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Orthopaedic Proceedings
Vol. 96-B, Issue SUPP_7 | Pages 12 - 12
1 Apr 2014
Betts H Little K
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Carpal tunnel decompression is one of the most commonly performed orthopaedic operations. Last year 160 patients attended our department for surgery. There have been reports in the literature of good results and improved patient satisfaction for wound closure with Vicryl Rapide following Dupuytren's surgery.

We looked at 200 consecutive patients who underwent carpal tunnel decompression. Wounds were closed using either non-absorbable monofilament sutures (first 97 patients) or interrupted Vicryl Rapide (next 103 patients). We compared the incidence of wound problems in the early post operative period, scar sensitivity and the number of patients requiring a further outpatient appointment because of ongoing problems associated with these issues.

There was a higher incidence of early wound problems (p=0.0359) in patients whose wounds were closed with nylon. There was no difference in the rates of scar tenderness (p=1) or in the number of patients requiring further clinic appointments (p=0.356). There are also potential cost savings in using absorbable sutures as they require fewer sundry items at the dressings clinic.

In conclusion there were fewer problems associated with wound closure with interrupted Vicryl Rapide sutures than with nylon in patients undergoing carpal tunnel decompression.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXVIII | Pages 10 - 10
1 Jun 2012
Huntley JS Frame MC McCaul J Little K Irwin GJ
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Rapid prototyping (RP), especially useful in surgical specialities involving critical three-dimensional relationships, has recently become cheaper to access both in terms of file processing and commercially available printing resources.

One potential problem has been the accuracy of models generated. We performed computed tomography on a cadaveric human patella followed by data conversion using open source software through to selective-laser-sintering of a polyamide model, to allow comparative morphometric measurements (bone v. model) using vernier calipers. Statistical testing was with Student's t-test.

No significant differences in the dimensional measurements could be demonstrated. These data provide us with optimism as to the accuracy of the technology, and the feasibility of using RP cheaply to generate appropriate models for operative rehearsal of intricate orthopaedic procedures.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XI | Pages 27 - 27
1 Apr 2012
Little K Hutchison J Crombie A
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The ‘cement reaction’ is a recognised cardio-respiratory response to methylmethacrylate bone cement, characterised by hypotension, reduced cardiac output, and on occasion fatal circulatory collapse. It is seen in 0.5-1% of cemented hip arthroplasties during the insertion and pressurisation of cement into the femur, and is believed to be secondary to marrow thromboembolism, the vasodilatory effect of methylmethacrylate, or a combination of the two. A number of steps, within the operating surgeon's control, can be undertaken to reduce the risk of the ‘cement reaction’ occurring.

An e-mail based questionnaire was sent to all trainees and consultants in the West of Scotland containing eight questions relating to cementing technique when performing hemiarthroplasty of the hip. The questions related to measures to reduce the potential for ‘cement reaction’, e.g.: whether or not they routinely use a cement restrictor.

Seventy-two complete replies were received. For five of the eight measures, the surgeons routinely employed the suggested practices. For the remaining three, the consensus opinion was contrary to the suggested practice for reduction of the risk of ‘cement reaction’. These were with respect to the surgical approach employed, whether or not to attempt to remove all cancellous bone from the proximal femur, and the use, or not, of a venting tube during cement insertion. In all three cases, the difference was statistically significant on chi-squared testing.

The cohort of surgeons questioned routinely employ more than half of the methods suggested to reduce the potential for ‘cement reaction’ in hemiarthroplasty of the hip. Further surveys of why they do, or do not, undertake certain practices during cementing would help improve awareness of ‘cement reaction’, and perhaps reduce the incidence of this potentially fatal phenomenon.