Evidence map›Paper›PMID 42399912›Full record

Trial reportBMC surgery2026

Tranexamic acid as an alternative to epinephrine in WALANT carpal tunnel release: a randomized clinical trial.

Lincoln Kamimura, Martha Cecilia Castano-Betancourt, Marcelo Claudiano de Castro, Cristiano Almeida Bastos, Carolina Isper, Ewerton Alexandre Galdeano, Helton Hiroshi Hirata

Abstract readRandomized Controlled TrialComparative Study
In one paragraph

Trial report in BMC surgery, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Lincoln Kamimura *Postgraduation Department, Faculdade de Medicina de Jundiaí, Jundiai, Sao Paulo, Brazil.
Martha Cecilia Castano-Betancourt *Postgraduation Department, Faculdade de Medicina de Jundiaí, Jundiai, Sao Paulo, Brazil. castanomc@yahoo.es.ORCID http://orcid.org/0000-0002-6340-0146
Marcelo Claudiano de CastroPostgraduation Department, Faculdade de Medicina de Jundiaí, Jundiai, Sao Paulo, Brazil.
Cristiano Almeida BastosPostgraduation Department, Faculdade de Medicina de Jundiaí, Jundiai, Sao Paulo, Brazil.
Carolina IsperPostgraduation Department, Faculdade de Medicina de Jundiaí, Jundiai, Sao Paulo, Brazil.
Ewerton Alexandre GaldeanoPostgraduation Department, Faculdade de Medicina de Jundiaí, Jundiai, Sao Paulo, Brazil.
Helton Hiroshi HirataPostgraduation Department, Faculdade de Medicina de Jundiaí, Jundiai, Sao Paulo, Brazil.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundCarpal tunnel release can be performed using the WALANT (Wide-Awake Local Anesthesia No Tourniquet) technique, in which epinephrine is commonly used to improve intraoperative hemostasis. However, concerns regarding vasoconstrictor-related complications persist. This study aimed to compare tranexamic acid (TA) with epinephrine for bleeding control during WALANT carpal tunnel release.

methodsA prospective randomized study including 53 patients with carpal tunnel syndrome was conducted. Patients were randomized to WALANT with epinephrine (n = 27) or tranexamic acid (n = 26). Surgical time, intraoperative hemostasis, patient satisfaction, and postoperative complications were recorded. Clinical outcomes were assessed using specific clinical tests and the Boston Carpal Tunnel Questionnaire preoperatively and at 30 days.

resultsNo severe bleeding or ischemic complications were observed in either group. One infection occurred in the epinephrine group requiring surgical debridement. Greater difficulty in achieving intraoperative hemostasis was observed in the TA group, resulting in longer surgical times (29.3 ± 10.5 min vs. 21.4 ± 6.9 min; P < 0.001). Patient satisfaction and functional outcomes were high and comparable between groups.

conclusionCarpal tunnel release performed using the WALANT technique with either epinephrine or tranexamic acid was associated with similar short-term functional improvement and patient satisfaction. No major complications were observed in either group. However, the use of tranexamic acid was associated with greater difficulty in achieving intraoperative hemostasis and longer surgical times.

trial registrationThe trial protocol is available in the trial registry at Brazilian Clinical Trials Registry (ReBec) under registration number RBR2njtg49, date of registration 11/07/2025 (retrospectively registered). https://ensaiosclinicos.gov.br/rg/RBR2njtg49 .

Indexed as

Anesthesia, LocalAntifibrinolytic AgentsBlood Loss, SurgicalCarpal Tunnel SyndromeEpinephrineHemostasis, SurgicalTranexamic AcidVasoconstrictor AgentsAdultAgedFemaleHumansMaleMiddle AgedPatient SatisfactionProspective StudiesAntifibrinolytic AgentsEpinephrineTranexamic AcidVasoconstrictor AgentsCarpal tunnel syndromeClinical trialHandLocal anesthesiaPostoperativeSurgical complications

Identifiers

PMID42399912
PMCPMC13602671

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.