Hypothermia During Routine Surgical Procedures

Babcock, Lynn; Black, Hannah; A, Chung; Vs, O'Hara

doi:10.1093/milmed/144.7.487

Cited by 8 publications

(3 citation statements)

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“…The dilliarence in temperature of pulmonary arterial blood between the groups appeared shortly after the induction of anaesthesia and persisted throughout the surgical procedure. In the placebo group, the mean Fall of 0.5"C from the preanaesthesia value was similar to what has been reported previously for rectal temperature in patients undergoing cholecystectomy and hernia repair ( 10). Temperature rose in both groups when anaesthesia lightened towards the end of surgery, and in the immediate postanaesthetic period when shivering normally starts.…”

Section: Discussionsupporting

confidence: 87%

When asleep, one is cooler on beta–blockade than on placebo

Fagher

Magnússon

Monti

et al. 1988

Acta Anaesthesiol Scand

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The effect of beta 1-adrenergic blockade on body temperature was studied during general anaesthesia by means of a thermistor in an indwelling pulmonary arterial catheter. Metoprolol (200 mg daily) or placebo was given double-blind preoperatively for at least 2 weeks to 27 hypertensive patients undergoing abdominal surgery. A significantly greater temperature fall was observed in the metoprolol group compared with the placebo group. Heat production in the rectus abdominis muscle, measured by direct microcalorimetry, was significantly lower after metoprolol. The hypothermic effect of beta-adrenergic blockade during anaesthesia deserves special attention.

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Section: Discussionsupporting

confidence: 87%

When asleep, one is cooler on beta–blockade than on placebo

Fagher

Magnússon

Monti

et al. 1988

Acta Anaesthesiol Scand

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“…Cool skin prep solutions and medications that vasodilate, sedate, or anesthetize patients promote heat loss 12 . Other procedure‐related factors that contribute to hypothermia include inhalation of cool, unhumidified gases; 13 intravenous infusion of cool solutions; 14 irrigation of surgical sites with cool solutions; 15 performance of procedures involving large body surface areas or open body cavities; and lengthy surgical procedures 16 …”

Section: Perioperative Heat Lossmentioning

confidence: 99%

Inadvertent hypothermia in elderly surgical patients

Tappen

Andre²

1996

AORN Journal

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“…This change is caused, in part, by the shift of body heat from the core to the periphery (Shanks 1974 (1971) found that if ambient theatre temperatures were below 24"C, patients may sustain core temperature drops of at least 1°C. Duration of surgery , Holdcroft & Hall 1978 and amount of body fat (Babcock et al 1979, Closs et al 1986) also exert some influence. Moms & Kumar (1972) found that a low relative humidity in the operating theatre increased evaporative heat loss.…”

Section: Thermal Stressesmentioning

confidence: 99%

An investigation into factors that affect oesophageal temperature during abdominal surgery

Hind

1994

Journal of Advanced Nursing

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The purpose of this study was to examine factors which influence changes in body temperature during surgical operation. Variables included were ambient theatre temperature and humidity, duration of surgery, age of patient, index of body fat, blood loss during surgery, and the volume of intravenous fluids received. Subjects were 30 female patients undergoing elective abdominal gynaecological surgery. Body temperature was measured using oesophageal probes and data were collected for the duration of the operation. Patients sustained a mean reduction in oesophageal temperature of 1.03 degree C. Bivariate correlations indicated that ambient temperature, age, body fat, volume of intravenous fluids and blood loss were associated with temperature reduction at the level of < 0.05. Step-wise multiple regression revealed two possible models including ambient theatre temperature, each of which accounted for 70% of the variance. Model 1 included age, while model 2 included volume of intravenous fluids and index of body fat. It was noted that older patients were generally in theatre at a time when the ambient temperature was lowest. Recommendations are made to minimize unnecessary reductions in body temperature during surgery for vulnerable groups, notably elderly and thin patients.

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Hypothermia During Routine Surgical Procedures

Cited by 8 publications

References 0 publications

When asleep, one is cooler on beta–blockade than on placebo

When asleep, one is cooler on beta–blockade than on placebo

Inadvertent hypothermia in elderly surgical patients

An investigation into factors that affect oesophageal temperature during abdominal surgery

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