Download - Keeping the Promise of Comfort
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Keeping the Promise
of Comfort
The Final Days
Mike Harlos MD, CCFP, FCFPProfessor and Section Head, Palliative Medicine, University of ManitobaMedical Director, WRHA Palliative CareMedical Director, Pediatric Symptom Management Service
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Post-99Ischemic
Encephalopathy
Discontinued Dialysis
Cancer
Stroke
Neuro-Degenerative
End-StageLung Disease
• Bedridden• Can’t clear secretions
Pneumonia
Dyspnea, Congestion,Agitated Delirium
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Main Features of Approach to Care
• Perceptive and vigilant regarding changes
• “Proactive” communication with patient and family» anticipate questions and concerns» available» don’t present “non-choices” as choices
• Aggressive pursuit of comfort
• Don’t be caught off-guard by predictable problems
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• Functional decline- transfers, toileting
• Can’t swallow meds- route of administration
• Terminal pneumonia
dyspnea congestion delirium:> 80% At times ++ agitation
• Concerns of family and friends
Predictable Challenges in the Final Days
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Concerns of Patients, Family, and Friends
• How could this be happening so fast?
• What about food & fluids?
• Things were fine until that medicine was started!
• Isn’t the medicine speeding this up?
• Too drowsy! Too restless!
• Confusion… he’s not himself, lost him already
• What will it be like? How will we know?
• We’ve missed the chance to say goodbye
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Steady decline
Which Came First....The Med Changes or the Decline?
Rapid decline due to illness progression with diminished reserves.
Medications questionedor blamed
Accelerated deterioration begins,medications changed
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Day 1Day 1 FinalFinalDay 3Day 3Day 2Day 2
The Perception of the “Sudden Change”
Melting ice = diminishing reserves
When reserves are depleted, the change seems sudden and unforeseen.
However, the changes had been happening.
That was fast!
That was fast!
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Family / Friends Wanting to InterveneWith Food and / or Fluids
• discuss goals
• distinguish between prolonging living vs. prolonging dying
• parenteral fluids generally not needed for comfort
• pushing calories in terminal phase does not improve function or outcome
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FoodandFluid
Intake
IntakeFluid
IntakeFood
Consider Concerns About Food And Fluids Separately
Strong evidence base regarding
absence of benefit in terminal phase
Conflicting evidence regarding effect on thirst in terminal
phase; cannot be dogmatic in discouraging artificial fluids in all situations
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Patient’s LifetimePatient’s Lifetime
Time that death would have occurred without intervention
Extending the final days in terminal illness:
Prolonging life or prolonging the dying phase?
Consider carefully the rationale of trying to prolong life by adding time to the period of dying
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OBTAINING SUBSTITUTED JUDGMENT
You are seeking their thoughts on what
the patient would want, not what they
feel is “the right thing to do”.
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“If he could come to the bedside as healthy as he was a year ago, and look at the situation for himself now, what would he tell us to do?”
Or
“If you had in your pocket a note from him telling you what to do under these circumstances, what would it say?”
PHRASING REQUEST: SUBSTITUTED JUDGMENT
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“Many people think about what they might experience as things change, and they become closer to dying.
Have you thought about this regarding yourself?
Do you want me to talk about what changes are likely to happen?”
TALKING ABOUT DYING
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First, let’s talk about what you should not expect.
You should not expect: pain that can’t be controlled. breathing troubles that can’t be
controlled. “going crazy” or “losing your mind”
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If any of those problems come up, I will make
sure that you’re comfortable and calm, even if it
means that with the medications that we use
you’ll be sleeping most of the time, or possibly
all of the time.
Do you understand that?
Is that approach OK with you?
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You’ll find that your energy will be less,
as you’ve likely noticed in the last while.
You’ll want to spend more of the day
resting, and there will be a point where
you’ll be resting (sleeping) most or all of
the day.
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Gradually your body systems will shut down,
and at the end your heart will stop while you are
sleeping.
No dramatic crisis of pain, breathing, agitation,
or confusion will occur -
we won’t let that happen.
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Basic Medications in The Final Day(s)
SYMPTOM MEDICATION
Pain Opioid
Dyspnea Opioid
Secretions Scopolamine
RestlessnessNeuroleptic (haloperidol or
methotrimeprazine) +/–
benzodiazepine
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DYSPNEA:
An uncomfortable
awareness of breathing
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DYSPNEA:
“...the most common severe symptom in the last days of life”
Davis C.L. The therapeutics of dyspnoea Cancer Surveys 1994 Vol.21 p 85 - 98
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25
35
45
55
65
75
42 21 7
# Days Prior to Death
Pre
vale
nce
o
f D
ysp
nea
(%
)National Hospice Study
Dyspnea PrevalenceReuben DB, Mor V. Dyspnea in terminally ill cancer patients. Chest 1986;89(2):234-6.
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End-of-Life Care in Cystic Fibrosis:Treatments Received in Last 12 Hours of
Life
0
10
20
30
40
50
60
70
80
90
100
IV Antibiotics Oral Vitamins Chest PT Blood Tests Opioids
%
n = 44
Robinson,WM et al, Pediatrics 100(2) Aug.1997
Only 11% were noted to have titration of opioids at end of life specifically for dyspnea
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Addington-Hall JM, MacDonald LD, Anderson HR, Freeling P. Dying from cancer: the views of bereaved family and friends about the experience of terminally ill patients. Palliative Medicine 1991 5:207-214.
• n = 80 Last week of life
• severe / very severe dyspnea: 50%
less than ½ of these were offered effective treatment
HOW WELL ARE WE TREATING DYSPNEA IN THE TERMINALLY ILL?
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Multiple And Diverse PotentialCauses Of Dyspnea
• Lung parenchyma: tumour, infection, fibrosis (radiation, chemotherapy) pleura (effusion, tumour) lymphangitic carcinomatosis airway obstruction
• Vascular – pulmonary embolism, superior vena cava obstruction, vessel erosion with hemoptysis
• Pericardial – effusion, restriction by tumour
• Cardiac – cardiomyopathy (eg. adriamycin, cyclophosphamide)
• Anemia
• Metabolic – hypokalemia, hyponatremia
• Neuromuscular – neurodegenerative disease, cachexia, paraneoplastic myesthenic syndromes (Eaton-Lambert)
• Intra-abdominal – ascites, organomegaly, tumour mass
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Approach To The Dyspneic Palliative Patient
Two basic intervention types:
1. Non-specific, symptom-oriented
2. Disease-specific
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Simple Non-Specific Measures In Managing Dyspnea
• calm reassurance
• patient sitting up / semi-reclined
• open window
• fan
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Non-Specific Pharmacologic Interventions In Dyspnea
• Oxygen - hypoxic and ? non-hypoxic
• Opioids - complex variety of central effects
• Chlorpromazine or Methotrimeprazine - some evidence in adult literature; caution in children due to potential for dystonic reactions
• Benzodiazepines - literature inconsistent but clinical experience extensive and supportive
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• Anti-tumor: chemo/radTx, hormone, laser
• Infection
• Anemia
• CHF
• SVCO
• Pleural effusion
• Pulmonary embolism
• Airway obstruction
TREAT THE CAUSE OF DYSPNEA - IF POSSIBLE AND APPROPRIATE
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Opioids in Dyspnea
Uncertain mechanism Comfort achieved before resp compromise; rate
often unchanged Often patient already on opioids for analgesia; if
dyspnea develops it will usually be the symptom that leads the need for titration
Dosage should be titrated empirically; may easily reach doses commonly seen in adults
May need rapid dose escalation in order to keep up with rapidly progressing distress
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CONGESTION IN THE FINAL HOURS“Death Rattle”
• Positioning
• ANTISECRETORY: Scopolamine, glycopyrrolate
• Consider suctioning if secretions are: distressing, proximal, accessible not responding to antisecretory agents
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A COMMON CONCERN ABOUT AGGRESSIVE USE OF OPIOIDS IN THE FINAL HOURS
How do you know that the
aggressive use of opioids doesn't
actually bring about or speed up the
patient's death?
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0
10
20
30
40
50
60
70
80
90
100
Dyspnea Pain Resp. Rate (breaths/min)
O2 Sat (%) pCO2
Pre-Morphine
Post-Morphine
SUBCUTANEOUS MORPHINE INTERMINAL CANCER
Bruera et al. J Pain Symptom Manage. 1990; 5:341-344
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• pinpoint pupils
• gradual slowing of the respiratory rate
• breathing is deep (though may be shallow) and regular
Typically, With Excessive Opioid Dosing One Would See:
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COMMON BREATHING PATTERNS IN THE FINAL HOURS
Cheyne-Stokes
Rapid, shallow
“Agonal” / Ataxic
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DOCTRINE OF DOUBLE EFFECT
1. The action is good in itself.
2. The intention is solely to produce the good effect (even though the bad effect may be foreseen).
3. The good effect is not achieved through the bad effect.
4. There is sufficient reason to permit the bad effect (the action is undertaken for a proportionately grave reason).
Wilkinson J. Oxford Textbook of Palliative Medicine 1993: p 497-8
Where an action, intended to have a good effect, can achieve
this effect only at the risk of producing a harmful/bad effect,
then this action is ethically permissible providing:
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Mount B., Flanders E.M.; Morphine Drips, Terminal Sedation, and Slow Euthanasia: Definitions and Fact, Not Anecdotes J Pall Care 12:4 1996; p 31-37
The principle of double effect is not confined to end-of-life circumstances…
Burdens
Side EffectsBeneficial Effects
Benefits
Good effects Bad effects
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• The doctrine of double effect exists to support those
health care providers who may otherwise withhold
opioids in the dying out of fear that the opioid may
hasten the dying process
• A problem with the emphasis on double effect is that
there in an implication that this is a common
scenario…. in day-to-day palliative care it is extremely
rare to need to even consider its implications
• The difference in aggressive opioid use in end-of-life
circumstances is that the “bad effect” = Death
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DON’T FORGET...For death at home
• Health Care Directive: no CPR
• Letters (regarding anticipated home death) to:
Funeral Home
Office of the Chief Medical Examiner
Copy in the home
• physician not required to pronounce death in the
home, but be available to sign death certificate