Journal List > Korean J Gastroenterol > v.71(4) > 1007751

Lee: Nutritional Assessment and Management for Patients with Chronic Liver Disease

Abstract

When liver disease is severe, the prognosis can be worse if the patient is malnourished. Adequate nutritional support for patients with liver diseases can improve the patient's condition and prognosis. In the case of liver cirrhosis, malnutrition can occur due to a variety of causes, including poor oral intake, maldigestion, malabsorption, associated renal disease, and metabolic abnormalities. For a nutritional assessment, it is important to check the dietary intake, change in body composition, including anthropometry, and a functional assessment of muscle. Counselling and oral or enteral nutrition is preferred over parenteral nutrition as in other diseases. If esophageal varices are present, care should be taken when installing a feeding tube, but if there are ascites, percutaneous endoscopic gastrostomy is contraindicated because of the risk of complications. Calories of 30–35 kcal/kg/day and protein from 1.2 to 1.5 g/kg/day are appropriate. Protein restriction is unnecessary unless the hepatic encephalopathy is severe. A late evening snack and branched chain amino acids can be helpful. In the case of cholestasis, the supply of manganese and copper should be restricted. Sarcopenia in patients with liver cirrhosis is also prevalent and associated with the prognosis.

References

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Fig. 1.
Royal Free Hospital-Nutritional Prioritizing Tool. Adapted from Arora et al.11, with permission from J Hepatol.
kjg-71-185f1.tif
Fig. 2.
Royal Free Hospital Global Assessment scheme. BMI, body mass index; MAMC, mid- arm muscle cir-cumference; A, adequate; I, inadequate; N, negligible. Adapted from Morgan et al.21, with permission from Hepatology.
kjg-71-185f2.tif
Table 1.
Summary of Nutrition Screening Tools (Adapted from Tandon et al.10, with permission from Hepatology)
Screening tool (care setting) Advantages Disadvantages Tool components
MUST (community) High interrater reliability Weight from fluid collections (ascites, peripheral edema) not accounted BMI
Content and predictive validity for length of hospital stay and mortality Unplanned weight loss in past 3–6 months
Disease severity not considered
  Practical   Acutely ill and unable to eat for ≥5 days
NRS-2002 (hospital) Content and predictive validity Weight from fluid collections (ascites, peripheral edema) not accounted Weight loss
Moderately reliable Food intake
Practical   BMI
Considers disease severity   Disease severity
NUTRIC (critically ill) Externally validated (n≥1,000 patients) Interleukin-6 not widely available Age
Requires training APACHE II and SOFA scores
Classic nutrition parameters not considered Comorbidities
Days in hospital pre-ICU
  Interleukin-6
MNA (elderly [home-care programs, nursing homes, and hospitals]) Includes physical and mental components plus dietary questionnaire Content validity not reported GI symptoms
Interrater reliability modest Weight loss
Weight from fluid collections (ascites, peripheral edema) not accounted Mobility
Predictive validity for adverse outcome, social functioning, mortality, and doctor visits Psychological stress/acute disease
Disease severity not considered Neuropsychological problems
  BMI
  Practical    
SNAQ (hospital) Simple/practical Weight from fluid collections (ascites, peripheral edema) not accounted Unintentional weight loss
Facilitates identification and treatment of malnourished inpatients Decreased appetite
Disease severity not considered Use of supplements or tube feeding
MST (hospital) Simple/practical Weight from fluid collections (ascites, peripheral edema) not accounted Unintentional weight loss
Predictive validity for length of stay Quantity of weight lost
Excellent reliability Disease severity not considered Decreased appetite
Highly sensitive    
RFH-NPT (ambulatory hospital) Simple/practical Valid in population with cirrhosis only Alcoholic hepatitis or tube feeding
Cirrhosis-specific features Impact of nutritional therapy based on screening score unknown Considers fluid overload
Excellent intraobserver and interobserver reproducibility Dietary intake reduction
    Weight loss+option for assessing diuretic use
  Good external validity  
  Predictive of clinical deterioration and transplant-free survival    
     
CNST (hospital) Simple/practical Weight from fluid collections (ascites, peripheral edema) not accounted Unintentional weight loss
Validated against SGA (sensitivity 67–73%, specificity 80–86%) Dietary reduction
Disease severity not considered  
High reliability Symptoms not considered  

MUST, malnutrition universal screening tool; NRS-2002, nutritional risk screening 2002; NUTRIC, nutrition risk in critically Ill; MNA, mini nutritional assessment; SNAQ, short nutritional assessment questionnaire; MST, malnutrition screening tool; RFH-NPT, royal free hospital-nutritional prioritizing tool; CNST, Canadian nutrition screening tool; BMI, body mass index; APACHE II, acute physiology and chronic health evaluation II; SOFA, sequential organ failure assessment; ICU, intensive care unit; GI, gastrointestinal.

Table 2.
Tools for Assessing the Oral Protein-energy Intake in End Stage Liver Disease (Adapted from Johnson et al.15, with permission from Nutr Clin Pract)
Assessment tool & method Strengths Limitations
Calorie count Does not rely on patient's recall Subjective
 A healthcare professional calculates protein-energy intake based on foods consumed Low cost Portion sizes may not be standard or well documented
No equipment required Often relies on nursing staff to complete
Food diary Low cost Requires instruction by provider
 Patient or caregiver records foods eaten Does not require special equipment Requires a higher level of literacy
 Protein-energy intake is then calculated by a healthcare professional Subjectivity may lead to inaccuracies
Can be very accurate Typically underestimates energy intake
    Time-consuming for provider to analyze intake
Food frequency questionnaire Low cost May not represent foods typically consumed
 Participant is given a list of foods/beverages and indicates how frequently these foods are consumed Quick High level of participant literacy required
  Does not provide data on portion sizes or actual protein-energy intake
 
24-hour recall Low cost May be inaccurate in those with poor memory or encephalopathy
 Participant recalls all foods and beverages consumed over the previous 24 hours Quick
No equipment required Under-reporting of portions and food items consumed may occur in women, those with body issues, or those who are overweight
 Used to estimate protein-calorie intake    
Table 3.
Summary of Nutritional Management in Patients with End Stage Liver Disease
General
 Stepwise approach: counseling, supplements, tube feeding, parenteral nutrition
 Adequate energy intake (total energy 25–40 kcal/kg/day, non-protein energy 25 kcal/kg/day)
 Use indirect calorimetry if available
 Enough protein (1.0–1.5 g/kg/day) without restriction
 Avoid refeeding syndrome
Oral diet
 Small/frequent meals
 Bedtime snack or late evening meal (PM9-AM7)
 High protein
 Avoidance of skipping meals
 ≤2,000 mg sodium daily if ascites/edema present
Enteral nutrition
 Initiate if unable to meet protein-energy needs via oral diet
 Standard, energy-dense formula
 Nasoenteral tube precautions
 Percutaneous gastrostomy tube relatively contraindicated
 Aspiration precautions
Parenteral nutrition
 Indicated only if nutrition needs cannot be met via oral and enteral routes
 Monitor glucose levels closely
 If hyperglycemia present, limit glucose to 2–3 g/kg/d
 ≤1 g/kg/d lipids
 Limit manganese and copper in setting of cholestasis
 Cyclic regimen recommended
 Concentrated solution to prevent fluid overload
TOOLS
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