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Zahra Khoshbin, Mohammad Reza Housaindokht, Asma Verdian, Mohammad Reza Bozorgmehr
The serious threats of mercury (Hg2+ ) and lead (Pb2+ ) ions for the public health makes it important to achieve the detection methods of the ions with high affinity and specificity. Metal ions usually coexist in some environment and foodstuff or clinical samples. Therefore, it is very necessary to develop a fast and simple method for simultaneous monitoring the amount of metal ions, especially when Hg2+ and Pb2+ coexist. DNAzyme-based biosensors and aptasensors have been highly regarded for this purpose as two main groups of the functional nucleic acid (FNA)-based biosensors...
May 29, 2018: Biosensors & Bioelectronics
Elham Khoshbin, Zakiyeh Donyavi, Erfan Abbasi Atibeh, Ghodratollah Roshanaei, Faranak Amani
Introduction: Endodontic rotary systems may result in dentinal cracks. They may propagate to vertical root fracture that compromises the outcome of endodontic treatment. This study aimed to compare Neolix and Reciproc (single-file systems), Mtwo and ProTaper (conventional rotary systems) in terms of dentinal crack formation in root canal walls. Methods and Materials: This in vitro study was conducted on 110 extracted human single-rooted teeth. The teeth were randomly divided into four experimental groups ( n =25) for root canal preparation with Neolix, Reciproc, Mtwo and ProTaper systems and two control groups ( n =5)...
2018: Iranian Endodontic Journal
Espeed Khoshbin, Stephan Schueler
Explantation of a left ventricular assist device (LVAD) may be challenging even in the most experienced hands. We aim to describe the technique for explantation of an LVAD together with the heart as applicable to all contemporary implantable mechanical assist devices. In order to ensure safe explantation, particular care must be taken at three distinct stages: at the time of LVAD implantation, at pre-transplant assessment and at the time of heart transplantation. The preparation for a safe explantation at LVAD implantation includes positioning the driveline and the outflow graft away from the back of the sternum to ensure protection from injury during re-entry into the chest...
January 2018: Annals of Cardiothoracic Surgery
A I Stavrakis, A Khoshbin, A S McLawhorn, M L Parks
PURPOSE OF REVIEW: The purpose of this review paper is to provide an overview of the relationship between obesity, osteoarthritis, arthroplasty outcomes, and the potential use of bariatric surgery to improve these outcomes. RECENT FINDINGS: Unfortunately, the findings in the currently available literature evaluating the role of bariatric surgery prior to arthroplasty surgery largely rely on retrospective data and their results are somewhat conflicting. Future prospective studies are needed to further evaluate whether or not bariatric surgery prior to arthroplasty surgery may be of benefit for patients...
February 21, 2018: Current Rheumatology Reports
Amit Atrey, Jesse I Wolfstadt, Nasir Hussain, Amir Khoshbin, Sarah Ward, Mohammad Shahid, Emil H Schemitsch, James P Waddell
BACKGROUND: The optimum bearing surface for total hip arthroplasty remains debatable. We have previously published our outcome at 10 years and this represents the 15-year follow-up. METHODS: A total of 58 hips (in 57 patients with a mean age of 42 years) were randomized to receive either ceramic-on-ceramic (CoC) or ceramic-on-polyethylene (CoP) total hip arthroplasty. We prospectively followed for survivorship, functional outcomes (using the Harris Hip Score and the St Michael's Hip Score [SMH]), and radiological outcomes...
December 6, 2017: Journal of Arthroplasty
Kobra Simzari, Davoud Vahabzadeh, Sakineh Nouri Saeidlou, Susan Khoshbin, Yener Bektas
BACKGROUND: Hospital malnutrition is a worldwide dilemma and challenge. High levels of plate waste contribute to malnutrition-related complications in hospital. We investigated the association between the levels of plate waste, food intake and patient satisfaction with nutritional risk and malnutrition prevalence in three hospital settings. METHODS: The sample population of 120 patients, aged 18-65 year, admitted consecutively over a 12 month period to 3 different educational university hospitals was included...
November 16, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
A Atrey, S E Ward, A Khoshbin, N Hussain, E Bogoch, E H Schemitsch, J P Waddell
AIMS: We present the ten-year data of a cohort of patients, aged between 18 and 65 years (mean age 52.7 years; 19 to 64), who underwent total hip arthroplasty. Patients were randomised to be treated with a cobalt-chrome (CoCr) femoral head with an ultra-high molecular weight polyethylene (UHMWPE), highly cross-linked polyethylene (XLPE) or ceramic-on-ceramic (CoC) bearing surface. PATIENTS AND METHODS: A total of 102 hips (91 patients) were randomised into the three groups...
December 2017: Bone & Joint Journal
Elham Khoshbin, Abbas Shokri, Zakieh Donyavi, Shahriar Shahriari, Golsa Salehimehr, Maryam Farhadian, Zeinab Kavandi
BACKGROUND: This study sought to compare the root canal debridement ability of Neolix, Reciproc and ProTaper rotary systems in long oval-shaped root canals. MATERIAL AND METHODS: Eighty five extracted single-rooted human teeth with long oval-shaped single root canals were selected and divided into three experimental groups(n=25) and one control group (n= 10). Root canals were filled with Vitapex radiopaque contrast medium and prepared with Neolix, Reciproc or ProTaper systems...
August 2017: Journal of Clinical and Experimental Dentistry
Seyed Soheil Saeedi Saravi, Seyed Sobhan Saeedi Saravi, Katayoun Khoshbin, Ahmad Reza Dehpour
Although Parkinson's disease (PD) is considered as the second most common life threatening age-related neurodegenerative disorder, but the underlying mechanisms for pathogenesis of PD are remained to be fully found. However, a complex relationship between genetic and environmental predisposing factors are involved in progression of PD. Dopaminergic neuronal cell death caused by mutations and accumulation of α-synuclein in Lewy bodies and neurites was suggested as the main strategy for PD, but current studies have paid attention to the role of mevalonate pathway in incidence of neurodegenerative diseases including PD...
June 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Marzieh Khoshbin Nazdik, Mohammad Taheri, Elham Sajjadi, Shahram Arsang-Jang, Zeinab Kazaei Koohpar, Hidetoshi Inoko, Arezou Sayad
OBJECTIVES: Multiple sclerosis (MS) is an autoimmune disease involving the central nervous system (CNS) with unknown immunopathogenic mechanisms. Matrix metalloproteinase-9 (MMP-9) facilitates T-cell migration into the CNS while the tissue inhibitor matrix metalloproteinase-1 (TIMP-1) inhibits MMP-9 actions. The aim of this study was to evaluate the expression of TIMP-1 RNA and MMP-9/TIMP-1 RNA ratio in blood cells of Iranian patients with relapsing-remitting multiple sclerosis (RRMS) treated with IFNb...
2016: Human Antibodies
P S Cho, S B Bauer, M Pennison, I Rosoklija, A L Bellows, T Logvinenko, S Khoshbin, J G Borer
BACKGROUND: Sacral agenesis (SA) is a rare congenital condition that refers to the absence of part or all of two or more lower sacral vertebral bodies. It can be associated with neurogenic bladder dysfunction that does not necessarily correlate with the level of spinal or skeletal defect. Patients with SA should undergo urodynamic studies (UDS) to guide lower urinary tract (LUT) management. OBJECTIVE: This review aimed to update the present institutional experience since 1981 of this rare patient population with detailed, long-term follow-up of bladder and kidney function...
June 2016: Journal of Pediatric Urology
Amir Khoshbin, Ujash Sheth, Darrell Ogilvie-Harris, Nizar Mahomed, Richard Jenkinson, Rajiv Gandhi, David Wasserstein
PURPOSE: The aim of this study was to identify the survivorship of high tibial osteotomy (HTO) to total knee arthroplasty (TKA) on a population level, and identify the patient, provider and surgical factors that influenced eventual TKA. METHODS: Administrative records from physician billings and hospital admissions were used to identify all adults in Ontario, Canada, who underwent an HTO from 1994 to 2010. The primary outcome was time to TKA, which was estimated using Kaplan-Meier (KM) survival analysis...
March 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
Timothy Leroux, Darrell Ogilvie-Harris, Christian Veillette, Jaskarndip Chahal, Tim Dwyer, Amir Khoshbin, Patrick Henry, Nizar Mahomed, David Wasserstein
BACKGROUND: Clinical studies of shoulder dislocations typically include adult patients (>16 years of age). Only small case series of patients aged 10 to 16 years are available to guide management. PURPOSE: Using a cohort of patients aged 10 to 16 years, this study sought to determine (1) the incidence density rate (IDR) of primary anterior shoulder dislocations requiring closed reduction (CR) and (2) the rate of and risk factors for repeat shoulder CR. STUDY DESIGN: Cohort study (prognosis); Level of evidence, 2...
September 2015: American Journal of Sports Medicine
Ali Reza Khoshbin, Fahimeh Mohamadabadi, Fatemeh Vafaeian, Adel Babania, Saeideh Akbarian, Reza Khandozi, Mohamad Ali Sadrebazaz, Ehsan Hatami, Hamid Reza Joshaghani
BACKGROUND: Gamma radiation effects on the erythrocyte membrane from three different functional parts, lipid bilayer, cytoskeleton and protein components. When the red cell membrane is exposed to radiation, it loses its integrity and hemoglobin leaks out. In addition, irradiation leads to lipid peroxidation and the products of this process, leading to hemolysis. The aim of the present study was to measure osmotic fragility (OF) of red blood cells and malondialdehyde (MDA) levels as a marker of oxidative injury in breast cancer patients treated with radiation and chemotherapy...
July 2015: Reports of Practical Oncology and Radiotherapy
Timothy Leroux, Amir Khoshbin, Markku T Nousiainen
OBJECTIVES: To compare the effect fluoroscopy or electromagnetic (EM) guidance has on the learning of locking screw insertion in tibial nails in surgical novices. METHODS: A randomized, prospective, controlled trial was conducted involving 18 surgical trainees with no prior experience inserting locking screws in intramedullary nails. After a training session using fluoroscopy, participants underwent a pretest using fluoroscopic guidance. Participants were then randomized into either the fluoroscopy or EM group and were further trained using their respective technique...
October 2015: Journal of Orthopaedic Trauma
Amir Khoshbin, Magdalena Lysenko, Peggy Law, James G Wright
BACKGROUND: Removal of instrumentation is often recommended as part of treatment for spinal infections, but studies have reported eradication of infection even with instrumentation retention by using serial débridements and adjuvant antibiotic pharmacotherapy. We sought to determine the effect of instrumentation retention or removal on outcomes in children with spinal infections. METHODS: We retrospectively reviewed the cases of patients who experienced early (< 3 mo) or late (≥ 3 mo) infected spinal fusions...
April 2015: Canadian Journal of Surgery. Journal Canadien de Chirurgie
Amir Khoshbin, Magdalena Lysenko, Peggy Law, James G Wright
BACKGROUND: Removal of instrumentation is often recommended as part of treatment for spinal infections, but studies have reported eradication of infection even with instrumentation retention by using serial débridements and adjuvant antibiotic pharmacotherapy. We sought to determine the effect of instrumentation retention or removal on outcomes in children with spinal infections. METHODS: We retrospectively reviewed the cases of patients who experienced early (< 3 mo) or late (≥ 3 mo) infected spinal fusions...
February 1, 2015: Canadian Journal of Surgery. Journal Canadien de Chirurgie
Arman Taheri, Shahram Firouzi-Marani, Masoud Khoshbin
Eagle syndrome is a rare condition caused by elongation of the styloid process or calcification of the stylohyoid ligament. Patients with Eagle syndrome typically present with dysphagia, dysphonia, cough, voice changes, otalgia, sore throat, facial pain, foreign body sensation, headache, vertigo, and neck pain. Here we report a case in which the patient initially presented with sore throat, left-sided facial pain, and cough. This case report provides a brief review of the diagnosis and nonsurgical management of this rare syndrome...
October 2014: Journal of the Korean Association of Oral and Maxillofacial Surgeons
Shahnaz Ghafoori, Abbasali Keshtkar, Patricia Khashayar, Mehdi Ebrahimi, Majid Ramezani, Zahra Mohammadi, Farzane Saeidifard, Nasrin Nemati, Maryam Khoshbin, Solmaz Azizian, Fatemeh Zare, Sara Shirazi, Bagher Larijani
BACKGROUND: The present study is designed to assess the incidence rate of osteoporotic fracture and its risk factors, particularly those used to predict the 10-year risk of osteoporotic fracture in FRAX based on the data gathered through a follow up cohort initiated in 2000. METHODS: The present retrospective cohort was conducted on men and women from 40 to 90 years of age enrolled in the IROSTEOPs study. A phone survey was conducted during 2013 and beginning of 2014 to assess the fractures (traumatic/osteoporotic) occurring at the time of inclusion until the date of the telephone survey, its type and mechanism, and the patient's age at the time of accident...
2014: Journal of Diabetes and Metabolic Disorders
Amir Khoshbin, Liora Caspi, Peggy W Law, Sandra Donaldson, Derek Stephens, Trevor da Silva, Catharine S Bradley, James G Wright
STUDY DESIGN: Retrospective comparative study. OBJECTIVE: To evaluate the outcome of bracing in patients with juvenile idiopathic scoliosis (JIS) at either skeletal maturity or time of scoliosis surgery. SUMMARY OF BACKGROUND DATA: JIS is generally thought to have poor outcomes with high rates of surgical fusion. METHODS: All patients with JIS between the ages of 4 and 10 years treated with a brace at the Hospital for Sick Children (SickKids) between 1989 and 2011 were eligible...
January 1, 2015: Spine
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