Cancer Pain And Palliative Care
Expert-defined terms from the Certificate in Psycho-Oncology (United Kingdom) course at London School of Planning and Management. Free to read, free to share, paired with a professional course.
Abdominal Pain – a common somatic symptom in advanced cancer, often refle… #
Related terms: visceral pain, referred pain, analgesic ladder. Explanation: The pain is typically diffuse, poorly localized, and may be aggravated by movement or organ distension. Management includes assessment of pain quality, use of opioids, and adjuvant therapies such as antispasmodics. Example: A patient with ovarian carcinoma reports deep, cramping abdominal pain that worsens after meals. Practical application: Use a pain diary to track triggers and response to medication, adjusting doses accordingly. Challenges: Differentiating cancer‑related pain from opioid‑induced constipation or bowel obstruction can be difficult.
Adjuvant Analgesics – medications that are not primarily analgesics but e… #
Related terms: co‑analgesics, neuropathic pain agents, opioid-sparing. Explanation: Include antidepressants, anticonvulsants, corticosteroids, and muscle relaxants. They target specific pain mechanisms, reducing required opioid doses. Example: Duloxetine is added for chemotherapy‑induced peripheral neuropathy. Practical application: Start low, titrate slowly, and monitor for side effects such as sedation or dizziness. Challenges: Identifying the correct agent for mixed pain types and managing drug interactions.
Advanced Care Planning (ACP) – a process of discussing and documenting pa… #
Related terms: living will, Do Not Resuscitate (DNR), proxy decision‑maker. Explanation: Involves multidisciplinary collaboration, ensuring that goals of care align with the patient’s values, especially when pain becomes refractory. Example: A patient with metastatic lung cancer expresses a wish to remain at home and avoid aggressive interventions. Practical application: Use structured ACP tools, review regularly, and integrate into electronic health records. Challenges: Cultural barriers, prognostic uncertainty, and family dynamics may impede open discussion.
Analgesic Ladder – a stepwise approach to pain management originally prop… #
Related terms: step 1, step 2, step 3, breakthrough pain. Explanation: Begins with non‑opioids for mild pain, progresses to weak opioids for moderate pain, and strong opioids for severe pain, with adjuvants added as needed. Example: A patient with breast cancer starts with paracetamol, escalates to codeine, then to morphine as pain intensifies. Practical application: Regular pain assessment guides ladder progression; rescue doses address breakthrough episodes. Challenges: Under‑treatment due to “opioid fear” and over‑reliance on step 1 agents in severe pain.
Breakthrough Pain – a transient exacerbation of pain that occurs despite… #
Related terms: episodic pain, rescue medication, rapid‑onset opioid. Explanation: Usually intense, lasts minutes to hours, and requires immediate relief. Management includes short‑acting opioids, transmucosal formulations, or non‑pharmacological techniques. Example: A patient on sustained‑release morphine experiences sudden jaw pain during chewing. Practical application: Prescribe a rescue dose (usually 10‑20% of the total 24‑hour opioid dose) for use as needed. Challenges: Predicting frequency, avoiding cumulative overdose, and distinguishing from disease progression.
Cachexia – a multifactorial syndrome of weight loss, muscle wasting, and… #
Related terms: malnutrition, inflammation, nutritional support. Explanation: Driven by cytokine‑mediated metabolic changes and reduced intake, it worsens pain perception and reduces treatment tolerance. Example: A patient with pancreatic cancer loses 15% body weight despite adequate caloric intake. Practical application: Early nutritional counseling, use of appetite stimulants, and anti‑inflammatory agents. Challenges: Limited efficacy of interventions, patient reluctance, and overlap with depression.
Catastrophizing – a maladaptive cognitive style where patients anticipate… #
Related terms: pain anxiety, negative beliefs, cognitive‑behavioral therapy (CBT). Explanation: Increases pain intensity, emotional distress, and opioid requirements. Assessment uses tools such as the Pain Catastrophizing Scale. Example: A patient repeatedly expresses fear that pain will lead to loss of autonomy. Practical application: CBT techniques help reframe thoughts, reduce catastrophizing, and improve coping. Challenges: Time constraints in busy clinics and patient resistance to psychological interventions.
Communication Skills Training (CST) – educational programs that enhance c… #
Related terms: SPIKES protocol, breaking bad news, shared decision‑making. Explanation: Focuses on empathy, active listening, and clear information delivery, essential for managing expectations and adherence. Example: A doctor uses CST techniques to explain opioid rotation to a patient worried about side effects. Practical application: Role‑play, video feedback, and reflective practice improve confidence. Challenges: Institutional support, variability in learner engagement, and integration into routine practice.
Complex Regional Pain Syndrome (CRPS) – a chronic neuropathic pain condit… #
Related terms: autonomic dysregulation, mirror therapy, graded motor imagery. Explanation: Characterized by burning, hyperalgesia, edema, and motor dysfunction. Multimodal treatment includes physiotherapy, neuropathic agents, and psychosocial support. Example: A patient develops CRPS in the hand after axillary lymph node dissection. Practical application: Early physiotherapy and gabapentin reduce chronicity. Challenges: Misdiagnosis, limited response to opioids, and high emotional burden.
Conscious Sedation – the intentional reduction of consciousness to reliev… #
Related terms: palliative sedation, midazolam, monitoring protocols. Explanation: Utilized when pain and other symptoms cannot be controlled despite maximal therapy. Requires informed consent and clear documentation. Example: A patient with intractable abdominal pain receives low‑dose midazolam to achieve comfort. Practical application: Start with a low infusion rate, titrate to effect, and monitor respiratory status. Challenges: Ethical concerns, family expectations, and differentiating from loss of consciousness due to disease progression.
Co‑morbid Depression – depressive disorders that commonly accompany cance… #
Related terms: screening tools, selective serotonin reuptake inhibitors (SSRIs), psychosocial support. Explanation: Depression amplifies pain intensity, reduces treatment adherence, and may lead to suicidal ideation. Early identification is essential. Example: A patient scores high on the PHQ‑9 and reports hopelessness alongside severe bone pain. Practical application: Combine antidepressants with psychotherapy and monitor for interactions with analgesics. Challenges: Stigma, overlapping somatic symptoms, and limited mental health resources.
Dyspnea – the subjective sensation of breathlessness, often co‑existing w… #
Related terms: opioid analgesia for breathlessness, airway clearance techniques, oxygen therapy. Explanation: Opioids can relieve dyspnea by reducing ventilatory drive and anxiety. Non‑pharmacological measures include positioning and fan therapy. Example: A patient with pleural effusion experiences both pleuritic pain and breathlessness. Practical application: Low‑dose morphine (e.G., 5 Mg oral) is titrated to alleviate dyspnea while monitoring sedation. Challenges: Patient fear of opioids, distinguishing cardiac from cancer‑related causes, and managing hypoxia.
End‑of‑Life (EOL) Care – comprehensive care focusing on comfort, dignity,… #
Related terms: hospice, palliative care team, symptom burden. Explanation: Integrates pain control, psychosocial support, spiritual care, and family assistance. Early referral improves outcomes. Example: A patient with terminal colorectal cancer receives home‑based hospice services for pain and nutrition. Practical application: Conduct regular multidisciplinary meetings to align goals and adjust analgesic regimens. Challenges: Prognostic uncertainty, resource allocation, and ensuring continuity across settings.
Escalation of Care – the process of increasing intensity of treatment whe… #
Related terms: opioid rotation, intrathecal therapy, interventional pain management. Explanation: Involves reassessment, dose escalation, and possibly adding invasive options such as nerve blocks. Example: A patient on high‑dose oral morphine continues to have breakthrough pain; a decision is made to start a subcutaneous infusion. Practical application: Use a systematic protocol to evaluate analgesic effectiveness before advancing to more complex interventions. Challenges: Balancing efficacy with side‑effects, patient tolerance, and access to specialized services.
Fear of Addiction – a common concern that deters patients from accepting… #
Related terms: opioid stigma, patient education, risk assessment. Explanation: Misconceptions may lead to under‑dosing, resulting in uncontrolled pain and decreased quality of life. Education emphasizes that addiction risk is low in cancer patients when used appropriately. Example: A patient refuses morphine fearing dependence despite severe bone metastasis pain. Practical application: Provide clear information, use validated tools (e.G., CAGE‑AID) to assess risk, and document discussions. Challenges: Media influence, cultural beliefs, and limited time for counseling.
Functional Assessment – evaluation of a patient’s ability to perform dail… #
Related terms: Activities of Daily Living (ADL), Karnofsky Performance Status, instrumental ADL. Explanation: Helps tailor analgesic plans, set realistic goals, and monitor impact of interventions. Example: A patient reports difficulty dressing due to shoulder pain from tumor invasion. Practical application: Use standardized scales to track changes over time and adjust therapy accordingly. Challenges: Subjectivity, fluctuating performance status, and distinguishing pain from fatigue.
Gate Control Theory – a neurophysiological model explaining how non‑painf… #
Related terms: transcutaneous electrical nerve stimulation (TENS), neuromodulation, descending inhibition. Explanation: Suggests that “gates” in the spinal cord can be closed by activating large‑diameter afferents, reducing perceived pain. Example: A patient uses TENS for localized chest wall pain after radiotherapy, reporting decreased intensity. Practical application: Apply TENS for 20‑30 minutes, adjust frequency and intensity according to comfort. Challenges: Variable efficacy, patient adherence, and contraindications (e.G., Pacemakers).
Guidelines for Cancer Pain – evidence‑based recommendations that standard… #
Related terms: National Institute for Health and Care Excellence (NICE), European Society for Medical Oncology (ESMO), WHO pain ladder. Explanation: Provide algorithms for opioid selection, dose titration, and adjuvant use, incorporating safety monitoring. Example: NICE guideline NG31 advises regular review of opioid doses every 24‑48 hours in uncontrolled pain. Practical application: Embed guideline checklists into electronic records to prompt timely reassessment. Challenges: Keeping up‑to‑date with revisions, adapting recommendations to individual patient contexts.
Holistic Assessment – a comprehensive evaluation encompassing physical, p… #
Related terms: bio‑psycho‑social model, spiritual care, multidisciplinary team. Explanation: Recognizes that pain experience is influenced by multiple factors; addressing each improves overall wellbeing. Example: In a hospice intake, the team explores the patient’s fear of being a burden, cultural beliefs about suffering, and family support. Practical application: Use structured tools (e.G., Edmonton Symptom Assessment System) to capture multidimensional data. Challenges: Time constraints, interdisciplinary communication, and varying expertise among staff.
Intrathecal Drug Delivery – administration of analgesics directly into th… #
Related terms: intrathecal morphine, pump reservoir, refractory pain. Explanation: Allows lower systemic doses, reducing side‑effects while providing potent pain relief for patients unresponsive to oral or systemic routes. Example: A patient with spinal metastases receives intrathecal hydromorphone, achieving better control with fewer cognitive effects. Practical application: Conduct thorough pre‑implant assessment, ensure pump maintenance, and monitor for infection. Challenges: Surgical risks, cost, limited availability, and need for specialist expertise.
Ketamine – an NMDA receptor antagonist used as an adjuvant for opioid‑ref… #
Related terms: NMDA antagonism, low‑dose infusion, psychotomimetic side‑effects. Explanation: Low‑dose (e.G., 0.1‑0.5 Mg/kg/h) infusion can reduce hyperalgesia and opioid tolerance. Requires careful monitoring for dissociation or hallucinations. Example: A patient with malignant bone pain unresponsive to high‑dose morphine experiences relief after adding ketamine infusion. Practical application: Initiate in a controlled setting, titrate slowly, and provide a benzodiazepine rescue if psychotic symptoms emerge. Challenges: Limited evidence base, regulatory restrictions, and patient acceptance.
Light‑Touch Modality – non‑pharmacological techniques such as massage, ge… #
Related terms: complementary therapy, relaxation response, patient comfort. Explanation: May reduce anxiety, enhance analgesic effectiveness, and improve patient‑provider rapport. Example: A volunteer provides a brief hand massage before a painful dressing change, resulting in lower reported pain scores. Practical application: Train staff in safe, respectful touch practices and integrate into routine care. Challenges: Cultural sensitivities, infection control, and inconsistent evidence of efficacy.
Low‑Back Pain – often due to spinal metastases, pathological fractures, o… #
Related terms: spinal cord compression, radiation‑induced pain, steroid therapy. Explanation: Requires urgent assessment for neurological compromise; imaging (MRI) guides treatment decisions. Example: A patient with prostate cancer presents with severe lumbar pain and leg weakness; MRI confirms epidural compression. Practical application: Administer high‑dose dexamethasone promptly, arrange for radiotherapy or surgical decompression, and start analgesics. Challenges: Rapid deterioration, balancing pain control with preservation of neurological function.
Multimodal Analgesia – the simultaneous use of drugs with different mecha… #
Related terms: opioid‑sparing, NSAIDs, regional anesthesia. Explanation: Combines opioids, non‑opioids, adjuvants, and non‑pharmacologic strategies to maximize efficacy while minimizing side‑effects. Example: A patient receives morphine, ibuprofen, and gabapentin for mixed nociceptive and neuropathic pain. Practical application: Create individualized regimens, schedule medications to maintain steady plasma levels, and reassess regularly. Challenges: Polypharmacy risk, drug‑drug interactions, and patient adherence.
Neuropathic Pain – pain arising from direct injury or disease of the soma… #
Related terms: allodynia, hyperalgesia, gabapentinoids. Explanation: Characterized by burning, shooting, or electric‑like sensations; often less responsive to opioids alone. Example: A patient develops peripheral neuropathy after taxane chemotherapy, describing tingling and burning in the feet. Practical application: Initiate gabapentin or duloxetine, titrating to effect while monitoring for sedation. Challenges: Dose titration complexity, side‑effects like dizziness, and overlapping somatic pain.
Non‑Pharmacological Interventions – therapies that complement medication,… #
Related terms: relaxation training, heat/cold therapy, biofeedback. Explanation: Address psychosocial and physical contributors to pain, often enhancing overall comfort. Example: Guided imagery is used before a painful wound dressing change, resulting in lower reported pain intensity. Practical application: Incorporate brief sessions into routine visits, provide patient handouts, and involve family caregivers. Challenges: Limited staffing, variable patient receptivity, and need for individualized plans.
Opioid Rotation – switching from one opioid to another to improve analges… #
Related terms: equianalgesic conversion, cross‑tolerance, opioid switching protocol. Explanation: Calculated using conversion tables, accounting for incomplete cross‑tolerance (usually reducing the calculated dose by 25‑30%). Example: A patient experiencing nausea on morphine is switched to oxycodone with a 30% dose reduction. Practical application: Reassess pain 24‑48 hours after rotation, adjust as needed, and monitor for withdrawal. Challenges: Inaccurate conversion, patient anxiety about change, and differing side‑effect profiles.
Opioid #
Induced Hyperalgesia (OIH) – a paradoxical increase in pain sensitivity resulting from high opioid doses. Related terms: central sensitization, dose tapering, NMDA antagonists. Explanation: May manifest as diffuse, non‑localized pain that worsens with opioid escalation. Management includes dose reduction, opioid rotation, or addition of NMDA antagonists. Example: A patient on high‑dose fentanyl reports new burning sensations despite stable disease. Practical application: Gradually taper the opioid while introducing adjuvant analgesics, reassessing pain patterns. Challenges: Differentiating OIH from disease progression, patient fear of reduced analgesia, and limited awareness among clinicians.
Palliative Sedation – the intentional lowering of consciousness to reliev… #
Related terms: proportional sedation, ethical framework, continuous infusion. Explanation: Administered with drugs such as midazolam or phenobarbital, guided by patient wishes and specialist input. Requires documentation of refractory symptoms and consent. Example: A patient with uncontrolled visceral pain and dyspnea receives a low‑dose midazolam infusion, achieving comfort. Practical application: Use a standardized sedation protocol, monitor vitals, and involve the multidisciplinary team. Challenges: Ethical debates, family distress, and ensuring that sedation is truly a last‑line measure.
Patient‑Controlled Analgesia (PCA) – a delivery system allowing patients… #
Related terms: bolus dose, lockout interval, continuous background infusion. Explanation: Empowers patients, improves pain control, and reduces nursing workload. Typically used in inpatient settings for acute or breakthrough cancer pain. Example: A patient with pancreatic cancer uses a PCA pump to deliver morphine boluses for sudden flank pain. Practical application: Set appropriate lockout times (e.G., 10 Minutes) and educate the patient on safe use. Challenges: Risk of over‑sedation, equipment malfunction, and ensuring cognitive ability to operate the device.
Phantom Pain – pain perceived in an amputated or surgically removed body… #
Related terms: central sensitization, mirror therapy, neuropathic agents. Explanation: May be burning, tingling, or aching; managed with medications (e.G., Gabapentin), visual feedback techniques, and psychological support. Example: A patient who underwent a femur amputation reports burning sensations in the missing limb. Practical application: Introduce mirror therapy sessions to re‑train cortical representation, combined with neuropathic analgesics. Challenges: Limited evidence base, patient frustration, and distinguishing from residual limb pain.
Psychological Distress – emotional suffering that can amplify pain percep… #
Related terms: anxiety, stress, coping strategies. Explanation: High levels of distress correlate with increased analgesic requirements and poorer quality of life. Screening tools (e.G., Distress Thermometer) facilitate early identification. Example: A patient rates distress at 8/10 and reports heightened pain during radiotherapy sessions. Practical application: Offer brief counseling, relaxation training, and referral to psycho‑oncology services. Challenges: Limited mental health resources, patient stigma, and time constraints in busy oncology clinics.
Radiation‑Induced Pain – acute or chronic pain resulting from tissue inju… #
Related terms: skin toxicity, fibrosis, steroid prophylaxis. Explanation: Acute pain is often inflammatory and responds to NSAIDs; chronic pain may involve neuropathic mechanisms requiring adjuvants. Example: A patient develops sore throat after head‑and‑neck radiotherapy, alleviated by topical anesthetic and ibuprofen. Practical application: Provide prophylactic mouth care, schedule analgesics before each session, and monitor for late effects. Challenges: Cumulative toxicity, patient fatigue, and differentiating from tumor progression.
Refractory Pain – pain that persists despite optimal pharmacologic and no… #
Related terms: palliative sedation, intrathecal therapy, multidisciplinary review. Explanation: Requires escalation to advanced modalities, thorough reassessment of diagnosis, and often a shift toward comfort‑focused goals. Example: A patient on high‑dose opioids continues to report severe chest wall pain from rib metastases. Practical application: Conduct a pain team meeting, consider nerve blocks, and discuss goals with the patient and family. Challenges: Determining when pain is truly refractory, managing side‑effects of high‑dose opioids, and resource limitations.
Remote Monitoring – use of telehealth platforms to track pain scores, med… #
Related terms: e‑health, mobile apps, patient‑reported outcomes. Explanation: Enables timely adjustments, reduces hospital visits, and supports self‑management. Example: A patient logs daily pain intensity on a smartphone app, triggering an alert when scores exceed 7. Practical application: Integrate alerts into the electronic record, schedule virtual follow‑ups, and provide education on data entry. Challenges: Digital literacy, data security, and ensuring equitable access.
Rescue Medication – a short‑acting analgesic prescribed for breakthrough… #
Related terms: as‑needed dose, short‑acting opioid, patient‑controlled dosing. Explanation: Typically 10‑20% of the total 24‑hour opioid dose, administered orally, sublingually, or via rapid‑release formulations. Example: A patient on sustained‑release morphine carries a tablet of immediate‑release morphine for sudden pain spikes. Practical application: Educate patients on timing (use at pain onset, not after 30 minutes), and monitor total daily dose. Challenges: Over‑use leading to overdose, inadequate rescue dosing causing uncontrolled breakthrough pain.
Spiritual Care – support addressing existential concerns, meaning, and re… #
Related terms: chaplaincy, meaning‑centered therapy, rituals. Explanation: Recognizes that spiritual distress can intensify pain perception; interdisciplinary collaboration ensures holistic management. Example: A patient expresses fear of abandonment; a chaplain provides counseling, reducing anxiety and reported pain. Practical application: Include spiritual screening in initial assessment, refer to appropriate services, and document interventions. Challenges: Varied belief systems, limited chaplain availability, and potential discomfort discussing spirituality.
Spinal Metastasis – cancer spread to vertebral bodies, often causing loca… #
Related terms: vertebral fracture, radiation therapy, steroid therapy. Explanation: Pain is typically constant, worsened by movement, and may be accompanied by neurologic deficits. Prompt imaging and multidisciplinary treatment are essential. Example: A patient with breast cancer develops severe back pain; MRI reveals L2 metastasis with impending compression. Practical application: Initiate high‑dose dexamethasone, arrange stereotactic radiotherapy, and start analgesics. Challenges: Balancing pain control with preservation of neurological function, risk of fractures, and coordinating care across specialties.
Standardized Pain Assessment Tools – validated instruments for quantifyin… #
Related terms: Numeric Rating Scale (NRS), Visual Analogue Scale (VAS), Brief Pain Inventory (BPI). Explanation: Provide consistent language for clinicians, guide treatment decisions, and facilitate research. Example: A nurse asks the patient to rate pain on a 0‑10 scale; the patient reports 8, indicating severe pain. Practical application: Record scores at each visit, compare trends, and adjust therapy accordingly. Challenges: Patient cognitive impairment, cultural differences in pain expression, and occasional ceiling effects.
Stigma – negative attitudes and beliefs about pain, opioid use, or pallia… #
Related terms: public perception, healthcare bias, education campaigns. Explanation: Stigma may lead to delayed reporting, under‑treatment, and reduced quality of life. Addressing stigma involves education, transparent communication, and policy advocacy. Example: A patient declines morphine fearing community judgment, resulting in uncontrolled pain. Practical application: Provide factual information, share success stories, and involve patient advocates. Challenges: Deep‑rooted cultural myths, media influence, and limited resources for widespread outreach.
Symptom Burden – the total impact of multiple concurrent symptoms (pain,… #
) On a patient’s wellbeing. Related terms: multisymptom assessment, quality of life, palliative outcome scale. Explanation: High symptom burden often correlates with increased pain intensity and poorer functional status; comprehensive management improves overall outcomes. Example: A patient reports pain, dyspnea, and insomnia, each rated as moderate; the combined burden limits daily activities. Practical application: Use tools like the ESAS to capture all symptoms, prioritize interventions, and reassess regularly. Challenges: Time constraints, overlapping pharmacologic needs, and patient fatigue with lengthy questionnaires.
Transdermal Opioids – skin‑applied patches delivering continuous opioid d… #
Related terms: fentanyl patch, dose titration, skin irritation. Explanation: Useful for patients with stable pain needing round‑the‑clock control; requires careful conversion from oral doses and monitoring for respiratory depression. Example: A patient switched from oral morphine to a 25 µg/h fentanyl patch, achieving smoother pain control. Practical application: Apply to a clean, dry area, rotate sites, and educate on patch disposal. Challenges: Inconsistent absorption in febrile or cachectic patients, high cost, and risk of accidental exposure.
Virtual Reality (VR) Therapy – immersive technology used as a distraction… #
Related terms: digital analgesia, immersive distraction, patient engagement. Explanation: By diverting attention, VR can reduce perceived pain intensity and anxiety during dressing changes or minor procedures. Example: A patient uses a VR headset during a painful wound debridement, reporting a pain score reduction from 7 to 4. Practical application: Incorporate brief VR sessions before procedures, ensure hygiene protocols, and assess for motion sickness. Challenges: Equipment cost, training requirements, and limited evidence for long‑term benefit.
Yielding to Patient Preference – respecting individual choices regarding… #
Related terms: shared decision‑making, patient autonomy, informed consent. Explanation: Incorporates patient values, cultural beliefs, and personal goals into the analgesic strategy, fostering trust and adherence. Example: A patient declines high‑dose opioids due to past substance‑use concerns, opting for lower doses combined with non‑pharmacologic methods. Practical application: Document the discussion, provide clear rationale for each option, and establish a monitoring plan. Challenges: Balancing safety with patient wishes, potential for sub‑optimal pain control, and navigating ethical dilemmas.