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Mohammad Haghighi, Abbas Sedighinejad, Bahram Naderi Nabi, Cyrus Emiralavi, Gelareh Biazar, Kaveh Mirmozaffari, Cyrus Zahedan, Mehdi Jafari
BACKGROUND: Electroconvulsive therapy (ECT) is a safe and effective mode of therapy for a wide variety of psychiatric disorders. However, it is associated with some disturbing side effects, such as nausea and vomiting, dental and tongue injury, confusion, dizziness, headache, and myalgia. OBJECTIVES: The present study focused on the evaluation of myalgia and headache and their predictors after ECT. PATIENTS AND METHODS: A prospective analytical descriptive study was conducted from October 2014 to January 2015, in an academic hospital in northern Iran...
June 2016: Anesthesiology and Pain Medicine
Fariba Ghasemvand, Esmaeil Biazar, Sara Tavakolifard, Mohammad Khaledian, Saeid Rahmanzadeh, Daruosh Momenzadeh, Roshanak Afroosheh, Faezeh Zarkalami, Marjan Shabannezhad, Saeed Hesami Tackallou, Nilofar Massoudi, Saeed Heidari Keshel
AIM: The aim of this study was to design multi-walled carbon nanotubes (MWCNTs) loaded with paclitaxel (PTX) anti-cancer drug and investigate its anti-cancerous efficacy of human gastric cancer. BACKGROUND: Carbon nanotubes (CNTs) represent a novel nano-materials applied in various fields such as drug delivery due to their unique chemical properties and high drug loading. PATIENTS AND METHODS: In this study, multi-walled carbon nanotubes (MWCNTs) pre-functionalized covalently with a paclitaxel (PTX) as an anti-cancer drug and evaluated by different analyses including, scanning electron microscope (SEM), particle size analyzer and cellular analyses...
2016: Gastroenterology and Hepatology From Bed to Bench
Tahmine Biazar, Mehran Shokri, Hajar Hosseinnia, Masomeh Bayani
Orf is a mucocutaneous disease that occurs when non-intact skin comes into contact with contaminated sheep saliva. The lesions may complicate to lymphangitis or secondary bacterial infection, but systemic complications such as erythema multiforme, maculopapular rash, and generalized lymphadenopathy are rare. In this paper, we present two cases of erythema multiforme following Orf disease.
2016: Emergency (Tehran, Iran)
Abbas Sedighinejad, Bahram Naderi Nabi, Mohammad Haghighi, Gelareh Biazar, Vali Imantalab, Siamak Rimaz, Zahra Zaridoost
BACKGROUND: Etomidate is a potent hypnotic agent with several desirable advantages such as providing a stable cardiovascular profile with minimal respiratory adverse effects and better hemodynamic stability compared with other induction agents. This drug is associated, however, with myoclonic movements which is characterized by a sudden, brief muscle contractions as a disturbing side-effect. OBJECTIVES: The present study was designed to compare the effectiveness of low- dose midazolam, magnesium sulfate, remifentanil and low-dose etomidate to suppress etomidate-induced myoclonus in orthopedic surgery...
April 2016: Anesthesiology and Pain Medicine
Farnoush Farzi, Bahram Naderi Nabi, Ali Mirmansouri, Fereshteh Fakoor, Zahra Atrkar Roshan, Gelareh Biazar, Tayyebeh Zarei
BACKGROUND: Uncontrolled postoperative pain, characteristic to abdominal hysterectomy, results in multiple complications. One of the methods for controlling postoperative pain is preemptive analgesia. Gabapentin and tramadol are both used for this purpose. OBJECTIVES: This study aims to compare the effects of tramadol and gabapentin, as premedication, in decreasing the pain after hysterectomy. PATIENTS AND METHODS: This clinical trial was performed on 120 eligible elective abdominal hysterectomy patients, divided in three groups of 40, receiving tramadol, gabapentin and placebo, respectively...
February 2016: Anesthesiology and Pain Medicine
Shokooh Moghaddam, Mohammad Taghi Khorasani, Hesam Hosseinkazemi, Esmaeil Biazar, Mahyar Fazeli
Magnetic separation has numerous advantages in isolating cancerous and normal cells used in the diagnosis and treatment sectors. Here, we produced magnetic nanocomposite films made of polyhydroxybutyrate (PHB)/magnetite nanoparticles (γ-Fe2O3), and the properties of the films by SEM, TEM, FTIR, DMTA, contact angle, and cellular analyses were investigated. The microscopic images showed uniform distribution of γ-Fe2O3 magnetic nanoparticles in polymeric matrix. The chemical bounds between magnetic nanoparticles and polymeric matrix demonstrated using the FTIR spectrophotometer...
June 2016: Journal of Biomaterials Science. Polymer Edition
Daruosh Momenzadeh, Alireza Baradaran-Rafii, Saeed Heidari Keshel, Maryam Ebrahimi, Esmaeil Biazar
The aim of this study was to develop nanofibrous gelatin substrates for eyelid fat stem cell (EFSC) expansion that can serve as a potential alternative substrate to replace human amniotic membrane. Biocompatibility results indicated that all substrates were highly biocompatible, as EFSCs could favorably attach and proliferate on the nanofibrous surfaces. Microscopic figures showed that the EFSC were firmly anchored to the substrates and were able to retain a normal stem cell phenotype. Immunocytochemistry (ICC) and real time-PCR results revealed change in the expression profile of EFSCs grown on nanofibrous substrates when compared to those grown on control in epithelial induction condition...
February 2, 2016: Artificial Cells, Nanomedicine, and Biotechnology
Mohammad Khaledian, Faeze Jiroudhashemi, Esmaeil Biazar
Surface modification of medical polymers is carried out to improve biocompatibility. In this study, conventional polymers (chitosan and polypropylene) were modified to laser at different features (oriented and non-oriented) to create a vast range of physicochemical characteristics on the surface of polymers and investigate their effects on biocompatibility of treated surfaces. Atomic force microscope (AFM) was applied to study the morphology of treated samples in comparison with those of the untreated PS. Contact angle analyses were used to evaluate the wettability and surface energy of the treated films...
February 2, 2016: Artificial Cells, Nanomedicine, and Biotechnology
Tahmineh Biazar, Yousef Yahyapour, Mohammad Reza Hasanjani Roushan, Ramazan Rajabnia, Mahmoud Sadeghi, Hasan Taheri, Mohammad Ranaei, Masomeh Bayani
BACKGROUND: Serial measurement of hepatitis B virus (HBV) DNA levels in the liver and its relation with liver damage and serum HBV DNA levels are guide to begin and/or end a treatment course. This study evaluated the relationship between liver hepatitis B DNA viral load with liver histology in patients with chronic hepatitis B (HBV). METHODS: Thirty patients with chronic anti-Hbe positive hepatitis B, with liver enzymes ≥ 2 times of the upper limit of normal and positive HBV DNA of any amount were entered in the study...
2015: Caspian Journal of Internal Medicine
Bahram Naderi Nabi, Abbas Sedighinejad, Mohammad Haghighi, Gelareh Biazar, Masood Hashemi, Soodabeh Haddadi, Amirhossein Fathi
BACKGROUND: Painful diabetic peripheral neuropathy (DPN) is a long-term complication of type 1 and type 2 diabetes that majorly impacts quality of life. Its prevalence increases with age and duration of diabetes. It is more common in patients who have suboptimal glycemic control over several years. Because DPN may be resistant to conventional treatments, it is common for patients to only have partial pain relief. Therefore, new therapeutic options are needed for the condition. OBJECTIVES: The aim of the present study was to compare the efficacy of transcutaneous electrical nerve stimulation (TENS) and pulsed radiofrequency (PRF) lumbar sympathectomy in treating painful DPN...
October 2015: Anesthesiology and Pain Medicine
Esmaeil Biazar, Alireza Baradaran-Rafii, Saeed Heidari-keshel, Sara Tavakolifard
The aim of this study was to develop nanofibrous silk substrates for limbal stem cell expansion that can serve as a potential alternative substrate to replace human amniotic membrane. The human limbal stem cell was used to evaluate the biocompatibility of substrates (random and oriented nanofibrous mats, and human amniotic membrane) based on their phenotypic profile, viability, proliferation, and attachment ability. Biocompatibility results indicated that all substrates were highly biocompatible, as limbal stem cells could favorably attach and proliferate on the nanofibrous surfaces...
2015: Journal of Biomaterials Science. Polymer Edition
Hoda Bahrami, Saeed Heidari Keshel, Aliakbar Jafari Chari, Esmaeil Biazar
Unrestricted somatic stem cells (USSCs) loaded in nanofibrous polycaprolactone (PCL) scaffolds can be used for skin regeneration when grafted onto full-thickness skin defects of rats. Nanofibrous PCL scaffolds were designed by the electrospinning method and crosslinked with laminin protein. Afterwards, the scaffolds were evaluated by scanning electron microscopy, and physical and mechanical assays. In this study, nanofibrous PCL scaffolds loaded with USSCs were grafted onto the skin defects. The wounds were subsequently investigated 21 days after grafting...
September 2016: Artificial Cells, Nanomedicine, and Biotechnology
Alireza Baradaran-Rafii, Esmaeil Biazar, Saeed Heidari-keshel
PURPOSE: The aim of this study was to develop nanofibrous polycaprolactone (PCL) substrate for limbal stem cell (LSC) expansion that can serve as a potential alternative substrate to replace human amniotic membrane (AM). MATERIALS AND METHODS: The human limbus stem cell was used to evaluate the biocompatibility of substrates (nanofibrous scaffold and, human AM) based on their phenotypic profile, viability, proliferation and attachment ability. RESULTS: Biocompatibility results indicated that the all substrates were highly biocompatible, as LSCs could favorably attach and proliferate on the nanofibrous surface...
2016: Current Eye Research
Sara Tavakolifard, Esmaeil Biazar, Khalil Pourshamsian, Mohammad H Moslemin
Single-wall carbon nanotubes (SWCNT) represent a novel nanomaterial applied in various nanotechnology fields because of their surface chemistry properties and high drug cargo capacity. In this study, SWCNT are pre-functionalized covalently with paclitaxel (PTX) - an anticancer drug, and folic acid (FA), as a targeting agent for many tumors. The samples are investigated and evaluated by different analyses such as Fourier transform infrared (FT-IR) spectroscopy, scanning electron microscopy (SEM), thermal gravimetric analysis (TGA), absorption spectroscopic measurements (UV-Visible), elemental analysis, and cell analyses with cancer cell line cultures...
August 2016: Artificial Cells, Nanomedicine, and Biotechnology
Esmaeil Biazar, Saeed Heidari Keshel
The combination of scaffolds and cells can be useful in tissue reconstruction. In this study, nanofibrous poly (3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV)/nanohydroxyapatite (nano-HAp) scaffolds, filled with unrestricted somatic stem cells (USSCs), were used for healing calvarial bone in rat model. The healing effects of these scaffolds, with and without stem cells, in bone regeneration were investigated by computed tomography (CT) analysis and pathology assays after 28 days of grafting. The results of CT analysis showed that bone regeneration on the scaffolds, and the amounts of regenerated new bone for polymer/nano-HAp scaffold with USSC, was significantly greater than the scaffold without cell and untreated control samples...
May 2015: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
Esmaeil Biazar, Saeed Heidari Keshel, Majid Pouya
Our previous studies have histomorphologically confirmed that nanofibrous poly(3-hydroxybutyrate-co-3-hydroxyvalerate) conduit can be used to repair 30-mm-long sciatic nerve defects. However, the repair effects on rat behaviors remain poorly understood. In this study, we used nanofibrous poly(3-hydroxybutyrate-co-3-hydroxyvalerate) conduit and autologous sciatic nerve to bridge 30-mm-long rat sciatic nerve gaps. Within 4 months after surgery, rat sciatic nerve functional recovery was evaluated per month by behavioral analyses, including toe out angle, toe spread analysis, walking track analysis, extensor postural thrust, swimming test, open-field analysis and nociceptive function...
September 25, 2013: Neural Regeneration Research
Esmaeil Biazar, Saeed Heidari Keshel, Majid Pouya, Hadi Rad, Melody Omrani Nava, Mohammad Azarbakhsh, Shirin Hooshmand
It has been confirmed that nanofibrous poly(3-hydroxybutyrate-co-3-hydroxyvalerate) nerve conduit can promote peripheral nerve regeneration in rats. However, its efficiency in repair of over 30-mm-long sciatic nerve defects needs to be assessed. In this study, we used a nanofibrous poly(3-hydroxybutyrate-co-3-hydroxyvalerate) nerve conduit to bridge a 30-mm-long gap in the rat sciatic nerve. At 4 months after nerve conduit implantation, regenerated nerves were cally observed and histologically assessed. In the nanofibrous graft, the rat sciatic nerve trunk had been reconstructed by restoration of nerve continuity and formation of myelinated nerve fiber...
August 25, 2013: Neural Regeneration Research
Alireza Karimi Yazdi, Ardavan Tajdini, Reza Malekzadeh, Siavosh Nasseri-Moghaddam, Maryam Mazlum, Habibeh Nokhbeh-Zaeem, Parastoo Biazar, Mandana Amiri
BACKGROUND: This study has been designed to investigate the clinical association between gastro esophageal reflux disease (GERD) and chronic otitis media (COM) in adults and also the role of GERD treatment on the outcome of COM surgery. METHODS: In a randomized clinical trial, 58 patients with COM who were candidates for surgery were evaluated for GERD and divided in two groups; GERD positive (case) and GERD negative (control) patients. The GERD positive patients were randomized to either receiving medical treatment for GERD or not prior to surgery...
October 2012: Middle East Journal of Digestive Diseases
A Kuhn, J Sigges, C Biazar, V Ruland, N Patsinakidis, A Landmann, S Amler, G Bonsmann
BACKGROUND: In recent years it has been controversially discussed in the literature if smoking is associated with the activity of cutaneous lupus erythematosus (CLE) and the efficacy of antimalarial agents. OBJECTIVES: To investigate the influence of smoking on disease severity and antimalarial treatment in patients with CLE using the Core Set Questionnaire of the European Society of Cutaneous Lupus Erythematosus (EUSCLE). METHODS: A total of 1002 patients (768 female, 234 male) with different CLE subtypes were included in this cross-sectional study, which was performed in 14 different countries...
September 2014: British Journal of Dermatology
Abass Sedighinejad, Mohammad Haghighi, Bahram Naderi Nabi, Poupak Rahimzadeh, Ahmadreza Mirbolook, Mohsen Mardani-Kivi, Majid Nekufard, Gelareh Biazar
BACKGROUND: Postoperative analgesia is one of the concerns of anesthesiologists and patients. Systemic opioid administration is the gold standard in reducing the severe pain after the surgery but some side effects prevent the use of adequate dosage of opioids. OBJECTIVES: The aim of this study was to evaluate the result of adding magnesium sulphate to sufentanil in patient-controlled intravenous analgesia (PCIA) system. PATIENTS AND METHODS: In this randomized clinical trial, 60 patients candidate for lower limb orthopedic surgery were recruited in Poursina Medical Center for six months...
February 2014: Anesthesiology and Pain Medicine
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