Patients prefer endoscopic over mini-open carpal tunnel release .
This report has been verified
by one or more authors of the
original publication.
OrthoEvidence Journal (OE Journal) - ACE Report
OE Journal. 2013;1(10):19 Clin Orthop Relat Res. 2013 May;471(5):1548-54. doi: 10.1007/s11999-012-2666-z. Epub 2012 Oct 2652 patients with bilateral carpal tunnel syndrome were randomized to have endoscopic release performed on one hand and mini-incision on the other. The trial aimed to compare the subjective patient based outcomes between the two procedures. Despite similar Boston Carpal Tunnel Questionnaire (BCTQ) and DASH scores between the two groups after 3 months, 34 preferred endoscopic technique compared to 13 preferring the mini-incision, mostly due to scars and pillar pain.
Was the allocation sequence adequately generated?
Was allocation adequately concealed?
Blinding Treatment Providers: Was knowledge of the allocated interventions adequately prevented?
Blinding Outcome Assessors: Was knowledge of the allocated interventions adequately prevented?
Blinding Patients: Was knowledge of the allocated interventions adequately prevented?
Was loss to follow-up (missing outcome data) infrequent?
Are reports of the study free of suggestion of selective outcome reporting?
Were outcomes objective, patient-important and assessed in a manner to limit bias (ie. duplicate assessors, Independent assessors)?
Was the sample size sufficiently large to assure a balance of prognosis and sufficiently large number of outcome events?
Was investigator expertise/experience with both treatment and control techniques likely the same (ie.were criteria for surgeon participation/expertise provided)?
Ja = 1
Ungewiss = 0.5
Nicht relevant = 0
Nein = 0
Die Bewertung der Berichtskriterien bewertet die Transparenz, mit der die Autoren die methodischen und studienspezifischen Merkmale der Studie in der Veröffentlichung angeben. Die Bewertung ist in fünf Kategorien unterteilt, die im Folgenden vorgestellt werden.
3/4
Randomization
2/4
Outcome Measurements
4/4
Inclusion / Exclusion
4/4
Therapy Description
3/4
Statistics
Detsky AS, Naylor CD, O'Rourke K, McGeer AJ, L'Abbé KA. J Clin Epidemiol. 1992;45:255-65
Der Fragilitätsindex ist ein Instrument, das bei der Interpretation signifikanter Ergebnisse hilft und ein Maß für die Stärke eines Ergebnisses liefert. Der Fragilitätsindex gibt die Anzahl der aufeinanderfolgenden Ereignisse an, die zu einem dichotomen Ergebnis hinzugefügt werden müssen, damit das Ergebnis nicht mehr signifikant ist. Eine kleine Zahl steht für ein schwächeres Ergebnis und eine große Zahl für ein stärkeres Ergebnis.
Warum wurde diese Studie jetzt benötigt?
Since non-operative treatments for carpal tunnel syndrome often fail, the condition can be treated either by endoscopic or open (standard or mini-incision) carpal tunnel releases. Endoscopic technique is often favoured, due to lower pain, faster return to work, and fewer infections and hypertrophic scars. However, it also comes with a risk of median nerve injury. Mini-incision is sometimes chosen by surgeons for its simplicity, cost, and lower complication rates. Regardless, patient preference is an important factor; therefore, the study aimed to compare subjective patient-based outcomes and preferences between the two techniques.
Was war die wichtigste Forschungsfrage?
Did subjective outcomes and patient preferences after 3 months differ between endoscopic release, performed on one hand, and mini-incision release, performed on the other, in patients with bilateral carpal tunnel syndrome?
- At 3 months, the mean BCTQ-S scores improved similarly in both groups; in the endoscopic group from 3.3 (95% CI 3.1 to 3.5) to 1.5 (95% CI 1.4 to 1.6) and in the mini-incision group from 3.3 (95% CI 3.1 to 3.5) to 1.4 (95% CI 1.4 to 1.6) (p>0.05).
- At 3 months, the mean BCTQ-F score similarly improved from 2.8 (95% CI 2.6 to 3.1) to 1.5 (95% CI 1.4 to 1.6) in the endoscopic group and from 3.0 (95% CI 2.6 to 3.0) to 1.7 (95% CI 1.3 to 1.5) in the mini-incision group (p>0.05).
- At 3 months, mean DASH score in the endoscopic group improved from 48.3 (95% CI 43.7 to 52.9) to 11.3 (95% CI 8.6 to 13.9) and in the mini-incision group from 47.8 (95% CI 43.1 to 52.4) to 10.8 (95%CI 8.1 to 13.6) with no differences between two groups (p>0.05)
- No instances of deep wound infections, median nerve injury, and revisions were seen.
- 34 patients preferred endoscopic technique, 13 preferred mini-incision technique, and the rest had no preference. Preference was not affected by occupation, hand dominance, or electrophysiologic test findings (all p>0.05)
- Endoscopic technique was preferred over mini-incision most primarily due to scar and pillar pain, but the proportion of patients was not significant (p = 0.114). However, a significant number of patients disliked endoscopic method because of transient worsening of symptoms (p=0.004)
Was sollte ich mir besonders merken?
Endoscopic carpal tunnel release and mini-incision carpal tunnel release provided similar subjective outcomes 3 months after surgery. 34 patients preferred endoscopic technique over mini incision mostly due to the scar and pillar pain this is compared to 13 preferring the mini incision technique.
Wie wird sich dies auf die Behandlung meiner Patienten auswirken?
Since subjective outcomes seem to not differ between endoscopic and mini-incision techniques, the procedure choice remains in the surgeon’s hand, taking the patient's preference into consideration. Studies with larger sample sizes may be considered, to confirm functional benefit and incidence of complications.
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