82 results on '"Saadat SH"'
Search Results
2. A Prospective Study on Risk Factors for Acute Kidney Injury and All-Cause Mortality in Hospitalized COVID-19 Patients From Tehran (Iran)
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Rostami Z, Mastrangelo G, Einollahi B, Nemati E, Shafiee S, Ebrahimi M, Javanbakht M, Saadat SH, Amini M, Einollahi Z, Beyram B, Cegolon L., Rostami, Z, Mastrangelo, G, Einollahi, B, Nemati, E, Shafiee, S, Ebrahimi, M, Javanbakht, M, Saadat, Sh, Amini, M, Einollahi, Z, Beyram, B, and Cegolon, L.
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renal failure ,COVID-19 ,SARS-CoV-2 ,acute kidney injury ,electrolyte abnormalities ,Immunology ,electrolyte abnormalitie ,Iran ,Risk Factors ,Humans ,Immunology and Allergy ,Hospital Mortality ,Longitudinal Studies ,Prospective Studies ,Retrospective Studies - Abstract
BackgroundSeveral reports suggested that acute kidney injury (AKI) is a relatively common occurrence in hospitalized COVID-19 patients, but its prevalence is inconsistently reported across different populations. Moreover, it is unknown whether AKI results from a direct infection of the kidney by SARS-CoV-2 or it is a consequence of the physiologic disturbances and therapies used to treat COVID-19. We aimed to estimate the prevalence of AKI since it varies by geographical settings, time periods, and populations studied and to investigate whether clinical information and laboratory findings collected at hospital admission might influence AKI incidence (and mortality) in a particular point in time during hospitalization for COVID-19.MethodsHerein we conducted a prospective longitudinal study investigating the prevalence of AKI and associated factors in 997 COVID-19 patients admitted to the Baqiyatallah general hospital of Tehran (Iran), collecting both clinical information and several dates (of: birth; hospital admission; AKI onset; ICU admission; hospital discharge; death). In order to examine how the clinical factors influenced AKI incidence and all-cause mortality during hospitalization, survival analysis using the Cox proportional-hazard models was adopted. Two separate multiple Cox regression models were fitted for each outcome (AKI and death).ResultsIn this group of hospitalized COVID-19 patients, the prevalence of AKI was 28.5% and the mortality rate was 19.3%. AKI incidence was significantly enhanced by diabetes, hyperkalemia, higher levels of WBC count, and blood urea nitrogen (BUN). COVID-19 patients more likely to die over the course of their hospitalization were those presenting a joint association between ICU admission with either severe COVID-19 or even mild/moderate COVID-19, hypokalemia, and higher levels of BUN, WBC, and LDH measured at hospital admission. Diabetes and comorbidities did not increase the mortality risk among these hospitalized COVID-19 patients.ConclusionsSince the majority of patients developed AKI after ICU referral and 40% of them were admitted to ICU within 2 days since hospital admission, these patients may have been already in critical clinical conditions at admission, despite being affected by a mild/moderate form of COVID-19, suggesting the need of early monitoring of these patients for the onset of eventual systemic complications.
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- 2022
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3. Theoretical modeling of the divergence of a flat-topped beam from a two-stage beam shaper into a conical intensity profile after propagation in free space
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Haghighatzadeh, A. and Saadat, Sh.
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- 2014
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4. Intravascular lithotripsy to facilitate transcarotid artery revascularization in patients with heavily calcified carotid arteries
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Maria Coluccio, Anoushiravan Amini, Evan C. Lipsitz, and Saadat Shariff
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Carotid stenosis ,TCAR ,Intravascular lithotripsy ,Calcification ,Stroke ,Carotid stent ,Diseases of the circulatory (Cardiovascular) system ,RC666-701 ,Surgery ,RD1-811 - Abstract
Transcarotid artery revascularization (TCAR) is an accepted and approved treatment for carotid artery stenosis in high-risk patients, and recently in standard risk patients under the guidelines of the recent CMS National Coverage Determination. However, it's applicability is limited by certain anatomic criteria, such as heavily calcified internal carotid arteries. We retrospectively reviewed two patients at our institution with heavily calcified internal carotid artery plaques who underwent intravascular lithotripsy and TCAR. These two cases demonstrate the feasibility of lithotripsy for modification of heavy, calcified plaque prior to TCAR for patients at high risk for carotid endarterectomy.
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- 2024
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5. Some inequalities arising from analytic summability of functions
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Saadat, Sh., primary and Hooshmand, M.H., additional
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- 2019
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6. Informed Consent for Inclusion into Clinical Trials: A Serious Subject to Note in the Developing World Morteza
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Izadi, M, Fazel, M, Nasiri-Vanashi, T, Saadat, SH, and Taheri, S
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Clinical trials ,Developing World ,Informed Consent - Abstract
Introduction: Informed consent is a critical issue especially in conducting clinical trials that expose human life to medical or surgical interventions. It necessitates a long and complex process through which the participant ispresented with all potential favorable and non-favorable consequences upon getting enrolled in the study.Review: The process of taking informed consent is wellunderstoodin developed countries, with every effort taken to enhance and maintain the autonomy of patients and their right to make an informed choice of whether to participate or not. This may not be the case in thedeveloping world. The information given to patients before the trial might not be properly developed and presented, an issue that can result in serious threat to the decision-making process. On the other hand, investigators should remember that enrolling people into a trial withno potential benefit for themselves cannot be considered ethical. In the current debate, we aim to address the issue of how respectfully and ethically clinical research trials can be done on human subjects and what we can do to enhance the practice in an ethical context.Conclusion: Development of a system through which we could warrant all rights of study participants in all cases around the world seems far from view. However, if we are in doubt about the ethics of a clinical trial, we can ask ourselves: “what would we do, if we were in the same position our patients are in now?”
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- 2012
7. Stochastic modeling of plasma mode forecasting in tokamak
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SAADAT, SH., primary, SALEM, M., additional, GHORANNEVISS, M., additional, and KHORSHID, P., additional
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- 2011
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8. Stochastic modeling of plasma mode forecasting in tokamak.
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SAADAT, SH., SALEM, M., GHORANNEVISS, M., and KHORSHID, P.
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MAGNETOHYDRODYNAMIC instabilities , *STOCHASTIC models , *TOKAMAKS , *BOX-Jenkins forecasting , *FLUCTUATIONS (Physics) , *PREDICTION models , *PINCH effect (Physics) - Abstract
The structure of magnetohydrodynamic (MHD) modes has always been an interesting study in tokamaks. The mode number of tokamak plasma is the most important parameter, which plays a vital role in MHD instabilities. If it could be predicted, then the time of exerting external fields, such as feedback fields and Resonance Helical Field, could be obtained. Autoregressive Integrated Moving Average (ARIMA) and Seasonal Autoregressive Integrated Moving Average are useful models to predict stochastic processes. In this paper, we suggest using ARIMA model to forecast mode number. The ARIMA model shows correct mode number (m = 4) about 0.5 ms in IR-T1 tokamak and equations of Mirnov coil fluctuations are obtained. It is found that the recursive estimates of the ARIMA model parameters change as the plasma mode changes. A discriminator function has been proposed to determine plasma mode based on the recursive estimates of model parameters. [ABSTRACT FROM PUBLISHER]
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- 2012
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9. Bone marrow involvement by lymphoproliferative disorders after renal transplantation: PTLD. Int. Survey.
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Izadi M, Fazel M, Saadat SH, and Taheri S
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- 2012
10. Susceptibility to breast cancer and intron 3 Ins/Del genetic polymorphism of DNA double-strand break repair gene XRCC4
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Saadat Mostafa and Saadat Shekoofeh
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age at diagnosis ,breast cancer ,polymorphism ,susceptibility ,xrcc4 ,Biochemistry ,QD415-436 - Abstract
Background: Since genetic variations in X-ray cross-complementing group 4 (XRCC4; OMIM: 194363) repair gene might be associated with a reduction in cellular DNA repair capacity, it is hypothesized that XRCC4 Ins/Del (I/D) polymorphism (in intron 3 of the gene; rs28360071) may be a risk factor for breast cancer. Therefore, the present casecontrol study was carried out. Methods: The present case-control study included 407 females with breast cancer and a total of 394 healthy females from the general population matched with patients according to age. Genotypic analysis for the XRCC4 I/D polymorphism was performed by PCR. In order to investigate the effect of XRCC4 I/D polymorphism on age at diagnosis of breast cancer, the Kaplan-Meier survival analysis and the Cox proportional hazards regression model were used. Results: Based on the present case-control study, the ID (OR = 0.95, 95% CI: 0.69-1.31, P = 0.781) and DD (OR = 1.24, 95% CI: 0.84-1.83, P = 0.274) genotypes were not associated with breast cancer risk compared with the II genotype. Based on the Cox regression model, there was significant association between genotypes of I/D polymorphism and age at diagnosis of breast cancer (ID + DD vs II; HR = 0.79, 95% CI: 0.64-0.98, P = 0.036). Conclusion: Although there was no significant association between XRCC4 I/D polymorphism and risk of breast cancer, patients having the II genotype have lower age at diagnosis in comparison with patients having ID + DD genotypes.
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- 2015
11. Investigating the interplay between mitophagy and diabetic neuropathy: Uncovering the hidden secrets of the disease pathology.
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Hushmandi K, Einollahi B, Aow R, Suhairi SB, Klionsky DJ, Aref AR, Reiter RJ, Makvandi P, Rabiee N, Xu Y, Nabavi N, Saadat SH, Farahani N, and Kumar AP
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- Humans, Animals, Mitochondria metabolism, Mitochondria pathology, Oxidative Stress, Mitophagy drug effects, Diabetic Neuropathies metabolism, Diabetic Neuropathies pathology, Diabetes Mellitus, Type 2 metabolism, Diabetes Mellitus, Type 2 pathology
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Mitophagy, the cellular process of selectively eliminating damaged mitochondria, plays a crucial role in maintaining metabolic balance and preventing insulin resistance, both key factors in type 2 diabetes mellitus (T2DM) development. When mitophagy malfunctions in diabetic neuropathy, it triggers a cascade of metabolic disruptions, including reduced energy production, increased oxidative stress, and cell death, ultimately leading to various complications. Thus, targeting mitophagy to enhance the process may have emerged as a promising therapeutic strategy for T2DM and its complications. Notably, plant-derived compounds with β-cell protective and mitophagy-stimulating properties offer potential as novel therapeutic agents. This review highlights the intricate mechanisms linking mitophagy dysfunction to T2DM and its complications, particularly neuropathy, elucidating potential therapeutic interventions for this debilitating disease., Competing Interests: Declaration of Competing Interest The authors declare no competing interests., (Copyright © 2024 The Authors. Published by Elsevier Ltd.. All rights reserved.)
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- 2024
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12. The multifaceted role of SOX2 in breast and lung cancer dynamics.
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Hushmandi K, Saadat SH, Mirilavasani S, Daneshi S, Aref AR, Nabavi N, Raesi R, Taheriazam A, and Hashemi M
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- Humans, Female, Epithelial-Mesenchymal Transition physiology, Gene Expression Regulation, Neoplastic, Animals, SOXB1 Transcription Factors metabolism, SOXB1 Transcription Factors genetics, Lung Neoplasms pathology, Lung Neoplasms metabolism, Lung Neoplasms genetics, Breast Neoplasms pathology, Breast Neoplasms metabolism, Breast Neoplasms genetics
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Breast and lung cancers are leading causes of death among patients, with their global mortality and morbidity rates increasing. Conventional treatments often prove inadequate due to resistance development. The alteration of molecular interactions may accelerate cancer progression and treatment resistance. SOX2, known for its abnormal expression in various human cancers, can either accelerate or impede cancer progression. This review focuses on examining the role of SOX2 in breast and lung cancer development. An imbalance in SOX2 expression can promote the growth and dissemination of these cancers. SOX2 can also block programmed cell death, affecting autophagy and other cell death mechanisms. It plays a significant role in cancer metastasis, mainly by regulating the epithelial-to-mesenchymal transition (EMT). Additionally, an imbalanced SOX2 expression can cause resistance to chemotherapy and radiation therapy in these cancers. Genetic and epigenetic factors may affect SOX2 levels. Pharmacologically targeting SOX2 could improve the effectiveness of breast and lung cancer treatments., Competing Interests: Declaration of Competing Interest The authors declare no conflict of interest., (Copyright © 2024 Elsevier GmbH. All rights reserved.)
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- 2024
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13. Brain-derived neurotrophic factor and C-reactive protein (CRP) biomarkers in suicide attempter and non-attempter major depression disorder (MDD) patients.
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Saadat SH, Javanbakht M, and Shahyad S
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Background: In the available literature, levels of BDNF and CRP have been reported to correlate with suicide in depressive patients but there are inconsistencies in the results. We aimed to evaluate and compare BDNF and CRP concentrations in MDD patients with(MDD + SA) and without suicide attempts (MDD-SA) and healthy controls., Methods: 30 (MDD + SA) patients, 30 (MDD-SA) patients, and 26 healthy controls were enrolled in the study. Age, sex, and BMI of patients were recorded. Blood sample was obtained for measurement of BDNF and CRP. Smoking and drug history, family history of suicide, and history of self-harm were also documented. Data were analyzed with SPSS version 22 and R version 4.1.1., Results: 86 patients in three groups were evaluated (mean age: 28.45 ± 9.27 years, 56.71% female). Baseline and demographic parameters except for self-harm (40%, 3.3%, and 0% for MDD + SA, MDD-SA, and healthy controls, respectively, p = 0.001) did not differ between groups. CRP level was not significantly different between groups. BDNF showed a significant difference between groups (17.35, 16.45, and 19.43 for three groups, respectively, p < 0.001). An increase in BDNF decreased the odds of both depression and suicide. Roc curve showed excellent power for BDNF in discriminating MDD groups With healthy group.Roc can notdicrimiate MDD + SA and MDD-SA., Conclusion: In our study, the concentration of BDNF differed significantly between depressed patients with/without suicide attempts and healthy controls which shows the association of BDNF with depression development and not suicide attempts. We could not find any association between CRP level and suicide attempt but still larger cohorts are needed for a definite conclusion., (© 2024. The Author(s).)
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- 2024
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14. Implications of c-Myc in the pathogenesis and treatment efficacy of urological cancers.
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Hushmandi K, Saadat SH, Raei M, Daneshi S, Aref AR, Nabavi N, Taheriazam A, and Hashemi M
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- Humans, Gene Expression Regulation, Neoplastic, Animals, Proto-Oncogene Proteins c-myc metabolism, Proto-Oncogene Proteins c-myc genetics, Urologic Neoplasms pathology, Urologic Neoplasms genetics, Urologic Neoplasms metabolism
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Urological cancers, including prostate, bladder, and renal cancers, are significant causes of death and negatively impact the quality of life for patients. The development and progression of these cancers are linked to the dysregulation of molecular pathways. c-Myc, recognized as an oncogene, exhibits abnormal levels in various types of tumors, and current evidence supports the therapeutic targeting of c-Myc in cancer treatment. This review aims to elucidate the role of c-Myc in driving the progression of urological cancers. c-Myc functions to enhance tumorigenesis and has been documented to increase growth and metastasis in prostate, bladder, and renal cancers. Furthermore, the dysregulation of c-Myc can result in a diminished response to therapy in these cancers. Non-coding RNAs, β-catenin, and XIAP are among the regulators of c-Myc in urological cancers. Targeting and suppressing c-Myc therapeutically for the treatment of these cancers has been explored. Additionally, the expression level of c-Myc may serve as a prognostic factor in clinical settings., Competing Interests: Declaration of Competing Interest The authors declare no conflict of interest., (Copyright © 2024 Elsevier GmbH. All rights reserved.)
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- 2024
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15. The science of exosomes: Understanding their formation, capture, and role in cellular communication.
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Hushmandi K, Saadat SH, Raei M, Aref AR, Reiter RJ, Nabavi N, Taheriazam A, and Hashemi M
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- Humans, Animals, Neoplasms pathology, Neoplasms metabolism, Exosomes metabolism, Cell Communication physiology
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Extracellular vesicles (EVs) serve as a crucial method for transferring information among cells, which is vital in multicellular organisms. Among these vesicles, exosomes are notable for their small size, ranging from 20 to 150 nm, and their role in cell-to-cell communication. They carry lipids, proteins, and nucleic acids between cells. The creation of exosomes begins with the inward budding of the cell membrane, which then encapsulates various macromolecules as cargo. Once filled, exosomes are released into the extracellular space and taken up by target cells via endocytosis and similar processes. The composition of exosomal cargo varies, encompassing diverse macromolecules with specific functions. Because of their significant roles, exosomes have been isolated from various cell types, including cancer cells, endothelial cells, macrophages, and mesenchymal cells, with the aim of harnessing them for therapeutic applications. Exosomes influence cellular metabolism, and regulate lipid, glucose, and glutamine pathways. Their role in pathogenesis is determined by their cargo, which can manipulate processes such as apoptosis, proliferation, inflammation, migration, and other molecular pathways in recipient cells. Non-coding RNA transcripts, a common type of cargo, play a pivotal role in regulating disease progression. Exosomes are implicated in numerous biological and pathological processes, including inflammation, cancer, cardiovascular diseases, diabetes, wound healing, and ischemic-reperfusion injury. As a result, they hold significant potential in the treatment of both cancerous and non-cancerous conditions., Competing Interests: Declaration of Competing Interest The authors declare no conflict of interest., (Copyright © 2024 Elsevier GmbH. All rights reserved.)
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- 2024
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16. Amino acid transporters within the solute carrier superfamily: Underappreciated proteins and novel opportunities for cancer therapy.
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Hushmandi K, Einollahi B, Saadat SH, Lee EHC, Farani MR, Okina E, Huh YS, Nabavi N, Salimimoghadam S, and Kumar AP
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- Humans, Animals, Tumor Microenvironment, Solute Carrier Proteins metabolism, Solute Carrier Proteins genetics, Neoplasms metabolism, Amino Acid Transport Systems metabolism, Amino Acid Transport Systems genetics, Amino Acids metabolism
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Background: Solute carrier (SLC) transporters, a diverse family of membrane proteins, are instrumental in orchestrating the intake and efflux of nutrients including amino acids, vitamins, ions, nutrients, etc, across cell membranes. This dynamic process is critical for sustaining the metabolic demands of cancer cells, promoting their survival, proliferation, and adaptation to the tumor microenvironment (TME). Amino acids are fundamental building blocks of cells and play essential roles in protein synthesis, nutrient sensing, and oncogenic signaling pathways. As key transporters of amino acids, SLCs have emerged as crucial players in maintaining cellular amino acid homeostasis, and their dysregulation is implicated in various cancer types. Thus, understanding the intricate connections between amino acids, SLCs, and cancer is pivotal for unraveling novel therapeutic targets and strategies., Scope of Review: In this review, we delve into the significant impact of amino acid carriers of the SLCs family on the growth and progression of cancer and explore the current state of knowledge in this field, shedding light on the molecular mechanisms that underlie these relationships and highlighting potential avenues for future research and clinical interventions., Major Conclusions: Amino acids transportation by SLCs plays a critical role in tumor progression. However, some studies revealed the tumor suppressor function of SLCs. Although several studies evaluated the function of SLC7A11 and SLC1A5, the role of some SLC proteins in cancer is not studied well. To exert their functions, SLCs mediate metabolic rewiring, regulate the maintenance of redox balance, affect main oncogenic pathways, regulate amino acids bioavailability within the TME, and alter the sensitivity of cancer cells to therapeutics. However, different therapeutic methods that prevent the function of SLCs were able to inhibit tumor progression. This comprehensive review provides insights into a rapidly evolving area of cancer biology by focusing on amino acids and their transporters within the SLC superfamily., Competing Interests: Declaration of competing interest Authors have no competing interest., (Copyright © 2024 The Author(s). Published by Elsevier GmbH.. All rights reserved.)
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- 2024
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17. Ferroptosis contributes to the progression of female-specific neoplasms, from breast cancer to gynecological malignancies in a manner regulated by non-coding RNAs: Mechanistic implications.
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Hushmandi K, Klionsky DJ, Aref AR, Bonyadi M, Reiter RJ, Nabavi N, Salimimoghadam S, and Saadat SH
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Ferroptosis, a recently identified type of non-apoptotic cell death, triggers the elimination of cells in the presence of lipid peroxidation and in an iron-dependent manner. Indeed, ferroptosis-stimulating factors have the ability of suppressing antioxidant capacity, leading to the accumulation of reactive oxygen species (ROS) and the subsequent oxidative death of the cells. Ferroptosis is involved in the pathophysiological basis of different maladies, such as multiple cancers, among which female-oriented malignancies have attracted much attention in recent years. In this context, it has also been unveiled that non-coding RNA transcripts, including microRNAs, long non-coding RNAs, and circular RNAs have regulatory interconnections with the ferroptotic flux, which controls the pathogenic development of diseases. Furthermore, the potential of employing these RNA transcripts as therapeutic targets during the onset of female-specific neoplasms to modulate ferroptosis has become a research hotspot; however, the molecular mechanisms and functional alterations of ferroptosis still require further investigation. The current review comprehensively highlights ferroptosis and its association with non-coding RNAs with a focus on how this crosstalk affects the pathogenesis of female-oriented malignancies, from breast cancer to ovarian, cervical, and endometrial neoplasms, suggesting novel therapeutic targets to decelerate and even block the expansion and development of these tumors., Competing Interests: The authors declare that they have no competing interests., (© 2024 The Authors.)
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- 2024
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18. Investigating the trend of demographic changes, mortality, clinical and paraclinical findings of patients hospitalized in the Corona ward, before and after the start of general vaccination of COVID-19.
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Morovatshoar R, Hushmandi K, Orouei S, Saadat SH, and Raesi R
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- Humans, Middle Aged, Male, Female, Aged, Cross-Sectional Studies, Adult, Intensive Care Units statistics & numerical data, COVID-19 mortality, COVID-19 prevention & control, COVID-19 epidemiology, COVID-19 Vaccines administration & dosage, COVID-19 Vaccines immunology, Vaccination statistics & numerical data, Hospitalization statistics & numerical data, SARS-CoV-2 immunology
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Background: Prioritizing prevention over treatment has been a longstanding principle in the world health system. This study aims to compare the demographic changes, mortality, clinical, and paraclinical findings of patients hospitalized in the Corona ward before and after the start of general vaccination., Methods: This cross-sectional study utilized the simple random sampling method in 2022, analyzing 300 medical records of patients admitted to the Corona ward at 22 Bahman Khaf Hospital. Data were collected using a checklist with the help of the Medical Care Monitoring System and analyzed using SPSS-22 statistical software and Chi-square statistical test at a significance level of p < 0.05., Results: Before the start of general vaccination for COVID-19, the majority of patients were hospitalized in the Corona Intensive Care Unit (59.3%), aged between 51 and 65 years (47.3%), hospitalized for more than 3 days (54%), required intubation (49.3%), had SPO2 < 93% (60.7%), and exhibited common symptoms such as cough, shortness of breath, and loss of consciousness. Paraclinical findings included positive CRP, decreased lymphocytes, and ground glass opacity (GGO). After the start of general vaccination for COVID-19, most patients were hospitalized in the general care department of Corona (68%), aged between 36 and 50 years (47.3%), hospitalized for less than three days (66%), required intubation (20%), had SPO2 ≥ 93% (77.3%), and exhibited common symptoms such as weakness, headache, and body pain. Paraclinical findings were within the normal range., Conclusions: General vaccination for COVID-19 has significantly reduced patient mortality and morbidity. Health policymakers should prioritize general vaccination to achieve herd immunity and improve public health., (© 2024. The Author(s).)
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- 2024
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19. Cytokine profile and antioxidants status in the moderate and severe COVID-19 patients: a trial of ozone therapy impact as a medicinal supplement.
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Ghaleh HEG, Izadi M, Javanbakht M, Ghanei M, Einollahi B, Jafari NJ, Alishiri G, Aslani J, Abolghasemi H, Simonetti V, Khafaei M, Zhao S, Saadat SH, Ahmadi M, Parvin S, Vazifedoust S, and Alvanagh AG
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- Humans, Antioxidants therapeutic use, SARS-CoV-2, Interleukin-10, Tumor Necrosis Factor-alpha, Interleukin-6, Cytokines, Superoxide Dismutase, COVID-19 therapy, Ozone therapeutic use
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Background: Complementary ozone therapy has been identified as a revolutionary medical technique for a number of goals and ailments. At the present, it has been shown that ozone has medicinal qualities, such as antibacterial, antifungal, and antiparasitic properties. Coronavirus (SARS-CoV-2) is quickly spread over the globe. Cytokine storms and oxidative stress seem to play a substantial role in the most of acute attacks of the disease. The aim of this research was to assess the therapeutic advantages of complementary ozone therapy on the cytokine profile and antioxidant status in COVID-19 patients., Methods: The statistical sample of this study included two hundred patients with COVID-19. One hundred COVID-19 patients (treatment group) received 240 ml of the patient's blood and an equal volume of O2/O3 gas at a concentration of 35-50 μg/ml daily, which gradually increased in concentration, and were kept for 5-10 days and one hundred patients (control group) received standard treatment. The secretion levels of IL-6, TNF-α, IL-1β, IL-10 cytokines, SOD, CAT and GPx were compared between control patients (standard treatment) and standard treatment plus intervention (ozone) before and after treatment., Results: The findings indicated a significant decrease in the level of IL-6, TNF-α, IL-1β in group receiving complementary ozone therapy in compared with control group. Furthermore, a significant increase was found in the level of IL-10 cytokine. Moreover, SOD, CAT and GPx levels revealed a significant increase in complementary ozone therapy group compared to control group., Conclusions: Our results revealed that complementary ozone therapy can be used as a medicinal complementary therapy to reduce and control inflammatory cytokines and oxidative stress status in patients with COVID-19 as revealed its antioxidant and anti-inflammatory effects., (© 2023. The Author(s), under exclusive licence to Springer Nature Switzerland AG.)
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- 2023
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20. Refractory Atrial Flutter, the Unusual Presentation of Covid-19 Infection in a Neonate: A Case Report and Review of Literature.
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Saadat SH, Tariverdi M, Kargarfard Jahromi M, Sharma D, and Farahbakhsh N
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Introduction: The accurate incidence of different cardiovascular consequences of COVID-19 in the pediatric population has been inadequately defined due to ongoing genotype changes in the virus. Although COVID-19 is known to increase inflammatory markers associated with atrial arrhythmias, the contemporary literature has poorly described new onset arrhythmias as a complication in previously healthy neonates with COVID-19., Case Presentation: A twenty-day-old female term neonate, born by caesarean section with immediate cry, developed labored breathing, cyanosis, and tachycardia after having close contact with a confirmed case of COVID-19. The neonate developed atrial flutter, which was refractory to cardioversion and drugs, namely Amiodarone, Flecainide, and Propranolol. The authors treated the neonate with IVIG. This is the first reported case of atrial flutter in the neonatal period secondary to COVID-19., Conclusion: Since the start of the SARS-CoV-2 pandemic, all attention and concerns have been mainly on respiratory manifestations and complications. The cardiovascular complications and treatment have been neglected. This case reports tachyarrhythmia (Atrial Flutter) as an unusual presentation of acute COVID-19 in the neonatal population and shows the role of IVIG in the treatment of refractory arrhythmias., Competing Interests: The authors declare that they have no conflicts of interest, (© 2023 Isfahan Cardiovascular Research Center & Isfahan University of Medical Sciences.)
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- 2023
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21. Correction: Efficacy of ozone therapy on visual evoked potentials in diabetic patients.
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Izadi M, Javanbakht M, Sarafzadeh A, Einollahi B, Futuhi F, Vahedi Z, Zhao S, Jonaidi-Jafari N, Hosseini MS, Nejad JH, Naeimi E, Saadat SH, Ghaleh HEG, Fazel M, Einollahi Z, and Cegolon L
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- 2023
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22. Efficacy of ozone therapy on visual evoked potentials in diabetic patients.
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Izadi M, Javanbakht M, Sarafzadeh A, Einollahi B, Futuhi F, Vahedi Z, Zhao S, Jonaidi-Jafari N, Hosseini MS, Nejad JH, Naeimi E, Saadat SH, Ghaleh HEG, Fazel M, Einollahi Z, and Cegolon L
- Abstract
Background: The involvement of the central nervous system is a frequent yet underestimated complication of diabetes mellitus. Visual evoked potentials (VEP) are a simple, sensitive, and noninvasive method for detecting early alterations in central optic pathways. The objective of this paralleled randomized controlled trial was to evaluate the impact of ozone therapy on visual pathways in diabetic patients., Methods: Sixty patients with type 2 diabetes visiting clinics of Baqiyatallah university in Tehran (Iran) hospital were randomly assigned to two experimental groups: Group 1 (N = 30) undergoing a cycle of 20 sessions of systemic oxygen-ozone therapy in addition to standard therapy for metabolic control; Group 2 (N = 30)-serving as control-receiving only standard therapy against diabetes. The primary study endpoints were two VEP parameters; P100 wave latency and P100 amplitude at 3 months. Moreover, HbA
1c levels were measured before the start of treatment and three months later as secondary study endpoint., Results: All 60 patients completed the clinical trial. P100 latency significantly reduced at 3 months since baseline. No correlation was found between repeated measures of P100 wave latency and HbA1c (Pearson's r = 0.169, p = 0.291). There was no significant difference between baseline values and repeated measures of P100 wave amplitude over time in either group. No adverse effects were recorded., Conclusions: Ozone therapy improved the conduction of impulses in optic pathways of diabetic patients. The improved glycemic control following ozone therpay may not fully explain the reduction of P100 wave latency though; other mechanistic effects of ozone may be involved., (© 2023. The Author(s).)- Published
- 2023
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23. Oral fenofibrate for hyperbilirubinemia in term neonates: A single-blind randomized controlled trial.
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Saadat SH, Goodarzi R, and Gharaei B
- Abstract
Background: Hyperbilirubinemia is common in the neonatal period; however, delayed diagnosis or inadequate treatment can cause irreparable damage to the neonates. We aimed to evaluate the efficacy of oral fenofibrate for hyperbilirubinemia in term neonates., Methods: This single-blind randomized controlled trial included 86 term neonates aged 3-7 days, with birth weight ≥2500 g, admitted to Bandar Abbas Children's Hospital, Bandar Abbas Iran, from July 23, 2019, to July 22, 2020. The fenofibrate group received 10 mg/kg oral fenofibrate and phototherapy, while controls only received phototherapy. Serum total bilirubin was measured at 24 and 48 h and at the time of discharge. Hospital length of stay was also noted., Results: The two study groups were comparable regarding age, gender, gestational age, birth weight, and baseline total serum bilirubin levels. Serum total bilirubin levels at 48 h ( P < 0.001) and at discharge ( P < 0.001) were significantly lower in the fenofibrate group compared to controls. Although hospital length of stay was lower in the fenofibrate group compared to controls, the difference was not statistically significant ( P = 0.612). Fenofibrate was more effective on the reduction of serum bilirubin in neonates aged 3-4.5 days starting at the 24
th hour. Moreover, it was more effective in female neonates compared to males starting at the 48th hour., Conclusions: A single dose of oral fenofibrate reduced total serum bilirubin in term neonates with hyperbilirubinemia without any side effects; however, this effect was more prominent after 48 h., Competing Interests: The authors declare that they have no competing interests., (© The Author(s) 2023.)- Published
- 2023
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24. Prostatic urethral lift (UroLift) versus convective water vapor ablation (Rezum) for minimally invasive treatment of BPH: a comparison of improvements and durability in 3-year clinical outcomes.
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Elterman D, Shepherd S, Saadat SH, Alshak MN, Bhojani N, Zorn KC, Rijo E, Misrai V, Lajkosz K, and Chughtai B
- Subjects
- Humans, Male, Middle Aged, Minimally Invasive Surgical Procedures methods, Prostate surgery, Quality of Life, Steam, Treatment Outcome, Lower Urinary Tract Symptoms etiology, Lower Urinary Tract Symptoms surgery, Prostatic Hyperplasia complications, Prostatic Hyperplasia surgery
- Abstract
Introduction: Half of men aged > 60 years will develop benign prostatic hyperplasia (BPH) with 40% of these men having moderate-to-severe lower urinary tract symptoms (LUTS). There is limited knowledge on a head-to-head comparison of prostatic urethral lift (UroLift) and convective water vapor ablation (Rezum) for the treatment of LUTS secondary to BPH. We sought to compare randomized controlled trials with 3-year clinical outcome data., Materials and Methods: After a thorough literature search, two multicenter sham-controlled double-blind randomized trials for UroLift and Rezum were identified and compared. Both studies had similar designs, baseline characteristics, reported outcomes, and low risks of bias., Results: Rezum and UroLift resulted in significant improvement of International Prostate Symptom Score (IPSS) at 3 months (51.4% and 49.9%, respectively) and 50% reduction of IPSS Quality of Life that was durable across all time points. At 24 and 36 months, there was a statistically significant difference in IPSS between groups, favoring Rezum (-11.2 ± 7.3 versus -9.13 ± 7.62, p = 0.04, and -11.0 ± 7.1 versus -8.83 ± 7.41, p = 0.04, respectively). While Rezum had greater improvement in Qmax at 3 months (6.4 ± 7.2 versus 4.29 ± 5.16, p < 0.01), there was no difference in improvement from 12-36 months between treatments. Only UroLift experienced improvements of Men's Sexual Health Questionnaire- Ejaculatory Dysfunction (MSHQ-EjD) function from baseline and was better than Rezum at all time points (p < 0.01). Rezum failed to significantly reduce the MSHQ-EjD bother at 3 months, while UroLift demonstrated a significant reduction of 27.56% (p < 0.01). Both systems offered equal improvements in the bother score by 12-36 months. Surgical re-treatment rates favored Rezum over Urolift (4.4% vs. 10.7%, respectively)., Conclusions: Rezum achieved a greater improvement in symptom relief compared to UroLift. Improvement in ejaculatory dysfunction in patients treated with UroLift was greater than Rezum.
- Published
- 2021
25. The efficacy of corticosteroids therapy in patients with moderate to severe SARS-CoV-2 infection: a multicenter, randomized, open-label trial.
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Ghanei M, Solaymani-Dodaran M, Qazvini A, Ghazale AH, Setarehdan SA, Saadat SH, Ghobadi H, Hoseininia S, Elahikhah M, Samadi AH, Imani Y, Vahedi E, Babamahmoodi F, Rostami FT, Ardebili MHA, Ansarifar A, Golmaei FF, and Asadollah A
- Subjects
- Adult, Aged, Antiviral Agents therapeutic use, COVID-19 diagnosis, COVID-19 mortality, COVID-19 virology, Drug Therapy, Combination, Female, Glucocorticoids adverse effects, Hospital Mortality, Humans, Intensive Care Units, Intubation, Intratracheal, Iran, Length of Stay, Male, Middle Aged, Prednisolone adverse effects, Severity of Illness Index, Time Factors, Treatment Outcome, Glucocorticoids therapeutic use, Prednisolone therapeutic use, COVID-19 Drug Treatment
- Abstract
Background: We performed a multicenter, randomized open-label trial in patients with moderate to severe Covid-19 treated with a range of possible treatment regimens., Methods: Patients were randomly assigned to one of three regimen groups at a ratio of 1:1:1. The primary outcome of this study was admission to the intensive care unit. Secondary outcomes were intubation, in-hospital mortality, time to clinical recovery, and length of hospital stay (LOS). Between April 13 and August 9, 2020, a total of 336 patients were randomly assigned to receive one of the 3 treatment regimens including group I (hydroxychloroquine stat, prednisolone, azithromycin and naproxen; 120 patients), group II (hydroxychloroquine stat, azithromycin and naproxen; 116 patients), and group III (hydroxychloroquine and lopinavir/ritonavir (116 patients). The mean LOS in patients receiving prednisolone was 5.5 in the modified intention-to-treat (mITT) population and 4.4 days in the per-protocol (PP) population compared with 6.4 days (mITT population) and 5.8 days (PP population) in patients treated with Lopinavir/Ritonavir., Results: The mean LOS was significantly lower in the mITT and PP populations who received prednisolone compared with populations treated with Lopinavir/Ritonavir (p = 0.028; p = 0.0007). We observed no significant differences in the number of deaths, ICU admission, and need for mechanical ventilation between the Modified ITT and per-protocol populations treated with prednisolone and Lopinavir/Ritonavir, although these outcomes were better in the arm treated with prednisolone. The time to clinical recovery was similar in the modified ITT and per-protocol populations treated with prednisolone, lopinavir/ritonavir, and azithromycin (P = 0.335; P = 0.055; p = 0.291; p = 0.098)., Conclusion: The results of the present study show that therapeutic regimen (regimen I) with low dose prednisolone was superior to other regimens in shortening the length of hospital stay in patients with moderate to severe COVID-19. The steroid sparing effect may be utilized to increase the effectiveness of corticosteroids in the management of diabetic patients by decreasing the dosage., (© 2021. The Author(s).)
- Published
- 2021
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26. Iranian kidney transplant recipients with COVID-19 infection: Clinical outcomes and cytomegalovirus coinfection.
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Molaei H, Khedmat L, Nemati E, Rostami Z, and Saadat SH
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- Aged, COVID-19 epidemiology, Cytomegalovirus Infections epidemiology, Female, Humans, Iran epidemiology, Male, Middle Aged, COVID-19 complications, Coinfection virology, Cytomegalovirus Infections complications, Kidney Transplantation, SARS-CoV-2, Transplant Recipients
- Abstract
Background: There is a high risk of COVID-19 in kidney transplant recipients (KTRs) because of chronic immunosuppression and severe cytomegalovirus (CMV) pneumonitis., Case Presentation: A case series of 10 KTRs with COVID-19 in Iran was developed. Participants consisted of two female and eight male patients, aged 46-68 years old. The data related to clinical laboratory tests, outcomes, diagnosis, and drug treatments were collected. The RT-PCR confirmed the COVID-19 infection in KTRs. The assessment of serum biochemical and blood hematological factors showed that there was a strong correlation between COVID-19 intensity and high serum Cr, BUN, and ALT levels, high CRP concentration, and lower lymphocyte and platelet counts in male KTRs. Ground-glass opacity (GGO) was the main radiologic pattern visible on both chest radiographs of computed tomography scans. The COVID-19 and CMV coinfection in KTRs resulted in large-size kidneys with severe parenchymal echogenicity and hydronephrosis. The combined use of effective antibiotic and antiviral drugs was suitable to prevent COVID-19 progression in KTRs., Conclusions: The coincidence of COVID-19 and CMV in KTRs may potentially increase the mortality risk of patients. The levels of Cr, BUN, ALT, and CRP as well as lymphocytes count in these patients should be continuously controlled., (© 2020 Wiley Periodicals LLC.)
- Published
- 2021
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27. The clinical value of two combination regimens in the Management of Patients Suffering from Covid-19 pneumonia: a single centered, retrospective, observational study.
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Vahedi E, Ghanei M, Ghazvini A, Azadi H, Izadi M, Panahi Y, Fathi S, Salesi M, Saadat SH, Ghazale AH, Rezapour M, Mozafari A, Zand N, Parsaei MR, Ranjkesh MH, Jafari R, Movaseghi F, and Darabi E
- Subjects
- Adult, Aged, Azithromycin administration & dosage, COVID-19 complications, Drug Combinations, Drug Therapy, Combination, Female, Humans, Hydroxychloroquine administration & dosage, Iran, Length of Stay, Levofloxacin administration & dosage, Lopinavir administration & dosage, Male, Meropenem administration & dosage, Middle Aged, Naproxen administration & dosage, Oseltamivir administration & dosage, Pneumonia, Viral virology, Prednisolone administration & dosage, Retrospective Studies, Ritonavir administration & dosage, Treatment Outcome, Vancomycin administration & dosage, Hospitalization statistics & numerical data, Pneumonia, Viral drug therapy, COVID-19 Drug Treatment
- Abstract
Background: There is no identified pharmacological therapy for COVID-19 patients, where potential therapeutic strategies are underway to determine effective therapy under such unprecedented pandemic. Therefore, combination therapies may have the potential of alleviating the patient's outcome. This study aimed at comparing the efficacy of two different combination regimens in improving outcomes of patients infected by novel coronavirus (COVID-19)., Methods: This is a single centered, retrospective, observational study of 60 laboratory-confirmed COVID-19 positive inpatients (≥18 years old) at two wards of the Baqiyatallah Hospital, Tehran, Iran. Patient's data including clinical and laboratory parameters were recorded. According to the drug regimen, the patients were divided into two groups; group I who received regimen I consisting azithromycin, prednisolone, naproxen, and lopinavir/ritonavir and group II who received regimen II including meropenem, levofloxacin, vancomycin, hydroxychloroquine, and oseltamivir., Results: The oxygen saturation (SpO2) and temperature were positively changed in patients receiving regimen I compared to regimen II (P = 0.013 and P = 0.012, respectively). The serum level of C-reactive protein (CRP) changed positively in group I (P < 0.001). Although there was a significant difference in platelets between both groups (75.44 vs 51.62, P < 0.001), their change did not clinically differ between two groups. The findings indicated a significant difference of the average length of stay in hospitals (ALOS) between two groups, where the patients under regimen I showed a shorter ALOS (6.97 vs 9.93, P = 0.001)., Conclusion: This study revealed the beneficial effect of the short-term use of low-dose prednisolone in combination with azithromycin, naproxen and lopinavir/ritonavir (regimen I), in decreasing ALOS compared to regimen II. Since there is still lack of evidence for safety of this regimen, further investigation in our ongoing follow-up to deal with COVID-19 pneumonia is underway. Graphical abstract.
- Published
- 2020
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28. Early manifestation of ARDS in COVID-19 infection in a 51- year-old man affected by Mounier-Kuhn syndrome.
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Jafari R, Cegolon L, Dehghanpoor F, Javanbakht M, Izadi M, Saadat SH, Otoukesh B, and Einollahi B
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- COVID-19, Dyspnea etiology, Humans, Lung physiopathology, Male, Middle Aged, Pandemics, Tomography, X-Ray Computed, Trachea pathology, Coronavirus Infections complications, Pneumonia, Viral complications, Respiratory Distress Syndrome virology, Tracheobronchomegaly complications
- Abstract
A 51-year-old man known to be affected by Mounier-Kuhn syndrome (MKS). presented to Accident & Emergecy (A&E) with fever, dyspnea and deterioration of his chronic coughs. Increased diameters of his trachea (39 mm), right (30 mm) and left (26 mm) main bronchi were revealed by chest computerized tomography (CT) scan. CT scan showed also ground-glass opacities (GGO) and bronchiectasis in the mid and lower zones of both lungs. COIVD-19 infection was eventually confirmed by RT-PCR. A severe form of COVID-19 could occur even in the early stages of the disease in presence of underlying co-morbidities including MKS, which increases the susceptibility to more recurrent and severe respiratory infections., (© 2020 Elsevier Inc. All rights reserved.)
- Published
- 2020
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29. Real Clinical Practice and Therapeutic Management Following COVID-19 Crisis in two Hospitals in Iran: A Statistical and Conceptual View.
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Najafi A, Ghanei M, Janbabaei G, Velayati AA, Saadat SH, Jamaati H, Tabarsi P, Dastan F, Ram M, Darabi E, Fathi S, Gholami Fesharaki M, Ghazale AH, and Saloo S
- Abstract
Background: The Coronavirus disease 2019 (COVID-19) outbreak quickly has spread and became a pandemic. However, no approved therapeutics or effective treatment is available for the treatment of these patients. The present study was done to retrospectively assess the treatment strategies (e.g., pharmaceutical care services) for COVID-19 patients in selected hospitals and highlight the importance of such services in the management of a pandemic., Materials and Methods: Data from a series of COVID-19 patients (978 patients; 658 males [66.9%] and 324 females [33.1%]) admitted to the selected hospitals in Tehran from 20 February to 19 March 2020 were retrieved retrospectively from the Health Information System (HIS) of the hospitals. The statistical tests were used for analyzing the effect and correlation of the variables (drugs) with the average length of stay (ALOS) in the hospital., Results: Diverse medication classes and old drugs with or without strong evidence of therapeutic effects against the novel coronavirus, some previously tried as a treatment for SARS-CoV and MERS-CoV, were mostly used for the treatment of patients in the hospitals. Many medications (broad-spectrum antibiotics and antivirals) or combination therapies are used without evidence of their therapeutic effects during pandemics., Conclusion: Therefore, guidelines should be provided for the off-label use of these drugs by policymakers and stakeholders during a pandemic emergency due to high demands. Also, monitoring of the HIS data can play an important role in improving public health response to emerging diseases., (Copyright© 2020 National Research Institute of Tuberculosis and Lung Disease.)
- Published
- 2020
30. Evaluation of goodness of fit of semiparametric and parametric models in analysis of factors associated with length of stay in neonatal intensive care unit.
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Kheiry F, Kargarian-Marvasti S, Afrashteh S, Mohammadbeigi A, Daneshi N, Naderi S, and Saadat SH
- Abstract
Background: Length of stay is a significant indicator of care effectiveness and hospital performance. Owing to the limited number of healthcare centers and facilities, it is important to optimize length of stay and associated factors., Purpose: The present study aimed to investigate factors associated with neonatal length of stay in the neonatal intensive care unit (NICU) using parametric and semiparametric models and compare model fitness according to Akaike information criterion (AIC) between 2016 and 2018., Methods: This retrospective cohort study reviewed 600 medical records of infants admitted to the NICU of Bandar Abbas Hospital. Samples were identified using census sampling. Factors associated with NICU length of stay were investigated based on semiparametric Cox model and 4 parametric models including Weibull, exponential, log-logistic, and log-normal to determine the best fitted model. The data analysis was conducted using R software. The significance level was set at 0.05., Results: The study findings suggest that breastfeeding, phototherapy, acute renal failure, presence of mechanical ventilation, and availability of central venous catheter were commonly identified as factors associated with NICU length of stay in all 5 models (P<0.05). Parametric models showed better fitness than the Cox model in this study., Conclusion: Breastfeeding and availability of central venous catheter had protective effects against length of stay, whereas phototherapy, acute renal failure, and mechanical ventilation increased length of stay in NICU. Therefore, the identification of factors associated with NICU length of stay can help establish effective interventions aimed at decreasing the length of stay among infants.
- Published
- 2020
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31. Large saddle pulmonary embolism in a woman infected by COVID-19 pneumonia.
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Jafari R, Cegolon L, Jafari A, Kashaki M, Otoukesh B, Ghahderijani BH, Izadi M, Saadat SH, Einollahi B, and Javanbakht M
- Subjects
- COVID-19, Female, Humans, Middle Aged, Pandemics, Pulmonary Embolism diagnosis, SARS-CoV-2, Betacoronavirus, Coronavirus Infections complications, Pneumonia, Viral complications, Pulmonary Embolism virology
- Published
- 2020
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32. The Relation of Copper and Zinc with Incidence of Neonatal Sepsis and Possible Prediction Biomarker Role.
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Saadat SH and Goodarzi R
- Published
- 2020
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33. Management of erectile dysfunction and LUTS/incontinence: the two most common, long-term side effects of prostate cancer treatment.
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Shabataev V, Saadat SH, and Elterman DS
- Subjects
- Humans, Male, Therapeutics adverse effects, Erectile Dysfunction etiology, Erectile Dysfunction therapy, Lower Urinary Tract Symptoms etiology, Lower Urinary Tract Symptoms therapy, Prostatic Neoplasms therapy, Urinary Incontinence etiology, Urinary Incontinence therapy
- Abstract
The two major long-term concerns associated with different options for the management of prostate cancer, (including surgery, radiotherapy, brachytherapy, cryotherapy, HIFU, etc.) include difficulties with lower urinary tract symptoms (LUTS) and/or erectile dysfunction. LUTS can be in the form of stress urinary incontinence (SUI), urge urinary incontinence (UUI), frequency/urgency, and/or voiding difficulties. While surgery is mostly associated with SUI and radiation mostly results in UUI, there can be an overlap. Incontinence rates after cryotherapy and high intensity focused ultrasound (HIFU) are generally very low. Voiding difficulties can also happen after the above-mentioned options. Treatment of SUI can start with pelvic floor muscle exercises (PFME), penile clamps or urethral plugs. If these fail to provide satisfactory results the surgical options could include: urethral bulking agents, male slings, and artificial urinary sphincter (AUS). Surgical options are usually not recommended during the first 6-12 months after radical prostatectomy. Management of frequency, urgency and/or UUI can also be started with lifestyle modifications and PFME. Oral agents (anticholinergics and β3-agonists) are also considered before proceeding to third line options, such as Botox injection or sacral neuromodulation. The treatment options for ED resulting from the treatment of prostate cancer can include oral PDE5-I as the first line, local therapy as the second (such as MUSE, intracavernosal injections, and perhaps low intensity shock wave therapy) and finally surgery as the third line. Standard questionnaires and patient reported outcome measurement tools should be used for the assessment of LUTS and erectile dysfunction prior and after initiation of treatment to guide the management.
- Published
- 2020
34. Editorial Commentary.
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Elterman D and Saadat SH
- Published
- 2019
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35. Clean intermittent catheterization: Single use vs. reuse.
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Saadat SH, Shepherd S, Van Asseldonk B, and Elterman DS
- Abstract
Introduction: Intermittent catheterization (IC) is one of the fundamental aspects of managing patients with chronic urinary retention. Although reuse of catheters has been allowed to be chosen as the first option for IC, the optimal method of IC and the type of catheter has been a long-standing debate. We conducted a literature review regarding risk of urinary tract infection (UTI) and the costs associated with different methods and catheters., Methods: A MEDLINE search via PubMed, EMBASE, and EBSCO host was conducted in March 2018. The date of publication was limited to 2014 to present/current., Results: Single use of catheters (hydrophilic-coated [HC] or uncoated [UC]) was considered to impose a lower risk of UTI in all studies, except in one study that included children, but did not test their dexterity to handle HC catheters. Cost-effectiveness of single-use catheters was confirmed by all studies during this period., Conclusions: Reuse of catheters exposes the patient to a plethora of possible cleaning techniques and duration of catheter use. Patient adherence to cleaning method cannot be predicted and this further amplifies the risk of complications and their burden on the healthcare system. We recommend a patient-centred approach to consider HC catheters as the first option, while considering the patient's/caregiver's ability to accommodate the usage technique. Single-use UC catheters, and finally reuse of catheters are considered as next options if HC catheters are found difficult to handle (especially in children doing self-catheterization). Larger trials investigating this matter are required.
- Published
- 2019
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36. Effect of Stress, Depression and Type D Personality on Immune System in the Incidence of Coronary Artery Disease.
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Masafi S, Saadat SH, Tehranchi K, Olya R, Heidari M, Malihialzackerini S, Jafari M, and Rajabi E
- Abstract
Background: Psychoneuroimmunology (PNI) is the study of the interaction between psychological processes and the nervous and immune systems of the human body. The impact of psychological factors on the immune system and the role of this system in Coronary Artery Disease (CAD) are confirmed. Coronary Heart Disease (CHD) is arisen due to the failure of blood and oxygen to the heart tissues., Aim: The present study aimed to describe psychoneuroimmunological processes which contribute to CAD and CHD progression., Method: Such psychological risk factors like stress, depression and type D personality were investigated here. Psychoneuroimmunological pathways of all three mentioned risk factors were described for CAD., Results: The studies review indicated that stress could be accompanied with myocardial ischemia and help to rupture. The depression involves in the transfer of stable atherosclerotic plaque to unstable, and type D personality is effective in the initial stages of a CAD., Conclusion: As more information on cardiovascular immunity becomes available, this will provide a better understanding and thus act as the foundation for the potential development of new treatment strategies for treatment of cardiovascular disorders.
- Published
- 2018
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37. A Bayesian Analysis With Informative Prior on Disease Prevalence for Predicting Missing Values Due To Verification Bias.
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Hajivandi A, Shirazi HRG, Saadat SH, and Chehrazi M
- Abstract
Aim: Verification bias is one of the major problems encountered in diagnostic accuracy studies. It occurs when a standard test performed on a non-representative subsample of subjects which have undergone the diagnostic test. In this study we extend a Bayesian model to correct this bias., Methods: The study population is patients that have undergone at least two repeated failed IVF/ICSI (in vitro fertilization/intra cytoplasmic sperm injection) cycles. Patients were screened using ultrasonography and those with polyps were recommended for hysteroscopy. A Bayesian modeling was applied on mechanism of missing data using an informative prior on disease prevalence. The parameters of the model were estimated through Markov Chain Monte Carlo methods., Results: A total of 238 patients were screened, 47 of which had polyps. Those with polyps were strongly recommended to undergo hysteroscopy, 47/47 decide to have a hysteroscopy and in 37/47 polyps confirmed. None of the 191 patients with no polyps detected in ultrasonography underwent a hysteroscopy. A model using Bayesian approach was applied with informative prior on polyp prevalence. False and true negatives were estimated in the Bayesian framework. The false negative was obtained 14 and 177 true negatives were obtained, so sensitivity and specificity was estimated easily after estimating the missing data. Sensitivity and specificity were equal to 74% and 94% respectively., Conclusion: Bayesian analyses with informative prior seem to be powerful tools in the simulation of experimental space.
- Published
- 2018
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38. Mindfulness for female outpatients with chronic primary headaches: an internet-based bibliotherapy.
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Tavallaei V, Rezapour-Mirsaleh Y, Rezaiemaram P, and Saadat SH
- Abstract
Our aim was to investigate effectiveness of mindfulness by bibliotherapy on disability, distress, perceived pain and mindfulness in women with tension headaches and migraines. Primary headaches have been of great interest to mental health researchers because of the high prevalence, as well as significant disability and distress in the affected people. Despite the promising results of in-person treatment and some limitations that such interventions may cause, patients may be encountered with problems when using health care services. The present study is a quasi-experimental randomized design with pre-test, post-test, and control group. The study population consisted of 1396 women with migraine headache referring to headache clinic of Baqiyatallah Hospital in Tehran. Of these, 30 patients (including tboh experimental and control group) were selected by objective sampling method and were randomly assigned to the two groups. The experimental group, in addition to medical treatment as usual, was treated for a period of 8 sessions by Mindfulness-based Stress Reduction Internet-based Bibliotherapy, but the control group used only the medical treatment. The sample had no attritions. Data were collected by the four scales of (DASS-21), Migraine Disability Assessment Test (MIDAS), McGill's Short Form Questionnaire (MPQ-SF), and Mindfulness Inventory (MAAS). We used covariance analysis to analyze the findings in the measured scales. MBSR-IBB treatment had no significant effect on pain sensory dimension (P <0.44), despite improvement of mindfulness (P <0.0001). In contrast, the greatest effect was on the level of disability (P <0.0001). We observed also a significant improvement in distress (P <0.0001). In conclusion, in spite of the presence of headaches, the mindfulness improved the quality of life and reduced the level of mental distress. In addition, using the Internet-based bibliotherapy method, these services can be used with easier access, lower cost, and more flexibility., Competing Interests: Conflict of Interest: The authors report no conflicts of interests.
- Published
- 2018
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39. The Role of Individual and Social Variables in Predicting Body Dissatisfaction and Eating Disorder Symptoms among Iranian Adolescent Girls: An Expanding of the Tripartite Influence Mode.
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Shahyad S, Pakdaman S, Shokri O, and Saadat SH
- Abstract
The aim of the present study was to examine the causal relationships between psychological and social factors, being independent variables and body image dissatisfaction plus symptoms of eating disorders as dependent variables through the mediation of social comparison and thin-ideal internalization. To conduct the study, 477 high-school students from Tehran were recruited by method of cluster sampling. Next, they filled out Rosenberg Self-esteem Scale (RSES), Physical Appearance Comparison Scale (PACS), Self-Concept Clarity Scale (SCCS), Appearance Perfectionism Scale (APS), Eating Disorder Inventory (EDI), Multidimensional Body Self Relations Questionnaire (MBSRQ) and Sociocultural Attitudes towards Appearance Questionnaire (SATAQ-4). In the end, collected data were analyzed using structural equation modeling. Findings showed that the assumed model perfectly fitted the data after modification and as a result, all the path-coefficients of latent variables (except for the path between self-esteem and thin-ideal internalization) were statistically significant (p>0.05). Also, in this model, 75% of scores' distribution of body dissatisfaction was explained through psychological variables, socio-cultural variables, social comparison and internalization of the thin ideal. The results of the present study provid experimental basis for the confirmation of proposed causal model. The combination of psychological, social and cultural variables could efficiently predict body image dissatisfaction of young girls in Iran., Competing Interests: Conflict of Interest The authors declare no conflicts of interests.
- Published
- 2018
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40. Effectiveness of Acceptance and Commitment Therapy on Anxiety and Depression of Razi Psychiatric Center Staff.
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Heydari M, Masafi S, Jafari M, Saadat SH, and Shahyad S
- Abstract
Aim: Considering the key role of human resources as the main operator of organisations, the present research aimed to determine the effectiveness of acceptance and commitment therapy for anxiety and depression of Razi Psychiatric Center staff., Materials and Methods: This research follows a quasi-experimental type with pre-test, post-test plans, and control group. Accordingly, 30 people were selected through volunteered sampling among Razi Psychiatric Center staff. Then, they were randomly placed into two groups of 15 (experimental and control) and evaluated using research tools. Research tools consisted of Beck Anxiety and Depression Inventories whose reliability and validity have been confirmed in several studies. Research data were analysed using the analysis of covariance (ANCOVA)., Results: The statistical analysis confirmed the difference in the components of anxiety and depression in the experimental group, which had received acceptance and commitment therapy compared to the group that had not received any therapy in this regard (control group) (p < 0.05)., Conclusion: Acceptance and commitment therapy reduces anxiety and depression.
- Published
- 2018
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41. The Clinical Efficacy of Prostate Cancer Screening in Worldwide and Iran: Narrative Review.
- Author
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Shahyad S, Saadat SH, and Hosseini-Zijoud SM
- Abstract
Prostate cancer (CaP) imposes a great health burden on men, while its incidence has significantly increased in recent years. The screening program for CaP is still controversial and recent large trials have failed to present a significant reduction in prostate-specific mortality and all-cause mortality. An entire body of data obtained from worldwide studies conducted on CaP screening is required to better evaluate health policy decisions and patient decision-making. In current review, the clinical efficacy of screening programs on CaP was discussed in numerous parts of the world, such as in the US, Europe, and Asia, to provide an updated screening recommendation. Finally, we discuss about CaP screening status in Iran and update the screening recommendation in Iran., Competing Interests: The authors declare that there is no conflict of interest that could be perceived as prejudicing the impartiality of the research reported.
- Published
- 2018
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42. Triangular relationship among risky sexual behavior, addiction, and aggression: A systematic review.
- Author
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Ahmadi K, Javadinia SA, Saadat SH, Ramezani MA, and Sedghijalal H
- Abstract
Background: Risky sexual behavior (RSB), addiction, and aggression are three important personal and social factors which influence each other., Objective: To overview the potential relationship among RSB, addiction, and aggression to conduct an interactive model for the pathology and management of human behavior., Methods: This review article was carried out by searching studies in PubMed, Medline, Web of Science, Ebsco, IEEE, Scopus, Springer, MagIran, and IranMedex databases from the year 1993 to 2013. The search terms were violence, aggression, drug abuse, substance abuse, illicit drug, psychoactive drug, intravenous drug users, addiction and high-risk sexual relationships, unprotected sex, high risk sexual behavior, and sexual risk-taking. In this study, forty-nine studies were accepted for further screening, and met all our inclusion criteria (in English or Persian, full text, and included the search terms)., Results: Forty-nine articles were included; 17 out of 26 studies showed a significant correlation between addiction and risky sexual behavior, 15 out of 19 articles indicated a statistically significant correlation between aggression and addiction, and 9 out of 10 articles reported significant correlation between aggression and risky sexual behavior., Conclusion: According to the results, the triangle hypothesis of sex, addiction, and aggression led to the definition of the relationship among the variables of the hypothetical triangle based on the reviewed studies; and the proposed dual and triple relationship based on the conducted literature review was confirmed. This is not a meta-analysis, and there is no analysis of publication bias., Competing Interests: Conflict of Interest: There is no conflict of interest to be declared.
- Published
- 2017
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43. An enquiry on appropriate selection of polymers for preparation of polymeric nanosorbents and nanofiltration/ultrafiltration membranes for hormone micropollutants removal from water effluents.
- Author
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Khansary MA, Mellat M, Saadat SH, Fasihi-Ramandi M, Kamali M, and Taheri RA
- Subjects
- Adsorption, Models, Theoretical, Solubility, Thermodynamics, Ultrafiltration, Hormones analysis, Membranes, Artificial, Nanostructures chemistry, Polymers chemistry, Water Pollutants, Chemical analysis, Water Purification methods
- Abstract
To analyze polymeric nanosorbents and nanofiltration/ultrafiltration membranes for hormone micropollutants removal from water effluents, here an in-through investigation on the suitability and compatibility of various polymers has been carried out. For this work, estradiol, estrone, testosterone, progesterone, estriol, mestranol, and ethinylestradiol were considered. A total number of 452 polymers were analyzed and initially screened using Hansen solubility parameters. The identified good pairs of hormones and polymers then were examined to obtain the equilibrium capacity of hormones removal from water effluents using a modified Flory-Huggins model. A distribution coefficient was defined as the ratio of hormones in water effluent phase and polymer phase. For removal of mestranol, estradiol and ethinylestradiol, no compatible polymer was identified based on initial screening of collected database. Three compatible polymers were identified for estriol. For progesterone, a wide variety of polymers was identified as good matching of polar, dispersion and hydrogen forces contributions can be observed for these pairs. For estrone, only two polymers can be proposed due to the mismatch observed between polar, dispersion and hydrogen forces contributions of other polymers and this hormone. The phase calculations showed that not all the identified good pairs could be used for practical separation applications. The domain of applicability of each good pair was investigated and potential polymers for practical micropollutants removal together with their removal capacity were represented in terms of phase envelops. The theoretical approach follows fundamental chemical thermodynamic equations and then can be simply applied for any system of interest., (Copyright © 2016 Elsevier Ltd. All rights reserved.)
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- 2017
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44. Systematic Review and Meta-analysis of Flibanserin's Effects and Adverse Events in Women with Hypoactive Sexual Desire Disorder.
- Author
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Saadat SH, Kabir A, Rahmani K, Panahi Y, Hosseinialhashemi M, and Sahebkar A
- Subjects
- Female, Humans, Benzimidazoles adverse effects, Benzimidazoles therapeutic use, Sexual Dysfunctions, Psychological drug therapy
- Abstract
Objective: The efficacy and safety of flibanserin in the treatment of Hypoactive Sexual Desire Disorder (HSDD) is controversial. We reviewed existing evidence on the efficacy and safety of flibanserin in treating HSDD, and performed a meta-analysis of reported effects., Method: Literature search was performed in PubMed, Scopus, and Cochrane library to find all trials on the efficacy of flibanserin in HSDD. Meta-analysis was performed using fixed- and random-effects models. Egger's test and "trim and fill" methods were used for the assessment of publication bias and imputation of potentially missing studies, respectively., Results: Among 105 studies that were initially found, only ten related documents (six published and four nonpublished studies) were included in the final analysis, comprising 8345 subjects (6113 and 2232 subjects in the flibanserin and placebo groups, respectively). Incomplete outcome data bias was probable in the included studies. Most studies had an acceptable validity and quality. There was no significant difference between flibanserin and placebo groups in most of the HSDD-assessed indices. Our results showed that although SSE, DSDS, FSFID and FSFI are significantly improved with flibanserin, this change did not reach statistical significance compared with placebo. For FSDSR-item 13 score and FSDSR total score, no significant difference was observed between flibanserin and placebo. The most common side effect of flibanserin was somnolence. The most common causes of heterogeneity were black ethnicity, duration of therapy, age of participants and duration of marital relationship., Conclusion: the efficacy of flibanserin in women with HSDD was not found to be significantly different compared with placebo. Additional trials are required to clarify the efficacy of flibanserin for the treatment of HSDD., (Copyright© Bentham Science Publishers; For any queries, please email at epub@benthamscience.org.)
- Published
- 2017
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45. Measuring Efficiency of Knowledge Production in Health Research Centers Using Data Envelopment Analysis (DEA): A Case Study in Iran.
- Author
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Amiri MM, Nasiri T, Saadat SH, Anabad HA, and Ardakan PM
- Abstract
Introduction: Efficiency analysis is necessary in order to avoid waste of materials, energy, effort, money, and time during scientific research. Therefore, analyzing efficiency of knowledge production in health areas is necessary, especially for developing and in-transition countries. As the first step in this field, the aim of this study was the analysis of selected health research center efficiency using data envelopment analysis (DEA)., Methods: This retrospective and applied study was conducted in 2015 using input and output data of 16 health research centers affiliated with a health sciences university in Iran during 2010-2014. The technical efficiency of health research centers was evaluated based on three basic data envelopment analysis (DEA) models: input-oriented, output-oriented, and hyperbolic-oriented. The input and output data of each health research center for years 2010-2014 were collected from the Iran Ministry of Health and Medical Education (MOHE) profile and analyzed by R software., Results: The mean efficiency score in input-oriented, output-oriented, and hyperbolic-oriented models was 0.781, 0.671, and 0.798, respectively. Based on results of the study, half of the health research centers are operating below full efficiency, and about one-third of them are operating under the average efficiency level. There is also a large gap between health research center efficiency relative to each other., Conclusion: It is necessary for health research centers to improve their efficiency in knowledge production through better management of available resources. The higher level of efficiency in a significant number of health research centers is achievable through more efficient management of human resources and capital. Further research is needed to measure and follow the efficiency of knowledge production by health research centers around the world and over a period of time., Competing Interests: Conflict of Interest: There is no conflict of interest to be declared.
- Published
- 2016
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46. Development of Dual TaqMan Based One-Step rRT-PCR Assay Panel for Rapid and Accurate Diagnostic Test of MERS-CoV: A Novel Human Coronavirus, Ahead of Hajj Pilgrimage.
- Author
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Hashemzadeh MS, Rasouli R, Zahraei B, Izadi M, Tat M, Saadat SH, Najarasl M, Khansari Nejad B, and Dorostkar R
- Abstract
Background: Coronaviruses (CoVs) are large ribonucleic acid (RNA) viruses causing primarily respiratory disease in humans. A novel human coronavirus, subsequently named middle east respiratory syndrome coronavirus (MERS-CoV), was first reported in Saudi Arabia in September of 2012. With increasing numbers of infections and deaths from MERS-CoV, development of a rapid and reliable kit was crucial to prevent further spread of MERS-CoV., Objectives: In this study, we present two real-time reverse-transcription polymerase chain reaction (rRT-PCR) assays for in-house rapid and sensitive diagnostic testing of MERS-CoV, detecting the regions upstream of the envelope gene (upE) and open reading frame (ORF) 1b, respectively, for initial screening and final confirmation of MERS-CoV infection, as recommended by the world health organization (WHO)., Materials and Methods: In this experimental study, acquiring patient samples was difficult; thus, according to WHO recommendations and standard protocols, we synthesized RNA sequences of upE and ORF1b genes as the template signatures and TaqMan based-diagnostic rRT-PCR assays were carried out using these synthetic genes for detection of MERS-CoV. In this research, we also inaugurated a cell-free system to transcribe these RNA sequences using the DNA templates synthesized., Results: The upE and ORF1b based one-step rRT-PCR assays were optimized by testing several times via different synthetic RNAs, and validation results were highly successful. The sensitivity obtained for upE was fewer than ten copies of RNA template per reaction and for ORF1b was 50 or fewer copies per reaction., Conclusions: This study showed that the developed rRT-PCR assays are rapid, reliable, reproducible, specific, sensitive, and simple tools for detection of MERS-CoV. Finally, a kit consisting of two assay signatures and controls was assembled, which can be distributed to public health laboratories in Iran to support international MERS-CoV surveillance and public health response.
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- 2016
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47. INSTRUMENTS OF HIGH RISK SEXUAL BEHAVIOR ASSESSMENT: A SYSTEMATIC REVIEW.
- Author
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Mirzaei M, Ahmadi K, Saadat SH, and Ramezani MA
- Abstract
Background: Sexual behavior is a complex activity affecting all aspects of human's life. Risky sexual behaviors impose negative outcomes on family, relationships and health. Unsafe sex is the second most leading cause of disability adjusted life years worldwide. Valid and reliable tools for assessment of risky sexual behaviors are necessary for implementing preventive measures., Methods: we searched Medline and the Cochrane Library of Systematic Reviews, with the keywords of "risky sexual behavior assessment", "sexual risk assessment", "high risk sexual behavior", "sexual risk taking". By reviewing references of the articles, some complementary studies were added., Results: Assessment can be performed by questionnaire or non-questionnaire instruments. Questionnaires vary depending on their target population, evaluation of risky sexual behavior as a whole or focusing on an associated risk factor. In order to avoid usual biases in self reports, objective biomarker assessment of unprotected sex are employed. These markers include prostate specific antigen, chromosome Y DNA and Seminogelin., Conclusion: Risky sexual behavior can be assessed by various subjective and objective methods. While self-reports are more feasible, objective methods offer a higher degree of reliability. Further studies for finding more feasible methods of using biomarkers are recommended.
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- 2016
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48. Sexual Self-Concept and General Health in Rheumatoid Arthritis Patients.
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Saadat SH, Ramezani A, and Ahmadi K
- Abstract
Background: There are several studies regarding sexual dysfunction in chronic diseases such as diabetes and renal failure; however, no significant study has been done on Iranian rheumatoid arthritis (RA) patients., Objectives: In this study, we aimed to identify and compare sexual dysfunction between RA patients and the normal population., Patients and Methods: In this case-control study, two groups of females (87 RA patients and 89 controls) were randomly selected from the rheumatology clinic of Baqiyatallah Hospital, Tehran, Iran. General health questionnaire (GHQ-28) and multidimensional sexual self-concept questionnaire (MSSCQ) were used to evaluate RA patients. We used SPSS for statistical analysis mainly by the t-test and chi-square test. P values less than 0.05 were considered significant., Results: In the GHQ-28 evaluation, RA patients had lower social function; however somatization rated higher in normal patients (P < 0.05). Sexual health was lower in the RA population (P < 0.05). No significant difference was found in sexual desire. Except sexual pain, other sexual health parameters were lower in RA patients. The scores were as follow: sensation 13.6 ± 4.4 vs. 12.2 ± 4.5, P = 0.024; lubrication 6.9 ± 2.1 vs. 6.2 ± 2.1, P = 0.017; orgasm 10.4 ± 2.8 vs. 9.5 ± 3.2, P = 0.37; pain 10.1 ± 2.2 vs. 10.8 ± 1.9, P = 0.013; enjoyment 23.8 ± 5.8 vs. 21.3 ± 7.5, P = 0.009 and partner related 8.5 ± 1.7 vs. 7.6 ± 2.4, P = 0.005. Furthermore, the concern of losing their sexual partner was higher in the normal population., Conclusions: Our study demonstrated that almost all GHQ and MSSCQ parameters were lower in RA patients, which indicates lower quality sexual life in RA patients. We recommend further consideration for the treatment and care of these patients.
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- 2015
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49. How well establishment of research plans can improve scientific ranking of medical universities.
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Saadat SH, Izadi M, Aslani J, and Ghanei M
- Abstract
Background: As a developing country, Iran has not had a substantial share in global science production activities; however, this country has recently been the forth country in the world regarding research output publications, and biomedical research has played a crucial role in achieving this honorable position., Objectives: In this paper, we aimed to introduce the strategies employed at Baqiyatallah University of Medical Sciences of Iran, to enhance scientific research output of this university., Patients and Methods: The present study used the qualitative content analysis technique. The Research deputies and the head of research centers of Baqiyatallah University of Medical Sciences were the research subjects. The main researcher conducted all the interviews. The participants were all authorities of the university. Sampling continued until data saturation. After speaking with 16 participants, the interviews yielded no new information, and no new categories or subcategories were added to the previous ones. Deep and semi-structured interviews with open-ended questions were used to collect data., Results: Diplomacies employed to promote research, organizing educational classes, and foundation of infrastructural organizations for research and true surveillance of research programs were the main characteristics of Baqiyatallah University of Medical Sciences research strategies., Conclusions: Baqiyatallah University of Medical Sciences is a military university of limited resources that has won several awards in the recent years, and has been categorized as one of the leading first ranked medical universities in Iran; a position quite higher than several other larger universities of the country. We recommend more enhanced strategies for other universities.
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- 2015
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50. Coffee and Depression: A Short Review of Literature.
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Tenore GC, Daglia M, Orlando V, D'Urso E, Saadat SH, Novellino E, Nabavi SF, and Nabavi SM
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- Animals, Caffeine adverse effects, Caffeine pharmacology, Chlorogenic Acid isolation & purification, Coffee adverse effects, Depressive Disorder, Major epidemiology, Humans, Incidence, Caffeine administration & dosage, Coffee chemistry, Depressive Disorder, Major prevention & control
- Abstract
Coffee is among the most widespread and healthiest beverages in the world. It is known to be a highly rich source of biologically active natural metabolites which possess therapeutic effects (i.e. caffeine) and functional properties (i.e. chlorogenic acids). Therefore, coffee can be considered a drink which has different positive effects on human health such as cardioprotective, neuroprotective, hepatoprotective, nephroprotective, etc. However, heavy coffee consumption may be related to some unpleasant symptoms, mainly anxiety, headache, increased blood pressure, nausea, and restlessness. During the past two decades, several studies have indicated that there is a close correlation between consumption of coffee and incidence of depression. In addition, phytochemical studies showed that caffeine is the main responsible constituent for antidepressant effects of coffee through multiple molecular mechanisms. The aim of the present paper was to collect the latest literature data (from 1984 to 2014) on the positive and negative impacts of coffee consumption on the major depressive disorders and to clarify the role of bioactive constituents of coffee in the related different clinical trials. To the best of our knowledge, this the first review on this topic.
- Published
- 2015
- Full Text
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