Chpt 13 - Nutrition Assessment - Lake-Sumter State … Documents... · PPT file · Web...
Transcript of Chpt 13 - Nutrition Assessment - Lake-Sumter State … Documents... · PPT file · Web...
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Chapter 13
Nutrition Care and
Assessment
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Nutrition in Health Care• Health problems
Alter nutrition needs
Can lead to malnutrition
• Poor nutrition statusCan influence the
course of disease & body’s response to treatment
• Hospitalized patients40-60% with acute
illness are malnourished
Others decline in nutrition status within 3 weeks
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How Illness Affects Nutrition Status
• Reduced food intake Nausea Inflammation of
mouth Medications can
cause GI upset• Interferes with
digestion & absorption
• Alters metabolism & excretion
• Dietary restrictions for some surgeries or chronic illnesses
• Drain on financial resources
• Unable to prepare food
• Emotional upset
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Responsibility for Nutrition Care
• Registered Dietitians Provide medical
nutrition therapy Assess, diagnose,
develop,implement & evaluate nutrition care plans
Plan & approve menus Provide education
• Registered Dietetic Technician Assist the Registered
Dietitians
• Physicians Prescribe diet orders
• Nurses Screen patients Participate in nutrition
assessments Provide direct nutrition
care• Other team members
such as pharmacists & speech therapists consult
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Identifying Risk for Malnutrition
• Nutrition screening Identifies persons at
risk for nutrition problems
Must be done 24 hours after admission
Should be completed in 5-15 minutes
• ScreeningMedical diagnosisMedical recordPhysical
measurementsLab reportsDiet history
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Planning Care• The Nutrition Care
ProcessNutrition
assessmentNutrition diagnosisNutrition
interventionNutrition
monitoring & evaluation
• The Nursing ProcessAssessmentNursing diagnosisOutcome
identification & planning
ImplementationEvaluation
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The Nutrition Care Process• Assessment
Medical, social, & dietary histories
Anthropometric data Biochemical analysis Physical exam
• Diagnosis Actual or potential Problem, etiology,
signs & symptoms
• Intervention Dietary changes Nutrition education Medication changes
• Monitoring & evaluation May need to modify
the plan Must be flexible
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Historical Information• Medical history
AgeGenderWeightPrescription drugsOTC medicationsDietary
supplementsType of illness
• Social historyCultural heritageFinancial concernsWho prepares and
shops for foodLiving situation
• Diet historyFood intakeMeal patternsPhysical problems
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Dietary Assessment Methods
• 24-hour recallAll foods & beveragesTime of day eatenAmounts consumedFood preparationTypical day?
• Food frequency questionnaire
• Food recordRecorded over
several daysRecorded as
consumedDoes not rely on
memory• Direct observation
Calorie countingTime consuming
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Food Frequency Questionnaire
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Anthropometric Data• Height: Adults• Length
Infants< 24 months
• WeightBMI% Usual body
weight% Ideal body
weight
• Head circumferenceAssesses brain
development< 3 years of age
• Circumference of waist & limbsEvaluates body fatEvaluates muscle
mass
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Biochemical Analysis• Provides information about
Protein-energy nutritionVitamin & mineral statusFluid & electrolyte balanceOrgan functioning
• Analysis of blood & urine samples
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Plasma Proteins• Albumin
Most abundantSlow to reflect
changes in status• Transferrin
Transports iron Indicates PEM &
iron statusSlow to detect
changes in status
• Prealbumin & retinol-binding proteinAlso called
transthyretinResponds quickly
to changes in protein status
Expensive test
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Fluid Imbalance• Edema
Weight gainFacial puffinessSwelling limbsAbdominal
distentionTight-fitting shoes
• Diseases of heart, kidney, liver, lungs
• Dehydration ThirstDry skin or mouthReduced skin tensionDark yellow or amber
urine with low volume• Fever, sweating,
vomiting, diarrhea, burns
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Assessment of Nutrition Status
• Functional AssessmentExercise toleranceRespiratory
muscle strength Immunity
• Integrating assessment dataSubjective Global
Assessment (SGA)Combines
historical information with results of physical examination
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