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- 저자 : Mohamed Moawad (검색결과 3 건)
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Paul Schadler,Jennifer Shue,Mohamed Moawad,Federico P. Girardi,Frank P. Cammisa,Andrew A. Sama,Russel C. Huang,Darren R. Lebl,Chad M. Craig,Alexander P. Hughes 대한척추외과학회 2017 Asian Spine Journal Vol.11 No.4
Study Design: Retrospective case-control study. Purpose: The purpose of this study was to examine the effect of antidepressants on blood loss and transfusion requirements in spinal surgery patients. Overview of Literature: Several studies have shown an increase in perioperative bleeding in orthopedic surgery patients on antidepressant drug therapy, yet no study has examined the impact of these agents on spinal surgery patients. Methods: Charts of patients who underwent single-level spinal fusion (posterior lumbar interbody fusion with posterior instrumentation) performed by five fellowship-trained surgeons at a tertiary spine center between 2008 and 2013, were retrospectively reviewed. Exclusion criteria included select medical comorbidities, select drug therapy, and Amercian Society of Anesthesiologists Physical Status Classification score of greater than 2. Serotonergic antidepressants were examined in multivariate analysis to assess their predictive value on estimated blood loss and risk of transfusion. Results: A total of 235 patients, of which 52% were female, were included. Allogeneic blood was transfused in 7% of patients. The average estimated blood loss was 682±463 mL. Selective serotonin reuptake inhibitors were taken by 10% of all patients. Multivariable regression analysis showed that intake of selective serotonin reuptake inhibitors was a significant predictor for blood loss (average increase of 34%, p =0.015) and for the need of allogeneic blood transfusion (odds ratio, 4.550; p =0.029). Conclusions: There was a statistically significant association between selective serotonin reuptake inhibitors and both increased blood loss and risk of allogeneic red blood cell transfusion. Surgeons and perioperative providers should take these findings into account when assessing patients’ preoperative risk for blood loss and transfusion.
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Korni, Fatma M. M.,Moawad, Usama K.,Mohammed, Asmaa N.,Edrees, Asmaa The Korean Society of Fish Pathology 2022 한국어병학회지 Vol.35 No.1
Aquaculture development is based on the ideas of increasing production while reducing economic losses. Bacterial diseases are the leading source of fish cases. Citrobacter freundii has been linked to septicemia and mortality all over the world. In the current study, the cause of mortality in O. niloticus was C. freundii MW279218. External hemorrhages were seen on the affected fish, as well as paleness in the liver and kidney congestion. C. freundii MW279218 had a median lethal dosage of 1.5×10<sup>5</sup> CFU/mL. Zinc oxide and zinc oxide nanoparticles (ZnO-NPs) were tested for their biocidal effectiveness against C. freundii MW279218. The lethal effect of ZnO-NPs for C. freundii MW279218 was 100% when compared to zinc oxide compound, and the inhibition zone width was 2.31.1mm at the highest tested concentrations (70 mg/L) compared to the lowest (35 and 45 mg/L, respectively). Fish were fed three different diets for 28 days: diet 1 (no additives), diet 2 (100 mg of ZnO-NPs/kg of feed), and diet 3 (200 mg of ZnO-NPs/kg of feed). Organs were also collected for histopathology 96 hours after injection (P<0.05). In the groups given 200 mg of ZnO-NPs, there was 10% mortality and 80% RPS. The group fed 100 mg of ZnO-NPs/kg, on the other hand, had 20% mortality and 60% RPS, compared to 50% mortality in the control positive group. Histopathological examinations demonstrated significant alterations in the control positive group and mild lesions in the hepatopancreas of the groups administered 100 mg ZnO-NPs/kg of feed. The groups fed 200 mg of ZnO-NPs/kg diet, on the other hand, showed no histological alterations. ZnO-NPs were found to be effective in the up regulation of both IL-10 and complement 5 immune-related genes.
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Fatma M. M. Korni,Asmaa N. Mohammed,Usama K. Moawad,Nour El-Houda y. Hassan,Ahmed Farghali,Rehab K. Mahmoud 한국어병학회 2023 한국어병학회지 Vol.36 No.1
Nanotechnology seeks to improve material effectiveness to have a greater impact on medicine. The current study was performed to determine how effective dietary propolis (PR) and propolis nanoparticles (PR-NPs) were at improving immune and anti-oxidant status, lowering cortisol levels as stress indicators, and preventing Pseudomonas aeruginosa infection in O. niloticus. Histopathology was carried out. Fish (N = 516, 25 ± 2g) were fed basal diets supplemented with 1 gm PR/kg, 2 gm PR/kg, 1 gm PR-NPs/kg, 2 gm PR-NPs/kg feed and control diet for 28 days. When compared to the control, interlukin-1, IgM, complement 5, and levels of lysozyme were dramatically higher in PR and PR-NPs fed-groups. Antioxidant enzymes and glutathione levels were higher in fish fed PR and PR-NPs, but malondialdehyde levels were lower. Cortisol levels decreased in feeding groups compared to the control. When compared to O. niloticus group fed 1 gm PR/kg and the positive control, propolis nanoparticles successfully prevented P. aeruginosa infection and the mortality rate was zero. When compared to the negative control, the positive control group's histopathological findings revealed severe histopathological changes. In low and high groups fed PR-NPS, normal structures were observed as well as high concentrations of PR after being injected with P. aeruginosa. The group that was fed low concentrations of PR after being injected with P. aeruginosa showed only minor histopathological changes. Conclusion: Dietary supplementation of PR or PR-NPs may have a beneficial effect on aquaculture, with PR-NPs having a superior effect.
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