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Continuous Nerve Catheter Advantage — FRCA Final MCQ

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EasyRegional AnaesthesiaContinuous Nerve Catheter AdvantageFRCA Final

What is the primary advantage of a continuous peripheral nerve catheter vs single-shot block for major knee surgery?

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Correct answer: B — Prolonged analgesia beyond single LA injection duration

Continuous catheters extend analgesia 48-72+h via repeated boluses/infusions — far beyond 12-18h single-shot duration. Reduces opioid consumption, improves rehabilitation, may reduce chronic post-surgical pain. Initial success and onset similar.

Reference: ESRA – 2023 – Guidelines on continuous peripheral nerve blocks