PALLIATIVE CARE SYMPTOM MANAGEMENT Patricia Ford MD Medical Director Community Hospice of Saratoga.
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Transcript of PALLIATIVE CARE SYMPTOM MANAGEMENT Patricia Ford MD Medical Director Community Hospice of Saratoga.
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PALLIATIVE CARE
SYMPTOM MANAGEMENTPatricia Ford MD
Medical Director
Community Hospice of Saratoga
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OBJECTIVES:
Review common non-pain symptoms experienced by patients with chronic, progressive and life-limiting illnesses
Identify causes of those symptoms Learn interventions to treat symptoms using
both drug and non-drug treatment modalities
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COMMON SYMPTOMS
Dyspnea Nausea/Vomiting Excess Secretions Agitation/Delirium Constipation
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DYSPNEA
Definition: A subjective sensation of difficulty breathing; an abnormally uncomfortable awareness of breathing
25% of ambulatory patients and over 50% of inpatients have dyspnea
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Mr Jones 78 yo with ES COPD on home hospice. Bed
to chair with marked dyspnea. Dyspneic with conversation.
Meds: Advair, Spiriva, Combivent, prednisone 10 mg daily
Albuterol nebulizer was added – using this about 5 times/day with some relief
Continuous supplemental O2 at 2 lit/NC
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Mechanism of Dyspnea
Hypoxemia, bronchoconstriction, hyper-inflation stimulate sensory receptors
CNS processes information – sends impulse to respiratory muscles
Mismatch between afferent information from various receptors and the respiratory motor activity - dyspnea
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Causes of Dyspnea
tracheal obstruction, asthma, COPD, aspiration, diffuse primary or metastatic cancer, lymphangitic metastases, pneumonia, pleural effusion, pneumothorax, pulmonary drug reaction, radiation pneumonitis
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Treating the Underlying Cause
COPD -MDI’s not effective in severe casesAerochambers may help Nebulizers are preferred Inhaled steroids may be stopped in patients
on chronic oral steroids CHF – titrate nitrates/diuretics
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DYSPNEA in Palliative Care
Non-Drug Treatments• Positioning - sitting up• Bedside fan• Pursed lip breathing• Humidified air• Noninvasive positive pressure mask
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DYSPNEA
Treatment with Oxygen• Think of oxygen as any other drug - not all dyspneic
patients benefit• Pulse oximetry will generally not be of benefit in
decision-making for treating terminal dyspnea• Masks and positive pressure devices are poorly
tolerated; use nasal cannula or nasal high flow• For end of life, use 2-4 liters of oxygen; for continued
dyspnea use drug therapy rather than using higher flow rates or face mask
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High Flow O2 vs BiPAP for Dyspnea in Advanced Cancer HFO: Delivers up to 40L/min humidified heated O2
Provides naso-pharygneal washout and positive distending pressure
Decreases airway resistance and the metabolic cost of breathing
BiPAP: Also assists ventilation and unloads respiratory muscles – may stimulate trigeminal nerve
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Study Results
Dyspnea improved with both – lasted for two hours
Non-significant decrease in resp rate BiPAP – decreased heart rate HFO – decreased BP and improved O2 No adverse effects – less trouble sleeping
on HFO vs BiPAP
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DYSPNEA
Drug therapy – mainstay is opioids• Acutely increase exercise tolerance • Reduce minute ventilation• Reduce subjective sense of breathlessness• Small doses can be effective:
5-10 mg of oral morphine in opioid naïve patients; for severe dyspnea or when patients are unable to swallow, 1-5 mg morphine IV q 10 minutes
• Other opioids are also useful for dyspnea
•
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Opiate Titration
As with pain, titrate to comfort. (tachypnea may persist)
May use long acting preparations ex. Morphine sulfate extended release or fentanyl patch with short acting opiate for breakthrough dyspnea
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Morphine and Respiratory Depression Sedation precedes respiratory depression. Low dose opioids can be used in advanced COPD to enhance
quality of life. Opioid dose can be titrated up at the end of life when needed for
symptom control. This is not euthanasia or assisted suicide. Ethically, the use of these drugs is appropriate and essential, as
long as the intent is to relieve distress, rather than shorten life. There is no justification for withholding symptomatic treatment
to a dying patient out of fear of potential respiratory depression.
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Mr Jones 78 yo with ES COPD on home hospice. Bed
to chair with marked dyspnea. Dyspneic with conversation.
Meds: Advair, Spiriva, Combivent, prednisone 10 mg daily
Albuterol nebulizer was added – using this about 5 times/day with some relief
Continuous supplemental O2 at 2 lit/NC
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Treatment Modifications
Discontinue spiriva/advair/combivent Albuterol/ipratropium nebulizer q 4h Albuterol nebulizer prn +/- increase supplemental O2 to 3 lit/NC Morphine 5 – 10 mg po q 1 hr prn Fan across the face prn/relaxation
techniques/ pursed lip breathing
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Role of Anxiolytics
Anxiolytics- benzodiazepines (e.g. lorazepam) may help relieve the anxiety associated with dyspnea
Possibly blunt ventilatory drive When combined with opioids, will produce
additive sedative/CNS depressant effects which may or may not be desirable
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Nausea/Vomiting
Occurs in 62% of cancer patients Present in 40% opioid treated patients Under reported and under treated Anorexia may represent chronic low grade
nausea
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The Case of Mrs. Rubio 72 yo with lung cancer with metastases to
adrenals, bone and brain Disease progression despite treatment Recent whole brain radiation Admitted to hospice – 30 lb weight loss, fatigue
and weakness Pain well managed on MS Contin 60 mg bid +
MSIR for BTP Occasional nausea – prn promethazine
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Common Causes of Nausea and Vomiting in Hospice patients Chemical: metabolic, drugs, infections Visceral and serosal causes: bowel
obstruction, GI bleed, enteritis, constipation
Increased intracranial pressure, anxiety, meningeal irritation
Labyrinth disorders
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Mechanisms of NauseaChemicals Affect D2, 5HT3, NK1 receptors – stimulate the
chemoreceptor trigger zoneMechanical/GI Affect 5HT3, mechanoreceptors and chemical
receptors in GI tract – peripheral pathwaysLabyrinth disorders – Achm, H1 – stimulates the
vestibular systemCortex – anxiety, meningeal irritation, increased
ICP Stimulate the vomiting center in the brainstem
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NAUSEA / VOMITING
Common causes of nausea• Obstruction• Gastritis, GERD• Gastric stasis• GI infection• Constipation• Abdominal carcinomatosis, extensive liver metastases• Acute effect of abdominal radiation or chemotherapy• Ascites – squashed stomach syndrome
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NAUSEA / VOMITING
Other causes of nausea• CNS - elevated ICP, posterior fossa tumors/bleed,
infectious or neoplastic meningitis• Drugs - opioids, chemotherapy, antibiotics• Metabolic - hypercalcemia, liver failure, renal failure,
sepsis• Psychological - anxiety, pain, conditioned response
(e.g. anticipatory nausea/vomiting)
Often multi-factorial
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NAUSEA / VOMITING
Treatment with Non-Drug Therapy• GI drainage for obstruction• Fluid management – GI obstruction may
improve by reducting parenteral fluids to decrease GI secretions
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Non-pharmacologic Interventions Avoid strong food smells Small frequent meals NPO during and for a while after periods of
vomiting occur. Wrist bands Relaxation techniques - imagery, music,
distraction, games Accupuncture/accupressure
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NAUSEA / VOMITING – Drug Therapy
Try to match the cause of nausea with the most appropriate drug class
If primary cause is Stimulation of CTZ : Start with aD2 receptor antagonist:
metoclopramide, prochlorperazine or haloperidol
If ineffective, add a 5HT3 antagonist: odansetron, mirtazapine
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Other Treatments for Nausea
Anxiety – may add benzodiazepine Elevated ICP – glucocorticoid Gastric Stasis – metoclopramide Constipation – treat the constipation Bowel Obstruction – octreotide, venting
PEG tube, surgery Vestibular – scopalamine patch
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The Case of Mrs. Rubio 72 yo with lung cancer with metastases to
adrenals, bone and brain 30 lb weight loss – anorexia may represent
chronic low grade nausea Morphine may contribute to nausea
Recommendations:Consider dexamethasone
Odansetron + prochlorperazine around the clock
Consider opiate rotation
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Pearls in Treating Nausea
Make the anti-emetic around the clock Use combination therapy when needed –
work on different receptors Promethazine is only a weak anti-emetic Manage constipation if present
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EXCESS SECRETIONS
Respirations may become congested or gurgling, especially when death is imminent• Caused by a decline in the gag reflex function and
reflexive clearing of the oropharynx• Secretions from the tracheobronchial tree accumulate
and the patient is too weak or unable to swallow or expectorate the secretions
• Often the healthcare professionals and the family members are more affected by the noisy breathing than the patient
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EXCESS SECRETIONS
Treatments• Suctioning the patient is not recommended, as it is
ineffective and often uncomfortable for the patient• Turn the patient on his/her side• Elevate the head of the bed• Reassure the family of the patient’s comfort• Educate the family about the etiology of the breathing• Anticholinergics, such as scopolomine, glycopyrrolate
and hyoscyamine can be useful in reducing secretions
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Treatment of oral secretions
Drug Trade name
Route Starting dose
Onset
Hyoscyca-mine
Scopala-mine
Trans-dermal
1patch 12 hrs
Atropine Multiple Sub-lingual
1 drop 30 min
Glycopyr-rolate
Robinul Oral 1 mg 30 min
Glycopyr-rolate
Robinul SC, IV .1 mg 30 min
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Common Errors
Using both scopalamine and atropine Adding an anti-cholinergic then treating
subsequent agitation with benzodiazepines
Adding atropine for respiratory congestion in a patient that is not terminal.
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AGITATION / DELIRIUM
Definition - An acute altered level of consciousness associated with:• Reduced attention and memory• Perceptual disturbances• Incoherent speech• Altered sleep-wake cycles
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The Case of Mr. Coons
45 year old with ESLD secondary to Hepatitis C and alcoholic liver disease
Ascites requiring frequent paracentesis Hepatic encephalopathy resistant to
lactulose and rifaximin Increased agitation – lorazepam makes it
worse
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Confusion Assessment Method
Digit span-repeat 3, then 4, then 5 numbers
Read letters – patient taps with ‘A’ Can a rock float? Are there fish in the sea?
Is one pound more than two pounds? Do you use a hammer to pound a nail?
“Hold up this many fingers” each hand
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AGITATION / DELIRIUM
Hyperactive Delirium• Agitated, picking at clothes and bed covers,
rambling and loud incoherent speech Hypoactive Delirium
• Quiet, sleepy, little spontaneous movement, soft incoherent speech
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AGITATION / DELIRIUM
D – drugs E – eyes and ears L – low flow states I – Intracranial R – retention I – infection U – under – hydration/nutrition/sleep M – metabolic and toxic
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AGITATION / DELIRIUM
Treatment - Non-Drug• Quiet, peaceful room• Family member present to relieve anxiety• Avoid physical restraints• Assess for unresolved psychological or
spiritual issues, unfinished business• Holistic therapy
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AGITATION / DELIRIUM
Treatment with Drug Therapy• The primary drug class for terminal delirium are the
major tranquilizers (e.g. haloperidol)• Although benzodiazepines are commonly used, they
may lead to paradoxical worsening of the delirium• Dosing is similar to opioids for pain – give enough to
reduce the target symptom, there is no maximum dose
Starting dose of haloperidol is 1-2 mgs, can be given every hour as needed to reduce symptoms until the patient has stabilized, then converted to a dose given every 6-12 hours
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Atypical Antipsychotics
Risperidone .25-1 mg taken BID to q 6 hrs Caution with renal failure
Olanzapine 2.5-10 mg taken daily Not in CNS malignancy, hypoactive, over 70
Quetiapine 12.5 – 50 mg taken bid Dosing 4 pm and hs – most sedating
Aripiprazole 5-15 mg taken q am Useful for hyperactive – can cause insomnia
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The Case of Mr. Coons
45 year old with ESLD secondary to Hepatitis C and alcoholic liver disease
Ascites requiring frequent paracentesis Hepatic encephalopathy ‘resistant to
lactulose and rifaximin’ Increased agitation – lorazepam makes it
worse
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Mr Coons
Haldol 1 mg q 1 hr x 3 doses then 2 mg q 6 hrs around the clock
Correct hyponatremia Lactulose – ‘do not hold’ Discontinue diazepam and zolpidem Improve pain management Indwelling Pleurx catheter to manage ascites
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Constipation
“Constipation” can mean different things to different people• Acute: recent decrease in frequency or
increase in difficulty starting a bowel movement, duration less than 6 months
• Chronic: less than 3 BM’s per week, duration more than 6 months
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Constipation In addition to complaining of
“constipation”, patients also complain of:• Stool that is small or hard• Stool that is not completely evacuated• Increased gas• Abdominal or rectal pain• Change in stool character• Anorexia and early satiety
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Causes of Constipation Drugs
• Opioids• Anti-cholinergics: (antidepressants,
neuroleptics, anti-emetics, anti-histamines) Metabolic
• Hypercalcemia, diabetes, hypothyroidism, uremia
Neurologic• Spinal cord lesions
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Causes of Constipation (cont’d)
Mechanical• Obstruction or pseudo-obstruction (Ogilvie’s)• Ascites• Carcinomatosis
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Causes of Constipation (cont’d)
Miscellaneous• Pain - generalized or rectal• Lack of privacy or awkward positioning
(bedpan)• Loss of normal bowel routine• Lack of fluid intake• Delirium
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Opioid-Induced Constipation
Little tolerance to constipation develops Start bowel protocol when opioids are initiated Optimal dose is unknown Fentanyl and methadone may cause less
constipation than morphine Methylnaltrexone (Relistor©) - Sub Q injection
to reverse OI constipation
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Constipation: Key Assessment Issues
Fecal Impaction? Constipation vs. Obstruction? Neurological Process? Fluid/Electrolye problem?
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Management of Constipation
General measures Increase fluid intake Restore daily bowel routine Ensure privacy Ensure a comfortable position Reverse treatable causes Prophylaxis when possible
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Drug Therapy for Constipation
Laxatives/Stimulants Bulk agents Lubricants Hyperosmotic agents Prokinetic drugs “Natural” laxatives Enemas
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Laxatives / Stimulants
Senna Bisacodyl (Dulcolax ®) Detergent laxatives “wetting agents”
Colace ®, Surfak ®
Castor oil is a detergent laxative that is not recommended for use.
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Lubricants
Mineral Oil• Can be used for fecal impaction or acute
constipation• Causes malabsorption with prolonged use• Do not use with docusate products
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Hyperosmotic and Saline Agents
Agents that pass through the small bowel and draw water into the colon• Sugars: lactulose, sorbitol, mannitol, glycerin• Saline agents: Polyethylene glycol
(Miralax ®), magnesium, sulfate, and phosphate preparations
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Enemas
Saline (Fleets®) Tap water or soap suds Oil-retention Other
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Natural Laxatives
Prunes or prune juice Dates and figs Raisins Apples Senna Other
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Pearls in Treating Constipation at the End of Life Do not add fiber in patient with poor fluid
intake (soft impaction) Poor motility is common – senna is useful Docusate is generally ineffective alone Miralax works well, but can cause
dehydration
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REFERENCES
Wood GJ et al Mgt of intractable nausea nad vomiting in patients at the end of life JAMA 2007; 298(10) 1196-1207
Breitbart W, Alici Y, Agitation and Delirium at the End of Life JAMA Dec 2008
McPhee et al, Care at the Close of Life: Evidence and Experience, JAMA Archives and Journals 2011
Panke, J., Coyne, P. (2006) Conversations in Palliative Care. Pittsburgh, PA: Hospice and Palliative Nurses Association
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References continued
Wrede-Seaman, L. (2005) Symptom Management Algorithms A handbook for Palliative Care. Yakima, Washington: Intellicard
Weissman, D.(2006) Palliative Care: Presentations for Medical Educators. Medical College of Wisconsin
Hui, D et al. (2013) High-Flow Oxygen and Bilevel Positive Airway Pressure for Persistent Dyspnea in Patients with Advanced Cancer: A Phase II Randomized Trial. Journal of Pain and Symptom Management Vol 46 No. 4, October 2013