Tailoring nutrition therapy to illness and recovery

Table 1 Summary of caloric needs of critically ill and healthy individuals in the context of the Minnesota Starvation Study and actual current ICU calorie delivery

	Mean REE (kcal/day)	TEE (kcal/day)	TEE/weight (kcal/kg/day)
Uehara et al., ICU study [12]
Sepsis patients (mean age 67)
Week 1	~ 1854	1927 ± 370	25 ± 5
Week 2		3257 ± 370	47 ± 6
Trauma patients (mean age 34)
Week 1	~ 2122	2380 ± 422	31 ± 6
Week 2		4123 ± 518	59 ± 7
WHO calorie requirements, healthy subjects^a
Men		~ 3000	44 (range 35–53)
Women		~ 2500	36 (range 29–44)
Minnesota Starvation Study calorie delivery		Delivered energy (kcal/day)	Delivered energy/weight (kcal/kg/day)
Baseline period		3200	~ 50
Starvation period		~ 1800	23–30
Recovery period delivery (for recovery to occur)		~ 4000	~ 60

Actual average 1034 kcal/day delivered in critically ill patients over first 12 days of ICU stay [15]
REE resting energy expenditure, TEE total energy expenditure, WHO World Health Organization
^aData for a healthy 70-kg person with intermediate physical activity (1.75 physical activity level factor). Reference: http://www.fao.org/docrep/007/y5686e/y5686e00.htm#Contents

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