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Biomedical subjects

M L Harding

Publications and source records attributed to M L Harding.

11 recordsLinked to original sources
PubMed2001

Review of the clinical results of arthroscopic meniscal repair.

A total of 62 arthroscopic meniscal repairs (60 knees in 59 patients) over a 5-year period were evaluated retrospectively to assess outcome and to identify factors that might improve future clinical results. The overall success rate was 66.1%. Early repair within 3 months of sustaining the tear gave better results (91%) than if carried out later (58%). Suture repair alone yielded better results (78%) than meniscal arrows or a T-fix device (56%). Healing rates of atraumatic meniscus tears were much lower than for traumatic tears (42 vs. 73%). The isolated atraumatic medial meniscal tear appeared to do particularly poorly (33% healing) and may be better treated by meniscectomy.

Adolescent↗
PubMed1999

Designing automatic resupply systems.

This article outlines the process for designing and implementing autoresupply systems. The planning process includes determination of goals and appropriate participation. Different types of autoresupply mechanisms include kanban, breadman, consignment, systems contracts, and direct shipping from an MRP schedule.

Competitive Bidding↗
PubMed1998

How to calculate total purchase cost.

Companies wanting to implement a total cost-based supplier selection process often stumble over how to include nonmonetary issues such as delivery and quality performance, lead time, services, and social policies. This article describes a process that allows a company to include any issue it deems relevant and to determine its cost factor.

Accounting↗
PubMed1997

Attitudes to, and utilization of, low molecular weight heparins in joint replacement surgery.

A postal survey was carried out to determine the attitudes to the use of low molecular weight heparin (LMWH) in joint replacement among two representative groups of orthopaedic surgeons practising in the UK. 72% of hip surgeons and 51% of knee surgeons replying had used LMWHs for deep vein thrombosis prophylaxis in joint replacement patients. Of these, 48% had discontinued LMWH use due to bleeding complications. Among those continuing to use LMWHs, 88% had witnessed excessive bruising around the wound and 53% had experienced increased wound bleeding or haematomas. Although LMWHs have been shown to reduce post-operative thromboembolism in these groups, clinical experience has revealed an increased incidence of bleeding complications associated with their use. This has prevented their routine use in joint replacement, as was the case with unfractionated heparin in the past.

Arthroplasty, Replacement, Hip↗
PubMed1993

The ABC carbon and polyester prosthetic ligament for ACL-deficient knees. Early results in 31 cases.

We treated 39 knees with chronic deficiency of the anterior cruciate ligament by reconstruction using the ABC carbon and polyester prosthetic ligament; 31 (79.5%) were reviewed at an average follow-up of 34 months. There had been four complete failures requiring revision. The remaining 27 were studied in detail. On the Lysholm rating, only 11 knees (41%) had good results with a score of over 76. The mean anterior drawer movement was reduced from 7.6 mm before operation to 5.8 mm at review. The mean difference from the opposite uninjured knee was 3.9 mm before operation, 1 mm (in 21 patients) at mean follow-up of 7.4 months and 2.5 mm (in 27 patients) at 34 months, indicating progressive loss of effect. In our opinion the results are unsatisfactory: we do not recommend the use of this prosthetic ligament.

Adult↗
PubMedDate not supplied

A fresh appraisal of tibial osteotomy for osteoarthritis of the knee.

A retrospective study was performed on 189 arthritic knees treated by tibial osteotomy at the Nuffield Orthopaedic Centre, Oxford, England to determine the quality of the results. The objective results were deduced from a numerical system of grading of pain, function, and movement, for 132 osteoarthritic knees. No statistical difference was found between high and low tibial osteotomies. Varus and male knees fared better than valgus and female knees. The result was significant only for the male varus group. Correction of the angular deformity had a profound influence on the results for varus but not for valgus knees. A joint tilt increase usually occurred and was associated with increased subluxation and instability in valgus knees but decreased or unchanged subluxation in varus knees. This was held to be an important cause of failure to achieve good results in valgus knees, and appeared to be an irremedial fault of tibial osteotomy.

Adult↗