PMID- 12707697
OWN - NLM
STAT- MEDLINE
DCOM- 20031112
LR  - 20131121
IS  - 0085-4530 (Print)
IS  - 0085-4530 (Linking)
VI  - 32
IP  - 4
DP  - 2003 Apr
TI  - [What effect does the hydroxyapatite coating have in cementless knee 
      arthroplasty?].
PG  - 323-30
AB  - The goal of this study was to compare the migration of noncemented diffusion 
      sintered titanium fibermesh-coated tibial components with (HA group) and without 
      (non-HA group) additional hydroxyapatite coating. For this purpose digital 
      radiostereometry (DIRSA) was used to compare the migration after 2 and 9 years 
      for the two groups. After 2 years the mean maximum subsidence of the HA-coated 
      components (0.24+/-0.18 mm) was about one-half of the mean maximum subsidence of 
      the non-HA-coated group (0.55+/-0.55 mm). After 9 years the maximum subsidence of 
      the HA-coated components was still smaller, but not as pronounced as before. The 
      same trend was also found for the endpoint maximum total point motion (MTPM). 
      After 2 years the mean MTPM of the HA-coated components was 0.66+/-0.38 mm and of 
      the non-HA group 0.73+/-0.50 mm. After 9 years the mean MTPM for the HA-coated 
      components was 0.54+/-0.15 mm and for the non-HA-coated components 0.74+/-0.20 
      mm. None of the HA-coated tibial components but one of the non-HA group had to be 
      revised and exchanged due to aseptic loosening.
FAU - Hildebrand, R
AU  - Hildebrand R
AD  - Klinik fur Orthopadie und Rheumatologie, Philipps-Universitat, Marburg. 
      hildebr2@post.med.uni-marburg.de
FAU - Trappmann, D
AU  - Trappmann D
FAU - Georg, C
AU  - Georg C
FAU - Muller, H H
AU  - Muller HH
FAU - Koller, M
AU  - Koller M
FAU - Klose, K J
AU  - Klose KJ
FAU - Griss, P
AU  - Griss P
FAU - Kienapfel, H
AU  - Kienapfel H
LA  - ger
PT  - Clinical Trial
PT  - Comparative Study
PT  - English Abstract
PT  - Journal Article
PT  - Randomized Controlled Trial
TT  - Welchen Effekt hat die Hydroxylapatitbeschichtung beim zementfreien 
      Kniegelenkersatz? Eine prospektiv randomisierte RSA-Langzeitstudie uber 9 Jahre.
PL  - Germany
TA  - Orthopade
JT  - Der Orthopade
JID - 0331266
RN  - 0 (Coated Materials, Biocompatible)
RN  - 91D9GV0Z28 (Durapatite)
SB  - IM
MH  - Aged
MH  - Aged, 80 and over
MH  - *Coated Materials, Biocompatible
MH  - *Durapatite
MH  - *Equipment Failure Analysis
MH  - Female
MH  - Follow-Up Studies
MH  - Humans
MH  - Image Processing, Computer-Assisted
MH  - *Knee Prosthesis
MH  - Male
MH  - Microscopy, Electron, Scanning
MH  - Middle Aged
MH  - Photogrammetry
MH  - Postoperative Complications/pathology/surgery
MH  - Prospective Studies
MH  - Prosthesis Design
MH  - Reoperation
MH  - Surface Properties
EDAT- 2003/04/23 05:00
MHDA- 2003/11/13 05:00
CRDT- 2003/04/23 05:00
PHST- 2003/04/23 05:00 [pubmed]
PHST- 2003/11/13 05:00 [medline]
PHST- 2003/04/23 05:00 [entrez]
AID - 10.1007/s00132-002-0443-5 [doi]
PST - ppublish
SO  - Orthopade. 2003 Apr;32(4):323-30. doi: 10.1007/s00132-002-0443-5.