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تاثير جرعة العلاج الاشعاعي المستطارة على سمك نسيج الثدي المقابل في مرضى سرطان الثدي Effect Of 3DCRT Radiotherapy Scattered Dose on The Contralateral Breast Tissue Thickness In Breast Cancer Patients

اسم المؤلف: الاء حيدر عدنان

الجامعة: الجامعة المستنصرية

اسم المشرف: نبا عبد اللطيف رشيد ناجي

الموضوع العام: الطب

الموضوع الدقيق: الفيزياء الطبية

الدرجة: ماجستير

اللغة: الانكليزية

السنة: 2022

مكان الجامعة: بغداد

الصفحات الاولى:

تغير عتبة السمع في المرضى المصابين بكوفيد 19 hearing threshold shift in patient inficted with covid19

المصادر:

اسم المؤلف: دينا جلال مهدي

الجامعة: الجامعة المستنصرية

الملخص:

اسم المشرف: فزع شلال ندى ايهاب طه ياسين

الموضوع العام: الطب

الموضوع الدقيق: الفيزياء الطبية

الدرجة: ماجستير

اللغة: الانكليزية

السنة: 2022

مكان الجامعة: بغداد

المستخلص: Background : Since loss of taste and smell is the most obvious symptoms of COVID - 19 infection , this indicates that SARS CoV - 2 affects sensory neurons . As a result , it is thought that the virus itself would harm other senses , such as hearing . Unlike taste and smell , which do not require measuring instruments because they are very clear indicators , the assessment of auditory status initially requires knowledge of hearing thresholds ( sound intensity ) in the audible speech frequencies ranges , which is the pure audiometry ( PTA ) handles . Keywords : Covid - 19 , Hearing loss , sensorineural hearing loss , Sound , Hearing . Objective : Evaluate the hearing threshold shift in patients infected with COVID - 19.Identify the frequency , epidemiology , and severity of sensorineural hearing loss among those patients in comparison to non infected patients . Methods and patients : The study included 50 patients infected with COVID - 19 ( ages 19-45 years ) , 21 males and 29 females , with a mean age of 31.7 ± 7.8 years and 50 patients ( ages 16 to 45 years ) 19 males and 31 females . With a mean age of 32.1 ± 9.1 , they were referred to the ENT clinic / Yarmouk Teaching Hospital / Baghdad from May 2022 until August 2022 . All participants were informed of the purpose of the study and potential benefits before agreeing to participate . All participants were examined by otoscope and tympanometry to ensure there was no excess wax , which causes hearing impairment and to check for problems in the middle ear , ear canal and eardrum and then a PTA test was performed Results : The results of this study included patient characteristics , the results of pure audiometry ( PTA ) in decibels between the left ear and the right ear of patients with the emerging corona virus , and the control group . There is no significant difference in age between the covid 19 group and the control group . We found 15 patients in the covid 19 group with sudden sensorineural hearing loss , while in the control group we found 26 patients with sudden sensorineural hearing loss . There is a significant difference between sudden hearing loss in covid 19 and the control group . Conclusions : It was discovered in this case - control study that there is a gradual elevation of hearing thresholds above normal range towards the higher frequencies especially 2000 , 4000 , 8000 Hz in both ears , and severity of hearing loss was most in 25-40dB ( Mild severity ) . It can be said that there is mild effect of COVID - 19 on hearing efficiency compared with control group .

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