Dr. Randa  Sawaf-Hajji  Md image

Dr. Randa Sawaf-Hajji Md

12255 De Paul Dr Suite 600
Bridgeton MO 63044
314 095-5100
Medical School: Other - Unknown
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License #: 2004033970
NPI: 1437363553
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Measuring the Effects of Limited and Persistent School Bullying Victimization: Repeat Victimization, Fear, and Adaptive Behaviors. - Journal of interpersonal violence
Extant research on school bullying has largely focused on the incidence rather than the modality of the experience, leaving key questions about impact unexplored. With a nationally representative sample of more than 3,000 cases, the present study explores the utility of expanding the classification scheme of bullying victimization to include limited victimization and persistent victimization experiences. By examining the differences in victimization, fear of victimization, and avoidance behaviors, the present study establishes that significant differences in fear of future victimization and adaptive avoidance behaviors do exist between the groups classified as limited and persistent. Furthermore, the present study explores the potential differences in the moderating influence of fear of future victimization on the relationship between limited/persistent bullying victimization and adaptive avoidance behavior. Ultimately, the evidence suggests that differentiating between limited and persistent bullying victimization is important for understanding the impact of bullying on students.© The Author(s) 2016.
Three novel mutations of CHD7 gene in two turkish patients with charge syndrome; A double point mutation and an insertion. - Balkan journal of medical genetics : BJMG
The CHARGE (coloboma, heart defects, atresia, retardation, genital, ear) syndrome is a genetic disease characterized by ocular coloboma, choanal atresia or stenosis and semicircular canal abnormalities. Most of the patients clinically diagnosed with CHARGE syndrome have mutations in chromodomain helicase DNA-binding protein 7 (CHD7) gene. The CHD7 gene is located on chromosome 8q12.1, and up to now, there are more than 500 pathogenic mutations identified in the literature. We report two patients diagnosed with CHARGE syndrome with two novel mutations in the CHD7 gene: the first patient has double consecutive novel mutations in three adjacent codons, and the other has a novel insertion.
Association of thrombogenic genes polymorphisms with hepatocellular carcinoma in HCV Egyptian patients. - Gene
The rate of development of fibrosis varies among HCV patients and affected by many variables. We aimed to investigate the association between mutations in Factor V, prothrombin gene and thrombospondin 1 polymorphisms with hepatic fibrosis progression rate and development of HCC in patients infected with HCV and if they are potential markers for early prediction of disease progression. A total of 280 HCV-infected patients (70 with mild fibrosis, 70 with advanced fibrosis, 70 cirrhotic patients and 70 HCC patients) and 100 healthy controls were included. Factor V Leiden G1691A, prothrombin G20210A and thrombospondin 1 mutations were analyzed by restriction fragment length polymorphism. We observed that there were no significant differences between Factor V Leiden (G1691A) or TPS-1 (A2210G) polymorphisms in the four patient subgroups and control group. In HCC patients, the frequencies of GA genotype were significantly increased compared with control subject. HCV patients carrying GA genotype were more likely to develop hepatocellular carcinoma (OR=5.4, 95% CI=1.09-27.05; P=0.026).We concluded that the risk of HCC was increased 5-fold in subjects carrying GA genotype of prothrombin G20210A gene. However, there was no evidence for a significant association between thrombogenic genes polymorphisms and progression of fibrosis in HCV Egyptian patients.Copyright © 2016 Elsevier B.V. All rights reserved.
Dysmenorrhea: Prevalence and Impact on Quality of Life among Young Adult Jordanian Females. - Journal of pediatric and adolescent gynecology
To establish the prevalence and impact on quality of life of dysmenorrhea among young adult Jordanian females.Cross-sectional study based on quantitative self-reported anonymous questionnaire.University-based study.A total of 272 female medical students (aged 19-25 years).None.Self-reports of menstruation-related pain symptoms and methods of dealing with them.Of study subjects 152/272 (55.8%) participants had moderate and severe dysmenorrhea. Of them, 55.8% had a family history of severe dysmenorrhea compared with 33.1% of those without dysmenorrhea (χ2 = 13.40, df = 1, P < .001). There was strong association between severity of dysmenorrhea and poor university attendance (χ(2) = 45.35, df = 2, P < .001), poor social activities (χ2 = 32.06, df = 2, P < .001), poor relationships with family (χ2 = 18.46, df = 2, P < .001) and friends (χ2 = 19.14, df = 2, P < .001), and poor sport activities (χ2 = 12.15, df = 2, P = .002). Dysmenorrhea worsens during examination periods in 50% of cases. The most common pain symptom was low back pain (60.2%). Body mass index, family monthly income and early age at menarche had no correlation with the occurrence of dysmenorrhea. Of those with dysmenorrhea, 69.4% were using analgesics. Mothers were the main source of information regarding menstruation.Dysmenorrhea is highly prevalent among young adult Jordanian females and seems to negatively affect quality of life, particularly as related to university attendance and performance and social relationships.Copyright © 2015 North American Society for Pediatric and Adolescent Gynecology. Published by Elsevier Inc. All rights reserved.
On the possible role of macrofungi in the biogeochemical fate of uranium in polluted forest soils. - Journal of hazardous materials
Interactions of macrofungi with U, Th, Pb and Ag were investigated in the former ore mining district of Příbram, Czech Republic. Samples of saprotrophic (34 samples, 24 species) and ectomycorrhizal (38 samples, 26 species) macrofungi were collected from a U-polluted Norway spruce plantation and tailings and analyzed for metal content. In contrast to Ag, which was highly accumulated in fruit-bodies, concentrations of U generally did not exceed 3mg/kg which indicates a very low uptake rate and efficient exclusion of U from macrofungi. In ectomycorrhizal tips (mostly determined to species level by DNA sequencing), U contents were practically identical with those of the non-mycorrhizal fine spruce roots. These findings suggest a very limited role of macrofungi in uptake and biotransformation of U in polluted forest soils. Furthermore, accumulation of U, Th, Pb and Ag in macrofungal fruit-bodies apparently does not depend on total content and chemical fractionation of these metals in soils (tested by the BCR sequential extraction in this study).Copyright © 2014 Elsevier B.V. All rights reserved.
Novel use of electronic whiteboard in the operating room increases surgical team compliance with pre-incision safety practices. - Surgery
Despite evidence that use of a checklist during the pre-incision time out improves patient morbidity and mortality, compliance with performing the required elements of the checklist has been low. In an effort to improve compliance, a standardized time out interactive Electronic Checklist System [iECS] was implemented in all hospital operating room (OR) suites at 1 institution. The purpose of this 12-month prospective observational study was to assess whether an iECS in the OR improves and sustains improved surgical team compliance with the pre-incision time out.Direct observational analyses of preprocedural time outs were performed on 80 cases 1 month before, and 1 and 9 months after implementation of the iECS, for a total of 240 observed cases. Three observers, who achieved high interrater reliability (kappa = 0.83), recorded a compliance score (yes, 1; no, 0) on each element of the time out. An element was scored as compliant if it was clearly verbalized by the surgical team.Pre-intervention observations indicated that surgical staff verbally communicated the core elements of the time out procedure 49.7 ± 12.9% of the time. After implementation of the iECS, direct observation of 80 surgical cases at 1 and 9 months indicated that surgical staff verbally communicated the core elements of the time out procedure 81.6 ± 11.4% and 85.8 ± 6.8% of the time, respectively, resulting in a statistically significant (P < .0001) increase in time out procedural compliance.Implementation of a standardized, iECS can dramatically increase compliance with preprocedural time outs in the OR, an important and necessary step in improving patient outcomes and reducing preventable complications and deaths.Copyright © 2012 Mosby, Inc. All rights reserved.
Uranium, thorium and rare earth elements in macrofungi: what are the genuine concentrations? - Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine
Concentrations of uranium, thorium and rare earth elements (REE) in 36 species of ectomycorrhizal (26 samples) and saprobic (25 samples) macrofungi from unpolluted sites with differing bedrock geochemistry were analyzed by inductively coupled plasma mass spectrometry (ICP-MS). Analytical results are supported by use of certified reference materials (BCR-670, BCR-667, NIST-1575a) and the reliability of the determination of uranium was verified by epithermal neutron activation analysis (ENAA). It appears that data recently published on these elements are erroneous, in part because of use of an inappropriate analytical method; and in part because of apparent contamination by soil particles resulting in elevated levels of thorium and REE. Macrofungi from unpolluted areas, in general, did not accumulate high levels of the investigated metals. Concentrations of uranium and thorium were generally below 30 and 125 μg kg(-1) (dry weight), respectively. Concentrations of REE in macrofungi did not exceed 360 μg kg(-1) (dry weight) and their distribution more or less followed the trend observed in post-Archean shales and loess.
Using IT to drive operational efficiency in the OR. - Healthcare financial management : journal of the Healthcare Financial Management Association
Automating the anesthesia record in the operating room (OR) can help hospitals reduce coding staff needed and days in accounts receivable. Employing analytics allows OR managers to refine and streamline processes. Using technology to manage surgeon preference cards can help hospitals reduce costs, capture charges, and better manage surgical supplies.
A comparative study to evaluate the effect of honey dressing and silver sulfadiazene dressing on wound healing in burn patients. - Indian journal of plastic surgery : official publication of the Association of Plastic Surgeons of India
To compare the effect of honey dressing and silver-sulfadiazene (SSD) dressing on wound healing in burn patients. Patients (n=78) of both sexes, with age group between 10 and 50 years and with first and second degree of burn of less than 50% of TBSA (Total body surface area) were included in the study, over a period of 2 years (2006-08). After stabilization, patients were randomly attributed into two groups: 'honey group' and 'SSD group'. Time elapsed since burn was recorded. After washing with normal saline, undiluted pure honey was applied over the wounds of patients in the honey group (n=37) and SSD cream over the wounds of patients in SSD group (n=41), everyday. Wound was dressed with sterile gauze, cotton pads and bandaged. Status of the wound was assessed every third and seventh day and on the day of completion of study. Patients were followed up every fortnight till epithelialization. The bacteriological examination of the wound was done every seventh day. The mean age for case (honey group) and control (SSD group) was 34.5 years and 28.5 years, respectively. Wound swab culture was positive in 29 out of 36 patients who came within 8 hours of burn and in all patients who came after 24 hours. The average duration of healing in patients treated with honey and SSD dressing at any time of admission was 18.16 and 32.68 days, respectively. Wound of all those patients (100%) who reported within 1 hour became sterile with honey dressing in less than 7 days while none with SSD. All of the wounds became sterile in less than 21 days with honey, while tthis was so in only 36.5% with SSD treated wounds. The honey group included 33 patients reported within 24 hour of injury, and 26 out of them had complete outcome at 2 months of follow-up, while numbers for the SSD group were 32 and 12. Complete outcome for any admission point of time after 2 months was noted in 81% and 37% of patients in the honey group and the SSD group. Honey dressing improves wound healing, makes the wound sterile in lesser time, has a better outcome in terms of prevention of hypertrophic scarring and post-burn contractures, and decreases the need of debridement irrespective of time of admission, when compared to SSD dressing.
Bioaccumulation of silver in ectomycorrhizal and saprobic macrofungi from pristine and polluted areas. - The Science of the total environment
Macrofungi are effective accumulators of Ag. This study provides a comprehensive review of this phenomenon supported by original data on the Ag concentrations of macrofungi from pristine and Ag-polluted areas. In pristine areas, the median Ag concentrations of ectomycorrhizal (ECM) and saprobic (SAP) macrofungi were 0.79 and 2.94 mg kg(-1), respectively. In these areas, hyperaccumulation thresholds for Ag in ECM and SAP macrofungi are proposed as 100 and 300 mg kg(-1), respectively. In a Ag-polluted area, the Ag concentrations in macrofungi (ECM and SAP) were significantly elevated with the median value of 24.7 mg kg(-1) and the highest concentrations in Amanita spp. of the section Vaginatae (304-692 mg kg(-1)). The intracellular speciation of Ag in fruit-bodies of the Ag-accumulator Amanita submembranacea was inspected by size exclusion chromatography followed by sulfhydryl-specific fluorimetric assays of ligands using reverse phase high-performance liquid chromatography and improved polyacrylamide gel electrophoresis. Virtually all Ag was found to be intracellular and sequestered in the major 7 kDa and minor 3.3 kDa complexes. The lack of glutathione and phytochelatins and the presence of a single 3 kDa sulfhydryl-containing peptide in the isolated Ag-complexes suggest that detoxification of Ag in A. submembranacea may rely on metallothionein. Vertical distribution of Ag in a polluted forest soil profile has shown substantial enrichment in organic horizons; in polluted technosol, the highest Ag concentrations were found in surface layers. Standardized EDTA extraction of Ag in both the investigated soil profiles showed relatively low Ag extractibility, generally within the range of 2.2-7.7% of total Ag content.Copyright (c) 2010 Elsevier B.V. All rights reserved.

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