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Table 2 Suggestions for a systematic weekly monitoring of metabolic response to feeding, with interpretation of the changes

From: Development and current use of parenteral nutrition in critical care – an opinion paper

Variable Mon Tue Wed Thu Fri Sat Sun Mon Interpretation
Energy balance (daily, accumulated) X X X X X X X X Daily delivery >110% or <80% of prescription: act accordingly to ↓ or ↑ intake
          Cumulated energy target over 3 to 6 days: <−4,000 kcal, beware and increase feeding; <−8,000 (−100 kcal/kg), danger
Glucose 4 4 4 4 4 4 4 4 ↑: suspect overfeeding or infection; →, continue as is; ↓, improving condition
Insulin/24 hours X X X X X X X X  
Triglycerides 1     1    1 ↑: non-nutritional fat intake? Nutritional fat? Sepsis?
ASAT ALAT 1     1    1 ↑: sepsis? Drug toxicity? Overfeeding? Watch for glucose. →, continue
Prealbumin 1        1 ↑: decreased inflammation and improved protein accretion; ↓: worsening of inflammation or insufficient protein intakes
Albumin CRP 1        1 Provide information on level of inflammation and severity of disease
Weight (actual) X     (X)    X ↑: fluid accumulation? ↓: loss of fluid and lean body mass
Se, zn ?         In at-risk patients (CRRT, intestinal fistulae, prolonged feeding)
  1. CRP, C-reactive protein; CRRT, continuous renal replacement therapy; ?, on demand in patients considered at risk.