Intracranial pressure waveform analysis during rest and suctioning

Joanne V. Hickey, DaiWai M. Olson, Dennis A. Turner

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Cerebral compliance is a measure of cerebral adaptability to increases in volume within the intracranial space and an indicator of risk for neurological deterioration. However, no direct measurement of compliance exists in clinical practice to guide nursing care or treatment decisions. Current use of mean intracranial pressure (MICP) and gross morphological intracranial pressure waveform (ICPW) analysis have great variability in predicting outcomes. The purpose of this review and pilot study was to evaluate the effects of suctioning on MICP and other measures estimating cerebral compliance derived from analysis of ICPW on patient outcome. We analyzed arterial blood pressure waveforms (ABPWs), ICPWs, and respiratory cycle variations using Fourier Transform analysis, to explore the potential benefits of studying ICPWs across single cardiac and respiratory cycles using linear modeling and calculation of correlation coefficients. ABPWs, ICPWs, and MICP were measured over individual cardiac cycles across multiple respiratory phases in five critically ill neurological patients. Both direct and derived ICP measures, including Fourier analysis of ABP and ICP and the cross-transform between ABP and ICP, were correlated with patient outcome. This more complex waveform analysis of individual ABPW and ICPW together, and derived measures during both single cardiac and respiratory cycles, may provide information relevant to cerebral compliance and patient outcomes. Pending confirmation with additional data sets, this technique may be a useful real-time clinical tool to provide a measure of compliance and risk of neurological deterioration for clinicians. 2009 The Author(s).

Original languageEnglish (US)
Pages (from-to)174-186
Number of pages13
JournalBiological Research for Nursing
Volume11
Issue number2
DOIs
StatePublished - Oct 2009

Fingerprint

Intracranial Pressure
Compliance
Fourier Analysis
Arterial Pressure
Patient Compliance
Nursing Care
Critical Illness

Keywords

  • Cerebral compliance
  • Fourier analysis
  • ICP waveforms
  • Intracranial pressure monitoring

ASJC Scopus subject areas

  • Research and Theory

Cite this

Intracranial pressure waveform analysis during rest and suctioning. / Hickey, Joanne V.; Olson, DaiWai M.; Turner, Dennis A.

In: Biological Research for Nursing, Vol. 11, No. 2, 10.2009, p. 174-186.

Research output: Contribution to journalArticle

Hickey, Joanne V. ; Olson, DaiWai M. ; Turner, Dennis A. / Intracranial pressure waveform analysis during rest and suctioning. In: Biological Research for Nursing. 2009 ; Vol. 11, No. 2. pp. 174-186.
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