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Bone & Joint 360
Vol. 11, Issue 1 | Pages 6 - 12
1 Feb 2022
Khan T Ng J Chandrasenan J Ali FM


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXVII | Pages 207 - 207
1 Sep 2012
Chandrasenan J Rajan R Price K
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The lateral pillar classification (LPC) is a widely used tool in determining prognosis and planning treatment in patients who are in the fragmentation stage of Perthes disease. The original classification has been modified to help increase the accuracy of the classification system by the Herring group. The purpose of our study was to independently assess this modified Herring classification.

35 standardized true antero-posterior radiographs of children in various stages of fragmentation were independently assessed by 6 senior observers on 2 separate occasions (6 weeks apart). Kappa analysis was used to assess the inter and intraobserver agreement between observations made. The degrees of agreement were as follows: poor, fair, moderate, good and very good.

Intraobserver analysis revealed at best only moderate agreement for two observers. 3 observers showed fair consistency, whilst 1 remaining observer showed poor consistency between repeated observations (p<0.01). The highest scores for interobserver agreement varying between moderate to good could only be established between 2 observers. For the remaining observers results were just fair (p<0.01).

This study highlights the lack of agreement between senior clinicians when applying the modified LPC. This has clinical implications when applying the classification to the decision making process in treating patients at risk of developing adverse outcomes from the disease. To our knowledge, this is the first time the modified LPC has been independently tested for its reproducibility by another specialist paediatric orthopaedic unit.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXIV | Pages 16 - 16
1 May 2012
Rajan R Chandrasenan J Metcalfe J Konstantoulakis C
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The purpose of our study was to independently assess the modified Herring lateral pillar classification.

Methods and results

35 standardised true antero-posterior radiographs of children in various stages of fragmentation were independently assessed by 6 senior observers on 2 separate occasions (6 weeks apart). Kappa analysis was used to assess the inter and intraobserver agreement between observations made. Intraobserver analysis revealed at best only moderate agreement for two observers. 3 observers showed fair consistency, whilst 1 remaining observer showed poor consistency between repeated observations (p<0.01). The highest scores for interobserver agreement varying between moderate to good could only be established between 2 observers. For the remaining observers results were just fair (p<0.01).

Conclusion

This stdy highlights the lack of agreement between senior clinicians when applying the modified LPC. This clearly has clinical implications. To our knowledge this is the first time the modified lateral pillar classification has been independently tested for its reproducibility by a specialist orthopaedic unit.


The Journal of Bone & Joint Surgery British Volume
Vol. 93-B, Issue 8 | Pages 1122 - 1125
1 Aug 2011
Chandrasenan J Klezl Z Bommireddy R Calthorpe D

We retrospectively reviewed the records of 16 children treated for spondylodiscitis at our hospital between 2000 and 2007. The mean follow-up was 24 months (12 to 38). There was a mean delay in diagnosis in hospital of 25 days in the ten children aged less than 24 months. At presentation only five of the 16 children presented with localising signs and symptoms. Common presenting symptoms were a refusal to walk or sit in nine children, unexplained fever in six, irritability in five, and limping in four. Plain radiography showed changes in only seven children. The ESR was the most useful investigation when following the clinical course of the disease. Positive blood cultures were obtained in seven children with Staphylococcus aureus being isolated in five. Antibiotics were used in 14 children and spinal bracing in six. Children with spondylodiscitis often present with a confusing clinical picture leading to late diagnosis.

The early use of MRI in the investigation of children with an atypical picture may avoid unnecessary delay in starting treatment and possibly prevent long-term problems. All except one of our children had made a complete clinical recovery at final follow-up. However, all six children in the > 24-month age group showed radiological evidence of degenerative changes which might cause problems in the future.


Orthopaedic Proceedings
Vol. 93-B, Issue SUPP_I | Pages 36 - 36
1 Jan 2011
Raglan M Chandrasenan J Maclean F Kurian J Clark D
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The literature shows that interscalene anaesthesia (ISA) offers many advantages over general anaesthesia(GA) for arthroscopic surgery. There are benefits intra-operatively, a decrease in post-operative complications and a decrease in hospital stay. However patient satisfaction and acceptance of interscalene anaesthesia has not been fully assessed. We wanted to prospectively assess patient choice and satisfaction with interscalene anaesthesia compared to general anesthesia.

Fifty patients undergoing subacromial arthroscopic decompression and suitable for either anaesthetic technique, were prospectively identified between August and December 2006. The anaesthetic team discussed the pros and cons of general anaesthesia versus interscalene anaesthesia and the patient choose the type of anaesthesia. The same anaesthetic team and senior author managed and operated on all the patients in the study. Post-operatively patients filled out a questionnaire, which assessed patient choice, experience and satisfaction with type of anaesthesia undertaken.

Forty-sic patients successfully completed the questionnaire (27 female, 19 male, average age 59). Seventy-six percent of patients felt that they really understood the pros and cons of each anaesthetic type. Seventy-eight percent of patients felt that they really had the choice in determining their anaesthesia. Twenty-six choose ISA and twenty choose GA. Post-operative complications were less in the ISA group versus the GA group; pain(5.23ISA, 5.75GA), nausea(11%ISA, 35%GA), vomiting(0 ISA, 1GA), and drowsiness(19% ISA, 70%GA). Hospital stay was shorter in ISA patients compared to GA patients. All patients claimed to be satisfied with their choice and none would in retrospect change it.

Patients who choose interscalene anaesthesia had less post-operative pain, nausea, vomiting, drowsiness and shorter hospital stays then those patients who choose general anaesthesia for their shoulder surgery. This is consistent with the literature. All patients claimed to be fully satisfied with their hospital experience irrespective of the type of anaesthesia undertaken and none would have chosen differently.


Orthopaedic Proceedings
Vol. 91-B, Issue SUPP_I | Pages 179 - 180
1 Mar 2009
Chandrasenan J Espag M Dias R Clark D
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The aim of this study was to assess the outcome of a pre-contoured anatomic plate in the treatment of midshaft clavicle fractures.

We treated thirty patients consecutively for middle third clavicle fractures between March 2001 to March 2006. Surgery was performed for acute fractures, non-unions and malunions by a senior surgeon.

Fifteen patients were treated by open reduction and internal fixation with a precontoured small fragment clavicle plate (mean age of thirty-eight years).

Our control group consisted of a consecutive series of fifteen patients treated by internal fixation with conventional plates (mean age of forty-one years). Ten patients had fixation of their clavicles with a reconstruction plate whilst five patients had fixation with a dynamic compression plate (DCP).

Outcomes assessed for both groups were; complications, need for removal of plate, post-operative outcome, and time to union.

All patients were followed up for an average of eighteen months (range eight to thirty months). In the pre-contoured plate group none required removal of hardware. Five patients had complications. Three of these patients complained of numbness around the caudal aspect of the wound which subsequently resolved within six to eight weeks of the operation. The remaining two patients suffered from adhesive capsulitis postoperatively. Their symptoms resolved completely after four months. All patients regained full range of motion. All patients went on to clinical and radiological union with average time to union being 4.7 months (range three to ten months).

In the conventional plate group, nine patients required removal of their plate. Average time to removal of plate from index operation was 7.7 months (range four to thirteen months). Of the nine plate removals there were two plate breakages, five removals for local soft tissue irritation and two persistent painful non-unions. Three patients required subsequent re-plating for non-unions. All fractures united in this group with mean time to union of 5.4 months (range 2 to 14 months).

A pre-contoured clavicle plate provides rigid fixation without compromising plate stiffness and fatigue strength. We have successfully treated patients with acute fractures, nonunions and malunions of midshaft clavicle fractures, where there was gross distortion of normal anatomy. None of our patients required the removal of their plates (minimum follow-up of 8 months). We have also found these plates to be a valuable anatomical template when reconstructing a malunion, nonunion or highly comminuted fracture.

In conclusion, this is the first reported series demonstrating the use of anatomical pre-contoured plates for clavicle fractures. They can reduce time spent on intra-operative contouring, are low-profile and thus far, plate removal has not been necessary.