Professor of Medicine Queen’s University, Kingston General Hospital Kingston, Ontario
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Transcript of Professor of Medicine Queen’s University, Kingston General Hospital Kingston, Ontario
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Professor of MedicineQueen’s University, Kingston General HospitalKingston, Ontario
Daren K. Heyland, MD, MSc, FRCPC
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Disclosure of PotentialConflicts of Interest
I have received research grants and speaker honoraria from the following companies:– Nestlé Canada
– Fresenius Kabi AG
– Baxter
– Abbott Laboratories
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Objectives
Describe optimal amounts of protein/calories required for ICU patients
Describe rationale for the novel components of the PEP uP protocol
Describe strategies to effectively implement this protocol in your ICU
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Early EN* (within 24-48 Hours of Admission) Is Recommended!
Optimal amount of protein and calories for critically ill patients?
* EN: enteral feeding
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Optimal Amount of Calories for Critically Ill Patients: Depends on how you slice the cake!
Heyland DK, et al. Crit Care Med. 2011;39(12):2619-26.
Optimal amount =
80-85%
Association Between 12-day Caloric Adequacy
and 60-day Hospital Mortality
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Rice TW, et al. JAMA. 2012;307(8):795-803.
Initial Tropic vs. Full EN in Patients with Acute Lung Injury
The EDEN randomized trial
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Still no measure of physical function!
Initial Tropic vs. Full EN in Patients with Acute Lung Injury
The EDEN randomized trial
Rice TW, et al. JAMA. 2012;307(8):795-803.
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Enrolled 12% of patients screened
Initial Tropic vs. Full EN in Patients with Acute Lung Injury
The EDEN randomized trial
Rice TW, et al. JAMA. 2012;307(8):795-803.
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Trophic vs. Full EN in Critically Ill Patients with Acute Respiratory Failure
Average age 52Few comorbiditiesAverage BMI* 29-30All fed within 24 hours (benefits of early EN)Average duration of study intervention 5 days
No effect in young, healthy, overweight patients who have short stays!
Alberda C, et al. Intensive Care Med. 2009;35(10):1728-37.* BMI: body mass index
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Trophic vs. Full EN in Critically Ill Patients with Acute Respiratory Failure
“Survivors who received initial full-energy EN were more likely to be discharged home with or without help as compared to a rehabilitation facility (68.3% for the full-energy group vs. 51.3% for the trophic group; p = .04).”
Rice TW, et al. Crit Care Med. 2011;39(5):967-74.
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ICU Patients Are Not All Created Equal…Should we expect the impact of nutrition
therapy to be the same across all patients?
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High Nutrition Risk Patients Benefit from More EN Whereas Low Risk Do Not
Interaction Between NUTRIC Score and Nutritional Adequacy (n = 211)*
p-value for the interaction = 0.01
Heyland DK, et al. Crit Care. 2011;15(6):R268.
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More (and Earlier) is Better for High Risk Patients!
If you feed them (better!)They will leave (sooner!)
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Failure Rate
Unpublished observations. Results of 2011 International Nutrition Survey (INS).
% high risk patients who failed to meet minimal quality targets (80% overall energy adequacy)
75.6 78.1
91.2
75.1
87.0
69.8
79.9
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The same thinking that got you into this mess won’t get you out of it!
Can we do better?
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Different feeding options based on hemodynamic stability and suitability for high volume intragastric feeds.
In select patients, we start the EN immediately at goal rate, not at 25 ml/hr.
We target a 24 hour volume of EN rather than an hourly rate and provide the nurse with the latitude to increase the hourly rate to make up the 24 hour volume.
Start with a semi elemental solution, progress to polymeric.Tolerate higher GRV* threshold (300 ml or more).Motility agents and protein supplements are started
immediately, rather than started when there is a problem.
The Efficacy of Enhanced Protein-Energy Provision via the Enteral Route in Critically Ill Patients:
The PEP uP Protocol!
A major paradigm shift in how we feed enterallyHeyland DK, et al. Crit Care. 2010;14(2):R78.* GRV: gastric residual volume
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Initial Efficacy and Tolerability of Early EN with Immediate or Gradual Introduction in Intubated Patients
Desachy A, et al. Intensive Care Med. 2008;34(6):1054-9.
This study randomized 100 mechanically ventilated patients (not in shock) to immediate goal rate vs. gradual ramp up (our usual standard).
The immediate goal group received more calories with no increase in complications.
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Initial Efficacy and Tolerability of Early EN with Immediate or Gradual Introduction in Intubated Patients
Desachy A, et al. Intensive Care Med. 2008;34(6):1054-9.
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Rather Than Hourly Goal Rate, We Changed to a 24 Hour Volume-based Goal. Nurse Has
Responsibility to Administer That Volume over the 24 Period with the Following Guidelines
If the total volume ordered is 1,800 ml the hourly amount to feed is 75 ml/hour.
If patient was fed 450 ml of feeding (6 hours) and the tube feeding is on “hold” for 5 hours, then subtract from goal volume the amount of feeding patient has already received.
– Patient now has 13 hours left in the day to receive 1,350 ml of tube feeding.– Divide remaining volume over remaining hours (1,350 ml/13 hours) to determine
new hourly goal rate.– Round up so new rate would be 105 ml/hr for 13 hours.– The following day, at shift change, the rate drops back to 75 ml/hour.
Volume ordered per 24 hours 1,800 ml - tube feeding in (current day) 450 ml = Volume of feeding remaining in day to feed.
(1,800 ml - 450ml = 1,350 ml remaining to feed)
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Resuscitation is the priority
No sense in feeding someone dying of progressive circulatory failure
However, if resuscitated yet remaining on vasopressors:
What about feeding the hypotensive patient?
Safety and efficacy of EN??
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Feeding the hypotensive patient?
Khalid I, et al. Am J Crit Care. 2010;19(3):261-8.
Prospectively collected multi-institutional ICU database of 1,174 patients who required mechanical ventilation for more than two days and were on vasopressor agents to support blood pressure.
The beneficial effect of early feeding is more evident in the sickest patients, i.e., those on multiple vasopressor agents.
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“Trophic Feeds”
Progressive atrophy of villous height and crypt depth in absence of EN.
Leads to increased permeability and decreased IgA** secretion.
Can be preserved by a minimum of 10-15% of goal calories.
Observational study of 66 critically ill patients suggests TPN†
+ trophic feeds associated with reduced infection and mortality compared to TPN alone1. A = No EN; B = 100% EN
1Marik. Crit Care & Shock. 2002;5:1-10;Ohta K, et al. Am J Surg. 2003;185(1):79-85.
Just say noto NPO*
* NPO: nothing per os; ** IgA: immunoglobulin A; † TPN: total parenteral nutrition.
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Begin 24 hour volume-based feeds. After initial tube placement confirmed, start Pepatmen® 1.5. Total volume to receive in 24 hours is 17 ml x weight (kg)= <write in 24 target volume>. Determine initial rate as per Volume Based Feeding Schedule. Monitor gastric residual volumes as per Adult Gastric Flow Chart and Volume Based Feeding Schedule. OR Begin Peptamen® 1.5 at 10 ml/h after initial tube placement confirmed. Hold if gastric residual volume > 500 ml and ask Doctor to reassess. Reassess ability to transition to 24 hour volume-based feeds next day. {Intended for patient who is hemodynamically unstable (on high dose or escalating doses of vasopressors, or inadequately resuscitated) or not suitable for high volume EN (ruptured AAA, upper intestinal anastomosis, or impending intubation)}OR
NPO. Please write in reason: __________________ ______. (only if contraindication to EN present: bowel perforation, bowel obstruction, proximal high output fistula. Recent operation and high NG* output not a contraindication to EN.) Reassess ability to transition to 24 hour volume-based feeds next day.
Stable patients should be
able to tolerate goal rate We use a concentrated solution to maximize
calories per ml
Doctors need to justify why they are keeping
patients NPO
If unstable or unsuitable, just use trophic feeds
We want to minimize the use of NPO but if selected, need to reassess next day
The PEP uPProtocol
Note, there are only a few absolute
contraindications to EN
Note indications for trophic feeds
* NG: nasogastric
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It’s Not Just About Calories...
So in order to minimize this, we order: Protein supplement Beneprotein® 14 grams mixed
in 120 mls sterile water administered BID via NG
Loss of lean muscle mass
Inadequate protein intake
Immune dysfunction
Weak prolonged mechanical ventilation
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113 select ICU patients with sepsis or burns
On average, receiving 1,900 kcal/day and 84 grams of protein
No significant relationship with energy intake but…
Allingstrup MJ, et al. Clin Nutr. 2012;31(4):462-8.
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Pro-motility Agents
“Based on 1 level 1 study and 5 level 2 studies, in critically ill patients who experience feed intolerance (high gastric residuals, emesis), we recommend the use of a pro-motility agent”.
Conclusion: 1) Motility agents have no effect on mortality or
infectious complications in critically ill patients.
2) Motility agents may be associated with an increase in gastric emptying, a reduction in feeding intolerance and a greater caloric intake in critically ill patients.
2009 Canadian CPGs www.criticalcarenutrition.com
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Other Strategies to Maximize the Benefits and Minimize the Risks of ENMotility agents started at initiation of EN rather
that waiting till problems with high GRV develop.– Maxeran® 10 mg IV q 6h (halved in renal failure)– If still develops high gastric residuals,
add erythromycin 200 mg q 12h– Can be used together for up to 7 days
but should be discontinued when not needed any more
– Reassess need for motility agents daily
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A Change to Nursing Report
Adequacy of nutrition support =
24 hour volume of EN receivedVolume prescribed to meet caloric
requirements in 24 hours
Please report this % on
rounds as part of the GI
systems report
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When performance is measured, performance improves. When performance is
measured and reported back, the rate of improvement accelerates.
Thomas Monson
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Efficacy of Enhanced Protein-Energy Provision via the Enteral Route in
Critically Ill Patients: The PEP uP Protocol
Daren K. HeylandProfessor of MedicineQueen’s UniversityKingston General HospitalKingston, Ontario
A multi-center cluster randomized trial
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Research QuestionsPrimary: What is the effect of the new innovative feeding
protocol, the Enhanced Protein-Energy Provision via the Enteral Route Feeding Protocol (PEP uP protocol), combined with a nursing educational intervention on EN intake compared to usual care?
Secondary: What is the safety, feasibility and acceptability of the new PEP uP protocol?
Our hypothesis is that this aggressive feeding protocol combined with a nurse-directed nutrition educational intervention will be safe, acceptable, and effectively increase protein and energy delivery to critically ill patients.
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Design
Protocol utilized in all patient mechanically intubated within the first 6 hours after ICU admission
Focus on those who remained mechanically ventilated > 72 hours
18 sites
Control
Intervention
Baseline Follow-up6-9 months later
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Bedside Written Materials DescriptionEN initiation orders Physician standardized order sheet for starting EN.
Gastric feeding flow chart Flow diagram illustrating the procedure for management of gastric residual volumes.
Volume-based feeding schedule Table for determining goal rates of EN based on the 24 hour goal volume.
Daily monitoring checklist Excel spreadsheet used to monitor the progress of EN.
Materials to Increase Knowledge and Awareness
Study information sheetsInformation about the study rationale and guidelines for implementation of the PEP uP protocol. Three versions of the sheets were developed targeted at nurses, physicians, and patients’ family, respectively.
PowerPoint presentationsInformation about the study rationale and how to implement the PEP uP protocol. A long (30-40 minute) and short (10-15 minute) version were available.
Self-learning module Information about the PEP uP protocol and case example to work through independently.
Posters A variety of posters were available to hang in the ICU during the study.Frequently Asked Questions (FAQ) document Document addresses common questions about the PEP uP Protocol.
Electronic reminder messages Animated reminder messages about key elements of the PEP uP protocol to be displayed on a monitor in the ICU.
Monthly newsletters Monthly circular with updates about the study.
Tools to Operationalize the PEP uP Protocol
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Analysis
3 overall analyses:
– ITT* involving all patients (n = 1,059)
– Efficacy analysis involving only those that remain mechanically ventilated for > 72 hours and receive the PEP uP protocol (n = 581)
– Those initiated on volume-based feeds
* ITT: intention to treat
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Flow of Clusters (ICUs) and Patients
Through the Trial
45 ICUs with < 50% nutritional intake in 2009 International Nutrition Survey assessed for eligibility
18 Randomized
9 assigned to intervention group 9 assigned to control group
522 patients met eligibility requirements and were enrolled
and included in ITT analysis.
537 patients met eligibility requirements and were enrolled and included in ITT analysis.
306 patients included in efficacy analysis
230 on MV ≤ 72 hours 1 did not receive
the PEP uP protocol
197 on MV ≤ 72 hours 55 did not receive
the PEP uP protocol
270 patients included in efficacy analysis
61 patients initiated on 24 hour volume feeds
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Participating Sites Intervention (n = 9) Control (n = 9) p-valuesHospital type
Teaching Non-teaching
4 (44.4%)5 (55.6%)
4 (44.4%)5 (55.6%)
1.00
Size of hospital (beds) Mean (range) 396.9 (139.0, 720.0) 448.7 (99.0, 1000.0) 0.97
ICU structure Open
Closed 3 (33.3%)6 (66.7%)
4 (44.4%)5 (55.6%)
1.00
Case type Medical
Neurological Surgical
Neurosurgical Trauma
Cardiac surgery Burns Other
9 (40.9%)3 (13.6%)5 (22.7%)2 (9.1%)1 (4.5%)0 (0.0%)1 (4.5%)1 (4.5%)
9 (36.0%)2 (8.0%)
8 (32.0%)2 (8.0%)2 (8.0%)1 (4.0%)1 (4.0%)0 (0.0%)
0.97
Size of ICU (beds) Mean (range) 12.6 (7.0, 20.0) 16.3 (8.0,25.0) 0.12
Full time equivalent dietician (per 10 beds)
Mean (range) 0.5 (0.3, 0.9) 0.4 (0.0, 0.6) 0.76
Regions Canada
USA4 (44.4%)5 (55.6%)
5 (55.6%)4 (44.4%)
1.00
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Intervention Control Baseline Follow-up Baseline Follow-up p-value
n 270 252 270 267Age
Mean ± SD 65.1 ± 15.5 64.1 ± 16.7 63.4 ± 15.1 61.4 ± 16.2 0.45Sex
Male (%) 157 (58.1%) 137 (54.4%) 170 (63.0%) 173 (64.8%)0.56
Admission category Medical
Elective surgery Emergent surgery
230 (85.2%)
14 (5.2%)26 (9.6%)
222 (88.1%)12 (4.8%)18 (7.1%)
213 (78.9%)23 (8.5%)
34 (12.6%)
212 (79.4%)23 (8.6%)30 (11.2%)
0.24
Admission diagnosis Cardiovascular/vascular
Respiratory Gastrointestinal
Neurologic Sepsis
Trauma Metabolic
Hematologic Other non-operative conditions
Renal-operative Gynecologic-operative
Orthopedic-operative Other operative conditions
40 (14.8%)110 (40.7%)35 (13.0%)19 (7.0%)37 (13.7%)
0 (0.0%)11 (4.1%)1 (0.4%)7 (2.6%)2 (0.7%)1 (0.4%)1 (0.4%)6 (2.2%)
43 (17.1%)112 (44.4%)19 (7.5%)19 (7.5%)20 (7.9%)2 (0.8%)15 (6.0%)0 (0.0%)15 (6.0%)0 (0.0%)0 (0.0%)1 (0.4%)6 (2.4%)
31 (11.5%)78 (28.9%) 29 (10.7%) 30 (11.1%) 57 (21.1%)17 (6.3%)13 (4.8%)0 (0.0%)5 (1.9%)0 (0.0%)0 (0.0%)1 (0.4%)9 (3.3%)
51 (19.1%)81 (30.3%)29 (10.9%)28 (10.5%)25 (9.4%)18 (6.7%)6 ( 2.2%)1 (0.4%)7 (2.6%)3 (1.1%)1 (0.4%)3 (1.1%)
12 (4.5%)
.und
APACHE II score Mean ± SD 23.0 ± 7.2 23.5 ± 7.1 21.1 ± 7.3 21.1 ± 7.3 0.53
Patient Characteristics
(n = 1,059)
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Patient Nutrition Assessment Information (All patients – n = 1,059)
Intervention Control Baseline Follow-up Baseline Follow-up p-value
n 270 252 270 267Height
Mean ± SD 1.7 ± 0.1 1.7 ± 0.1 1.7 ± 0.2 1.7 ± 0.1 0.55
Weight Mean ± SD 81.0 ± 25.3 81.4 ± 26.3 83.5 ± 26.5 83.7 ± 22.6 0.77
Body mass index (kg|m2)Mean ± SD 28.6 ± 8.2 28.6 ± 9.6 29.1 ± 8.1 28.6 ± 7.0 0.96
Prescribed energy intake (kcals)Mean ± SD 1,776.6 ± 352.4 1,774.8 ± 339.3 1,768.6 ± 412.1 1,784.4 ± 387.9 0.82
Prescribed protein intake (g)Mean ± SD 86.0±22.2 86.0 ± 19.8 99.9 ± 29.6 100.1 ± 27.8 0.09
Prescribed energy intake by weight (kcals|kg)
Mean ± SD 23.3 ± 5.9 23.2 ± 5.9 22.1 ± 4.9 22.3 ± 5.5 0.79
Prescribed protein intake by weight (g|kg)
Mean ± SD 1.1 ± 0.3 1.1 ± 0.3 1.2 ± 0.3 1.2 ± 0.3 0.26
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Clinical Outcomes (All patients – n = 1,059)
Intervention Controlp-value
Baseline Follow-up Baseline Follow-upLength of ICU stay (days)*
Median (IQR†)
6.1 (3.4,11.1)
7.2 (3.4,11.1)
6.4 (3.3,12.6)
5.7 (2.8,11.8) 0.35
Length of hospital day (days)*
Median (IQR)
14.2 (8.1,29.8)
13.5 (8.1,28.4)
16.7 (7.5,27.7)
13.8 (7.1,26.6) 0.73
Length of mechanical ventilation (days)*
Median (IQR)
3.7 (1.6,9.1)
4.3 (1.3,9.9)
3.1 (1.4,8.4)
3 (1.4,7.3) 0.57
Patient died within 60 days of ICU admission
Yes 70 (25.9%)
68 (27.0%)
65 (24.1%)
63 (23.6%) 0.53
* Based on 60-day survivors only. Time before ICU admission is not counted.
† IQR: interquartile range
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Change of Nutritional Intake from Baseline to Follow-up of All the Study Sites (All patients)
% Calories Received/Prescribed
% c
alor
ies
rece
ived
/pre
scrib
ed
326326
326326
331331
331331
360360
360360
371371
371371
372372372372
373373373373
374374
374374
375375
375375390390
390390
Baseline Follow-up
2030
4050
6070
80
p value <0.0001
Intervention sites
% c
alor
ies
rece
ived
/pre
scrib
ed
p value=0.65
327327 327327
p value=0.65p value=0.65
359359
359359
p value=0.65p value=0.65
362362
362362
p value=0.65p value=0.65p value=0.65p value=0.65p value=0.65p value=0.65
376376
376376
p value=0.65
377377
377377
p value=0.65
378378378378
p value=0.65
379379
379379
p value=0.65
380380
380380
p value=0.65p value=0.65
404404
404404
p value=0.65p value=0.65
Baseline Follow-up
2030
4050
6070
80
Control sites
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% p
rote
in re
ceiv
ed/p
resc
ribed
326326
326326
331331
331331
360360
360360
371371
371371
372372
372372
373373 373373
374374
374374
375375
375375390390
390390
Baseline Follow-up
2030
4050
6070
80
p value <0.0001
Intervention sites
% p
rote
in re
ceiv
ed/p
resc
ribed
p value=0.78
327327 327327
p value=0.78p value=0.78
359359
359359
p value=0.78p value=0.78
362362 362362
p value=0.78p value=0.78p value=0.78p value=0.78p value=0.78p value=0.78
376376
376376
p value=0.78
377377377377
p value=0.78
378378
378378
p value=0.78
379379
379379
p value=0.78
380380
380380
p value=0.78p value=0.78
404404
404404
p value=0.78p value=0.78
Baseline Follow-up
2030
4050
6070
80
Control sites
% Protein Received/Prescribed
Change of Nutritional Intake from Baseline to Follow-up of All the Study Sites (All patients)
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ICU Day
% c
alor
ies
rece
ived
/pre
scrib
ed
1 2 3 4 5 6 7 8 9 10 12
010
2030
4050
6070
8090
100
n ITTn Eff icacyn FVF
24311357
21911357
19411357
17110854
15310552
1389646
1188340
1077535
835926
765223
594017
523514
ITTEfficacyFull volume feeds
ICU Day
% p
rote
in re
ceiv
ed/p
resc
ribed
1 2 3 4 5 6 7 8 9 10 120
1020
3040
5060
7080
9010
0
n ITTn Efficacyn FVF
24311357
21911357
19411357
17110854
15310552
1389646
1188340
1077535
835926
765223
594017
523514
ITTEfficacyFull volume feeds
Daily Proportion of Prescription Received by EN in ITT,Efficacy and Full Volume Feeds Subgroups
(Among Patients in the Intervention Follow-up Phase)
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Compliance with PEP uP Protocol Components (All patients n = 1,059)
0102030405060708090
100
SupplementalProtein (ever)
SupplementalProtein
(first 48hrs)
Motility Agents(ever)
Motility Agents(first 48hrs)
Peptamen 1.5
Intervention - Baseline Intervention - Follow-upControl - Baseline Control - Follow-up
Perc
ent
Difference in Intervention baseline vs. follow up and vs. control all <0.05
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-1
1
3
5
7
9
11
13
15
Vomiting Regurgitation Macro Aspiration Pneumonia
Intervention - Baseline Intervention - Follow-up
Control - Baseline Control - Follow-up
Complications (All patients – n = 1,059)
p > 0.05
Perc
ent
Vomiting Regurgitation Macro Aspiration Pneumonia
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Nurses’ Ratings of Acceptability
After GroupMean (Range)
24 hour volume based target 8.0 (1-10)Starting at a high hourly rate 6.0 (1-10)Starting motility agents right away 8.0 (1-10)Starting protein supplements right away 9.0 (1-10)Acceptability of the overall protocol 8.0 (1-10)
1 = totally unacceptable and 10 = totally acceptable
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Overall, how acceptable is this new PEP uP feeding protocol to you?
Need more instruction to include all staff members. Too much confusion over what protocol was supposed to be.
May need a few adjustments however I think its overall acceptable.
Good if everyone knows how to do it.Initial starting dose is too high.Maybe we needed more awareness by the MDs.
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Usage of PEP uP Training Components
Training Method % of Respondents Who Received Method
% Somewhat Useful
+ Very UsefulPP at critical care rounds 35% 88.6%PP by intranet or email 25% 55.2%PP at inservices 65% 80.7%Bedside small group instruction 24% 75.6%Bedside 1-on-1 instruction 28% 77.7%Self learning module 45% 76.2%Bedside letter to staff 24% 48.6%Study posters 60% 67.2%Computer screensaver 14% 47.0%
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Barriers to ImplementationDifficulties embed into EMR*Non-comprehensive dissemination
of educational tools
Involvement of nurse educator (nurses owned it)
Ongoing bedside encouragement and coaching by site dietitian
* EMR: electronic medical records
Facilitators to Implementation
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PEP uP Trial ConclusionStatistically significant improvements in
nutritional intake – Suboptimal effect related to suboptimal implementation
Safe (lower pneumonia rates)
Acceptable
Merits further use
Can successfully be implemented in a broad range of ICUs in North America
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Yes
Supplemental PN?
Yes No
No problemMaximize EN with motility agentsand small bowel feeding
Start PEP uP
Carry on!High risk?Yes No
Not tolerating
EN at 96 hrs?
No
Day 3> 80% of goal calories
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Learning from the Trial : Next StepsChange PEP uP protocol first day
order to simplifyImprove documentation of protein
supplements (add to MAR!)Develop PEP uP collaborative
(community of practice)– PEP uP demonstration sites– Revise and disseminate tools
Audit practice again in early 2013
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Call to action – is there room and interest to improve feeding practice in your ICU?
Identify nutrition champions – RNs, MDs, RDs
Feeding successfully requires a team approach
Education– Comprehensive education of the entire ICU team is essential – Tools and resources are available at criticalcarenutrition.com
Ongoing monitoring/feedback
Introduce PEP uP in YOUR ICU!
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Protocol to Manage Interruptions to EN Due to Non-GI Reasons
Can be downloaded from www.criticalcarenutrition.com
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Education and Awareness Tools
PEP uP Pocket Guide PEP uP Poster
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PEP uP Monitoring Tool
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In Summary, I Have…
Described optimal amounts of protein/calories required for ICU patients
Described the rationale for the novel components of the PEP uP protocol
Described strategies to effectively implement this protocol in your ICU
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Questions?
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Why do you focus on meeting 80% of protein/energy requirements?
Where does that evidence come from?
Question 1
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Question 2
Please elaborate on the concept of 24 hour volume based feedings and
why it is important to start or transition to that regime as soon as possible?
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Protein supplements are an important element of this protocol. How are these modular protein supplements provided
and for how long are they used?
Question 3
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Thank you for your attention.