ESTIMATION OF CRANIOSPINAL COMPLIANCE
Abstract
Objective. The clarification of craniocerebral correlation, biomechanical characteristics of craniospinal system (CSS) and cerebrospinal fluid (CSF) dynamics has the significant importance for diagnostics and treatment of some pathology of central nervous system accompanied by development of hydrocephalic, hypertensive and dislocation syndromes. The widely used method for estimation of biomechanical characteristics and CSF dynamics reduces to performance of infusive-liquor test (partial infusion of physiological saline into CSF system and measurement of CSF pressure dynamics). This method is traumatic that is why it has limited application.
Material and methods. The biomechanical characteristics of CSS (compliance, PVI-index, resistance to CSF absorption, curves of infusive-liquor test) were studied using widespread method of A. Marmarou. The analysis of 126 infusive-liquor examinations of intracranial pressure (ICP) in 116 patients with hypertensive hydrocephaly of various etiology was conducted.
Results. The correlation which could be formalized was determined between ICP, CSS compliance and range of ICP pulse waves. The pulse wave going into brain during systole can be considered as model of infusive test.
Conclusion. The formula based on correlation which allows using physiological liquor dynamics tests with infusion of 2-5 ml of physiological saline for obtaining the accurate data about CSS biomechanical characteristics was created.
About the Authors
Yu. A. Atiskov
Институт специальных технологий Российской академии наук.
Russian Federation
Russian Federation
K. A. Samochernykh
РНХИ им. проф. А. Л. Поленова — филиал СЗФМИЦ им. В.А. Алмазова» Минздрава России.
Russian Federation
Russian Federation
V. A. Khachatryan
РНХИ им. проф. А. Л. Поленова — филиал СЗФМИЦ им. В.А. Алмазова» Минздрава России.
Russian Federation
Russian Federation
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Review
For citations:
Atiskov Yu.A., Samochernykh K.A., Khachatryan V.A. ESTIMATION OF CRANIOSPINAL COMPLIANCE. Russian journal of neurosurgery. 2017;(4):42-49. (In Russ.)
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