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https://www.readbyqxmd.com/read/27913973/emergence-of-new-virulent-rabbit-hemorrhagic-disease-virus-strains-in-saudi-arabia
#1
Mahmoud M Ismail, Mahmoud H A Mohamed, Ibrahim M El-Sabagh, Mohamed A Al-Hammadi
Rabbit hemorrhagic disease is an acute fatal highly contagious viral infectious disease that causes high losses among rabbitries. The disease was first reported in China in 1984 and later on in Saudi Arabia in 1996. The aim of this study was to investigate the emergence and pathogenicity of new rabbit hemorrhagic disease virus (RHDV) strains in Saudi Arabia. The pathogenicity was confirmed by inoculation in susceptible rabbits. Three RHDV strains were detected by reverse transcriptase polymerase chain reaction (RT-PCR) using primers targeting VP60 capsid protein gene in infected rabbitries during 2012 and 2013...
December 2, 2016: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/27913970/radiological-and-biochemical-effects-ctx-ii-mmp-3-8-and-13-of-low-level-laser-therapy-lllt-in-chronic-osteoarthritis-in-al-kharj-saudi-arabia
#2
Gopal Nambi S, Walid Kamal, Julie George, Elbagir Manssor
Inflammation of synovial membrane and degeneration of articular cartilage in osteoarthritis (OA) lead to major changes in joint space width (JSW) and biochemical components such as collagen-II telopeptide (CTX-II) and matrix metallo protineases (MMP-3, 8, and 13). Low-level laser therapy (LLLT) is thought to have an analgesic effect as well as biomodulatory effect on microcirculation and cartilage regeneration in animal studies. The objective of this study was to examine the analgesic and biochemical effect of LLLT in patients with knee osteoarthritis...
December 3, 2016: Lasers in Medical Science
https://www.readbyqxmd.com/read/27912917/isolation-and-characterization-of-pah-degrading-bacteria-from-the-eastern-province-saudi-arabia
#3
Tajudeen A Oyehan, Assad A Al-Thukair
Contaminated sediment samples were collected from the Eastern Province, Saudi Arabia for isolation of pyrene- and phenanthrene-degrading bacteria by enrichment method. Four isolates were morphologically characterized as Gram-negative rod strains and 16S rRNA sequence analysis revealed the isolates as closely related to Pseudomonas aeruginosa, P. citronellolis, Ochrobactrum intermedium and Cupriavidus taiwanensis. Degradation of the polycyclic aromatic hydrocarbons (PAHs) by the latter three strains was investigated in liquid cultures...
November 29, 2016: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/27911983/fibrin-glue-versus-sutures-for-conjunctival-autografting-in-primary-pterygium-surgery
#4
REVIEW
Vito Romano, Mario Cruciani, Luigi Conti, Luigi Fontana
BACKGROUND: Pterygium, a growth of the conjunctiva over the cornea, is a progressive disease leading in advanced stages to visual impairment, restriction of ocular motility, chronic inflammation and cosmetic concerns. Surgical removal is the treatment of choice, but recurrence can be a problem. Currently the best surgical option in terms of recurrence is conjunctival autograft. To date the most common surgical methods of attaching conjunctival autografts to the sclera are through suturing or fibrin glue...
December 2, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27907981/use-of-social-media-in-education-among-medical-students-in-saudi-arabia
#5
Anas Khaleel Alsuraihi, Ahmed Saeed Almaqati, Sultan Adnan Abughanim, Nisreen Abdulrahman Jastaniah
PURPOSE: Social media (SM), a virtual place where people can share, exchange, and communicate their ideas and knowledge, has become the new trend in communication and learning. This study aims to explore Saudi Arabian medical students' usage of SM and to discover the most common resources used in medical education. Furthermore, it aims to illustrate students' belief about the influence of SM on their learning. METHODS: This cross-sectional study administered validated questionnaires to medical students from different universities in Saudi Arabia, via emails, Twitter, Facebook, and short message service...
December 2016: Korean Journal of Medical Education
https://www.readbyqxmd.com/read/27906795/factors-determining-the-outcome-of-hematopoietic-stem-cell-transplantation-in-patients-with-acute-lymphoblastic-leukemia-at-king-faisal-specialist-hospital-and-research-center-riyadh-saudi-arabia
#6
Suleimman Al-Sweedan, Amal Al-Seraihy, Ali Al-Ahmari, Abdullah Al-Jefri, Viqaruddin Mohammed, Rafat Jafri, Khawar Siddiqui, Mouhab Ayas
Medical records of 82 patients with acute lymphoblastic leukemia (ALL) who underwent hematopoietic cell transplantation (HCT) at our institution from 2005 to 2011 were reviewed. Forty-five patients were male (54.8%). The median age at HCT was 7.46 years (range, 0.98 to 14.31 y), the median time to HCT after diagnosis was 12.56 months. Ten patients were below the age of 1 year (12%). All patients were in complete remission at the time of HCT. In 83 transplants, 64 patients received HCT from human leukocyte antigen-identical-related donors and 19 from other donors...
November 30, 2016: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/27905957/factors-associated-with-no-shows-and-rescheduling-mri-appointments
#7
Majeed O AlRowaili, Anwar E Ahmed, Hasan A Areabi
BACKGROUND: One of the major challenges facing global radiology services comes from delays connected to long waiting lists for magnetic resonance imaging (MRI) procedures. Such delays in diagnostic procedures could lead to poorer patient care outcomes. This study intended to estimate the rate of "No-Shows" or "Reschedule" MRI appointments. We also investigated the factors correlating No-Shows and Reschedule MRI appointments. METHODS: A cross-sectional study was conducted in Saudi Arabia using data obtained via MRI schedule reviews and self-administrated questionnaires...
December 1, 2016: BMC Health Services Research
https://www.readbyqxmd.com/read/27904879/the-establishment-and-diversification-of-epidemic-associated-serogroup-w-meningococcus-in-the-african-meningitis-belt-1994-to-2012
#8
Adam C Retchless, Fang Hu, Abdoul-Salam Ouédraogo, Seydou Diarra, Kristen Knipe, Mili Sheth, Lori A Rowe, Lassana Sangaré, Absetou Ky Ba, Soumeya Ouangraoua, Dhwani Batra, Ryan T Novak, Rasmata Ouédraogo Traoré, Xin Wang
Epidemics of invasive meningococcal disease (IMD) caused by meningococcal serogroup A have been eliminated from the sub-Saharan African so-called "meningitis belt" by the meningococcal A conjugate vaccine (MACV), and yet, other serogroups continue to cause epidemics. Neisseria meningitidis serogroup W remains a major cause of disease in the region, with most isolates belonging to clonal complex 11 (CC11). Here, the genetic variation within and between epidemic-associated strains was assessed by sequencing the genomes of 92 N...
November 2016: MSphere
https://www.readbyqxmd.com/read/27902200/haloprofundus-marisrubri-gen-nov-sp-nov-an-extremely-halophilic-archaeon-isolated-from-the-discovery-deep-brine-seawater-interface-in-the-red-sea
#9
Guishan Zhang, Jingang Gu, Ruifu Zhang, Mamoon Rashid, Mohamed Fauzi Haroon, Weibing Xun, Zhiyong Ruan, Xiuzhu Dong, Ulrich Stingl
We isolated a Gram-staining-negative, pink-pigmented, motile, pleomorphic, extremely halophilic archaeon from the brine-seawater interface of Discovery Deep in the Saudi Arabian Red Sea. This strain, designated SB9T, is capable of growth within a wide range of temperatures and salinity concentrations, but requires MgCl2. Cells lyse in distilled water, but at 7.0% NaCl (w/v) cell lysis is prevented. The major polar lipids from strain SB9T are phosphatidylglycerol (PG), phosphatidylglycerorophosphate-methylester (PGP-Me), sulfated mannosyl glucosyl diether (S-DGD-1), mannosyl glucosyl diether (DGD-1), unidentified glycolipid (GL1) and unidentified phospholipids (UPL1 and UPL2)...
October 9, 2016: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/27901465/livestock-susceptibility-to-infection-with-middle-east-respiratory-syndrome-coronavirus
#10
Júlia Vergara-Alert, Judith M A van den Brand, W Widagdo, Marta Muñoz, Stalin Raj, Debby Schipper, David Solanes, Ivan Cordón, Albert Bensaid, Bart L Haagmans, Joaquim Segalés
Middle East respiratory syndrome (MERS) cases continue to be reported, predominantly in Saudi Arabia and occasionally other countries. Although dromedaries are the main reservoir, other animal species might be susceptible to MERS coronavirus (MERS-CoV) infection and potentially serve as reservoirs. To determine whether other animals are potential reservoirs, we inoculated MERS-CoV into llamas, pigs, sheep, and horses and collected nasal and rectal swab samples at various times. The presence of MERS-CoV in the nose of pigs and llamas was confirmed by PCR, titration of infectious virus, immunohistochemistry, and in situ hybridization; seroconversion was detected in animals of both species...
February 15, 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/27900960/new-onset-diabetes-after-kidney-transplantation-incidence-risk-factors-and-outcomes
#11
Hassan Aleid, Ahmad Alhuraiji, Abdullah Alqaraawi, Ammar Abdulbaki, Mai Altalhi, Mohamed Shoukri, Eldali Abdelmoneim, Tariq Ali
Many patients develop new-onset diabetes after kidney transplantation (NODAT). Its incidence and epidemiology are unknown in the Saudi population. We aimed to study the incidence, epidemiology, and outcomes of kidney transplant recipients who developed NODAT. This is a retrospective study of all adults who received kidney transplant between January 2003 and December 2009. NODAT was defined according to the criteria outlined in the 2003 International Consensus guidelines. A total of 500 patients were included in this study, 54% were male patients...
November 2016: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/27896902/substantial-reduction-in-hospital-stay-of-children-and-adolescents-with-diabetic-ketoacidosis-after-implementation-of-clinical-practice-guidelines-in-a-university-hospital-in-saudi-arabia
#12
Abdulrahman Al Nemri, Yasser Sami Amer, Hala Gasim, Mohamed Elfaki Osman, Ayman Aleyadhy, Hessah Al Otaibi, Shaikh Mohammed Iqbal, Nasir Abdullah Aljurayyan, Asaad M Assiri, Amir Babiker, Sarar Mohamed
RATIONALE, AIMS AND OBJECTIVES: We aimed to determine the effect of Clinical Practice Guideline (CPG) implementation on length of hospital stay of children and adolescents with diabetic ketoacidosis (DKA). METHODS: This was a 6-year (2008-2014) case-control retrospective study conducted at King Khalid University Hospital, Riyadh, that compared patients with DKA managed using CPG with those treated before CPG implementation. RESULTS: There were 63 episodes of DKA in 41 patients managed using CPG compared with 40 episodes in 33 patients treated before implementation of CPG...
November 29, 2016: Journal of Evaluation in Clinical Practice
https://www.readbyqxmd.com/read/27894743/transfer-factors-for-natural-radioactivity-into-date-palm-pits
#13
Mohammad Abu Shayeb, Thamer Alharbi, Muzahir Ali Baloch, Omar Abdul Rahman Alsamhan
Palm pits are used in various human and animal feed products. In this study, the natural radioactivity levels from soil and date palm pits of 9 samples collected from major date palm farms in three different regions (Buraidah, Al-Zulfi and Al-Majmaah) of Saudi Arabia were determined by using the high purity germanium (HPGe) gamma-ray spectrometer. The mean activity concentrations of (226)Ra, (232)Th, (137)Cs and (40)K in soil samples were 12.8 ± 2.2, 10.2 ± 2.1, 0.28 ± 0.10 and 329 ± 87 Bg kg(-1), respectively...
November 25, 2016: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/27894112/association-of-mbl2-gene-polymorphism-with-dental-caries-in-saudi-children
#14
Yousef M Alyousef, J Francis Borgio, Sayed AbdulAzeez, Naif Al-Masoud, Ali A Al-Ali, Emad Al-Shwaimi, Amein K Al-Ali
The high prevalence of dental caries in children worldwide is a major oral health problem which requires early intervention. Dental caries is mainly caused by the action of acids produced by bacteria in addition to many other factors. Recent genetic studies have reported that a number of genes are associated with the susceptibility to dental caries. The majority of these genes are associated with inflammation, increased susceptibility to infection, and dentine matrix formation. Using the TaqMan assay and direct DNA sequencing, the prevalence of 6 single-nucleotide polymorphisms (SNPs) in MMP9, MBL2, MMP2, and TIMP2 genes was determined in 102 children with caries and in 100 age-matched caries-free controls...
November 29, 2016: Caries Research
https://www.readbyqxmd.com/read/27893209/determination-of-metal-levels-in-shamma-smokeless-tobacco-with-inductively-coupled-plasma-mass-spectrometry-icp-ms-in-najran-saudi-arabia
#15
Eid Ibrahim Brima
Objective: The use of Shamma (smokeless tobacco) by certain groups is giving rise to health problems, including cancer, in parts of Saudi Arabia. Our objective was to determine metals levels in Shamma using inductively coupled plasma mass spectrometry (ICP-MS). Methods: Thirty-three samples of Shamma (smokeless tobacco) were collected, comprising four types: brown Shamma (n = 14.0), red Shamma (n = 9.0), white Shamma (n = 4.0), and yellow Shamma (n = 6.0). All samples were collected randomly from Shamma users in the city of Najran...
January 10, 2016: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/27891464/awareness-of-eco-friendly-dentistry-among-dental-faculty-and-students-of-king-khalid-university-saudi-arabia
#16
Mohammed A Al-Qarni, Nasim Vahid Shakeela, Mohammed Abdullah Alamri, Yahya A Alshaikh
INTRODUCTION: Eco-friendly or green dentistry can be a reality by effectively designing dental clinics and using more eco-friendly materials in the clinical practice. AIM: To determine the awareness of eco-friendly dentistry among dental faculty and students in preparation for future implementation. MATERIALS AND METHODS: Assessment of knowledge regarding eco-friendly dentistry was done using an 18 item self-administered questionnaire among 160 participants...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27885941/gstt1-rs4025935-null-genotype-is-associated-with-increased-risk-of-sickle-cell-disease-in-the-populations-of-tabuk-northwestern-region-of-saudi-arabia
#17
Faisel Abu-Duhier, Rashid Mir
BACKGROUND: Glutathione system plays an important role in the protection of cells and tissue against damage from oxidative stress. Impairment of the glutathione system due to genetic polymorphism of GST genes may increase the risk and severity of sickle cell disease (SCD). Present study was, therefore, undertaken to examine the relative impact of the genetic polymorphism of GSTT1 and GSTM1 (rs4025935 and rs71748309) on susceptibility and hematological aspects of the patients with SCD...
November 25, 2016: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/27884173/revisiting-the-morbid-genome-of-mendelian-disorders
#18
Mohamed Abouelhoda, Tariq Faquih, Mohamed El-Kalioby, Fowzan S Alkuraya
BACKGROUND: The pathogenicity of many Mendelian variants has been challenged by large-scale sequencing efforts. However, many rare and benign "disease mutations" are difficult to analyze due to their rarity. The Saudi Arabian variome is enriched for homozygosity due to inbreeding, a key advantage that can be exploited for the critical examination of previously published variants. RESULTS: We collated all "disease-related mutations" listed in the Human Gene Mutation Database (HGMD) and ClinVar, including "variants of uncertain significance" (VOUS)...
November 24, 2016: Genome Biology
https://www.readbyqxmd.com/read/27882000/study-on-risk-factors-predisposing-factors-for-poor-diabetes-control-during-hajj-1436-2015-in-people-with-diabetes
#19
Gulshad Hasan, Hanan Moabber, Arwa Alyamani, Ahmed Sayeed, Faisal Altatar
BACKGROUND AND OBJECTIVE: Each year millions of Muslims perform pilgrimage to Makkah, Saudi Arabia. It is particularly stressful during the peak five days, when all rituals have to be performed at specific periods of time at different sites. Poor diabetes control in people with diabetes predisposes to morbidity and increases risk of acute complications. We wanted to see how well their blood glucose control was before coming to Hajj and whether they were aware, about self management of Diabetes and what were reasons for hospital admissions...
September 2016: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/27878139/compound-heterozygous-ldlr-variant-in-severely-affected-familial-hypercholesterolemia-patient
#20
Faisal A Al-Allaf, Abdullah Alashwal, Zainularifeen Abduljaleel, Mohiuddin M Taher, Abdellatif Bouazzaoui, Hala Abalkhail, Ahmad F Al-Allaf, Mohammad Athar
Familial hypercholesterolemia (FH) is most commonly caused by mutations in the LDL receptor (LDLR), which is responsible for hepatic clearance of LDL from the blood circulation. We described a severely affected FH proband and their first-degree blood relatives; the proband was resistant to statin therapy and was managed on an LDL apheresis program. In order to find the causative genetic variant in this family, direct exon sequencing of the LDLR, APOB and PCSK9 genes was performed. We identified a compound heterozygous mutation in the proband with missense p...
November 23, 2016: Acta Biochimica Polonica
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