Continuous Monitoring of Skin Temperature using a Liquid-Crystal Thermometer during Anesthesia

Burgess, G. E.; Cooper, John R.; Marino, Robert J.; Peuler, Martin J.

doi:10.1097/00132586-197906000-00031

Cited by 9 publications

(11 citation statements)

References 0 publications

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“…However, linear regression requires independence of observation; otherwise, the analysis is invalid. Similarly, Burgess et a1 (5) implied that skin temperature assessment functions as a trend indicator, but supporting data were not presented.…”

Section: Discussionmentioning

confidence: 93%

“…Previous studies (5,6) have been presented to support liquid crystal adhesive strip monitoring of shell temperature during surgery as a trend indicator of core temperature. In six male patients undergoing therapeutic systemic hyperthermia, Lees et a1 (6) compared shell and core temperature recorded every 5 minutes for 2 hours.…”

Section: Discussionmentioning

confidence: 99%

“…Commercially available Mylar strips that are impregnated with microencapsulated cholesteric Iiquid crystals have been designed for convenient placement (forehead) on the patient's skin. One brand, the Temp-A-Strip [Jelco Laboratories, Raritan, NJ (TS)], has been suggested for following patient temperatures during and after surgery (5,6).…”

mentioning

confidence: 99%

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Inaccuracy of Liquid Crystal Thermometry to Identify Core Temperature Trends in Postoperative Adults

Vaughan¹,

Cork²,

Vaughan³

1982

Anesthesia & Analgesia

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Inaccuracy of liquid crystal thermometry to identify core temperature trends in postoperative adults. Anesth Analg 1982;61:284-7.In 71 adult postsurgical patients, simultaneous measurement of core (tympanic membrane) and shell (liquid crystal adhesive temperature strip) cutaneous temperature was assessed on admission and every 1 5 minutes throughout the recovery room stay. Tympanic membrane sensors were inserted into the ear and adhesive temperature strips were applied to the forehead. Although temperature strip temperatures on admission to the recovery room were correlated significantly with tympanic membrane temperatures on admission to the recovery room (r = 0.61, p < 0.001), subsequent readings 1 5, 30, 45, and 60 minutes after admission demonstrated decreasing correlation coefficients. Moreover, changes in temperature strip temperatures over the first 15, 30, and 45 minutes of monitoring in the recovery room did not correlate significantly with changes in tympanic membrane temperatures over the same time period. These data suggest that shell temperature (temperature strip) is not a reliable or valid trend indicator of core temperature (tympanic membrane) in postanesthetic adults.

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Section: Discussionmentioning

confidence: 93%

Section: Discussionmentioning

confidence: 99%

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Inaccuracy of Liquid Crystal Thermometry to Identify Core Temperature Trends in Postoperative Adults

Vaughan¹,

Cork²,

Vaughan³

1982

Anesthesia & Analgesia

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“…Like all skin temperature measurements, they will poorly reflect core temperature when the skin is hypoperfused. Forehead skin temperature is typically lower than core temperatures by 2.2° C [2]. Changes in LCD forehead temperature lag behind changes in core temperature by more than 12 minutes [3].…”

Section: Temperature Monitoringmentioning

confidence: 99%

“…Physicians, nurses, and hospital staff frequently report inaccurate respiratory rates possibly due to their underestimating the importance of the measurement [89]. Two studies in which physicians and staff were asked to assess tidal volume and minute ventilation indicate that tidal volume is (1) assessed poorly, (2) frequently overestimated, and (3) not reproducibly assessed on repeat observation [90,91]. In another study, ICU staff had a greater than 20% error more than one-third of the time when recorded respiratory rate was compared with objective tracings [92].…”

Section: Respiratory Monitoringmentioning

confidence: 99%

Routine Monitoring of Critically I11 Patients

Curley

Smyrnios

1990

J Intensive Care Med

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The explosion in computer use and technology during the past several decades has dramatically changed criti cal care. All vital signs can now be monitored accu rately, noninvasively, and continuously. We examined the predominantly noninvasive methods of monitor ing temperature, arterial blood pressure, heart rate and rhythm, respiratory mechanics, and gas exchange that can be used continuously on almost every patient in the intensive care unit. We conclude that temperature should be measured either intermittently with a rectal thermometer or continuously with a rectal, bladder, or great vessel thermocouple or thermistor probe. Arterial pressure should be measured either intermittently with a sphygmomanometer and cuff or continuously with an indwelling arterial catheter, except in specific situa tions when automated indirect monitoring may be use ful. Electrocardiographic rhythm monitoring has been clearly shown to improve prognosis in patients after acute myocardial infarction and should be universal in all intensive care units. Ischemia monitoring may prove beneficial, but its role has not been clearly defined. Re spiratory inductance plethysmography is effective in measuring respiratory rate, tidal volume, and breathing pattern. Pulse oximetry is useful in detecting occult hy poxemia. It should be continuous on most patients. Transcutaneous oxygen and carbon dioxide measure ment has a limited role in monitoring gas exchange and perfusion. Capnography also has a limited role in the intensive care unit but is more helpful in the operating room.

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