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How to manage leg ulcers in the elderly
David Riding Clinical Research Fellow / Specialty Registrar in Vascular Surgery
University of Manchester / MFT
British Geriatric Society Trainees’ Meeting 2018
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Objectives
Overview of venous leg ulcers Overview of arterial leg ulcers Management in the elderly
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JRCPTB curriculum
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What are we actually treating?
1. Chronic venous insufficiency 2. Peripheral arterial disease Diabetes Vasculitis Infection Sickle cell / polycythaemia Trauma (pressure sores) Neoplastic BGS Trai
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1. Chronic venous insufficiency + ulceration
Pathophysiology Clinical assessment Treatment Secondary prevention BGS Trai
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Veins of the lower limb
Superficial veins drain into deep veins (popliteal fossa, groin, perforators) DVT = thrombus in deep veins Phlebitis – inflammation of superficial veins (+/- thrombus) Chronic venous insufficiency can be caused by: Superficial incompetence Deep obstruction / incompetence
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Chronic venous insufficiency
History: Symptoms: heaviness, aching, swelling, worse after standing PMHx: Any chance of venous obstruction? Any significant co-morbidity that may be contributing to ankle swelling? Obesity Functional status: realistic aims of treatment are vital
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Examination: (Standing if possible)
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All images Creative Commons BGS Trai
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All images Creative Commons BGS Trai
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AAA
Carotid disease
Lower limb reconstruction
Thoracic outlet
obstruction
Trauma
Oncovascular
SpR Cons
Duplex
Core Trainee
Post-take ward round last weekend:
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Venous ulceration – facts and figures:
• Lifetime risk of 1% in Northern Europe • £600 million per year • 22% of UK District Nursing time
Age strongly associated with venous leg ulcer
Prof Blackadder’s Rule of Vascular Research:
‘Anything arterial will get funded, anything related to venous leg ulceration won’t’
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Treatment: consider three options (pragmatically) 1. Compression
Counter the venous hypertension
Layered bandages Stockings Strapping devices Debridement Dressings DGH: District nurse TH: Leg ulcer nurse
2. Drugs
Counter infection
All VLU will have topical infection *Not all need antibiotics* DGH: Physicians TH: Physicians
3. Surgery
Counter the venous incompetence
Open Endovascular DGH: Tertiary referral TH: Vascular team BGS Trai
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1. Compression (plus elevation)
Multilayer bandaging needs specialist nurse to fit! In theory: Reduce oedema Absorb exudate Safe if ABPI >0.8 Can be moderated for ABPI 0.6-0.8
In practice: Painful Hot Impractical High nursing cost Requires motivated patient
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Outcome of using silver / honey / kryptonite dressings*
*Use the cheapest non-adherent
you can find Creative Commons
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2. Drugs
When to use antibiotics: Sepsis Cellulitis No evidence for anything else
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3. Surgery (always worth a discussion)
Aim: Defunction the long saphenous vein and tributaries Open: High tie and strip (GA) Endovascular: Heat Sclerosant (LA) Superglue ESCHAR trial: no effect on healing, reduces recurrence
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Non-adherence
Healing is impossible without patient motivation Threats: - Lack of understanding - Perceptions of healthcare professionals - Stigma - Pain, itching - Healing and social isolation Consider ‘Leg Club’ referral
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Secondary prevention
Compression (Class 2 stockings, 18-24mmHg) Exercise Weight loss
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2. Peripheral arterial disease
Pathophysiology Clinical assessment Treatment Secondary prevention
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Peripheral arterial disease (of the lower limb)
(Anything distal to the heart) Atherosclerosis Plaque development Luminal stenosis Ischaemia Infarction
Asymptomatic Long-distance claudication Short-distance claudication Critical limb ischaemia Gangrene
BMT
BMT + revascularisation
BMT + amputation + revascularisation
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Peripheral arterial disease: history
Standard cardiovascular history Focus on functional status – what are we aiming for? Co-morbidity – is surgery possible? BGS Trai
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Claudication: the key symptom
Criteria: 1. Reproducible site* and distance 2. Worse walking uphill / at speed 3. Settles within 10 minutes 4. Absent at rest
*Pain is felt distal to the stenosis (e.g. iliac disease in the buttocks, femoral artery disease in the calf)
Cardiorespiratory compromise may not allow patients to reach their claudication distance
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Peripheral arterial disease: Examination
Right Left
Radial Palpable Palpable
Brachial Palpable Palpable
Aorta Normal
Femoral Impalpable (Monophasic) Palpable
Popliteal Impalpable (Monophasic) Palpable
Dorsalis pedis Impalpable (Monophasic) Impalpable (Monophasic)
Posterior tibial Impalpable (No signal) Impalpable (Monophasic)
ABPI 0.42 0.65 BGS Traine
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Critical limb ischaemia
Criteria: 1. Tissue loss (i.e ulceration) 2. ABPI <0.5 3. Rest pain Requires urgent Vascular Surgery opinion
ABPI = Ankle SBP / Brachial SBP (Using the hand-held Doppler) >1.1 = Possible calcification 0.8-1.1 = Normal 0.5-0.8 = Mild / mod PAD <0.5 = Severe PAD
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Arterial ulceration
Different than venous ulcers: ‘Punched out’ Bony prominences Foot / malleoli No skin changes in gaiter area
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Investigations
Get an arterial duplex (or a CT angio if not available) Duplex = Ultrasound + Colourflow Doppler
100 cm / second
400 cm / second
Stenosis
(Think: ‘thumb over hosepipe’) BGS Traine
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Management: urgent vascular opinion
Our thought process (sic):
Sepsis? Can we optimise anything (beware anaemia)? What are we aiming for? Is it achievable?
Best medical therapy plus: Open surgery (bypass, endarterectomy) Endovascular intervention (angioplasty / stent) Amputation (Toes, forefoot, below knee, above knee) Palliation
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Managing complications
Diabetes – needs MDT care Refer to diabetic team + vascular + leg ulcer nurse Mixed aetiology – specialist care If leg not threatened: leg ulcer nurse If leg at risk: vascular surgeon Do the basics, then refer. If in doubt, refer.
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General approach for geriatricians Hx / Ex
ABPI Dopplers Imaging Venous Arterial
Vascular opinion
Leg ulcer nurse
Leg ulcer nurse Vascular opinion Diabetic team
Mixed Vascular surgery?
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Getting help
Imaging CT angiography if duplex unavailable / MR angiography if renal failure Assessment / treatment DGH: General surgeons may review and refer Vascular satellite clinics Phone the SpR – transfer / assess / repatriate or admit TH: Phone the vascular SpR Phone the leg ulcer nurse BGS Trai
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Getting help
Community District nurses Leg ulcer clinics Leg clubs Cardiovascular rehab services
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