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Meta-Analysis
. 2018 Feb 20;2(2):CD009860.
doi: 10.1002/14651858.CD009860.pub2.

Surgery for trigger finger

Haroldo Junior Fiorini  1 , Marcel Jun Tamaoki, Mário Lenza, Joao Baptista Gomes Dos Santos, Flávio Faloppa, Joao Carlos Belloti
Affiliations
Meta-Analysis

Surgery for trigger finger

Haroldo Junior Fiorini et al. Cochrane Database Syst Rev. .

Abstract

Background: Trigger finger is a common clinical disorder, characterised by pain and catching as the patient flexes and extends digits because of disproportion between the diameter of flexor tendons and the A1 pulley. The treatment approach may include non-surgical or surgical treatments. Currently there is no consensus about the best surgical treatment approach (open, percutaneous or endoscopic approaches).

Objectives: To evaluate the effectiveness and safety of different methods of surgical treatment for trigger finger (open, percutaneous or endoscopic approaches) in adults at any stage of the disease.

Search methods: We searched CENTRAL, MEDLINE, Embase and LILACS up to August 2017.

Selection criteria: We included randomised or quasi-randomised controlled trials that assessed adults with trigger finger and compared any type of surgical treatment with each other or with any other non-surgical intervention. The major outcomes were the resolution of trigger finger, pain, hand function, participant-reported treatment success or satisfaction, recurrence of triggering, adverse events and neurovascular injury.

Data collection and analysis: Two review authors independently selected the trial reports, extracted the data and assessed the risk of bias. Measures of treatment effect for dichotomous outcomes calculated risk ratios (RRs), and mean differences (MDs) or standardised mean differences (SMD) for continuous outcomes, with 95% confidence intervals (CIs). When possible, the data were pooled into meta-analysis using the random-effects model. GRADE was used to assess the quality of evidence for each outcome.

Main results: Fourteen trials were included, totalling 1260 participants, with 1361 trigger fingers. The age of participants included in the studies ranged from 16 to 88 years; and the majority of participants were women (approximately 70%). The average duration of symptoms ranged from three to 15 months, and the follow-up after the procedure ranged from eight weeks to 23 months.The studies reported nine types of comparisons: open surgery versus steroid injections (two studies); percutaneous surgery versus steroid injection (five studies); open surgery versus steroid injection plus ultrasound-guided hyaluronic acid injection (one study); percutaneous surgery plus steroid injection versus steroid injection (one study); percutaneous surgery versus open surgery (five studies); endoscopic surgery versus open surgery (one study); and three comparisons of types of incision for open surgery (transverse incision of the skin in the distal palmar crease, transverse incision of the skin about 2-3 mm distally from distal palmar crease, and longitudinal incision of the skin) (one study).Most studies had significant methodological flaws and were considered at high or unclear risk of selection bias, performance bias, detection bias and reporting bias. The primary comparison was open surgery versus steroid injections, because open surgery is the oldest and the most widely used treatment method and considered as standard surgery, whereas steroid injection is the least invasive control treatment method as reported in the studies in this review and is often used as first-line treatment in clinical practice.Compared with steroid injection, there was low-quality evidence that open surgery provides benefits with respect to less triggering recurrence, although it has the disadvantage of being more painful. Evidence was downgraded due to study design flaws and imprecision.Based on two trials (270 participants) from six up to 12 months, 50/130 (or 385 per 1000) individuals had recurrence of trigger finger in the steroid injection group compared with 8/140 (or 65 per 1000; range 35 to 127) in the open surgery group, RR 0.17 (95% CI 0.09 to 0.33), for an absolute risk difference that 29% fewer people had recurrence of symptoms with open surgery (60% fewer to 3% more individuals); relative change translates to improvement of 83% in the open surgery group (67% to 91% better).At one week, 9/49 (184 per 1000) people had pain on the palm of the hand in the steroid injection group compared with 38/56 (or 678 per 1000; ranging from 366 to 1000) in the open surgery group, RR 3.69 (95% CI 1.99 to 6.85), for an absolute risk difference that 49% more had pain with open surgery (33% to 66% more); relative change translates to worsening of 269% (585% to 99% worse) (one trial, 105 participants).Because of very low quality evidence from two trials we are uncertain whether open surgery improve resolution of trigger finger in the follow-up at six to 12 months, when compared with steroid injection (131/140 observed in the open surgery group compared with 80/130 in the control group; RR 1.48, 95% CI 0.79 to 2.76); evidence was downgraded due to study design flaws, inconsistency and imprecision. Low-quality evidence from two trials and few event rates (270 participants) from six up to 12 months of follow-up, we are uncertain whether open surgery increased the risk of adverse events (incidence of infection, tendon injury, flare, cutaneous discomfort and fat necrosis) (18/140 observed in the open surgery group compared with 17/130 in the control group; RR 1.02, 95% CI 0.57 to 1.84) and neurovascular injury (9/140 observed in the open surgery group compared with 4/130 in the control group; RR 2.17, 95% CI 0.7 to 6.77). Twelve participants (8 versus 4) did not complete the follow-up, and it was considered that they did not have a positive outcome in the data analysis. We are uncertain whether open surgery was more effective than steroid injection in improving hand function or participant satisfaction as studies did not report these outcomes.

Authors' conclusions: Low-quality evidence indicates that, compared with steroid injection, open surgical treatment in people with trigger finger, may result in a less recurrence rate from six up to 12 months following the treatment, although it increases the incidence of pain during the first follow-up week. We are uncertain about the effect of open surgery with regard to the resolution rate in follow-up at six to 12 months, compared with steroid injections, due high heterogeneity and few events occurred in the trials; we are uncertain too about the risk of adverse events and neurovascular injury because of a few events occurred in the studies. Hand function or participant satisfaction were not reported.

PubMed Disclaimer

Conflict of interest statement

A potential conflict of interest in this review arises because the authors JBGS, FF and JCB were co‐authors in one of the 14 studies included in the review (Sato 2012).

Figures

1
1
Study flow diagram.
2
2
Risk of bias graph: review authors' judgements about each risk of bias item presented as percentages across all included studies.
3
3
Risk of bias summary: review authors' judgements about each risk of bias item for each included study.
1.1
1.1. Analysis
Comparison 1 Open surgery versus steroid injection, Outcome 1 Resolution of trigger finger.
1.2
1.2. Analysis
Comparison 1 Open surgery versus steroid injection, Outcome 2 Pain on the palm of the hand.
1.3
1.3. Analysis
Comparison 1 Open surgery versus steroid injection, Outcome 3 Pain (1 to 10 scale).
1.4
1.4. Analysis
Comparison 1 Open surgery versus steroid injection, Outcome 4 Frequency of recurrence.
1.5
1.5. Analysis
Comparison 1 Open surgery versus steroid injection, Outcome 5 Adverse events.
1.6
1.6. Analysis
Comparison 1 Open surgery versus steroid injection, Outcome 6 Neurovascular injury.
1.7
1.7. Analysis
Comparison 1 Open surgery versus steroid injection, Outcome 7 Subgroup analyses for resolution.
1.8
1.8. Analysis
Comparison 1 Open surgery versus steroid injection, Outcome 8 Subgroup analyses for recurrence.
2.1
2.1. Analysis
Comparison 2 Percutaneous surgery versus steroid injection, Outcome 1 Resolution of trigger finger.
2.2
2.2. Analysis
Comparison 2 Percutaneous surgery versus steroid injection, Outcome 2 Pain (VAS: 0 to 10 scale).
2.3
2.3. Analysis
Comparison 2 Percutaneous surgery versus steroid injection, Outcome 3 Pain on the palm of the hand.
2.4
2.4. Analysis
Comparison 2 Percutaneous surgery versus steroid injection, Outcome 4 Frequency of recurrence.
2.5
2.5. Analysis
Comparison 2 Percutaneous surgery versus steroid injection, Outcome 5 Adverse events.
2.6
2.6. Analysis
Comparison 2 Percutaneous surgery versus steroid injection, Outcome 6 Neurovascular injury.
2.7
2.7. Analysis
Comparison 2 Percutaneous surgery versus steroid injection, Outcome 7 Subgroup analyses for resolution.
2.8
2.8. Analysis
Comparison 2 Percutaneous surgery versus steroid injection, Outcome 8 Subgroup analyses for recurrence.
3.1
3.1. Analysis
Comparison 3 Open surgery versus steroid injection plus hyaluronic acid injection guided by ultrasound, Outcome 1 Resolution of trigger finger.
3.2
3.2. Analysis
Comparison 3 Open surgery versus steroid injection plus hyaluronic acid injection guided by ultrasound, Outcome 2 Frequency of recurrence.
3.3
3.3. Analysis
Comparison 3 Open surgery versus steroid injection plus hyaluronic acid injection guided by ultrasound, Outcome 3 Adverse events.
4.1
4.1. Analysis
Comparison 4 Percutaneous surgery plus steroid injection versus steroid injection, Outcome 1 Resolution of trigger finger.
4.2
4.2. Analysis
Comparison 4 Percutaneous surgery plus steroid injection versus steroid injection, Outcome 2 Adverse events.
4.3
4.3. Analysis
Comparison 4 Percutaneous surgery plus steroid injection versus steroid injection, Outcome 3 Neurovascular injury.
5.1
5.1. Analysis
Comparison 5 Percutaneous surgery versus open surgery, Outcome 1 Resolution of trigger finger.
5.2
5.2. Analysis
Comparison 5 Percutaneous surgery versus open surgery, Outcome 2 Pain (1 to 6 scale).
5.3
5.3. Analysis
Comparison 5 Percutaneous surgery versus open surgery, Outcome 3 Pain on the palm of the hand.
5.4
5.4. Analysis
Comparison 5 Percutaneous surgery versus open surgery, Outcome 4 Frequency of recurrence.
5.5
5.5. Analysis
Comparison 5 Percutaneous surgery versus open surgery, Outcome 5 Adverse events.
5.6
5.6. Analysis
Comparison 5 Percutaneous surgery versus open surgery, Outcome 6 Subgroup analyses for resolution.
5.7
5.7. Analysis
Comparison 5 Percutaneous surgery versus open surgery, Outcome 7 Subgroup analyses for recurrence.
6.1
6.1. Analysis
Comparison 6 Endoscopic surgery versus open surgery, Outcome 1 Resolution of trigger finger.
6.2
6.2. Analysis
Comparison 6 Endoscopic surgery versus open surgery, Outcome 2 Adverse events.
6.3
6.3. Analysis
Comparison 6 Endoscopic surgery versus open surgery, Outcome 3 Neurovascular injury.
7.1
7.1. Analysis
Comparison 7 Open surgery by transverse incision of the skin about 2–3 mm distally from distal palmar crease versus open surgery by longitudinal incision of the skin, Outcome 1 DASH score.
8.1
8.1. Analysis
Comparison 8 Open surgery by transverse incision of the skin in the distal palmar crease versus open surgery by longitudinal incision of the skin, Outcome 1 DASH score.
9.1
9.1. Analysis
Comparison 9 Open surgery by transverse incision of the skin in the distal palmar crease versus open surgery by transverse incision of the skin about 2–3 mm distally from distal palmar crease, Outcome 1 DASH score.
See this image and copyright information in PMC

Update of

  • doi: 10.1002/14651858.CD009860

References

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TCTR20140529001 {unpublished data only}
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