Table 1

MEDLINE and Ovid search strategies

MEDLINE SEARCH STRATEGY#ARTICLES
1. Trauma exp ‘Craniocerebral Trauma’/ OR ‘Craniocerebral Trauma’.ti,ab. OR ‘head head injur$‘.ti,ab. OR ‘traumatic brain injur$‘.ti,ab. OR Fracture.ti,ab. OR Injur$.ti,ab. OR exp ‘Motor Vehicles’/ OR ‘motor vehicle collision’.ti,ab. OR ‘motor vehicle crash’.ti,ab. OR ‘Traffic accidents’.ti,ab. OR Spinal Cord Injuries/ OR Spinal Cord Injur$.ti,ab. OR Spinal cord trauma?.ti,ab. OR Trauma?.ti,ab. OR Wound$.ti,ab. OR exp ‘Wounds and Injuries’/ 1 433 746
2. Criteria to evaluate overuse
De-adopt$.ti,ab. OR Decommission$.ti,ab. OR de-commission$.ti,ab. OR Deimplent$.ti,ab. OR De-list$.ti,ab. OR Disinvest$.ti,ab. OR dis-invest$.ti,ab. OR Do-not-do.ti,ab. OR Harm$.ti,ab. OR ‘patient harm’/ OR Inappropriate$.ti,ab. OR Ineffective$.ti,ab. OR ‘low quality’.ti,ab. OR ‘low value’.ti,ab. OR Misuse.ti,ab. OR ‘Health Services Misuse’/ OR (overuse$.ti,ab. not ‘overuse injury’.ti,ab.) OR ‘medical overuse’/ OR ‘poor quality’.ti,ab. OR ‘practice reversal’.ti,ab. OR ‘medical reversal’.ti,ab. OR Unnecessary.ti,ab. OR ‘Unnecessary Procedures’/ OR Unneeded.ti,ab. OR Wasteful.ti,ab.
328 122
3. Human animals only
Animals/ NOT humans/ 4 303 731
4. Years
(‘2006’ or ‘2007’ or ‘2008’ or ‘2009’ or ‘2010’ or ‘2011’ or ‘2012’ or ‘2013’ or ‘2014’ or ‘2015’ or ‘2016’).yr. 10061 541
Finalisation
5. (1 AND 2 AND 4) NOT 314 221
6. Limit 5 to English language13 230