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Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_IV | Pages 68 - 68
1 Mar 2012
Willett K Al-Khateeb H Kotnis R Bouamra O Lecky F
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Background

To determine the relative contributions of bilateral versus unilateral femoral shaft fracture plus injuries in other body regions to mortality after injury.

Study design

A retrospective analysis of the prospectively recorded Trauma Registry data (TARN) from 1989 to 2003.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_II | Pages 101 - 101
1 Feb 2012
David S Kotnis R Ostlere S Willett K
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If the lower re-rupture in operative treated patients was an effect of tendon-end apposition, then patients in whom that could be demonstrated in equinus by ultrasound could be equally well treated non-operatively without the attendant surgical risk.

All patients undergoing ultrasound for a suspected Achilles tendon repair between January 2000-2005 were included. Patients with a residual gap, 5mm or more in equinus; were treated by surgical repair. Those with a gap of less than 5mm were treated non-operatively. We excluded patients with no rupture, partial rupture and musculo-tendinuous junction (MTJ) tears. We recorded the following: clinical findings, ultrasound measurements of tendon gap in neutral and equinus, distance of rupture from distal insertion, the treatment and complications. All patients were followed up to a minimum of 6 months.

156 patients were treated for a clinical Achilles tendon rupture during the study period. We excluded 5 patients with no rupture on ultrasound, 15 with a MTJ tear, 7 with a muscle tear and 4 patients did not follow the protocol. 125 patients comprising 88 males and 37 females were entered into the study. 67 patients were treated operatively (37 open, 30 percutaneous) and 58 non-operatively. There was no significant difference between the 2 groups with respect to age, sex and injury mechanism. Two patients in the non-operative group had a re-rupture (3.4%) compared with 1 (1.5%) in the non-operative group. There were 2 incidences of superficial wound infection and 2 of temporary dorsal foot numbness in the operative. One patient in the non-operative group had a DVT. There was no significant difference for any of the complications between the two groups.

It may be possible to reduce the risk of re-rupture and surgery using dynamic ultrasound to determine which treatment the patient receives.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_III | Pages 104 - 104
1 Feb 2012
Kotnis R Madhu R Al-Mousawi A Barlow N Deo S Worlock P Willett K
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Background

Referral to centres with a pelvic service is standard practice for the management of displaced acetabular fractures.

Hypothesis

The time to surgery: (1) is a predictor of radiological and functional outcome and (2) this varies with the fracture pattern.


Orthopaedic Proceedings
Vol. 90-B, Issue SUPP_III | Pages 460 - 460
1 Aug 2008
SPITERI V KOTNIS R SINGH P ELZEIN R BROOKS A WILLETT K
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Background: The safest and most effective method of early spine clearance in unconscious patients is the subject of intense debate.

Hypothesis: Helical CT is a sufficiently sensitive investigation to render dynamic screening of the cervical spine redundant.

Protocol: Our protocol for cervical spinal clearance in the unconscious patient since April 1994 involves the use of plain radiographs, CT scan (helical CT since 1997) and dynamic screening (DS).

Method: Over a ten-year period, April 1994 to September 2004, 839 patients were admitted to intensive care under the orthopaedic surgeons. 35 patients were excluded because of incomplete records.

Results:

Demographics: The mechanism of injury was a road traffic accident in 80% and the mean ISS was 24.1. There were 95 patients (10.9%) with a cervical spine fracture, 96 (10.8%) with a fracture in either / both thoracic and lumbar regions.

Spine clearance: Mean intubation (7.1 days), time to spine clearance (mean 0.4 days). In 318 patients, clearance was performed with the patient conscious (284 prior to intubation, 34 after intubation of < 24hrs). 42 patients (4.6%) died before spine clearance. In 10 patients, the protocol was not followed.

Inclusions: 434 patients underwent CT. 10 of the 95 cervical fractures were deemed stable and underwent DS (n = 349).

Missed Cases: CT missed 2 cases of instability, one of these (an atlanto-occipital dislocation) was also missed by DS. Critical analysis revealed a Powers ratio calculation would have diagnosed this injury on CT. Sensitivity (CT 97.7% vs DS 98.8%), specificity (100% CT and DS). There were no complications from either procedure.

Conclusion: DS is a safe procedure but has no real advantage over helical CT. Power’s ratio calculation is essential to reduce the chance of a missing an upper cervical injury. The cervical spine can be reliably cleared using helical CT alone.


Orthopaedic Proceedings
Vol. 90-B, Issue SUPP_II | Pages 232 - 232
1 Jul 2008
Kotnis R David S Ostlere S Willet K
Full Access

Hypothesis: If the lower re-rupture in operative treated patients was an effect of tendon-end apposition, then patients in whom that could be demonstrated in equinus by ultrasound could be equally well treated non-operatively without the attendant surgical risk.

Method: All patients undergoing ultrasound for a suspected Achilles tendon repair between January 2000 – 2005 were included. Patients with a residual gap, 5mm or more in equinus; were treated by surgical repair. Those with a gap of less than 5mm were treated non-operatively. We excluded patients with no rupture, partial rupture and musculo-tendinuous junction (MTJ) tears. We recorded the following: clinical findings, ultrasound measurements of tendon gap in neutral and equinus, distance of rupture from distal insertion, the treatment and complications. All patients were followed up to a minimum of 6 months.

Results: 156 patients were treated for a clinical Achilles tendon rupture during the study period. We excluded 5 patients with no rupture, 15 with a MTJ tear, 7 with a muscle tear and 4 patients did not follow the protocol. 125 patients comprising 88 males and 37 females were entered into the study. 67 patients were treated operatively (37 open, 30 percutaneous) and 58 non-operatively. There was no significant difference between the 2 groups with respect to age, sex and injury mechanism. There were 2 re-ruptures in the non-operative group and 1 with surgery. The operative group had 2 patients with superficial wound infection and 2 with temporary dorsal foot numbness. One patient in the non-operative group had a DVT. There was no significant difference for any of the complications between the two groups.

Conclusions: It may be possible to reduce the risk of re-rupture and surgery using dynamic ultrasound to determine which treatment the patient receives.


Orthopaedic Proceedings
Vol. 88-B, Issue SUPP_II | Pages 220 - 220
1 May 2006
Kotnis R Jariwala A Henderson N
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Method: We reviewed the hospital notes of 45 patients who underwent a lumbar discectomy over a 30month period. The care pathway was divided into three components: Pre-Hospital Wait (time from GP referral to first outpatient appointment), Hospital Wait (first out-patient appointment to being listed for surgery) and the Waiting List period.

The patients were divided into three groups: those following a standard pathway (group I), patients referred with an MRI scan (group II) and emergency admissions to hospital (group III).

Results: The groups I, II and III comprised of 18, 12 and 7 patients respectively. The mean Pre-Hospital Wait in weeks was 16 (group I) and 14 (group II). The Hospital Wait was 12 (group I), 3 (group II) and 1 (group III). The Waiting List period was 26 (group I), 18 (group II) and 1 (group III). The difference in The Hospital Wait between groups I and II reached significance.

Discussion: The Waiting List Period is often blamed as the causa principale for a delay in treatment. This review shows that a considerable time is spent in the Hospital Wait period and draws attention to a recognised delay in the care pathway, which requires a multidisciplinary approach to reduce its effect.


Orthopaedic Proceedings
Vol. 88-B, Issue SUPP_I | Pages 122 - 122
1 Mar 2006
Kotnis R Spiteri V Little C Theologis T Wainwright A Benson M
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Aims: To assess the value of hip arthrography in planning definitive treatment for children with DDH and Perthes’ disease.

Background: It is sometimes unclear whether children with DDH and Perthes’ disease need an operation. Surgeons are guided by the clinical symptoms and signs together with the radiographic appearances of the affected hip. In our Unit children on whom an operation is considered undergo an examination under anaesthetic (EUA) and a hip arthrogram. This prospective study was developed to assess whether treatment was modified by the arthrogram.

Methods: All patients who underwent an EUA and hip arthrogram for DDH or Perthes’ disease over a 10 month period were entered into this prospective study. Prior to arthrography a Consultant Children’s Orthopaedic Surgeon formulated a treatment plan. A standard arthrogram was performed which included anteroposterior, frog lateral, Von Rosen and oblique views. Traction axial loading views were taken to assess stability. Following EUA and arthrogram the Consultant Surgeon formulated a definitive treatment plan. Three Children’s Consultants were then invited subsequently to review the preoperative and arthrographic appearances blindly to monitor reproducibility. Twenty-one patients with DDH and 19 with Perthes’ disease were entered into the study.

Results: In the DDH group of patients the treatment plan was modified in 12 of the 21 patients as a consequence of the arthrogram. Six of the 19 patients (31.6 %) of the Perthes’ affected patients had their treatment modified. When it was felt likely prior to EUA a conservative treatment was indicated. The correlation of intra-observer Consultant agreement was high but inter-observer Consultant agreement was moderate only. In both groups of patients the range of hip motion was significantly greater under anaesthesia.

Conclusion: Static and dynamic arthrography helps decision making in patients with DDH and Perthes’ disease.