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Articles by A. Rashidi
Total Records ( 4 ) for A. Rashidi
  A. Esteghamati , M. Abbasi , A. Rashidi , A. Meysamie , O. Khalilzadeh , M. Haghazali , F. Asgari and M. Nakhjavani
  Not available
  M. Hasibi , A. Amirzargar , S. Jafari , A. Soudbakhsh , M. Hajiabdolbaghi , A. Rashidi and M. Gharouni
  The aim of study was to determine the diagnostic value of Polymerase Chain Reaction (PCR) and Enzyme Linked Immunosorbent Assay (ELISA) in 37 confirmed cases of brucellosis and 78 healthy controls. The diagnosis of brucellosis was based on a compatible clinical picture plus a positive blood culture and/or an antibody titer of≥1:160 at the serum agglutination test. Controls were asymptomatic individuals with negative blood cultures and no previous history of brucellosis. PCR and ELISA were performed on all samples. PCR was positive in 15 (40.5%) patients and no controls. Mean±SD (range) ELISA IgG levels in patients and controls were 198.9 ± 63.1 (9.7-231.9) IU mL-1 and 14.6±27.2 (0-145.0) IU mL-1, respectively (p<0.001). The area under the receiver operating characteristic curve for distinguishing between cases and controls was 0.977. The cutoff point for ELISA results yielding maximal sensitivity plus specificity was 167.35 IU mL-1. ELISA proved to be a more appropriate diagnostic method than PCR in the series, with sensitivity, specificity, positive predictive value and negative predictive value of 89.2, 100, 100 and 95.1%, respectively.
  M. Gharouni , P. Ebrahimi , M.J. Mahmoodi , M. Hasibi , A. Rashidi and P. Khashayar
  The aim of the present study was to evaluate the association between a subjective measure of physical activity assessed by a Visual Analogue Scale (VAS) and dyslipidemia in an elderly population of Iran. A total of 74 elderly subjects (39 males) aged 65 years and older who referred to the Cardiovascular Department of the Hospital were studied. Physical activity was assessed on a 100 mm VAS according to which patients were then divided in to two groups active (activity score≥50; n = 31) and inactive (activity score<50; n = 43). Body Mass Index (BMI), systolic and diastolic blood pressure, triglycerides, total cholesterol, Low-Density Lipoproteins (LDL) and High-Density Lipoproteins (HDL) were measured by standard methods. TG (p = 0.021) and LDL (p = 0.006) were significantly higher and HDL was significantly lower (p = 0.028) in the inactive group. No significant associations were found for other variables. As the first report from Iran, present results are important given the race differences that exist in response of plasma lipids to exercise training. Limitations of the present study include its cross-sectional, rather than prospective, structure and the relatively small sample size. It remains to be seen whether VAS can be used as a rapid screening tool for the presence of dyslipidemia in the elderly.
  M.A. Ehsani , E. Shahgholi , M.S. Rahiminejad , F. Seighali and A. Rashidi
  The present study reports the results in 284 patients of applying a recently developed index, MCV - (10xRBC), for discrimination between beta-thalassemia trait (β-TT) and Iron Deficiency Anemia (IDA), the two most common causes of microcytic hypochromic anemias. A total of 284 carefully selected patients (130 patients with IDA and 154 with β-TT) were studied. Sensitivity, specificity and Youden’s index were compared between the proposed index and four other indices, namely England-Fraser, Mentzer, Srivastava and RBC count. The new index correctly identified 263 (92.96%) patients, standing inferior only to Mentzer which correctly diagnosed 269 (94.71%) patients. The best discrimination index according to Youden’s criteria was Mentzer (Youden’s index = 90.1) followed by the new index (Youden’s index = 85.5). There are remarkable inconsistencies among the results obtained in different studies. Larger studies are needed to establish the optimal discrimination index as well as to confirm the results obtained in the present study. Nevertheless, the epidemiological indices of the proposed discrimination index and the simplicity of its calculation make it acceptable for use in Iran.
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