Browsing by Author "Beningfield, Steve"

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    A Straight Left Heart Border: A New Radiological Sign of a Hemopericardium
    (2014) Nicol, Andrew John; Navsaria, Pradeep Harkison; Beningfield, Steve; Kahn, Delawir
    Background: Detection of a cardiac injury in a stable patient after a penetrating chest injury can be difficult. Ultrasound of the pericardial sac may be associated with a false negative result in the presence of a hemothorax. A filling in of the left heart border inferior to the pulmonary artery, called the straight left heart border (SLHB), is a radiological sign on chest X-ray that we have found to be associated with the finding of a hemopericardium at surgery. The aim of the present study was to determine if this was a reliable and reproducible sign. Methods: This was a prospective study of patients with a penetrating chest injury admitted between 1 October 2001 and 28 February 2009, who had no indication for immediate surgery, and were taken to the operating room for creation of a subxiphoid pericardial window (SPW). The chest X-ray was reviewed by a single trauma surgeon prior to surgery. Results: A total of 162 patients with a possible occult cardiac injury underwent creation of a SPW. Fifty-five of the 162 patients (34 %) were noted to have a SLHB on chest X-ray and a hemopericardium confirmed at SPW. The sensitivity of the SLHB sign was 40 %; specificity, 84 %; and positive predictive value, 89 %. (p = 0.005, Odds ratio 3.48, lower 1.41, upper 8.62). Conclusions: The straight left heart border is a newly described radiological sign that was highly significant in predicting the presence of a hemopericardium and should alert the clinician to a possible occult cardiac injury.
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    Evaluation of self-reported confidence amongst radiology staff in initiating basic life support across hospitals in the Cape Town Metropole West region
    (2018) Vorster, Isak Dawid; Beningfield, Steve; Bruijns, Stevan
    Introduction: The immediate response to a cardiac arrest is regarded as one of the most time-critical interventions in clinical medicine. First responders for cardiac arrest in imaging departments are often radiology staff. The study aim was to determine radiology staff-members' confidence in initiating basic life support. Methods: A multi-centre, cross-sectional survey was conducted using peer-validated, anonymous questionnaires. Confidences were recorded using a 10-point Likert scale for recognising cardiac arrest, securing an airway, providing rescue breaths and initiating cardiac compressions. Questionnaires were distributed to and completed by radiology staff working in public sector hospitals within the Cape Town Metropole West. Due to the limited subject pool a convenience sample was collected (with no power calculation). Data were therefore statistically analysed using only summary statistics (mean, standard deviation (SD), proportions, etc.). Detailed between group comparisons were not made, given the sample size and type. Results: We disseminated 200 questionnaires, of which 74 were completed (37%). There were no incomplete questionnaires or exclusions from the final sample. Using the Likert scale, the mean ability to recognise cardiac arrest was 6.45 (SD±2.7), securing an airway 4.86 (SD±2.9), and providing rescue breaths and initiating cardiac compressions 6.14 (SD±2.9). Only 2 (2.7%) of the participants had completed a basic life support course in the past year, while 11 (14.8%) had never completed any basic life support course and 28 (37.8%) had never completed any type of life support or critical care course. Radiologists, radiology trainees and nurses had the greatest confidence in providing rescue breaths and initiating cardiac compressions from all the groups. Conclusion: The study demonstrates substantial lack of confidence in providing basic life support in a large part of the staff in Cape Town’s public hospital imaging departments. The participants indicated that regular training and improved support systems would increase confidence levels and improve skills.
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    Feasibility of using LODOX technology for mammography
    (2001) Lease, Alyson; Vaughan, Christopher Leonard (Kit); Beningfield, Steve
    Bibliography: leaves 94-99.
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    ISR Congress: Cape Town 2006
    (2006) Beningfield, Steve
    So the International Society of Radiology Congress blew through the Foreshore like the South-Easter – hopefully it went well for you? After the lead-up of years of preparation and planning, the actual event passed in a flash. What with the multiple tracks, many outstanding speakers, the generous exhibitor’s displays and catching up with the Diaspora, we were truly spoilt for choice. Speaking of which, it is really gratifying to see what top-quality exports the country’s graduates make – maybe too good!
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    The HPBASA inaugural meeting
    (2006) Beningfield, Steve
    From Friday 13th to Sunday 15th October this year, the inaugural meeting of the Hepato-Pancreatico-Biliary Association of South African (HPBASA) was held in the Sandton Convention Centre. Organised by Professor Martin Smith and Dr Jose Ramos on behalf of the founding committee, this meeting was decidedly not dominated by any group, but was rather specifically meant as a multidisciplinary gathering of those interested in liver and pancreatic disease. Radiology was represented by a number of our group, as were radiation oncologists, nuclear medicine physicians, surgeons, physicians, anaesthetists, the medical funders and the ultimate arbiters, the pathologists. Regrettably, one of the liver pathology pioneers, Professor Pauline Hall, was unable to be present.