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- Title
The ‘Ermenonville’ classification of observations at coronary angioscopy—evaluation of intra- and inter-observer agreement.
- Authors
HEIJER, P. DEN; FOLEY, D. P.; HILLEGE, H. L.; LABLANCHE, J. M.; VAN DIJK, R. B.; FRANZEN, D.; MORICE, M. C.; SERRA, A.; DE SCHEERDER, I. K.; SERRUYS, P. W.; LIE, K. I.
- Abstract
A European coronary angioscopy working group has been established to create and evaluate a classification system for angioscopic observation. The ‘Ermenonville’ classification features items, graded in 3–5 categories, such as lumen diameter, shape of narrowing, colours of surface, atheroma, dissection, thrombus, etc. Inter- and intra-observer agreement on the interpretation of angioscopic images, using this classification system, was studied within the working group. Kappa values for chance-corrected intra-observer agreement of the diagnostic items were 0.51–0.67. The mean kappa values for inter-observer agreement were very low at 0.13–0.29. The important items, such as red thrombus and dissection were studied after recoding as either present or absent. These items proved to have a good intra-observer agreement, and an acceptable inter-observer agreement after recoding. Other angioscopic diagnoses should be made with caution. Multicentre angioscopy studies should make use of an angioscopy core laboratory. A set of definitions for coronary angioscopy is proposed, and this working group will re-evaluate observer agreements using these definitions.
- Publication
European Heart Journal, 1994, Vol 15, Issue 6, p815
- ISSN
0195-668X
- Publication type
Article
- DOI
10.1093/oxfordjournals.eurheartj.a060590