NDLI: Radiological evaluation of the interfaces after cemented total hip replacement. Interobserver and intraobserver agreement.

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Radiological evaluation of the interfaces after cemented total hip replacement. Interobserver and intraobserver agreement.

Content Provider	Semantic Scholar
Author	McCaskie, Andrew Brown, Anthony R. Thompson, J. Robert Gregg, Paul J.
Copyright Year	1996
Abstract	Three radiological methods are commonly used to assess the outcome of total hip replacement (THR). They aim to record the appearance of lucent areas and migration of the prosthesis in a reproducible manner. Two of them were designed to monitor the implant through time and one to grade the quality of cementing. We have measured the level of inter- and intraobserver agreement in all three systems. We randomised 30 patients to receive either finger packing or retrograde gun cementing during Charnley hip replacements. The postoperative departmental radiographs were evaluated in a blinded study by two orthopaedic trainees, two consultants and two experts in THR. The trainees and consultants repeated the exercise at least two weeks later. We used the unweighted kappa statistic to establish the levels of agreement. In general, intraobserver agreement was moderate but interobserver agreement was poor, with levels similar to or less than those expected by chance. Our results indicate that such systems cannot provide reliable data from centres in different parts of the world, with various levels of surgeon evaluating radiographs at differing time intervals. We discuss the problem and suggest some methods of improvement.
Starting Page	1
Ending Page	2
Page Count	2
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.boneandjoint.org.uk/content/jbjsbr/78-B/2/191.full.pdf
PubMed reference number	8666622v1
Volume Number	78
Issue Number	2
Journal	The Journal of bone and joint surgery. British volume
Language	English
Access Restriction	Open
Subject Keyword	Blinded Bone structure of ischium Hip Dislocation, Congenital Hip Replacement Arthroplasty (procedure) Hip structure Patients Prosthesis Implantation Surgical Replantation Total Hip Replacement (procedure)
Content Type	Text
Resource Type	Article

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