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The goal of cooperative project of the national registry of cardiovascular interventions is analysis of quality of cardiovascular care with risk stratification and assessment of clinical indicators at organizational and individual level. Bayes methodology of stratification and risk prediction is used.

Specialised form of database named DataCube for assessment of quality, outcomes and costs of the healthcare in cardiac surgery was built at the Institute of Clinical and Experimental Medicine (IKEM). Risk stratification of patients was done using Bayes predictive model. Such prediction well correlated with calculated costs. The results achieved promise the system to become an important decision making tool, which may improve identification of high risk patients.

The authors use as a basis experience with a group of 389 patients operated in 1989-1997 on account of degenerative diseases of the cervical spine with neurological manifestations. The results are compared with experience assembled in 1998-1999. In the new group (188 patients with the same diagnosis) the same indication criteria were used but in case of myelopathy associated with multisegmetal cervical stenosis not only multilevel discectomy was performed (as in the previous group) but in addition also 1-3 segmental corpectomy (somatectomy). The results were evaluated separately for both methods used. The authors emphasize the necessity of a radical approach during decompression of neurological structures incl. removal of uncovertebral osteophytes which must be combined with suitable stabilization of the fusions or possibly be supported by instrumentation. In the discussion the authors illustrate in the form of a review the development of anterior cervical corpectomy as one of the methods of an anterior approach to the cervical spine used at first in traumatic and oncological conditions, later extended to operations on account of degenerative, dysplastic conditions and other diseases. The authors wish to help to define criteria for application of corpectomy when treating stenoses of the spinal canal in the cervical region. The indication will be defined in a perspectively followed up group where a detailed clinical and electrophysiological algorithm for examination was submitted as well as postoperative follow-up and processing of the resulting data.