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Showing 6 results for Bakhtiari

Alavi Sm , Talebi Z, Bakhtiarinia Pp (md),
Volume 14, Issue 3 (10-2012)

Background and Objective: Human immunodeficiency virus (HIV) pandemic is increasing word-wide. Tuberculosis is the main cause of death and low quality of life in HIV infected patients. The prevalence of Tuberculosis in HIV infected patients varies in different areas according to socioeconomic, cultural and geographical situation. This study was done to asses the pulmonary Tuberculosis risk factors in hospitalized HIV positive patients in Ahvaz, Iran. Materials and Methods: In this data based study all medical files of admitted HIV positive patients in Razi hospital in Ahvaz in south west of Iran were reviewed during 2001-09. Demographic characteristics and HIV Tuberculosis related variables were analyzed using SPSS-16, Fisher's exact test and Odds Ratio. Results: Out of 123 HIV cases 99 (80.5%) were injecting drug user (IDU), sixty eight (55.3%) had imprisoment history. Eighty one patients (65.8%) had Tuberculosis, in which 46 had co-morbidities such as infective endocarditis or viral hepatitis, 79 cases were IDU, 61 cases had imprisonment history and 24 cases had CD4 count below 200. There was a significant association between Tuberculosis and IDU, imprisonment and CD4 count (P<0.05). Conclusion: This study showed that the rate of Tuberculosis in HIV positive patients is higher than the rate in previous studies performed in Iran. Also exposure to Tuberculosis cases in prison, IDU and low CD4+ T- lymphocyte count are the main risk factors for Tuberculosis acquisition.
Hajihasani Ah, Bahrpeyma F , Bakhtiari Ah, Taghikhani M,
Volume 14, Issue 3 (10-2012)

Background and Objective: Adiponectin is an adipocyte-secreted hormone. Low levels of Adiponectin may indicate the insulin resistance and development of diabetes. The regular exercise therapy induces insulin resistance to be reduced. Glucose uptake increase in muscles, increased adiponectin levels and decreased of HbA1c in diabetic patients. This study was designed to evaluated the effect of down-hill and up-hill running exercises on the adiponectin and serum glucose in type-2 diabetic patients. Materials and Methods: This clinical trial study was conducted on 28 patients (13 male and 15 female), age 40 to 60 years, with type-2 diabetes, in neuromuscular rehabilitation research center, Semnan, Iran during 2009. Participants were assigned randomly in one of the two experimental groups, eccentric or concentric exercise using treadmill. Before and after control and intervention period, glucose, HbA1c and adiponectin serum were measured in both groups. Data were analyzed using SPSS-18, Kolmogorov-Smirnov, Repeated Measures ANOVA, Tukey and independent t tests. Results: Eccentric and concentric exercise significantly decreased glucose, HbA1c and also increased adiponectin levels (P<0.05) in type-2 diabetic patients. However, eccentric exercise also significantly reduced glucose and HbA1c and increased adiponectin levels compared to the concentric exercise (P<0.05). Conclusion: This study showed that eccentric exercise are more effective than concentric exercise to reduce and control the blood glucose level and improve serum adiponectin in type-2 diabetes mellitus patients.
Kavoosinezhad F, Fattahi E, Moori Bakhtiari N ,
Volume 18, Issue 2 (6-2016)

Background and Objective: Resistance of Staphylococcus aureus to antibiotics is one of the major global health problems in human societies. Thus, evaluation of pattern of antibiotic resistance in its different strains is very important. This study was carried out to evaluate the antibiotic resistance in Staphylococcus aureus isolated from clinical samples by disk diffusion and PCR methods.

Methods: In this laboratory- descriptive study, 50 isolates of Staphylococcus aureus to be identified from clinical specimens. Methicillin resistance was examined using PCR and antibiotic susceptibility of isolates was tested by disk diffusion method.

Results: 50 isolates were resistant to methicillin, ampicillin and penicillin. The resistance of isolates to erythromycin, Gentamicin, Clindamycin and Ciprofloxacin were 48%, 34%, 34%, 34%, respectively. The PCR method showed that 98% of Methicillin Resistance of Staphylococcus aureus isolates carried the methicillin resistant gene.

Conclusion: This study indicated that 98% isolates harbor mecA genes and more resistant to methicillin related mecA genes.

Soltan Dallal Mm , Vafaei Z , Rahimi Foroushani A , Haghi Ashtiani Mt, Sharifi Yazdi Mk , Kavan M, Bakhtiari R, Nikmanesh B,
Volume 18, Issue 2 (6-2016)

Background and Objective: Yersinia is a gram-negative bacillus that cause diarrhea through consumption of contaminated food and water.  This study was performed to identify the atypical Yersinia virulence markers isolated from children with diarrhea.

Methods: This descriptive cross -sectional study was done on 384 fecal samples of 0- 14 years old children admitted at children medical center from August 2011 to August of 2012. Fecal samples, for the enrichment, after 21 days of incubation in alkaline buffer with pH=7.2 at 4degree C, on days 7, 14 and 21 samples were cultured on CIN agar and Mac agar and then confirm the differentiation atypical Yersinia from other typical Yersinia species from fermentation of different sugars. Isolates were tested for marker of virulence including calcium dependence, auto agglutination, Congo red uptake and binding of crystal violet.

Results: Out of 384 stool samples, 4 (1.04%) were infected with Yersinia (Yersinia frederikseni, Yersinia kristensenii and Yersinia enterocolitica). Out of these three, only two samples in association was positive with virulence markers.

Conclusion: Phenotypic markers can be used to study the properties of phenotypic strains of Yersinia.

Ali Vafaei , Maryam Bakhtiari , Amir Sam Kianimoghadam , Booshra Shirzad , Mohammad Reza Sadeghi , Nima Hajitabar Firouzjaei,
Volume 25, Issue 1 (3-2023)

Background and Objective: With the increase in the spread of COVID-19, mental health consequences such as fear, anxiety, and depression have become prevalent. This study aimed to investigate the predictive role of fear of COVID-19 and quarantine fatigue on depression in congenital heart disease patients during the pandemic.
Methods: This descriptive-analytical study was conducted on 105 patients with congenital heart disease (6 men and 99 women) who were referred to Shahid Rajaee Hospitals and Tehran Heart Center during 2021-22. Data were collected using a depression scale, a fear scale for COVID-19, and a quarantine fatigue questionnaire.
Results: The results showed that 28.6% of patients with congenital heart disease experienced mild depression, while 7.6% had severe depression. Quarantine fatigue was found to be mild in 43.8% of patients. Additionally, fear of COVID-19 (r=0.195, P=0.001) and quarantine fatigue (r=0.617, P=0.001) were significantly correlated with depression in congenital heart patients.
Conclusion: Fear of COVID-19 is related to depression caused by coronavirus and quarantine fatigue in patients with congenital heart disease.

Mohammad Arefi , Ayyoob Khosravi , Abbas Abdollahi , Seyed Hamid Aghaei Bakhtiari , Naeme Javid , Anvarsadat Kianmehr ,
Volume 25, Issue 3 (10-2023)

Background and Objective: Micro-ribonucleic acids (microRNAs) have introduced a new field in the molecular diagnosis of cancer. However, the role of circulating microRNAs in the plasma/serum of colorectal cancer patients is still unclear. This study was conducted to determine the expression of let-7d microRNA in patients with colorectal cancer.
Methods: This case-control study was conducted on 40 patients with colorectal cancer and 40 healthy people. In this study, 7 mL blood samples were collected from patients with colorectal cancer (both before and after tumor resection) and healthy individuals (only once). The serum samples were isolated and stored at - 80°C until molecular analysis. MicroRNAs were extracted from serum samples, and cDNA was synthesized. Let-7d expression was examined using the RT-qPCR method. Data were analyzed using GraphPad Prism v. 9 software. The receiver operating characteristic (ROC) curve analysis, sensitivity, and specificity were also calculated for the let-7d microRNA data to introduce a diagnostic biomarker between the preoperative patient group and the control group.
Results: In the preoperative samples of the patients, the expression of let-7d microRNA was significantly lower than that of the control group (P˂0.05). The expression of let-7d microRNA significantly increased after tumor resection compared to before. The ROC analysis for let-7d microRNA in the preoperative patient group with the control group showed that the sensitivity was 33.3%, specificity was 92.3%, and the area under the curve (AUC) was 0.622.
Conclusion: Let-7d microRNA could potentially serve as a new noninvasive diagnostic biomarker for the early detection of colorectal cancer. However, further studies are required on this subject.

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مجله دانشگاه علوم پزشکی گرگان Journal of Gorgan University of Medical Sciences
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