Publications by authors named "Najafi N"

Article Synopsis
  • Hepatitis B (HBV) and C (HCV) are major global causes of liver disease, leading to liver fibrosis, but there’s limited understanding about how well different diagnostic tools like APRI and FIB-4 compare to fibroscan in diagnosing this condition.
  • The study assessed liver damage in 185 patients (82 with HBV and 103 with HCV) using APRI, FIB-4, and fibroscan, finding that while APRI and FIB-4 indicators were effective for predicting cirrhosis, they were less reliable for lower-grade fibrosis.
  • Results indicated that fibroscan is superior to both APRI and FIB-4 in predicting liver
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Background: Patients hospitalized with COVID-19 can clinically deteriorate after a period of initial stability, making optimal timing of discharge a clinical and operational challenge.

Objective: To determine risks for post-discharge readmission and death among patients hospitalized with COVID-19.

Design: Multicenter retrospective observational cohort study, 2020-2021, with 30-day follow-up.

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Background: Sleep has confirmed physical, psychological, and behavioral benefits, and disruptions can result in disturbances in these states. Moreover, it can be linked bidirectionally with susceptibility to and the subsequent status of brain tumors. The current study examined mood disorders and sleep quality before and after surgery for hemangioblastoma brain tumors.

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Breast cancer is one of the most prevalent forms of cancer, affecting approximately one in eight women during their lifetime. Deciding on breast cancer treatment, which includes the choice between surgical options, frequently demands prompt decision-making within an 8-week timeframe. However, many women lack the necessary knowledge and preparation for making informed decisions.

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  • The organization of healthcare and requirements for postgraduate medical training in pediatric anesthesia are inconsistent across European countries, influenced by country-specific regulations.
  • The European Board of Anaesthesiology has established advisory training standards, but these are not mandatory, leading to significant variations in pediatric anesthesia training practices, such as supervision requirements and clinical experience in different countries.
  • Most European countries lack official pediatric anesthesia fellowship programs, and while there is growing interest in creating a unified European pediatric anesthesia curriculum, it remains unclear how these training differences impact clinical outcomes in pediatric care.
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Introduction: Pauci-immune crescentic glomerulonephritis (GN) is the most common cause of rapidly progressive GN in adults. The aim of this study was to determine the outcome of patients with pauci-immune crescentic GN and risk factors of the development of end-stage kidney disease (ESKD) in these patients.

Methods: This case series study was carried on 120 patients with pauci-immune crescentic GN biopsied in our center betwen 1998 and 2016.

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Several vaccines have been developed against SARS-CoV-2 and subsequently approved by national/international regulators. Detecting specific antibodies after vaccination enables us to evaluate the vaccine's effectiveness. We conducted a prospective longitudinal study among members of Tarbiat Modares University of Tehran, Iran, from 4 September 2021 until 29 December 2021.

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Background: Diphereline is a Gonadotropin-Releasing Hormone agonist commonly used in patients with breast cancer. This study aimed to compare the efficacy and safety of one-month and three-month Microrelin injections produced by Homa Pharmed Company with three-month Diphereline injections manufactured by IPSEN, France.

Methods: The study was a non-inferiority randomized clinical trial conducted between 2019 and 2023 on premenopausal women candidates for endocrine therapy.

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Introduction: Impairment of the type I interferon (IFN-I) signaling pathway is associated with increased severity of COVID-19 disease. Here we have undertaken a systematic review and meta = analysis on the association between the severity of COVID-19 and IFN-1 autoantibodies (AAbs; aIFN-1, aIFN-α, aIFN-ω, and aIFN-β).

Methods: Four databases, including Medline [PubMed], Embase, Web of Science, and Scopus, were systematically searched to find papers on the role of aIFN-1 and its subtype AAbs in the severity of COVID-19 infection.

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Arsenic (As) exposure is known to cause several neurological disorders through various molecular mechanisms such as oxidative stress, apoptosis, and autophagy. In the current study, we assessed the effect of melatonin (Mel) on As-induced neurotoxicity. Thirty male Wistar rat were treated daily for 28 consecutive days.

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Introduction: Membranous nephropathy (MN) has variable clinical outcomes, ranging from spontaneous remission to slow progression to kidney failure. Since the clinical outcomes of MN have not been studied in a large sample size in Iran, this study was designed to evaluate the outcome of patients diagnosed with MN at Hasheminejad Kidney Center (HKC), Tehran.

Methods: In this retrospective cohort study, 1086 patients with a diagnosis of MN who were biopsied between 1998 and 2018 in HKC were evaluated through a review of medical records for baseline clinical and laboratory characteristics at the time of biopsy and through a review of follow-up charts and phone calls for the evaluation of clinical outcomes.

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The study of blood flow in obstructed arteries is a significant focus in computational fluid dynamics, particularly in the field of biomedicine. The primary objective of this research is to investigate the impact of pulsating blood velocity on heat transfer within biological systems, with a specific focus on blood flow in obstructed arteries. To achieve this goal, a comprehensive 3D model representing a straight, constricted blood vessel has been developed.

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Article Synopsis
  • * A systematic review included 22 studies from a pool of 839 reports, focusing on effects like fasting plasma glucose and lipid levels.
  • * Results showed that garlic significantly reduced fasting glucose, insulin, triglycerides, and cholesterol, while increasing "good" HDL cholesterol, suggesting potential benefits for NAFLD management.
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Fungi harboring lignocellulolytic activity accelerate the composting process of agricultural wastes; however, using thermophilic fungal isolates for this process has been paid little attention. Moreover, exogenous nitrogen sources may differently affect fungal lignocellulolytic activity. A total of 250 thermophilic fungi were isolated from local compost and vermicompost samples.

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Background: Since obesity and diabetes are prevalent worldwide, identifying the factors affecting these two conditions can effectively alter them. We decided to investigate the expression of obesity and diabetes genes in infants with birth weights lower than 2500 g in comparison with infants with normal birth weights.

Methods: 215 healthy infants between the ages of 5-6 months were used in the current case-control research, which was conducted at health and treatment facilities in Kermanshah.

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Introduction: The occurrence of oral candidiasis (OC) is expected in patients with COVID-19, especially those with moderate to severe forms of infection who are hospitalized and may be on long-term use of broad-spectrum antibiotics or prolonged corticosteroid therapy. We aimed to characterize clinical conditions, the prevalence profile of species, and outcomes of COVID-19 patients with OC.

Methods: In this observational study, oral samples were obtained from COVID-19 patients suspected of OC admitted to Razi teaching hospital.

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Article Synopsis
  • Electrospinning (ES) is a versatile technique for creating fibers of various sizes using a wide range of natural and synthetic polymers, including proteins.
  • Electrospun protein fibers (EPF) are promising due to their biocompatibility and biodegradability but face challenges in processability that limit their use.
  • The paper discusses current applications of EPFs in industries like food and biomedical fields, highlights their potential for future industrial-scale production, and addresses the challenges and opportunities for using biopolymeric nanofibers.
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Background: Telemetry is often a scarce resource at hospitals and is important for arrhythmia and myocardial ischemia detection. Overuse of telemetry monitoring leads to alarm fatigue resulting in failure to respond to arrhythmias, patient harm, and possible unnecessary testing.

Methods: This quality improvement initiative was implemented across NYC Health and Hospitals, an 11-hospital urban safety net system.

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Arsenic (As) is a toxic metalloid that is widely distributed in the earth's crust. People are continuously exposed to this toxicant in their food and drinking water. Inorganic arsenic occurs in two oxidation states, arsenite 3 (iAs) and arsenate 5 (iAs).

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Background: Aspergillus endocarditis (AE) is a rare fatal infection. The infection is often reported in patients with prosthetic heart valves, immunosuppressed, broad-spectrum antimicrobial use regimens, and drug abusers.

Methods: Herein, we report a rare case of native mitral valve AE in a 63-year-old man, with a probable COVID-19-associated invasive pulmonary aspergillosis nine months ago treated with antifungals.

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Background: Contradictory opinions exist regarding the use of angiotensin-converting enzyme inhibitors (ACEIs) and angiotensin receptor blockers (ARBs) in patients with hypertension, which is the most common comorbidity associated with COVID-19. Herein, the effects of ACEIs and ARBs on outcomes of COVID-19 patients were evaluated.

Methods: In this cross-sectional study, the outcomes of COVID-19 patients were compared between patients who received pretreatment ACEIs or ARBs and those who did not.

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Background: Ivermectin which was widely considered as a potential treatment for COVID-19, showed uncertain clinical benefit in many clinical trials. Performing large-scale clinical trials to evaluate the effectiveness of this drug in the midst of the pandemic, while difficult, has been urgently needed.

Methods: We performed two large multicenter randomized, double-blind, placebo-controlled clinical trials evaluating the effectiveness of ivermectin in treating inpatients and outpatients with COVID-19 infection.

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Metabolic syndrome (MetS) is a multifactorial disease with medical conditions such as hypertension, diabetes, obesity, dyslipidemia, and insulin resistance. Alpha-lipoic acid (α-LA) possesses various pharmacological effects, including antidiabetic, antiobesity, hypotensive, and hypolipidemia actions. It exhibits reactive oxygen species scavenger properties against oxidation and age-related inflammation and refines MetS components.

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