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This collection of recipes is intended for educational purposes only. Users should adapt these recipes based on individual patient requirements, clinical judgment, and adherence to local and national guidelines.

We cannot be held liable for any adverse outcomes or issues arising from the use or application of these recipes.

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Gas Cookbook | Radiofrequency Ablation (Varicose Veins)

Radiofrequency Ablation (Varicose Veins)

Pre-op Induction Intra-op (If General Anaesthetic)Intra-op (If Spinal + Sedation)Post-op

Vascular

Radiofrequency Ablation (Varicose Veins)

General AnaesthesiaDuration1 hourUpdatedJun 2026

Pre-op Induction Intra-op (If General Anaesthetic)Intra-op (If Spinal + Sedation)Post-op

Vascular patients presenting for RFA may have multiple co-morbidities. Ensure the anaesthetic technique chosen is adjusted and individualised to your patient.
These cases can usually be done under local anaesthetic (depending on extent and complexity of operation
Some cases will require prone positioning, and adjustments in tilting the patient head-up / head-down

Depending on patient factors and positioning

either

Propofol200mg
Fentanyl150mcg
AirwayLMA

Propofol200mg
Fentanyl150mcg
Rocuronium0.6mg/kg
AirwayETT

Maintenance

SevofluraneMAC 1.2

Analgesia

Fentanyl50mcg bolus, Titrate to effect or Morphine0.1mg/kg
Paracetamol1g
Diclofenac75mg

Anti-emetics

Ondansetron4mg
Dexamethasone6.6mg

Other

PropofolTCI, Cet 1-2
AirwayCapnomaskTitrate O2 as required

Analgesia

FentanylRecovery Use Only
Paracetamol1g
Ibuprofen400mg
Dihydrocodeine30mg, PRN

Anti-emetic

Ondansetron4mg
Cyclizine50mg

For reference only. Always check doses against the BNF and your local protocols, and adapt to the patient in front of you. Gas Cookbook is community-shared guidance, not medical advice; clinical responsibility stays with you.

Procedure

Spinal

Technique

Sedation Volatile

By Jeremy Chui

Neuraxialspinal

0.5% Bupivacaine + 8% Glucose2.5-3 ml

Antibiotics as required

Local anaesthetic infiltration by surgical team