IMMEDIATE WHOLE BODY CT WITH TRAUMA IN THE ED. What and when to scan in Trauma Highly debated issue of our use of radiology in ED regarding trauma ?At.

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Presentation transcript:

IMMEDIATE WHOLE BODY CT WITH TRAUMA IN THE ED

What and when to scan in Trauma Highly debated issue of our use of radiology in ED regarding trauma ?At what point should the scan occur

Royal College Radiology document 2011 ‘Standards of practice and guidance for trauma radiology in severely injured patients’ Indications for a polytrauma protocol MDCT Haemodynamic instabilty Mechanism of injury or presentation suggests that there may be occult severe injuries that cannot be excluded by clinical examination or plain films FAST (if used) has demonstrated intra-abdominal fluid If plain films suggest significant injury, such as pneumothorax, pelvic fractures Obvious severe injury on clinical assessment

Difficulties in interpretation of the guideline Clinicians vary in what they believe accounts for a mechanism that suggests ‘severe injuries that cannot be excluded by clinical examination on plain films’ For this reason units tend to develop their own guidelines for mechanism of injury requiring MDCT head to pelvis….

Mechanism of injury warranting head to pelvis scan at HEFT

Systematic Review Snapshot Section- goes someway towards Annals Emergency Medicine April 2014 Lead author Dr, Kaushal – Mt Sinai School of Medicine NewYork Entitled ‘Does Immediate Total-body CT reduce mortality and time in the ED for trauma patients

Aim of the paper ‘The advent of multi slice CT at the End of 90’s changed the approach to trauma patients in the ED setting, with some centers recently incorporating total body CT as part of their of their primary survey’ Also looked at the effect it has on the time spent in ED

The paper Systematic review of retrospective observational cohort studies Nearly 5,500 patients Just over 3,500 received selective imaging and nearly 2,000 received a whole body CT

The paper Included 4 retrospective cohort studies Primary finding was that the Odds Ratio of mortality was % CI( ) in favour of total body CT scanning, as in a clinically non significant finding

The paper All 4 studies showed a decrease in median time in the ED – 8-35 minutes (8 minutes in the study containing nearly 85% of the patients)

The paper 3 of the studies didn’t adjust for confounders between the immediate CT and delayed, therefore comparability of data cannot be vouched for

Weaknesses Retrospective cohort and obviously isn’t a prospective RCT, again creates problems with comparability of groups

What does this mean for future practice?? This systematic review doesn’t show a statistically significant benefit towards trauma patients being taken for immediate whole body CT, although it suggests a benefit in the form of a Odds Ratio of mortality of 0.9 Doesn’t take into account the longterm associated morbidity and mortality associated with increased radiation doses Current guidelines on what to scan from the RCR need to develop clear cut indications for trauma scans

References ma.pdf ma.pdf Ann Emerg Med Apr;63(4): doi: /j.annemergmed Epub 2013 Sep 14.