Clinical review: Brain-body temperature differences in adults with severe traumatic brain injury

Childs, Charmaine; Lunn, Kueh Wern

doi:10.1186/cc11892

Critical Care

Table 2 Differences between brain and body temperature (°C) measurement sites for studies under review

From: Clinical review: Brain-body temperature differences in adults with severe traumatic brain injury

Reference	Core body temperature measurement site	Number of patients	Thermoregulatory interventions (target temperature)	Mean difference (SD) (°C)	95% confidence interval
Rumana et al. [18]	Rectal	30	No thermoregulatory interventions	1.1 (0.6)	(0.89 to 1.31)^a
Zhang et al. [21]	Rectal	18^b	No thermoregulatory interventions	0.8^c
Childs et al. [19]	Rectal	19	No thermoregulatory interventions	-0.04 (0.9)	(-0.13 to 0.05)
Puccio et al. [17]	Rectal	21	No thermoregulatory interventions	-0.4^c
Kirk et al. [14]	Tympanic membrane	20^b	No thermoregulatory interventions	0.9 (0.7)	(0.59 to 1.21)^a
Kirk et al. [14]	Temporal artery	20^b	No thermoregulatory interventions	0.3 (0.4)	(0.12 to 0.48)^a
Kuo et al. [15]	Temporal artery	28^b	No thermoregulatory interventions	0.64 (0.60)	(0.42 to 0.86)^a
Kuo et al. [15]	Rectal	28^b	No thermoregulatory interventions	0.23 (0.45)	(0.06 to 0.40)^a
Henker et al. [16]	Bladder	6^b	Induced hypothermia therapy using hypothermia blankets, iced water lavage, and decreased ventilator circuit temperature (T_bl:32.0 to 33.0°C)	1.0 (0.7)^c
Henker et al. [16]	Rectal	8^b	Induced hypothermia therapy using hypothermia blankets, iced water lavage, and decreased ventilator circuit temperature (T_bl: 32.0 to 33.0°C)	0.8 (0.8)^c
Zhang et al. [21]	Rectal	18^b	24 hours after induced hypothermia therapy using cooler blankets (T_r: 31.5 to 34.9°C)	1.1^c
Soukup et al. [12]	Rectal	58^d	Induced hypothermia therapy (T_br <36.0°C)	-0.2 (0.6)	(-0.24 to -0.16)^a
Tokutomi et al. [13]	Rectal	31^b	Induced hypothermia therapy using water-circulating blankets (T_br = 33.0°C)	0.5 (0.3)	(0.39 to 0.61)^a
Tokutomi et al. [13]	Jugular vein	31^b	Induced hypothermia therapy using water-circulating blankets (T_br = 33.0°C)	0.3 (0.3)	(0.19 to 0.41)^a
Suehiro et al. [20]	Bladder	11	Induced hypothermia therapy using water-cooling blankets (T_br = 36.0 to 37.5°C)	-0.17 (0.02)	(-0.18 to -0.16)^a
Zhang et al. [21]	Rectal	18^b	Induced normothermia using cooler blankets (T_r: 36.5 to 37.0°C)	1.4^c
Soukup et al. [12]	Rectal	58^d	Spontaneous normothermia (T_br: 36.0 to 37.5°C)	0.0 (0.5)	(-0.02 to 0.02)^a
Puccio et al. [17]	Rectal	21	Induced normothermia using intravascular cooling catheters (T_r: 36.0 to 36.5°C)	-0.1^c
Fischer et al. [11]	Bladder	7	Induced normothermia using intravascular cooling device (T_bl = 36.5 °C)	0.1^c
Soukup et al. [12]	Rectal	58^d	Spontaneous hyperthermia (T_br>37.5°C)	0.3 (0.5)	(0.28 to 0.32)^a
Soukup et al. [12]	Rectal	58^d	Spontaneous hypothermia (T_br <36.0°C)	-0.8 (1.4)	(-1.03 to -0.57)^a

^aMean difference, standard deviation (SD), and 95% confidence interval; data calculated by reviewers using 'raw' data values provided in the respective publications.
^bMultiple recruitment categories. ^cUnable to calculate SD and/or 95% CI due to insufficient 'raw' data in publication. ^dAuthors did not specify patients in each group. T_bl, bladder temperature; T_br, brain temperature; T_r, rectal temperature.

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