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Managing Chronic Pain, An Issue of Medical Clinics of North America, E-Book

Managing Chronic Pain, An Issue of Medical Clinics of North America, E-Book

Charles E. Argoff

(2016)

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Book Details

Abstract

This issue of Medical Clinics of North America, Guest Edited by Charles Argoff, MD is devoted to Chronic Pain Management. Dr. Argoff has assembled a group of expert authors to review the following topics: Chronic Pain Management: An Overview of Taxonomy, Conditions Commonly Encountered, and Assessment; The Acute to Chronic Pain Transition:  Can Chronic Pain Be Prevented?; What Do We Know About the Pathophysiology of Chronic Pain?  Implications for Treatment Considerations; An Overview of Pharmacologic Management of Chronic Pain; An Overview of Nonmedical Treatment of Chronic Pain; Managing Chronic Headache Disorders; Managing Osteoarthritis and Other Chronic Musculoskeletal Pain Disorders; Managing Neuropathic Pain; Managing Low Back and Other Spinal Pain Disorders; Exploring the Use of Chronic Opioid Therapy for Chronic Pain:  When, How and for Whom?; The Role of Invasive Pain Management Modalities in the Treatment of Chronic Pain; Multimodal Management of Chronic Pain: What is the Evidence?; Managing Chronic Pain in Special Populations; and The Future of Pain Management as a Subspecialty:  Meeting the Needs of the Patients We Care For.

Table of Contents

Section Title Page Action Price
Front Cover Cover
Managing Chronic Pain\r i
Copyright\r ii
PROGRAM OBJECTIVE iii
TARGET AUDIENCE iii
LEARNING OBJECTIVES iii
ACCREDITATION iii
DISCLOSURE OF CONFLICTS OF INTEREST iii
UNAPPROVED/OFF-LABEL USE DISCLOSURE iv
TO ENROLL iv
METHOD OF PARTICIPATION iv
CME INQUIRIES/SPECIAL NEEDS iv
MEDICAL CLINICS OF NORTH AMERICA\r v
FORTHCOMING ISSUES v
March 2016 v
May 2016 v
July 2016 v
RECENT ISSUES v
November 2015 v
September 2015 v
July 2015 v
Contributors vii
CONSULTING EDITORS vii
EDITOR vii
AUTHORS vii
Contents xi
Foreword: The Management of Chronic Pain: What Do We Know, What Do We Do,\rand How Should We Redesign Our Comprehensive Assessment and Treatment in\rorder to Provide for More Patient-Centered Care?\r xi
Preface: Yes, You Can Manage Chronic Pain\r xi
Chronic Pain Management: An Overview of Taxonomy, Conditions Commonly Encountered, and Assessment1 xi
The Acute to Chronic Pain Transition: Can Chronic Pain Be Prevented?17 xi
What Do We Know About the Pathophysiology of Chronic Pain? Implications for Treatment Considerations31 xi
Biopsychosocial Approach to Assessing and Managing Patients with Chronic Pain\r xii
Multimodal Treatment of Chronic Pain\r xii
An Overview of Pharmacologic Management of Chronic Pain \r xii
Exploring the Use of Chronic Opioid Therapy for Chronic Pain: When, How, and for Whom?\r xii
The Role of Invasive Pain Management Modalities in the Treatment of Chronic Pain\r xiii
Managing Chronic Headache Disorders\r xiii
Managing Osteoarthritis and Other Chronic Musculoskeletal Pain Disorders\r xiii
Managing Neuropathic Pain\r xiii
Acute and Chronic Low Back Pain\r xiv
Managing Chronic Pain in Special Populations with Emphasis on Pediatric, Geriatric, and Drug Abuser Populations\r xiv
Is Platelet-Rich Plasma a Future Therapy in Pain Management?\r xiv
Foreword :\r\rThe Management of Chronic\rPain: What Do We Know, What\rDo We Do, and How Should We\rRedesign Our Comprehensive\rAssessment and Treatment in\rorder to Provide for More\rPatient-Centered Care? xvii
Preface: Yes, You Can Manage Chronic Pain \r xix
Chronic Pain Management 1
Key points 1
THE EXPERIENCE OF PAIN 2
THE BIOLOGY OF CHRONIC PAIN 2
PAIN TAXONOMY 3
Taxonomy of Chronic Pain I: Mechanisms of Chronic Pain as a Medical Disorder 3
Taxonomy of Chronic Pain II: Clinical Pain Categories 4
Neuropathic pain 5
Fibromyalgia and related disorders 5
PAIN CATEGORIES BASED ON ORGAN SYSTEM OR REGION 6
Musculoskeletal Pain 6
Myofascial Pain 6
Spinal Pain 6
Headache 6
Vascular Pain 7
Visceral and Pelvic Pain 7
Cancer Pain 7
ASSESSMENT OF PAIN 7
PAIN ASSESSMENT INSTRUMENTS 8
Verbal Rating Scales 8
Numeric Rating Scales 8
Visual Analog Scales 8
QUALITATIVE SCALES, DISABILITY SCALES, AND DISCRIMINATIVE INSTRUMENTS 10
McGill Pain Questionnaire 10
Brief Pain Inventory 10
CATEGORY-SPECIFIC PAIN ASSESSMENT INSTRUMENTS 10
Oswestry Low Back Pain Questionnaire 10
Neuropathic Pain Assessment Tools 10
ASSESSING RISK AND BENEFIT OF OPIOID THERAPY 11
Screener and Opioid Assessment for Patients with Pain 11
Opioid Risk Tool 11
Diagnosis, Intractability, Risk, Efficacy 11
ASSESSMENTS OF PSYCHOLOGICAL STATE AND TRAIT IN PAIN MANAGEMENT 11
PUTTING IT ALL TOGETHER: A SAMPLE PAIN MANAGEMENT CONSULTATION 12
Chief Complaint 12
History of Present Illness 12
Past Medical History 12
Past Surgical History 12
Psychiatric History 12
Social History 12
Medications 13
Allergies 13
Focused Physical Examination 13
Brief Pain Inventory 13
McGill Pain Questionnaire 13
Oswestry Low Back Pain Questionnaire 13
Opioid Risk Tool 13
Medical Diagnosis 13
Treatment Recommendations 13
REFERENCES 14
The Acute to Chronic Pain Transition 17
Key points 17
INTRODUCTION 17
RISK FACTORS FOR DEVELOPMENT OF CHRONIC POSTSURGICAL PAIN 18
Demographic Factors 18
Genetic Factors 19
Psychosocial Factors 19
Disease States 19
Preoperative Pain 20
Surgical Factors 20
Anesthetic Factors 20
Acute Postoperative Pain 21
PREDICTION OF POSTOPERATIVE PAIN 21
PROPOSED MECHANISMS OF CHRONIC POSTSURGICAL PAIN 22
Neuroplasticity 23
Sensitization 23
N-methyl-d-aspartic acid receptors 24
Cyclo-oxygenase-2 24
PREVENTION 24
THE “IDEAL” ACUTE TO PERSISTENT PAIN STUDY 25
FUTURE CONSIDERATIONS/SUMMARY 26
REFERENCES 27
What Do We Know About the Pathophysiology of Chronic Pain? 31
Key points 31
PAIN SIGNAL TRANSMISSIONS 32
INHIBITORY PATHWAYS 32
NOCICEPTIVE PAIN 32
NEUROPATHIC PAIN 33
NEUROPATHIC PAIN TRANSMISSION 33
CHALLENGES IN CHRONIC NEUROPATHIC PAIN 34
Cold Hyperalgesia 34
PERIPHERAL NERVE INJURY 34
WIND-UP PAIN 35
Presynaptic Mechanisms 37
CENTRAL SENSITIZATION 37
PATHOPHYSIOLOGY OF CENTRAL SENSITIZATION 37
CENTRAL SENSITIZATION AND CLINICAL PAIN PHENOTYPE 38
BLOCKING NERVE CONDUCTION IN PERIOPERATIVE PERIODS: PREEMPTIVE STRIKES? 39
PSYCHOLOGICAL FACTORS 39
MEDICATION MANAGEMENT OF NEUROPATHIC PAIN, CURRENT RECOMMENDATIONS 40
SUMMARY 41
REFERENCES 41
Biopsychosocial Approach to Assessing and Managing Patients with Chronic Pain 43
Key points 43
INTRODUCTION 43
CURRENT APPROACH TO PAIN TREATMENT 44
CHRONIC PAIN CARE IN THE PRIMARY CARE SETTING 44
BIOPSYCHOSOCIAL APPROACH TO PAIN 45
INITIAL ENCOUNTER WITH PATIENT WITH CHRONIC PAIN 45
BIOPSYCHOSOCIAL DIAGNOSTIC EVALUATION/INTERVIEW 45
Clinical Interview 46
Physical Examination and Diagnostic Testing 46
Mental Health/Substance Use Disorder Screening 47
BIOPSYCHOSOCIAL TREATMENT PROGRAM 47
Pharmacotherapy 47
Physical Therapy 48
Cognitive Behavioral Therapy 48
Acceptance Commitment Therapy 49
Barriers to Receiving Cognitive Behavioral Therapy/Acceptance Commitment Therapy 49
E-Health 50
FUTURE CONSIDERATIONS/SUMMARY 50
ACKNOWLEDGMENTS 51
REFERENCES 51
Multimodal Treatment of Chronic Pain 55
Key points 55
INTRODUCTION 55
PHARMACOLOGIC TREATMENT 56
THEORY BEHIND COMBINED PHARMACOLOGIC TREATMENT 57
STUDIED COMBINATIONS OF ANALGESIC MEDICATIONS IN COMMON PAIN CONDITIONS 58
Neuropathic Pain 58
Arthritis 58
Back Pain 59
Fibromyalgia 59
PSYCHOLOGICAL APPROACHES 59
INTERVENTIONS 60
INTERDISCIPLINARY PAIN REHABILITATION PROGRAMS 61
Fibromyalgia 61
Chronic Low Back Pain 61
COMPLEMENTARY AND ALTERNATIVE MEDICINE AND SELF-MANAGEMENT 61
SUMMARY 61
REFERENCES 62
An Overview of Pharmacologic Management of Chronic Pain 65
Key points 65
OVERVIEW OF THE PHARMACOLOGIC MANAGEMENT OF CHRONIC PAIN 65
CLASSES OF MEDICATIONS 66
Nonsteroidal Anti-inflammatory Drugs 66
OPIOIDS 66
ANTIDEPRESSANTS 67
ANTICONVULSANTS 68
TOPICAL AGENTS 69
CANNABINOIDS 69
BOTULINUM TOXIN 70
INTRATHECAL DRUG THERAPY 71
SUMMARY 75
REFERENCES 75
Exploring the Use of Chronic Opioid Therapy for Chronic Pain 81
Key points 81
INTRODUCTION 82
INITIAL EVALUATION AND ASSESSMENT 82
Pharmacologic Strategies: Opioid Trial 82
Informed consent and opioid treatment agreements 84
Adverse effects and risks associated with opioids 85
Contraindications to opioids 86
TREATMENT INITIATION, TITRATION, AND MAINTENANCE 88
Initiation 88
Titration 88
Breakthrough Pain 88
Opioid Rotation 90
REASSESSMENT AND FOLLOW-UP 90
MONITORING PARAMETERS 91
Urine Drug Tests 92
Prescription Drug Monitoring Program 92
HIGH-RISK PATIENTS AND SPECIAL POPULATIONS 92
High-Dose Opioids and the Morphine-Equivalent Dose 92
Extended-Release or Long-Acting Opioids 92
Neuropathy 94
Pharmacogenetics in Pain Management 94
Discontinuation of Therapy 94
Opioid Reversal: Naloxone 98
Use in Obstetrics, Gynecology, and Neonatology 98
SUMMARY 98
REFERENCES 99
The Role of Invasive Pain Management Modalities in the Treatment of Chronic Pain 103
Key points 103
INTRODUCTION 103
PROCEDURE 1: CORTICOSTEROID INJECTIONS 104
Facet Joint Injections 104
Indications 104
Managing Chronic Headache Disorders 117
Key points 117
INITIAL EVALUATION OF HEADACHES 117
FOUR COMMON SECONDARY HEADACHE DISORDERS 119
Subarachnoid Headache 119
Brain Tumor Headaches 120
Idiopathic Intracranial Hypertension: Pseudotumor Cerebri 120
Treatment for IIH 121
Giant Cell Ateritis (Temporal Arteritis) 121
Workup 122
Treatment 122
MIGRAINE MANAGEMENT 122
EPIDEMIOLOGY 122
TREATMENT 123
ACUTE TREATMENT 123
PROPHYLAXIS 123
INTERVENTIONAL TREATMENT 126
Onabotulinum Toxin A 126
PERIPHERAL NERVE STIMULATION FOR THE TREATMENT OF PRIMARY HEADACHES 126
COMPLEMENTARY THERAPY 131
Feverfew 132
MANAGEMENT OF MENSTRUAL MIGRAINES 132
MANAGEMENT OF MIGRAINES DURING PREGNANCY AND LACTATION 132
PROPHYLAXIS 134
EMERGENCY TREATMENT 135
TENSION-TYPE HEADACHE 135
CLUSTER HEADACHE 137
INPATIENT TREATMENT OF MIGRAINE, TENSION HEADACHE, AND CLUSTER AND OTHER AUTONOMIC CEPHALGIAS 137
REFERENCES 140
Managing Osteoarthritis and Other Chronic Musculoskeletal Pain Disorders 143
Key points 143
INTRODUCTION 143
ETIOLOGY OF OSTEOARTHRITIS 143
TREATMENT OPTIONS 144
Exercise 144
Weight Reduction 144
Physical/Occupational Therapy 145
PHARMACOLOGIC OPTIONS 145
Topical Nonsteroidal Anti-inflammatory Drugs 145
ALTERNATIVES 147
REFERENCES 149
Managing Neuropathic Pain 151
Key points 151
ASSESSMENT OF NEUROPATHIC PAIN 151
History 152
Physical Examination 153
Diagnostic Testing 154
MANAGEMENT 154
Pharmacotherapy for Neuropathic Pain 154
Role of pharmacotherapy as a part of multimodal therapy and treatment planning 154
Topical agents 155
Local anesthetics 155
Capsaicin 157
Topical nonsteroidal anti-inflammatory drugs and other compounded preparations 157
Intradermal injections 157
Botulinum toxin 157
Medications for systemic administration 157
Neuromodulating medications 157
Anticonvulsants 158
Antidepressants 158
Other medications, including those with positive limited clinical trials and clinical experience: intravenous lidocaine and ... 158
Opioids 158
Nonpharmacologic Treatment of Neuropathic Pain 159
Cognitive-behavioral therapy 159
Support groups 160
Physical therapy modalities and other methods of active engagement 160
Interventional nerve blocks for neuropathic pain 160
Peripheral nerve blocks for peripheral neuralgias and trigeminal neuralgia 160
Sympathetic nerve blocks for complex regional pain syndrome 161
Epidural steroid injections for radiculopathy 161
Potential complications 161
Neurolysis 162
Pulsed Radiofrequency Treatment of Neuropathic Noncancer Pain 162
Radiofrequency ablation and neurolytics for cancer pain of sympathetic ganglia 162
Potential complications 162
Spinal cord and pripheral nerve stimulation 163
Acute and Chronic Low Back Pain 169
Key points 169
MAGNITUDE OF THE PROBLEM 169
RISK AND PROGNOSTIC FACTORS 170
PRESENTATION 170
PHYSICAL EXAMINATION 171
IMAGING 176
TREATMENT 178
SUMMARY 179
REFERENCES 179
Managing Chronic Pain in Special Populations with Emphasis on Pediatric, Geriatric, and Drug Abuser Populations 183
Key points 183
INTRODUCTION 183
PEDIATRIC CHRONIC PAIN 184
GERIATRIC CHRONIC PAIN 186
SUBSTANCE ABUSERS: A SPECIAL POPULATION 188
GENETICS AS A FUNDAMENTAL VULNERABILITY ACROSS THE LIFESPAN 189
SUMMARY 191
REFERENCES 191
Is Platelet-Rich Plasma a Future Therapy in Pain Management? 199
Key points 199
INTRODUCTION 199
WHAT IS PLATELET-RICH PLASMA AND HOW IS IT CREATED? 200
Variety of Platelet-Rich Plasma End Products 201
Platelet-Rich Plasma Containing White Blood Cells 202
Platelet-Rich Plasma Activated by Exogenous Thrombin 202
Platelet-Rich Fibrin Matrices 203
Current Clinical Applications of Platelet-Rich Plasma 203
Platelet-Rich Plasma Injection in Lateral Epicondylitis (Tennis Elbow) 203
Osteoarthritis and Articular Cartilage Healing 204
Platelet-Rich Plasma as an Adjunct Therapy to Surgical Rotator Cuff Repair 205
HOW PLATELET-RICH PLASMA CAN HELP TO RELIEVE NEUROPATHIC PAIN 205
Clinical Evidence That Platelet-Rich Plasma Has the Potential for Relieving Neuropathic Pain 206
INTERVERTEBRAL DISC DEGENERATION AND THE ROLE OF PLATELET-RICH PLASMA AS A THERAPEUTIC OPTION 206
The Efficacy of Platelet-Rich Plasma Therapy in Intervertebral Disc Degeneration Seen Through In Vivo and In Vitro Studies 207
INFORMATION FOR PHYSICIANS USING PLATELET-RICH PLASMA THERAPY 209
Patient Disclosure, Potential Side Effects, and Costs of Treatment 209
FUTURE CONSIDERATION/SUMMARY 210
REFERENCES 210
Index 219