What McGowan grade justifies surgery?

McGowan Grade 1: conservative management (night splinting, activity modification). Grade 2: consider surgical decompression (in-situ or transposition). Grade 3: urgent surgical decompression; severe intrinsic wasting may be irreversible even after decompression.

What are the electrophysiological findings in cubital tunnel syndrome?

Slowed ulnar nerve conduction velocity across the elbow (normal >50 m/s). Conduction velocity <50 m/s = mild; <40 m/s = severe. Absent or reduced SNAP/CMAP amplitude in severe cases indicates axonal loss and worsens prognosis.

In situ decompression vs transposition for cubital tunnel?

Meta-analyses show equivalent outcomes for in-situ decompression vs anterior transposition for mild-moderate cubital tunnel. Transposition reserved for subluxating nerve, revision cases, or failed in-situ decompression. Neither approach is superior for all patients.

Cubital Tunnel Syndrome McGowan Grading

Apply McGowan grading for cubital tunnel syndrome (ulnar nerve neuropathy at elbow). Grade 1 (subjective only, no wasting), Grade 2 (intrinsic weakness, hypothenar wasting), Grade 3 (severe intrinsic wasting and paralysis). Guides conservative vs surgical decompression.

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