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Pain Management in Elderly Patients PowerPoint Presentation

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Description : Check out this medical PowerPoint presentation titled "Pain Management in Elderly Patients” by Pragnesh Patel, MD.

This medical PowerPoint presentation is about pain management, an essential aspect of care for elderly patients, as they are more likely to experience chronic pain due to various medical conditions and age-related changes in their bodies. Effective pain management in elderly patients requires a comprehensive approach that takes into account the patients medical history, overall health status, and any potential risks associated with pain medication.

Effective pain management in elderly patients requires a patient-centered, individualized approach that takes into account the unique needs and challenges of this population. Close monitoring, regular reassessment, and a focus on minimizing risks and adverse effects are essential for safe and effective pain management.

Tags : pain management, care for elderly patients, chronic pain, Geriatrics, Geriatric Medicine, Geriatrics PowerPoint presentation

Published on : May 02, 2023 | Views : 769 | Downloads : 0

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Pragnesh Patel, M.D. Assistant Professor Board certified in Internal Medicine, Hospice/Palliative Medicine and Geriatrics Division of Geriatrics Wayne State University Detroit, Michigan. Pain Management inElderly Patients
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Objective Understand how to define and classify pain Learn social and environmental factors affecting the perception of pain and its treatment Know the scales available to assess pain Learn medical and non-medical treatments available for pain
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Demographics U.S. population 306 million > 65 years represents about 36 million; by 2020 54million Fastest growing segment of the population is > 85 years Currently 5 million, 20 million by 2050 1900’s - 3 million elderly (1 in 25 Americans), by 2020, 54 million (1 in 6 Americans) 2011 - first baby boomers will reach 65 U.S. Census Bureau/CDC.gov
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Return to top. In 2000 42% of population >65 and over reported long lasting disability
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What is Pain? Pain is an unpleasant sensory and emotional experience. The International Association for the Study of Pain (IASP) defines pain in terms of both actual or potential tissue damage and the emotional experiences associated with pain. Acute Pain is often limited, warns of tissue damage. Often with signs of autonomic nervous system activation Intensity of pain indicates severity of injury or disease Chronic persistent ( > 3 months) - pain no longer signals tissue damage. Autonomic signs are often absent. IASP website Hix M.D. Pain Management in elderly patients, Journal of pharmacy Practice, 20:49-63, 2007
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Mechanism of pain based on Pathophysiology Nociceptive pain: Results from stimulation of pain receptors. Somatic: damage to body tissue, well localized Visceral: from viscera, poorly localized, may have nausea Neuropathic pain: Results from dysfunctions or lesions in either the central or peripheral nervous systems. Mixed pain syndromes: multiple or unknown mechanisms (e.g. headaches, vasculitic syndromes). Psychogenic Pain: somatoform disorders, conversion reactions.
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Neurobiology Myelinated A-delta and Unmyelinated C fibers respond to thermal, mechanical, electrical or chemical stimuli. Release of excitatory neurotransmitter glutamate and substance P Information transmitted to thalamus by spinothalamic tract Pain modulation: frontal cortex, hypothalamus, descending pathway, endogenous analgesia by releases of beta-endorphin, enkephalins, opioid peptides.
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Age related changes: Reduction in number and function of peripheral nociceptive neurons. Sensory threshold for thermal and vibratory stimuli increase with age. Pain receptors: 50% decrease in Pacini's corpuscles,10%-30% decrease in Meissner's/Merkle's disks Diminished endogenous analgesic response (endorphins) in the older patients. Geriatric medicine: An evidence based approach 4th edition 2003
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Age related changes: Peripheral nerves : Myelinated nerves Decreased density Increase abnormal/degenerating fibers Slower conduction velocity Unmyelinated nerves Decreased number of large fibers (1.2-1.6 mm No change in small fibers (0.4 mm) Substance P content decreased Geriatric medicine: An evidence based approach 4th edition 2003
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Age related changes: Central nervous system Loss in dorsal horn neurons Altered endogenous inhibition, hyperalgesia Loss of neurons in cortex, midbrain, brainstem 18% loss in thalamus Altered cerebral evoked responses Decreased catacholamines, acetylcholine, GABA, serotonin Endogenous opioids: mixed changes Neuropeptides: no change Geriatric medicine: An evidence based approach 4th edition 2003
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Prevalence of pain in Elderly 1 in 5 elderly have pain 18% above 65 are taking pain medications regularly One-fifth of adults 65 years and older said they had experienced pain in the past month that persisted for more than 24 hours. Almost three-fifths of adults 65 and older with pain said it had lasted for one year or more. Women report severely painful joints more often than men (10 percent versus 7 percent). CDC′s National Center for Health Statistics 2006,
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Prevalence of Pain in Elderly 1 Community-dwelling older adults: 25–56% 2 Nursing home residents: 45–80% 3 Greater than 50% patients dying of a variety of illnesses, including cancer, COPD, CAD 4 31% of women & 19% of men > 75 yrs report pain in 3 or more sites AGS panel on persistent pain in older persons, JAGS 50:s205-s224, 2002. Ferrell B A: Pain evaluation and management in the nursing homes, Ann Intern Med, 123(9):681-687,1992. Minner D M et.al., Evidence based assessment and treatment of persistent pain in the community dwelling elderly receiving home health services: A pathway, Home health care management and practice 17:294-301,2005.
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Factors affecting perception of pain Pain affects quality of life far beyond the local region of injury Feeling of loneliness is predictor of psychological distress Lack of intimate relationships, dependency, and loss increase loneliness Loneliness has been shown to lower pain threshold Loneliness is a risk factor for depression Deane G et.al., Overview of pain management in older persons. Clin Geriatr Med 24,185-201,2008.
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Factors affecting the perception of pain Depression: lack of energy, avoidance of diversional activities, decreased engagement in treatment Anxiety: may inhibit participation in rehab efforts Sleep disturbance: pain is best predictor of sleep disturbance. Increased health care needs Isolation and reduced independence: Involvement with family and friends can provide pleasurable experience
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Factors affecting perception of pain Focusing one's attention on pain makes the pain worse. Patients who have low levels of pain remember it as being worse than they originally reported. Pain can be a learned response, rather than a purely physical problem. Psychosocial issues like patient’s belief about their pain , their coping skills, their involvement in the “sick role”, all have an impact on how much pain patients feel, and how it affects them.
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Challenges of pain assessment in older patients Myths that having pain is “natural” with aging Fears about addiction to pain medications Sensory and cognitive impairments Under-reporting Co-morbidities complicating the clinical picture and caregivers' beliefs and the reliability of patients' pain. Lack of congruence between patients' and caregivers' perceptions of pain Caregiver may misinterpret pain perception Stein, W.M. Pain in the nursing home. Clinics in Geriatric Medicine 17, 575-94,2001Stewart, K. et. al. Assessment approaches for older people receiving social care: content and coverage. International Journal of Geriatric Psychiatry 14, 147-56,1999.Horgas, A.L. et. al. Pain in nursing home residents. Comparison of residents' self-report and nursing assistants' perceptions. Journal of Gerontological Nursing 27, 44-53, 2001.Weiner, D., et. al. Chronic pain associated behaviours in the nursing home: resident versus caregiver perceptions. Pain 80, 577-88,1999.
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Pain Assessment Unidimensional Scales: A single item that usually relates to pain intensity alone. Advantages: Easy to administer and require little time or training to produce reasonably valid and reliable results Disadvantages: Some require vision, hearing and attention, pencil and paper
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Pain Thermometer No pain Slight pain Mild pain Severe pain Moderate pain Extreme pain Pain as bad as it could be (Herr and Mobily, 1993)
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Pain Assessment Obtain history of pain: Ask about onset, pattern, duration, location, intensity, and characteristics of the pain, Find out aggravating or palliating factors, and the impact on the patient. Evaluate psychological state of patient Screen for depression Anxiety Assess social networks and family involvement
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Pain Assessment Scales Multidimensional scales evaluate pain in multiple domains ( McGill Pain Questionnaire). Advantage: looks at pain in terms of intensity, affect, sensation, location, and several other domains that are not evaluable with a single question. Disadvantage: long, time consuming and difficult to administer.
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Pain Assessment in Dementia Patients’ self report are still reliable Reports from caregivers/family members are also reliable if they are familiar with patient. Behaviors exhibited may indicate pain Facial pain scale Do not use pain scales and ask to recall information from past.
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Pain assessment in advanced dementia The Pain Assessment in Advanced Dementia (PAINAD) scale Assess breathing independent of vocalization Negative vocalization Facial expression Body language Consolability Each behavior is scored 0 to 2,higher the score more severe the pain.
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Pain assessment in nonverbal patients Checklist of Nonverbal Pain Indicators (CNPI): Nonverbal vocal complaints (sighs, gasps, moans, groans, cries) Facial grimacing Bracing (clutching or holding onto furniture, equipment) Rubbing (massaging affected area) Restlessness Verbal vocal complaints such as “ouch” or “stop” Feldt K S., Pain Manag Nurs 1(1):13-21,2000.
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Barriers to Effective Pain Management Study of 805 chronic pain sufferers, >50% changed physicians due to lack of physician’s: Willingness to treat the pain aggressively, Failure to take the pain seriously, Lack of knowledge about pain management Chronic pain in America: roadblocks to relief. Survey conducted for the American Pain Society, The America Academy of Pain Medicine, and Janssen Pharmaceutica. Hanson, NY: Roper Starch Worldwide, 2000.
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Health care system barriers Lack of a neighborhood pharmacy Lack of transportation to the physician or pharmacy, an absence of high doses of opioids at the pharmacy Lack of a home caregiver to assist with administering drugs pose major obstacles to pain treatment
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Patient related barriers to effective pain management Communication: Patients with communication problems with physician had worse pain control. Psychological: Anxiety, distress, depression, anger, and dementia, all of which can complicate assessment by masking symptoms. Attitudinal issues: Fear of addiction, tolerance, and side effects, belief that pain was inevitable.
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Treatment Age-Related Physiologic Changes Decreased renal function Decreased volume of distribution because of decreased lean body weight Decreased liver mass and hepatic blood flow Decreased activity of some drug-metabolizing enzymes Decreased serum protein concentrations Decreased pulmonary function
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Treatment Nonopioid Analgesics for Older Adults Acetaminophen: 1)Treatment of choice for Osteoarthritis 2)Exhibits an analgesic ceiling beyond which higher doses do not provide greater pain relief. 3) Maximum dose 4 gm/day
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Treatment Nonselective NSAIDs Inhibit prostaglandin synthesis Appropriate for short term use All have ceiling effect Risk of gastrointestinal bleed, renal impairment, platelet dysfunction Selective COX-2 inhibitors (celecoxib is only one currently available in U.S.) Reduced gastrointestinal side-effects and platelet inhibition
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Treatment with Opioids Stimulates mu opioid receptor. Used for moderate to severe pain. Used for both nociceptive and neuropathic pain. Opioid drugs have no ceiling to their analgesic effects and have been shown to relieve all types of pain. Elderly people, compared to younger people, may be more sensitive to the analgesic properties. Advanced age is associated with a prolonged half-life and prolonged pharmacokinetics of opioid drugs
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Opioids Morphine Hepatic metabolism and renally excreted; not dialyzable. Oral bioavailability 30-40%, M6G is active metabolite with analgesic activity, M3G is another metabolite causes neurotoxicity, Morphine is available in oral (liquid and pill), topical, sublingual, parenteral, intrathecal, epidural and rectal routes. High doses can lead to myoclonus and hyperalgesia.
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Opioids Oxycodone Only available in oral form More potent than morphine Available as single agent and in combination with NSAIDs and acetamenophen Available in long-tacting, slow release form – OxyContin) Methandone Blocks NMDA receptors, inexpensive, lacks active metabolite Used for neuropathic pain Variable(long) half-life, high tissue distribution, Converting from any opioid to methadone takes several days
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Opioids Hydrocodone (Vicodin, Lortab, Norco, others) Only available in combination with acetamenophen or NSAID Hydromorphone (Dilaudid) 5 times more potent than morphine Not available in long acting preparation Propoxyphene (darvocet) very weak analgesic effect, can cause ataxia and neurotoxicity, twofold higher risk of hip fractures.
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Opioids All oral opioids (except methadone) have a duration of action of 3-4 hours with normal metabolism.
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Opioids Meperidine (Demerol) Metabolized to active metabolite normeperidine Lowers seizure threshold, risk for falls, confusion, sedation Should be AVOIDED as analgesic
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Opioids Fentanyl Patch 100 times more potent than morphine Absorption altered by temperature, Depot of drug in excess adipose tissue Tramadol Synthetic mu (opioid) agonist and inhibition of serotonin and norepinephrine reuptake 1/5th as potent as morphine Lowers threshold for seizure and multiple drug-grug interactions.
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Opioids Can cause drowsiness, nausea, respiratory depression. Tolerance: diminished effect of a drug associated with constant exposure to the drug over time. Tolerance develops to CNS side effects. Tolerance does not develop to constipation! (Prophylax with increasing fluid intake, osmotic laxatives or stimulant laxatives) Dependency: uncomfortable side effects when the drug is withheld abruptly. Drug dependence requires constant exposure to the drug for at least several days.
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Opioid Addiction Addiction : drug use despite negative physical and social consequences (harm to self and others) and the craving for effects other than pain relief. Pseudo-addiction: inadequately treated and un-relieved pain leading to persistent or worsening pain complaints, frequent office visits, requests for dose escalations.
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Non-opioid medications for pain Tricyclic antidepressants ( amytriptyline, desipramine) for neuropathic pain, depression, sleep disturbance. Not used often due to side-effects. Duloxetine (Cymbalta ) is newer antidepressant FDA approved for neuropathic pain. Anticonvulsants ( gabapentin, pregabalin, carbamazepine) for neuropathic pain. Carbamazepine can be used for trigeminal neuralgia, may cause pancytopenia. Muscle relaxants : for muscle spasm, monitor for sedation Local anesthetics (lidocaine patch, topical voltaren gel, capsaicin). Capsaicin depletes substance P, may take weeks to reach full effect, adverse effects include burning and erythema. Lidocain patch FDA approved for post herpetic neuralgia. Placebos: unethical
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Non-opioid treatment Massage reduces pain, including release of muscle tension, improved circulation, increased joint mobility, and decreased anxiety TENS unit: Can be considered for diabetic neuropathy but not for chronic low back pain
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Non-drug treatment Education: basic knowledge about pain (diagnosis, treatment, complications, and prognosis), other available treatment options, and information about over-the-counter medications and self-help strategies. Exercise: tailored for individual patient needs and lifestyle; moderate-intensity exercise, 30 min or more 3-4 times a week and continued indefinitely. Physical modalities (heat, cold, and massage) Cold for acute injuries in first 48 hours, to decrease bleeding or hematoma formation, edema, and chronic back pain. Heat works well for relief of muscle aches and abdominal cramping.
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Non-drug treatment Physical or occupational therapy; should be conducted by a trained therapist Chiropractic: Effective for acute back pain. Potential spinal cord or nerve root impingement should be ruled out before any spinal manipulation Acupuncture: Performed by qualified acupuncturist. Effects may be short lived and require repetitive treatments
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Non-drug treatments Relaxation: repetitive focus on sound, sensation, muscle tension, inattention towards intrusive thoughts. Requires individual acceptance and substantial training. Meditation: Guided or self-directed technique for calming the mind, allows thoughts, emotions and sensations to travel through conscious awareness without judgment. Progressive muscle relaxation: Individual tensing and relaxing of certain muscle groups. Hypnosis: effective analgesic, state of inner absorption and focused attention. Reduces pain by distraction, altered pain perception, increased pain threshold. Norelli L J et.al., : Behavioral approaches to pain management in the elderly, 24(2), Clinics in Geriatric Medicine, 2008.
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Non-drug treatment Cognitive-behavioral therapy: Pain is influenced by cognition, affect and behavior. Conducted by a trained therapist, focuses on changing individual cognitive activity to modify associated behavior, thoughts, and emotions. 10-12 weekly individual or group sessions Participants have to be cognitively intact Operant behavior therapy: Use of negative and positive consequences to modify the behaviors. Mind-body conditioning practices: Yoga, tai chi, qigong. Norelli L J, et.al.,: Behavioral approaches to pain management in the elderly, 24(2), Clinics in Geriatric Medicine, 2008.
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Consequences of untreated pain Impaired function: Pain can lead to decreased activity and ambulation leading to de-conditioning, gait disturbances and injuries from falls. Sleep deprivation: decrease pain thresholds, limit the amount of daytime energy, increased risk of depression and mood disturbances. Increases financial and care giving burdens placed on families and friends by increased utilization of health care services. Diminished quality of life by isolating individuals from important social stimulation, amplifying the functional and emotional losses already experienced from undertreated pain. Jakobsson, U. et.al., Old people in pain: A comparative study. Journal of Pain and Symptom Management, 26, 625-636,2003. Weiner, D.K., et.al., Pain in nursing home residents; management strategies. Drugs and Aging, 18(1), 13-19,2001.
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References: Brucenthal P: Assessment of pain in the elderly adult, 24(2), Clinics in Geriatric Medicine, 2008. Bjoro K, Herr K: Assessment of pain in the nonverbal or cognitively impaired Older adult, 24(2), Clinics in Geriatric Medicine, 2008. Fine P G. Chronic pain management in older adults:special considerations, J Pain Symptom Manage38:S4-S14,2009. Reyes-Gibby C C, et.al.: Impact of pain on self-rated health in the community-dwelling older adults, Pain 95:75-82,2002. Improving pain management for older adults: an urgent agenda for the educator, investigator and practitioner, Pain 97,2002. Landi F, Onder G et.al.: Pain management in frail, community-living elderly patients, Arch Intern Med, 161, 2721-2724,2001.