Care of the elderly/palliative Flashcards
COTE ASSESSMENT
What is frailty?
Is it inevitable?
- State of increased vulnerability resulting from ageing-associated decline in reserve + function across multiple physiological systems resulting in compromised ability to cope with everyday or acute stressors
COTE ASSESSMENT
What are the geriatric giants?
4 I’s –
- Instability (falls)
- Immobility
- Intellectual impairment (confusion)
- Incontinence
COTE ASSESSMENT
What are the geriatric 5Ms?
- Mind = dementia, delirium, depression
- Mobility = impaired gait + balance, falls
- Medications = polypharmacy, medication burden, adverse effects
- Multi-complexity = multi-morbidity, biopsychosocial
- Matters most = individual health outcomes + preferences
COTE ASSESSMENT
What is acopia?
- Social admission = unable to cope with ADLs
COTE ASSESSMENT
What is a comprehensive geriatric assessment?
What is the process?
- Development of a coordinated, integrated plan for treatment + long-term support
- Assessment > problem list > personalised care plan > intervention > regular planned review > assessment etc.
COTE ASSESSMENT
What is rehabilitation?
- Process of restoring a patient to maximum function
COTE ASSESSMENT
What is pharmacodynamics?
How does this change for the elderly?
- What the DRUG does to the BODY
- Elderly prone to ADRs such as postural hypotension, confusion, bowel issues
COTE ASSESSMENT
What is pharmacokinetics?
How does this change for the elderly?
Example?
- What the BODY does to the DRUG
- Changes in absorption, distribution, metabolism + excretion of drugs
- Decreased excretion = prone to toxicity from lower doses
COTE ASSESSMENT
What are some potential problems with polypharmacy?
- Drug interactions, increased SEs + pill burden
- Can affect compliance + lead to decreased pt satisfaction
MEDICO-LEGAL ASPECTS
What is the purpose of the Mental Capacity Act, 2005?
- Empower + protect people >16y who lack capacity to make their own decisions about their care + treatment since 1/10/07
MEDICO-LEGAL ASPECTS
What is the two-step test in MCA?
- Does the person have an impairment of their mind or brain? E.g. dementia, severe LD, brain injury, coma
- Is this impairment significant enough to deem them unable of making a particular decision?
MEDICO-LEGAL ASPECTS
What are the 4 aspects of assessing capacity?
- Does the pt UNDERSTAND the information?
- Can the pt RETAIN that information?
- Can the pt use the information to WEIGH UP the pros + cons?
- Can the pt COMMUNICATE their decision back (ensure different methods explored)
MEDICO-LEGAL ASPECTS
What are the 5 principles underpinning the MCA?
- Assume capacity until proven otherwise
- Maximise decision-making capacity (all practical support to help them make decision given)
- Apparent unwise decision ≠ incapacity
- All decisions on behalf of patient in best interests
- Least restrictive option should be chosen
MEDICO-LEGAL ASPECTS
What are some important considerations about a person’s capacity status?
- Can fluctuate with time (temporary cognitive impairment like delirium)
- Decision specific so may have capacity for some decisions, do not just completely write off
MEDICO-LEGAL ASPECTS
What is the role of an independent mental capacity advocate (IMCA)?
- Support + represent people who lack capacity and do not have anyone else to represent them in a major decision
- Cannot make a decision on pt’s behalf but contributes
MEDICO-LEGAL ASPECTS
What are some important considerations when making best interest decisions?
- Encourage participation
- Find out the person’s views (past + present wishes, beliefs, values)
- Avoid discrimination
- Could they regain capacity? Can it wait?
- Identify all relevant circumstances
MEDICO-LEGAL ASPECTS
Who would you consult when making best interest decisions?
- Carers, relatives, close friends, appointed attorneys
MEDICO-LEGAL ASPECTS
What is a deprivation of liberty safeguard, DoLS (new name Liberty Protection Safeguards)?
- Necessary to deprive a patient or resident of their liberty as they lack capacity to consent to treatment or care to keep them safe from harm
MEDICO-LEGAL ASPECTS
What are some conditions of DOLS?
- Must be in care home or hospital
- Act in best interests
- Suffering from a mental disorder
- Restrictions would deprive their liberty
- Least restrictive
MEDICO-LEGAL ASPECTS
How should a DoLS be attained?
What are the limitations of an urgent DoLS?
- Officially verified by local DoLS team apart from an urgent DoLS which can be executed without prior formal authorisation
- Up to 7d
MEDICO-LEGAL ASPECTS
What is an advanced directive?
- Written statement made by patient WITH capacity regarding their future wishes for treatment which comes into effect when they subsequently lack capacity
MEDICO-LEGAL ASPECTS
What are the 2 aspects of advanced directives?
- Advanced refusal of treatments = legally binding
- Advanced request for treatment = less legal binding as cannot request treatment
MEDICO-LEGAL ASPECTS
What is a Lasting Power of Attorney?
What are the two types?
What makes it valid?
- Legal contract drawn up by a patient WITH capacity who nominates another person to make decision on their behalf when they lose capacity
- Financial and property or health and welfare
- Must be registered with Office of the Public Guardian
MEDICO-LEGAL ASPECTS
What is an alternative to an LPA?
- Court Appointed Deputy by the court of protection appoints once person lacks capacity
DELIRIUM
What is delirium?
- Acute confusional state, fluctuates in severity, usually reversible
DELIRIUM
What is the aetiology of delirium?
PINCH ME –
- Pain
- Infection (UTI, pneumonia)
- Nutrition (thiamine, B12 + folate deficiency)
- Constipation (faecal impaction)
- Hydration (dehydrated)
- Metabolic/medication
- Environment/electrolytes (changes in environment, hyper/hypo Ca2+, Na+, K+)
DELIRIUM
What are some metabolic/medication causes of delirium?
- Hyper/hypo thyroid + glycaemia
- Opioids, anticholinergics, Parkinson’s meds, steroids, BDZs
DELIRIUM
Who are high risk patients that require screening on admission?
- > 65y
- Background of dementia
- Significant injury = hip fracture
- Frailty or multi-morbidity
DELIRIUM
What are the core features of delirium?
- Impaired consciousness
- Cognitive disturbance
- Acute/fluctuating course (worse at night = sundowning)
DELIRIUM
What are the two sub-types of delirium and how do they present?
- Hyperactive = agitation, hallucinations, delusions, restless
- Hypoactive (less recognisable) = withdrawn, lethargic, quiet
DELIRIUM
What is a suitable screening tool for delirium?
- Abbreviated mental test (AMT)
- Montreal Cognitive Assessment (MOCA) <26
- Mini mental state examination
DELIRIUM
What investigations would you do in delirium?
What else would you consider?
- “Confusion/delirium screen”
- FBC, CRP, B12 + folate, U&Es, Ca2+, ?phosphate, TFTs, LFTs, glucose, INR + clotting, blood + urine cultures
- Imaging = CXR + CT head
- Referral to memory clinic or old age psychiatrist if ?dementia syndrome
DELIRIUM
How does delirium differ from dementia for…
i) deterioration?
ii) course?
iii) consciousness?
iv) thought content?
v) hallucinations?
i) Rapid (hours-days) + reversible vs. slow (months-years) + not reversible
ii) Acute + fluctuating vs. insidious + progressive
iii) Clouded vs. alert
iv) Vivid, complex + muddled vs impoverished
v) V common, visual vs. in 1/3rd, auditory/visual
DELIRIUM
What is the conservative management of delirium?
- Logistics = side room, same staff members, talk/listen
- Orientate = big clocks, calendars, family visits + personal belongings
- Treat sensory impairments (glasses, hearing aids)
- Prevent several ward changes
- Sleep hygiene (promote sleeping at night)
DELIRIUM
In hyperactive delirium, how do you manage de-escalation?
- Non-pharmacological de-escalation = talking to de-fuse
- PO 0.5mg haloperidol or lorazepam (LBD/Parkinson’s)
- IM/IV haloperidol or lorazepam
ALZHEIMER’S DISEASE
What is the pathophysiology of Alzheimer’s disease?
- Accumulation of beta-amyloid peptide plaques which result in degeneration of cerebral cortex with cortical atrophy + loss of acetylcholine.
ALZHEIMER’S DISEASE
What are the causes of Alzheimer’s disease?
What are some risk factors?
- Unknown but most common type of dementia
- FHx, increasing age, Down’s syndrome
ALZHEIMER’S DISEASE
What genes have been implicated to…
i) familial early-onset Alzheimer’s?
ii) late onset Alzheimer’s?
i) APP gene, presenilin 1 + 2 (autosomal dominant)
ii) Apolipoprotein E (ApoE)
ALZHEIMER’S DISEASE
What is the clinical presentation of Alzheimer’s
4As of Alzheimer’s –
- Amnesia (recent memories lost first)
- Apraxia (inability to carry out skilled tasks = button clothes, use cutlery)
- Agnosia (recognition problems)
- Aphasia (word finding problems)
ALZHEIMER’S DISEASE
On CT/MRI head in Alzheimer’s disease, what are the…
i) macroscopic pathological changes?
ii) microscopic or histological pathological changes?
i) Diffuse cerebral atrophy (small brain, esp. cortext + hippocampus), increased sulcal widening, enlarged ventricles
ii) Neuronal loss, neurofibrillary tangles (aggregation of tau proteins), beta-amyloid plaques
ALZHEIMER’S DISEASE
What is the management of Alzheimer’s?
- Cognitive stimulation therapy, group reminiscence therapy
- AChEi (donepezil, rivastigmine) for mild–mod
- NMDA antagonist (memantine) for mod–severe
- ?Antipsychotics if risk of harm or significant agitation or delusions
VASCULAR DEMENTIA
What is vascular dementia?
What are the risk factors?
- Dementia 2º to ischaemia to brain 2º to vascular damage, 2nd commonest type
- AF, stroke/TIA, CVD = HTN, DM, hypercholesterolaemia, smoking
VASCULAR DEMENTIA
What is the clinical presentation of vascular dementia?
- Stepwise deterioration with short periods of stability then suddenly decline
- Focal neurology
- Memory/gait/speech/emotional disturbance
VASCULAR DEMENTIA
What investigation would you do in vascular dementia and what would it show?
- CT head = infarcts, significant small vessel disease
VASCULAR DEMENTIA
What is the management of vascular dementia?
- Vascular risk factor Mx = lifestyle, optimise co-morbidities
- ONLY consider AChEi or memantine if suspected co-morbid Alzheimer’s, Parkinson’s dementia or LBD
LEWY-BODY DEMENTIA
What is the pathophysiology of Lewy-Body dementia?
What condition is LBD associated to and how can you differentiate?
- Presence of Lewy bodies (alpha-synuclein inclusions) in the basal ganglia (substantia nigra) + cerebral cortex
- Dementia > movement signs = LBD
- Movement sign > dementia = Parkinson’s dementia
LEWY-BODY DEMENTIA
What is the clinical presentation of Lewy-Body dementia?
- Progressive cognitive impairment with fluctuating cognition
- Vivid visual hallucinations
- Parkinsonism
- REM sleep behaviour disorder
LEWY-BODY DEMENTIA
What is the management of Lewy-Body dementia?
- SPECT/DaTscan being used more
- Both AChEi + memantine being used as in Alzheimer’s
- SENSITIVE to antipsychotics, can lead to irreversible Parkinsonism
FT DEMENTIA
What is frontotemporal lobe dementia?
What is is a specific cause?
- Dementia syndrome 2º to atrophy of frontal + temporal lobes
- Pick’s disease = Pick’s bodies (silver-staining tau protein) found on post-mortem
FT DEMENTIA
What are some associations with frontotemporal lobe dementia?
- Younger age of onset
- Often FHx
- Associated with MND
FT DEMENTIA
What is the clinical presentation of frontotemporal lobe dementia?
- Frontal lobe = personality change + disinhibition
- Temporal lobe = speech disturbances = expressive dysphasia, non-fluent)
CJD
What is Creutzfeldt-Jacob Disease (CJD)?
- Prion infection which infects the brain causing spongiform encephalopathy
CJD
What is the aetiology of CJD?
- Sporadic (may have FHx or idiopathic)
- Variant (vCJD) aka Mad Cow’s disease from eating contaminated beef
CJD
What is the clinical presentation of CJD?
- Rapidly fatal dementia
- Myoclonic jerks
- Mood + personality changes
HYDROCEPHALUS
What is normal pressure hydrocephalus?
What is the clinical presentation
- Accumulation of CSF that causes ventricles in brain to become enlarged
- ‘Wet, wacky, wobbly’ = urinary incontinence, dementia (can be controlled or reversed with treatment), ataxia
HYDROCEPHALUS
What is the investigation and management of normal pressure hydrocephalus?
- CT/MRI head showing enlarged ventricles
- Ventriculoperitoneal shunt to drain excess fluid
PSEUDODEMENTIA
What is pseudodementia?
How does it present?
- Cognitive impairment secondary to mental illness (often depression)
- “Don’t know” answers (no confabulation), short duration, short- and long-term memory loss depression Sx, recent loss of loved one
FALLS
What are some neurological causes of falls?
- Stroke
- PD/HD
- Visual impairment
- Peripheral neuropathy
FALLS
What are some cardiovascular causes of falls?
- Syncope
- Postural hypotension
- MI
- Arrhythmias
FALLS
What are some iatrogenic causes of falls?
- BDZs
- Anti-hypertensives (ACEi, CCB, beta-blockers, diuretics)
FALLS
What are some power causes of falls?
- Muscle weakness
- Loss of balance
- Pain (OA)
FALLS
What are some environmental causes of falls?
Any other causes?
- Loose rugs, pets, unstable footwear, poor lighting
- Delirium, hypoglycaemia, alcohol
FALLS
What clinical scale can be used to assess frailty?
What investigations would you do in a fall?
- Rockwood clinical frailty scale
- FBC, U&E, glucose, LFTs, bone profile (calcium, phosphate, PTH, vitamin D)
- 24h ECG, echo if ?cardiac, XR limbs, CXR, CT head
- Tilt table if unexplained syncope, normal ECG + no structural heart disease
FALLS
What are some complications of a long-lie following a fall?
- Pressure ulcers
- Dehydration
- Rhabdomyolysis
- Hypothermia
FALLS
What is rhabdomyolysis?
- Skeletal muscle breakdown leading to release of intracellular contents
FALLS
What can cause rhabdomyolysis?
- Crush injuries
- Prolonged immobilisation (long lie)
- Prolonged seizures
- Burns
- Compartment syndrome
- Statins
FALLS
What are the features of rhabdomyolysis?
- AKI (acute tubular necrosis)
- Elevated CK, potassium + phosphate
- Myoglobinuria = Coca-Cola urine
- Low calcium
FALLS
What is the management of rhabdomyolysis?
- IV fluids to maintain good urine output
- Rarely urinary alkalinization or dialysis
FALLS
What is the general management of falls prevention?
- Medication review
- Provide good footwear + walking aid access
- Call bell close to hand
- Physio + OT
- Correct sensory impairments incl. good lighting
- Alarms = pullcord or pendant alarms
POSTURAL HYPOTENSION
What is the pathophysiology of postural hypotension?
- When standing, gravity causes blood to pool in legs + abdo which decreases BP as less blood circulating back to heart
- Normally, baroreceptors near heart + carotid arteries sense this lower BP + increase the BP but in postural hypotension, something interrupts this mechanism
POSTURAL HYPOTENSION
What are some causes of postural hypotension?
- Iatrogenic = diuretics, ACEi, beta blockers, nitrates, L-dopa, anticholinergics
- Autonomic dysfunction = DM, Parkinson’s disease
- Endo = Addison’s disease
- Hypovolaemia
POSTURAL HYPOTENSION
What is the clinical presentation of postural hypotension?
How is it diagnosed?
- Dizziness, syncope + falls after standing
- Lying/standing BP = drop ≥20mmHg in SBP or ≥10mmHg in DBP
POSTURAL HYPOTENSION
What is the conservative management of postural hypotension?
- Drinks lots of water
- Medication review
- Compression stockings
- Advice = rise from sitting slowly, elevate head of bed
POSTURAL HYPOTENSION
What is the pharmacological management of postural hypotension?
- Fludrocortisone = mineralocorticoid = Na/water retention > SE oedema
- Midodrine = alpha-adrenergic agonist (when cause is autonomic dysfunction)
PRESSURE ULCERS
What is an ulcer?
What is a pressure ulcer?
Where would you commonly find them?
- Areas of skin necrosis due to pressure-induced ischaemia
- Sacrum, heels, greater trochanters, shoulders
PRESSURE ULCERS
What are the main risk factors for developing pressure ulcers and how these are screened for?
Waterlow score –
- PVD (poor healing/reduced tissue perfusion)
- Immobility (#, pain)
- Dehydration + malnourishment
- Obesity
- Incontinence
PRESSURE ULCERS
What are the different grades for pressure ulcers?
- I = non-blanching erythema with intact skin
- II = broken skin or blistering (epidermis ± dermis only)
- III = full-thickness skin loss involving damage/necrosis of subcutaneous tissue
- IV = extensive loss, destruction/necrosis of muscle, bone, joint or tendon
PRESSURE ULCERS
What are some investigations for pressure ulcers?
- FBC (WCC), cultures
- CRP/ESR
- Swabs for MC&S if infected
- XR for bone involvement (?osteomyelitis)
PRESSURE ULCERS
How can pressure ulcers be prevented?
- Mobilise
- Repositioning (6º or 4º if high risk)
- Pressure mattress
- Barrier creams
- Regular skin assessments
PRESSURE ULCERS
What is the management of pressure ulcers?
- Pain relief
- Moist environment promotes healing = hydrocolloid dressings + hydrogels
- Refer to tissue viability nurse
- May need surgical debridement
MALNUTRITION
What is the NICE definition of malnutrition?
- BMI <18.5 or
- Unintentional weight loss >10% in past 3–6m or
- BMI <20 and unintentional weight loss >5% in past 3–6m
MALNUTRITION
What are the three main causes of malnutrition and what can lead to them?
- Inadequate nutritional intake = reduced appetite, dysphagia, pain, dementia
- Increased nutrient requirements = sepsis, cancer
- Malabsorption = IBD, coeliac disease, drains
MALNUTRITION
What investigations would you do in someone with malnutrition?
What tool should you use on those at risk?
- U+Es, LFTs + ECG prior to commencing feedings, albumin (low)
- Malnutrition Universal Screening Tool (MUST) on admission
MALNUTRITION
What are the components of MUST?
What do the scores mean?
- BMI = 18.5-20 (1), <18.5 (2)
- Hx of weight loss = 5-10% (1) ≥10% (2)
- Acutely unwell or likely to have no intake >5d (2)
- 1 = medium risk (observe, if inadequate set goals to improve intake)
- ≥2 = high risk (refer to dietician, set goals to improve intake)
MALNUTRITION
What are some consequences of malnutrition?
- Impaired immunity + recovery
- Loss of muscle mass
- Risk of refeeding syndrome
- Deficiency syndromes
MALNUTRITION
What is the overall principle for the management of malnutrition?
What is trialled after that?
If you are unable to sufficiently supplement their diet orally, what do might you need to consider?
- Food first = food fortification (add full-fat cream to mashed potato)
- Oral nutritional supplements (ONS) e.g., Fortisip
- Enteral/Parenteral feeding
MALNUTRITION
What are the 4 main types of enteral feeding?
What are the drawbacks?
- Nasogastric tube, nasojejunal tube, percutaneous endoscopic gastrostomy/jejunostomy
- Diarrhoea, aspiration, refeeding syndrome, appearance
MALNUTRITION
What is an NG tube?
How long is it used for?
How do you confirm its placement?
- Tube feeds into stomach, inserted on ward
- Short-term <30d
- Gold standard = pH aspirate ≤5.5 if not CXR
MALNUTRITION
What is an NJ tube?
How long is it used for?
- Tube feeds into stomach, radiological guidance
- Short-term <60d
MALNUTRITION
What are the indications for PEG?
What are the indications for PEJ?
- Long-term replacement, dysphagia, CF
- Long-term replacement, delayed gastric emptying, upper GI surgery
MALNUTRITION
What is parenteral feeding?
What method is used?
- Feeding when gut is inaccessible or unable to absorb sufficient nutrients
- IV access via peripherally inserted central catheter (PICC) or central line
MALNUTRITION
What are the indications for parenteral feeding?
What are the drawbacks?
- Short bowel syndrome, bowel obstruction or bowel rest
- Thrombosis, sepsis, metabolic acidosis, refeeding syndrome
OSTEOPOROSIS
What is osteoporosis?
- Characterised by decreased bone mineral density due to micro-architectural deterioration of bone tissue leading to risk of fragility fractures
OSTEOPOROSIS
What are the risk factors for osteoporosis?
SHATTERED
- Steroids
- Hyper/hypothyroid
- Alcohol/smoking
- Thin (low BMI)
- Testosterone low (F)
- Early menopause
- Renal/liver failure
- Relatives (FHx)
- Erosive bone disease (RA)
- Dietary Ca2+ low
OSTEOPOROSIS
What is the clinical presentation of osteoporosis?
- Fragility fractures
- Vertebral = acute back pain, height loss, kyphosis, but often incidental finding
- Distal radius = Colles’ #
- Neck of femur
OSTEOPOROSIS
What initial investigations should you do in osteoporosis?
What risk score can you use and what does it tell you?
- FBC, U&E, LFTs, TFTs, CRP, bone profile (calcium, phosphate, PTH) = normal as not mineral issue
- XR spine first-line for # (wedging of vertebrae, old # = sclerotic)
- FRAX = 10-year probability of fragility # for patients 40–90y
OSTEOPOROSIS
What are the various parts of the FRAX tool?
- Personal = age, sex, kg, height (cm)
- PMHx = RA, previous #, 2º osteoporosis
- DHx = glucocorticoids
- FHx = parental hip #
- Social Hx = smoking, alcohol ≥3 units/day
- Other = femoral neck BMD
OSTEOPOROSIS
What is the management of FRAX scores?
- Low risk = reassure + lifestyle advice
- Intermediate risk = dual-energy x-ray absorptiometry (DEXA) scan gold standard for bone mineral density
- High risk = bone protection
OSTEOPOROSIS
What are the two scores you get from a DEXA scan?
What do the results mean?
- T-score = based on bone mass of young reference population
- Z-score = adjusted for their demographics (age, gender, ethnicity)
- T-score ≤ -2.5 = osteoporosis
- –2.5 < T-score ≤ –1 = osteopenia (low bone mass)
- –1 < T-score ≤ 1 = healthy
OSTEOPOROSIS
What is the general lifestyle management for osteoporosis?
- Quit smoking
- Reduce alcohol
- Weight bearing exercises
OSTEOPOROSIS
How do you manage fragility fractures in osteoporosis?
- ≥75y = start PO bisphosphonate without DEXA scan
- <75y = DEXA scan then calculate FRAX
OSTEOPOROSIS
How do you manage corticosteroid-induced osteoporosis?
- ≥65y = previous fragility # = bone protection
- <65y = DEXA scan, if T-score 0-–1.5 repeat in 1–3y, if < –1.5 = bone protection
OSTEOPOROSIS
What bone protection is offered in osteoporosis?
What is the first line management?
- All offered vitamin D + calcium supplementation unless clinician confident they have adequate intake
- Bisphosphonate such as PO alendronate 70mg weekly
OSTEOPOROSIS
What is the mechanism of action of bisphosphonates?
What important patient information should you give?
What are some potential adverse effects?
- Inhibit osteoclasts by reducing recruitment + promoting apoptosis
- Take on empty stomach, plenty of water, stay upright for 30m
- Oesophageal reactions (oesophagitis, ulcers), osteonecrosis of jaw, risk of atypical stress # of proximal femoral shaft, hypocalcaemia
OSTEOPOROSIS
What are the other management options for bone protection in osteoporosis?
- 2nd line = risedronate
- 3rd line = strontium ranelate or raloxifene (SERMs)
- Last line = denosumab (monoclonal Ab to RANK-ligand)
- ?Teriparatide (recombinant PTH which increases osteoblast activity)
PRESCRIBING IN PALLIATIVE CARE
What are the main symptoms experienced in end of life?
- Pain
- Nausea and vomiting
- Secretions
- Agitation and confusion
- Breathlessness
PRESCRIBING IN PALLIATIVE CARE
How do you go about starting morphine?
What else should you consider prescribing?
How much should you increase doses by?
- Morphine MR 30mg (15mg BD) with 5mg IR for breakthrough pain
- Co-prescribe laxatives + anti-emetics if nausea persists
- 30–50%
PRESCRIBING IN PALLIATIVE CARE
What opioids would you use in renal impairment?
How do you calculate breakthrough pain dose?
- Oxycodone if mild-mod, buprenorphine + fentanyl if severe
- 1/6th–1/10th daily opioid dose
PRESCRIBING IN PALLIATIVE CARE
What are some side effects of opioids?
- Transient = nausea, drowsiness
- Persistent = constipation
PRESCRIBING IN PALLIATIVE CARE
What are some common opioid conversions?
i) PO codeine > PO morphine?
ii) PO morphine > SC morphine?
iii) PO morphine > SC diamorphine?
iv) PO morphine > PO oxycodone
i) ÷ 10
ii) ÷ 2
iii) ÷ 3
iv) ÷ 1.5
PRESCRIBING IN PALLIATIVE CARE
What are the 6 main causes of nausea and vomiting in palliative care?
- Reduced gastric motility
- Chemically mediated
- Visceral
- Raised ICP
- Vestibular
- Cortical
PRESCRIBING IN PALLIATIVE CARE
What causes reduced gastric motility N+V?
What is the management?
What important caution is there?
- Opioid and serotonin + dopamine receptors related
- First line = metoclopramide or domperidone (pro-kinetics)
- Metoclopramide C/I if complete bowel obstruction, GI perforation or immediately following gastric surgery
PRESCRIBING IN PALLIATIVE CARE
What causes chemically mediated N+V?
What is the management?
- Secondary to hypercalcaemia, opioids or chemo
- First line = ondansetron (5-HT3 receptor antagonist), haloperidol or levomepromazine
PRESCRIBING IN PALLIATIVE CARE
What causes visceral mediated N+V?
What is the management?
- Constipation, PO candidiasis
- First line = cyclizine (H1 receptor antagonist) or levomepromazine
PRESCRIBING IN PALLIATIVE CARE
What causes raised ICP N+V?
What is the management?
- Secondary to cerebral mets
- First line = cyclizine or dexamethasone
PRESCRIBING IN PALLIATIVE CARE
What causes vestibular N+V?
What is the management?
- Activation of acetylcholine + histamine receptors
- First line = cyclizine
- Refractory = metoclopramide or prochlorperazine
PRESCRIBING IN PALLIATIVE CARE
What causes cortical N+V?
What is the management?
- Anxiety, pain, and/or anticipatory nausea, related to GABA + histamine
- Anticipatory = BDZ like lorazepam, or ondansetron
PRESCRIBING IN PALLIATIVE CARE
What is the management of secretions?
- Conservative = avoid fluid overload, educate family that unlikely troublesome
- First line = hyoscine butyl/hydrobromide
- Glycopyrronium bromide may be used
PRESCRIBING IN PALLIATIVE CARE
What is the management of agitation and confusion?
- First line = haloperidol
- Other = chlorpromazine (also hiccups), levomepromazine
PRESCRIBING IN PALLIATIVE CARE
What is the management of breathlessness
- Therapeutic oxygen
- Morphine
- Midazolam if anxiety related
