clinical dietitians petra teufl, nzrd who we are and what we do…
TRANSCRIPT
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Clinical Dietitians
Petra Teufl, NZRD
Who we are and what we do…
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Aims
To gain an understanding of the role of Dietitians and the multi-disciplinary team
To increase awareness of how certain conditions impact on nutritional status
To increase awareness of how malnutrition is assessed and treated
To improve understanding of the link between wound healing and nutrition
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What do Dietitians do?
Registered health professionals Assess, diagnose and treat diet and nutrition
problems Individuals and groups Public Health, Primary Health, Foodservice,
Food Industry Evidence based practice Translate research into practical guidance Nutrition experts!
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Dietitians and NutritionistsWhat’s the difference?
Dietitians NutritionistsScope of practice Medical nutrition
Lifestyle nutrition Practice based on current scientific evidence
Lifestyle nutrition only May or may not be based on current scientific evidence
Government regulation
Yes (Dietitian Act 1950) No
Training required Undergraduate degree in Human Nutrition Post Graduate/Masters in Dietetics
May have a qualification in Human Nutrition
Registration Yes mandatory under the Health Practitioners Competence Assurance (HPCA) Act 2003
No, voluntary
Licensing body NZ Dietitians Board Nutrition Society of NZ
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Who do we see?
At risk or Malnourished patients Patients with known disease states
Liver disease, IBS, CRF, COPD, Diabetes, Cancer, Diverticular disease.
Increased nutritional requirements Wound healing
Texture modified diets Micronutrient deficiencies Nutrition education
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Hospital Menus
21 different menus, currently 2 week cycle Standard (suitable for Diabetics)
Sufficient to facilitate weight loss for overweight/obese patient if not eating food from home
HEP (High energy and protein menu) Vegan, Dairy free, Renal specific, Low sodium Texture modified
Soft Dysphagic, Minced and moist, Pureed Mildly / Moderately thickened fluids
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Malnutrition – a hospital problem
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Malnutrition at WDHB 28% admitted at med-high risk Of those, 36% referred to dietitian
Consequences of Malnutrition??↑ length hospital stay↑ risk of infection ↑ depression, apathy, self neglect↓ recovery from illness
↓ wound healing capacity↓ respiratory muscle function↓ muscle strength (poorer performance at physio)↓ function / quality of life
Malnutrition costs more than obesity
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Malnutrition screening
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Section One
Measure weight and height Actual weight measurement always
preferred Unable to measure height?
Try measuring the ulna length
Unable to do either? Try MUAC
Work out BMI (see chart on the back)
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Section Two
Unintentional weight loss in the last 6 months While weighing the patient ask what they usually weigh and if
they think they have lost weight. If a patient doesn’t know their usual weight – ask if jewellery
is looser, clothes baggier etc
Rule of thumb: no weight loss = <5% some weight loss= 5-10% lots of weight loss = >10%
% wt loss chart available to help work it out
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Section Three
“There has been or is likely to be little/no nutritional intake for >5 days and acutely unwell”
Looking for patients consistently eating <1/3 meals, or patients been on NBM/Preoperative clear fluids for a long time and not progressing
Patients who aren’t eating because they don’t like the food, or don’t have their dentures are not necessarily going to score a yes on this question – are there things you can do as their nurse to help this out?
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Practice: Ulna length to height
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Identifying High Risk Patients
Underweight (BMI < 18.5kg/m2)
Unplanned weight loss >10%
NBM / no nutrition > 5 days
i.e. Must score 2 or greater refer to Dietitian
MUST Screen: Refer to Dietitian
ASAP
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What can you do?
Ask: patient’s weight/height of usual reported weight
Have they lost weight recently without meaning to?
O/E - Do they look very thin or wasted?
Visible signs of subcutaneous fat and muscle wasting
Weigh your patient regularly, complete MUST screening
Monitor: How long have they been NBM?
If in doubt, discuss with Dietitian
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Other scores
Score 0- no intervention. Re-screen weekly
Score 1-place on HEP menu, start food diaries for 3 days and re-screen weekly
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Neurology patients
Factors affecting nutritional status
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Impact of neurological conditions
Perception Planning &
sequencing Neglect Behaviour Aphasia Apraxia
Memory Appetite control Hemiplegia Ataxia Psychological effects Dysphagia
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Screening and assessment
Malnutrition risk screening1, 2
High risk patients referred to dietitian Patients with dysphagia 1,3
Often referred by SLTs Assessment:
Anthropometry Biochemistry Clinical Dietary intake Estimate requirements - predictive equations (Schofield,
Harris Benedict), ESPEN/ASPEN guidelines Monitoring
1NICE Stroke (2008), 2Stroke Foundation Guidelines (2010)
3 New Zealand Guideline for management of stroke
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Oral Nutrition Support Patient will not receive supplements unless Dietitian referral
made Ensures patients receive correct supplement for their disease state
(eg. CRF, Liver disease, Diabetes, wound healing, malnutrition – different disease states may require different dose/type/times of administration)
Allows full nutritional assessment to be completed Ensures requirements for special authority applications fulfilled
Food first approach prior to supplementation Ensures prescriptions correctly provided, follow up arranged
Different strengths / formulations 1 kcal/ml : Ensure/ Fortisip Powder, Diasip 1.2kcal/ml : Cubitan 1.5kcal/ml : Fortisip, Ensure plus, concentrated Ensure/Fortisip powder 2 kcal/ml : 2 Cal HN (high nitrogen formula) 4.5kcal/ml : Calogen (fat emulsion)
Please refer to Dietitian if you feel your patient may require supplementation
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Oral nutrition support in dysphagia
Identification of all factors contributing to poor nutrition status – MDT approach
Food first – strategies to improve nutritional density of modified texture diets
Fortification strategies Prepared supplementary products e.g. sip feeds
Standards & Definitions for Texture Modified Foods and Fluids (2007) NICE Adult Nutrition Support (2006)
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Considering artificial nutrition support?
IS GUT FUNCTIONING?
NORMAL DIET OR SLT RECOMMENDS
TEXTURE MODIFIED DIET& FLUIDS
ENTERALTUBE
FEEDING
TPN OR COMFORT
CARES
DIETITIAN ASSESSMENT &ADVICE TO ACHIEVEADEQUATE INTAKE
IS ORAL INTAKE SUFFICIENT?
PEGFEEDING
NGTUBE
FEEDING
YES NO
YES
NO LONG TERM >6-8 weeksSHORT TERM
YESNO
NO
CAN PATIENTSWALLOW?
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Enteral nutrition support in dysphagia
Ethical considerations Consent MDT approach – prognosis? Methods of enteral nutrition support
Nasogastric (NGT) vs Percutaneous endoscopic gastrostomy (PEG)
Timing of initiation of enteral nutrition support Hours of feeding and rehab Withdrawal of enteral nutrition support
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Routes of enteral feeding
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Wound Healing and Nutrition
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Wound healing and nutrition
Malnourished patients are at high risk of developing pressure areas.
Good nutrition has been shown to be effective at facilitating wound healing
October 2011 November 2011 December 2011
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The role of Arginine Arginine, the substrate for nitric oxide
synthase, was first noted to enhance wound healing in 1978
Dietary arginine supplementation has been shown to improve collagen deposition and wound strength in human and animal models
Studies have clearly indicated the role of L-Arginine in wound healing. The evidence is strongest in the treatment of Pressure Ulcers.
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Practice time
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Mrs S
Mrs S has been in hospital for the last three days with pneumonia. She has been managing to eat about ½ her meals. While you are helping her change she comments on her cardigan being too big now. You weigh her later in the day and she is 48kg, but thinks when she was at the doctors in December she was 52kg. Her height is 1.54m.
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Mr T
Mr T was admitted with abdominal pain and underwent a cholecystectomy 5 days ago. He had seen a dietitian last year and his weight had decreased from 110kg to 90kg with dietary changes and exercise. He currently is NBM as he has had some complications post surgery. He is 1.8m tall.
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Case Study
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Case Study
Feb 2011 84yr female, found by family at home on floor after
collapsing approx two days prior Left sided paralysis and slurred speech Admitted to acute stroke ward Malnutrition risk screen = 4+ Weight 36.5kg, BMI 16.2kg/m2 Weight loss of 12% over previous 2 months
SLT NBM
Dietitian Nasogastric feed
Discharge planning started ?PH Transferred to stroke rehab ward mid-March
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Initial Dietetic Assessment
How many days NBM so far? Calculate risk, prevent, monitor and treat refeeding syndrome Ability and speed of feeding to meet fluid and nutritional
requirements
Current weight/previous weight/ weight history Biochemistry
Na, PO4, K+, Mg2+, Ca2+, Glucose, Albumin, prealbumin
Hydration – IVF/SCF Pressure areas
prevention and monitoring, provision of nutrients Time, rate, duration of feeding
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Case Study
4 weeks post admission Commenced oral trials with SLT, little progress Team wanting to discharge patient Gastrostomy (PEG) – overnight feed
5 weeks post admission -trialled puree diet Titrated feed + fortified puree diet & moderately thickened fluids Food diary – reduced feed accordingly Poor intake of thickened fluids – top up PEG water flushes
7 weeks post admission – Minced and moist diet Fatiguing quickly during meals High calorie yoghurt/snacks, high energy and protein thickened
supplement Bolus PEG feeds
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Case Study
Discharged to daughter’s home Sitting in a wheelchair Communicating Dysphagia continuing to improve Able to self feed Minced and moist, thickened fluid education from SLT &
DT PEG Care and instructions Referral to community DT and SLT
PEG was removed 3 months post-discharge Weight 42kg, BMI 18.6kg/m2
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Summary
Dietitians assess, diagnose and treat nutrition problems
Neurological conditions increase risk of undernutrition
Undernutrition has a negative effect on outcomes – eg pressure areas, rehab potential
Treatment is individualised Teamwork allows better coordination of care for the
patient
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Questions?