Search Results - "Keel, Matthias"
-
1
Cyclical fluctuations in blood pressure, heart rate and cerebral blood volume in preterm infants
Published in Brain & development (Tokyo. 1979) (01-12-1999)“…Many recently published papers describe cyclical changes of cerebral circulatory variables, mainly in cerebral blood flow velocity (CBFV) performed with…”
Get full text
Journal Article -
2
Oxygen extraction index measured by near infrared spectroscopy--a parameter for monitoring tissue oxygenation?
Published in Advances in experimental medicine and biology (01-01-2009)“…The objective was to assess the ability of near infrared spectrophotometry (NIRS) to detect changes in tissue oxygenation due to alterations in oxygen…”
Get more information
Journal Article -
3
-
4
Sucrose reduces pain reaction to heel lancing in preterm infants : a placebo-controlled, randomized and masked study
Published in Pediatric research (01-09-1995)“…In term infants sucrose given by mouth has been reported to reduce duration of crying after a heel prick. This study was designed primarily to investigate the…”
Get full text
Conference Proceeding Journal Article -
5
Comparison of three methods to measure absolute cerebral hemoglobin concentration in neonates by near-infrared spectrophotometry
Published in Journal of biomedical optics (01-04-2002)“…Three methods by which to determine absolute total cerebral hemoglobin concentration (tHb in micromol/L) by near-infrared spectrophotometry (NIRS) have…”
Get more information
Journal Article -
6
The influence of a clear layer on near-infrared spectrophotometry measurements using a liquid neonatal head phantom
Published in Physics in medicine & biology (01-07-1999)“…It is difficult to test near-infrared spectrophotometry instruments in vivo. Therefore we constructed a liquid phantom which mimics the neonatal head. It…”
Get more information
Journal Article -
7
Continuous noninvasive measurement of cerebral arterial and venous oxygen saturation at the bedside in mechanically ventilated neonates
Published in Critical care medicine (01-09-1997)“…OBJECTIVESTo test the practicability of a new spectrophotometric method using pulse oximetric techniques in combination with special filters for the…”
Get full text
Journal Article -
8
Variability of cerebral hemoglobin concentration in very preterm infants during the first 6 hours of life
Published in Advances in experimental medicine and biology (2005)“…Cerebral hemoglobin concentration (cHbc), a major determinant of oxygen transport capacity in the brain, shows a considerable variability due to physiological…”
Get more information
Journal Article -
9
The influence of a clear layer on near infrared spectrophotometry: comparison of measurements in a liquid neonatal head phantom to infants in vivo
Published in Advances in experimental medicine and biology (2003)“…Near infrared spectrophotometric (NIRS) algorithms to determine the tissue oxygen saturation (TOI) assume a semi-infinite, homogenous tissue geometry. At the…”
Get more information
Journal Article -
10
Effect of Nursing in the Head Elevated Tilt Position (15°) on the Incidence of Bradycardic and Hypoxemic Episodes in Preterm Infants
Published in Pediatrics (Evanston) (01-10-1997)“…We investigated whether nursing in the head elevated tilt position (HETP), compared with the horizontal position, has any effect on the incidence of…”
Get full text
Journal Article -
11
CO2 reactivity of the cerebral hemoglobin concentration in healthy term newborns measured by near infrared spectrophotometry
Published in Biology of the neonate (01-02-1999)“…CO2 reactivity of cerebral hemoglobin concentration was studied in 16 healthy term neonates on days 1 and 4 after birth using the near infrared…”
Get more information
Journal Article -
12
AMINOPHYLLINE REDUCES CYTOCHROME C OXIDASE IN THE BRAIN OF PREMATURE INFANTS
Published in Pediatric research (01-11-1992)Get full text
Journal Article -
13
Impact of central, obstructive and mixed apnea on cerebral hemodynamics in preterm infants
Published in Biology of the neonate (1996)“…The objective of this study was to evaluate the effect of central, obstructive and mixed apnea on cerebral total hemoglobin concentration (tHb), which is…”
Get more information
Journal Article -
14
37 EFFECT OF HEAD ELEVATED PRONE POSITION (15s) ON THE INCIDENCE OF APNEAS IN PRETERM INFANTS
Published in Pediatric research (01-07-1994)Get full text
Journal Article -
15
209 CYCLIC FLUCTUATIONS IN CEREBRAL BLOOD VOLUME (CBV) AND MEAN ARTERIAL BLOOD PRESSURE (MAP) IN PRETERM INFANTS
Published in Pediatric research (01-07-1994)Get full text
Journal Article -
16
Cerebral blood flow measurements by near infrared spectrophotometry in reflectance mode are valid in neonates
Published in Journal of cerebral blood flow and metabolism (01-06-1998)Get more information
Journal Article -
17
Sucrose Reduces Pain Reaction to Heel Lancing in Preterm Infants: A Placebo-Controlled, Randomized and Masked Study
Published in Pediatric research (01-09-1995)Get full text
Journal Article -
18
Sucrose reduces pain reaction to heel prick in preterm infants. A placebo controlled, randomized, and masked study
Published in Pediatric research (01-02-1994)Get full text
Journal Article -
19
Improved monitoring of preterm infants by Fuzzy Logic
Published in Technology and health care (01-08-1996)“…Keeping the oxygenation status of newborn infants within physiologic limits is a crucial task in intensive care. For this purpose several vital parameters are…”
Get more information
Journal Article -
20
Regional differences of cerebral hemoglobin concentration in preterm infants measured by near infrared spectrophotometry
Published in Technology and health care (1999)“…Near infrared spectrophotometry has been used to measure total cerebral hemoglobin concentration (micromol/l) as a major indicator of the oxygen transport…”
Get more information
Journal Article