An audit of cervical spine imaging in alert and stable trauma patients Accident and Emergency Department, Whittington Hospital, London January 2007 Yenzhi.

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Presentation transcript:

An audit of cervical spine imaging in alert and stable trauma patients Accident and Emergency Department, Whittington Hospital, London January 2007 Yenzhi Tang, Marianna Thomas, Mike Spiro Foundation Year 2 Doctors in Emergency Medicine

Aim To compare assessment and C spine radiography in alert stable patients with head/neck trauma presenting to Whittington Hospital Emergency Department, to Canadian C spine rules for radiography

Current Practice No guidelines on the Whittington intranet No NICE guidelines No current proforma/standard for assessing pts at risk of C spine fracture

Standard Target level 100%

Canadian C spine rules

Background Canadian C spine rule developed from a prospective cohort of alert, stable patients with head/neck trauma. Pts from 10 Canadian EDs between (n=8924) Developed in response to wide variation in indications for requesting C spine x rays

Background Prospectively validated in a large multicentre trial (n=7017) 99.3% sensitivity (95% CI ) Specificity 45.1% Shown to be superior to NEXUS by prospective study by Stiell

Audit Population Adults presenting to ED with blunt trauma to head/neck, stable vital signs, GCS 15

Audit Exclusions Known vertebral disease Pregnant women <16 >48 h after injury Penetrating trauma Acute paralysis

High risk group >65 Paraesthesia in extremities Dangerous mechanism Fall from >1 metre or stairs Axial load to head MVC at high speed >62mph Motorized recreational vehicles Bicycle collisions

Low Risk Group Should have C spine ROM assessed if walking, sitting, nil c spine tenderness, nil paraesthesia If less than 45 degrees rotation to each side then X ray If full ROM then no radiography

Method Retrospective audit Pts selected from a 3 week period Case note analysis EDIS used to identify pts triaged with neck pain/head injury/neck strain/ RTA

Results 36 pts over 3 weeks 5 excluded 4 not meeting criteria 1 set of notes not found

Results In the high risk group (total 8) 5 had x rays No fractures imaged in all 5 x rays None of the X rays were adequate views, none had C1 – T1. None were repeated or had subsequent CT spine

Results Low Risk group One pt had x ray No fractures Difficult to interpret ED performance b/c of lack of documentation

Conclusions Poor documentation 9/22 in low risk group did not document ROM Poor knowledge and application of C spine rules 3/10 ED doctors have heard of C spine rules 1/10 have used it 1/10 know the algorithm

Conclusions Radiographers need to be informed of their inadequate views -can present findings to radiographers SHO competent in interpreting c spine x rays Rules open to interpretation: low risk criteria?

PLAN Present findings to ED doctors, emphasize need for better documentation Put algorithm in majors and minors desk Incorporate rules into Whittington ED head proforma Re audit in 3-6 months

References Stiell IG, Wells GA, Vandemheen KL, Clement CM, Lesiuk H, De Maio VJ, et al. The Canadian C-spine rule for radiography in alert and stable trauma patients. JAMA. 2001;286:1841 – Stiell et al Acad Emerg Med 2002 Volume 9, Number Hoffman et al Ann Emerg Med 1992; 21 (12): Stiell et al NEJM Vol 349: (2003)