 430) had a positive result. Among patients who tested positive for HCV-RNA, 72.8% received HCV treatment in line with their positive anti-HCV results. The median time from obtaining a positive anti-HCV result to initiation of HCV treatment was 91.0 days (interquartile range 42.0 to 178.5). Non-surgical branches requested HCV-RNA testing more frequently than surgical branches (p < 0.001). The rate of access to HCV treatment was higher among patients screened in university hospitals than among patients screened in training and research hospitals (p < 0.001). CONCLUSIONS Our results indicate a higher rate of treatment initiation among patients with HCV infection than is described in the published literature. Furthermore, the time from screening to treatment initiation was considerably shorter compared with other international studies. However, since HCV-RNA testing was not requested in a significant portion of patients with a positive anti-HCV test result, there might be a large patient population with HCV who do not receive treatment.
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Affiliation(s)
- Mustafa K Çelen
- Department of Infectious Diseases, Dicle University Medical Faculty, Diyarbakır, Turkey
| | - Buket Ertürk Şengel
- Department of Infectious Diseases, Pendik Training and Research Hospital, İstanbul, Turkey
| | - Şafak Kaya
- Department of Infectious Diseases, Sağlık Bilimleri University Diyarbakır Gazi Yaşargil Training and Research Hospital, Diyarbakır, Turkey
| | - Neşe Demirtürk
- Department of Infectious Diseases, Afyonkarahisar Sağlık Bilimleri University Medical Faculty, Afyonkarahisar, Turkey
| | - Alpay Azap
- Department of Infectious Diseases and Clinical Microbiology, İbn-i Sina Research and Application Hospital, Ankara University Medical Faculty, Ankara, Turkey
| | - Hüsnü Pullukçu
- Department of Infectious Diseases and Clinical Microbiology, Ege University Medical Faculty, İzmir, Turkey
| | - Esma Eroğlu
- Department of Infectious Diseases, Konya Meram State Hospital, Konya, Turkey
| | - Figen Yıldırım
- Department of Infectious Diseases and Clinical Microbiology, Antalya Training and Research Hospital, Antalya, Turkey
| | - Hüseyin Ş Barut
- Department of Infectious Diseases, Gaziosmanpaşa University Research and Application Hospital, Tokat, Turkey
| | - Esra Zerdali
- Department of Infectious Diseases and Clinical Microbiology, Haseki Training and Research Hospital, İstanbul, Turkey
| | - Ayşe Sağmak Tartar
- Department of Infectious Diseases, Fırat University Medical Faculty, Elazığ, Turkey
| | - Ayşe Ö Mete
- Department of Infectious Diseases, Gaziantep University Şahinbey Research and Application Hospital, Gaziantep, Turkey
| | - Ahmet M Şahin
- Department of Infectious Diseases, Giresun University Prof. Dr. A. İlhan Özdemir Training and Research Hospital, Giresun, Turkey
| | - Bedia Mutay Suntur
- Department of Infectious Diseases, Adana City Training and Research Hospital, Adana, Turkey
| | - Nagehan D Sarı
- Department of Infectious Diseases and Clinical Microbiology, İstanbul Training and Research Hospital, İstanbul, Turkey
| | - Emel Yılmaz
- Department of Infectious Diseases and Clinical Microbiology, Bursa Uludağ University Medical Faculty, Bursa, Turkey
| | - Aslıhan Candevir
- Department of Infectious Diseases and Clinical Microbiology, Adana Çukurova University Hospital, Adana, Turkey
| | - Funda Şimşek
- Department of Infectious Diseases and Clinical Microbiology, Prof. Dr. Cemil Taşcıoğlu City Hospital, İstanbul, Turkey
| | - Dilara İnan
- Department of Infectious Diseases, Akdeniz University Hospital, Antalya, Turkey
| | - Sıla Akhan
- Department of Infectious Diseases and Clinical Microbiology, Kocaeli University Research and Application Hospital, Kocaeli, Turkey
| | - Ali Asan
- Department of Infectious Diseases, Bursa Yüksek İhtisas Training and Research Hospital, Bursa, Turkey
| | - Özgür Günal
- Department of Infectious Diseases and Clinical Microbiology, Sağlık Bilimleri University Samsun Training and Research Hospital, Samsun, Turkey
| | - Onur Ural
- Department of Infectious Diseases, Selçuk University Medical Faculty, Konya, Turkey
| | - Mehmet Parlak
- Department of Infectious Diseases and Clinical Microbiology, Atatürk University Medical Faculty Hospital, Erzurum, Turkey
| | - Mehmet Çabalak
- Department of Infectious Diseases, Mustafa Kemal University Research and Application Hospital, Hatay, Turkey
| | - Selçuk Nazik
- Department of Infectious Diseases, Kahramanmaraş Sütçü İmam University Research and Application Hospital, Kahramanmaraş, Turkey
| | - Kenan Hızel
- Department of Infectious Diseases, Gazi University Medical Faculty Hospital, Ankara, Turkey
| | - Sami Kınıklı
- Department of Infectious Diseases and Clinical Microbiology, Ankara Training and Research Hospital, Ankara, Turkey
| | - Zehra Beştepe Dursun
- Department of Infectious Diseases and Clinical Microbiology, Kayseri City Training and Research Hospital, Kayseri, Turkey
| | - Ayşe Batırel
- Department of Infectious Diseases, Dr. Lütfi Kırdar City Hospital, İstanbul, Turkey
| | - Çiğdem Mermutluoğlu
- Department of Infectious Diseases, Dicle University Medical Faculty, Diyarbakır, Turkey
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Özkaçmaz A, Dicle Y, Bayram Y, Parlak M, Akış F, Çallı İ. The Distribution and the Antimicrobial Susceptibility Features of Microorganisms Isolated From the Burn Wounds: A 10-Year Retrospective Analysis. J Burn Care Res 2024; 45:384-397. [PMID: 37847516 DOI: 10.1093/jbcr/irad158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Indexed: 10/18/2023]
Abstract
In this study, we aimed to evaluate the distribution features and antimicrobial susceptibility test results of the microorganisms isolated from the wounds of pediatric and adult patients with burn. The culture and susceptibility test results of the microorganisms, isolated from the wound swabs of the patients hospitalized in a tertiary-burn care center in 10-year period, were retrospectively screened on the microbiology department databases. Their distribution of isolated microorganisms regarding species and susceptibility test results were compared with previous studies. A total of 367 microorganisms, isolated from the burn wounds of 293 patients (13 ± 18.9 years, F/M: 0.93) (73 adults and 220 pediatric patients), were included in this study. A solitary agent was isolated in 239 (81.6%) patients, while 2 were isolated in 43 (14.7%) and 3 or more agents in 11 (3.8%). From these, 33% of the isolated microorganisms were gram-positive cocci, 61% were gram-negative bacteria, and 6% were Candida spp. The most common isolated microorganisms were Staphylococcus aureus (18.5%), Pseudomonas spp. (16.9%), and Escherichia coli (11.2%), while the least common was Streptococcus spp. (2.5%). Methicillin resistance was 15% among the S. aureus strains. No resistance was observed against levofloxacin, vancomycin, teicoplanin, linezolid, daptomycin, fusidic acid, and tigecycline in S. aureus strains. The highest resistance rates were observed against levofloxacin (64%), tobramycin (64%), pip/tazobactam (63%), imipenem (63%), and the lowest against colistin (5%) and ceftazidime (29%), among Pseudomonas spp. The most common causative agents in burn wound infections and their current antimicrobial susceptibility features should be well identified, in order for prevention of serious complications and optimal management the condition to occur.
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Affiliation(s)
- Ayşe Özkaçmaz
- Department of Microbiology, Faculty of Medicine, Yüzüncü Yıl University, Van 65080, Turkey
| | - Yalçın Dicle
- Department of Microbiology, Faculty of Medicine, Mardin Artuklu University, Mardin 47200, Turkey
| | - Yasemin Bayram
- Department of Microbiology, Faculty of Medicine, Yüzüncü Yıl University, Van 65080, Turkey
| | - Mehmet Parlak
- Department of Microbiology, Faculty of Medicine, Yüzüncü Yıl University, Van 65080, Turkey
| | - Feride Akış
- Department of Microbiology, Cengiz Gökçek Gynecology and Pediatrics Hospital, Gaziantep 27010, Turkey
| | - İskan Çallı
- Department of General Surgery, Faculty of Medicine, Yüzüncü Yıl University, Van 65080, Turkey
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Speidel AJ, Wolf A, Peraud A, Schuler-Ortoli M, Parlak M. [Orbital impalement injury in childhood: the importance of imaging and interdisciplinary treatment]. Ophthalmologie 2023; 120:860-862. [PMID: 36074169 DOI: 10.1007/s00347-022-01724-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Revised: 08/01/2022] [Accepted: 08/16/2022] [Indexed: 06/15/2023]
Affiliation(s)
- A J Speidel
- Klinik für Augenheilkunde, Universitätsklinik Ulm, Ulm, Deutschland.
- Universitätsaugenklinik Ulm, Prittwitzstr. 43, 89075, Ulm, Deutschland.
| | - A Wolf
- Klinik für Augenheilkunde, Universitätsklinik Ulm, Ulm, Deutschland
| | - A Peraud
- Klinik für Neurochirurgie, Sektion pädiatrische Neurochirurgie, Universitätsklinik Ulm, Ulm, Deutschland
| | - M Schuler-Ortoli
- Klinik für Neurochirurgie, Sektion pädiatrische Neurochirurgie, Universitätsklinik Ulm, Ulm, Deutschland
| | - M Parlak
- Klinik für Augenheilkunde, Universitätsklinik Ulm, Ulm, Deutschland
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Parlak M, Everest T, Tunçay T. Spatial distribution of heavy metals in soils around cement factory and health risk assessment: a case study of Canakkale-Ezine (NW Turkey). Environ Geochem Health 2023; 45:5163-5179. [PMID: 37085738 DOI: 10.1007/s10653-023-01578-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 04/12/2023] [Indexed: 05/03/2023]
Abstract
Sustainable use of agricultural land plays a crucial role in ensuring food security. For sustainable use of soils, it is very important to focus on the pollution status. This study was conducted on the soils in the northern part of the Ezine district in northwestern Turkey. The study aimed to determine the physicochemical properties of the soils in the vicinity of the cement plant, the concentrations of heavy metals, the spatial distribution of heavy metals, and their impact on the health of the local human population. Soil samples were collected from the cement plant in different directions (S,W, N, E, NE, SW) and at different distances (1, 3, 5, and 7 km) from 0-10 cm depth with three replicates. The soil samples were analyzed for texture, pH, electrical conductivity, lime, and heavy metals such as Cd, Co, Cu, Fe, Mn, Ni, Pb, and Zn. The soils had different textures (loam, sandy clay loam, loam, sandy loam), slightly alkaline pH, low lime content, and moderate organic matter content. Except for Cd and Pb, the average values of the other heavy metals (Co = 1.18 < 19 mg kg-1,Cr = 50.92 < 90 mg kg-1, Cu = 31.21 < 45 mg kg-1, Fe = 16,007 < 47,200 mg kg-1, Mn = 499.68 < 850 mg kg-1, Ni = 41.17 < 68 mg kg-1, Zn = 50.91 < 95 mg kg-1) in the soils were below the normal background level. The heavy metal contents of the soils in the study area are influenced by various sources (geological structure, agrochemicals used in agricultural activities, and vehicle traffic). The prevailing wind direction did not influence the local distribution of heavy metals in soils in the study area. The health risk assessment model studies showed that the hazard quotient values of less than 1 for adults and children indicate that the noncarcinogenic risks were insignificant. People exposed to heavy metals in the soils of the study area contaminated from various sources for a long time could be at carcinogenic risk. Since Cr and Pb exceed the acceptable risk range in children and Cr exceeds the acceptable risk range in adults, geochemical monitoring of soils should be conducted periodically by authorized institutions in the study area.
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Affiliation(s)
- Mehmet Parlak
- Canakkale Onsekiz Mart University, Lapseki Vocational School, Canakkale, Turkey.
| | - Timuçin Everest
- Canakkale Onsekiz Mart University, Lapseki Vocational School, Canakkale, Turkey
| | - Tülay Tunçay
- Soil Fertilizer and Water Resources Central Research Institute, Ankara, Turkey
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Parlak M, Ener D. Nutritional knowledge levels and food preferences of teachers. Med-Science 2023. [DOI: 10.5455/medscience.2022.10.217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023] Open
Abstract
Nutritional knowledge includes knowing nutritional processes, major nutritional sources of foods, the relationship of diet to health and disease, and dietary recommendations. This study aimed to determine teachers' basic nutrition and nutrition-health knowledge levels, who are important opinion leaders in society, and to evaluate their food preferences. The research, a cross-sectional study, was carried out in a district in 2022. 280 teachers were included in the research. The survey form consists of 14 questions about sociodemographic information and nutritional preferences; and 32 questions on the “Nutrition Knowledge Level Scale for Adults” (NKLSA). The t-test in independent groups, Pearson Correlation and the Chi-Square test were used for statistical analysis. More than half of the teachers had a medium level of basic nutritional knowledge, nearly half had a good level of food preferences and a 52% correlation between their knowledge levels. The frequency of those with poor basic nutritional knowledge is significantly higher in men than in women. When the teachers' body mass indexes, daily water consumption, breakfast habits, number of daily meals, and skipping meals were evaluated according to information about nutrition, no significant difference was found in basic nutritional knowledge scores and food preference scores. It should be ensured that teachers have access to the right information sources about nutrition, and awareness activities should be carried out for nutrition, including students, to obtain accurate information about nutritional information and food preferences.
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Donbaloğlu Z, Bedel A, Çetiner EB, Singin B, Behram BA, Tuhan H, Parlak M. EFFECTS OF THE GONADOTROPIN-RELEASING HORMONE AGONIST THERAPY ON GROWTH AND BODY MASS INDEX IN GIRLS WITH IDIOPATHIC CENTRAL PRECOCIOUS PUBERTY. Acta Endocrinol (Buchar) 2022; 18:181-186. [PMID: 36212259 PMCID: PMC9512371 DOI: 10.4183/aeb.2022.181] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
OBJECTIVE We aimed to examine the auxological findings of girls diagnosed with idiopathic central precocious puberty (CPP) at the end of the GnRHa treatment and to investigate the effect of related factors on the height gain of those patients. DESIGN Single-center, descriptive, cross-sectional retrospective study. METHOD A total of 43 patients who were diagnosed with idiopathic CPP and treated with GnRHa between 2012 - 2021 were included in to the study. RESULTS A decline in height standard deviation score (SDS) from 1.20 ± 0.14 to 1.02 ± 0.06 during the therapy was observed (P<0.001). The bone age/chronological age ratio was decreased and predictive adult height was increased at the end of the therapy (P<0.001; P=0.001). Both the rates of being overweight and obesity were increased (38.6% to 50% and 9% to 15.9%) when the treatment onset compared to the end of therapy. At the end of the treatment, the mean body mass index (BMI) SDS of the overweight patients was still higher compared to the normal-weight group (P<0.001). CONCLUSION We observed a positive effect of GnRHa therapy on height potential. An increase in BMI during the therapy has been also demonstrated especially in subjects who were overweight before treatment.
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Affiliation(s)
| | | | | | | | | | | | - M. Parlak
- Correspondence to: Mesut Parlak MD, Akdeniz University Hospital, Pinarbasi, Pediatric Endocrinology, Antalya, 07058, Turkey, E-mail:
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Cilli A, Hanta I, Uzer F, Coskun F, Sevinc C, Deniz PP, Parlak M, Altunok E, Tertemiz KC, Ursavas A. Characteristics and outcomes of COVID-19 patients with IPF: a multi-center retrospective study. Respir Med Res 2022; 81:100900. [PMID: 35338917 PMCID: PMC8890788 DOI: 10.1016/j.resmer.2022.100900] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 02/18/2022] [Accepted: 02/25/2022] [Indexed: 11/10/2022]
Abstract
Background There are few data on severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) (COVID-19) infection in patients with idiopathic pulmonary fibrosis (IPF). The objective of this study is to describe the characteristics and outcomes of IPF patients confirmed COVID-19 infection. Methods In this retrospective, multi-center, cohort study, patients from 4 hospital medical records with known IPF and a COVID-19 diagnosis were identified. Demographic and clinical outcome data were abstracted through a review of electronic medical records. Results Records for 46 patients with IPF and COVID-19 were abstracted. The mean age was 65±10 years. The most common symptom was dyspnea, followed by fever and cough. Ground-glass opacities (n = 35, 83.3%) and consolidations (n = 11, 26.1%) were the main imaging features of the disease in thorax computed tomography (CT). Twenty-four patients (52.1%) required hospitalization. Among the hospitalized patients, 16 (66.6%) were admitted to the intensive care unit (ICU), and 10 (41.6%) underwent invasive mechanical ventilation. Thirteen patients (28.2%) died of COVID-19 complications. Mortality rate was significantly associated with lower DLCO/VA, long term oxygen therapy and consolidation finding on CT of thorax (p<0.05). On multivariable analysis, neither factor was associated with hospitalization or mortality. Conclusions IPF patients represent a vulnerable population for COVID-19, according to the high rate of hospitalization, ICU requirement, and mortality rate. Measures to minimize the risk of COVID-19 infection remain key to protect IPF patients.
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Parlak M, Ozbey M. Awareness levels of teachers of child negligence and abuse: Rural area example. Med-Science 2022. [DOI: 10.5455/medscience.2022.07.155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
It was aimed to determine the frequency of teachers' encounters with child neglect and abuse and their views on this subject in this study. It is a cross-sectional and descriptive study. Three hundred eighty-eight teachers working in 40 primary schools and 18 high schools were selected with the cluster sampling method. Data was collected through a survey. The Chi-Square tests were applied. 21.6% of the research group reported that they encountered cases of neglect and 46.1% reported cases of abuse. 41.8% of the research group stated that they did not receive child neglect and abuse training. While 26.2% of them find themselves sufficient in diagnosing cases of neglect and abuse, 73.8% find themselves partially sufficient or insufficient. A significant relationship was found between self-efficacy in diagnosing cases according to gender, the number of years of work, receiving education about neglect and abuse, type of abuse, and reporting. While the rate of women who consider reporting suspected child neglect or abuse mandatory is significantly higher than men, the rate of those who find themselves sufficient in diagnosing child neglect or abuse is significantly higher in males. Among the abuse types, the rate of teachers who are faced with the suspicion of sexual abuse in diagnosing the case is significantly higher than the other types of abuse. The rate of teachers receiving training on cases of neglect and abuse and finding themselves competent in this regard is low. Men, those who have worked for 16-20 years, and teachers who have been trained in this subject find themselves more competent in diagnosing child neglect or abuse. Diagnosis the sexual abuse is higher than the other types. Regardless of the incident, the most important factor for teachers to find themselves competent is acquiring knowledge through pre-service or in-service training.
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Karaşin G, Bayram Y, Parlak M, Aypak C, Akgül M, Güdücüoğlu H. The evaluation of vancomycin-resistant enterococci and carbapenamase producing Klebsiella colonization among ICU-Hospitalized Patients. Afr Health Sci 2021; 21:1662-1668. [PMID: 35283955 PMCID: PMC8889802 DOI: 10.4314/ahs.v21i4.20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Background Multi-drug resistant organisms, especially Vancomycin-Resistant Enterococcus (VRE) and Carbapenam Resistant Klebsiella pneumoniae (KPC), are serious health threat. Early detection of resistant bacteria colonization among patients in intensive care units (ICUs) not only enables effective treatment but more importantly prevents disease and limits transmission. Therefore, we aimed to to assess the frequency of VRE and KPC colonization via rectal swab sampling. Methods The study was carried out in ICUs of a tertiary hospital. Two rectal swab samples were collected within the first 24 hours of admission and another one was taken every subsequent 15 days to test for for VRE and KPC carriage. Results A total 316 rectal swab samples taken from 230 patients. Forty-seven patients were screened at least 2 times. 183 patients were not further screened due to discharge, exitus or transfer to other wards. Thirty-six patients (16%) were determined to be VRE (+). The most frequently isolated strain was E. faecium (80.5%) and its most common genotype was VanA (87.5%). Seven patients (3%) were identified as KPC (+). OXA-48 type crbapenamase was confirmed in all KPC isolates. Conclusion This study shows that VRE and KPC colonization continues to be a serious threat in ICUs.
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Affiliation(s)
- Gökhan Karaşin
- Microbiology Laboratory. Van Training and Research Hospital, 65300, Van, Turkey
| | - Yasemin Bayram
- Department of Microbiology, Van Yüzüncü Yıl University, Medical Faculty, 65080, Van, Turkey
| | - Mehmet Parlak
- Department of Microbiology, Van Yüzüncü Yıl University, Medical Faculty, 65080, Van, Turkey
| | - Cenk Aypak
- Department of Family Medicine, University of Health Sciences, Ankara Dışkapı Yıldırım Beyazıt Training and Research Hospital, 06110, Ankara, Turkey
| | - Mustafa Akgül
- Department of Family Medicine, University of Health Sciences, Ankara Dışkapı Yıldırım Beyazıt Training and Research Hospital, 06110, Ankara, Turkey
| | - Hüseyin Güdücüoğlu
- Department of Microbiology, Van Yüzüncü Yıl University, Medical Faculty, 65080, Van, Turkey
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Parlak E, Kerget F, Demirdal T, Şen P, Ulaş AB, Öztürk Durmaz Ş, Pekok U, Ertürk A, Akyol D, Kepenek Kurt E, Köksal Alay H, Pullukçu H, Taşbakan M, Erol S, Laloğlu E, Öztürk Engin D, Ağalar C, Parlak M. The Epidemiology, Clinical Manifestations, Radiology, Microbiology, Treatment, and Prognosis of Echinococcosis: Results of NENEHATUN Study. Vector Borne Zoonotic Dis 2021; 21:948-954. [PMID: 34647813 DOI: 10.1089/vbz.2021.0029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Aim: Echinococcosis, caused by Echinococcus species, is an important zoonotic disease causing major health problems in humans and animals. Herein, we aimed to evaluate the epidemiology, clinical and laboratory parameters, radiological, serological, pathological, and treatment protocols of followed-up cases of hydatidosis. Methods: A total of 550 patients diagnosed with hydatid cyst disease were included in this study. Patients who were positive for one or more of the enzyme-linked immunosorbent assay or indirect hemagglutination test, pathological results, or radiological findings were examined. The data analyzed were collected from nine centers between 2008 and 2020. Records were examined retrospectively. Results: Among the patients, 292 (53.1%) were women and 258 (46.9%) were men. The patients' mean age was 44.4 ± 17.4 years. A history of living in rural areas was recorded in 57.4% of the patients. A total of 435 (79.1%) patients were symptomatic. The most common symptoms were abdominal pain in 277 (50.4%), listlessness in 244 (44.4%), and cough in 140 (25.5%) patients. Hepatomegaly was found in 147 (26.7%), and decreased breath sounds were observed in 124 (22.5%) patients. Radiological examination was performed in all cases and serological methods were also applied to 428 (77.8%) patients. The most frequently applied serological test was IHA (37.8%). A single cyst has been found in 66% patients. Hepatic involvement occurred in 327 (59.4%), pulmonary involvement was found in 128 (23.3%), whereas both of them were recorded in 43 (7.8%) patients. Splenic involvement was only detected in nine (1.6%) patients. Echinococcus granulosus (72.5%) was most frequently detected. Cyst diameters of 56.9% of the patients were in the range of 5-10 cm. A total of 414 (75.2%) patients received albendazole as an antiparasitic. Mortality was noted in nine (1.6%) patients. Conclusion: Echinococcosis is an important public health problem in Turkey. It can affect the social, economic, and political structures of the community. Public education and awareness are extremely important.
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Affiliation(s)
- Emine Parlak
- Department of Infectious Diseases and Clinical Microbiology, Atatürk University Faculty of Medicine, Erzurum, Turkey
| | - Ferhan Kerget
- Department of Infectious Diseases and Clinical Microbiology, Erzurum Regional Training and Research Hospital, Erzurum, Turkey
| | - Tuna Demirdal
- Department of Infectious Diseases and Clinical Microbiology, Kâtip Çelebi University Atatürk Training and Research Hospital, İzmir, Turkey
| | - Pınar Şen
- Department of Infectious Diseases and Clinical Microbiology, Saruhanlı State Hospital, Manisa, Turkey
| | - Ali Bilal Ulaş
- Department of Thoracic Surgery, Atatürk University Faculty of Medicine, Erzurum, Turkey
| | - Şenay Öztürk Durmaz
- Department of Infectious Diseases and Clinical Microbiology, Antalya, Turkey
| | - Umut Pekok
- Department of Infectious Diseases and Clinical Microbiology, VM Medical Park Pendik Hospital, İstanbul, Turkey
| | - Ayşe Ertürk
- Department of Infectious Diseases and Clinical Microbiology, Recep Tayyip Erdoğan University Faculty of Medicine, Rize, Turkey
| | - Deniz Akyol
- Department of Infectious Diseases and Clinical Microbiology, Ege University Faculty of Medicine, İzmir, Turkey
| | - Esma Kepenek Kurt
- Department of Infectious Diseases and Clinical Microbiology, Necmettin Erbakan University Faculty of Medicine, Konya, Turkey
| | - Handan Köksal Alay
- Department of Infectious Diseases and Clinical Microbiology, Atatürk University Faculty of Medicine, Erzurum, Turkey
| | - Hüsnü Pullukçu
- Department of Infectious Diseases and Clinical Microbiology, Ege University Faculty of Medicine, İzmir, Turkey
| | - Meltem Taşbakan
- Department of Infectious Diseases and Clinical Microbiology, Ege University Faculty of Medicine, İzmir, Turkey
| | - Serpil Erol
- Infectious Diseases and Clinical Microbiology Clinic, Istanbul Haydarpaşa Numune Training and Research Hospital, İstanbul, Turkey
| | - Esra Laloğlu
- Department of Biochemistry, Atatürk University Faculty of Medicine, Erzurum, Turkey
| | - Derya Öztürk Engin
- Infectious Diseases and Clinical Microbiology Clinic, Fatih Sultan Mehmet Training and Research Hospital, Istanbul, Turkey
| | - Canan Ağalar
- Department of Infectious Diseases and Clinical Microbiology, Medıcana Ataşehir Hospital, İstanbul, Turkey
| | - Mehmet Parlak
- Department of Infectious Diseases and Clinical Microbiology, Atatürk University Faculty of Medicine, Erzurum, Turkey
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Ölmez S, Tuncer Ö, Parlak M, Bıçakçıgil A, Gürsoy NC, Otlu B, Güdücüoğlu H, Sancak B. Comparison of Conventional Methods, Automated Systems, and DNA Sequence Analysis Methods in the Identification of Corynebacterium afermentans and Corynebacterium mucifaciens Bacteria Isolated from Blood and Catheter Culture Samples. Microb Drug Resist 2021; 27:919-923. [PMID: 33411575 DOI: 10.1089/mdr.2020.0039] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
The aim of this study is to compare different methods due to the difficulties in identifying coryneform bacteria to species level and to determine antibiotic resistance profiles. Isolates identified as Turicella otitidis (n:45) by VITEK 2 Compact and Corynebacterium mucifaciens (n:1) by matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF MS), isolated from blood and catheter cultures between 2015 and 2017 were included in the study. For identification of the isolates, conventional tests and 16S rDNA sequence analysis were performed. Antibiotic susceptibilities of the isolates were determined by Etest. The isolates identified as T. otitidis with VITEK 2 Compact could not be identified by MALDI-TOF MS and described as C. mucifaciens/Corynebacterium afermentans spp. by 16S rDNA sequence analysis. One isolate identified as C. mucifaciens by MALDI-TOF MS could not be identified with VITEK 2 Compact and described as C. mucifaciens by 16S rDNA sequence analysis and conventional methods. All isolates (n:45) described as C. mucifaciens/C. afermentans spp. by 16S rDNA sequence analysis were identified as C. afermentans subsp. afermentans with conventional methods. All 45 isolates identified as C. afermentans subsp. afermentans were resistant to penicillin, erythromycin, and clindamycin and were susceptible to vancomycin and daptomycin, whereas 31 (69%) were resistant to trimethoprim-sulfamethoxazole (TMP-SXT). The isolate identified as C. mucifaciens was susceptible to penicillin, vancomycin, daptomycin, and TMP-SXT; it was resistant to erythromycin and clindamycin. In this study, we reported 45 C. afermentans isolates misidentified as T. otitidis in routine laboratory processes. To our knowledge, this is the first study to include the highest number of C. afermentans blood isolates.
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Affiliation(s)
- Serpil Ölmez
- Department of Medical Microbiology, Yüksekova State Hospital, Hakkari, Turkey
| | - Özlem Tuncer
- Department of Medical Microbiology, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Mehmet Parlak
- Department of Medical Microbiology, Yüzüncü Yil University Faculty of Medicine, Van, Turkey
| | - Asiye Bıçakçıgil
- Department of Medical Microbiology, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Nafia Canan Gürsoy
- Department of Medical Microbiology, Inönü University Faculty of Medicine, Malatya, Turkey
| | - Barış Otlu
- Department of Medical Microbiology, Inönü University Faculty of Medicine, Malatya, Turkey
| | - Hüseyin Güdücüoğlu
- Department of Medical Microbiology, Yüzüncü Yil University Faculty of Medicine, Van, Turkey
| | - Banu Sancak
- Department of Medical Microbiology, Hacettepe University Faculty of Medicine, Ankara, Turkey
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Sulaiman T, Medi S, Erdem H, Senbayrak S, Ozturk-Engin D, Inan A, Civljak R, Nechifor M, Akbulut A, Crisan A, Ozguler M, Namiduru M, Savic B, Dulovic O, Pehlivanoglu F, Sengoz G, Yasar K, Inal AS, Parlak E, Johansen IS, Kursun E, Parlak M, Yilmaz E, Yilmaz G, Gul HC, Oncul O, Siméon S, Tattevin P, Ulu-Kilic A, Alabay S, Beovic B, Catroux M, Hansmann Y, Harxhi A, Sener A, Ozkaya HD, Cağ Y, Agalar C, Vahaboglu H, Ugur BK, Hasbun R. The diagnostic utility of the "Thwaites' system" and "lancet consensus scoring system" in tuberculous vs. non-tuberculous subacute and chronic meningitis: multicenter analysis of 395 adult patients. BMC Infect Dis 2020; 20:788. [PMID: 33096990 PMCID: PMC7585215 DOI: 10.1186/s12879-020-05502-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Accepted: 10/12/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Tuberculous meningitis (TBM) represents a diagnostic and management challenge to clinicians. The "Thwaites' system" and "Lancet consensus scoring system" are utilized to differentiate TBM from bacterial meningitis but their utility in subacute and chronic meningitis where TBM is an important consideration is unknown. METHODS A multicenter retrospective study of adults with subacute and chronic meningitis, defined by symptoms greater than 5 days and less than 30 days for subacute meningitis (SAM) and greater than 30 days for chronic meningitis (CM). The "Thwaites' system" and "Lancet consensus scoring system" scores and the diagnostic accuracy by sensitivity, specificity, and area under the curve of receiver operating curve (AUC-ROC) were calculated. The "Thwaites' system" and "Lancet consensus scoring system" suggest a high probability of TBM with scores ≤4, and with scores of ≥12, respectively. RESULTS A total of 395 patients were identified; 313 (79.2%) had subacute and 82 (20.8%) with chronic meningitis. Patients with chronic meningitis were more likely caused by tuberculosis and had higher rates of HIV infection (P < 0.001). A total of 162 patients with TBM and 233 patients with non-TBM had unknown (140, 60.1%), fungal (41, 17.6%), viral (29, 12.4%), miscellaneous (16, 6.7%), and bacterial (7, 3.0%) etiologies. TMB patients were older and presented with lower Glasgow coma scores, lower CSF glucose and higher CSF protein (P < 0.001). Both criteria were able to distinguish TBM from bacterial meningitis; only the Lancet score was able to differentiate TBM from fungal, viral, and unknown etiologies even though significant overlap occurred between the etiologies (P < .001). Both criteria showed poor diagnostic accuracy to distinguish TBM from non-TBM etiologies (AUC-ROC was <. 5), but Lancet consensus scoring system was fair in diagnosing TBM (AUC-ROC was .738), sensitivity of 50%, and specificity of 89.3%. CONCLUSION Both criteria can be helpful in distinguishing TBM from bacterial meningitis, but only the Lancet consensus scoring system can help differentiate TBM from meningitis caused by fungal, viral and unknown etiologies even though significant overlap occurs and the overall diagnostic accuracy of both criteria were either poor or fair.
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Affiliation(s)
- Tarek Sulaiman
- Department of Internal Medicine, Section of Infectious Diseases, UT Health McGovern Medical School, University of Texas Health Sciences Center, 6431 Fannin St. 2.112 MSB, Houston, Texas, 77030m, USA
| | - Sai Medi
- Department of Internal Medicine, Section of Infectious Diseases, UT Health McGovern Medical School, University of Texas Health Sciences Center, 6431 Fannin St. 2.112 MSB, Houston, Texas, 77030m, USA
| | - Hakan Erdem
- Department of Infectious Diseases and Clinical Microbiology, Umut Hospital, Ordu, Turkey
| | - Seniha Senbayrak
- Department of Clinical Microbiology and Infectiıus Diseases, University of Health Sciences, HaydarpaşaTraining and Research Hospital, Istanbul, Turkey
| | - Derya Ozturk-Engin
- Department of Clinical Microbiology and Infectiıus Diseases, University of Health Sciences, Fatih Sultan Mehmet Training and Research Hospital, Istanbul, Turkey
| | - Asuman Inan
- Department of Clinical Microbiology and Infectiıus Diseases, University of Health Sciences, HaydarpaşaTraining and Research Hospital, Istanbul, Turkey
| | - Rok Civljak
- Department of Infectious Diseases, Dr. Fran Mihaljevic University Hospital for Infectious Diseases, University of Zagreb School of Medicine, Zagreb, Croatia
| | - Mihai Nechifor
- Department of Pharmacology, Gr. T. Popa University of Medicine and Pharmacy, Iasi, Romania
| | - Ayhan Akbulut
- Department of Infectious Diseases and Clinical Microbiology, Firat University School of Medicine, Elazig, Turkey
| | - Alexandru Crisan
- Department of Infectious Diseases, Victor Babes University of Medicine and Pharmacy, Timisoara, Romania
| | - Muge Ozguler
- Medical Sciences University Elazığ Education and Research Hospital Infectious Diseases and Clinical Microbiology Department, Elazığ, Turkey
| | - Mustafa Namiduru
- Department of Infectious Diseases and Clinical Microbiology, Gaziantep University School of Medicine, Gaziantep, Turkey
| | - Branislava Savic
- Institute of Microbiology and Immunology, National Reference Laboratory for Tuberculosis, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Olga Dulovic
- Clinic for Infectious and Tropical Diseases, Clinical Centre of Serbia, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Filiz Pehlivanoglu
- Department of Clinical Microbiology and Infectiıus Diseases, University of Health Sciences, Bakırköy Dr. Sadi Konuk Training and Research Hospital, Istanbul, Turkey
| | - Gonul Sengoz
- Department of Clinical Microbiology and Infectiıus Diseases, University of Health Sciences, Bakırköy Dr. Sadi Konuk Training and Research Hospital, Istanbul, Turkey
| | - Kadriye Yasar
- Department of Clinical Microbiology and Infectiıus Diseases, University of Health Sciences, Bakırköy Dr. Sadi Konuk Training and Research Hospital, Istanbul, Turkey
| | - Ayse Seza Inal
- Department of Infectious Diseases and Clinical Microbiology, Cukurova University School of Medicine, Adana, Turkey
| | - Emine Parlak
- Department of Infectious Diseases and Clinical Microbiology, Ataturk University School of Medicine, Erzurum, Turkey
| | | | - Ebru Kursun
- Department of Infectious Diseases and Clinical Microbiology, Baskent University School of Medicine, Adana, Turkey
| | - Mehmet Parlak
- Department of Infectious Diseases and Clinical Microbiology, Ataturk University School of Medicine, Erzurum, Turkey
| | - Emel Yilmaz
- Department of Infectious Diseases and Clinical Microbiology, Uludag University School of Medicine, Bursa, Turkey
| | - Gulden Yilmaz
- Department of Clinical Microbiology and Infectiıus Diseases, University of Health Sciences, GülhaneTraining and Research Hospital, Istanbul, Turkey
| | - Hanefi Cem Gul
- Department of Clinical Microbiology and Infectiıus Diseases, University of Health Sciences, Gülhane Medical Faculty, Istanbul, Turkey
| | - Oral Oncul
- Department of Infectious Diseases and Clinical Microbiology, Istanbul University School of Medicine, Istanbul, Turkey
| | - Soline Siméon
- Department of Infectious and Tropical Diseases, University Hospital of Pontchaillou, Rennes, France
| | - Pierre Tattevin
- Department of Infectious and Tropical Diseases, University Hospital of Pontchaillou, Rennes, France
| | - Aysegul Ulu-Kilic
- Department of Infectious Diseases and Clinical Microbiology, Erciyes University School of Medicine, Kayseri, Turkey
| | - Selma Alabay
- Department of Infectious Diseases and Clinical Microbiology, Erciyes University School of Medicine, Kayseri, Turkey
| | - Bojana Beovic
- Department of Infectious Diseases, University Medical Centre, Ljubljana, Slovenia
| | - Melanie Catroux
- Department of Infectious Diseases, Poitiers University Hospital, Poitiers, France
| | - Yves Hansmann
- Department of Infectious Diseases, University Hospital, Strasbourg, France
| | - Arjan Harxhi
- Service of Infectious Disease, University Hospital Center of Tirana, Tirana, Albania
| | - Alper Sener
- Department of Infectious Diseases and Clinical Microbiology, Onsekiz Mart University School of Medicine, Canakkale, Turkey
| | - Hacer Deniz Ozkaya
- Department of Infectious Diseases and Clinical Microbiology, Cigli Regional Education Hospital, Izmir, Turkey
| | - Yasemin Cağ
- Department of Infectious Diseases and Clinical Microbiology, Goztepe Training and Research Hospital, Istanbul Medeniyet University, Istanbul, Turkey
| | - Canan Agalar
- Department of Clinical Microbiology and Infectiıus Diseases, University of Health Sciences, Fatih Sultan Mehmet Training and Research Hospital, Istanbul, Turkey
| | - Haluk Vahaboglu
- Department of Infectious Diseases and Clinical Microbiology, Goztepe Training and Research Hospital, Istanbul Medeniyet University, Istanbul, Turkey
| | - Berna Kaya Ugur
- Department of Anesthesiology and Reanimation, Gaziantep University School of Medicine, Gaziantep, Turkey
| | - Rodrigo Hasbun
- Department of Internal Medicine, Section of Infectious Diseases, UT Health McGovern Medical School, University of Texas Health Sciences Center, 6431 Fannin St. 2.112 MSB, Houston, Texas, 77030m, USA.
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Parlak M, Everest T, Ruis SJ, Blanco H. Impact of urbanization on soil loss: a case study from sod production. Environ Monit Assess 2020; 192:588. [PMID: 32815002 DOI: 10.1007/s10661-020-08549-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Accepted: 08/11/2020] [Indexed: 06/11/2023]
Abstract
The rapidly increasing population of urban centers leads to the increasing need for greenspaces. Sodding of turfgrass provides instant greenspace, but it removes soil from sod farms. The extent of such removal has not been widely quantified. The amount quantity of soil and organic matter lost with sod harvest and the associated cost of nutrients lost from six sod farms in the Marmara region of Turkey were determined. Soil loss ranged from 166 to 243 Mg ha-1 year-1, while the associated organic matter loss ranged from 1 to 6 Mg ha-1 year-1. The amount of soil loss increased with increases in gravimetric water, clay, and silt contents, and duration under sod harvest, while it decreased with an increase in sand content. Annual nutrient lost ranged from 117 to 449 kg ha-1 for N, from 2 to 18 kg ha-1 for P2O5, and from 21 to 175 kg ha-1 for K2O. Replacing the nutrient lost would cost about $134 ha-1 year-1 for sandy soils and $444 ha-1 year-1 for fine-textured soils. Soil lost with sod harvest was 134 times higher than that from agricultural lands by erosion in the region, although the area under sod production is much smaller than that under croplands. Similarly, organic matter loss was 4 to 5 times higher than the accumulation rate under established turfgrass in golf courses and lawns in locations with similar climate. Overall, sod harvesting results in significant and costly soil, organic matter, and nutrient loss, which, although small in area, can be an important component of total soil erosion.
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Affiliation(s)
- Mehmet Parlak
- Lapseki Vocational School, Çanakkale Onsekiz Mart University, 17800, Çanakkale, Turkey.
| | - Timuçin Everest
- Lapseki Vocational School, Çanakkale Onsekiz Mart University, 17800, Çanakkale, Turkey
| | - Sabrina J Ruis
- Department of Agronomy and Horticulture, University of Nebraska, Lincoln, NE, 68583-0915, USA
| | - Humberto Blanco
- Department of Agronomy and Horticulture, University of Nebraska, Lincoln, NE, 68583-0915, USA
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Parlak M, Batur M, Ölmez S, Güdücüoğlu H, Otlu B. [The Microbiological Analysis of a Rhizobium radiobacter Outbreak After Intravitreal Injection]. MIKROBIYOL BUL 2020; 54:235-245. [PMID: 32723279 DOI: 10.5578/mb.69286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Rhizobium radiobacter, which is found in nature and causes tumorigenic plant diseases can lead to opportunistic infections, especially in people with underlying diseases. In our study, endophthalmitis that observed in ten patients caused by R.radiobacter bacteria after intravitreal ranibizumab injection in Ophthalmology Clinic were examined microbiologically. Vitreous fluid samples of 13 patients who received intravitreal ranibizumab injection were sent to the Microbiology Laboratory from Van Yuzuncu Yil University Faculty of Medicine's Ophthalmology Clinic for microbiological examination in December 21, 2016. Samples were examined under microscope after staining with Gram and cultured with 5% sheep blood agar and Eosin Methylene Blue (EMB) agar. The culture plates were incubated for 18-24 hours at 37°C in 5% CO2. At the end of this period, catalase, oxidase, and urease tests were performed on the colonies. The identification and antibiotic susceptibility tests of microorganisms growing in vitreous fluid samples were performed using BD Phoenix (Becton Dickinson, USA), Vitek 2 Compact (BioMerieux, France), and Vitek MS (BioMerieux, France) systems. In addition, 16S rDNA sequence analysis was performed and the pulsed field gel electrophoresis (PFGE) method was used to determine the clonal relationship between the isolates. After growing in cultures (one day after the procedure), culture samples were collected from the objects, medical tools and equipment, hands of healthcare staff and a new injection solution in the area where the procedure was performed. R.radiobacter was isolated in 10 of the vitreous fluid samples of 13 patients, and no bacterial growth was detected in 3. The microorganisms were found to be gram-negative bacilli, non-fermenter, motile, catalase/oxidase/urease positive, in compliance with R.radiobacter. All isolates were identified as R.radiobacter by BD Phoenix (Becton Dickinson, USA), Vitek 2 Compact (BioMerieux, France), and Vitek MS (BioMerieux, France) (database v2.0) systems. R.radiobacter isolates were found to be resistant to ampicillin, amoxicillin/clavulanate, trimethoprim/ sulfamethoxazole, cefotaxime and ceftazidime; susceptible to cefuroxime, cefepime, amikacin, gentamicin, imipenem, meropenem, ciprofloxacin, levofloxacin and piperacillin/tazobactam. The isolates were identified as R.radiobacter by 16S rDNA sequence analysis. PFGE showed that all isolates had the same band profile. R.radiobacter isolates with the same band profile likely revealed that the contamination was from the same source. However, the growth of R.radiobacter was not detected in the cultures made from the objects, medical instruments and supplies, the hands of healthcare professionals and the new injection solution in the area where the procedure was performed, and the source of the agent could not be determined. The results have shown that intravitreal injection procedure carries a risk for R.radiobacter infection. Disinfection and antisepsis conditions, before and during the procedure, is important for the prevention of such infections. This study is the first epidemic outbreak report of endophthalmitis caused by the same strain of R.radiobacter and the second article in which R.radiobacter was reported as the cause of endophthalmitis after intravitreal injection.
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Affiliation(s)
- Mehmet Parlak
- Van Yuzuncu Yil University Faculty of Medicine, Department of Medical Microbiology, Van, Turkey
| | - Muhammed Batur
- Van Yuzuncu Yil University Faculty of Medicine, Department of Ophthalmology, Van, Turkey
| | - Serpil Ölmez
- Yuksekova State Hospital, Microbiology Laboratory, Hakkari, Turkey
| | - Hüseyin Güdücüoğlu
- Van Yuzuncu Yil University Faculty of Medicine, Department of Medical Microbiology, Van, Turkey
| | - Barış Otlu
- Inonu University Faculty of Medicine, Department of Medical Microbiology, Malatya, Turkey
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Akyüz S, Parlak M, Güdücüoğlu H. [In-vitro Activity of Ceftolozane-Tazobactam in Combination with Various Antibiotics Against Multidrug-resistant Acinetobacter baumannii Isolated from Intensive Care Patients]. MIKROBIYOL BUL 2020; 54:154-162. [PMID: 32050886 DOI: 10.5578/mb.68981] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Acinetobacter species lead to nosocomial infections in immunocompromised patients hospitalized in intensive care units or services. Acinetobacter baumannii is a bacterium that is difficult to treat because it is intrinsically resistant to many antibiotics and can develop resistance afterwards. This situation limits the use of existing antibiotics and directs the clinician to new agents, different treatment options and the use of various antibiotic combinations. The aim of this study was to determine the sensitivities of doripenem (DOR), tigecycline (TGC), minocycline (MIN), amikacin (AK) and a newly developed agent ceftolozane-tazobactam (CT) in multidrug resistant A.baumannii strains which were isolated from inpatients in intensive care units and to investigate the in vitro interactions of CT/DOR, CT/TGC, CT/MIN and CT/AK combinations by using antibiotic gradient test method. Thirty-five A.baumannii strains isolated from various clinical specimens (blood, urine, sputum, tracheal aspirate, wound, abscess and catheter) between January 2017 and July 2017 were included in the study. Strains isolated from inpatients in intensive care units and resistant to at least three antibiotic classes were selected. The identification of A.baumannii isolates and the determination of routine antibiotic susceptibility profile were performed according to EUCAST 2017 criteria by the use of BD Phoenix 100 (Becton Dickinson, USA) automated system. Minimum inhibitor concentration values of CT, DOR, TGC, MIN, AK and combinations of CT with four other antibiotics (CT/DOR, CT/TGC, CT/MIN and CT/AK) were determined by antibiotic gradient test method. Fractional inhibitor concentration index (FICI) was used to determine the interactions of the combinations in vitro. According to the data obtained; the FICI was evaluated as synergy if FICI ≤ 0.5, additive if 0.5 > FICI ≤ 1, indifferent (unidentified interaction) if 1 <FICI <2 and antagonist interaction if FICI ≥ 2. According to FICI results of the antibiotic combinations, the highest synergistic interaction was observed between CT/TGC as 11.4%. No synergistic interaction was observed between CT/DOR antibiotics. The highest additive interaction rates were between CT/AK (60%) and CT/MIN (45.7%), while no additive interaction between CT/DOR was observed. Antagonist interaction was observed in CT/DOR (71.4%) combination only. In conclusion, in our study it was observed that CT, a novel beta-lactam/ beta-lactamase inhibitor, did not sufficiently affect A.baumannii isolates, but was able to induce synergistic interaction in combination with TGC, AK and MIN. CT should be carefully monitored in clinical use because of the antagonist interaction detected with DOR.
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Affiliation(s)
- Sümeyye Akyüz
- Erzincan Mengucek Gazi Training and Research Hospital, Microbiology Laboratory, Erzincan, Turkey
| | - Mehmet Parlak
- Van Yuzuncu Yıl University Faculty of Medicine, Department of Medical Microbiology, Van, Turkey
| | - Hüseyin Güdücüoğlu
- Van Yuzuncu Yıl University Faculty of Medicine, Department of Medical Microbiology, Van, Turkey
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Özden K, Özden A, Albayrak A, Özkurt Z, Döneray H, Parlak M. [Evaluation of epidemiologic and clinical features of oropharyngeal tularemia patients in the Eastern Anatolia Region of Turkey]. MIKROBIYOL BUL 2019; 52:108-110. [PMID: 29642835 DOI: 10.5578/mb.57283] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Tularemia is a zoonotic infectious disease caused by Francisella tularensis. Tularemia is endemic in the northern hemisphere and is usually seen in North America, Europe and Asia. Although the ulceroglandular tularemia is the most common form in these regions, the oropharyngeal form is more prevalent in Eastern Europe, including Turkey. The disease has importance in Turkey due to its wide geographic distribution and periodic outbreaks. The aim of this study was to determine the demographic, clinical and epidemiological characteristics of oropharyngeal tularemia patients. The demographic, clinical, epidemiological and laboratory findings of 26 tularemia patients admitted to our hospital from Erzurum and 5 neighbour provinces were analyzed retrospectively. Francisella tularensis microagglutination test (MAT) was performed for all patients whose clinical symptoms were consistent with tularemia and MAT titers ≥ 1/160 were considered positive. Twenty-six oropharyngeal tularemia patients (13 males and 13 females) were included in the study. All of the patients had cervical lymphadenopathy (LAP) at least one month period. Twenty (76.9%) of the patients included in the study were living in rural areas, and 17 (65.4%) were dealing with livestock. It was determined that 9 (34.6%) of the patients used water from municipal water supply, 9 (34.6%) of the patients used water from natural water supply and 8 (30.8%) of the patients used both of the water supplies. The most common symptoms among the patients in the study were fever in 23 (88.5%) patients, sore throat in 24 (92.3%) patients, and cervical LAP in all of the patients. Thirteen (50%) of the patients were treated with streptomycin, 7 (26.9%) with doxycycline and 6 (23.1%) with gentamicin. This is the first study showing that tularemia is present in Erzincan, Ağrı, Iğdır as well as Erzurum provinces, and it provides that the incidence has increased in this region. Tularemia diagnosis is generally underestimated due to the lack of specific symptoms. Therefore, tularemia should also be considered in patients who have complaints of sore throat and cervical LAP in non-endemic regions.
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Affiliation(s)
- Kemalettin Özden
- Atatürk University Faculty of Medicine, Department of Infectious Diseases and Clinical Microbiology, Erzurum, Turkey
| | - Ayşe Özden
- Atatürk University Faculty of Medicine, Department of Pediatric Endocrinology, Erzurum, Turkey
| | - Ayşe Albayrak
- Atatürk University Faculty of Medicine, Department of Infectious Diseases and Clinical Microbiology, Erzurum, Turkey
| | - Zülal Özkurt
- Atatürk University Faculty of Medicine, Department of Infectious Diseases and Clinical Microbiology, Erzurum, Turkey
| | - Hakan Döneray
- Atatürk University Faculty of Medicine, Department of Pediatric Endocrinology, Erzurum, Turkey
| | - Mehmet Parlak
- Atatürk University Faculty of Medicine, Department of Infectious Diseases and Clinical Microbiology, Erzurum, Turkey
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Köksal İ, Yılmaz G, Parlak M, Demirdal T, Kınıklı S, Candan M, Kaya A, Akhan S, Aydoğdu Ö, Turgut H, Gürbüz Y, Dağlı Ö, Gökal AA, Güner R, Kuruüzüm Z, Tarakçı H, Beslen N, Erdoğan S, Özdener F, Study Group TCHC. Diagnostic value of combined serum biomarkers for the evaluation of liver fibrosis in chronic hepatitis C infection: A multicenter, noninterventional, observational study. Turk J Gastroenterol 2019; 29:464-472. [PMID: 30249562 DOI: 10.5152/tjg.2018.16597] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND/AIMS The hepatitis C virus (HCV) infection is important cause of chronic hepatitis. Liver biopsy is considered the gold standard for assessment of fibrosis but this procedure is an invasive procedure. We aimed to evaluate the diagnostic efficiency of non-invasive serum biomarkers, separately and in combinations, on liver fibrosis in treatment-naive chronic hepatitis C (CHC) patients. MATERIALS AND METHODS Two hundred and sixteen treatment-naive CHC patients were enrolled from 32 locations across Turkey in this open-labelled, non-interventional prospective observational study. FibroTest®, aspartate aminotransferase-to-platelet ratio index(APRI), aspartate aminotransferase and alanine aminotransferase ratio (AAR), fibrosis index based on four factors (FIB-4), Age-platelet(AP) index and Forns index were measured and compared with Metavir scores got from liver biopsies. RESULTS Data from 182 patients with baseline liver biopsy were suitable for analysis. One hundred and twenty patients (65.9%) had F0-F1 fibrosis and 62 patients (34.1%) had F2-F4 fibrosis. APRI 0.732 area under the curve(AUC) indicated advanced fibrosis with 69% sensitivity and 77% specificity. FIB-4 0.732 AUC and FibroTest 0.715 AUC indicated advanced fibrosis with 69% and 78.4% sensitivity, and 75% and 71.4% specificity, respectively. The combined use of tests also led to an increase in AUC and specificity. Combinations of FibroTest with APRI and/or FIB-4, and FIB-4 with APRI were optimal for the evaluation of liver fibrosis. CONCLUSION Fibrotest, FIB-4, APRI, AP index and Forns index exhibit good diagnostic performance for determining liver fibrosis in CHC patients, and the use of at least two tests together will increase their diagnostic value still further.
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Affiliation(s)
- İftihar Köksal
- Department of Infectious Diseases, Karadeniz Technical University School of Medicine, Trabzon, Turkey
| | - Gürdal Yılmaz
- Department of Infectious Diseases, Karadeniz Technical University School of Medicine, Trabzon, Turkey
| | - Mehmet Parlak
- Department of Infectious Diseases, Atatürk University School of Medicine, Erzurum, Turkey
| | - Tuna Demirdal
- Department of Infectious Diseases, İzmir Atatürk Training and Research Hospital, İzmir, Turkey
| | - Sami Kınıklı
- Department of Infectious Diseases, Ankara Training and Research Hospital, Ankara, Turkey
| | - Mehmet Candan
- Department of Infectious Diseaes, 25 Aralık State Hospital, Gaziantep, Turkey
| | - Ali Kaya
- Department of Infectious Diseaes, Mersin University School of Medicine, Mersin, Turkey
| | - Sıla Akhan
- Department of Infectious Diseaes, Kocaeli, University School of Medicine, Kocaeli, Turkey
| | - Özcan Aydoğdu
- Department of Infectious Diseaes, Bafra State Hospital, Samsun, Turkey
| | - Hüseyin Turgut
- Department of Infectious Diseaes, Pamukkale University School of Medicine, Denizli, Turkey
| | - Yunus Gürbüz
- Department of Infectious Diseaes, Dışkapı Yıldırım Beyazıt Training and Research Hospital, Ankara, Turkey
| | - Özgür Dağlı
- Department of Infectious Diseaes, Kilis State Hospital, Kilis, Turkey
| | - Ahmet Ali Gökal
- Department of Infectious Diseaes, Giresun A. İlhan Özdemir State Hospital, Giresun, Turkey
| | - Rahmet Güner
- Department of Infectious Diseaes, Yıldırım Beyazıt University Atatürk Training and Research Hospital, Ankara, Turkey
| | - Ziya Kuruüzüm
- Department of Infectious Diseaes, Dokuz Eylül University School of Medicine, İzmir, Turkey
| | - Hüseyin Tarakçı
- Department of Infectious Diseaes, Eşrefpaşa State Hospital, İzmir, Turkey
| | - Nuri Beslen
- Department of Infectious Diseaes, Kayseri Training and Research Hospital, Kayseri, Turkey
| | - Seda Erdoğan
- Department of Clinical Research, Roche Pharmaceuticals, İstanbul, Turkey
| | - Fatih Özdener
- Department of Clinical Research, Roche Pharmaceuticals, İstanbul, Turkey
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Savas S, Hazirolan G, Karagoz A, Parlak M. From days to hours: Can MALDI-TOF MS system replace both conventional and molecular typing methods with new cut off level for Vancomycin Resistant Enterococcus faecium. J Microbiol Methods 2018; 162:62-68. [PMID: 30605699 DOI: 10.1016/j.mimet.2018.12.015] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Revised: 12/11/2018] [Accepted: 12/17/2018] [Indexed: 01/21/2023]
Abstract
Vancomycin-Resistant E. faecium (VRE) strains from clinical specimens were identified by conventional methods before. Following the phenotype-based identification, all strains were also identified using both BD Phoenix and VITEK MS bioMérieux System. Strains were typed with the Bruker MALDI-TOF MS system, pulsed field gel electrophoresis (PFGE) and 16S rRNA gene sequencing analysis and then the sensitivity compared for each. A cut off value of 850 assigned with Bruker MALDI-TOF MS system was found to give equal sensitivity to that of PFGE. Results obtained were compared with those of molecular typing. The main advantage of MALDI-TOF MS technology over the others was the much shorter analysis time which lasted only a few hours rather than days or a whole week. Also, the Bruker MALDI-TOF MS system was used for typing and compared with the gold standard method and this study is first to report the determined cut off level for typing of VRE strains.
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Affiliation(s)
- Sumeyra Savas
- The Scientific and Technological Research Council of Turkey, Kocaeli, Turkey.
| | - Gulsen Hazirolan
- Department of Medical Microbiology, Hacettepe University School of Medicine, Ankara, Turkey
| | | | - Mehmet Parlak
- Department of Medical Microbiology, Yuzuncu Yil University School of Medicine, Ankara, Turkey
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20
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Ozden K, Albayrak A, Ozkurt Z, Erdem F, Parlak M. 2519. The Prognostic Significance of Neutrophil-to-Lymphocyte Ratio in Patients With Crimean-Congo Haemorrhagic Fever. Open Forum Infect Dis 2018. [PMCID: PMC6253960 DOI: 10.1093/ofid/ofy210.2171] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Background The neutrophil-to-lymphocyte ratio (NLR) has been shown to be associated with poor prognosis in both malign and benign disorders. However, the studies regarding NLR as a prognostic marker in Crimean-Congo hemorrhagic fever (CCHF) are limited. This study aimed to investigate the relationship between NLR and survival outcome in patients with CCHF. Methods The demographic and laboratory characteristics of 723 adult patients having a positive IgM and/or a positive PCR result for CCHF in the blood sample between 2007 and 2017 were reviewed. The patients were divided into two groups according to survival and fatal outcome. The area under an ROC curve was calculated to evaluate the relationship between NLR and survival outcome. The statistical significance was set at P < 0.05. Results Plasma NLR, creatinine, AST, ALT, LDH and CK levels in fatal cases were significantly higher than those in survival ones (P < 0.001 for all parameters), while platelet count was significantly lower (P < 0.001). All population were re-evaluated according to NLR. Plasma ALT, AST, LDH, CK, and creatinine levels when NLR was ≤ 2 were significantly lower than those when NLR was > 2 (P = 0.006, P = 0.017, P < 0.001, P < 0.001, and P < 0.001, respectively) (Table 1). The area under an ROC curve for NLR was 72% (P < 0.001). Conclusion NLR for clinicians may be an additional test as useful as platelet count and plasma creatinine, AST, ALT, LDH, and CK levels. Our study shows that NLR might be used as a prognostic marker to predict the severity of the disease in CCHF. Disclosures All authors: No reported disclosures.
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Affiliation(s)
- Kemalettin Ozden
- Department of Infectious Diseases and Clinical Microbiology, Ataturk University Faculty of Medicine, Erzurum, Turkey
| | - Ayse Albayrak
- Department of Infectious Diseases and Clinical Microbiology, Ataturk University Faculty of Medicine, Erzurum, Turkey
| | - Zulal Ozkurt
- Department of Infectious Diseases and Clinical Microbiology, Ataturk University Faculty of Medicine, Erzurum, Turkey
| | - Fuat Erdem
- Department of Haematology, Ataturk University Faculty of Medicine, Erzurum, Turkey
| | - Mehmet Parlak
- Department of Infectious Diseases and Clinical Microbiology, Ataturk University Faculty of Medicine, Erzurum, Turkey
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21
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Idilman R, Baykam N, Kaymakoğlu S, Tabak F, Bahçecioğlu HI, Bektaş A, Bulut C, Günşar F, İnan D, Karaosmanoğlu HK, Karasu Z, Kuşçu F, Mete B, Özbakır Ö, Özdoğan OC, Parlak M, Sırmatel F, Topalak Ö, Ünsal B, Guidelines Study Group VH. Turkey 2017 Clinical Practice Guidelines on recommendations for screening diagnosing and managing hepatitis C virus. Turk J Gastroenterol 2018; 28:90-93. [PMID: 29303105 DOI: 10.5152/tjg.2017.21] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The present guideline updates the Turkish recommendations for the screening, diagnosis and management of Hepatitis
C virus (HCV) infection prepared by the Turkish Association for the Study of the Liver (TASL) and Viral Hepatitis
Society (VHS). The aim of this guidance was to provide updates recommendations to physicians, who are interested
in HCV care on the optimal screening, diagnosis and pre-treatment management for patients with HCV infection
in Turkey. These recommendations, produced by panel experts, were aimed to addresses the management issues
ranging from diagnosis and linkage to care, to the optimal treatment regimen in patients with HCV infection. Recommendations
are based on evidence and opinions of more than 70% of the panelists. This guidance is supported by
the memberships of two societies and not by pharmaceutical companies. This guidance will be updated frequently
as new data become available.
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Affiliation(s)
- Ramazan Idilman
- Turkish Association for the Study of the Liver, İstanbul, Turkey; Viral Hepatitis Society, Ankara, Turkey
| | - Nurcan Baykam
- Turkish Association for the Study of the Liver, İstanbul, Turkey; Viral Hepatitis Society, Ankara, Turkey
| | - Sabahattin Kaymakoğlu
- Turkish Association for the Study of the Liver, İstanbul, Turkey; Viral Hepatitis Society, Ankara, Turkey
| | - Fehmi Tabak
- Turkish Association for the Study of the Liver, İstanbul, Turkey; Viral Hepatitis Society, Ankara, Turkey
| | - Halil I Bahçecioğlu
- Turkish Association for the Study of the Liver, İstanbul, Turkey; Viral Hepatitis Society, Ankara, Turkey
| | - Ahmet Bektaş
- Turkish Association for the Study of the Liver, İstanbul, Turkey; Viral Hepatitis Society, Ankara, Turkey
| | - Cemal Bulut
- Turkish Association for the Study of the Liver, İstanbul, Turkey; Viral Hepatitis Society, Ankara, Turkey
| | - Fulya Günşar
- Turkish Association for the Study of the Liver, İstanbul, Turkey; Viral Hepatitis Society, Ankara, Turkey
| | - Dilara İnan
- Turkish Association for the Study of the Liver, İstanbul, Turkey; Viral Hepatitis Society, Ankara, Turkey
| | - Hayat K Karaosmanoğlu
- Turkish Association for the Study of the Liver, İstanbul, Turkey; Viral Hepatitis Society, Ankara, Turkey
| | - Zeki Karasu
- Turkish Association for the Study of the Liver, İstanbul, Turkey; Viral Hepatitis Society, Ankara, Turkey
| | - Ferit Kuşçu
- Turkish Association for the Study of the Liver, İstanbul, Turkey; Viral Hepatitis Society, Ankara, Turkey
| | - Birgül Mete
- Turkish Association for the Study of the Liver, İstanbul, Turkey; Viral Hepatitis Society, Ankara, Turkey
| | - Ömer Özbakır
- Turkish Association for the Study of the Liver, İstanbul, Turkey; Viral Hepatitis Society, Ankara, Turkey
| | - Osman C Özdoğan
- Turkish Association for the Study of the Liver, İstanbul, Turkey; Viral Hepatitis Society, Ankara, Turkey
| | - Mehmet Parlak
- Turkish Association for the Study of the Liver, İstanbul, Turkey; Viral Hepatitis Society, Ankara, Turkey
| | - Fatma Sırmatel
- Turkish Association for the Study of the Liver, İstanbul, Turkey; Viral Hepatitis Society, Ankara, Turkey
| | - Ömer Topalak
- Turkish Association for the Study of the Liver, İstanbul, Turkey; Viral Hepatitis Society, Ankara, Turkey
| | - Belkis Ünsal
- Turkish Association for the Study of the Liver, İstanbul, Turkey; Viral Hepatitis Society, Ankara, Turkey
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22
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Karacaer Z, Tosun S, Batırel A, Şahin S, Altaş İ, Uysal S, Erol S, Ceran N, Albayrak A, Yıldız İE, Kostakoğlu U, Kaçar F, Kuzhan N, Kadanalı A, Karagöz G, Yenilmez E, Turan DB, Yıldırım AA, Koçak F, Çetinkaya RA, Parlak M, Aydın Ö, Ergen P, Durmuş G, Kaygusuz TÖ, Dağlı Ö, Demir C, Karadağ FY. Changes in acute viral hepatitis epidemiology in the Turkish adult population: A multicenter study. Turk J Gastroenterol 2018; 29:177-182. [PMID: 29749324 PMCID: PMC6284710 DOI: 10.5152/tjg.2018.17431] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Accepted: 10/03/2017] [Indexed: 01/06/2023]
Abstract
BACKGROUND/AIMS The present study aimed to determine the changes in the epidemiology of hepatitis in recent years in an adult Turkish population. MATERIALS AND METHODS Overall, 852 patients with acute viral hepatitis from 17 centers were included in this study. Their sociodemographic characteristics, clinical courses, treatments, and laboratory findings were retrospectively analyzed. RESULTS The most commonly found microorganisms were the hepatitis B virus (55.2%) and hepatitis A virus (37.6%), and the types of acute viral hepatitis differed significantly according to the age group (p≤0.001). The most frequently reported symptom was fatigue (73.7%), and the most common complications were cholecystitis (0.4%) and fulminant hepatitis (0.4%). The median hospital stay was 9 days (range 1-373). In total, 40.8% patients with acute hepatitis B virus developed immunity. CONCLUSION In Turkey, there are significantly large adolescent and adult populations susceptible to acute viral hepatitis. Therefore, larger vaccination programs covering these age groups should be implemented.
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Affiliation(s)
- Zehra Karacaer
- Department of Infectious Diseases and Clinical Microbiology, Gülhane Training and Research Hospital, Ankara, Turkey
| | - Selma Tosun
- Department of Infectious Diseases and Clinical Microbiology, Bozyaka Training and Research Hospital, İzmir, Turkey
| | - Ayşe Batırel
- Department of Infectious Diseases and Clinical Microbiology, Kartal Dr. Lütfi Kirdar Education and Research Hospital, İstanbul, Turkey
| | - Suzan Şahin
- Department of Infectious Diseases and Clinical Microbiology, Kartal Dr. Lütfi Kirdar Education and Research Hospital, İstanbul, Turkey
| | - İrem Altaş
- Department of Infectious Diseases and Clinical Microbiology, Bozyaka Training and Research Hospital, İzmir, Turkey
| | - Serhat Uysal
- Department of Infectious Diseases and Clinical Microbiology, Buca Seyfi Demirsoy State Hospital, İzmir, Turkey
| | - Serpil Erol
- Department of Infectious Diseases and Clinical Microbiology, Haydarpaşa Numune Training and Research Hospital, İstanbul, Turkey
| | - Nurgül Ceran
- Department of Infectious Diseases and Clinical Microbiology, Haydarpaşa Numune Training and Research Hospital, İstanbul, Turkey
| | - Ayşe Albayrak
- Department of Infectious Diseases and Clinical Microbiology, Atatürk University School of Medicine, Erzurum, Turkey
| | - İlknur Esen Yıldız
- Department of Infectious Diseases and Clinical Microbiology, Rize University School of Medicine, Rize, Turkey
| | - Uğur Kostakoğlu
- Department of Infectious Diseases and Clinical Microbiology, Rize University School of Medicine, Rize, Turkey
| | - Fatma Kaçar
- Department of Infectious Diseases and Clinical Microbiology, Konya Training and Research Hospital, Konya, Turkey
| | - Nuretdin Kuzhan
- Department of Infectious Diseases and Clinical Microbiology, Sütçü İmam University School of Medicine, Kahramanmaraş, Turkey
| | - Ayten Kadanalı
- Department of Infectious Diseases and Clinical Microbiology, Ümraniye Training and Research Hospital, İstanbul, Turkey
| | - Gül Karagöz
- Department of Infectious Diseases and Clinical Microbiology, Ümraniye Training and Research Hospital, İstanbul, Turkey
| | - Ercan Yenilmez
- Department of Infectious Diseases and Clinical Microbiology, Haydarpaşa Sultan Abdulhamid Training and Research Hospital, İstanbul, Turkey
| | - Derya Bayırlı Turan
- Department of Infectious Diseases and Clinical Microbiology, Yeni Yüzyıl University School of Medicine, İstanbul, Turkey
| | - Arzu Altunçekiç Yıldırım
- Department of Infectious Diseases and Clinical Microbiology, Ordu University School of Medicine, Ordu, Turkey
| | - Funda Koçak
- Department of Infectious Diseases and Clinical Microbiology, Başakşehir State Hospital, İstanbul, Turkey
| | - Rıza Aytaç Çetinkaya
- Department of Infectious Diseases and Clinical Microbiology, Haydarpaşa Sultan Abdulhamid Training and Research Hospital, İstanbul, Turkey
| | - Mehmet Parlak
- Department of Infectious Diseases and Clinical Microbiology, Atatürk University School of Medicine, Erzurum, Turkey
| | - Özlem Aydın
- Department of Infectious Diseases and Clinical Microbiology, İstanbul Medeniyet University, Göztepe Training and Research Hospital, İstanbul, Turkey
| | - Pınar Ergen
- Department of Infectious Diseases and Clinical Microbiology, İstanbul Medeniyet University, Göztepe Training and Research Hospital, İstanbul, Turkey
| | - Gül Durmuş
- Department of Infectious Diseases and Clinical Microbiology, Bursa Yüksek İhtisas Training and Research Hospital, İstanbul, Turkey
| | - Türkkan Öztürk Kaygusuz
- Department of Infectious Diseases and Clinical Microbiology, Elazığ Training and Research Hospital, Elazığ, Turkey
| | - Özgur Dağlı
- Department of Infectious Diseases and Clinical Microbiology, Bursa Yüksek İhtisas Training and Research Hospital, İstanbul, Turkey
| | - Canan Demir
- Department of Infectious Diseases and Clinical Microbiology, Bursa Yüksek İhtisas Training and Research Hospital, İstanbul, Turkey
| | - Fatma Yılmaz Karadağ
- Department of Infectious Diseases and Clinical Microbiology, İstanbul Medeniyet University, Göztepe Training and Research Hospital, İstanbul, Turkey
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Öztürk SB, Öztürk AB, Soker G, Parlak M. Evaluation of Brain Volume Changes by Magnetic Resonance Imaging in Obstructive Sleep Apnea Syndrome. Niger J Clin Pract 2018; 21:236-241. [PMID: 29465061 DOI: 10.4103/njcp.njcp_379_16] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background and Objectives The objective of this study was to evaluate potential morphological changes in the brain tissue of patients with severe obstructive sleep apnea syndrome (OSAS) in comparison with normal subjects by using T1-weighted magnetic resonance imaging (MRI) technique. Material and Methods This study comprised subjects with severe OSAS with an apnea-hypopnea index (AHI) more than 30 and normal subjects with AHI less than 5 according to polysomnography findings. The study subjects were evaluated using Three Dimensional Magnetization Prepared Rapid Acquisition Gradient Echo sequence on T1-weighted MRI. FreeSurfer morphometric procedure was used as the automated segmentation method and in both cerebral and cerebellar hemsipheres and segmental volumes of brain were analyzed. Results Of the 22 patients with severe OSAS, 19 were male, three were female and their ages ranged between 40 and 60 years (mean age 50.27 ± 5.3 years). Of the 22 control subjects 19 were male, three were female and their ages ranged between 40 and 60 years (mean age 49.36 ± 6.95 years). There were no statistically significant differences in terms of age and sex properties between the groups. There was a statistically significant difference in BMI between the OSAS patients and the control group. There were statistically significant differences in polysomnographic features (time elapsed below 90% SaO2 (min), Epworth Sleepiness Scale, AHI, mean minimum SaO2 (%), mean O2 desaturation (%), and arousal index values) between the OSAS patients and the control group. Conclusions The findings of our study indicated that even if severe, no structural changes occur in the course of mild, moderate, and severe OSAS.
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Affiliation(s)
- S B Öztürk
- Department of Radiology, Burdur State Hospital, Adiyaman, Turkey
| | - A B Öztürk
- Department of Family Medicine, Adiyaman University School of Medicine, Adiyaman, Turkey
| | - G Soker
- Department of Radiology, Adana Numune Training and Research Hospital, Adiyaman, Turkey
| | - M Parlak
- Department of Radiology, Uludag University School of Medicine, Adiyaman, Turkey
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24
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Guducuoglu H, Gursoy NC, Yakupogullari Y, Parlak M, Karasin G, Sunnetcioglu M, Otlu B. Hospital Outbreak of a Colistin-Resistant, NDM-1- and OXA-48-Producing Klebsiella pneumoniae: High Mortality from Pandrug Resistance. Microb Drug Resist 2017; 24:966-972. [PMID: 29265963 DOI: 10.1089/mdr.2017.0173] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Colistin resistance causes substantial problems in the treatment of serious infections with carbapenem-resistant (CR) gram-negative bacteria. In this study, we report a fatal hospital outbreak from the spread of a pandrug-resistant Klebsiella pneumoniae clone. An outbreak investigation was conducted after consecutive isolation of nine CR-K. pneumoniae (CR-Kp) strains from eight patients in two intensive care units of a university hospital within 2 weeks. Carbapenem and colistin resistance genes were investigated with PCR, clonal relationships of isolates were studied with pulse-field gel electrophoresis, and multilocus sequence types were determined. The outcomes of the affected patients were analyzed. Genotyping showed a predominant CR-Kp clone consisting of seven strains from six patients. These strains were in ST11 type, an international high-risk clone. They were resistant to all antimicrobials, including colistin, and positive for NDM-1 and OXA-48 carbapenemases, but negative for plasmid-borne colistin resistance genes. One patient had colonization and the remaining five died due to the infection within mean 12 days. No environmental or staff links could be established, and the outbreak was stopped by augmenting infection-control measures. Colistin-resistant K. pneumoniae could clonally expand in the hospital setting, and this spread might be associated with high mortality due to the lack of an appropriate treatment option. Immediate implementation of infection-control measures may be the best way to limit fatal consequences of the spread of such incurable pathogens.
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Affiliation(s)
- Huseyin Guducuoglu
- 1 Department of Medical Microbiology, Faculty of Medicine, Yuzuncu Yıl University , Van, Turkey
| | - Nafia Canan Gursoy
- 2 Department of Medical Microbiology, Faculty of Medicine, Inonu University , Malatya, Turkey
| | - Yusuf Yakupogullari
- 2 Department of Medical Microbiology, Faculty of Medicine, Inonu University , Malatya, Turkey
| | - Mehmet Parlak
- 1 Department of Medical Microbiology, Faculty of Medicine, Yuzuncu Yıl University , Van, Turkey
| | - Gokhan Karasin
- 1 Department of Medical Microbiology, Faculty of Medicine, Yuzuncu Yıl University , Van, Turkey
| | - Mahmut Sunnetcioglu
- 3 Department of Infectious Diseases and Clinical Microbiology, Faculty of Medicine, Yuzuncu Yil University , Van, Turkey
| | - Baris Otlu
- 2 Department of Medical Microbiology, Faculty of Medicine, Inonu University , Malatya, Turkey
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25
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Kiroglu AF, Ari M, Bozan N, Parlak M, Cankaya H. Etiological and epidemiological factors in hearing-impaired students in Van, East of Turkey: A case series. J PAK MED ASSOC 2017; 67:951-953. [PMID: 28585603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The aim of the present case series was to investigate the causes of hearing loss in the children studying at a primary School for the deaf in Van Province, Turkey. The present series included 95 children with sensorineural hearing loss. Otoscopic and ophthalmological examinations, pure-tone audiometry, and tympanometry were performed for each patient. Measles IgG, rubella IgG, cytomegalovirus (CMV) IgG, toxoplasma IgG, herpes simplex virus (HSV) Type I (HSV-I) IgG, HSV Type II (HSV-II) IgG, and Mycoplasma pneumonia IgG were evaluated in serum samples. Temporal bone anomalies were analyzed on temporal bone computed tomography (CT). A total of 7 radiologically distinct inner ear malformations were detected in 19 children. Twelve children were detected with various fundus pathologies. The most common cause of hearing loss was family-related factors (52%). In conclusion, the etiological and epidemiological factors were consistent with those reported in the literature.
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Affiliation(s)
| | - Muzaffer Ari
- Department of Otorhinolaryngology, Head and Neck Surgery, Mardin Park Hospital, Mardin, Turkey
| | - Nazim Bozan
- Department of Otorhinolaryngology, Head and Neck Surgery, Van, Turkey
| | - Mehmet Parlak
- Department of Medical Microbiology, Yuzuncu Yil University, Faculty of Medicine, Van, Turkey
| | - Hakan Cankaya
- Department of Otorhinolaryngology, Head and Neck Surgery, Van, Turkey
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Cikman A, Aydin M, Gulhan B, Karakecili F, Ozcicek A, Kesik OA, Parlak M, Ozcelik F, Gültepe B. The seroprevalence of Coxiella burnetii in Erzincan, Turkey: Identification of the risk factors and their relationship with geographical features. J Vector Borne Dis 2017; 54:157-163. [PMID: 28748837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023] Open
Abstract
BACKGROUND & OBJECTIVES Coxiella burnetii (C. burnetii) bacterium, the causative agent of Q fever has regained importance due to the increasing cases of infections and outbreaks. A cross-sectional descriptive study was conducted to investigate the seroprevalence of C. burnetii in human populations of Erzincan province located in the eastern Turkey, identify the risk factors, and to explore the relationship between geographical features. METHODS A total of 368 people residing in the rural (306) and urban (62) areas of the province were included in the study. Serum samples were analyzed for the presence of C. burnetii phase II IgG antibody using ELISA (Virion/ Serion, Wurzburg, Germany). Spatial analyses were performed to evaluate correlations between seroprevalence and geographical features. RESULTS The overall seroprevalence of C. burnetii was found to be 8.7% (32/368). In rural residents it was 8.5% (26/306), while in urban population it was 9.7% (6/62). Cattle breeding and contact with animal afterbirth waste were found to be major risk factors, and were significantly correlated with seropositive cases (p<0.05). The seropositive cases were only observed in the areas between 1067 and 1923 masl. Of the total seropositive cases, 65.6% were within 1000 m and 87.5% within 4000 m of rivers and their main tributaries. Around 59.4% cases were observed in areas with a slope of 0 to 5°. INTERPRETATION & CONCLUSION The results of the study showed that C. burnetii seroprevalence was higher than expected, and significantly differs according to geographical features of a region. Significant risk factors include raising cattle and exposure to infected animals or their birth products/secretions. It is also more frequent in areas with higher number of rivers and streams, higher altitude and lower slope.
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Affiliation(s)
- Aytekin Cikman
- Department of Medical Microbiology, Faculty of Medicine, Erzincan University, Erzincan, Turkey
| | - Merve Aydin
- Department of Medical Microbiology, Faculty of Medicine, Erzincan University, Erzincan, Turkey
| | - Baris Gulhan
- Department of Medical Microbiology, Faculty of Medicine, Erzincan University, Erzincan, Turkey
| | - Faruk Karakecili
- Department of Infectious Diseases, Faculty of Medicine, Erzincan University, Erzincan, Turkey
| | - Adalet Ozcicek
- Department of Internal Medicine, Faculty of Medicine, Erzincan University, Erzincan, Turkey
| | - Ozan Arif Kesik
- Department of Geography, Faculty of Arts and Sciences, Erzincan University, Erzincan, Turkey
| | - Mehmet Parlak
- Department of Medical Microbiology, Faculty of Medicine, Yuzuncu Yil University, Van, Turkey
| | - Fatih Ozcelik
- Clinical Biochemistry Laboratory, Erzincan Military Hospital, Erzincan, Turkey
| | - Bilge Gültepe
- Department of Medical Microbiology, Faculty of Medicine, Bezmi-Alem University, Istanbul, Turkey
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Ozaras R, Sunbul M, Parlak M, Bodur H, Leblebicioglu H. Treating hepatitis B virus/hepatitis C virus coinfected patients with direct-acting hepatitis C virus antivirals only is not safe. Hepatology 2016; 64:1825-1827. [PMID: 27043022 DOI: 10.1002/hep.28592] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2015] [Accepted: 03/29/2016] [Indexed: 12/07/2022]
Affiliation(s)
- Resat Ozaras
- Department of Infectious Diseases, Istanbul University, Cerrahpasa Medical School, Istanbul, Turkey
| | - Mustafa Sunbul
- Department of Infectious Diseases, Ondokuz Mayis University Medical School, Samsun, Turkey
| | - Mehmet Parlak
- Department of Infectious Diseases, Ataturk University, Medical School, Erzurum, Turkey
| | - Hurrem Bodur
- Ankara Education and Teaching Hospital, Ankara, Turkey
| | - Hakan Leblebicioglu
- Department of Infectious Diseases, Ondokuz Mayis University Medical School, Samsun, Turkey
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Yildirim N, Hakyemez B, Erdoğan C, Parlak M. Role of Diffusion and Perfusion-Weighted MR Imaging in Differentiating Meningioma from Solitary Dural Metastasis. ACTA ACUST UNITED AC 2016. [DOI: 10.1177/197140090501800204] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
In some instances conventional imaging techniques fail to differentiate meningiomas from isolated dural metastasis. This study aimed to evaluate the role of diffusion and perfusion-weighted MRI in differentiating meningiomas and dural metastasis. In this study, 14 metastasis and 26 meningiomas were involved. The imaging characteristics were analyzed using conventional MRI. Diffusion-weighted MRI was performed and ADC values were calculated from the solid components and the peritumoral edema. Perfusion-weighted MRI was performed and relative cerebral blood volume (rCBV) was calculated. Student's t test was used for the statistical analysis. Dural metastasis and meningiomas could not be differentiated by qualitative assessment of conventional and diffusion-weighted MRI. The mean intratumoral and peritumoral ADC values were not statistically significant (p > 0.05). The rCBV ratios for dural metastasis and meningiomas were 4.13 ± 2.32 and 7.32 ± 4.10 respectively and the difference between two was statistically significant (p = 0.003). Peritumoral rCBV ratios for dural metastasis and meningiomas were not statistically significant (p > 0.05). Conventional MRI findings of dural metastasis and meningiomas may overlap in some lesions. In differentiation of these lesions diffusion-weighted MRI yields no further information additional to conventional sequences. Perfusion-weighted MRI can be useful to distinguish these lesions by demonstrating high intratumoral rCBV ratios for meningiomas and low rCBV ratios for metastasis.
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Affiliation(s)
- N. Yildirim
- Department of Radiology, Uludag University Medical School; Bursa, Turkey
| | - B. Hakyemez
- Department of Radiology, Uludag University Medical School, Department of Radiology, Bursa State Hospital; Bursa, Turkey
| | - C. Erdoğan
- Department of Radiology, Uludag University Medical School; Bursa, Turkey
| | - M. Parlak
- Department of Radiology, Uludag University Medical School; Bursa, Turkey
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Abstract
A 32-year-old patient who was 17 weeks of pregnant referred to our hospital due to a lesion on the eyelid and swelling on her face. Patient's history revealed that she helped her husband for slaughtering of a sick animal and contacted with the meat. A scabby lesion was detected on the inferior eyelid with hyperaemia around, central necrotic appearance and swelling. The diagnosis of anthrax was performed based on her epidemiological data, physical examination findings, and Bacillus anthracis were seen on direct preparation. This case was considered worthy to present since she was pregnant, the disease was located on the inferior eyelid, which is a rare place for location, and caused no complication or sequel either in mother or in baby.
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Affiliation(s)
- Emine Parlak
- Department of Infectious Diseases and Clinical Microbiology, Atatürk University School of Medicine, Erzurum, Turkey
| | - Ayse Erturk
- Department of Infectious Diseases and Clinical Microbiology, Recep Tayyip Erdogan University School of Medicine, Rize, Turkey
| | - Serpil Erol
- Department of Infectious Diseases and Clinical Microbiology, Haydarpaşa Numune Training and Research Hospital, İstanbul, Turkey
| | - Mehmet Parlak
- Department of Infectious Diseases and Clinical Microbiology, Atatürk University School of Medicine, Erzurum, Turkey
| | - Zulal Ozkurt
- Department of Infectious Diseases and Clinical Microbiology, Atatürk University School of Medicine, Erzurum, Turkey
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Bayram Y, Özkaçmaz A, Parlak M, Başbuğan Y, Kılıç S, Güdücüoğlu H. [Seroprevalence of tularemia in risk groups of humans and animals in Van, eastern Turkey]. MIKROBIYOL BUL 2016; 49:532-41. [PMID: 26649411 DOI: 10.5578/mb.9966] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Tularemia has become a re-emerging zoonotic disease in Turkey recently. The aims of this study were to determine the seroprevalence of tularemia in humans and their animals living in rural risky areas of our region and to investigate the risk factors. Between January and July 2012, people living in rural areas of Van province (located at eastern part of Turkey) and their domestic animals were included in the study. The sample size was determined by using cluster sampling method like in an event with known prevalence and planned as a cross-sectional epidemiological study. Proportional random sampling method was used to determine which individuals will be included in the study. Presence of tularemia antibodies in the sera of a total 495 voluntary persons (343 female, 152 male; age range: 18-79 years, mean age: 40.61) and their 171 animals (40 cattle, 124 sheep and 7 goats) were screened by microagglutination test using safranin O-stained F.tularensis antigen (Public Health Agency of Turkey). For the evaluation of cross-reactivity between Brucella spp., tularemia positive serum samples were also tested with brucella microagglutination test. Among human and animal samples, 11.9% (59/495) and 44% (76/171) yielded positive results with the titers of ≥ 1:20 in F.tularensis microagglutination test, respectively. However, 69.5% (41/59) of human sera and 78.9% (60/76) of animal sera demonstrated equal or higher titers in the brucella test, so those sera were considered as cross-reactive. After exclusion of these sera, the seroprevalence for F.tularensis were calculated as 3.6% (18/495) for humans and 9.4% (16/171) for animals. Among the 16 animals with positive results, 12 were sheep, three were cattle and one was goat. The difference between seropositivity rates among the domestic animal species was not statistically significant (p> 0.05). In addition, no statistically significant differences were found between risk factors including insect bite, tick bite, contact with rodents, eating the meat of hunted animals (rabbit), having pet (cat) in home (p> 0.05). In this study, the rate of tularemia seropositivity among humans was similar to the results of previous studies which were performed in our country; however the seropositivity rate of tularemia among domestic animals in our study was higher than the results of a few studies which were conducted on domestic animals. In conclusion, preventive procedures and precautions must be taken into consideration to control the transmission of the infection.
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Affiliation(s)
| | | | - Mehmet Parlak
- Yuzuncu Yil University Faculty of Medicine, Department of Medical Microbiology, Van, Turkey.
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Affiliation(s)
- Ayten Kadanali
- Department of Clinical Bacteriology and Infectious Diseases, School of Medicine, Atatürk University, Erzurum, Türkiye.
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Rağbetli C, Parlak M, Bayram Y, Guducuoglu H, Ceylan N. Evaluation of Antimicrobial Resistance in Staphylococcus aureus Isolates by Years. Interdiscip Perspect Infect Dis 2016; 2016:9171395. [PMID: 27247572 PMCID: PMC4876226 DOI: 10.1155/2016/9171395] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2016] [Revised: 03/24/2016] [Accepted: 04/14/2016] [Indexed: 11/17/2022] Open
Abstract
Objective. Recently, community and hospital-acquired infections with Staphylococcus aureus have increased and raised antibiotic resistant isolates. In this study, we aimed to evaluate the antibiotic resistance profile of S. aureus isolates over several years in various clinical specimens from our hospital. Materials and Methods. S. aureus strains from 2009 to 2014 were isolated from various clinical samples at Yuzuncu Yil University, Dursun Odabas Medical Center, Microbiology Laboratory, and their antibiotic susceptibility test results were retrospectively investigated. The isolates were identified by conventional methods, and antibiotic susceptibility tests were performed by the Phoenix (Becton Dickinson, USA) automated system method according to Clinical and Laboratory Standards Institute (CLSI) standards. Results. A total of 1,116 S. aureus isolates were produced and methicillin-resistant S. aureus (MRSA) to 21% of all S. aureus isolates between 2009 and 2014. According to the results of susceptibility tests of all isolates of S. aureus, they have been identified as sensitive to vancomycin, daptomycin, linezolid, and levofloxacin. While the resistance rates to nitrofurantoin, quinupristin-dalfopristin, and trimethoprim-sulfamethoxazole were determined as 0.3%, 2.4%, and 6%, respectively, resistance rates to penicillin, erythromycin, rifampicin, gentamicin, and clindamycin were determined as 100%, 18%, 14%, 14%, and 11%, respectively. The highest percentage of methicillin resistance was determined as 30% in 2009, and the resistance was determined to have decreased in subsequent years (20%, 16%, 13%, 19%, and 21%) (p < 0.001). Conclusion. Currently, retrospective evaluations of causes of nosocomial infection should be done periodically. We think that any alteration of resistance over the years has to be identified, and all centers must determine their own resistance profiles, in order to guide empirical therapies. Reducing the rate of antibiotic resistance will contribute to reducing the cost of treatment.
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Affiliation(s)
- Cennet Rağbetli
- Faculty of Medicine, Department of Medical Microbiology, Yuzuncu Yil University, 65080 Van, Turkey
| | - Mehmet Parlak
- Faculty of Medicine, Department of Medical Microbiology, Yuzuncu Yil University, 65080 Van, Turkey
| | - Yasemin Bayram
- Faculty of Medicine, Department of Medical Microbiology, Yuzuncu Yil University, 65080 Van, Turkey
| | - Huseyin Guducuoglu
- Faculty of Medicine, Department of Medical Microbiology, Yuzuncu Yil University, 65080 Van, Turkey
| | - Nesrin Ceylan
- Faculty of Medicine, Department of Pediatric Diseases, Yuzuncu Yil University, 65080 Van, Turkey
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Bayram Y, Parlak M, Özkaçmaz A, Çıkman A, Güdücüoǧlu H, Kılıç S, Berktaş M, Andac CA. Seroprevalence of Crimean-Congo Hemorrhagic Fever in Turkey's Van Province. Jpn J Infect Dis 2016; 70:65-68. [PMID: 27169950 DOI: 10.7883/yoken.jjid.2015.675] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Crimean-Congo hemorrhagic fever (CCHF) is an endemic tick-borne viral disease that affects both animals and humans. This study aims to determine the seroprevalence of CCHF in Turkey's Van province using analysis of blood samples obtained from people living in the region. Blood specimens were taken from healthy subjects living in Van province and some of the surrounding villages between January and July 2012. Blood samples were initially tested using a CCHF virus (CCHFV) IgM IgG kit for anti-CCHFV IgG, followed by anti-CCHFV IgM determination of any IgG positive blood samples. IgM-positive specimens were re-confirmed using real-time polymerase chain reaction (qPCR). One hundred and 7 men and 261 women were included in the study. Fifty-three blood specimens (14.4%) were anti-CCHFV IgG positive, and 2 of these were anti-CCHFV IgM positive. Two blood samples with anti-CCHFV IgM seropositivity tested negative using qPCR, indicating chronic infections. Locality, sex, and a history of tick bites did not significantly affect anti-CCHFV IgG seropositivity. Although the incidence of anti-CCHFV IgG in blood specimens was 14.4%, no deaths have yet been reported in Turkey's Van province. It is imperative that clinical CCHFV tests be implemented for people at high risk of developing CCHFV-related complications.
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Affiliation(s)
- Yasemin Bayram
- Department of Microbiology, Medical School Research Hospital, Yüzüncü Yıl University
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Cıkman A, Ceylan MR, Parlak M, Karahocagil MK, Berktaş M. [Evaluation of Colistin-Ampicillin/Sulbactam Combination Efficacy in Imipenem-Resistant Acinetobacter baumannii Strains]. MIKROBIYOL BUL 2016; 47:147-51. [PMID: 23390912 DOI: 10.5578/mb.4523] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The increasing emergence of multi-drug resistant Acinetobacter baumannii strains as nosocomial pathogens lead to the use of antimicrobial combinations in the treatment of infections due to these bacteria. The aim of this study was to determine the MIC values of colistin and ampicillin/sulbactam and their in vitro synergistic activities by E-test in order to evaluate the effect of this combination against imipenem-resistant A.baumannii isolates. A total of 33 A.baumannii strains isolated from clinical specimens as etiologic agents of nosocomial infections and identified as imipenem-resistant were included in the study. Identification of the isolates was performed by conventional methods and their imipenem resistance was detected with BD Phoenix automated system (Becton Dickinson, USA). MIC values and in vitro synergistic activity of colistin and ampicillin/sulbactam combination were analyzed by E-test (AB Biodisk, Sweden) on Mueller-Hinton agar medium. Synergistic, additive, indifferent and antagonist effects of A.baumannii strains were evaluated by fractional inhibitory concentration (FIC) index. The combination was considered to be synergistic when the FIC index was ≤ 0.5, additive when it was 1- > 0.5 and antagonistic when ≥ 2. Of the 33 strains included in the study, 21 were resistant to colistin; 30 were resistant and 3 were moderately susceptible to ampicillin/sulbactam. MIC50 and MIC90 values and MIC range of A.baumannii strains for colistin were 8, 32 and 0.13-128 µg/ml; for ampicillin/sulbactam those values were 48, 256 and 12-256 µg/ml, respectively. According to the FIC indices, 15 strains showed synergistic, four additive, five indifferent and nine antagonistic activity to colistin and ampicillin/sulbactam combination. Among the 12 colistin-susceptible strains, nine showed antagonistic, two indifferent and one synergistic activity to the tested combination while among the 21 colistin-resistant strains 14 showed synergistic, four additive and three indifferent activity. As a result, the combination of colistin with ampicillin/sulbactam, demonstrated high synergistic activity in vitro. While the synergistic effect of this combination was more significant in colistin-resistant strains, antagonistic effect of colistin-susceptible strains was found to be notable. Therefore, colistin resistance should be primarily determined before using colistin and ampicillin/sulbactam combination in A.baumannii infections since this combination seemed to be more effective in case of colistin resistance. However, these data should be supported by further advanced clinical studies.
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Affiliation(s)
- Aytekin Cıkman
- Erzincan Mengucek Gazi Education and Research Hospital, Microbiology Department, Erzincan, Turkey.
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Asoglu O, Muslumanoglu M, Igci A, Ozmen V, Karanlik H, Ayalp K, Bozfakioglu Y, Kecer M, Parlak M. Breast Conserving Surgery after Primary Chemotherapy in Locally Advanced Breast Cancer. Acta Chir Belg 2016. [DOI: 10.1080/00015458.2005.11679668] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- O. Asoglu
- Department of Surgery, Istanbul University, Istanbul Medical Faculty, Capa, Istanbul, Turkey
| | - M. Muslumanoglu
- Department of Surgery, Istanbul University, Istanbul Medical Faculty, Capa, Istanbul, Turkey
| | - A. Igci
- Department of Surgery, Istanbul University, Istanbul Medical Faculty, Capa, Istanbul, Turkey
| | - V. Ozmen
- Department of Surgery, Istanbul University, Istanbul Medical Faculty, Capa, Istanbul, Turkey
| | - H. Karanlik
- Department of Surgery, Istanbul University, Istanbul Medical Faculty, Capa, Istanbul, Turkey
| | - K. Ayalp
- Department of Surgery, Istanbul University, Istanbul Medical Faculty, Capa, Istanbul, Turkey
| | - Y. Bozfakioglu
- Department of Surgery, Istanbul University, Istanbul Medical Faculty, Capa, Istanbul, Turkey
| | - M. Kecer
- Department of Surgery, Istanbul University, Istanbul Medical Faculty, Capa, Istanbul, Turkey
| | - M. Parlak
- Department of Surgery, Istanbul University, Istanbul Medical Faculty, Capa, Istanbul, Turkey
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Sunnetcioglu A, Ekin S, Erten R, Parlak M, Esen R. Endobronchial aspergilloma: A case report. Respir Med Case Rep 2016; 18:1-3. [PMID: 27054086 PMCID: PMC4802675 DOI: 10.1016/j.rmcr.2016.03.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2016] [Revised: 02/25/2016] [Accepted: 03/03/2016] [Indexed: 01/15/2023] Open
Abstract
A 28-year-old male with B-cell acute lymphoblastic leukemia presented to our pulmonary clinic with progressive dyspnea, cough, hemoptysis, and fever. Diagnostic bronchoscopy revealed white masses at the entrance of the right middle lobe bronchus and distal to the right main bronchus. Histopathological examination of the biopsy specimen showed those masses to be hyphae of Aspergillus.
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Affiliation(s)
- Aysel Sunnetcioglu
- Yuzuncu Yil University Faculty of Medicine, Department of Chest Diseases, Van, Turkey
| | - Selami Ekin
- Yuzuncu Yil University Faculty of Medicine, Department of Chest Diseases, Van, Turkey
| | - Remzi Erten
- Yuzuncu Yil University Faculty of Medicine, Department of Pathology, Van, Turkey
| | - Mehmet Parlak
- Yuzuncu Yil University Faculty of Medicine, Department of Medical Microbiology, Van, Turkey
| | - Ramazan Esen
- Yuzuncu Yil University Faculty of Medicine, Department of Internal Medicine, Van, Turkey
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Çıkman A, Parlak M, Bayram Y, Güdücüoğlu H, Berktaş M. Antibiotics resistance of Stenotrophomonas maltophilia strains isolated from various clinical specimens. Afr Health Sci 2016; 16:149-52. [PMID: 27358626 DOI: 10.4314/ahs.v16i1.20] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
BACKGROUND A limited number of antibiotics are recommended for the therapy of Stenotrophomonas maltophilia infections due to therapy difficulties caused by its numerous mechanisms of resistance. OBJECTIVES In this study conducted over a period of approximately 5 years we aimed to determine resistance rates of S. maltophilia based on drug classification recommended by Clinical and Laboratory Standards Institute. METHODS A total of 118 S. maltophilia strains isolated from various clinical specimens between January 2006 and June 2012 were included in the study. BD Phoenixautomated microbiology system (Becton Dickinson, USA) was utilized for species level identification and antibiotic susceptibility testing. RESULTS Sixty seven of S. maltophilia strains were isolated from tracheal aspirate isolates, 17 from blood, 10 from sputum, 10 from wound and 14 from other clinical specimens. Levofloxacin was found to be the most effective antibiotic against S. maltophilia strains with resistance rate of 7.6%. The resistance rates to other antibiotics were as follows: chloramphenicol 18.2%, trimethoprim-sulfamethoxazole 20.3% and ceftazidime 72%. CONCLUSION The study revealed that S. maltophilia is resistant to many antibiotics. The treatment of infections caused by S. maltophilia should be preferred primarily as levofloxacin, chloramphenicol, and TMP-SXT, respectively.
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Affiliation(s)
- Aytekin Çıkman
- Mengucek Gazi Education and Research Hospital, Department of Medical Microbiology, Erzincan, Turkey
| | - Mehmet Parlak
- Yuzuncu Yıl University Faculty of Medicine, Department of Medical Microbiology, Van, Turkey
| | - Yasemin Bayram
- Yuzuncu Yıl University Faculty of Medicine, Department of Medical Microbiology, Van, Turkey
| | - Hüseyin Güdücüoğlu
- Yuzuncu Yıl University Faculty of Medicine, Department of Medical Microbiology, Van, Turkey
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Parlak M, Çikman A, Bayram Y, Ceylan N, Çalişir U, Berktaş M. Sensitization to food and inhalant allergens in healthy children in Van, East Turkey. Turk J Med Sci 2016; 46:278-82. [PMID: 27511484 DOI: 10.3906/sag-1403-77] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2014] [Accepted: 06/15/2015] [Indexed: 11/03/2022] Open
Abstract
BACKGROUND/AIM The purpose of this study was to determine the most frequent food and inhalant allergens leading to allergic sensitization in children in Van Province of Turkey. MATERIALS AND METHODS The study included 1052 serum samples with no diagnosis of allergy. The sera were tested with the Euroline Pediatric IgE test kit (EUROIMMUN, Germany). By using the EUROLineScan digital evaluation system, the intensity of bands was calculated with enzyme allergosorbent test classification. RESULTS Out of the 1052 tested sera, 143 were found to be cross-reactive carbohydrate determinant-positive and were discarded from the study. Of the remaining 909 sera, 513 (56%) were from males and 296 (44%) were from females. Among the food allergens, specific IgE was most frequently found against codfish, potato, cow's milk, egg yolk, egg white, and rice, and among the inhalant allergens against cats, dogs, grass mix, Dermatophagoides pteronyssinus, and Aspergillus fumigatus, respectively. CONCLUSION The finding of codfish being the most frequent allergen was related to the high consumption of trout in the region and endemicity of pearl mullet in Lake Van. The results obtained could contribute to determining the etiology of allergic diseases. Additionally, regular analysis of changes in allergen sensitization is important for prevention of allergic disease.
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Affiliation(s)
- Mehmet Parlak
- Department of Medical Microbiology, Faculty of Medicine, Yüzüncü Yıl University, Van, Turkey
| | - Aytekin Çikman
- Department of Medical Microbiology, Mengücek Gazi Training and Research Hospital, Erzincan, Turkey
| | - Yasemin Bayram
- Department of Medical Microbiology, Faculty of Medicine, Yüzüncü Yıl University, Van, Turkey
| | - Nesrin Ceylan
- Department of Pediatrics, Faculty of Medicine, Yüzüncü Yıl University, Van, Turkey
| | - Ulaş Çalişir
- Department of Biology, Faculty of Science, Ege University, İzmir, Turkey
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Parlak M, Yaman A, Saatci AO. [Diplopia 10 years after scleral buckling surgery]. Ophthalmologe 2016; 113:786-8. [PMID: 26818356 DOI: 10.1007/s00347-015-0217-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- M Parlak
- Gemeinschaftspraxis F.-A. Longère, Prof. Dr. med. M. Reichel, Marktstätte 11, 78462, Konstanz, Deutschland.
- Augenarztpraxis Dr. med. Johannes Brandi-Dohrn, Singen (Hohentwiel), Deutschland.
| | - A Yaman
- Universitätsklinikum Dokuz Eylul, Augenklinik, Izmir, Türkei
| | - A O Saatci
- Universitätsklinikum Dokuz Eylul, Augenklinik, Izmir, Türkei
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Aksoy O, Parlak E, Parlak M, Aksoy H. Serum β-Defensin-2 Levels and Their Relationship with the Clinical Course and Prognosis in Patients with Crimean-Congo Hemorrhagic Fever. Med Princ Pract 2016; 25:163-8. [PMID: 26539993 PMCID: PMC5588343 DOI: 10.1159/000442177] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2014] [Accepted: 11/04/2015] [Indexed: 12/19/2022] Open
Abstract
OBJECTIVE The aim of this study was to investigate the role of the clinical course and prognosis of serum levels of β-defensin-2 (BD-2) in patients with Crimean-Congo hemorrhagic fever (CCHF). SUBJECTS AND METHODS Patients who were hospitalized in the Department of Infectious Diseases and Clinical Microbiology of the Faculty of Medicine, Ataturk University, were considered for inclusion in this study. The patients had positive real-time reverse transcription polymerase chain reaction and/or enzyme-linked immunosorbent assay results of the CCHF virus. There were 60 patients with CCHF in the study group and 25 healthy participants in the control group. Serum BD-2 levels were measured using ELISA. Data were analyzed using the Student t test or Mann-Whitney U test. RESULTS Of the 60 patients, 6 (10%) died and 54 (90%) were discharged following their recovery. The mean BD-2 level of the patient group was significantly higher (4,180.30 ± 3,944.19 pg/ml) than that of the control group (964.45 ± 266.07 pg/ml; p = 0.001). Serum BD-2 levels of the patients with fatal (1,529.81 ± 1,028.14) and nonfatal disease (4,474.80 ± 4,041.58) differed, but this difference showed only borderline significance (p = 0.055). The mean BD-2 level of the severe group was 5,507.45 ± 4,327.06 pg/ml, while it was 3,611.52 ± 3,676.73 pg/ml in the mild/moderate group, and both were significantly higher than that of the control group (p = 0.001). CONCLUSION In this study, the expression of serum BD-2 was raised in patients with CCHF, and this increase may beneficially affect survival. Studies with larger sample sizes are needed to confirm the association of serum BD-2 with CCHF prognosis.
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Affiliation(s)
- Osman Aksoy
- Balıklı Göl State Hospital, Urfa, and Departments of, Erzurum, Turkey
| | - Emine Parlak
- Medical Biochemistry, Infectious Diseases and Clinical Microbiology, Erzurum, Turkey
- *Dr. Emine Parlak, Department of Infectious Diseases and Clinical Microbiology, Atatük University School of Medicine, University street 2506, TR-25070 Erzurum (Turkey), E-Mail
| | - Mehmet Parlak
- Medical Biochemistry, Infectious Diseases and Clinical Microbiology, Erzurum, Turkey
| | - Hülya Aksoy
- Medical Biochemistry, Faculty of Medicine, Atatürk University, Erzurum, Turkey
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Abstract
Many authors have reported the presence of serum NMDAR antibodies in varying proportions of patients with schizophrenia; however, many others have not been able to confirm this. Because of the contradictory findings reported in various studies, more definitive research on this issue is required. Hence, we have investigated the NR1 subunit of NMDAR antibodies in patients with schizophrenia (n=49) and healthy controls (n=48). None of the investigated patients with schizophrenia and none of the healthy controls showed positive antibody against the NR1 subunit of the NMDAR. On the basis of this result, we conclude that the NR1 subunit of the NMDAR antibodies does not seem to have a role in schizophrenia.
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Affiliation(s)
- Damla Timucin
- Department of Psychiatry, University of Health Sciences, Van Training and Research Hospital, Van
| | | | - Mehmet Parlak
- Department of Microbiology, Faculty of Medicine, Yuzuncu Yil University, Van, Turkey
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Abstract
Anthrax is a zoonotic infectious disease caused by Bacillus anthracis. While anthrax is rare in developed countries, it is endemic in Turkey. The names of the different forms of the disease refer to the manner of entry of the spores into the body-cutaneous, gastrointestinal, inhalation, and injection. The purpose of this study was to evaluate the clinical characteristics, epidemiological history, treatment, and outcomes of patients with anthrax. Eighty-two cases of anthrax hospitalized at Atatürk University Faculty of Medicine Department of Infectious Diseases and Clinical Microbiology in 2008-2014 were examined retrospectively. Gender, age, occupation, year, history, clinical characteristics, character of lesions, length of hospitalization, and outcomes were recorded. Thirty (36.6%) patients were female and 52 (63.4%) patients were male; ages were 18-69 and mean age was 43.77 ± 13.05. The mean incubation period was 4.79 ± 3.76 days. Cases were largely identified in August (41.5%) and September (25.6%). Sixty-nine (84.1%) of the 82 patients had been given antibiotics before presentation. Lesions were most common on the fingers and arms. The most common occupational groups were housewives (36.6%) and people working in animal husbandry (31.7%). All patients had histories of contact with diseased animals and animal products. Penicillin-group antibiotics (78%) were most commonly used in treatment. One patient (1.2%) died from anthrax meningitis. The mean length of hospitalization was 8.30 ± 5.36 days. Anthrax is an endemic disease of economic and social significance for the region. Effective public health control measures, risk group education, vaccination of animals, and decontamination procedures will reduce the number of cases.
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Affiliation(s)
- Emine Parlak
- Department of Infectious Diseases and Clinical Microbiology, Atatürk University Faculty of Medicine , Erzurum, Turkey
| | - Mehmet Parlak
- Department of Infectious Diseases and Clinical Microbiology, Atatürk University Faculty of Medicine , Erzurum, Turkey
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Bozan N, Parlak M, Ceylan MR, Yalınkılıc A, Cankaya H, Garca MF. Brucella-induced sublingual abscess causes acute shortness of breath. Am J Emerg Med 2015; 34:1737.e3-4. [PMID: 26806180 DOI: 10.1016/j.ajem.2015.12.071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2015] [Revised: 12/23/2015] [Accepted: 12/24/2015] [Indexed: 10/22/2022] Open
Affiliation(s)
- Nazim Bozan
- Department of Otolaryngology, Medical Faculty, Yuzuncu Yıl University, Van, Turkey.
| | - Mehmet Parlak
- Department of Medical Microbiology, Medical Faculty, Yuzuncu Yıl University, Van, Turkey
| | - Mehmet Reşat Ceylan
- Department of Infectious Diseases and Clinical Microbiology, Medical Faculty, Yuzuncu Yıl University, Van, Turkey
| | | | - Hakan Cankaya
- Department of Otolaryngology, Medical Faculty, Yuzuncu Yıl University, Van, Turkey
| | - Mehmet Fatih Garca
- Department of Otolaryngology, Medical Faculty, Yuzuncu Yıl University, Van, Turkey
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Parlak E, Erturk A, Erol S, Parlak M, Ozkurt Z. Cutaneous Anthrax on Eyelid in a Pregnant Woman. Eurasian J Med 2015. [DOI: 10.5152/eurasianjmed.2015.14131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Parlak E, Erturk A, Erol S, Parlak M, Ozkurt Z. Cutaneous Anthrax on Eyelid in a Pregnant Woman: A Case Report. Eurasian J Med 2015. [DOI: 10.5152/eurasianjmed.2015.131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Karaman S, Karaman K, Kızılyıldız BS, Ceylan N, Kaba S, Parlak M, Beger B, Ceylan A. Seroprevalence of hepatitis a and associated factors among 1-15 year old children in Eastern Turkey. Int J Clin Exp Med 2015; 8:19394-19399. [PMID: 26770581 PMCID: PMC4694481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2015] [Accepted: 10/10/2015] [Indexed: 06/05/2023]
Abstract
BACKGROUND Hepatitis A is a common infectious disease during childhood worldwide. Recently, great deal of changes in the epidemiology has been reported. The seroepidemiologic studies of this infection are not sufficient in Eastern region of Turkey. OBJECTIVE To investigate the seroprevalence and association with socio-demographic variables of hepatitis A in 1-15 year old children in Van. PATIENTS AND METHODS This study was performed on 510 one to fifteen year old children from outpatient pediatric clinics in Yüzüncü Yıl University, Faculty of Medicine during last three months of 2009. Anti-HAV IgG was measured in sera by enzyme-linked immunosorbent assay. The information about subjects was recorded on standardized forms and a chart review survey was performed. RESULTS The overall ratio for seropositivity was 54.9%. Statistical significance was found between hepatitis A seroprevalence and age, collective use of domestic items, fresh water resources, localization and type of toilet and the number of households. CONCLUSION This study provided the most recent data of seropositivity and revealed the preliminary indication of epidemiological shift in seroprevalence of Hepatitis A virus in a region with high endemicity.
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Affiliation(s)
- Serap Karaman
- Department of Pediatrics and Pediatric Surgery, Faculty of Medicine, Yüzüncü Yıl UniversityVan, Turkey
| | - Kamuran Karaman
- Department of Pediatrics and Pediatric Surgery, Faculty of Medicine, Yüzüncü Yıl UniversityVan, Turkey
| | | | - Nesrin Ceylan
- Department of Pediatrics and Pediatric Surgery, Faculty of Medicine, Yüzüncü Yıl UniversityVan, Turkey
| | - Sultan Kaba
- Department of Pediatrics and Pediatric Surgery, Faculty of Medicine, Yüzüncü Yıl UniversityVan, Turkey
| | - Mehmet Parlak
- Department of Medical Microbiology, Faculty of Medicine, Yüzüncü Yıl UniversityVan, Turkey
| | - Burhan Beger
- Department of Pediatris Surgery, Faculty of Medicine, Yüzüncü Yıl UniversityVan, Turkey
| | - Abdullah Ceylan
- Department of Pediatrics and Pediatric Surgery, Faculty of Medicine, Yüzüncü Yıl UniversityVan, Turkey
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Parlak M, Akbayram S, Doğan M, Tuncer O, Bayram Y, Ceylan N, Özlük S, Akbayram HT, Öner A. Clinical manifestations and laboratory findings of 496 children with brucellosis in Van, Turkey. Pediatr Int 2015; 57:586-9. [PMID: 25675977 DOI: 10.1111/ped.12598] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2014] [Revised: 12/29/2014] [Accepted: 01/15/2015] [Indexed: 11/28/2022]
Abstract
BACKGROUND Brucellosis is the most common zoonotic disease worldwide and remains an important human disease especially in developing countries. The aim of the present study was to evaluate clinical manifestations and laboratory findings of childhood brucellosis in Van province of Eastern Turkey. To our knowledge, this is the largest series of childhood brucellosis reported in the literature. METHODS In this retrospective study, 496 children with brucellosis were assessed for the clinical manifestations and laboratory findings from July 2009 through December 2013. The diagnosis of brucellosis was based on clinical findings and a standard tube agglutination test (titer ≥ 1:160). Data were analyzed using Minitab version 16. RESULTS The study included 496 children (boys, 60.5%) with a mean age of 10.0 ± 3.95 years (range, 1-16 years). The most frequent clinical symptoms were arthralgia (46.2%), fever (32.1%), and abdominal pain (17.1%) and the most common clinical signs were peripheral arthritis (10.1%), splenomegaly (2.2%) and hepatomegaly (1.8%). The most contagious seasons were summer and autumn (63.3%). Elevated lactate dehydrogenase and C-reactive protein and erythrocyte sedimentation rate were reported in 63.1%, 58.7%, and 55.2% of the patients, respectively. Anemia (20.4%), thrombocytopenia (15.5%), and leukopenia (12.1%) were the most common hematologic findings. CONCLUSIONS Brucellosis remains a serious public health problem in Turkey. The clinical and laboratory characteristics of childhood brucellosis have been described in order to assist clinicians in diagnosing and monitoring the disease.
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Affiliation(s)
- Mehmet Parlak
- Department of Medical Microbiology, Yuzuncu Yil University Faculty of Medicine, Van, Turkey
| | - Sinan Akbayram
- Department of Pediatric Disease, Yuzuncu Yil University Faculty of Medicine, Van, Turkey
| | - Murat Doğan
- Department of Pediatric Disease, Yuzuncu Yil University Faculty of Medicine, Van, Turkey
| | - Oğuz Tuncer
- Department of Pediatric Disease, Yuzuncu Yil University Faculty of Medicine, Van, Turkey
| | - Yasemin Bayram
- Department of Medical Microbiology, Yuzuncu Yil University Faculty of Medicine, Van, Turkey
| | - Nesrin Ceylan
- Department of Pediatric Disease, Yuzuncu Yil University Faculty of Medicine, Van, Turkey
| | - Suat Özlük
- Department of Medical Microbiology, Yuzuncu Yil University Faculty of Medicine, Van, Turkey
| | - Hatice Tuba Akbayram
- Department of Pediatric Disease, Yuzuncu Yil University Faculty of Medicine, Van, Turkey
| | - Abdurrahman Öner
- Department of Pediatric Disease, Yuzuncu Yil University Faculty of Medicine, Van, Turkey
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Parlak M, Çim N, Nalça Erdin B, Güven A, Bayram Y, Yıldızhan R. Seroprevalence of Toxoplasma, Rubella, and Cytomegalovirus among pregnant women in Van. Turk J Obstet Gynecol 2015; 12:79-82. [PMID: 28913048 PMCID: PMC5558381 DOI: 10.4274/tjod.35902] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2015] [Accepted: 07/03/2015] [Indexed: 12/01/2022] Open
Abstract
OBJECTIVE To determine the seroprevalence of anti-Toxoplasma, anti-Rubella, and anti-Cytomegalovirus (CMV) antibodies among pregnant women receiving prenatal care at Van Training and Research Hospital. MATERIALS AND METHODS In developing countries, various infectious agents encountered in the gestational period are important because they influence both maternal and fetal health. Among these, Toxoplasma gondii, Rubella and CMV are quite prevalent. In the present study, anti-Toxoplasma, anti-Rubella and anti-CMV antibodies were analyzed in the serum samples obtained from women receiving prenatal care at Van Training and Research Hospital between June 2012 and July 2013, and positive serum samples were retrospectively evaluated. Anti-Toxoplasma, anti-Rubella and anti-CMV antibodies were analyzed using ELISA with Cobas 4000 e411 (Roche, Germany) and Architect i2000SR (Abbott Diagnostics, Germany) analyzers. RESULTS Over the course of the study period, the results of a total of 9809 patients were investigated in terms of anti-Toxoplasma, anti-Rubella, and anti-CMV antibodies. Anti-Toxoplasma, anti-Rubella, and anti-CMV IgM and IgG antibody positivity rates were 1.1%, 0.5% and 2.6%, and 37.6%, 86.5% and 100%, respectively. CONCLUSION Anti-Toxoplasma IgG antibody positivity rates determined in the present study were lower as compared with the results of the other studies reported from Turkey. However, CMV IgM and IgG antibody positivity rates were be higher as compared with those reported in the literature.
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Affiliation(s)
- Mehmet Parlak
- Yüzüncü Yıl University Faculty of Medicine, Department of Medical Microbiology, Van, Turkey
| | - Numan Çim
- Yüzüncü Yıl University Faculty of Medicine, Department of Obstetrics and Gynecology, Van, Turkey
| | - Begüm Nalça Erdin
- Van Training and Research Hospital, Microbiology Laboratory, Van, Turkey
| | - Ayşe Güven
- Van Training and Research Hospital, Microbiology Laboratory, Van, Turkey
| | - Yasemin Bayram
- Yüzüncü Yıl University Faculty of Medicine, Department of Medical Microbiology, Van, Turkey
| | - Recep Yıldızhan
- Yüzüncü Yıl University Faculty of Medicine, Department of Obstetrics and Gynecology, Van, Turkey
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Ozaslan Parlak A, Parlak M, Blanco-Canqui H, Schacht WH, Guretzky JA, Mamo M. Patch burning: implications on water erosion and soil properties. J Environ Qual 2015; 44:903-909. [PMID: 26024270 DOI: 10.2134/jeq2014.12.0523] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Patch burning can be a potential management tool to create grassland heterogeneity and enhance forage productivity and plant biodiversity, but its impacts on soil and environment have not been widely documented. In summer 2013, we studied the effect of time after patch burning (4 mo after burning [recently burned patches], 16 mo after burning [older burned patches], and unburned patches [control]) on vegetative cover, water erosion, and soil properties on a patch-burn experiment established in 2011 on a Yutan silty clay loam near Mead, NE. The recently burned patches had 29 ± 8.0% (mean ± SD) more bare ground, 21 ± 1.4% less canopy cover, and 40 ± 11% less litter cover than older burned and unburned patches. Bare ground and canopy cover did not differ between the older burned and unburned patches, indicating that vegetation recovered. Runoff depth from the older burned and recently burned patches was 2.8 times (19.6 ± 4.1 vs. 7.1 ± 3.0 mm [mean ± SD]) greater than the unburned patches. The recently burned patches had 4.5 times greater sediment loss (293 ± 89 vs. 65 ± 56 g m) and 3.8 times greater sediment-associated organic C loss (9.2 ± 2.0 vs. 2.4 ± 1.9 g m) than the older burned and unburned patches. The recently burned patches had increased daytime soil temperature but no differences in soil compaction and structural properties, dissolved nutrients, soil C, and total N concentration relative to older burned and unburned patches. Overall, recently burned patches can have reduced canopy and litter cover and increased water erosion, but soil properties may not differ from older burn or unburned patches under the conditions of this study.
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İba Yilmaz S, Erol S, Özbeks A, Parlak M. Distribution of viral genotypes and extrahepatic manifestations in patients with chronic hepatitis C in Eastern Turkey. Turk J Med Sci 2015; 45:70-5. [PMID: 25790532 DOI: 10.3906/sag-1311-52] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
BACKGROUND/AIM To investigate the distribution of viral genotypes, the extrahepatic manifestations, and the relationship between genotypes and extrahepatic manifestations in patients with chronic hepatitis C. MATERIALS AND METHODS The study included 62 treatment-naive patients with chronic hepatitis C infection. Genotype determination was performed by DNA sequencing analysis. To investigate extrahepatic manifestations, the patients' data, recorded prospectively during the pretreatment period, were analyzed. RESULTS Genotype determination was successful in 74.2% of the cases. All patients were infected with hepatitis C virus (HCV) genotype lb. At least 1 extrahepatic manifestation was identified in 37.1% of the patients. The most frequent clinical manifestations were type II diabetes mellitus (8.1%) and arthralgia or arthritis (8.0%). There was no relationship between extrahepatic manifestations and fibrosis or transaminase levels, but female sex and advanced age were risk factors. Because all patients were infected with the same genotype, the relationship between extrahepatic manifestations and genotype could not be examined. CONCLUSION HCV genotype 1b is predominant in patients with chronic hepatitis C in the Eastern Anatolian Region of Turkey. In total, 37.1% of the patients had at least 1 extrahepatic manifestation. Female sex and advanced age were risk factors for having extrahepatic manifestations.
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