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Multiparametric monitoring of tissue vitality in clinical situations

Mayevsky, Avraham ; Manor, Tamar ; Meilin, Sigal ; Razon, Nisim ; Ouknine, George E ; Ornstein, Eugene

SPIE 2001

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  • Título:
    Multiparametric monitoring of tissue vitality in clinical situations
  • Autor: Mayevsky, Avraham ; Manor, Tamar ; Meilin, Sigal ; Razon, Nisim ; Ouknine, George E ; Ornstein, Eugene
  • Notas: Conference Date: 2001-01-20|2001-01-26
    Conference Location: San Jose, CA, United States
  • Descrição: The monitoring of various tissue's physiological and biochemical parameters is one of the tools used by the clinicians to improve diagnosis capacity. As of today, the very few devices developed for real time clinical monitoring of tissue vitality are based on a single parameter measurement. Tissue energy balance could be defined as the ratio between oxygen or energy supply and demand. In order to determine the vitality of the brain, for example, it is necessary to measure at least the following 3 parameters: Energy Demand--potassium ion homeostasis; Energy Supply-- cerebral blood flow; Energy Balance--mitochondrial NADH redox state. For other tissues one can measure various energy demand processes specific to the tested organ. We have developed a unique multiparametric monitoring system tested in various experimental and clinical applications. The multiprobe assembly (MPA) consists of a fiber optic probe for measurement of tissue blood flow and mitochondrial NADH redox state, ion selective electrodes (K+, Ca2+, H+), electrodes for electrical activities (ECoG or ECG and DC potential), temperature probe and for monitoring the brain - Intra Cranial Pressure probe (ICP). The computerized monitoring system was used in the neurological intensive care unit to monitor comatose patients for a period of 24-48 hours. Also, a simplified MPA was used in the neurosurgical operating room or during organ transplantation procedure. It was found that the MPA could be used in clinical situations and that the data collected has a significant diagnosis value for the medical team.
  • Editor: SPIE
  • Data de criação/publicação: 2001
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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