Geriatric Internal Medicine Adjunct Faculty -University of Utah Co … · 2020-04-28 · •...
Transcript of Geriatric Internal Medicine Adjunct Faculty -University of Utah Co … · 2020-04-28 · •...
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Steven Atkinson PA-C, MS Geriatric Internal Medicine
Adjunct Faculty - University of Utah Co-Founder and Co-Owner Twin Cities Physicians
© 2017-2019 Steven Atkinson All Right Reserved-!lilll
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Risks of Opioid Use
Bohnert ASB, Ilgen MA. Understanding Links among Opioid Use, Overdose, and Suicide. N Engl J Med. 2019 Jan 3;380(1) :71-79.
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Acute vs. Chronic Pain
meclianism tliat is a cue for. tlie t:ioGy to Go ·something to :ive meclianism a for. tlie t:ioGy to Go · to sm a m tliat is cue something tliat is cue for. tlie t:ioGy to Go ·something to tliat is a cue for. tlie t:ioGy to Go · something to • J\cute Rain
• a vital protective stop the pain.
• Persistent (clironic) Rain • widespread or regional r>ain that lasts longer than expected or beyond the
normal tissue healing time. ' • chronic pain may have no discernible cause at all or may be a signal that
i:lisease is r>resent and increasing. ·
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Types of Pain
• NociceRtive versus NeuroRattiic Pain • Nociceptive pain is pain tliat results from aamage to ooay tissue and usually
aescribed as a sharp, aching, or. throbbing pain.
• Neuropatliic pain is a type of persistent pain state that usually is accompanied by tissue injury where the damaged nerve fibers send incorrect signals to other. pain centers. Pain is usually described as a burning, aching, needles, or like an electric shock
*Of course it can l:>e a mixture of ttie two as well
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Why Pain is Geriatrics is Different
Ferrell BA, Charette SL'. Pain management. In : Halter JB, Ouslander JG, Tinetti ME, et al, eds. Hazzard's Geriatric Medicine and Gerontology. 6th ed. New York, NY: McGraw-Hill, Inc; 2009:359-371. .,. .
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How to Start
• lmRortant to• Get a comprehensive history and J)hysical exam
• geriatric assessment tools
• Highlight those comortiities that can contribute to pain e.g., depression and anxiety ·
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UNIVERSAL PAIN ASSESSMENT TOOL Thi1 p:ain usa.smm, t0oJ ~ mlendcd co hdp pelknt <arc provickn uaas pain e<'10rdhl1 to individuJ s,.,knt n«d.j.
Explain and u.s,e 0-10 Scalt for parlmt Klf-Ulftlffltnt. UK tht fun or bthavioral obwrvation1 to intnpR'I op~ pain whffl pe1kn1 cannot (onununicate hWb" paio intensity.
0 I 2 3 4 5 6 7 8 9 10
WORST NO MILD MODERATE MODERATE SEV!R£ PAIN PAIN PAIN PAIN PAIN PAIN POSSlBLE
WONG-IAICF.R FACI.Al.
GRJ MACE SCALE
Aio«t ~-s-i--. =:,,= Acnvm NO IJ.'TD.Fl!ll£S INT13JlFEltES fNTER.FERES 1'01.ERANCT
PAIN WITH WITH WITHIASJC SCA1.£ TASKS CONCENTRATION NUDS
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Signs/Symptoms of Physical Discomfort
Changes in eating or Sudden changes in Increase in sleeping habits usual routines confusion,
irritability, distress, or wandering
Zagami ME. Collaborative Patient Care for Seniors With Pain. US Pharm 2.011 ;36(1 ):21 ·25
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Factors Affecting Undertreatment of Pain
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Factors Affecting Undertreatment of Pain
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Multimodal Approach to Pain Management
• Com lernemta • In relief
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Non-Pharmacological Approaches to Pain Management
• Beneficial • Cost effective • F.ew side effects • :Voia of aaverse arug events
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Non-Pharmacological Approaches to Pain Management
• massage ,,, • biofeedback
• Cognitive-Betiavioral iftieraP.Y (CBT) • meditation
• TENS (transcutaneous electrical nerv~ stimulation) • Exercise • Heat/Cola
Cavalieri TA. Pain management in the elderly. J Am Osteopath Assoc. 2002; 102:481 -485.
Ferrell BA, Josephson KR, Pollan AM, Loy S, Ferrell BR. A randomized t~~l. of walking versus physical methods for chronic pain management. Aging (Milano). 1997;9(1 -2):99- 105.
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AEC
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Non-Pharmacological Approaches to Pain Management
• massage ,,, • biofeedback
• Cognitive-Betiavioral iftieraP.Y (CBT) • meditation
• TENS (transcutaneous electrical nerv~ stimulation) • Exercise • Heat/Cola
Cavalieri TA. Pain management in the elderly. J Am Osteopath Assoc. 2002; 102:481 -485.
Ferrell BA, Josephson KR, Pollan AM, Loy S, Ferrell BR. A randomized t~~l. of walking versus physical methods for chronic pain management. Aging (Milano). 1997;9(1 -2):99- 105.
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Suggestions from a Geriatrician-
Weiner D, Karp J, Berstein C, et al. Pain Medicine in Older Adults: How Should it Differ? Comprehensive Treatment of Chronic Pain by Medical, lnterventional and Behavioral Approaches. Deer T, Ray A, Gordin Vet al. (Eds), Spigner, 2012. - ·
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SPINAL CORD
Central Sensitization Anticonvulsants
Opioids
NMDA-Receptor Antagonists
Tricyclic/SNRI Antidepressants
Local Anesthetics
Topical Analgesics
Anticonvulsants
Tric clic Anti de ressants
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Adjuvant Therapies
• Antide11ressants Z Anticonvulsants
• Al11ha-2 adrenergic agonists • L:ocal anestlietics
• Corticosteroids • NMDA recepto~ agonists
• Muscle relaxants • ifopical creams ana gels
Neurolel)tics • Antiliistamines
• Rsycliostimulants • Calcitonin
Kaye AD, Baluch A, Scott Jf. Pain Management in the Elderly Population: A Review. Ochsner J. 2010 Fall; 10{3): 179-187.
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Non-Opioid Options
• Routine APAR is usually considered the first-line treatment in the management of mild persistent r>ain in the older,adult.
• it's much safer compared to other analgesics (particularly nonsteroidal anti-inflammatory drugs and or>ioids) . --- · -
*For patients with underlying liver disease or those that Consume more than 3 alcohohc beverages per day, only 2 grams of APAI' is recommended. ·- -
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Injections
• Ottie r. ORtions-• Steroid injections (e.g., joint injections, t r.igge~ point
injections) ·
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Mechanism of Action of Pain Relief
• Antconvulsants • sodium-channel blockers (oxcarbazepine) • calcium-channel blockade (gabapentin)
• Antidepressants ·" • inhibit reuptal<e of norepineptirine ancl serotonin into presynaptic neurons (duloxetine) • soclium-channel blockade (tricyclics) ''
• iTopical Analgesics • sodium-channel blockade (lidocaine [latch 5%) • vanilloid recepto~ (capsaicin)
• Opioids . • blqck neuro~rans.mitter-release by nociceptive fibers, thus decreasing transmission of
pain-producing signals (oxycodone) • ·
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Non-Opioid Option - Anticonvulsants
• Pregaoalin ana gal5apentin liave 15een sliown to oe ·effective in the treatment ot neuro~athiG ~ain ·
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• P.regaoalin ana G • I • I - ,ntin • Antiepileptic arug • irliey are excrete□ renally as uncliangea arug ana aose.~eauction with renal
insufficiency is necessa!Y · • Gabaf)entin
• requires slower dosing (100mg BID with increases every 3-7 days) with a maximum of 3600mg/ d.
• Pregaoali n • can be titrated quicker with doses of 25-~0mg BID increased by 25-50mg every
2-3 days ·-·
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Non-Opioid Option - Anticonvulsants
• OxcaroazeRine• ifenas to 15e bette~ fo~ trigeminal neuralgia
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Non-Opioid Option - Antidepressants
Perception: opioids, alpha
2-agonists, TCAs, SSRls.
SNRls • SNRls
Modulation: TC As, • TCAs (not recommended in geriatrics) Descending SSRls. SNRls
I • • • • modulation I Spinotnalamlc • Tramadol (to some extent) tract
• avoid if seizure threshold is low!
Note: all of these have falls associated with them
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Non-Opioid Option - Antidepressants
• Duloxetine • SNRI approved for-
• diabetic peripheral neuropathy • fibromyalgia • chronic low back pain • osteoarthritis knee pain
• Usually started at 20-30mg/d fa~ 1-2 weeks then increased to 40-60mg/d ~ 1-2 weeks then increased to 40-60mg/d • Side effects include
• nausea • diarrhea • somulence or fatigue • hy[>onatremia
• Be careful in any patient with liver:d_isease or heavy EtOH
• Should be considered in moderate to severe persistent pain
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Non-Opioid Options - Glutamate Antagonists
• Well ~nown as an oral cougti suppressant, out it's also an NMDA receptor antagonist ano a serotonin reuptake transP.ort inhibitor{'
• Co-administration with quinidine maintains theraP.eutic levels for a longer than usual period of ti me ·-
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Non-Opioid Options - Glutamate Antagonists
• N-methyl-D-aspartate receptor (NMDAR) activity contrioutes to central sensitization in certain types of neuropathic Rain.
• Ketamine and memantine are the most commonly prescribed
Anllcon~ulsants Oplolds
--{ Tricycl lc/SNRI Antldcpross,mts MEliHADONE Central Sensitization
Anl lconvulsants
Oplolds
NMOA-Rocepto r Ant.aoonlsls --{ Tricyc l lcJSNRI Antid~p...,ssants
Loc:al Anesthetics Toplcat Arlalg~slcs Zhou H, Chen s, Pan H. Targeting N-methyl-D-aspartate receptors for treatment of neuropathic pain. Expert Anticonvulsant$
Rev Clin Phannacol. 201 1 May 1; 4 3 : 379--388. ·
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Non-Opioid Option - Topical Analgesics
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Non-Opioid Option - Alpha2 Agonists
• if.izanacl ine-• ~nti-nocicel)tive activity • Worl<s DY. alternating serotonergic activity in tne dorsal horn
,._,, ..
• Often usea as an anti-sl)astie: fo r, muscle spc1sms
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Non-Opioid Option - 5-HT3 antagonists
• J\nti-nociceRtive activity _ ·" • Work:s oy moaulating dorsal tiorn function, ,stimulating
noreRineRlirine ancf 5-Hli release · • '.Also potentiates mu-oRioid receRtors, ., clecreasing neuronal
excitability " • Often usea as an anti-nauseant
.·. '
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• Muscle relaxer, tliat inauces analgesia • Work:s oy inliioiting GAB/1:-B receP.tors ,,, • Evidence in ifGN
1
• urten use d as an antisP-astic fo r, muss;le spasms
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.
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Older adults may experience higher peak and longer duration of drug action.
The inability to excrete opioids make older adults more suceptible to sedation and respiratory distress.
Older adults (esp frail or the "old-old") are at risk for too little or too much.
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Opioids are not first-line or routine therapy for chronic
pain
When opioids are needed for acute pain, prescribe no more than needed
Establish and measure goals for pain and function
Do not prescribe ER/ LA opioids for
acute pain
Use urine drug testing to identify
prescribed substances and undisclosed use
Discuss benefits and risks and
availability of nonopioid therapies
with pt
Follow-up and reevaluate risk of harm; reduce dose or taper
and discontinue if needed
Avoid concurrent benzodiazepine and opioid prescribing
Use immediaterelease opioids when starting
Evaluate risk factors for opioid
related harms
Arrange treatment for opioid use
disorder if needed
Start low and go slow
Check POMP for high dosages and
prescriptions from other providers
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Safest Options in Renal Failure
• Fentanyl • Methadone
• In general it Rts liave renal failure• If the GFR is between 30-59 decrease the dose by'approximately 50-75%
, • If the GFR is l:ietween 15-29 decrease ttie dose_ l:iy approximately 50-75% and
decrease the dosing interval • If the GFR is < 15, use or1ioids PRN only
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Tramadol
Codeine
Hydrocodone
Morphine
Oxycodone
Hydromorphone
Fent anyl
Methadone
Oxymorphone
Weak
Weak
Weak
Strong
Strong
Strong
Strong
Strong
Strong
2 Constipation, nausea, appetite loss, fa tigue, dizziness, sweating
2 Constipation, nausea, appetite loss, fatigue, dizziness,
sweating, falls
2 Anxiety, constipation, dry mouth, headache, nausea
3 Constipation , nausea, vomiting, appetite loss
3 Constipation , dizziness, fatigue, heartburn, nausea, vomiting
3 Constipation , dizziness, fatigue , dry mouth
3 Constipation , dizziness, fatigue, heartburn, nausea, vomiting
3 Constipation, dizziness, dry mouth, headache, sweating,
nausea
3 Constipation, dizziness, anxiety, fatigue, nausea
Lowers sz t hreshold; promotes serotonin release
Variability in metabolism
Usually formulated with APAP; liver issues
Metabolites accumulate in renal insufficiency
No parenteral form
Safer in renal insufficiency
Prolonged eli mination
Multiple potential drug interactions; safer in renal dz
Caution in renal dz; give on empty stomach
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Opioids
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• •
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