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Showing 15 results for Iran

Ali Majidpour , Shahnam Arshi , Homayoun Sadeghi , Seyedmorteza Shamshirgaran , Shahin Habibzadeh ,
Volume 3, Issue 4 (12-2003)
Abstract

 Background& Objective: Animal bites are considered to be an important threat to human health. Ardabil province in north-western Iran has the highest incidence rate of animal bites in Iran. This study was an attempt to investigate the epidemiological features of animal bites in Ardabil province during a one-year period from April 1999 to April 2000.

 Methods: In this descriptive study a special questionnaire was filled for all cases of animal bites reported during a one year period in Ardabil province. The questionnaire included questions regarding rabies, age, sex, job, etc. The data were analyzed using SPSS software (release 9). Descriptive statistics was used in the form of frequency tables and graph in order to summarize the data.

 Results: The total number of exposed persons to animal bites were 4331. Males comprised 75% of cases (3259) and 1072 persons (25%) were females. The highest incidence rate was seen among 30-50 year-olds. Animal bites were more common in summer. In 3078 cases (17%), legs were the main site of bite. Dog bite was the most common type (95%).

 Conclusions: This study confirms that animal bite such as dog bite is an important public health problem in Ardabil province. Regarding the importance of this issue it is necessary to take serious measures in order to control and prevent this health thereat.


Seyedmojtaba Seyedmousavi , Ebrahim Fataei , Seyedjamal Hashemi , Mohsen Geramishoare ,
Volume 7, Issue 2 (6-2007)
Abstract

  Background & Objectives: Pools and Saunas are one of the most public areas that may cause superficial and cutaneous mycoses in humans. So investigating the fungal flora in the mineral swimming pools like Sarein area can remove or reduce the contamination or prevent the probablity of fungal infection.

  Methods: A total of 284 samples from 11 mineral swimming pools were taken of which 214 were from pools, sauna Jacuzzis, tubs and showers which were covered by sterile moquette and 70 were from water in saunas, jacuzzis, tubs and showers which were collected in sterile test tubes. All of the samples were cultured in standard method on sabouraud dextrose agar (SDA), sabouraud dextrose agar+oleic acid (S+O) and sabouraud dextrose agar+ chloramphenichol+cyclohexamide (SCC) medias, then identified macroscopically (colony morphology )and microscopically.

  Results: From 284 samples, 193 were contaminated with fungi. The most frequently isolated species in 11 pools were Aspergillus fumigatus (22/79%), Aspergillus flavus (15/54%), Aspergillus niger (15/54%) and Penicillium (14/5%) respectively. On the other hand, Ulocladium, Sepedonium, Acremonium, Pscilomyces, Stemphylium and Streptomyces with 0.51 % were the least frequently isolated species. In this study, no dermatophytes or other true dimorphic pathogenic fungi were isolated from samples.

  Conclusion: So it can be concluded that routine hygiene inspections such as disinfection of pools, personnel training and following hygienic rules were much effective in lowering the comtamination. Also mineral waters of these pools can be growth inhibitors of pathogenic and dermatophytic fungi.


Kavian Ghandehari , Ashfagh Shuaib ,
Volume 7, Issue 2 (6-2007)
Abstract

 Background & Objectives: Atherosclerotic stenosis of carotid territory is the most common cause of ischemic stroke. A higher frequency rate of intracranial arterial stenosis in African and Far East races has been reported.

 Methods: This double center and prospective study was carried out in 304 geriatric ischemic stroke patients admitted in Mackenzie Hospital, Canada and the same number of geriatric ischemic stroke patients with similar sex ratio admitted in Valie-Asr Hospital, Birjand during 2003-2005. The cause of brain infarction in carotid territory was made by neurologists was vasular origin. All of the patients underwent transcranial and carotid doppler studies based on the standard method by a neurosonologist. Topography of arteriosclerotic stenosis in bilateral Internal Carotid Artery (ICA) territories was determined. Fisher exact test served for statistical analysis and p<0.05 declared as significant.

 Results: In Iranian group 71 patients (23.3%) and in North American group 83 patients (27.3) had extracranial ICA stenosis without a significant difference p=0.3, df=1, OR=0.81, 95%CI(0.56- 1.17). Sever ³ 70% extracranial ICA stenosis was found in 14 Iranian patients (4.6%) and 23 North American patients (7.5%) without a significant difference . p=0.17, df=1, OR=0.59, 95%CI(0.3-1.77). In Iranian group, 14 cases (4.6%) and in North American group 5 cases (1.6%) had intracranial ICA territory stenosis which had a significant difference p=0.038, df=1, OR=2.9, 95%CI(1-8.1). Mixed intracranial and extracranial ICA territory stenosis was found in 2 Iranian and 1 North American patients.

 Conclusion: Atherosclerotic stenosis of intracranial ICA territory is more common in Iranian than in North American populations.


, , , , , , , , , , , ,
Volume 9, Issue 2 (6-2009)
Abstract

  Background and Objectives: Ticks play an important role in different diseases of human and animals in Iran. With respects to the reports on the occurrence of Borreliasis and CCHF in Ardabil province, an attempt was made to study fauna and geographical distribution of two families of ticks, Ixodidae and Argasidae in different parts of the province.

  Methods: Within the scope of present study, several villages were randomly selected. From the study area during four different seasons, the total number of 2080 ticks were collected and identified according to the national systematic keys.

  Results: The collected ticks were categorized in 10 species from two families, and 3 genera. They were as follow: hard ticks from Ixodidae families, Hyalomma, Rhipicephalus and Heamaphysalis were found in 65.5%, 34.3% and 0.2% respectively. In Argasidae family, Ornithodoros comprise (97.2%) and Argas (2.8%). In Hyalomma genus, Hy. marginatum (16.9%) and Hy. aegyptium (%0.3) had the most and least density, respectively. Among soft ticks, Ornithodoros lahorensis (97.2%) had the highest number during autumn and winter. The main important hosts were sheep, cow, poultry, goat, buffalo and camel. Cypermethrin was evaluated against Argas persicus and O. lahorensis and results compared to that of Kordistan, Lorestan and West Azerbaijan strains. Results showed that Meshkinshar strain exhibits 1.7 fold susceptible to this insecticide than other strains at the LD50 level.

Conclusion: Results of this study is useful for study on the biodiversity of ticks and their frequency. It is medically important for controlling disease and may result in reduction of disease transmission.
Abbas Karimi , Morteza Jabbarpour Bonyadi, Mohsen Esmaeili, Saeid Dastgiri ,
Volume 12, Issue 3 (9-2012)
Abstract

  Background and Objectives : Familial Mediterranean Fever, an autosomal recessive disorder, is the most common and well known periodical fevers syndrome. Disease is mainly prevalent among non-Ashkenazi Jews, Arabs, Turks and Armenia. According to the geographical location of North-West of Iran, neighboring with two high risk FMF population (Turkey and Armenia), the prevalence of FMF in this region of Iran is not unlikely. The aim of this study was to estimate the carriers rate of FMF common mutations in healthy control people. Results can be potentially useful to estimate prevalence of disease.

  Methods : Randomly 200 samples from healthy people [non-FMF] from North-West of Iran selected. After taking consent, DNA was extracted from blood samples of these groups. Then mutations were evaluated using ARMS-PCR and RFLP-PCR techniques.

  Results : from 400 studied alleles, 44 and 7 mutant alleles were found for E148Q and V726A respectively. For 2 other mutations, no mutant alleles were found. The total allelic frequency for these four common mutations was 0.132. The carriers rate was 23.4%.

  Conclusion : This study showed that E148Q has high mutation frequency relative to other mutations in North-West of Iran.


M Bonyadi , A Mohammadi , M Khalajkondori, S Taghavi ,
Volume 15, Issue 2 (7-2015)
Abstract

Background & objectives: Recurrent spontaneous abortion (RSA) is defined by two or more consecutive miscarriages before 20 weeks of gestation. Adenosine deaminase (ADA) is an enzyme of purine salvage pathway and has two important isoenzymes ADA1 and ADA2. The adenosine deaminase G22A polymorphism (ADA*2) increases the level of adenosine. Adenosine may play a protective role against recurrent spontaneous abortions, since it regulates blood flow into the uterus and placenta. In consideration of the effect of decreased enzymatic activity of adenosine deaminase G22A polymorphism on adenosine levels we evaluated the protective effect of ADA*2 allele against recurrent spontaneous abortions in north-west of Iran. 

Methods: A total of 100 women were recruited to form two groups. First one, with a history of recurrent spontaneous abortions (N=50), and the second one, without a history of abortions (N=50). Genomic DNA was extracted from peripheral blood with a commercial kit and PCR-RFLP analysis was used to identify the G22A genetic polymorphism. Fisher's exact test and odds ratio values were used to compare the proportions of adenosine deaminase genotypes and alleles between women with and without a history of recurrent spontaneous abortion (p<0.05). 
Results: The frequency of homozygotes (AA) was 2% in control group, whereas no homozygote (AA) was found in the case group. The frequency of heterozygotes (AG) was 20% in control group and 8% in the case group (p<0.05). The frequency of homozygotes (GG) was 78% in control group and 92% in the case group (p<0. 05). A significant increase in the frequency of AG genotype in controls (p=0.014, OR=0.348) relative to women with the history of RSA demonstrates the protective effect of AG genotype in controls.
Conclusion: The data suggest that women carrying the G22A polymorphism (ADA*2 allele) and AG genotype which is associated with the lower enzymatic activity are better protected against recurrent spontaneous abortions.

S Bakhti, S Latifi-Navid, S Zahri, A Yazdanbod,
Volume 15, Issue 3 (10-2015)
Abstract

Background & objectives: Several studies have described VacA and CagA as the two important virulence determinants of Helicobacter pylori, which are associated with gastric ulcer (GU) and duodenal ulcer (DU). The aim of present study was to determine the associations of the i and d regions genotypes of H. pylori vacA gene and cagA status with GU and DU risk.

Methods: A total of 177 isolates were cultured from the biopsies of Iranian patients with different geographic origins and genotyped. Data were collected and analyzed.

Results: Frequency of the vacA i1, i2, i1i2, d1, and d2 alleles and cagA in all patients was 42.9%, 55.4%, 1.7%, 41.8%, 58.2% and 68.4%, respectively. There was a significant difference between the frequencies of vacA i1 in isolates from GU than those from non-atrophic gastritis (p<0.05). When the GU was considered as a dependant factor by the multiple logistic regression analysis, the vacA i1 genotype was significantly associated with the age- and sex-adjusted risk for GU (p=0.006, odds ratio [OR]=3.56 95% confidence interval [CI]=1.45–8.75). Statistical analysis showed no significant association between vacA d genotype and digestive diseases. After controlling for age and sex variables, the cagA genotype remained in the final model when the DU was considered as a dependant factor by the the multiple logistic regression analysis (p=0.021, OR=3.77 95% CI=1.22-11.60).

Conclusion: We have proposed that the H. pylori vacA i1 and cagA genotypes could be considered as benefit biomarkers for prediction of risk of GU and DU in Iran, respectively.


Farhad Salehzadeh, Morteza Eslami,
Volume 16, Issue 1 (4-2016)
Abstract

Background & objectives: FMF is an auto-inflammatory and hereditary periodic disorder. The symptoms can occur in more than 80% during the first decade of life. With regard to high prevalence of FMF in northwest of Iran, this study was conducted to introduce especial features of FMF in this area.

Methods: This is a descriptive study performed on 403 patients with diagnosis of FMF according to the Tel-Hashomer criteria. Information obtained from patients' file and entered in the questionnaire. Data analyzed by SPSS v20 using simple descriptive statistical analysis.

Results: In this study 228 (56.6%) patients were male, and the mean age of patients was 21.03 years. The common symptoms were abdominal pain in 93.3% and fever in 88.1% of patients. Abdominal pain was the main complaint(49.6%), the average duration of pain was 43.3±34.5 hours and the average attack-free period was 36.5±29.6 days. 15.1% of patients had positive family history and 12.7% had history of appendectomy. Delayed diagnosis was more than three years in 52.3% of patients. Genetic analysis has been done in 239 patients in which 21.33% had no mutations, 39.7% were compound heterozygous genotype, 25.52% heterozygote and 13.38% had compound homozygous mutations. The most common mutations were M694V/V726A (10.46%) and the most common alleles were M694V (20.9%) and V726A (12.7%). The M694V-V726A genotype (12.7%) was the most common combined mutations in male and the common mutations in female was M694V/M694V (10.4%). Among the patients with abdominal pain M694V/V726A (12.5%) was more common. The genotypes of M680I/V726A (13.9%), M694/V726A and M694V/R761H (16.7%) and the M694V/M694V (33.3%) had the common mutations in patients with fever, chest pain and joint symptoms respectively.

Conclusion: First decade is usual age to presentation of FMF. M694V is the most common mutation and M694V-V726A is the common compound heterozygous mutation. MEFV mutations in this study are similar to Arabs results. It seems that clinical criteria still are the best way in diagnosis of FMF in spite of the fact that erysipelas like skin rash  is not common as a clinical criteria in this area


Hasan Edalatkhah, Nazila Rahnema Tareghi , Saeeid Sadeghieh Ahari , Ali Nemati,
Volume 17, Issue 2 (7-2017)
Abstract

Background & objectives: Acne Vulgaris is a chronic inflammation of pilosebaceous glands. Some studies have indicated the significant decrease of linoleic acid in the sebum composition of the patients with acne. The aim of this study was to determine the probable therapeutic effects of linoleic acid on moderate acne.
Methods: In a double-blind randomized clinical trial, 40 women with moderate acne were divided into two groups, each group with 20 each with 20 samples. After recording the nutritional and demographic factors, the case group received, 100 mg oral doxycycline daily plus 3 gr conjugated linoleic acid and the control group received 100 mg doxycycline daily plus 4-3 oral paraffin capsules as placebo for one month. The number of acne lesions were counted before and after treatment and the mean of   Acne Severity Index (ASI) and Global Acne Grading System (GAGS) were determined for each group. The collected data were analyzed by SPSS software using chi-square, independent t-test and paired t-test.
Results: The mean age was 22.8±5.5, in the case group and21.7±5.1 in placebo group indicating no statistically significant deference (p=0.51). At the end of treatment there was no statistically significant deference between the two groups in decreasing acne (p=0.31). During the treatment, ASI reduced from 129.5±13 to 77±11.6 in the case group and from 132±18.6 to 67.5±11.6 in the placebo group, –but there was no statistically significant deference between the two groups (p=0.37).
Conclusion: It seems using 3 gr oral conjugated linoleic acid daily for 1 month has no effect on remission of acne.
Hossein Raghfar , Nasrin Sargazi , Satar Mehraban , Mohammad Ali Akbarzadeh, Mohammad Reza Vaez Mahdavi , Zahra Vahdati Manesh ,
Volume 18, Issue 3 (10-2018)
Abstract

Background & objectives: cardiovascular diseases are the main cause of mortality around the whole world. However, there is limited information on its economic costs in Iran. The aim of this study was to evaluate the economic costs of coronary heart disease in Iran in 2014.
Methods: The diseases costs were calculated based on the incidence approach using a bottom-up method and a community-oriented perspective.   The drug cost information was obtained from angiographed patients (607 cases) in Shahid Modarres Hospital using simple random sampling method. Other information like disease incidence, distribution of patients, treatment patterns, length of stay and mortality rate was gathered from the literature, interview with patients, consultation with specialists, questionnaire, ministry of health and statistical center of Iran.
Results: Coronary heart diseases impose a significant economic burden in the range of 4,715 and 4,908 billion dollars (210,037,860,000,000-201,778,425,000,000 rials) upon Iran economic system. The medical costs and the costs of lost productivity due to premature death were calculated at USD 3.572 billion (152,863,740,000,000 rials) and USD 933 million (39,927,735,000,000 rials) respectively. The major part of medical costs was related to angioplasty costs (47%) and the minor part was related to drug costs (1.15%).
Conclusion: Coronary heart diseases impose a lot of financial costs to Iran healthcare system which cover more than 16% of whole healthcare financial costs. It is possible to streamline all consequential costs due to coronary heart disease by means of economic and effective use of resources and widespread self-care plan.
 
Farhad Salehzadeh, Afshan Sharghi, Atena Moteyagheni, Saeid Hosseini Asl, Mahsa Mottaghi, Sepehr Sarkhanloo,
Volume 19, Issue 1 (4-2019)
Abstract

Background & objectives: MEFV gene has a major role in Familial Mediterranean Fever (FMF) as an auto-inflammatory disorder. FMF is most often seen in the people of the Mediterranean area. Considering the significant role of the MEFV gene in many rheumatologic diseases and even non-rheumatologic disorders, it is necessary to identify different variations of these mutations in the healthy and normal population of this area.
Methods: 224 healthy people entered into this study. The blood samples were screened for the 12 most common MEFV gene variants according to manufacturer’s instructions. (FMF Strip Assay, Vienna lab, Vienna, Austria)
They filled a questionnaire containing the required information. All patients were initially evaluated for the FMF symptoms and signs in themselves and their first-degree relatives based on clinical criteria. Chi-squared test and t-test were employed for statistical analysis using SPSS ver.24.  
Results: Among 224 cases, 113 cases (50.4%) were male, and 111 cases (49.6%) were female. MEFV mutations were detected in 57 patients (25%) of them, 28 cases were male (49.1%) and 29 cases were female (50.9%). The most frequent mutations were E148Q (18.3%, 41cases), followed by P369S (3.1%, 7 cases), V726A (2.2%, 5cases), A744S (1.3%, 3cases), F479L, M694V and R761H (0.8%, each 2 cases), and eventually K695R (0.4%) respectively. Some mutations such as M694I, M680I (G/C), M680I (G/A), I692del were not seen in these samples. There were compound heterozygous mutations of E148Q/P369S, E148Q/V726A, E148Q/P369S, and P369S / F479L in normal population without any findings in favor of FMF.
Conclusion: Twenty-five percent of the normal population of the northwest of Iran carrying a heterozygous variant of the MEFV gene, E148Q (18.3%) as a most common mutation, which can be considered as a normal variant in the healthy population. The presence of M694I, M680I (G/C), M680I (G/A) and I692del mutations in the normal population can be interpreted with cautiously, while particular compound heterozygous mutations can be considered as normal variants.
 
Roghieh Saboorian, Mohammad Rahbar, Marjan Rahnamaye Farzami , Parvaneh Saffarian,
Volume 19, Issue 2 (7-2019)
Abstract

Background & objectives: Antibiotic resistance in Vibrio cholerae is a crucial matter in the world. Objective of this study was the improvement of cholera surveillance by assessing the antimicrobial resistance pattern and bacterial  resistance genes in V. cholerae O1 isolates, reffered to Iranian Reference Health Laboratory, in cholera outbreaks during 2012- 2015.
Methods: This study is a cross sectional- descriptive research. Antimicrobial susceptibility test (AST) to 8 antibiotics was performed on 113 V.cholerae O1 isolates using E-test method. For all isolates, conventional PCR method was used to detect the presence of tetracycline resistance genes (tetA, tetB and tetC) and the sulfamethoxazole-trimethoprim resistance genes (sul2 and dfrA1).
Results: All isolates were sensitive to ampicillin, temocillin, ciprofloxacin and cefixime and 64% of strains showed intermediate susceptibility to erythromycin. The resistance rate of nalidixic acid, sulfamethoxazole-trimethoprim and tetracycline were 90%, 71% and 50% respectively. However, the frequency of multidrug resistant (MDR) strains varied across the years. The frequency of resistance genes (tetA, tetB, tetC, sul2 and dfrA1) were 70%, 34%, 58%, 66% and 70% respectively.
Conclusion: AST should be used to determine the resistance profile at the beginning of a cholera outbreak and to monitor the resistance profile of circulating strains as part of surveillance of the disease. A prominent association was observed between phenotypic resistance to sulfamethoxazole-trimethoprim and presence of dfrA1gene. Determining the presence of resistance genes is necessary for understanding the epidemiology and routes of transmission of antibiotic resistance genes
Ahmad Jamei Khosroshahi, Mahmoud Samadi, Shamsi Ghaffari, Akbar Molaei, Fatemeh Chakari,
Volume 21, Issue 2 (7-2021)
Abstract

Background & objectives: Long QT syndrome (LQTS), congenital or acquired disorder, is characterized by a prolonged QT interval associated with syncope attacks and sudden death. Jervell and Lange-Nielsen first described LQTS in conjunction with sensory-neural congenital deafness. In long QT syndrome, the modified QT interval is greater than 440 ms and 460 ms in men and in women respectively. Acquired forms of prolonged QT are the consequence of metabolic disorders and various medications.
Since the number of people with congenital deafness in the society is not low and studies in Iran about this syndrome, especially in children are limited, therefore identification of these patients by performing an ECG and simple measures, may be useful in reducing sudden death among these patients. The aim of this study was to determine the prevalence of prolonged QT syndrome in children with congenital sensory-neural deafness which undergoing cochlear implant surgery.
Methods: In this study, a single-center cross-sectional observational study, all children with congenital deafness which undergoing cochlear plantation at northwest of Iran were enrolled. Patients' heart rate and QT interval were calculated using Bazett's formula. The association of long QTc with syncope and sudden death, evaluated by using Schwartz's criteria in children with long QT syndrome.
Results: Of the 357 studied patients, 204 (57.1%) were male and 153 (42.9%) were female. The mean±SD of the current age of the patients was 7.15±2.93 years with a mean of 7 years. The mean±SD of QT interval in the studied patients was 291.01±26.89 ms with a mean of 280 ms. the mean±SD of the  QTc interval in the studied patients was 400.52±25.74 ms with a median of 404 ms. Frequency of Long QTc in the studied patients was 17 cases (4.8%) and long QT syndrome was 5 cases (1.4 %).  
Conclusion: The prevalence of prolonged QT syndrome in patients with congenital deafness in northwest of Iran in 2019 was 4.8%, and 2 cases had syncope and 3 cases had sudden death.
Mohammad Jafarzadeh, David Adham, Fatemeh Dana, Abbas Abbasi Ghahramanloo , Hossein Sharifi, Javad Abishvand, Reza Ebrahimoghli, Eslam Moradi-Asl,
Volume 23, Issue 1 (4-2023)
Abstract

Background & Objective: Hepatitis B virus [HBV] infection is one of the most important public health concerns. The present study was conducted to provide a descriptive analysis of detected HBV infection in Ardabil province.
Methods: In this retrospective longitudinal study, the hepatitis B surveillance database of Ardabil province was examined from 2014 to 2018. The frequency of hepatitis B virus infections was presented based on age, gender, marital status, place of residence, primary symptoms, and reporting sources. Also, the trend of changes in the number of detected cases over time was investigated using time series analysis.
Results: A total of 817 positive cases with a mean age of 43.1 years were reported. Most of them were male [n=503, 61.5]. The Frequency of identified positive cases decreased over time. Most of the infections were asymptomatic [87.5%]. Almost 90.0% of patients with HBV were married and the majority of the identified patients were resided in urban settings [n=598, 73.2%]. Most diagnostic tests were done voluntarily [n=219, 26.8%] or during prenatal care [n=109, 13.3%]. Most cases were identified and reported by the health network [n=292, 35.7%] and blood transfusion organization [n=190, 23.2%].
Conclusion: Decision-makers of the health sector of the province can use this information as a source for evidence-based decision-making in the effective management of the disease.

Corresponding Author:

Eslam moradi-Asl, Department of Public Health, School of Health, Ardabil University of Medical Sciences, Ardabil, Iran.
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Morad Beiranvand, Hossein Hamidinejat, Somayeh Bahrami, Mohammad Reza Tabandeh, Meysam Makki,
Volume 24, Issue 2 (7-2024)
Abstract

Background: A zoonotic obligate intracellular protozoan parasite, Toxoplasma gondii, infects all warm-blooded animals as well as humans worldwide. Identification of the level of infection in intermediate hosts gives us an important data about understanding the role of this parasite in human health as well as estimating the economic loss in livestock. Therefore, the main aim of this study was the isolation and identification of T. gondii from aborted goat fetuses by PCR in Lorestan province.
Methods: From autumn 2023 to summer 2024, the brain and liver of 100 goat fetuses were examined for T. gondii by PCR based on the amplification of 529 base pair fragments from repetitive regions of the parasite genome. The study was performed in three aborted fetus groups, less than 2 months, 2 to 4 months and more than 4 months.
Results: From a total of 100 examined samples, conventional PCR detected the T. gondii infection in 6 (6%) and 2 of the brain and liver fetuses respectively.
Conclusion: This study shows a notable level of infection in goat fetuses, and as a result, T. gondii should be considered an important agent involved in the abortion of goats in the Lorestan province of Iran. On the other side, it is necessary to pay more attention to the risk of transmission of this parasite from farmed animals to humans, especially pregnant women and people with suppressed immune system.

 


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