Background: Emergency departments in South African public hospitals have a high patient load after hours, with inadequate numbers of health care professionals available to satisfy patient influx. In addition, there is often no provision of after-hours diagnostic reporting services in public hospitals, to an extent that the emergency physician is responsible for interpreting all radiographic images requested themseves. Emergency physicians, in this study, can be described as any medical doctor registered with the Health Professions Council of South Africa and working in the emergency department as a registrar or consultant physician because there were no physicians specialized in emergency medicine working at the hospitals selected for this study. Aim: The aim of this study was to determine the views of emergency physicians on whether there is a need for an after-hours diagnostic radiological reporting service in selected public hospitals in KwaZulu-Natal Province, South Africa. Methods: A descriptive cross-sectional quantitative research design was utilized, through means of a survey, to assess the emergency physicians' perceptions regarding the need for after-hours diagnostic radiological reporting. In addition, the study used a descriptive quantitative research design to record the number of conventional diagnostic radiographic examinations performed at the selected hospitals, after hours, and the proportional number of these radiographic examinations that were reported on by radiologists during office hours, the following day. The distribution of questionnaires and data collection, with regard to the number of examinations reported on, and those not reported on, were carried out simultaneously during the execution of this study. The study was conducted over a three-month period in 2017, at four public hospitals in KwaZulu-Nataldone of the nine provinces of South Africa. Results: This study found that, during the study period, between 0.1% and 0.6% of the conventional diagnostic radiographic examinations performed, after hours, were reported on by radiologists during office hours, the following day. The surveyed emergency physicians felt that the interpretation of diagnostic images took up valuable time that could be spent on patient management, and there was near-total agreement, whereby 92% (n ¼ 36) of the physicians would have preferred after-hours reporting to be performed by a radiologist. Physicians agreed that having a radiologist or reporting radiographer to provide radiological reports would allow for more effective and efficient patient management. Conclusion: The results of this study indicated that there is a need for after-hours radiographic reporting at the selected public hospitals and for the further training of emergency physicians in radiographic image interpretation. Based on the findings of this study, it is recommended that after-hours radiological reporting services be considered for public hospitals and that courses be offered to emergency physicians on the interpretation of diagnostic Co...
INTRODUCTION: Identification of dental implant types can be a complex process for inexperienced health care professionals. Dental implants can have subtle differences in their morphology, which make it difficult to distinguish them from one another The unique appearance of dental anatomy and the placement of custom restorations ensure accurate identification of bodies or human remains when radiographic techniques are correctly applied. AIMS AND OBJECTIVES: To develop a radiographic dental implant guide for ten common dental implant types currently used in the Western Cape, South Africa; using their morphological characteristics observed on pantomographs. DESIGN: The methodology considered for this research study was a positivist approach through a quantitative, exploratory, non-experimental research design. METHODS: Ten commonly used dental implants were radiographed at straight tube (ST), off-centre (OC) and severe off-centre (SOC) angles to create a reference instrument Two reviewers used the morphologies of the different dental implant types, namely the apex, thread and neck, observed on ante-mortem pantomographs, and compared it to the appearance of the dental implants in the reference instrument to make a positive identification match. The straight tube image of all ten dental implant types in the reference instrument was used as the initial point of reference to positively identify the morphological characteristics of each dental implant type on the pantomographs. RESULTS: A total of 380 dental implants could be identified on 105 pantomographs reviewed. Of the 380 dental implants, 350 dental implants (91%) were identified as dental implant types listed in the reference instrument while 30 dental implants were identified as another type of dental implant type not listed in the reference instrument A total of 208 dental implants (54.2%) could be positively identified on the ante-mortem pantomographs using the straight tube images in the reference instrument. The morphological characteristics of the dental implant types were described using x-ray imaging of dental implants. The ten commonly used dental implants types could be positively identified by two independent reviewers and based on this a radiographic dental implant guide was developed. CONCLUSION: Each dental implant type had unique morphological characteristics as well as similarities which enabled distinction between the different dental implant types. The dental implant guide developed could be used by dentistry and radiography students. The dental implant guide may be useful in the field of forensic dentistry and forensic radiology.
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