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Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXVII | Pages 60 - 60
1 Sep 2012
Yousri T Yichientsaia A Thyagarajen D Livingstone J Bradley R
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Introduction

Over 300,000 patients present with fragility fractures each year. Following a hip fracture, the 30 days mortality is around 8.3 to 9.3%. Mortality increases to 20–24% after the first year and this risk may persist for at least 5 years. The most significant variables that influence mortality are age, gender, fracture type, prefracture residence, prefracture mobility and ASA scores. Common reported postoperative complications responsible for mortality in hip fracture patients include; heart failure, bronchopneumonia and infections. Most of the studies in the literature focus on management variables influencing mortality rather than the encountered postoperative medical problems leading to death.

The aim of this study is to retrospectively analyze the postoperative medical complications which led to death in a cohort of patients, following a hip fracture.

Methodology

This is a retrospective analysis of a cohort of 82, out of 648, patients with hip fractures who died over a period of 2 years (December 2006–January 2009). Forty nine females and 33 males (ratio 1.5:1) were included in the study with a mean age of 87.8 years (range 59–98 years).

For mortality analysis, patients' co-morbidities and medical events leading to death were categorized according to the involved organ system. This included cardiovascular, respiratory, renal, gastrointestinal, neurological and musculoskeletal systems). The timing and decision of DNAR and palliation was noted for each patient.

The 30 days and the overall mortality were the set outcome measures to be reviewed.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXVII | Pages 481 - 481
1 Sep 2012
Smith H Manjaly J Yousri T Upadhyay N Nicol S Taylor H Livingstone J
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Informed consent is vital to good surgical practice. Pain, sedative medication and psychological distress resulting from trauma are likely to adversely affect a patient's ability to understand and retain information thus impairing the quality of the consent process. This study aims to assess whether provision of written information improves trauma patient's recall of the risks associated with their surgery.

121 consecutive trauma patients were randomised to receive structured verbal information or structured verbal information with the addition of supplementary written information at the time of obtaining consent for their surgery. Patients were followed up post-operatively (mean 3.2 days) with a questionnaire to assess recall of risks discussed during the consent interview and satisfaction with the consent process.

Recall of risks discussed in the consent interview was found to be significantly improved in the group receiving written and verbal information compared to verbal information alone (mean questionnaire score 41% vs. 64%), p=0.0014 using the Mann-Whitney U test. Patient satisfaction with the consent process was significantly improved in the group receiving written and verbal information, 97.9% of patients reported that they understood the risks of surgery when they signed the consent form compared to 83.2% who received verbal information alone (p=0.01). The majority of patients who received written information reported finding it helpful (93.8%) and most of the patients who did not receive written information reported they would have found it useful had it been offered (66%).

Patients awaiting surgery following trauma can pose a challenge to adequately inform about benefits conferred, the likely post operative course and potential risks. Written information is a simple and cost-effective means to improve the consent process and was popular with patients.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XIX | Pages 8 - 8
1 May 2012
Gardner R Yousri T Holmes F Clark D Pollintine P Miles A Jackson M
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Treatment of syndesmotic injuries is a subject of ongoing controversy. Locking plates have been shown to provide both angular and axial stability and therefore could potentially control both shear forces and resist widening of the syndesmosis. The aim of this study is to determine whether a two-hole locking plate has biomechanical advantages over conventional screw stabilisation of the syndesmosis in this pattern of injury. Six pairs of fresh-frozen human cadaver lower legs were prepared to simulate an unstable Maisonneuve fracture. The limbs were then mounted on a servo-hydraulic testing rig and axially loaded to a peak load of 800N for 12000 cycles. Each limb was compared with its pair; one receiving stabilisation of the syndesmosis with two 4.5mm quadricortical cortical screws, the other a two-hole locking plate with 3.2mm locking screws (Smith and Nephew). Each limb was then externally rotated until failure occurred. Failure was defined as fracture of bone or metalwork, syndesmotic widening or axial migration >2mm. Both constructs effectively stabilised the syndesmosis during the cyclical loading within 1mm of movement. However the locking plate group demonstrated superior resistance to torque compared to quadricortical screw fixation (40.6Nm vs 21.2Nm respectively, p value <0.03).

Conclusion

A 2 hole locking plate (3.2mm screws) provides significantly greater stability of the syndesmosis to torque when compared with 4.5mm quadricortical fixation.