21 results on '"Salehizadeh S"'
Search Results
2. Nanocrystalline ZnO–SnO2 mixed metal oxide powder: microstructural study, optical properties, and photocatalytic activity
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Mahmoudi Chenari, Hossein, Zamiri, Reza, Maria Tobaldi, David, Shabani, Mehdi, Rebelo, Avito, Kumar, J. Suresh, Salehizadeh, S. A., Graça, M. P. F., Soares, M. J., António Labrincha, João, and Ferreira, José M. F.
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- 2017
- Full Text
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3. A Novel CB/PDMS Electrode For ECG Monitoring During Swimming: 399 Board #236 June 1, 11: 00 AM - 12: 30 PM
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Noh, Yeon Sik, Cho, Chae Ho, Salehizadeh, S. M. A., Reyes, Bersain A., Bales, Justin R., and Chon, Ki H.
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- 2016
- Full Text
- View/download PDF
4. SARS-CoV-2 and Stroke Characteristics: A Report from the Multinational COVID-19 Stroke Study Group
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Shahjouei, S. Tsivgoulis, G. Farahmand, G. Koza, E. Mowla, A. Vafaei Sadr, A. Kia, A. Vaghefi Far, A. Mondello, S. Cernigliaro, A. Ranta, A. Punter, M. Khodadadi, F. Naderi, S. Sabra, M. Ramezani, M. Amini Harandi, A. Olulana, O. Chaudhary, D. Lyoubi, A. Campbell, B.C.V. Arenillas, J.F. Bock, D. Montaner, J. Aghayari Sheikh Neshin, S. Aguiar De Sousa, D. Tenser, M.S. Aires, A. Alfonso, M.D.L. Alizada, O. Azevedo, E. Goyal, N. Babaeepour, Z. Banihashemi, G. Bonati, L.H. Cereda, C.W. Chang, J.J. Crnjakovic, M. De Marchis, G.M. Del Sette, M. Ebrahimzadeh, S.A. Farhoudi, M. Gandoglia, I. Goncąlves, B. Griessenauer, C.J. Murat Hanci, M. Katsanos, A.H. Krogias, C. Leker, R.R. Lotman, L. Mai, J. Male, S. Malhotra, K. Malojcic, B. Mesquita, T. Mir Ghasemi, A. Mohamed Aref, H. Mohseni Afshar, Z. Moon, J. Niemelä, M. Rezai Jahromi, B. Nolan, L. Pandhi, A. Park, J.-H. Marto, J.P. Purroy, F. Ranji-Burachaloo, S. Carreira, N.R. Requena, M. Rubiera, M. Sajedi, S.A. Sargento-Freitas, J. Sharma, V.K. Steiner, T. Tempro, K. Turc, G. Ahmadzadeh, Y. Almasi-Dooghaee, M. Assarzadegan, F. Babazadeh, A. Baharvahdat, H. Cardoso, F.B. Dev, A. Ghorbani, M. Hamidi, A. Hasheminejad, Z.S. Hojjat-Anasri Komachali, S. Khorvash, F. Kobeissy, F. Mirkarimi, H. Mohammadi-Vosough, E. Misra, D. Noorian, A.R. Nowrouzi-Sohrabi, P. Paybast, S. Poorsaadat, L. Roozbeh, M. Sabayan, B. Salehizadeh, S. Saberi, A. Sepehrnia, M. Vahabizad, F. Yasuda, T.A. Ghabaee, M. Rahimian, N. Harirchian, M.H. Borhani-Haghighi, A. Azarpazhooh, M.R. Arora, R. Ansari, S. Avula, V. Li, J. Abedi, V. Zand, R.
- Abstract
Background and Purpose: Stroke is reported as a consequence of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) infection in several reports. However, data are sparse regarding the details of these patients in a multinational and large scale. Methods: We conducted a multinational observational study on features of consecutive acute ischemic stroke, intracranial hemorrhage, and cerebral venous or sinus thrombosis among SARS-CoV-2-infected patients. We further investigated the risk of large vessel occlusion, stroke severity as measured by the National Institutes of Health Stroke Scale, and stroke subtype as measured by the TOAST (Trial of ORG 10172 in Acute Stroke Treatment) criteria among patients with acute ischemic stroke. In addition, we explored the neuroimaging findings, features of patients who were asymptomatic for SARS-CoV-2 infection at stroke onset, and the impact of geographic regions and countries' health expenditure on outcomes. Results: Among the 136 tertiary centers of 32 countries who participated in this study, 71 centers from 17 countries had at least 1 eligible stroke patient. Of 432 patients included, 323 (74.8%) had acute ischemic stroke, 91 (21.1%) intracranial hemorrhage, and 18 (4.2%) cerebral venous or sinus thrombosis. A total of 183 (42.4%) patients were women, 104 (24.1%) patients were
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- 2021
5. SARS-CoV-2 and Stroke Characteristics A Report From the Multinational COVID-19 Stroke Study Group
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Shahjouei, S, Tsivgoulis, G, Farahmand, G, Koza, E, Mowla, A, Sadr, AV, Kia, A, Far, AV, Mondello, S, Cernigliaro, A, Ranta, A, Punter, M, Khodadadi, F, Naderi, S, Sabra, M, Ramezani, M, Harandi, AA, Olulana, O, Chaudhary, D, Lyoubi, A, Campbell, BC, Arenillas, JF, Bock, D, Montaner, J, Neshin, SAS, de Sousa, DA, Tenser, MS, Aires, A, Alfonso, MDL, Alizada, O, Azevedo, E, Goyal, N, Babaeepour, Z, Banihashemi, G, Bonati, LH, Cereda, CW, Chang, JJ, Crnjakovic, M, De Marchis, GM, Del Sette, M, Ebrahimzadeh, SA, Farhoudi, M, Gandoglia, I, Goncalves, B, Griessenauer, CJ, Hanci, MM, Katsanos, AH, Krogias, C, Leker, RR, Lotman, L, Mai, J, Male, S, Malhotra, K, Malojcic, B, Mesquita, T, Ghasemi, AM, Aref, HM, Afshar, ZM, Moon, J, Niemela, M, Jahromi, BR, Nolan, L, Pandhi, A, Park, J-H, Marto, JP, Purroy, F, Ranji-Burachaloo, S, Carreira, NR, Requena, M, Rubiera, M, Sajedi, SA, Sargento-Freitas, J, Sharma, VK, Steiner, T, Tempro, K, Turc, G, Ahmadzadeh, Y, Almasi-Dooghaee, M, Assarzadegan, F, Babazadeh, A, Baharvandat, H, Cardoso, FB, Dev, A, Ghorbani, M, Hamidi, A, Hasheminejad, ZS, Komachali, SH-A, Khorvash, F, Kobeissy, F, Mirkarimi, H, Mohammadi-Vosough, E, Misra, D, Noorian, AR, Nowrouzi-Sohrabi, P, Paybast, S, Poorsaadat, L, Roozbeh, M, Sabayan, B, Salehizadeh, S, Saberi, A, Sepehrnia, M, Vahabizad, F, Yasuda, TA, Ghabaee, M, Rahimian, N, Harirchian, MH, Borhani-Haghighi, A, Azarpazhooh, MR, Arora, R, Ansari, S, Avula, V, Li, J, Abedi, V, Zand, R, Shahjouei, S, Tsivgoulis, G, Farahmand, G, Koza, E, Mowla, A, Sadr, AV, Kia, A, Far, AV, Mondello, S, Cernigliaro, A, Ranta, A, Punter, M, Khodadadi, F, Naderi, S, Sabra, M, Ramezani, M, Harandi, AA, Olulana, O, Chaudhary, D, Lyoubi, A, Campbell, BC, Arenillas, JF, Bock, D, Montaner, J, Neshin, SAS, de Sousa, DA, Tenser, MS, Aires, A, Alfonso, MDL, Alizada, O, Azevedo, E, Goyal, N, Babaeepour, Z, Banihashemi, G, Bonati, LH, Cereda, CW, Chang, JJ, Crnjakovic, M, De Marchis, GM, Del Sette, M, Ebrahimzadeh, SA, Farhoudi, M, Gandoglia, I, Goncalves, B, Griessenauer, CJ, Hanci, MM, Katsanos, AH, Krogias, C, Leker, RR, Lotman, L, Mai, J, Male, S, Malhotra, K, Malojcic, B, Mesquita, T, Ghasemi, AM, Aref, HM, Afshar, ZM, Moon, J, Niemela, M, Jahromi, BR, Nolan, L, Pandhi, A, Park, J-H, Marto, JP, Purroy, F, Ranji-Burachaloo, S, Carreira, NR, Requena, M, Rubiera, M, Sajedi, SA, Sargento-Freitas, J, Sharma, VK, Steiner, T, Tempro, K, Turc, G, Ahmadzadeh, Y, Almasi-Dooghaee, M, Assarzadegan, F, Babazadeh, A, Baharvandat, H, Cardoso, FB, Dev, A, Ghorbani, M, Hamidi, A, Hasheminejad, ZS, Komachali, SH-A, Khorvash, F, Kobeissy, F, Mirkarimi, H, Mohammadi-Vosough, E, Misra, D, Noorian, AR, Nowrouzi-Sohrabi, P, Paybast, S, Poorsaadat, L, Roozbeh, M, Sabayan, B, Salehizadeh, S, Saberi, A, Sepehrnia, M, Vahabizad, F, Yasuda, TA, Ghabaee, M, Rahimian, N, Harirchian, MH, Borhani-Haghighi, A, Azarpazhooh, MR, Arora, R, Ansari, S, Avula, V, Li, J, Abedi, V, and Zand, R
- Abstract
[Figure: see text].
- Published
- 2021
6. Coverage control in unknown environments using neural networks
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Dirafzoon, Alireza, Emrani, Saba, Salehizadeh, S. M. Amin, and Menhaj, Mohammad Bagher
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- 2012
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7. OxiMA: A Frequency-Domain Approach to Address Motion Artifacts in Photoplethysmograms for Improved Estimation of Arterial Oxygen Saturation and Pulse Rate
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Harvey, J., primary, Salehizadeh, S. M. A., additional, Mendelson, Y., additional, and Chon, K. H., additional
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- 2019
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8. Structural and impedance spectroscopy characteristics of BaCO3/BaSnO3/SnO2 nanocomposite: observation of a non-monotonic relaxation behavior
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Salehizadeh, S. A., primary, Chenari, Hossein Mahmoudi, additional, Shabani, Mehdi, additional, Ahangar, Hossein Abbastabar, additional, Zamiri, Reza, additional, Rebelo, Avito, additional, Kumar, J. Suresh, additional, Graça, M. P. F., additional, and Ferreira, J. M. F., additional
- Published
- 2018
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9. Structural and impedance spectroscopy characteristics of BaCO3/BaSnO3/SnO2 nanocomposite: observation of a non-monotonic relaxation behavior.
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Salehizadeh, S. A., Chenari, Hossein Mahmoudi, Shabani, Mehdi, Ahangar, Hossein Abbastabar, Zamiri, Reza, Rebelo, Avito, Kumar, J. Suresh, Graça, M. P. F., and Ferreira, J. M. F.
- Published
- 2018
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10. Coverage control in unknown environments using neural networks
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Dirafzoon, Alireza, primary, Emrani, Saba, additional, Salehizadeh, S. M. Amin, additional, and Menhaj, Mohammad Bagher, additional
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- 2011
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11. Discontinuation decision in assisted reproductive techniques
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Moini, A., Salehizadeh, S., Moosavi, F., Kiani, K., and soraya khafri
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lcsh:R5-920 ,ivf ,patient dropout ,icsi ,lcsh:Medicine (General) - Abstract
Background In vitro fertilization (IVF) and intra cytoplasmic sperm injection (ICSI) are recognized as established and increasingly successful forms of treatment for infertility, yet significant numbers of couples discontinue treatment without achieving a live birth. This study aims to identify major factors that influence the decision to discontinue IVF/ICSI treatments. Materials and methods We studied the data of 338 couples who discontinued their infertility treatments after three cycles; based on medical records and phone contact. The main measure was the reason for stopping their treatments. Results Economical problems were cited by 212 couples (62.7%), as their mean income was significantly less than other couples (p
12. Association analysis between the VDR gene variants and type 2 diabetes.
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Salehizadeh S, Ramezani S, Asadi M, Afshari M, Jamaldini SH, Adhami Moghadam F, and Hasanzad M
- Abstract
Background: Type 2 diabetes mellitus (T2DM) is recognized as a complex metabolic which has affected the lives of millions of people around the world. Vitamin D receptor (VDR) gene polymorphisms have been suggested to be a vital contributor to the development of T2DM. However, the association between VDR gene polymorphisms and T2DM remains controversial. We have investigated the association between two VDR gene polymorphisms (rs731236 and rs1544410) and T2DM in an Iranian population., Methods: A total of 148 T2DM patients and 100 normal controls were recruited in this study. We used polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) analysis to perform genotyping., Results: The results of the present research revealed that the frequency of the rs731236 C allele was significantly higher in T2DM patients than in normal controls (p = 0.044). The CC genotype of rs731236 was connected with an increased risk of T2DM (OR = 2.85, 95% CI = 1.06-7.69, p = 0.039). However, no significant difference in the frequency of the rs1544410 C allele between T2DM patients and normal controls was observed (p = 0.918)., Conclusion: Our findings were suggestive of the rs731236 polymorphism of the VDR as a risk factor for developing T2DM in the Iranian population, while rs1544410 polymorphism may not be associated with T2DM susceptibility. Further research is needed to approve these findings in other populations and to clarify the underlying mechanisms involved in such an association., Supplementary Information: The online version contains supplementary material available at 10.1007/s40200-023-01323-0., Competing Interests: Competing of interestThere are no conflicts of interest declared by the authors., (© The Author(s), under exclusive licence to Tehran University of Medical Sciences 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.)
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- 2023
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13. Associations between diagnosis with stroke, comorbidities, and activity of daily living among older adults in the United States.
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Ruksakulpiwat S, Zhou W, Phianhasin L, Benjasirisan C, Salehizadeh S, Wang L, and Voss JG
- Abstract
Background: Stroke is the leading cause of mortality. This study aimed to investigate the association between stroke, comorbidities, and activity of daily living (ADL) among older adults in the United States., Methods: Participants were 1165 older adults aged 60 and older from two waves (2016 and 2018) of the Health and Retirement Study who had a stroke. Descriptive statistics were used to describe demographic information and comorbidities. Logistic regressions and multiple regression analyses were used to determine associations between stroke, comorbidities, and ADL., Results: The mean age was 75.32 ± 9.5 years, and 55.6% were female. An adjusted analysis shows that older stroke adults living with diabetes as comorbidity are significantly associated with difficulty in dressing, walking, bedding, and toileting. Moreover, depression was significantly associated with difficulty in dressing, walking, bathing, eating, and bedding. At the same time, heart conditions and hypertension as comorbidity were rarely associated with difficulty in ADL. After adjusting for age and sex, heart condition and depression are significantly associated with seeing a doctor for stroke (odds ratio [OR]: 0.66; 95% confidence interval [CI]: 0.49-0.91; p = 0.01) and stroke therapy (OR: 0.46; 95% CI: 0.25-0.84; p = 0.01). Finally, stroke problem (unstandardized β [ B ] = 0.58, p = 0.017) and stroke therapy ( B = 1.42, p < 0.001) significantly predict a lower level of independence., Conclusion: This study could benefit healthcare professionals in developing further interventions to improve older stroke adults' lives, especially those with a high level of dependence., Competing Interests: The authors declare no conflict of interest., (© 2023 The Authors. Chronic Diseases and Translational Medicine published by John Wiley & Sons Ltd on behalf of Chinese Medical Association.)
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- 2023
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14. Statistical modeling optimization for antibiotics decomposition by ultrasound/electro-Fenton integrated process: Non-carcinogenic risk assessment of drinking water.
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Amarzadeh M, Salehizadeh S, Damavandi S, Mubarak NM, Ghahrchi M, Ramavandi B, Shahamat YD, and Nasseh N
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- Humans, Hydrogen Peroxide chemistry, Anti-Bacterial Agents chemistry, Oxidation-Reduction, Ciprofloxacin chemistry, Risk Assessment, Drinking Water, Water Pollutants, Chemical chemistry
- Abstract
The present work proposes an ultrasound (US) assisted electro-Fenton (EF) process for eliminating penicillin G (PNG) and ciprofloxacin (CIP) from aqueous solutions and the process was further optimized by response surface methodology (RSM)- Box-Behnken design (BBD). The impact of pH, hydrogen peroxide (H
2 O2 ) concentration, applied voltage, initial pollutant concentration, and operating time were studied. The capability application of the electro-Fenton (EF) and US processes was compared separately and in combination under the optimum conditions of pH of 4, a voltage of 15 V, the initial antibiotic concentration of 20.7 mg/L, H2 O2 concentration of 0.8 mg/L, and the operating time of 75 min. The removal efficiency of PNG and CIP using the sono-electro-Fenton (SEF) process, as the results revealed, was approximately 96% and 98%, respectively. The experiments on two scavengers demonstrated that⦁ OH contributes significantly to the CIP and PNG degradation by SEF, whereas⦁ O- 2 corresponds to only a negligible amount. The total organic carbon (TOC) and chemical oxygen demand (COD) analyses were used to assess the mineralization of CIP and PNG. The efficiency of COD and TOC removal was reached at 73.25% and 62.5% for CIP under optimized operating circumstances, and at 61.52% and 72% for PNG, respectively. These findings indicate that a sufficient rate of mineralization was obtained by SEF treatment for the mentioned pollutants. The reaction kinetics of CIP and PNG degradation by the SEF process were found to follow a pseudo-first-order kinetic model. In addition, the human health risk assessment of natural water containing CIP and PNG that was purified by US, EF, and SEF processes was done for the first time. According to the findings, the non-carcinogenic risk (HQ) caused by drinking purified water by all three systems was calculated in the acceptable range. Thus, SEF is a proper system to remove various antibiotics in potable water and reduces their human health risks., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2022 Elsevier Ltd. All rights reserved.)- Published
- 2022
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15. Anti-leucine-rich glioma-inactivated 1 encephalitis: two case reports and a review of the literature.
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Karvigh SA, Salehizadeh S, and Vahabizad F
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- Female, Humans, Leucine therapeutic use, Autoantibodies, Iran, Intracellular Signaling Peptides and Proteins therapeutic use, Neoplasm Recurrence, Local complications, Seizures complications, Limbic Encephalitis complications, Encephalitis diagnosis, Encephalitis drug therapy, Glioma
- Abstract
Background: Anti-leucine-rich glioma-inactivated 1 encephalitis is a newly emerged entity characterized by frequent faciobrachial dystonic seizures and a wide spectrum of subacute clinical symptoms such as other seizure types, mood and behavioral changes, and memory loss. We should be aware of differentiating this diagnosis from psychogenic nonepileptic seizures. Mesial temporal, limbic structures, and basal ganglia are the most commonly involved regions., Case Presentation: Here we review the available data, and report on two young Iranian (White) females, 24 and 18 years old, who represent distinct aspects of the disease. The clinical presentation and degree of tissue involvement varies to some extent in the two reported cases. Case 1 had prominent neuropsychiatric symptoms and suffered from frequent faciobrachial dystonic seizures with more significant basal ganglia involvement, whereas case 2 suffered from severe memory decline and dialeptic seizures along with mesial temporal involvement. Symptoms were refractory to usual treatment and prompt immunotherapy was needed., Conclusions: This disease has a rather favorable outcome provided that treatment is initiated early. However, resistance to first-line treatment, relapses, and long-term complications highlight the need to establish reliable biomarkers to distinguish different subtypes of this disorder to predict the clinical outcome and prognosis, and to refine management., (© 2022. The Author(s).)
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- 2022
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16. Effect of Rituximab on the cognitive impairment in patients with secondary progressive multiple sclerosis.
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Salehizadeh S, Saeedi R, Sahraian MA, Rezaei Aliabadi H, Hashemi SN, Eskandarieh S, Gheini MR, Shahmirzaei S, Owji M, and Naser Moghadasi A
- Abstract
Background: The present study aimed to address the effect of Rituximab on the cognitive impairment in patients with secondary progressive MS (SPMS)., Methods: The present interventional study used a convenience sampling method to select the study participants from SPMS patients. All these patients had progressive disability over the last two years before being admitted in the study. Prior to the administration of Rituximab, the minimal assessment of cognitive function in the multiple sclerosis (MACFIMS) test was performed for each patient who was a candidate to be included in this study. This test was repeated by passing 6 and 12 months from the initial treatment with Rituximab. Since the data needed for this study were obtained at different time intervals, so a linear mixed model was used for their analysis. Analysis of variance (ANOVA) was also used to investigate whether time and sex generally affect the cognitive impairments in SPMS patients. A p-value <0.05 was considered as statistically significant in this study., Results: Of the total 35 patients, 34% and 66% were men and women with a mean age of 41.33 and 41.39 years old, respectively. Rituximab showed a significant positive effect on a number of subgroups of MACFIMS test, including Controlled Oral Word Association Test (COWAT) (P-value: 0.038) and Brief Visuospatial Memory Test (BVMT-total) (P: 0.019)., Conclusion: The present study revealed that Rituximab has a positive effect on the cognitive impairment resulted from MS in secondary progressive patients., Competing Interests: Abdorreza Naser Moghadasi and Mohammad Ali Sahraian have received speaker’s honoraria from AryoGen Pharmed. The other authors do not have any conflict of interest.
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- 2022
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17. SARS-CoV-2 and Stroke Characteristics: A Report From the Multinational COVID-19 Stroke Study Group.
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Shahjouei S, Tsivgoulis G, Farahmand G, Koza E, Mowla A, Vafaei Sadr A, Kia A, Vaghefi Far A, Mondello S, Cernigliaro A, Ranta A, Punter M, Khodadadi F, Naderi S, Sabra M, Ramezani M, Amini Harandi A, Olulana O, Chaudhary D, Lyoubi A, Campbell BCV, Arenillas JF, Bock D, Montaner J, Aghayari Sheikh Neshin S, Aguiar de Sousa D, Tenser MS, Aires A, Alfonso ML, Alizada O, Azevedo E, Goyal N, Babaeepour Z, Banihashemi G, Bonati LH, Cereda CW, Chang JJ, Crnjakovic M, De Marchis GM, Del Sette M, Ebrahimzadeh SA, Farhoudi M, Gandoglia I, Gonçalves B, Griessenauer CJ, Murat Hanci M, Katsanos AH, Krogias C, Leker RR, Lotman L, Mai J, Male S, Malhotra K, Malojcic B, Mesquita T, Mir Ghasemi A, Mohamed Aref H, Mohseni Afshar Z, Moon J, Niemelä M, Rezai Jahromi B, Nolan L, Pandhi A, Park JH, Marto JP, Purroy F, Ranji-Burachaloo S, Carreira NR, Requena M, Rubiera M, Sajedi SA, Sargento-Freitas J, Sharma VK, Steiner T, Tempro K, Turc G, Ahmadzadeh Y, Almasi-Dooghaee M, Assarzadegan F, Babazadeh A, Baharvahdat H, Cardoso FB, Dev A, Ghorbani M, Hamidi A, Hasheminejad ZS, Hojjat-Anasri Komachali S, Khorvash F, Kobeissy F, Mirkarimi H, Mohammadi-Vosough E, Misra D, Noorian AR, Nowrouzi-Sohrabi P, Paybast S, Poorsaadat L, Roozbeh M, Sabayan B, Salehizadeh S, Saberi A, Sepehrnia M, Vahabizad F, Yasuda TA, Ghabaee M, Rahimian N, Harirchian MH, Borhani-Haghighi A, Azarpazhooh MR, Arora R, Ansari S, Avula V, Li J, Abedi V, and Zand R
- Subjects
- Adult, Aged, COVID-19 epidemiology, Female, Geography, Health Expenditures, Humans, International Cooperation, Intracranial Hemorrhages epidemiology, Ischemic Stroke epidemiology, Male, Middle Aged, Prospective Studies, Risk, Sinus Thrombosis, Intracranial epidemiology, Treatment Outcome, Venous Thrombosis epidemiology, Young Adult, COVID-19 complications, Intracranial Hemorrhages complications, Ischemic Stroke complications, Sinus Thrombosis, Intracranial complications, Venous Thrombosis complications
- Abstract
[Figure: see text].
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- 2021
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18. Recommendations for a Better Control of Seizures in Epileptic Patients.
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Salehizadeh S
- Abstract
Competing Interests: Conflict of interest The author declares that there is no conflict of interest.
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- 2021
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19. The co-occurrence of multiple sclerosis and Evans syndrome: A case report.
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Salehizadeh S, Naser Moghadasi A, and Sahrain MA
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Background: Evans syndrome is an uncommon autoimmune disorder manifested by fatigue, jaundice, pallor, purpura and petechiae. The main characteristics of this rare disease are simultaneous or sequential existence of positive anti-globulin test, immune thrombocytopenia (ITP) and autoimmune hemolytic anemia (AIHA). Evans syndrome as an autoimmune disorder can be associated with other diseases. The concomitancy of Evans syndrome and multiple sclerosis (MS) has not been reported so far. In this case study, a -21-year old male with concomitant Evans syndrome and MS has been reported., Case Presentation: A 21-year-old male of Iranian origin and known case of Evans syndrome, was referred to our hospital for better evaluation. Evans syndrome was presented with acute jaundice, purpura, petechiae, and easy bruising when he was 9.He was under treatment of corticosteroid and cytotoxic agents, and presented with left lower extremity paresis for 5 months before admission to our hospital. According to neuroimaging and pathologic results, multiple sclerosis (MS) was diagnosed. Hence, we decided to treat the patient with rituximab. The patient has been stable without any further exacerbation or increase in disability progression after 2 years from diagnosis., Conclusion: Evans syndrome can be associated with other autoimmune disorders. For our case, we have reported this association with MS.
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- 2020
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20. Structural and impedance spectroscopy characteristics of BaCO 3 /BaSnO 3 /SnO 2 nanocomposite: observation of a non-monotonic relaxation behavior.
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Salehizadeh SA, Chenari HM, Shabani M, Ahangar HA, Zamiri R, Rebelo A, Kumar JS, Graça MPF, and Ferreira JMF
- Abstract
A BaCO
3 /BaSnO3 /SnO2 nanocomposite has been prepared using a co-precipitation method without adding any additives. The prepared sample was characterized by using X-ray diffraction (XRD), high-resolution transmission electron microscopy (HRTEM), scanning electron microscopy (SEM), Fourier-transform infrared (FT-IR) spectroscopy, energy dispersive X-ray spectroscopy (EDS) and Raman spectroscopy. Detailed studies on the dielectric and electrical behavior (dielectric constant, complex impedance Z *, ac conductivity, and relaxation mechanisms) of the nanocomposite have been performed using the nondestructive complex impedance spectroscopy technique within the temperature range 150-400 K. The dielectric constant of the sample as a function of temperature showed the typical characteristics of a relaxor. The maximum dielectric constant value was observed to depend on frequency. The non-monotonic relaxation behavior of the prepared nanocomposite was evidenced from the spectra of loss tan, tan( δ ). The relaxation kinetics was modeled using a non-Arrhenius model., Competing Interests: There are no conflicts to declare., (This journal is © The Royal Society of Chemistry.)- Published
- 2018
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21. Efficacy of Post-Exposure Prophylaxis in Infants Born to HBsAg Positive Mothers in Iran; Is It Authentic?
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Ahmadinejad Z, Abdi Liae Z, Salehizadeh S, Mansori S, and Alijani N
- Abstract
Background: Hepatitis B infection is a universal concern. This infection can lead to chronic liver disease and hepatocellular carcinoma. Neonates born to HBsAg-positive mothers are at high risk of chronic hepatitis B virus (HBV) infection, especially for HBeAg-positive mothers or neonates who have not received hepatitis B immunoglobulin (HBIg) and HBV vaccines., Objectives: The aim of this study was to evaluate the efficacy of post-exposure prophylaxis in these infants to prevent infection., Patients and Methods: Thirty-eight infants born to HBsAg-positive mothers between September 2006 and September 2013 were followed. The investigation evaluated whether the standard prevention protocol of neonatal HBV transmission including HBIg at birth and receiving three doses of vaccine at birth and 2 and 6 months of age was performed, followed by post-vaccination tests (evaluation of HBsAg and HBsAb titer at 9 to 18 months of age) to determine subsequent infection. HBsAb titer ≥ 10 was considered as criterion for effectiveness of the prophylaxis procedure. The acquired data were analyzed using SPSS software (Version 18). The results are reported in descriptive tabulations., Results: Ninety seven percent (97%) of infants received HBIg at birth in the hospital. Generally, all of them received the first, second and third doses of vaccine at birth, 2 months, and 6 months after birth, respectively. Information for 35 mothers infected with HBV and 38 infants was available. The mean age of the mothers was 30.3 years. The results indicated that 20% of mothers were HBeAg positive. HBsAg was positive in one (2.6%) infant born to an HBeAg-positive mother. Around 94% of infants' HBsAb titers were ≥ 10, and 5.8% were reported as non-responders., Conclusions: The vertical transmission prevention program used in the study population in Tehran, which had an appropriate sample size, is effective. Additional doses of the vaccine can be useful in raising the effectiveness of immunoprophylaxis for infants at high risk of HBV infection. Also, emphasis must be set on post-vaccination testing.
- Published
- 2016
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