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Showing 2 results for Tahamtan

Bahman Aghcheli , Abdolvahab Moradi , Alijan Tabarraei , Hamed Naziri , Mohammad Reza Kalani , Alireza Tahamtan ,
Volume 23, Issue 4 (12-2021)
Abstract

Background and Objective: Since the onset of the COVID-19 (Corona Virus Disease 2019) pandemic, several challenges have been proposed to the disease and the causing viral agent. Accurate and rapid diagnosis of the virus is essential to control the spread and progression of the disease. Choosing a suitable sample in different phases of the disease will reduce the false-negative results. This study was performed to identify the SARS-CoV-2 (Severe Acute Respiratory Syndrome Coronavirus 2) genome in the blood samples of COVID-19 patients.
Methods: This descriptive-analytical study was performed by census method on 100 whole blood samples of patients (50 recovery and 50 deceased) with a definitive diagnosis of COVID-19 (positive Real-Time RT-PCR test of nasopharyngeal swab samples) admitted to Shahid Sayyad Shirazi educational and medical center in Gorgan during 2020-21. Clinical and laboratory findings were compared in the two groups of patients. The viral nucleic acid was extracted from the whole blood samples of the patients, and the presence of the virus genome was investigated using primer and probes via the Real-Time RT-PCR method.
Results: The age of the recovered patients (49.06±15.1 years) was significantly was lower than deceased patients (58.3±12.4 years) (P<0.05). Clinical symptoms including cough, shortness of breath, sputum secretion, and vomiting in deceased patients were significantly more than recovery group (P<0.05). The lymphocytes count and platelet level in the deceased group were lower than in the recovered group. Level of lactate dehydrogenase (LDH) was higher in the deceased group in compare to recovered group (P<0.05). The virus genome identified in the blood samples of 7 patients (3 recovered and 4 deceased), which had no significant relationship with the outcome of the disease.
Conclusion: The use of blood samples for the diagnosis of COVID-19 is not appropriate.
Negar Asgari , Mohamad Hasan Naeimi , Alireza Tahamtan , Samin Zamani ,
Volume 25, Issue 2 (7-2023)
Abstract

Background and Objective: Multiple sclerosis (MS) is an autoimmune disease that targets the central nervous system. Various studies have shown that several factors influence this disease’s occurrence and prevent its progress. Multiple studies have shown that several factors affect this disease’s occurrence and prevent its progress. Helicobacter pylori can be mentioned among these factors. This study was conducted to determine Helicobacter pylori infection in MS patients and healthy individuals.
Methods: This case-control study was conducted on 100 patients with MS (mean age: 36.99±9.87 years) and 100 healthy subjects (mean age: 38.05±11.38 years) in Golestan province, north of Iran during 2021. The case group included eighty relapsing-remitting cases and twenty secondary progressive cases. Blood samples were taken from both groups, and after separating the serum using the ELISA test, anti-Helicobacter pylori antibody (IgG) was detected by determining the antibody titer.
Results: Helicobacter pylori IgG in the MS and control groups was 21% and 44%, respectively (P<0.05). The mean concentration of IgG in the case group was significantly lower than the control group (13.48±10.83 versus 19.78±16.14 AU/ml). The percentage of positive cases of IgG antibody against Helicobacter pylori in the relapsing-remitting and secondary progressive group of patients with MS was determined as 21.2% and 20%, respectively, and the difference between these two groups was not statistically significant.
Conclusion: The history of Helicobacter pylori infection is less than two times in patients with MS compared to healthy people probably indicate the protective role of this bacterium against this disease.



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