1. Pain Management Consultant Professor : Dr Yekefallah Seyedeh Hedyeh Banihashemi & Mahtab Salehi Master students of critical care nursing (entrance

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  • Pain Management Consultant Professor : Dr Yekefallah Seyedeh Hedyeh Banihashemi & Mahtab Salehi Master students of critical care nursing (entrance Mehr 92) Automn 1392 2
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  • objective Explain the pain definition & its pathophysiology Know different pain theories especially Gate-control Describe different types of pain Explain pain treatment (Drug & Nondrug) Assess patients pain & know different assessment tools Determine nursing process Know geriatric & pediatric consideration 3
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  • Pain It is an unpleasant sensory & emotional experience associated with actual or potential tissue damage. 4
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  • Are these sentences true or false? 1. The best judges of the existence and severity of patients pain are the physicians and nurses caring for the patients. False 5
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  • 2. Patients should not receive analgesic until the cause of pain is diagnosed. False 6
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  • 3. Pain makes anxiety worse. True 7
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  • 4. Patients who are knowledgable about opioid analgesics and who make regular efforts to obtain them are drug seeking (Addicted) False 8
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  • 5. Critically ill patients, especially those who appear to be unconscious or have received a neuromuscular blocking agents, do feel pain and recall painfull episodes in ICU. True 9
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  • 6. Patients with PTSD (Post Traumatic Stress Disorder) show low sensitivity to acute pain and rarely have chronic pain. False 10
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  • Pain pathophysiology There are four basic processes involved in acute pain : Transduction Transmission Perception Modulation 11
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  • C fibres Primary afferent fibres Small diameter Unmyelinated Slow conducting Pain quality Diffuse Dull Burning Aching Referred to as slow or second pain A-delta fibres Primary afferent fibres Large diameter Myelinated Fast conducting Pain quality Well-localised Sharp Stinging Pricking Referred to as fast or first pain 12
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  • Transduction Transduction begins when the free nerve endings (nociceptors) of C fibres and A-delta fibres of primary afferent neurones respond to noxious stimuli. Nociceptors are exposed to noxious stimuli when tissue damage and inflammation occurs as a result of, for example, trauma, surgery, inflammation, infection, and ischemia. 13
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  • transduction The cause of stimulation may be internal, such as pressure exerted by a tumour or external, for example, a burn. This noxious stimulation causes a release of chemical mediators from the damaged cells including: prostaglandin bradykinin serotonin substance P potassium histamine 14
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  • Transmission The transmission process occurs in three stages. The pain impulse is transmitted: from the site of transduction along the nociceptor fibres to the dorsal horn in the spinal cord; from the spinal cord to the brain stem; through connections between the thalamus, cortex and higher levels of the brain. 15
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  • transmission In order for the pain impulses to be transmitted across the synaptic cleft, excitatory neurotransmitters are released, these neurotransmitters are: adenosine triphosphate; glutamate; calcitonin gene-related peptide; bradykinin; nitrous oxide; substance P. 16
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  • Perception Perception of pain is the end result of the neuronal activity of pain transmission and where pain becomes a conscious multidimensional experience. The multidimensional experience of pain has affective-motivational, sensory-discriminative, emotional and behavioural components. When the painful stimuli are transmitted to the brain stem and thalamus, multiple cortical areas are activated and responses are elicited. 17
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  • perception The reticular system: - This is responsible for the autonomic and motor response to pain and for warning the individual to do something, for example, automatically removing a hand when it touches a hot saucepan. - It also has a role in the affective- motivational response to pain such as looking at and assessing the injury to the hand once it has been removed form the hot saucepan. 18
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  • peception Limbic system This is responsible for the emotional and behavioural responses to pain for example, attention, mood, and motivation 19
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  • perception Somatosensory cortex - This is involved with the perception and interpretation of sensations. It identifies the intensity, type and location of the pain sensation and relates the sensation to past experiences, memory and cognitive activities. - It identifies the nature of the stimulus before it triggers a response, for example, where the pain is, how strong it is and what it feels like. 20
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  • Modulation The modulation of pain involves changing or inhibiting transmission of pain impulses in the spinal cord. The multiple, complex pathways involved in the modulation of pain are referred to as the descending modulatory pain pathways (DMPP) and these can lead to either an increase in the transmission of pain impulses (excitatory) or a decrease in transmission (inhibition). Inhibitory neurotransmitters include: endogenous opioids (enkephalins and endorphins); serotonin (5-HT); norepinephirine (noradrenalin); gamma-aminobutyric acid (GABA); neurotensin; acetylcholine; oxytocin. 21
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  • Pain theories Specificity theory Pattern theory Intensity theory Gate control theory 22
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  • Gate control theory Proposed by Ronald Melzack and Patrick Wall during the early 1960s Gate control theory suggests that the spinal cord contains a neurological "gate" that either blocks pain signals or allows them to continue on to the brain Pain signals traveling via small nerve fibers are allowed to pass through, while signals sent by large nerve fibers are blocked. Gate control theory is often used to explain phantom or chronic pain. 23
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  • 25 By inferred pathology Nociceptive pain Somatic pain Arises from bone,joint,muscle,s kin or connective tissue (well-localised ) Visceral pain Arises from visceral organs such as : GI tract and pancreas. Tumor involvement of the organ.(fairly well-localised) Obstruction of hollow viscus,causes intermittent cramping (poorly localised) Neuropathic pain Central pain Deafferentation pain Injury the PNS or CNS Phantom pain/burning pain below the spinal cord. Sympathetic pain associated with dysregulation of autonomic nervous system complex regional pain syndrome Peripheral pain Painfull polyneuropathies :Diabetic neuropathy, Guillain-Barre syndrom Painfull mononeuro pathy : trigeminal neuralgya
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  • Phantom pain 26
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  • Phantom pain Phantom pain sensations are described as perceptions that an individual experiences relating to a limb or an organ that is not physically part of the body. Limb loss is a result of either removal by amputation or congenital limb deficiency. Sensations are recorded most frequently following the amputation of an arm or a leg, but may also occur following the removal of an internal organ. 27
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  • phantom pain There are various types of sensations that may be felt: Sensations related to the phantom limb's posture, length and volume e.g. feeling that the phantom limb is behaving just like a normal limb like sitting with the knee bent or feeling that the phantom limb is as heavy as the other limb. Sensations of movement (e.g. feeling that the phantom foot is moving). Sensations of touch, temperature, pressure and itchiness. Many amputees report of feeling heat, tingling, itchiness, and pain. 28
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  • The perception of phantom pain 29
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  • Pathophysiology mechanisms of phantom pain are often separated into peripheral, spinal, and central mechanisms. Neuromas formed from injured nerve endings at the stump site are able to fire abnormal action potentials, and were historically thought to be the main cause of phantom limb pain. Although stump neuromas contribute to phantom pains, they are not the sole cause. This is because patients with congenital limb deficiency can sometimes, although rarely, experience phantom pains. 31
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  • Stump pain Stump pain that occurs immediately after amputation is acute nociceptive pain and usually resolves after a few weeks as the wound heals. Infection or wound dehiscence may prolong postoperative pain in some cases. Stump pain can persist for much longer than the initial period of wound healing, lasting months or years, and occurs in 13--71%of cases. 32
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  • Phantom pain The precise incidence of phantom pain is not known. recent evidence suggests rates of approximately 50-- 78%. Phantom pain normally occurs within the first week after amputation. Phantom pain has been described in various terms (e.g.shooting, burning, cramping and aching) and is characteristically localized in the distal area of the phantom limb. 33
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  • Phantom pain treatment It includes : Pharmacological therapy Noninvasive therapy Minimally invasive therapy Surgery 34
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  • Pharmacological therapy Antidepressants. Tricyclic antidepressants often can relieve the pain caused by damaged nerves. Examples include amitriptyline and nortriptyline (Pamelor). Anticonvulsants. Epilepsy drugs such as gabapentin (Gralise, Neurontin), pregabalin (Lyrica), and carbamazepine (Carbatrol, Tegretol) are often used to treat nerve pain. They work by quieting damaged nerves to slow or prevent uncontrolled pain signals. Narcotics. Opioid medications, such as codeine and morphine, may be an option for some people, they may help control phantom pain. 35
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  • Noninvasive therapy Nerve stimulation. In a procedure called transcutaneous electrical nerve stimulation (TENS), a device sends a weak electrical current via adhesive patches on the skin near the area of pain. This may interrupt or mask pain signals, preventing them from reaching your brain. 36
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  • Electric artificial limb. A type of artificial limb called a myoelectric prosthesis has motors controlled by electrical signals that occur during voluntary muscle activation in the remaining limb. Using a myoelectric prosthesis may reduce phantom pain. 37
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  • Mirror box. This device contains mirrors that make it look like an amputated limb exists. The mirror box has two openings one for the intact limb and one for the stump. The person then performs symmetrical exercises, while watching the intact limb move and imagining that he or she is actually observing the missing limb moving. Studies have found that this exercise helps relieve phantom pain in a significant number of people. 38
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  • Acupuncture. It's thought that acupuncture stimulates your central nervous system to release the body's natural pain-relieving endorphins. Acupuncture is generally considered safe when performed correctly. 39
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  • Minimally invasive therapy Injection. Sometimes injecting pain-killing medications local anesthetics, steroids or both into the stump can provide relief of phantom limb pain. Spinal cord stimulation. Your doctor inserts tiny electrodes along your spinal cord. A small electrical current delivered to the spinal cord can sometimes relieve pain. Intrathecal delivery system. This procedure allows medication to be delivered directly into the spinal fluid. 40
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  • Surgical therapy Brain stimulation. Deep brain stimulation and motor cortex stimulation are similar to spinal cord stimulation except that the current is delivered within the brain. A surgeon uses a magnetic resonance imaging (MRI) scan to position the electrodes correctly. 41
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  • Stump revision or neurectomy. If phantom pain is triggered by nerve irritation in the stump, surgical resection or revision can sometimes be helpful. But cutting nerves also carries the risk of making the pain worse. 42
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  • Newer approaches to relieve phantom pain Virtual reality goggles The computer program for the goggles mirrors the person's intact limb, so it looks like there's been no amputation. The person then moves his or her virtual limb around to accomplish various tasks, such as batting away a ball hanging in midair. Although this technique has been tested on only a few people, it appears to help relieve phantom pain 43
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  • Researchers at University of California, San Diego, reported results of a new study that found amputees find relief from phantom limb pain by simply watching someone else rub their hands together. The researchers believe the act of watching another person rub their hands together activates the amputees brains cells, essentially fooling the brain into thinking the amputees missing hand is being massaged. 44
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  • THE EFFECT OF ACUPRESSURE ON PHANTOM PAIN IN CLIENT WITH EXTREMITIES AMPUTATION Z. Pouresmail *, A. Saberi Shaheed Beheshti University of Medical Sciences, Tehran, Iran Analyzing statistical tests, indicates that acupressure treatment can decrease intensity of phantom pain (p < 0.0001) and decrease amount of medications (p < 0.005) and both of hypothesis were accepted. 46
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  • Pulsed Radiofrequency of Lumbar Dorsal Root Ganglion for Chronic Postamputation Phantom Pain Farnad Imani 1*, Helen Gharaei 1, Mehran Rezvani 1 Global clinical improvement was good in one patient, with a 40% decrease in pain on the visual analogue scale (VAS) in 6 months, and moderate in the second patient, with a 30% decrease in pain scores in 4 months. PRF of the dorsal root ganglia at the L4 and L5 nerve roots may be an effective therapeutic option for patients with refractory phantom pain. 47
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  • Phantom limb pain after amputation in diabetic patients does not differ from that after amputation in nondiabetic patients There is a commonly held belief that diabetic amputees experience less phantom limb pain than nondiabetic amputees because of the effects of diabetic peripheral neuropathy Participants with diabetes were further divided into those with long-duration diabetes (>10 years) and those with short-duration diabetes. Our findings suggest that there is no large difference in the prevalence, characteristics, or intensity of PLP when comparing diabetic and nondiabetic amputees. prevalence in DM group (82.0%) and the ND group (89.4%) (P = 0.391) 49
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  • Pain intensity Mild 4/10 Moderate = 5-6 Severe 7/10 50
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  • 53 Muscle pain : excessive exersion or during inflammation such as : myalgia Colicky pain : cyclic in nature like : menstrual period Referred pain : reflective pain such as MI Post operative pain
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  • Pain Assessment 54
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  • Patient barrier to pain assessment : Communication Altered level of consciousness Elderly patient Neonate & Infants Cultural influence Lack of knowledge 55
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  • Assessment Tools: 1. Initial pain assessment tool 57
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  • 2. Brief pain inventory 59
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  • 3. Visual analogue scale(VAS) 61
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  • 4. Mcgill pain questionnaire Where is your pain? What Does Your Pain Feel Like? How Does Your Pain Change with Time? How Strong is Your Pain? 62
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  • 5. Numeric rating scale(NRS) 64
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  • 6. Wong Baker faces pain rating scale(FACES) 65
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  • 7. Faces pain scale-revised(FPS-R) 66
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  • 8. Iowa pain thermometer(IPT) 67
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  • 9. Faces pain thermometer(FPT) 68
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  • 10. Multiple language pain assessment scale 69
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  • 11. Memorial pain assessment scale 70
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  • 12. Pain scale combined 71
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  • 13. Behavioral pain scale(BPS) 72
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  • 14. Critical care pain observation tool(CPOT) 73 Face expresion Body movement Compliance with the ventilator(intubated patient) Vocalisation(nonintubated patient) Muscle tention
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  • The patient self-report is possible PQRSTU Questionaire : P: Provocative and Palliative or aggravating factors Q: Quality(pain sensation) R: Region or location, Radiation S: Severity and other Symptoms T: Timing(onset,duration,frequency) U: Understanding: patients perception of the problem or cognitive experience of pain 74
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  • Patient self-report is impossible In this condition patient is intubated so nurse can rely on observation of behavioral & physiological indicators. 1. Behavioral Pain Scale (BPS) Advantages : use quickly (2-5 min) & ease of use Disadvantages : Relative complexity Can not use for paralysed & sedate patients 75
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  • 2. Critical pain observation tool(CPOT) Facial expression 76
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  • Body movement 77
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  • Compliance with the ventilator (Intubated patient) 78
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  • Vocalisation (nonintubated patients) 79
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  • Muscle tension 80
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  • Directions for using CPOT Score 0-8 The patient is observed at rest for 1 minute to obtain baseline value. The patient is observed during nociceptive procedures to detect any changes in the patients behavioral responses to pain : Turning (change position) ETT suctioning Wound drain removal Femoral cath removal Placement of CVP line Chest tube removal Non burn wound dressing change 81
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  • Continued The patient is evaluated before and at the peak effect of an analgesic agents. Muscle tension is evaluated last when patient is at rest The validity of this scale is recommended by experts Advantages : Quick enough to be used in ICU Simple to understand Easy to complete Helpful for nursing practice 82
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  • Pharmacologic control Opioid analgesic Morphin,Fentanyl,Meperidin,Codein,Coffein,Methadon (potent opioid)Remifentanyl & Sufentanyl Nonopioid analgesic Acetaminophen,NSAID,(adjuvant)Anticonvulsant, Ketamin,Lidocain 85
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  • Placebo A placebo is defined as any medication or procedure that produces an effect in patients resulting from its implicit or explicit intent and not from its specific physical or chemical properties (Bok, 1974). Placebos often take the form of sugar pills, saline injections, miniscule doses of drugs, or sham procedures designed to be void of any known therapeutic value. 87
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  • placebo It's well known among doctors that people can get pain relief from a placebo. Now, they're closer to understanding the phenomenon called the placebo effect. Positive placebo effects may include symptom reduction or improvements in physiological parameters (e.g., blood pressure) and are believed to be due to mind-body or interpersonal (e.g., attitude and intent of caregiver) factors (Arnstein, 2003). Negative placebo effects, ranging from minor discomforts to life-threatening complications. 88
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  • When the placebo was used, the response of the brain's pain-sensing regions was ratcheted down. These studies showed "placebo effect patterns" in the prefrontal cortex. The prefrontal cortex is the brain region that becomes activated in anticipation of pain relief which triggers a reduction of activity in pain- sensing areas of the brain. This interplay within the prefrontal cortex may trigger a release of pain-relieving opioids in the midbrain. 89 placebo
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  • Surgical control Rhizotomy It is a term chiefly referring to a neurosurgical procedure that selectively destroys problematic nerve roots in the spinal cord, most often to relieve the symptoms of neuromuscular conditions such as spastic cerebral palsy. rhizotomy precisely targets and destroys the damaged nerves that dont receive gamma amino butyric acid, which is the core problem for people with this desease. 90
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  • Cordotomy It is a surgical procedure that disables selected pain- conducting tracts in the spinal cord, in order to achieve loss of pain and temperature perception. For patients experiencing severe pain due to cancer or other diseases for which there is currently no cure Cordotomy is usually done percutaneously with fluoroscopic guidance while the patient is under loca anesthesia. 91
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  • Intercostal nerve block An intercostal nerve block is an injection of a steroid or other medication around the intercostal nerves that are located under each rib. It reduces pain, and other symptoms caused by inflammation or irritation of the intercostal nerve and surrounding structures. Herpes zoster or shingles pain in the chest Pain around a chest scar after a chest surgery 92
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  • Delivery Methods PCA(Patient-Controlled Analgesia) 93
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  • Spinal Analgesia(Subarachnoid,Intrathecal) Injection of analgesic in to the cerebral spinal fluid with a fine needle. As a means of reducing pain for chronic medical condition or lower back injury. Injection below the abdomen wide awareness Injection higher spinal affect the respiratory muscle(paralyze) no consciousness Complication immediate (operation room) late(ward,PACU) 94
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  • Complication: Nerve root injury Hypothermia Hypotension Infection Bleeding Swelling Headache Back pain Trouble breatthing Cardiac arrest Nausea & vomiting 95
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  • Epidural analgesia Injection of analgesic in to the epidural space. This procedure is high risk for : Anatomical abnormalities (Spina Bifida) Previous spinal surgery Certain CNS problem Contraindication Lack of consent Bleeding disorder or who takes anticoagulant like warfarin Infection near the site Sepsis Uncorrected hypovolemia 96
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  • Note Very large dose can cause paralysis of intercostal muscles, diaphragm & loss of sympathetic function to the heart HR, RR Airway Support Risk of fall Sensation for urination diminish Complication Epidural hematoma Seizure Neurological injury Paraplesia Arachnoditis Death 97
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  • TENS(Transcutaneous Electrical Nerve Stimulation) 99
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  • TENS It sends electrical impulses to the skin via electrodes. The goal of these tingling electrical impulses is to block pain signals and to stimulate the release of naturally produced pain killers such as endorphins. TENSis a non-invasive, low-risk nerve stimulation. 100
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  • TENS Control of acute or chronic pain Management of postsurgical pain Reduction of post-traumatic acute pain 101
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  • Nonpharmacologic Control 102
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  • Guidelines for Individualizing Pain Relief Establish a relationship of mutual trust Use different types of pain-relief measures Provide pain-relief measures before pain becomes severe. Consider the clients ability or willingness to participate in pain-relief measures. Choose pain-relief measures on the basis of the clients behavior reflecting the severity of pain. Use measures that the client believes are effective. 103
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  • guideline If therapy is ineffective at first, encourage the client to try it again before abandoning it. Keep an open mind about what might relieve pain Keep trying Protect the client Educate the client about pain 104
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  • Educational approaches Recognize and reduce stigma attached with chronic pain Recognize and reduce stigma attached with use of pain medications Assist client to explore personality traits and impact upon pain Recognize the impact upon pain of catastrophizing and fear of pain Help client develop an acceptance of pain and to move from a passive to an active orientation in addressing their pain 105
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  • educational approach Address sleep hygiene and the utilization of diaphragmatic breathing and self-hypnosis skills Recognize and reduce client isolation Encourage and foster interpersonal support systems Emphasize importance of physical conditioning and general good health habits 106
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  • Geriatric Consideration They accept pain as a normal & unavoidable with aging. They may not demonstrate objective signs & symptoms because of years of adaptation & increased pain tolerance. The effect of opioid analgesic are prolonged because of decreased metabolism & clearance of drug. Take multiple drugs side effects drugs be started at a lower dosage Monitoring drugs interaction is necessary. Taking drugs with toxic metabolism that excrete renally shoild be avoided esp in those who are at risk for renal insufficiency. 108
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  • Pediatric Considerations Studies have shown that, when adults and children undergo the same surgery, children are under medicated. In one study, 52% of the children received no analgesic postoperatively, whereas the remaining 48% received aspirin or acetaminophen. Maturational and chronologic age, cause of pain, coping style, parental response, culture, past pain experiences, and whether pain is acute or chronic influence the childs response to pain. 109
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  • pediatric considerations Infant Associates environment with painful experience Cries loudly and makes verbal protests long after the stimulus is withdrawn Toddler Fears body intrusion Does not understand rationale for pain or have ability to conceptualize the duration of the experience, even if told Seeks out parental figures as a source of comfort 110
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  • pediatric considerations Pre-schooler Engages in magical thinking or fantasies (e.g., believes something they thought or did caused the pain) Uses increased verbal skills to communicate pain Has limited understanding of time After pain passes, talks to toys or other children about the pain experience Denies pain, especially if he or she associates it with adverse consequences (e.g., injection, ridicule if not brave) 111
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  • pediatric considerations School-Aged Fears body injury Can describe the cause, type, quality, and severity of pain Can rate the severity of pain Attempts to relate the pain experience to previous events and gain control over actions Denies pain, especially if he or she associates it with adverse consequences May be influenced by presence of parents in expressing pain 112
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  • pediatric considerations Adolescent Considers body image as very important May use overconfidence to compensate for fear May use more socially acceptable behavioral responses to pain than do younger children, but fear and anxiety are not decreased May be influenced by presence of parents in expressing pain 113
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  • Nursing diagnosis Decreased pain tolerance related to : disbelief from others and uncertainty of prognosis fatigue fear(exp of addiction, loss of control) monotony financial & social stressors lack of knowledge 114
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  • Disbelief from others Stablish a supportive accepting relationship acknowledge the pain listen attentively to the clients discussion of pain Assess the family for any misconception about pain or its treatment explain the concept of pain as an individual experience discuss factors related to increased pain & options to manage encourage family members to share their concerns privately 115
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  • Lack of knowledge / uncertainty Explain the cause of the pain, if known Explain the severity of the pain & how long it will last Explain the diagnostic tests & procedures in detail 116
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  • Fear Provide accurate information to reduce fear of addiction Assist in reducing fear of losing control Include the client in setting a realistic pain goal Provide privacy for the clients pain experience Attempt to limit the number of health care providers who provide care allow the client to share intensity of pain Involve the social worker or case manager if social or financial concerns exist 117
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  • Fatigue Determine the cause of fatigue (sedatives, analgesics, sleep deprivation) Explain that pain contributes to stress which increases the fatigue Assess present sleep pattern & the influence of pain on sleep Provide opportunities to rest during the day & with period of uninterrupted sleep at night Consult with physician for an increases dose of pain medication at bedtime 118
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  • Monotony Discuss with the client and family to use distraction method for relief (watching TV, listening to music) Vary the environment if possible 119
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  • Some desired outcome The client will experience diminished pain as evidenced by : Verbalization of decrease in or absence of pain Relaxed facial expression and body positioning Increased participation in activities Stable vital signs 120
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  • Other diagnosis Anxiety, fear, crisis reaction, stress Impact on spirituality and meaningfulness; hope and hopelessness Psychological effect of unrelieved pain on perceptions of control and self-efficacy Depression, wish to die, suicidal risks, grief Impact of persistent pain on habits, roles, occupational performance, and future quality of life Personality and gender influences on pain experience 121
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  • other diagnosis Loss of activity: vocational, recreational, related to family Loss of identity: reassessing self image, grieving lost abilities, reassessing relationships and roles 122
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  • Case report Brief patient history Ms Nikjoo is a 63 y/o woman with type 2 DM & peripheral arterial occlusive disease with neuropathy. She is disabled because of limited mobility & chronic pain associated with lower extremity claudication & neuropathic pain. Her pain has been managed with gabapentin 600 mg TDS & 3 mg morphine PRN. Clinical assessment She is admitted to the ICU after an 8hr surgical revascularization of the right lower extremity. She is awake, alert & oriented.she complains of right lower extremity & bilateral foot pain. Her skin is warm and dry & the sensation to touch is intact and she is able to move her toes on command however she is complaining of severe burning on both feet. 124
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  • Diagnostic procedure She reports that her pain is a 10 on the Baker-Wong Faces Scale. Medical diagnosis The diagnosis is acute postoperative incisional pain superimposed on chronic neuropathic pain involving both lower extremities. Neuropathic pain is likely worsened because of missed doses of gabapentin. 125
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  • References Carpenito/Nursing diagnosis to clinical practice /forth edition/Lippincott Williams & Wilkins/2013 Bates nursing guide physical examination & history taking /Lippincott Williams & Wilkins/2012 Linda D Urden kathleen M Stacy Mary E Lough /Critical Care Nursing (Diagnosis & Management)/sixth edition/mosby elsevier 2010 Ulrich, Canale/Nursing care planning guide /sixth edition/2005 / / /1382 126
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  • 127 Thanks for your attention