Clinical symptoms and laboratory findings supporting early diagnosis of Crimean-Congo hemorrhagic fever in Iran

2014 ◽  
Vol 86 (7) ◽  
pp. 1188-1192 ◽  
Author(s):  
Ehsan Mostafavi ◽  
Behzad Pourhossein ◽  
Sadegh Chinikar
Keyword(s):  
Early Diagnosis ◽  
Clinical Symptoms ◽  
Hemorrhagic Fever ◽  
Laboratory Findings ◽  
Crimean Congo Hemorrhagic Fever

scholarly journals Mice Orally Immunized with a Transgenic Plant Expressing the Glycoprotein of Crimean-Congo Hemorrhagic Fever Virus

2011 ◽  
Vol 18 (12) ◽  
pp. 2031-2037 ◽  
Author(s):  
S. M. Ghiasi ◽  
A. H. Salmanian ◽  
S. Chinikar ◽  
S. Zakeri
Keyword(s):  
Transgenic Plants ◽  
Transgenic Plant ◽  
Disease Transmission ◽  
Clinical Symptoms ◽  
Hemorrhagic Fever ◽  
Oral Immunization ◽  
Negative Control ◽  
Significant Rise ◽  
Knockout Mouse Model ◽  
Crimean Congo Hemorrhagic Fever

ABSTRACTWhile Crimean-Congo hemorrhagic fever (CCHF) has a high mortality rate in humans, the associated virus (CCHFV) does not induce clinical symptoms in animals, but animals play an important role in disease transmission to humans. Our aim in this study was to examine the immunogenicity of the CCHFV glycoprotein when expressed in the root and leaf of transgenic plants via hairy roots and stable transformation of tobacco plants, respectively. After confirmatory analyses of transgenic plant lines and quantification of the expressed glycoprotein, mice were either fed with the transgenic leaves or roots, fed the transgenic plant material and injected subcutaneously with the plant-made CCHFV glycoprotein (fed/boosted), vaccinated with an attenuated CCHF vaccine (positive control), or received no treatment (negative control). All immunized groups had a consistent rise in anti-glycoprotein IgG and IgA antibodies in their serum and feces, respectively. The mice in the fed/boosted group showed a significant rise in specific IgG antibodies after a single boost. Our results imply that oral immunization of animals with edible materials from transgenic plants is feasible, and further assessments are under way. In addition, while the study of CCHF is challenging, our protocol should be further used to study CCHFV infection in the knockout mouse model and virus neutralization assays in biosafety level 4 laboratories.

scholarly journals Comparison of laboratory findings in PCR-positive and IgM-positive Crimean-Congo hemorrhagic fever cases

2021 ◽  
Vol 78 (4) ◽  
pp. 401-410
Author(s):  
Yasemin COŞGUN ◽  
Dilek MENEMENLİOĞLU ◽  
Ahmet SAFRAN ◽  
Burcu GÜRER GİRAY ◽  
Esma ÖDEVLİ ◽  
...  
Keyword(s):  
Hemorrhagic Fever ◽  
Laboratory Findings ◽  
Crimean Congo Hemorrhagic Fever

scholarly journals Investigating dizziness symptom in adult cases with Crimean-Congo hemorrhagic fever using various scales

2021 ◽  
Vol 37 (1) ◽  
Author(s):  
Adem Bora ◽  
Seyit Ali Büyüktuna ◽  
Kasım Durmuş ◽  
Berat Baturay Demirkıran ◽  
Yasin Aslan ◽  
...  
Keyword(s):  
Activities Of Daily Living ◽  
Disease Severity ◽  
Daily Living ◽  
Clinical Symptoms ◽  
Hemorrhagic Fever ◽  
The Self ◽  
Multicenter Studies ◽  
Pathophysiological Mechanisms ◽  
Crimean Congo Hemorrhagic Fever ◽  
Vestibular Symptoms

Abstract Background This study was to investigate the frequency of self-reported dizziness symptom in cases with Crimean-Congo hemorrhagic fever (CCHF) and the severity of dizziness, if any, by using various scales. The frequency and severity of the self-reported dizziness symptom of CCHF patients, level of disability caused by dizziness, and to what extent vestibular symptoms affected activities of daily living were assessed by various scales. The frequency and severity of the self-reported dizziness symptom of CCHF patients, level of disability caused by dizziness, and to what extent vestibular symptoms affected activities of daily living were assessed by various scales. Results The frequency of dizziness in CCHF cases included in the study was 11.11% and all the cases were involved in the mild category in terms of disease severity. When the results of the scales applied to all of the cases were evaluated in general, it was seen that there was no vertigo or dizziness. Conclusion According to the results of the present study, we consider that multicenter studies with large series investigating pathophysiological mechanisms underlying these clinical symptoms are needed in order to evaluate dizziness symptom and to make definitive interpretations in CCHF disease.

scholarly journals Crimean-Congo hemorrhagic fever virus antibody prevalence in Mauritanian livestock (cattle, goats, sheep and camels) is stratified by the animal’s age

2021 ◽  
Vol 15 (4) ◽  
pp. e0009228
Author(s):  
Ansgar Schulz ◽  
Yahya Barry ◽  
Franziska Stoek ◽  
Aliou Ba ◽  
Jana Schulz ◽  
...  
Keyword(s):  
Clinical Symptoms ◽  
Small Ruminants ◽  
Hemorrhagic Fever ◽  
Immunofluorescence Assay ◽  
Fever Virus ◽  
Crimean Congo Hemorrhagic Fever ◽  
Prevalence Studies ◽  
Hemorrhagic Fever Virus ◽  
Generalized Linear Mixed Effects ◽  
The Impact

Crimean-Congo hemorrhagic fever virus (CCHFV) is one of the most widespread zoonotic arthropod-borne viruses in many parts of Africa, Europe and Asia. It belongs to the family of Nairoviridae in the genus of Orthonairovirus. The main reservoir and vector are ticks of the genus Hyalomma. Livestock animals (such as cattle, small ruminants and camels) develop a viremias lasting up to two weeks with absence of clinical symptoms, followed by seroconversion. This study was carried out to assess risk factors that affect seroprevalence rates in different species. In total, 928 livestock animal samples (cattle = 201; sheep = 247; goats = 233; camels = 247) from 11 out of 13 regions in Mauritania were assayed for CCHFV-specific immunoglobulin G (IgG) antibodies using enzyme-linked immunosorbent assays (ELISA) (including a novel indirect camel-IgG-specific CCHFV ELISA). Inconclusive results were resolved by an immunofluorescence assay (IFA). A generalized linear mixed-effects model (GLMM) was used to draw conclusions about the impact of certain factors (age, species, sex and region) which might have influenced the CCHFV antibody status of surveyed animals. In goats and sheep, about 15% of the animals were seropositive, whereas in cattle (69%) and camels (81%), the prevalence rate was significantly higher. On average, cattle and camels were up to twice to four times older than small ruminants. Interestingly, the seroprevalence in all species was directly linked to the age of the animals, i.e. older animals had significantly higher seroprevalence rates than younger animals. The highest CCHFV seroprevalence in Mauritania was found in camels and cattle, followed by small ruminants. The large proportion of positive animals in cattle and camels might be explained by the high ages of the animals. Future CCHFV prevalence studies should at least consider the age of surveyed animals in order to avoid misinterpretations.

CONVALESCENT PLASMA TRANSFUSION FOR THE TREATMENT CRIMEAN-CONGO HEMORRHAGIC FEVER (REVIEW)

Vestnik ◽  
2021 ◽  
pp. 319-322
Author(s):  
Г.Н. Абуова ◽  
Т.В. Полукчи ◽  
Ф.А. Бердалиева ◽  
Д.С. Алиев ◽  
Э.Ю. Алиев
Keyword(s):  
Effective Treatment ◽  
Clinical Symptoms ◽  
Hemorrhagic Fever ◽  
Treatment Method ◽  
Limited Data ◽  
Plasma Transfusion ◽  
Plasma Therapy ◽  
Antibacterial Drugs ◽  
Crimean Congo Hemorrhagic Fever

Проведен анализ литературных данных о применении плазменной терапии при лечении Конго-Крымской геморрагической лихорадки в мире. Данный обзор проведен для оценки эффективности плазменной терапии у пациентов с Конго-Крымской геморрагической лихорадкой на основе научных данных, опубликованных до настоящего времени. В последние годы отмечается определенный интерес к изучению плазменной терапии при лечении пациентов с Конго-Крымской геморрагической лихорадкой, хотя в литературе имеются лишь ограниченные данные по эффективности иммунотерапии и применения рибавирина при Конго-Крымской геморрагической лихорадке, при этом действенность рибавирина остается еще не доказанной. Однако можно предположить, что помимо противовирусных препаратов, применение плазменной терапии у больных с Конго-Крымской геморрагической лихорадкой может быть эффективным способом лечения, улучшающим клинические симптомы у пациентов, прогноз и снижающим смертность. The analysis of the literature data on the using of plasma therapy in the treatment of Congo-Crimean hemorrhagic fever was carried out. This review was conducted to evaluate the effectiveness of plasma therapy in patients with Congo-Crimean hemorrhagic fever on the basis of publications published so far. In recent years, there has been some interest in studying plasma therapy in the treatment of patients with Congo-Crimean hemorrhagic fever, although there are only limited data in the literature on the effectiveness of immunotherapy and the use of ribavirin in therapy, while the effectiveness of ribavirin remains not yet proven. However, it can be assumed that in addition to antiviral and antibacterial drugs, the use of plasma therapy in patients with Congo-Crimean hemorrhagic fever can be an effective treatment method that improves clinical symptoms in patients and reduces mortality.

scholarly journals Crimean Congo Hemorrhagic Fever: Laboratory Findings, Treatment and Prevention

2017 ◽  
Vol 03 (02) ◽  
Author(s):  
Jamshid Ayatollahi ◽  
Seyed Hossein Shahcheraghi ◽  
Razieh Akhondi ◽  
Marzieh Lotfi
Keyword(s):  
Hemorrhagic Fever ◽  
Laboratory Findings ◽  
Crimean Congo Hemorrhagic Fever ◽  
Treatment And Prevention

scholarly journals Modern aspects of differential diagnosis of the Crimean-Congo hemorrhagic fever

2014 ◽  
Vol 95 (5) ◽  
pp. 748-751
Author(s):  
L P Cherenova ◽  
H M Galimzyanov ◽  
V V Vasilkova ◽  
I V Cherenov
Keyword(s):  
Differential Diagnosis ◽  
Clinical Symptoms ◽  
Q Fever ◽  
Laboratory Data ◽  
Hemorrhagic Fever ◽  
Epidemiological Data ◽  
Diagnostic Features ◽  
Crimean Congo Hemorrhagic Fever ◽  
Abdominal Bleeding ◽  
Pathogenetic Therapy

Aim. To lay down criteria for the differential diagnosis of Crimean-Congo hemorrhagic fever with a number of natural focal diseases prevalent in the Astrakhan region. Methods. A retrospective analysis of clinical, epidemiological and laboratory data of patients with Crimean-Congo hemorrhagic fever (74 cases), Astrakhan rickettsial fever (75), Q fever (75) and leptospirosis (25) was carried out in 2000-2013. Results. The basic clinical symptoms characteristic of the Crimean-Congo hemorrhagic fever for the differential diagnosis of Astrakhan rickettsial fever, Q fever and leptospirosis were distinguished. The early diagnosis of Crimean-Congo hemorrhagic fever was based on the epidemiological data taking into account spring-summer seasonality of the disease, patient’s visits to countryside, contact with animals, and data about tick bites and contact with ticks. Timely prescription of adequate antiviral and pathogenetic therapy helped to reduce the rate of severe forms and mortality from Crimean-Congo hemorrhagic fever. Conclusion. Differential diagnostic features of Crimean-Congo hemorrhagic fever were: the presence of the primary affect on the site of the tick bite, high body temperature, two-wave fever, significant signs of intoxication, the relative and absolute bradycardia, hemorrhagic rash, abdominal bleeding, changes of peripheral blood - leukopenia and thrombocytopenia.

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