2014
DOI: 10.1136/archdischild-2014-307079
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Validity and reliability of measurement of capillary refill time in children: a systematic review

Abstract: We recommend use of the following standardised CRT method of measurement: press on the finger for 5 s using moderate pressure at an ambient temperature of 20°C-25°C. A capillary refill time of 3 s or more should be considered abnormal.

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Cited by 51 publications
(76 citation statements)
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“…CRT is also influenced by a variety of factors such as measurement site, compression time, temperature, etc.,474 and it must be recognized that inconsistencies in the method of evaluation may lead to erroneous interpretation 475. However, there are no RCTs conforming to the PICO process, and therefore the benefit‐risk balance is currently unknown but is believed to differ depending on the unique circumstances of individual patients.…”
Section: Cq19: Pediatric Considerationsmentioning
confidence: 99%
“…CRT is also influenced by a variety of factors such as measurement site, compression time, temperature, etc.,474 and it must be recognized that inconsistencies in the method of evaluation may lead to erroneous interpretation 475. However, there are no RCTs conforming to the PICO process, and therefore the benefit‐risk balance is currently unknown but is believed to differ depending on the unique circumstances of individual patients.…”
Section: Cq19: Pediatric Considerationsmentioning
confidence: 99%
“…As there is no evidence for a relationship between CRT and blood pressure, 6 CRT should not be used as a surrogate for blood pressure in children. There is, however, limited evidence to support a relationship between CRT and arterial blood flow, as well as other invasive cardiovascular parameters, such as superior vena cava oxygenation and core-peripheral temperature gap.…”
Section: What Does Crt Measure?mentioning
confidence: 99%
“…CRT can also be affected by the duration of pressure, and the ambient and skin temperatures, with longer duration of pressure and lower temperatures resulting in longer CRTs. 6 The use of a timer to measure CRT is associated with greater inter-observer reliability. 6 Because a timer (for example, a watch) is required for measurement of other vital signs such as heart rate and respiratory rate, it seems reasonable to recommend its use in the measurement of CRT.…”
Section: How Should Crt Be Measured?mentioning
confidence: 99%
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