Internet resources for orthopaedic surgeons.
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Biomedical subjects
Publications and source records attributed to I H Kirschenbaum.
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Surgical scheduling and data collection is a field that has a long history as well as a bright future. Historically, surgical cases have always involved some amount of data collection. Surgical cases are scheduled and then reviewed. The classic method, that large black surgical log, actually still exists in many hospitals. In fact, there is nothing new about the recording or reporting of surgical cases. If we only needed to record the information and produce a variety of reports on the data, then modern electronic technology would function as a glorified fast index card box--or, in computer database terms, a simple flat file database. But, this is not the future of technology in surgical case management. This article makes the general case for integrating surgical data systems. Instead of reviewing specific software, it essentially addresses the issues of strategic planning related to this important aspect of medical information systems.
Hydroxyapatite (HA) is currently being investigated for use in total hip arthroplasty. This article reviews the principles underlying the rationale for its use. Important concepts to understand include basic characteristics of HA, the implant-HA and HA-bone interfaces, biodegradability and the ability of HA to bridge gaps in bone.
The success of Charnley cemented total hip arthroplasty for osteonecrosis of the femoral head was assessed using survival analysis. Eighty-seven total hip arthroplasties were followed up for an average of 5.7 years (range, 1.4-13.0 years). There were 59 women and 28 men. The average age was 60 years (range, 30-84 years). Using Charnley hip scores, all patients showed significant progress. The survival analysis showed that using femoral loosening, revision, and pain scores less than 5 as end points, survival was 0.61, 0.94, and 0.81, respectively. With revision as an end point, there were no differences between patients in groups less than 50 and greater than or equal to 50 years of age, weighing less than 185 and greater than =185 lb, and men versus women. There was an 11.5% overall revision rate. Charnley cemented total hip arthroplasty is a viable alternative for patients with painful osteonecrosis.
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Explore the source record for details and available documents.