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Biomedical subjects

O Brady

Publications and source records attributed to O Brady.

8 recordsLinked to original sources

An improved acetabular cementing technique in total hip arthroplasty. Aspiration of the iliac wing.

We have evaluated the effect of vacuum aspiration of the iliac wing on the osseointegration of cement into the acetabulum. We entered a total of 40 patients undergoing primary total hip arthroplasty into two consecutive study groups. Group 1 underwent acetabular cement pressurisation for 60 seconds before insertion of the acetabular component. Group 2 had the same pressurisation with simultaneous vacuum suction of the ilium using an iliac-wing aspirator. Standard post-operative radiographs were reviewed blindly to assess the penetration of cement into the iliac wing. Penetration was significantly greater in the group with aspiration of the iliac wing.

Acetabulum↗

The unstable distal radial fracture one year post Kapandji intrafocal pinning.

Kapandji pinning has been proposed as the treatment of choice for unstable Colles' fractures. The aim of this paper is to evaluate our experience treating unstable Colles' type fractures using this technique. Over a nine month period, 36 patients with Colles' type fractures were treated operatively at St. Vincent's Hospital. 22 of these fractures were deemed unstable and were treated using percutaneous intrafocal Kapandji pinning. 20 of these patients were recalled for review at a mean of 11.3 month post injury. At this stage the wrist was examined clinically and radiologically. Initial satisfactory correction of deformity was achieved by this technique. Between the time of wire removal and final review, however, there was significant recurrence of dorsal angulation (P < 0.05), but no significant radial shortening on radiographs. The patients had a satisfactory clinical result in spite of these radiological parameters.

Adult↗

Trapeziectomy alone, with tendon interposition or with ligament reconstruction?

This randomized prospective study compared the results of trapeziectomy alone, or combined with tendon interposition or ligament reconstruction in 76 women with basal thumb osteoarthritis. At 3 month and 1 year follow-up the results of the three procedures were indistinguishable in terms of pain relief, hand function and thumb strength. In the short term at least, tendon interposition and ligament reconstruction do not improve the results of trapeziectomy.

Female↗

Magnetic resonance imaging of knee injuries in children.

The purpose of this study was to evaluate the significance of meniscal appearances and determine the frequency of abnormalities seen on magnetic resonance (MR) imaging in children with knee injuries. We reviewed 78 consecutive MR imaging studies of 74 children aged 5-16 years with unfused epiphyses. Menisci were evaluated using conventional grading techniques. We used chi2 to compare the frequencies of medial and lateral meniscus and anterior cruciate ligament (ACL) tears with each other and with published data for children. Similarly, we compared the proportions of tears of these structures with published data. Arthroscopy results from 26 children were used to calculate sensitivity and specificity of MR imaging for meniscal tears, which were 100% (8/8) and 89% (16/18), respectively. The majority of studies (82%) had grade I or II signal intensity in one or both menisci. Arthroscopy results available in 33% of this group revealed normal menisci. Tears of the medial and lateral menisci were significantly more common than of the ACL. Injuries of the ACL were seen significantly less frequently than previously reported. Grade I or II meniscal signal intensity in children with knee injuries is consistent with a normal meniscus. Tears of the menisci are more common than ACL tears. MR imaging in this context appears reliable.

Adolescent↗

Hand surgery coding and classification.

The development of codes for hand surgery as part of the Read Code System is described. A lexicon of clinical terms and surgery has been developed, and will shortly be available from the National Health Service Centre for Coding and Classification in Loughborough, UK.

Forms and Records Control↗

Outcomes of hand surgery. British Society for Surgery of the Hand.

The findings are presented of a conference on Outcomes of Hand Surgery organized by the audit committee of British Society for Surgery of the Hand in 1993. Measures of outcome in terms of movement, power, sensibility, pain, activities of daily living, complications and patient satisfaction are considered, and an example of a patient evaluation measure given as an appendix.

Adult↗

The Guildford elbow.

The Guildford elbow is a new unconstrained elbow arthroplasty. From 1985 to 1991, this arthroplasty was used in 24 patients with rheumatoid arthritis. The patients were reviewed after an average of 28 months (4-59 months). Good to excellent results were obtained in 95% regarding pain relief and functional improvement. Complications were few, with only one case of clinical loosening and three of radiological loosening. Ulnar nerve hypo-aesthesia was common but did not jeopardize the final result in any patient.

Adult↗