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Evaluation and analysis of entrance surface air kerma of the thyroid gland during breast cancer screening mammography

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Radiation Medicine and Protection 2021年第2期2卷 67-71页

作者： Rajni verma Gourav Kumar Jain Arun Chougule Department of Radiological Physics SMS Medical College&HospitalsJaipur302004 India Department of Radiation Oncology Shalby Multi Speciality HospitalJaipur302021India

Objective:To evaluate and analyze entrance surface air kerma(ESAK)of the thyroid during mammographies performed in a breast cancer screening program.Methods:The ESAK was measured for the left and right lobes of the thyroid gland for 120 female subjects undergoing routine mammographic screenings.All measurements were single-handedly performed on the Hitachi Hologic LORAD M-IVTM screen-film mammography system.Radiation dose measurements were made using optically stimulated luminescent dosimeters(OSLD)nanoDot™taped appropriately to the skin overlying the right and left lobes of the thyroid gland.The standard technique of two craniocaudal(CC)views and two mediolateral oblique(MLO)views with appropriate compression was used during the screening.Results:The average ESAK was(287102)μGy.The value of radiation dose to the thyroid was estimated as 71.17μGy.Compresssed breast thichness(CBT)was found as key parameter influencing radiation dose to the thyroid gland during mammography.ESAK changed approximately two folds for the CBT range of 2–5 cm.Radiation dose to the thyroid gland was increased with higher body mass index(BMI).Conculsions:A proper compression of the breast is crucial for the mammographic examination.In addition to applied exposure factors for examination,breast compression is the principal and influencing factor that affects various other parameters used during mammographic examinations,which in turn impact radiation dose to the thyroid gland.

关键词： Mammography Radiation dose Thyroid Breast cancer Screening

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Implementation of safety and security standards for high dose rate brachytherapy sealed radioactive source used in a medical radiation facility

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Radiation Medicine and Protection 2020年第4期1卷 166-170页

作者： Rajni verma Gourav Kumar Jain Arun Chougule Department of Radiological Physics SMS Medical College&HospitalsJaipur302004India Department of Radiation Oncology Shalby Multi Speciality HospitalJaipur302021India

Objective:To provide guidance on basic concepts and elements for radiation safety and security measures for a HDR brachytherapy sealed radioactive source in a medical radiation facility.Methods:Brachytherapy sources are Category 2(High risk-very dangerous)radioactive source and Security Level B applied to cover the range of security measures needed for the associated risk with remote afterloading HDR brachytherapy sources.These security measures were applied based on a risk informed graded approach.A series of in-build and operational safety measures were implemented for equipment and radiation installation.Results:The medical radiation facility equipped with adequate radiation protection,detection and monitoring equipment such as survey meter,digital contamination monitor,gamma zone monitor,digital radiation monitor,personnel dosimeter,pocket dosimeter,long handled forceps,shielding material and emergency source storage container etc.to deal with radiological incidences.The contingency plan with security objectives for incidents and procedures for action was prepared in order to implement response function to fulfill the goal of adequate security of radioactive source.The emergency response plan documented against emergency scenarios during transport,loss of radioactive source,theft,sabotage,natural calamities/disasters such as fire,flood and earthquake.Conculsions:The paper provides various radiation safety and security aspects for the HDR brachytherapy.The HDR brachytherapy radioactive sources are Type A packages.Transport of radioactive material is the responsibility of consignors,consignee and carriers under the legislation,supervision and control of regulatory authority.

关键词： Radiation safety Brachytherapy Radioactive sources Medical radiation facility

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Medication adherence and quality of life among type-2 diabetes mellitus patients in India

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World Journal of Diabetes 2021年第10期12卷 1740-1749页

作者： Rakhi Mishra Suresh K Sharma Rajni verma Priyanka Kangra Preeti Dahiya Preeti Kumari Priya Sahu Priyanka Bhakar Reena Kumawat Ravinder Kaur Ravinder Kaur Ravi Kant College of Nursing All India Institute of Medical SciencesUttarakhand 249203RishikeshIndia Department of Medicine All India Institute of Medical SciencesUttarakhand 249203RishikeshIndia

BACKGROUND Diabetes mellitus(DM)is a progressively increasing metabolic disorder and a significant public health burden that demands immediate global attention.However,there is a paucity of data about adherence to antidiabetic drugs among patients with type-2(T2)DM in Uttarakhand,India.Outpatient research reported that more than 50%of patients do not adhere to the correct administration and appropriate medicine dosage.It has been reported that patients with chronic diseases who adhere to treatment may experience improvement in quality of life(QoL)and vice versa.AIM To assess the adherence to antidiabetic medication and QoL among patients with T2DM.METHODS This cross-sectional descriptive study was conducted at a tertiary care hospital in Uttarakhand,India.The Medication Adherence Rating Scale and World Health Organization QoL-BREF scale were used to assess medication adherence and QoL.RESULTS Two hundred seventy-seven patients suffering from T2DM participated in the study.Their mean age was 50.80(±10.6)years,155(56%)had a poor adherence level and 122(44%)had a good adherence level to antidiabetic medications.After adjusting for sociodemographic factors,multiple linear regression analysis found patients who were adherent to antidiabetic medications had significantly higher mean overall perception of QoL and overall perception of health,with beta scores of 0.36 and 0.34,respectively(both P=0.000)points compared with nonadherent patients.CONCLUSION There was an association between medication adherence and QoL in patients with T2DM.Hence,there is a need to plan awareness and counseling programs followed by regular follow-up to motivate patient adherence to recommended treatment and lifestyle regimens.

关键词： Medication adherence Quality of life Diabetes mellitus Tertiary care hospital India

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