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Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_16 | Pages 119 - 119
1 Dec 2015
Sharma H Dearden P Lowery K Gavin B Platt A
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Chronic osteomyelitis is a challenging problem and a growing burden for the National Health Service. Conventional method of treatment is 2 stage surgery, with debridement and prolonged courses of antibiotics. Recently single stage treatment of chronic osteomyelitis is gaining popularity due decreased patient morbidity and cost effectiveness. Dead space management in single stage treatment is accomplished by either a muscle / myocutaneous or antibiotic loaded calcium sulphate beads.

We analysed the cost effectiveness of two dead space management strategies in single stage treatment of osteomyelitis. Study is designed to analyse the health economics at 2 time points; 45 days post surgery and 2 years post surgery. We report preliminary results at 45 days post surgery.

Setting – Level 1 trauma centre and university hospital

Approval – Ethics committee approved study

10 patients in each group were retrospectively analysed through patient records. Each group was identified for standard demographics, duration of procedure, hospital stay, type and duration of postoperative antibiotics, number of out patient visits in first 45 days and recurrence of infection.

Table attached details the results of both groups

In health technology assessment four quadrant model, CSB appears in quadrant II suggesting that it is more cost effective.

Based on small data set and on assessment only evaluating cost, at 45 days assessment, antibiotic calcium sulphate beads from a Health Economic Cost Effectiveness Analysis offers a better economic outcome. This is holding constant the morbidity of the patients and effectiveness, assuming both treatments are standards of care, which is best evaluated at 24 months.

Acknowledgements

Biocomposites for funding the cost of health economist.


Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_5 | Pages 22 - 22
1 May 2015
Dearden P Lowery K Sherman K Mahadevan V Sharma H
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Background:

Potential injury to the common peroneal nerve at the level of the fibula head/neck junction during fine wire insertion in stabilization of proximal fibula, is a recognised complication. This study aims to relate the course of the common peroneal nerve to fibula head transfixion wire.

Methods:

Standard 1.8mm Ilizarov wires were inserted percutaneously in the fibula head of cadaveric knees. The course of the common peroneal nerve was dissected calculating wire to nerve distance.


Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_5 | Pages 16 - 16
1 May 2015
Lowery K Dearden P Sherman K Mahadevan V Sharma H
Full Access

Background:

Septic arthritis following intra-capsular penetration of the knee by external fixation devices is a complication of traction/fixation devices. This study aimed to demonstrate the capsular attachments and reflections of the distal femur to determine safe placements of wires.

Methods:

The attachments of the capsule to the distal femur were measured in cadaveric knees. Medially and laterally measurements were expressed as percentages related to the maximal AP diameter of the distal femur.


Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_5 | Pages 27 - 27
1 May 2015
Bryant H Dearden P Harwood P Wood T Sharma H
Full Access

Methods:

Total radiation exposure accumulated during circular frame treatment of distal tibial fractures was quantified in 47 patients treated by a single surgeon from March 2011 until Nov 2014. The radiation exposures for all relevant radiology procedures for the distal tibial injury were included to estimate the radiation risk to the patient.

Results:

The median time of treatment in the frame was 169 days (range 105 – 368 days). Patients underwent a median of 13 sets of plain radiographs; at least one intra operative exposure and 16 patients underwent CT scanning. The median total effective dose per patient from time of injury to discharge was 0.025 mSv (interquartile range 0.013 – 0.162 and minimum to maximum 0.01–0.53). CT scanning is the only variable shown to be an independent predictor of cumulative radiation dose on multivariate analysis, with a 13 fold increase in overall exposure.