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Atezolizumab and bevacizumab combination in advanced hepatocellular carcinoma patients:The imperative for safety assessment studies

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World Journal of Clinical Cases 2025年第9期13卷 56-59页

作者： Mina tharwat ahmed Tawheed Mohamed El-Kassas Department of Tropical Medicine and Gastroenterology Faculty of MedicineAswan UniversityAswan 81528Egypt Department of Endemic Medicine Faculty of MedicineHelwan UniversityCairo 11795Egypt

Hepatocellular carcinoma(HCC)is the most prevalent cancer of the hepatobiliary tract and the third leading cause of cancer-related mortality *** and bevacizumab combination is currently considered among the frontline treatment modalities for advanced unresectable *** studies examining this combination were focused on evaluating its *** numerous case reports documenting some side effects,there is a limited number of large-scale studies assessing these side *** this article,we comment on the case report by Park et al published recently,reporting a fatal intra-tumoral hemorrhage in a patient with HCC who received systemic therapy in the form of the combination of atezolizumab and bevacizumab.

关键词： Hepatocellular carcinoma Atezolizumab Bevacizumab Hemorrhage Side effects

Comparing the efficacy of regen-cov,remdesivir,and favipiravir in reducing invasive mechanical ventilation need in hospitalized COVID-19 patients

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World Journal of Clinical Cases 2023年第26期11卷 6105-6121页

作者： Sahar Kmal Hegazy Samar tharwat ahmed Hosny Hassan Clinical Pharmacy Department Faculty of PharmacyTanta UniversityTanta 31511Egypt Rheumatology and Immunology Unit Internal Medicine DepartmentFaculty of MedicineMansoura universityMansoura 35511Egypt Clinical Pharmacy Department Mansoura University HospitalMansoura 35511Egypt

BACKGROUND Coronavirus disease 2019(COVID-19)pandemic stimulates research works to find a solution to this crisis from starting 2020 year up to *** ending of the 2021-year,various advances in pharmacotherapy against COVID-19 have *** antiviral therapy,casirivimab and imdevimab antibody combination is a type of new immunotherapy against *** antiviral therapy against COVID-19 includes Remdesivir and *** To evaluate the efficacy of antibodies cocktail(casirivimab and imdevimab)compared to standard antiviral therapy in reducing the need for invasive mechanical ventilation(IMV).METHODS 265 COVID-19 polymerase chain reaction confirmed patients with indication for antiviral therapy were included in this study and were divided into 3 groups(1:2:2):Group A:REGN3048-3051 antibodies cocktail(casirivimab and imdevimab),group B:Remdesivir,group C:*** study design is a single-blind nonrandomized controlled trial Mansoura University Hospital owns the study’s *** duration of the study was about 6 mo after ethical *** Casirivimab and imdevimab achieve less need for O2 therapy and IMV,with less duration of this need than remdesivir and *** Group A(casirivimab and imdevimab)achieve better clinical outcomes than groups B(remdesivir)and C(favipiravir)intervention groups.

关键词： Antivirals Casirivimab and imdevimab Coronavirus disease 2019 Favipiravir Remdesivir

Pentacam changes in primary angle-closure glaucoma after different lines of treatment

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International Journal of Ophthalmology(English edition) 2020年第4期13卷 591-598页

作者： tharwat HMokbel Abd-Elmonem Elhesy ahmed Alnagdy Mohammed FElashri ahmed MEissa Walid MGaafar Sherein MHagras Mansoura Ophthalmic Center Faculty of MedicineMansoura UniversityMansoura 35516Egypt Department of Ophthalmology Kafrelshiekh UniversityKafir el-Shiekh 33516Egypt Department of Ophthalmology General Organization for Teaching Hospitals and InstitutesCairo 11562Egypt

AIM: To assess the changes in the anterior chamber parameters using Pentacam following four different lines of treatment of primary angle-closure glaucoma(PACG).METHODS: A retrospective comparative study included 126 patients(126 eye) presented within 24-48 h after acute angle-closure glaucoma(AACG). Patients were divided into 2 groups: group A(68 eyes) with controlled intraocular pressure(IOP) ≤21 mm Hg, which included subgroup A1(34 eyes) with clear lens underwent Nd:YAG laser peripheral iridotomy(LPI) and subgroup A2(34 eyes) with cataract underwent standard phacoemulsification;and group B(58 eyes) with uncontrolled IOP, which included subgroup B1(30 eyes) with clear lens underwent trabeculectomy and subgroup B2(28 eyes) with cataract underwent combined phacoemulsification and trabeculectomy. Patients were fol owed up for at least 3 mo. Primary outcomes were Pentacam anterior segment measurements [anterior chamber angle(ACA) and depth(ACD)]. Secondary outcomes were changes in IOP, visual acuity(VA) and recorded complications. RESULTS: At the 3^(rd)month, there was significant increase in the ACA values in all studied groups compared to preoperative values(P<0.001). The highest percent of increase in ACA was recorded in phacotrabeculectomy group B2(128.40%). There was significant increase in ACD values at 3^(rd)month compared with baseline values(P<0.001) for groups A1, A2, and B2;without change in B1 trabeculectomy group. The maximum deepening of ACD was noticed in group B2 with 94.27% increase. Significantdecrease in postoperative IOP in groups A2, B1 and B2(P<0.001, P=0.014, and P<0.001 respectively). In group A1 there was significant increase in 3^(rd)month postoperative IOP from baseline values(P<0.001). The maximum decrease in IOP was noticed in group B2 with 59.54% decrease. VA improvement in 3^(rd)month postoperative was recorded in all studied groups, maximum VA improvement was observed in group B2 up to 0.2 log ***: Pentacam can be a helpful t

关键词： acute primary angle-closure glaucoma laser peripheral iridotomy phacoemulsification trabeculectomy phacotrabeculectomy Pentacam

Surface morphology and cell viability of samarium(Ⅲ) oxide/chromium(Ⅲ) oxide/graphene oxide/polycaprolactone targeting wound dressing

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Journal of Rare Earths 2024年第3期42卷 555-561,I0005页

作者： Muteb H.Alshammari ahmed Onayzan Alshammari Mohamed tharwat Elabbasy Rafat Zreiq Faris Mohammed Albati M.A.El-Morsy A.A.Menazea Department of Health Informatics College of Public Health and Health InformaticsUniversity of Ha'ilHa'ilSaudi Arabia Department of Surgery College of MedicineUniversity of Ha'ilHa'ilSaudi Arabia Department of Public Health College of Public Health and HealthInformaticsHalUniversityHa'il2440Saudi Arabi Food Control Department Faculty of Veterinary MedicineZagazig UniversityZagazig44519Egypt Applied Science Research Center Applied Science Private UniversityAmman541350Jordan College of Shariah and Law Ha'il UniversityHa'il2440Saudi Arabia College of Science and Humanities in Al-Kharj Physics DepartmentPlasma Technology and Material Science UnitPrince Sattam Bin Abdulaziz UniversityAl-kharj11942Saudi Arabia Physics Department Faculty of ScienceUniversity of DamittaNew Damietta34517.Egyp Spectroscopy Department Physics Research InstituteNational Research CentreDokki12622GizaEgypt

Combinations of metal and lanthanide oxides have been done through casted films for potential medical applications. In this regard, samarium(Ⅲ) oxide/chromium(Ⅲ) oxide/graphene oxide(GO)/polycaprolactone(PCL) based films nano-composites(NCs) were fabricated, pointing their utilization as a biological scaffold for wound dressing purposes. Also, samarium(Ⅲ) oxide and chromium(Ⅲ) oxide have been merged as promising optical constituents due to their unique optical behavior. The structural and compositional examination of the studied NCs was executed by X-ray diffraction(XRD), Raman, and field emission scanning electron microscopy(FESEM). The Sm_(2)O_(3)/Cr_(2)O_(3)/GO/PCL NC exhibits a surface with a lower roughness degree owing to the presence of GO. Cr_(2)O_(3)shows size reduction upon GO insertion to reach 1.2 μm as the average grain size, whilst Sm_(2)O_(3)records an average grain size of less than 1 μm. As well, the polymeric nano-compositions exhibit variation in contact angle values that hit 29.76°± 3.52°for Sm_(2)O_(3)/PCL, and 48.62°± 1.37°for Sm_(2)O_(3)/Cr_(2)O_(3)/GO/PCL as the second lowest contact angle. The optical behavior contributes to absorption edge relocation along the x-axis from 1.7 eV for pure PCL, to 2.65 eV for Sm_(2)O_(3)/Cr_(2)O_(3)/GO/PCL. Regarding biological responses, the cell exposed to 2.5 μg/m L of Sm_(2)O_(3)/Cr_(2)O_(3)/GO/PCL shows cell viability of 119.31%, while 5 μg/m L hits 99.6%. Additionally, the resulting cell attachment micrographs show layers of fibroblast tissue, besides the proliferation and growth of cultivated cells. Thus, the Sm_(2)O_(3)/Cr_(2)O_(3)/GO/PCL scaffold provides 3D proliferation of fibroblast cells endorsing the wound healing process.

关键词： Wound healing Wound dressing Polycaprolactone Sm_(2)O_(3) Cr_(2)O_(3) Rare earths

Two-stage procedure in the management of selected cases of keratoconus: clear lens extraction with aspherical IOL implantation followed by WFG-PRK

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International Journal of Ophthalmology(English edition) 2018年第11期11卷 1761-1767页

作者： Waleed Abou Samra tharwat Mokbel Mohammed Elwan Sameh Saleh ahmed Elwehidy Mohammed Iqbal Adel Ellayeh Department of Ophthalmology Faculty of Medicine Mansoura University Department of Ophthalmology Faculty of Medicine Sohag University

AIM： To assess the objective and subjective results of a two-stage procedure for management of keratoconus： clear lensectomy with aspherical intraocular lens（IOL） implantation followed by wave front-guided photorefractive keratotomy（WFG-PRK）.METHODS： This prospective interventional non-randomized study included patients aged 35 years old or more with grade I and II stable keratoconus, a clear visual axis, minimal corneal thickness（MCT） 420 μm or more and average keratometric reading（K） less than 54 diopter（D）. Refraction of all selected eyes should be-8.00 D sphere or more with less than-6.00 D cylinder and could be corrected two lines or more with spectacles or contact lenses. All studied eyes underwent a two-stage approach treatment： first refractive lens exchange and aspherical IOL implantation followed, after at least 3 mo, by WFGPRK. Pre and postoperative complete ophthalmological examination were performed. Topographical, visual and aberrometric results were recorded and evaluated during 6 mo follow up period. Moreover, patient satisfaction and other subjective outcomes were also ***： The 13 eyes of 11 patients diagnosed with stable keratoconus and aged from 39 to 49 y（42.4±6.2 y） were enrolled in the study. At baseline, 8 eyes had grade I and 5 eyes had grade II keratoconus. The manifest sphere was-10.3±4.2 D（ranged from-8.0 to-14.0 D） and the manifest cylinder was-4.2±1.2 D（ranged from-1.75 to-5.50 D）. After the two-stage procedure, sphere and cylinder reduced significantly to-0.43±0.22 D and-1.3±0.72 D respectively（P〈0.001）. There was also a highly significant improvement in the mean uncorrected distance visual acuity（UDVA） from logMAR 1.41±0.49 preoperatively to 0.51±0.16 postoperatively（P〈0.001） and the mean corrected distance visual acuity（CDVA） from 0.76±0.24 preoperatively to 0.49±0.13 after the operation（P〈0.001）. All aberrometric and mesopic vision parameters and most of the topographical indices demonstrated highly significant improveme

关键词： keratoconus clear lensectomy wave front guided photorefractive keratotomy

Trabeculectomy with Ologen implant versus perfluoropropane gas bubble for open angle glaucoma in pseudophakic eyes

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International Journal of Ophthalmology(English edition) 2021年第4期14卷 510-516页

作者： ahmed S Elwehidy tharwat Mokbel Hossam Youssef Abouelkheir Waleed Abou Samra Faried M Wagdy Amr Mohammed Elsayed Abdelkader Department of Ophthalmology Mansoura Ophthalmic CenterFaculty of MedicineMansoura UniversityMansoura 35516Egypt Department of Ophthalmology Faculty of MedicineMenofia UniversityShebin El Kom 32512Egypt

AIM:To evaluate the safety and efficacy of augmented trabeculotomy with Ologen versus perfluoropropane in management of pseudophakic ***:This is a comparative randomized study included 57 pseudophakic eyes of 57 patients with medically uncontrolled open angle glaucoma(OAG).Twentynine patients were allocated in group I(trabeculectomy with Ologen;trab-ologen group),while 28 patients were assigned in group II(trabeculectomy with perfluoropropane gas bubble;trab-C3 F8 gas bubble group).RESULTS:The intraocular pressure(IOP)was significantly reduced in both study groups at all postoperative follow up intervals(1 wk,3,6,12,18,24,30 and 36 mo,P<0.001).The differences between the mean IOP values of both groups remained statistically insignificance during the early 12 months of follow ***,the trab-ologen group achieved a statistically significant reduction over the trab-C3 F8 gas bubble group during the last 24 months of follow ***:Augmentation of trabeculectomy with either Ologen implant or perfluoropropane gas bubble are associated with strict long term IOP control and evident safety in medically-uncontrolled pseudophakic eyes with OAG.

关键词： pseudophakic glaucoma trabeculectomy with Ologen trabeculectomy with perfluoropropane Ologen perfluoropropane

An Ex-Press implant versus trabeculectomy in a fibrotic bleb with late failure after previous trabeculectomy

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International Journal of Ophthalmology(English edition) 2021年第3期14卷 383-387页

作者： Faried Wagdy tharwat H.Mokbel Hisham Elsorogy ahmed Alnagdy Dina Abd Elfattah Abd-Elmonem A.Elhesy Menofia University Hospital Menofia UniversityMenofia 32511Egypt Mansoura Ophthalmic Center Faculty of MedicineMansoura UniversityMansoura 35516Egypt

AIM: To compare the outcome of an Ex-Press implant and subscleral trabeculectomy(SST) in the management of glaucoma after previous trabeculectomy on a fibrotic ***: This randomized prospective study included 28 eyes from 28 patients(age range: 42-55 y) with primary open angle glaucoma(POAG) presented with elevated intraocular pressure(IOP) with fibrotic bleb despite previous SST for more than 4 mo. The eyes enrolled in the study were divided into two groups: group I(subjected to Ex-Press implant surgery) and group II [subjected to SST with mitomycin C(MMC)]. The follow-up continued one year after surgery to evaluate IOP, visual acuity(VA), visual field(VF), and postoperative complications. RESULTS: A significant decrease in IOP was found in both groups with a higher reduction in Ex-Press implant surgery with the mean IOP of 14.50 mm Hg(P=0.001), while the SST group recorded the mean IOP of 16.50 mm Hg(P=0.001) after one year. However, the difference between the two groups in terms of the decrease in IOP was insignificant. Fewer postoperative complications were recorded in the Ex-Press implant surgery and more cases requiring further anti-glaucomatous medications were seen in the SST group. Both groups showed stability in terms of VA and ***: Ex-Press implant surgery and SST with MMC are two surgical alternatives for controlling IOP in late failure that occurs more than 4 mo after previous SST with a fibrotic bleb. However, Ex-Press shunt is a safer surgery with fewer complications.

关键词： Ex-Press implant trabeculectomy glaucoma fibrotic bleb

Evaluation of Micro Leakage of Two Direct Esthetic Restorations with Different Preparation Techniques

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Open Journal of Stomatology 2017年第4期7卷 264-276页

作者： ahmed Mohammed El-Marakby Fuad Abdo Al-Sabri ahmed tharwat Alammary ahmed Ata AbdAlghany Department of Restorative Dental Sciences AL-Farabi College Riyadh KSA Department of Operative Dentistry Faculty of Dentistry Al-Azhar University Assiute Branch Egypt Department of Operative Dentistry Faculty of Dentistry Thamar University Dhamar Yemen Operative Dentistry Department Faculty of Dental Medicine Al-Azhar University Assiute Branch Egypt

Objectives: In recent times, the term “minimal intervention dentistry” has coined to describe a new approach to the treatment of the disease of caries. This study was carried out to evaluate the marginal integrity of class V cavity in permanent posterior teeth prepared with different air abrasion parameters compared with classical rotary cavity preparation. Methods: A total number of 150 sound caries for free human posterior teeth were used in this study. Teeth were extracted for periodontal disease or orthodontic reasons and the average age of patients between 20 - 35 years. Teeth were divided according to the type of restoration into two main groups: Group I (n = 75) restored with low shrinkable posterior composite (P90) and Group II (n = 75) restored with Ketac nano ionomer (N100). Each main group was divided into five groups (n = 15), then each group was further subdivided into three subgroups (n = 5) according to the storage time (immediately, three months, and six months). All teeth would be tested at both occlusal and gingival margins of prepared class V cavity according to the method of cavity preparation. Results: A high significant difference was found in the mean ranks of micro-leakageat both occlusal enamel and gingival dentin walls among Groups 1 - 5 (p-value of Conclusion: Low shrinkable silorane based composite yielded better results of micro-leakage scores along the occlusal enamel and gingival dentin walls when the cavity of class V was prepared with air abrasion technique with large size alumina particles under high pressure at immediate storage time as compared with Ketac N100.

关键词： Air Abrasion Low Shrink Composite Nano Ionomer Micro Leakage

Intraoperative endoscopic retrograde cholangiopancreatography: A useful tool in the hands of the hepatobiliary surgeon

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World Journal of Gastroenterology 2015年第2期21卷 609-615页

作者： Ayman El Nakeeb Ahmad M Sultan Emad Hamdy Ehab El Hanafy Ehab Atef Tarek Salah ahmed A El Geidie tharwat Kandil Mohamed El Shobari Gamal El Ebidy Gastroenterology surgical center Mansoura UniversityDaqahlia 35516Egypt

AIM: To evaluate the efficacy of intraoperative endoscopic retrograde cholangio-pancreatography(ERCP) combined with laparoscopic cholecystectomy(LC) forpatients with gall bladder stones(GS) and common bile duct stones(CBDS).METHODS: Patients treated for GS with CBDS were included. LC and intraoperative transcystic cholangiogram(TCC) were performed in most of the cases. Intraoperative ERCP was done for cases with proven ***: Eighty patients who had GS with CBDS were included. LC was successful in all cases. Intraoperative TCC revealed passed CBD stones in 4 cases so intraoperative ERCP was performed only in 76 patients. Intraoperative ERCP showed dilated CBD with stones in 64 cases(84.2%) where removal of stones were successful; passed stones in 6 cases(7.9%); short lower end stricture with small stones present in two cases(2.6%) which were treated by removal of stones with stent insertion; long stricture lower 1/3 CBD in one case(1.3%) which was treated by open hepaticojejunostomy; and one case(1.3%) was proved to be ampullary carcinoma and whipple's operation was scheduled. CONCLUSION: The hepatobiliary surgeon should be trained on ERCP as the third hand to expand his field of therapeutic options.

关键词： Obstructive jaundice Endoscopic retrograde cholang