Emergencies in Palliative Medicine Hazel Pearse Spr Palliative Medicine.
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Transcript of Emergencies in Palliative Medicine Hazel Pearse Spr Palliative Medicine.
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Emergencies in Palliative Medicine
Hazel Pearse
Spr Palliative Medicine
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Objectives
Recognise palliative care emergencies Be aware of their existence Recognise signs and symptoms of common
emergencies Anticipate occurrence of emergencies
Understand who is at risk Be able to minimise the risk
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Objectives
Manage palliative care emergencies Have a basic knowledge of appropriate
treatments Know where to get help and advice
Plan Ahead / Be prepared Understand importance of communication Know what supplies might be needed Advance care planning
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Palliative Care Emergencies
Hypercalcaemia Superior Vena Cava Obstruction (SVCO) Spinal Cord Compression Haemorrhage / Bleeding Seizures / Fitting
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General Principles
Anticipate Who is at risk?
Plan Communication Preparation
Avoid Correct the correctable Prophylaxis
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Factors to consider
What is the emergency Can it be reversed General physical status of the patient Prognosis Burdens of treatment Patients and carers wishes
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Hypercalcaemia
Commonest life threatening metabolic disorder encountered in patients with cancer
Consider non-malignant causes such as hyperparathyroidism
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Hypercalcaemia
Who is at risk? 10-20% of all patients with malignant disease 50% of patients with myeloma 20% of breast and non small cell lung cancer
patients Also commonly seen in oesophagus, thyroid,
prostate, lymphoma, and renal cell carcinoma
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Hypercalcaemia
Features Confusion Drowsiness Nausea and vomiting Constipation Polyuria and polydipsia
Can mimic deterioration due to progressive malignancy
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Hypercalcaemia
What causes high calcium in malignancy? Skeletal metastases Production of osteoclastic factors PTH related protein secretion Ectopic PTH secretion (rare)
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Hypercalcaemia
Diagnosis Check renal function and corrected
calcium( need to know albumin concentration)
Corrected ca = measured Ca+(40-almumin)x0.02
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Management
Is it appropriate to treat Can be effective symptom management even
in the final stages Rehydrate with normal saline Bisphosphonate treatment Calcium takes 3-5 days to normalise
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Prevention of Recurrence
Consider disease modifying treatments Consider maintenance treatment Monitor at 3 weekly intervals or when
symptomatic
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Hypercalcaemia
Prognosis Hypercalcaemia is a sign of tumour progression Survival is less than 3 months with treatment Calcium level >4 leads to renal failure, cardiac
arrhythmias and fits
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Superior Vena Cava Obstruction (SVCO)
External compression
Intraluminal thrombosis
Direct invasion of the vessel wall
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Who is at risk
Mostly tumours / nodes within the mediastinum
75% primary bronchial carcinomas Lymphoma Breast cancer patients Seminoma Occurs in 3% of thoses with ca bronchus
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SVCO: Features
Symptoms Breathlessness Choking Headache Swelling; facial, neck,
trunk and arms
Signs Venous distension Plethora Stridor Coma / Death
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SVCO: Diagnosis
Doppler ultrasound Angiography
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Management
Can be a presenting feature of malignancy Need histology Treatment tailored to type of malignancy
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SVCO: Management in advanced disease
High dose corticosteroids Radiotherapy to the mediastinum Stenting of the SVCO In Non small cell lung cancer palliative
radiotherapy gives relief in 70% Important to give symptomatic treatments for
SOB etc Review steroids after 5 days
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Bleeding
Likely sources Surface bleeding Epistaxis Haemoptysis Haematemesis /
Melaena
Rectal Vaginal Haematuria Erosion of an artery
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Bleeding
Who is at risk? Metastatic malignancy increases the risk of
bleeding and thrombosis 20% of patients with cancer have bleeds In 5% of patients bleeding contributes to death
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Bleeding; risks
The malignancy itself Site of tumour or secondaries; skin, bowel,
bladder, lung etc. Nature of tumour; risk of erosion of near by
vessels
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Bleeding; risks
Thrombocytopenia Marrow infiltration Drugs, chemotherapy Blood transfusion Disseminated
intravascular coagulation (DIC)
Hypersplenism
Impaired function Drugs eg. NSAID Myeloma /
paraproteinaemias Myeloproliferative
disorders Renal and hepatic failure
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Bleeding; risks
Vitamin K deficiency Malnutrition Fat malabsorption Prolonged antibiotic therapy Hepatic impairment Renal impairment
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Bleeding; management
Treat the cause
Treat the site
Stop any medications making the problem worse
Topical
Systemic
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Bleeding; management
Topical therapy Pressure Adrenaline Tranexamic acid Silver nitrate Sucrulfate paste
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Bleeding Management
Systemic therapy Tranexamic acid (oral) Etamsylate Desmopressin
Localised therapy Radiotherapy Cryotherapy LASER Embolization Surgery
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Severe Haemorrhage as a Terminal Event
Preparation/ Advance Care Planning Practical
reduce risks have drugs and equipment at hand
Psychological be aware of the risk Inform other care workers of the risk Discuss with patient / carers?
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Severe Haemorrhage as a Terminal Event
Reduce impact of a bleed Green towels
Support patient and carers Stay with the patient
Sedation 10mg midazolam intramuscularly or buccal
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Spinal Cord Compression (SCC)
Occurs in advanced malignancy Main problem is lack of recognition Up to 5% of patients with cancer develop
SCC There is a 30% 1 year survival Malignancies which commonly cause SCC
include; prostate, breast, lung, myeloma, lymphoma and renal
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Spinal Cord Compression (SCC)
Most commonly affects thoracic level (70%) Signs and symptoms depend on the area of
the cord affected Signs can be subtle to gross More than one level can be affected Compression below L2 affects the cauda
equina
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Spinal Cord Compression
Causes Vertebral metastases and collapse 85% Extravertebral tumour (extension into epidural
space) Intramedullary tumour (from spinal cord) Intradural tumour (from meninges) Epidural metastases
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Spinal Cord Compression
Features Pain (earliest symptom) Weakness Sensory changes and a
sensory level tingling and numbness
Sphincter dysfunction / perianal numbness
Altered reflexes Can have resolution of
the pain
Examination Demarcated sensory
loss Brisk or abscent
reflexes
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Spinal Cord Compression
Diagnosis Urgent MRI Important early diagnosis! 70% have substantial weakness by the time of
scanning 70% who can walk before treatment maintain
mobility 35% of those with weakness regain function Only 5% completley paraplegic do so
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Spinal Cord Compression
Poor prognostic indicators Paraplegia Loss of sphincter function Rapid onset (infarction)
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Management of SCC
Oral dex 16mg MDT approach Radiotherapy ( no spinal instability)20GR 5 # Surgery and radiotherapy ( spinal instability
such as fracture Surgery alone relapse at previously irradiated
site Chemotherapy Steroids alone
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Seizures / Fitting
What is a fit? Usually referring to a generalised tonic clonic
seizure Fall with loss of consciousness Urinary or faecal incontinence Convulsions / jerking / frothing at mouth Self limiting (usually) Post ictal drowsiness and confusion
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Seizures / Fitting
What increases the risk? Epilepsy Stroke Brain tumour Biochemical disturbance Drugs
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Seizures / Fitting
Management: physical Generalised seizure
Diazepam pr / iv Midazolam buccal / sc / iv Phenobarbital sc / iv
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Summary
General Principles Anticipate Discuss and highlight potential problems Weigh up the benefits and burdens of treatment Advance Care Planning