Pain Medicine
Pain medicine certification by the American Board of Pain Medicine requires completion of a one-year fellowship in pain medicine and passing the pain medicine exam. Browse or search the content outline below.
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A. General
1. Background Concepts
a. Anatomy, Physiology, and Pharmacology of Nociception
2.
Central mechanisms: Spinal transmission in the dorsal horn, spinal processing, spinal reflexes, medullary dorsal horn mechanisms
b. Development of Pain Systems
c. Research Methodology of Pain
2.
Measurement of burden in a population, including epidemiologic measures of occurrence (prevalence, incidence)
1.
Observational studies: uses and limitations (e.g., measurement of strength of association between risk factors and pain); know major risk factors for development of chronic pain
3.
Concepts of significance and power, type 1 and type 2 errors, relationship to sample size
4.
Application of tests to evaluate studies: t-test, ANOVA, linear regression, chi-squared test, odds ratios, logistic regression, effect size, statistical power, number needed to treat, number needed to harm
5.
Precision of tests with regards to clinical relevance: repeatability, minimal clinically important difference (MCID)
6.
Meta-analysis: summary statistics, effect size, standardized mean differences, and odds ratios
1.
Grades of evidence, difficulties of combining evidence in reviews and meta-analysis and systematic reviews
ix.
Ethical standards in pain management and research
1.
Ethics of pain management and research: principles of justice, autonomy, beneficence, nonmaleficence
d. Teamwork and Care Coordination
i.
Importance of coordination of care with colleagues and health systems relevant to patient care
ii.
Mentorship and personal well-being: personal development, balance between professional requirements and personal life
e. Legal and Regulatory Issues
ii.
Legal actions and consequences: National Practitioner Data Bank, Closed Claims findings, professional liability insurance
iii.
Understanding laws related to controlled substances, including opioids and cannabinoids
iv.
Patient privacy issues: principles of confidentiality, access to records, protected health information
2. Assessment of Pain
a. Clinical Pain Evaluation
1.
Analgesia, hyperalgesia, hypoalgesia, anesthesia, hyperesthesia, hypoesthesia, paresthesia, dysesthesia
1.
Basic medical examination: history taking, physical examination, mental status examination
2.
Body functions, body structures, assessment of motor function, assessment of sensory function, assessment of autonomic function
3.
Biomedical assessment: response to treatments to date, prior and ongoing pharmacological management, nutritional status, sleep status, sexual function, general health
b. Placebo and Pain
c. Assessment of Functional Outcomes and Disability
1.
Body functions and structures: anatomic, physiological and psychological function, impairment (sleep, attention, temperament, emotional, cognitive)
2.
Activities and participation: execution of task, involvement in life situation, limitations and restrictions (exercise tolerance, sexual function, mobility)
3.
Developing a pain rehabilitation program: assess static and dynamic flexibility, strength, coordination, agility for joint, spinal, and soft tissue pain conditions
1.
Environmental factors: physical, social, and attitudinal (role of health and social services, workplace policies, attitudes of health professionals)
2.
Personal factors: role of partners and family, role of workplace, cultural background, religious or spiritual principles, position in society, recreational and leisure activities
d. Assessment of Psychosocial and Cultural Aspects of Pain
1.
Definition and measurement: validated tools for older adults, cognitively impaired, those with behavioral issues, patients from diverse socioeconomic backgrounds
2.
Social, cultural, psychological, physical, genetic, age, health literacy, religion, role of family
3.
Role of psychology, physical and occupational therapy, nursing, social work: multimodal approach from one practitioner, multidisciplinary approach from a team, referrals to other specialists
4.
Assessment of nutritional status, sleep function, sexual function, general health, past treatments, and pharmacological management
5.
Assessment of special populations: pregnant women, older adults, mental health disorders (dementia, intellectual disabilities), active or past substance abuse, opioid tolerant patients)
1.
Focused assessment of home situation, family role, employment, financial status, recreational activities, cultural beliefs
4.
Understand beliefs about pain, expected prognosis, life interference, changes to lifestyle and identity
e. Sex and Gender Issues in Pain
ii.
Sex differences: role in epidemiology of pain in relation to age and reproductive history
f. Imaging and Electrodiagnostic Evaluation
3. Treatment of Pain: Pharmacotherapy
a. Opioids
ii.
Pharmacokinetics, pharmacodynamics, pharmacogenomics: dose equivalence, renal and hepatic impairment
iv.
Specific drugs: buprenorphine, methadone, codeine, fentanyl, hydromorphone, morphine, oxycodone, oxymorphone, tapentadol, tramadol
v.
Route of administration: oral, sublingual, buccal, rectal, transdermal, topical, subcutaneous, intramuscular, intravenous, intra-articular, epidural, spinal
vii.
Effectiveness of opioids: evidence base, loss of efficacy with time, length of treatment, effect on general function
viii.
Opioids in chronic non-cancer pain: use in persons with substance use disorders, addiction vs. pharmacological tolerance, withdrawal symptoms
x.
Adverse effects: opioid induced hyperalgesia, opioid tolerance, effects on immune system, endocrine system, cardiovascular system, role in tumor growth, and cognitive effects, impact on driving
b. Antipyretic Analgesics: Nonsteroidals, Acetaminophen, and Phenazone Derivatives
c. Antidepressants and Anticonvulsants
d. Other Analgesic Pharmacotherapy
4. Treatment of Pain: Procedural
a. General Considerations
b. Nonsurgical Stimulation-Produced Analgesia
i.
Peripheral stimulation techniques (TENS, acupressure, acupuncture, electroacupuncture, vibration)
c. Injections, Nerve Blocks, and Lesioning
i.
Nerve blocks and neurolytic techniques: diagnostic and treatment purposes; clinical indications, risks, anatomy, pharmacology, and use of drugs
3.
Regional tissue plane blocks: transversus abdominis, erector spinae, serratus plane, pectoralis blocks, and others
5.
Neuraxial injections, intrathecal blocks, and neurolysis: spinal, epidural (interlaminar, transforaminal, caudal, nerve root injections)
7.
Radiofrequency ablation: joints, cervical, thoracic, lumbar, and sacral indications and techniques
iii.
Vertebral augmentation procedures (kyphoplasty, vertebroplasty): indications, benefits, risks, associated complications
d. Neuromodulation (Implanted Devices): Indications, Benefits, Risks, Associated Complications
e. Neuroablative Pain Management
i.
Ablative procedures (cordotomy, DREZ, neurolytic blocks for cancer): indications, benefits, risks, associated complications
f. Regenerative Pain Medicine
i.
Environmental products (hyaluronic acid, amniotic fluid, platelet-rich-plasma): Risks, benefits, associated complications
ii.
Cellular products (lipoaspirate, bone marrow aspirate, umbilical cord blood, stem cells): Risks, benefits, associated complications
5. Treatment of Pain: Psychological, Physical, and Integrative Therapies
a. Cognitive-Behavioral and Behavioral Interventions
i.
Cognitive and behavioral strategies: application to specific pain syndromes (e.g., TMJ pain, neck and back pain, fibromyalgia, arthritis pain, burn pain, postoperative pain)
ii.
Integration of approaches: cognitive-behavioral treatments, combined behavioral and drug treatments; economic benefits of integrating treatment
iii.
Stages of behavioral change and their effect on readiness to adopt self-management strategies for chronic pain
iv.
Cognitive-behavioral and self-management interventions: common process factors (e.g., rapport, engendering hope and positive expectations, developing a therapeutic alliance, communication strategies, support, suggestion)
v.
Solution-focused brief therapy, mindfulness-based therapy, family therapy, hypnosis and guided imagery, biofeedback, progressive muscle relaxation
b. Mental Health Treatment
i.
Role of biofeedback, operant therapy, mindfulness, CBT, hypnosis, relaxation, motivational enhancement therapy
ii.
Psychiatric and psychological factors that impact treatment adherence and the therapeutic alliance with treatment providers (e.g., psychological factors affecting other medical conditions)
iii.
Pharmacotherapy for treatment of comorbid conditions: antidepressants, mood-stabilizing agents, anxiolytics, antipsychotics
iv.
Psychotherapy for depressive disorders: cognitive-behavioral, marital, family, interpretive, group therapy
vii.
Somatic complaints in chronic pain: conversion (functional neurological symptom) disorder, somatic symptom disorder, and illness anxiety disorder
viii.
Role of education, fear avoidance, self-esteem, self-efficacy, self-control, sick role, illness behavior, and individual differences in affective, cognitive, and behavioral responses to pain
ix.
Coping styles: definition and effect on pain experience and response to treatment outcome, maintenance of treatment effects, catastrophizing
x.
Role of cultural and environmental factors: effect on treatment outcome, maintenance of treatment effects
xi.
Role of family: importance of interviewing and training patient and relatives; evaluating information from relatives
c. Physical Medicine and Rehabilitation Modalities and Treatment
i.
Role of physiotherapy, principles of pacing, graded activity, passive and active therapy, manual therapy, exercise prescription
d. Work Rehabilitation and Management of Return to Work
ii.
Psychosocial factors as the main determinants of disability and as predictors of prolonged work absence
iii.
Identification of obstacles to recovery (e.g., fear of reinjury, low expectations of recovery, low mood, anxiety, withdrawal from social interaction); reliance on passive treatments; negative attitude to physical activity and self-management
iv.
Components of successful, comprehensive rehabilitation program (general exercise, cognitive therapy, vocational elements)
v.
Multidisciplinary approaches for those who do not return to work within a few weeks (active exercise, addressing distorted beliefs about pain, enhancing coping strategies, promoting self-management)
e. Complementary and Integrative Therapies (CAM)
1.
Alternative medical systems (e.g., traditional Chinese medicine, homeopathy, mind- body interventions, energy therapy)
B. Clinical States
1. Taxonomy: Classification of Pain Syndromes
a. Taxonomy of Pain Systems
b. Chronic Pain as a Symptom or a Disease: ICD coding basis and application
iii.
Pain qualifiers: severity, interference, psychological factors, social factors, impairment and disability
2. Chronic Widespread Pain Syndromes
a. Chronic Widespread Pain: Definition, Characteristics, Comorbidities
1.
Mechanisms: somatization and hypervigilance, caused by injury, psychological, infection, growth hormone or immune system disorder, malingering
2.
Criteria for diagnosis: tender points, fatigue, sleep problems, mood disturbance, cognitive effects
3.
Associated conditions: irritable bowel syndrome, headache, cystitis, chronic fatigue syndrome
3. Acute Pain, Pain due to Trauma, and Postoperative Pain
c. Utilization and Effectiveness of Major Classes of Drugs Used for Acute Pain Management
iii.
Adjuvant drugs (NMDA-receptor antagonists, anticonvulsants, antidepressants, alpha-2 adrenergic agonists, corticosteroids, intravenous lidocaine)
d. Central, Perineural, and Infiltrative techniques (Joints, Nerves, Tissue Planes)
f.
Multimodal Analgesia for Optimal Perioperative Pain Management: Formulation Based on Type and Cause of Pain, Patient Preference, Physical and Mental Status, and Available Expertise and Technology
g. Nonpharmacologic Assessment and Treatment for Acute and Postoperative Pain
i. Tools for Assessment and Measurement of Acute and Postoperative Pain
j.
Role of Patient and Family Education in Improving Acute and Postoperative Pain Management
k. Treatment of Special Populations for Acute Pain and in the Postoperative Setting
l. Development of Chronic Postsurgical or Posttraumatic Pain after Acute Pain
iii.
Chronic pain after thoracotomy, breast surgery, herniorrhaphy, hysterectomy, arthroplasty, or other specified chronic post-surgical pain
4. Musculoskeletal Pain
a. Neck Pain and Cervical Radicular Pain
i.
Public health dimensions: prevalence, demography, personal and societal costs (quality of life, ability to work, social function, disability)
iv.
Natural history and relevance to management: predictors of chronicity, including whiplash injury
v.
Causes and differentiation of neck pain and somatic nerve pain: evaluation and treatment of pain from the cervical spine or the shoulder
1.
Rational and use of assessment tools for neck pain: assessment of mood, function, anxiety, catastrophizing, overall quality of life
2.
Differential diagnosis for neck pain: infection, trauma, neoplasm, metabolic disease, inflammatory disease
vi.
History taking and physical examination: reliability, validity, limitations, and “red flag” pathologies
xiv.
Nonsurgical intervention: evidence for efficacy of reassurance, maintaining activity, and exercises
2.
Psychological therapy: cognitive-behavioral, biofeedback, mindfulness, relaxation, hypnosis
3.
Physical therapy: exercises, hydrotherapy, manual therapy, massage, acupuncture, electrical stimulation (TENS), traction
4.
Multidisciplinary therapy: use and limitations, combined physical and psychological approaches
b. Back Pain and Lumbar Radicular Pain
i.
Public health dimensions: prevalence, demography, personal and societal costs (quality of life, ability to work, social function, disability)
v.
Causes and differentiation of back pain and somatic referred pain: evaluation and treatment including thoracic and lumbar pain
1.
Rational and use of assessment tools for back pain: assessment of mood, function, anxiety, catastrophizing, overall quality of life
2.
Differential diagnosis for back pain: infection, trauma, neoplasm, metabolic disease, inflammatory disease
vi.
History and physical examination: reliability, validity, limitations, and “red flag” pathologies
xiv.
Nonsurgical intervention: evidence for efficacy of reassurance, maintaining activity, and exercises
2.
Psychological therapy: cognitive-behavioral, biofeedback, mindfulness, relaxation, hypnosis
3.
Physical therapy: exercises, hydrotherapy, manual therapy, massage, acupuncture, electrical stimulation (TENS), traction
4.
Multidisciplinary therapy: use and limitations, combined physical and psychological approaches
c. Musculoskeletal Pain
i.
Public health dimensions: prevalence, demography, personal and societal costs (quality of life, ability to work, social function, disability)
ii.
Anatomy and physiology: biomechanics of joints and muscles, muscle nociceptors, ergoreceptors: mediators of inflammation, tissue destruction, and repair
vii.
Diagnosis: based on classification of musculoskeletal pain disorders
c.
Due to autoimmune disorders (rheumatic disease): rheumatoid arthritis, systemic lupus erythematosus, Sjöogren syndrome
e.
Due to endocrine and metabolic abnormalities: hypothyroid, vitamin D, menopause, role of estrogen and testosterone
f.
Due to adverse drug reactions: antibiotics, statins, steroids, bisphosphonates, oncologic drugs, NGF-inhibitors, and others
2.
Chronic musculoskeletal pain associate with structural changes including myofascial pain
b.
Associated with spondylosis: vertebral end plates, intervertebral discs, zygapophyseal joints
d. Hereditary Connective Tissue Disorders
i.
Prevalence, epidemiology of conditions: Ehlers-Danlos syndrome, joint hypermobility syndrome, Marfan syndrome, osteogenesis imperfecta
v.
Clinical characteristics and assessment: dislocation, trauma, skin and tissue fragility
5. Cancer Pain and Cancer-related Pain
a. Chronic Cancer Pain: Continuous (Background) or Intermittent (Episodic)
b. Chronic Post-Cancer Treatment Pain
c. Palliative Care: Definition and Scope
d. Comprehensive Evaluation of Patients with Cancer Pain: Needs and Approach
e. Principles of Treatment
f. Analgesic Approach: Indications, Pharmacologic Properties, Therapeutic Guidelines
iv.
Adjuvant analgesics: bisphosphonates, steroids, ketamine, anticonvulsants, antidepressants, barbiturates, cannabinoids
g. Interventional Approaches
iv.
Role of primary cancer therapy: chemotherapy, radiotherapy, hormone therapy, immunotherapy, surgery
j.
Needs of Special Populations: Children, Patients with Learning Disabilities, Elderly, Those with Substance Use Disorders
k.
Cancer Pain Emergencies: Acute Spinal Cord Compression, GI Obstruction and Perforation, Hypercalcemia, Bone Fractures, Increased Intracranial Pressure
l. Ethical Issues
6. Visceral Pain
a. Distinct Clinical Features, Taxonomy, Epidemiology, Impact
i.
Evaluating a clinical and psychosocial history: interpreting tests, imaging, and assessing for critical features to suggest active disease
ii.
Physical examination: identifying visceral from non-visceral causes of pain, abdominal wall pain
b. Anatomy: Neuroanatomy and Neurophysiology
i.
Central and peripheral pathways: stellate, splanchnic, celiac, hypogastric, ganglion impar
c.
Peripheral and Central Mechanisms of Visceral Pain Modulation: Inflammation, Vascular Mechanisms, and Mechanical Factors
d. Classification of Chronic Visceral Pain Disorders
i.
Visceral pain from persistent inflammation: infectious, noninfectious, autoimmune, and trauma
1.
Head and neck region: Behcet disease, Granulomatosis with polyangiitis (PGA), Crohn disease, chronic pharyngitis, chronic tonsillitis
3.
Abdominal region: gastritis, ulcerative colitis, Crohn disease, pancreatitis, diverticulitis, enteropathies (SLE), irritable bowel syndrome
4.
Pelvic region: Crohn disease; ulcerative colitis; painful bladder syndrome; female urogenital pain including endometriosis, cystitis, pelvic inflammatory disease, vaginitis; male urogenital pain including prostatitis
ii.
Visceral pain from vascular mechanisms: ischemia, hypercoagulability, vasospasm, thrombosis
3.
Abdominal region: mesenteric ischemia, superior mesenteric artery entrapment, median arcuate ligament syndrome
e. Management of Visceral Pain: Assess Clinical Outcomes
7. Headache and Orofacial Pain
a. Headache
iii.
Evaluation: systematic case history, use of headache diary, selection of appropriate examination based on history
iv.
Classification of headache disorders
c.
Autonomic cephalalgias: cluster headache, paroxysmal hemicrania, SUNCT, hemicrania continua
a.
Trauma or injury to the head or neck: post-craniotomy, pathology in eyes or ears, head injury, neck injury (whiplash)
b.
Cranial or cervical vascular disorder: stroke, hemorrhage, temporal arteritis, carotid/vertebral artery dissection, venous thrombosis, genetic vasculopathy
c.
Non-vascular intracranial disorder: high or low CSF pressure, neoplasm, intrathecal injection, seizure
d.
Due to a substance or its withdrawal: medication overuse headache, medication-induced, withdrawal headache
g.
Disorders of cranium: ears, eyes, sinuses, oral mucosa, salivary glands; or cervical spine: cervicogenic headache
v.
Critical factors for life-threatening headache: indications for further investigation of headache
1.
Nonpharmacologic treatment: education, cognitive-behavioral therapy, biofeedback, physical therapy, acupuncture, manual therapy, support groups
2.
Pharmacologic treatment of acute migraine: acetaminophen, NSAIDs, antiemetics, triptans, opioids
3.
Pharmacologic prophylaxis of migraine: beta-blockers, calcium channel blockers, sodium valproate, tricyclic agents, topiramate, others (SNRIs and gabapentin)
b. Orofacial Pain
iii.
Classification of orofacial pain
b.
Surgical options for trigeminal neuralgia: decompression, ablation, irradiation, rhizotomy, radiosurgery
d.
Treatment of temporomandibular disorders: education, cognitive behavioral therapy, exercises, occlusive devices, physiotherapy, acupuncture, surgery
e.
Brain stimulation techniques for facial pain: transcranial magnetic stimulation, cortical electrostimulation, motor cortex stimulation
8. Neuropathic Pain
a. Peripheral Neuropathic Pain
ii.
Mechanisms and pathophysiology: pathologic mechanisms in the peripheral nerve fibers, peripheral nerve injury, compression neuropathy, amputation
3.
Painful polyneuropathy: metabolic, autoimmune, familial, infectious, toxic, HIV, chemotherapy-induced
6.
Other specified and unspecified chronic peripheral neuropathic pain including thoracic outlet syndrome
b. Complex Regional Pain Syndrome
2.
Physical: graded motor imagery, mirror therapy, occupational therapy, paced exercise, desensitization techniques
c. Central Neuropathic Pain
d. Common Central Pain Syndromes
e. Central Pain Syndromes Treatment and Management: Evidence Base
9. Special Cases
a. Pain in Infants, Children, and Adolescents
ii.
Factors affecting pain perception in children (e.g., developmental level, family beliefs, past pain experiences)
2.
Complex pain conditions: headache, abdominal pain, CRPS, widespread pain, neuropathic pain, visceral pain, musculoskeletal pain
b. Chronic and Acute Pain During Pregnancy and Peripartum
i.
Factors influencing the perception of pain in pregnancy compared with the non-pregnant state
c. Pain in Older Adults
1.
Understand tools to assess pain in older adults: Brief Pain Inventory, numeric or verbal pain scales, geriatric pain scales
vi.
Heterogeneity in physiologic, psychological, and functional capacity of persons of the same chronologic age: emotional components, functional ability, attitudes and beliefs
vii.
Common conditions: bone pain (osteoporotic fractures), neuralgic pain (nerve compression), visceral pain (bladder or GI pain)
viii.
Pharmacotherapy: alterations in metabolic response, changes in gastrointestinal, hepatic, and renal system
ix.
Psychosocial interventions: evidence base (cognitive-behavioral therapy in older adults)
d. Pain in Individuals with Limited Ability to Communicate
i.
Conditions leading to limitations in ability to communicate: patient with mental health disorders, cognitive, neurodevelopmental impairment
e. Pain Relief in Persons with Opioid Tolerance, Substance Use, and/or Addictive Disorders
iii.
Interactions between addiction and pain: use of analgesics in persons with substance use disorder and misuse
2.
Describe intoxication/withdrawal from: opioids, alcohol, benzodiazepines, amphetamines, cannabis
vi.
Principles of comprehensive approach to pain management in patients with addiction, either active or in recovery
6.
Medication-assisted treatment: methadone, buprenorphine (pharmacology, dosing, and appropriate use)
x.
Legal, regulatory, reimbursement issues affecting access to care for patients with pain and addiction
f. Pain Relief in Areas of Deprivation and Conflict
ii.
Causes of pain worldwide (e.g., infectious diseases, torture-related pain and suffering, war- related injuries)
iv.
Education, training, and knowledge of pain and its treatment; variability of beliefs and communication about pain
g. Pain Assessment and Management in Special Populations
h. Diversity, Equity, and Inclusion (DEI) in health care
1.
Systematic racism, colorism/shadeism, sexism, discrimination against sexual orientation, gender identity, language, national origin, ethnicity, religion, immigration/citizenship status, age, familial status, and disability
ii.
Approaches to improvement; interventions at individual, inter-personal, community, organizational and policy levels; cultural and gender competency, upstander vs. bystander, allyship vs. performative action, tokenism vs representation, assortativity vs homophily
2.
Scholarship; Representation of diversity and race related topics in research, Importance of language in reports discussing racial inequities
i. Healthcare Disparities
i.
Social determinants of health considerations in assessment and management of patients – race, language, education status, religion, housing, nutrition, geographic location, rural vs. urban, access to and quality of care, health coverage
j. Ethics and Medico-Legal Issues
2.
Professional behavior: honesty, integrity, compassion, respect, altruism, conflicts of interest, response to marketing
2.
Advance Directives, Do Not Resuscitate (DNR) Orders, medical orders for life- sustaining treatment
iii.
Primary Certification, Recertification, Maintenance of Certification and Related Issues (Professional Standing, Lifelong Learning, Cognitive Knowledge, Clinical Practice Assessment, Systems-Based Practice)
2.
Ethical standards in research design: scientific validity, fair subject selection, favorable risk-benefit profile
k. Practice Management
l. Quality Improvement and Patient Safety
v.
Performance Assessment
Study Resources
Boards-themed Episodes from Dr. David Rosenblum's Anesthesia Exam Podcast