Table 1

Summary of randomized controlled trials of surgical interventions for carpal tunnel syndrome

First Author/date
Country
Experimental intervention
Control
Sample size
Length of follow-up (weeks)
blinded assessor











Patients
hands



Holmgren-Larsson (1985)
Sweden
OCTR with epineurotomy.
OCTR
48
48
36

Lowry (1988)
USA
OCTR with neurolysis
OCTR
41
50
12

Mackinnon l (1991)
Canada
OCTR with neurolysis
OCTR
59
64
52

Agee (1992)
USA
ECTR
OCTR
122
147
26

Brown (1993)
USA
ECTR
OCTR
145
169
12

Erdmann (1994)
UK
ECTR
OCTR
71
105
52

Foulkes (1994)
USA
OCTR with epineurotomy
OCTR
33
36
52

Sennwald (1995)
Switzerland
ECTR
OCTR
47
47
12

Dumontier (1995)
France
ECTR
OCTR
96
96
36

Jacobsen (1996)
Sweden
ECTR
OCTR
29
32
36

Leinberry (1997)
USA
OCTR with epineurotomy
OCTR
44
50
52

Citron (1997)
UK
OCTR (L-incision)
OCTR
47
47
52

Nakamichi (1997)
Japan
OCTR with Ultrasound
OCTR
103
103
104

Brüser (1999)
Germany
OCTR (short incision.)
OCTR
80
80
6

Mackenzie (2000)
USA
ECTR
OCTR
26
36
4

Trumble (2002)
USA
ECTR
OCTR
147
192
52

Jugovac (2002)
Croatia
OCTR (short incision)
OCTR
72
72
12

Shum (2002)
USA
OCTR with Flexor tenosyn
OCTR
87
88
52

Ferdinand (2002)
UK
ECTR
OCTR
25
50
52

Borisch (2003)
Germany
OCTR with epineurotomy
OCTR
273
307
52

Macdermid (2003)
Canada
ECTR
OCTR
123
123
52

Saw (2003)
UK
ECTR
OCTR
123
123
12

Helm (2003)
UK
'Knifelight' ECTR
OCTR
82
82
6

Wong (2003)
China
'limited' OCTR
ECTR
30
60
52

Battacharya (2004)
UK
Knifelight' ECTR
OCTR
26
52
6

Dias (2004)
UK
Lengthening of flex ret.
OCTR
26
52
25

Kharwadkar (2005)
UK
OCTR absorbable sutures
OCTR
33
40
12

Lorgelly (2005)
UK
Minimally invasive OCTR
OCTR
194
208
104


TOTAL n = 28



2232
2558



ECTR = endoscopic carpal tunnel release; OCTR = Open carpal tunnel release; flex ret. = flexor retinaculum; tenosyn = tenosynovectomy

Jerosch-Herold et al. BMC Musculoskeletal Disorders 2006 7:96   doi:10.1186/1471-2474-7-96