Role of pronator release in revision carpal tunnel surgery

Open Access

Table 2.

Intraoperative findings in PTR and redo CTR^*.

Operative findings in redo CTR (total 25 wrists)		Operative findings in PTR (Total 20 elbows)
Reform TCL^**	80% (20/25)	Deep head pronator teres	90% (18/20)
Scar adhesion^***	40% (10/25)	Sublimis arch	40% (8/20)
Synovitis	12% (3/25)	Lacertus fibrosus	50% (10/20)
Neuroma	4% (1/25)	Brachial sheath	20% (4/20)
		Ligament of Struther	25% (5/20)

TCL : Transverse carpal ligament.

Operative findings were reported from 22 patients; 25 wrists (19 unilateral and 3 bilateral CTR), and 20 elbows (14 unilateral and 3 bilateral PTR).

^{**, ***}

4/25 wrists (16%) with reform TCL and 6/25 wrists (24%) with scar adhesion have clear evidence of pressure effect to median nerve including disproportion of median nerve, hour-glass appearance, or tight scar around the median nerve that need external neurolysis.

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