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Orthopaedic Proceedings
Vol. 91-B, Issue SUPP_II | Pages 209 - 209
1 May 2009
Talbot J Cox G Townend M Langham M Parker P
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Femoral neck stress fractures (FNSF) are uncommon, representing around 5% of all stress fractures. In military personnel, FNSF represents one of the severest complications of military training, which can result in medical discharge. Clinical examination findings are frequently non-specific and plain radiography may be inconclusive leading to missed or late diagnosis of FNSF. This paper highlights the significance of FNSF’s in military personnel and alerts physicians to the potential diagnosis. We identified all military recruits, aged 17 to 26, who attended the Infantry Training Centre (Catterick, UK), over a four-year period from the 1st July 2002 to 30th June 2006, who suffered a FNSF. The medical records, plain radiographs, bone scans and MRI’s of the recruits were retrospectively reviewed. Of 250 stress fractures, 20 were of the femoral neck; representing 8% of all stress fractures and an overall FNSF rate of 12 in 10,000 military recruits. FNSF’s were most prevalent amongst Parachute Regiment recruits (1 in 250, p< 0.05). Onset of symptoms was most commonly between 13–16 weeks from the start of training. The majority (17/20, 85%) of FNSF’s were undisplaced, these were all treated conservatively. Three FNSF’s were displaced on presentation and were treated surgically. Overall, the medical discharge rate was 40% (8/20). FNSF’s are uncommon and the diagnosis remains a challenge to clinicians and requires a high index of suspicion in young athletic individuals. In such individuals early referral for MRI is recommended, to aid prompt diagnosis and treatment, to prevent serious sequelae.

Correspondence should be addressed to Major M Butler RAMC, Princess Elizabeth Orthopaedic Centre, Royal Devon and Exeter Hospital, Exeter, Devon.


Orthopaedic Proceedings
Vol. 87-B, Issue SUPP_III | Pages 259 - 259
1 Sep 2005
Townend M Parker P
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Aim To review the evidence supporting the British military policy that potential army recruits should have upper or lower limb metalwork removed before training.

Background British military policy requires that potential recruits with either upper or lower limb internal fixation metalwork fall below acceptable entry criteria. Military training introduces considerable new stresses upon individuals and this is not without risk. 25% of applicants fall below basic medical entry standards whilst many areas remain undermanned. The MoD has a duty of care as an employer towards recruits and established personnel.

Method A Medline literature search was conducted together with multinational correspondence from interested agencies to review the evidence for this policy.

Results Studies suggest that in the asymptomatic patient, metalwork should not be routinely removed. Recent literature suggests a 4–40% complication rate following removal of metalwork. Infection and refracture are among the common complications. Evidence in top-level athletes suggests only minimal problems relating to retained metalwork when returning to pre-injury performance levels.

Summary No evidence has been demonstrated to support current MoD policy, which appears to be historically based. Other nations often adopt a more lenient approach. Translating the evidence specifically to the “military” scenario would require further prospective study.