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  1. Article ; Online: Investigation of the diagnostic importance and accuracy of CT in the chest compared to the RT-PCR test for suspected COVID-19 patients in Jordan.

    Alewaidat, Haytham / Bataineh, Ziad / Bani-Ahmad, Mohammad / Alali, Manar / Almakhadmeh, Ali

    F1000Research

    2023  Volume 12, Page(s) 741

    Abstract: This article aims to synthesize the existing literature on the implementation of public policies to incentivize the development of treatments for rare diseases, (diseases with very low prevalence and therefore with low commercial interest) otherwise ... ...

    Abstract This article aims to synthesize the existing literature on the implementation of public policies to incentivize the development of treatments for rare diseases, (diseases with very low prevalence and therefore with low commercial interest) otherwise known as orphan drugs. The implementation of these incentives in the United States (US), Japan, and in the European Union (EU) seems to be related to a substantial increase in treatments for these diseases, and has influenced the way the pharmaceutical research & development (R&D) system operates beyond this policy area. Despite the success of the Orphan Drug model, the academic literature also highlights the negative implications that these public policies have on affordability and access to orphan drugs, as well as on the prioritization of certain disease rare areas over others. The synthesis focuses mostly on the United States' Orphan Drug Act (ODA) as a model for subsequent policies in other regions and countries. It starts with a historical overview of the creation of the term "rare diseases", continues with a summary of the evidence available on the US ODA's positive and negative impacts, and provides a summary of the different proposals to reform these incentives in light of the negative outcomes described. Finally, it describes some key aspects of the Japanese and European policies, as well as some of the challenges captured in the literature related to their impact in Low- and Middle-Income Countries (LMICs).
    MeSH term(s) Humans ; COVID-19/diagnosis ; COVID-19 Testing ; Jordan ; Orphan Drug Production ; Rare Diseases ; Reverse Transcriptase Polymerase Chain Reaction ; Tomography, X-Ray Computed ; United States
    Language English
    Publishing date 2023-11-13
    Publishing country England
    Document type Journal Article ; Review
    ZDB-ID 2699932-8
    ISSN 2046-1402 ; 2046-1402
    ISSN (online) 2046-1402
    ISSN 2046-1402
    DOI 10.12688/f1000research.130388.2
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Diagnostic reference levels for paediatric CT in Jordan.

    Rawashdeh, Mohammad / Abdelrahman, Mostafa / Zaitoun, Maha / Saade, Charbel / Alewaidat, Haytham / McEntee, Mark F

    Journal of radiological protection : official journal of the Society for Radiological Protection

    2019  Volume 39, Issue 4, Page(s) 1060–1073

    Abstract: This study aimed to investigate the current status of Diagnostic Reference Levels (DRLs) in paediatric CT across Jordan. The dose data for four main CT examinations (brain, chest, abdominopelvic, and chest, abdomen and pelvis (CAP)) in hospitals and ... ...

    Abstract This study aimed to investigate the current status of Diagnostic Reference Levels (DRLs) in paediatric CT across Jordan. The dose data for four main CT examinations (brain, chest, abdominopelvic, and chest, abdomen and pelvis (CAP)) in hospitals and imaging centres (n = 4) were measured. The volume CT dose index (CTDI
    Language English
    Publishing date 2019-08-28
    Publishing country England
    Document type Journal Article
    ZDB-ID 639411-5
    ISSN 1361-6498 ; 0952-4746
    ISSN (online) 1361-6498
    ISSN 0952-4746
    DOI 10.1088/1361-6498/ab3ee2
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Medical Radiation Knowledge among Patients in Local Hospitals.

    Alhasan, Mustafa / Abdelrahman, Mostafa / Alewaidat, Haytham / Khader, Yousef

    Journal of medical imaging and radiation sciences

    2015  Volume 46, Issue 1, Page(s) 45–49

    Abstract: Objective: Evaluation of patient knowledge regarding radiation and its associated risks can identify knowledge gaps, providing an opportunity to increase patient awareness and understanding of medical radiation. The aims of this study were to evaluate ... ...

    Abstract Objective: Evaluation of patient knowledge regarding radiation and its associated risks can identify knowledge gaps, providing an opportunity to increase patient awareness and understanding of medical radiation. The aims of this study were to evaluate the awareness level of patients regarding medical radiation types used in medical diagnostic imaging and to correlate them with the availability of radiation information provided upon examination.
    Methods: A qualified radiographer distributed a multiple choice questionnaire in four major Jordanian hospitals, including three governmental hospitals and one university hospital. The questionnaire included demographic and radiation awareness sections. The sample included 400 patients who were undergoing routine x-ray imaging, computed tomography, fluoroscopy, magnetic resonance imaging, ultrasound, or nuclear medicine.
    Results: Less than 50% of the participants had received information on radiation awareness upon examination. The average scores of the radiation awareness questionnaire ranged from 56% to 70%. There was a significant correlation (r = 1.00, P < .05) between those who were provided radiation information upon examination and the radiation awareness questions score.
    Conclusions: Most of the patients did not receive the radiation awareness information upon examination, which reflected the low level of general radiation knowledge in most hospitals. Patient education and awareness should be improved to reduce unnecessary exposure from medical imaging examinations.
    Language English
    Publishing date 2015-01-19
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2426513-5
    ISSN 1876-7982 ; 1939-8654
    ISSN (online) 1876-7982
    ISSN 1939-8654
    DOI 10.1016/j.jmir.2014.09.002
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article: Mammographic Breast Density Profile of Jordanian Women With Normal and Breast Cancer Findings.

    Al-Mousa, Dana S / Alakhras, Maram / Spuur, Kelly M / Alewaidat, Haytham / Rawashdeh, Mohammad / Abdelrahman, Mostafa / Brennan, Patrick C

    Breast cancer : basic and clinical research

    2020  Volume 14, Page(s) 1178223420921381

    Abstract: Purpose: To document the mammographic breast density (MBD) distribution of Jordanian women and the relationship with MBD with age. Correlation between breast cancer diagnosis and density was also explored.: Methods: A retrospective review of 660 ... ...

    Abstract Purpose: To document the mammographic breast density (MBD) distribution of Jordanian women and the relationship with MBD with age. Correlation between breast cancer diagnosis and density was also explored.
    Methods: A retrospective review of 660 screening mammograms from King Abdullah University Hospital was conducted. Mammograms were classified into 2 groups: normal (return to routine screening) and breast cancer and rated using the American College of Radiology (ACR) Breast Imaging-Reporting and Data System (BI-RADS) 5th edition for MBD. The association between MBD and age was assessed by descriptive analyses and Kruskal-Wallis test. To compare between normal and breast cancer groups, chi-square post hoc tests with Bonferroni adjustment was used.
    Results: Groups consisted of 73.9% (n = 488) normal group and 26.1% (n = 172) breast cancer group. A significant inverse relationship was demonstrated between age and MBD among the normal (
    Conclusions: Most of women in both the normal and breast cancer groups evidenced increased MBD. Increased MBD was inversely proportional to age. As MBD has a known link to increased breast cancer risk and the decreased sensitivity of mammography and it is vital that future screening guidelines for Jordanian women consider the unique breast density distribution of this population.
    Language English
    Publishing date 2020-05-18
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2423804-1
    ISSN 1178-2234
    ISSN 1178-2234
    DOI 10.1177/1178223420921381
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: The implications of increased mammographic breast density for breast screening in Jordan.

    Al-Mousa, Dana S / Alakhras, Maram / Spuur, Kelly M / Alewaidat, Haytham / Abdelrahman, Mostafa / Rawashdeh, Mohammad / Brennan, Patrick C

    Journal of medical radiation sciences

    2020  Volume 67, Issue 4, Page(s) 277–283

    Abstract: Introduction: Mammographic breast density is associated with a four to six times increased risk for breast cancer. Mammographic breast density varies by ethnicity, geographical region and age. The aim of this study was to document for the first time the ...

    Abstract Introduction: Mammographic breast density is associated with a four to six times increased risk for breast cancer. Mammographic breast density varies by ethnicity, geographical region and age. The aim of this study was to document for the first time the mammographic breast density of Jordanian women and to explore its relationship with age.
    Methods: Mammograms completed at King Abdullah University Hospital (Irbid, Jordan) between January 2016 and August 2018 were retrospectively reviewed and classified for breast density using the American College of Radiology (ACR) Breast Imaging-Reporting and Data System (BI-RADS). Descriptive analyses and Kurskal-Wallis test were used to examine the association between age and mammographic breast density.
    Results: A total of 659 mammograms were reviewed. A significant inverse relationship was observed between age and breast density (P < 0.001). In women aged 40-49 years, 83.2% had dense breasts (ACR BI-RADS (c) and (d)). This percentage decreased to 59.8% of women aged 50-59 years; 38.4% of women in their 60s and 37.9% of women aged 70 years or older (ACR BI-RADS (c) only).
    Conclusion: The mammographic breast density of Jordanian women has been shown to be high across all age groups. Increased mammographic breast density is associated with increased breast cancer risk and renders mammography a less effective technique for the early detection of breast cancer. Breast cancer screening of Jordanian women should be individualised to develop screening protocols and include additional adjunct imaging to best manage women at high risk.
    MeSH term(s) Adult ; Aged ; Breast Density ; Breast Neoplasms/diagnostic imaging ; Female ; Humans ; Jordan ; Mammography ; Mass Screening ; Middle Aged
    Language English
    Publishing date 2020-06-23
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2734841-6
    ISSN 2051-3909 ; 2051-3909
    ISSN (online) 2051-3909
    ISSN 2051-3909
    DOI 10.1002/jmrs.414
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Establishment of diagnostic reference levels in cardiac computed tomography.

    Rawashdeh, Mohammad / Saade, Charbel / Zaitoun, Maha / Abdelrahman, Mostafa / Brennan, Patrick / Alewaidat, Haytham / McEntee, Mark F

    Journal of applied clinical medical physics

    2019  Volume 20, Issue 10, Page(s) 181–186

    Abstract: The aim of this study was to determine diagnostic reference levels (DRLs) for cardiac computed tomography (CCT) in Jordan. Volume computed tomography dose index ( ... ...

    Abstract The aim of this study was to determine diagnostic reference levels (DRLs) for cardiac computed tomography (CCT) in Jordan. Volume computed tomography dose index (CTDI
    MeSH term(s) Adult ; Algorithms ; Cardiac-Gated Imaging Techniques/standards ; Computed Tomography Angiography/standards ; Female ; Hospitals ; Humans ; Image Processing, Computer-Assisted/methods ; Jordan ; Male ; Middle Aged ; Phantoms, Imaging ; Prognosis ; Prospective Studies ; Quality Assurance, Health Care/standards ; Radiation Dosage ; Radiography, Thoracic/standards ; Reference Standards ; Retrospective Studies ; Tomography, X-Ray Computed/standards
    Language English
    Publishing date 2019-08-30
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2010347-5
    ISSN 1526-9914 ; 1526-9914
    ISSN (online) 1526-9914
    ISSN 1526-9914
    DOI 10.1002/acm2.12711
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Work-related Stress, Musculoskeletal Disorder Complaints, and Stress Symptoms among Radiographers in the Northern Part of Jordan.

    Alhasan, Mustafa / Abdelrahman, Mostafa / Alewaidat, Haytham / Almhdawi, Khader / Nazzal, Mohammad

    Journal of medical imaging and radiation sciences

    2014  Volume 45, Issue 3, Page(s) 291–298

    Abstract: Objective: The aims of this study were to report the variation in work-related stressor (WRS) and musculoskeletal disorder (MSD) complaints across three major hospitals in the northern part of Jordan and to examine the correlations between stressors, ... ...

    Abstract Objective: The aims of this study were to report the variation in work-related stressor (WRS) and musculoskeletal disorder (MSD) complaints across three major hospitals in the northern part of Jordan and to examine the correlations between stressors, MSD complaints, and stress symptoms using a questionnaire.
    Methods: A qualified radiographer distributed a questionnaire in the radiology department at three hospitals, including a governmental public hospital (GH), a university educational hospital (UH), and a private hospital (PH). The questionnaire included demographic, WRS, management and responsibility stressors, stress symptoms, stress relievers, and MSD complaints sections. A total of 74 radiographers (GH = 28, UH = 29, PH = 17) agreed to participate after signing a consent form.
    Results: The average age ranged from 30.8 ± 3.3 to 33.6 ± 1.4 (P = .6), and the average experience ranged from 6.2 ± 2.5 to 8 ± 1.2 years (P = .7) in the hospitals. The number of men was higher than women only in the UH (ratio = 2.6). The number of diploma degree holders was higher than the number of bachelor's degree holders only in the GH (ratio = 3). Stress symptoms such as depression and MSD complaints such as low back pain in the GH were significantly higher than the other hospitals. There was a significant correlation (Spearman correlation coefficient = 0.61, P = .04) between WRS and MSD complaints.
    Conclusion: The GH had more MSD complaints and stress symptoms than the other hospitals. WRSs were correlated significantly with MSD complaints. Encouraging the radiographers to attend work stress management sessions may help in reducing the level of stress.
    Language English
    Publishing date 2014-06-07
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2426513-5
    ISSN 1876-7982 ; 1939-8654
    ISSN (online) 1876-7982
    ISSN 1939-8654
    DOI 10.1016/j.jmir.2014.04.002
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Knowledge and practice of computed tomography exposure parameters amongst radiographers in Jordan.

    Rawashdeh, Mohammad / McEntee, Mark F / Zaitoun, Maha / Abdelrahman, Mostafa / Brennan, Patrick / Alewaidat, Haytham / Lewis, Sarah / Saade, Charbel

    Computers in biology and medicine

    2018  Volume 102, Page(s) 132–137

    Abstract: Objective: To investigate the knowledge and practice of computed tomography (CT) radiographers working in Jordan.: Materials and methods: This Institutional Review Board (IRB) approved study disseminated a questionnaire via social media and recruited ...

    Abstract Objective: To investigate the knowledge and practice of computed tomography (CT) radiographers working in Jordan.
    Materials and methods: This Institutional Review Board (IRB) approved study disseminated a questionnaire via social media and recruited 54 Jordanian CT radiographers. The questionnaire comprised 36 questions divided into four sections: demographics; an evaluation of knowledge regarding CT exposure; modifications to CT exposure for paediatric patients; dose units and diagnostic reference levels (DRLs). Descriptive and inferential statistics including Chi-square tests, Mann-Whitney U tests, independent samples t-tests and Kruskal-Wallis H tests were employed. Statistical significance was considered below p < 0.05.
    Results: The 54 participants had various qualifications, with the majority holding a Bachelor's degree (n = 35, 64.8%) and the rest holding a Diploma (n = 19, 35.2%). In order to pass the questionnaire, participants needed to score 13 correct answers. The overall number of radiographers who correctly passed the questionnaire was 48 (88.9%). None of the participants correctly stated all the DRL values for chest, abdomen and brain CT. However, four out of 54 respondents (7.4%) knew the chest DRL value, three (5.6%) participants correctly estimated the abdominal DRL value but only two (3.7%) knew the DRL for the brain.
    Conclusion: Good general knowledge was found amongst radiographers regarding the relationship of each exposure parameter to the image quality and patient dose. However, there was poor knowledge of diagnostic reference levels and the order of the organ radiation sensitivity. The need for CT radiographers to undertake further education that focuses on radiation exposure in CT is highlighted.
    MeSH term(s) Algorithms ; Child ; Education, Continuing ; Female ; Humans ; Infant ; Inservice Training ; Internet ; Jordan ; Male ; Pediatrics ; Professional Competence ; Radiation Dosage ; Radiation Exposure/prevention & control ; Reproducibility of Results ; Social Media ; Surveys and Questionnaires ; Tomography, X-Ray Computed/adverse effects ; Tomography, X-Ray Computed/standards
    Language English
    Publishing date 2018-09-26
    Publishing country United States
    Document type Journal Article
    ZDB-ID 127557-4
    ISSN 1879-0534 ; 0010-4825
    ISSN (online) 1879-0534
    ISSN 0010-4825
    DOI 10.1016/j.compbiomed.2018.09.020
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Compliance With Radiation Protection Practices Among Radiologists.

    Abdelrahman, Mostafa A / Abu Alfwares, Ahmad / Alewaidat, Haytham / Alhasan, Mustafa / Rawashdeh, Mohammad A / Al Mousa, Dana S

    Health physics

    2018  Volume 115, Issue 3, Page(s) 338–343

    Abstract: Background: Radiologists are at higher risk of adverse health effects due to their occupational radiation exposure; therefore, applying protection techniques is imperative. Studies on radiologists' compliance in this regard are scarce. We aimed to ... ...

    Abstract Background: Radiologists are at higher risk of adverse health effects due to their occupational radiation exposure; therefore, applying protection techniques is imperative. Studies on radiologists' compliance in this regard are scarce. We aimed to assess compliance with radiation safety practices among radiologists.
    Methods: Questionnaires were distributed to radiologists in tertiary hospitals. The questionnaire was designed to assess compliance in three domains: using personal protective devices, using exposure-reduction techniques during fluoroscopic exposures, and using personal dose-monitoring devices. Descriptive analysis of the compliance was performed.
    Results: Sixty-two radiologists were included in the analysis. Use of leaded aprons and thyroid shields was commonplace, whereas only 3.2% ever use leaded eyeglasses. About half of the radiologists always considered reducing the time of exposure and avoided exposure by the primary beam, and the other half did that sometimes. Most of the radiologists (66.1%) always complied with reducing the number of unnecessary exposures, and the rest only complied sometimes. Most of the radiologists (93.5%) always used single personal dose-monitoring devices, most commonly at the neck level over the collar. There was no difference in compliance between different sexes, position descriptions, hospital types, hospital sizes, or years of experience.
    Conclusion: Future compliance improvement strategies for radiologists should focus on use of thyroid shields and leaded eyeglasses and use of exposure-reduction techniques during fluoroscopic operations.
    MeSH term(s) Adult ; Female ; Guideline Adherence/statistics & numerical data ; Humans ; Male ; Middle Aged ; Occupational Exposure/prevention & control ; Radiation Protection ; Radiologists/statistics & numerical data ; Safety ; Surveys and Questionnaires
    Language English
    Publishing date 2018-07-25
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2406-5
    ISSN 1538-5159 ; 0017-9078
    ISSN (online) 1538-5159
    ISSN 0017-9078
    DOI 10.1097/HP.0000000000000886
    Database MEDical Literature Analysis and Retrieval System OnLINE

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