Evidence map›Paper›PMID 37323978›Full record

ArticleJournal of hand surgery global online2023

The Inlet and Outlet Ratio: Retrospective and Prospective Study on an Improved Diagnostic Ultrasound Tool for Carpal Tunnel Syndrome.

Stefanie Hirsiger, Nora Schlimme, Jean-Benoît Rossel, Samuel Christen, Adriaan Ockert Grobbelaar, Esther Vögelin

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Article in Journal of hand surgery global online, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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0citing papers in PubMed
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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

6 authors.

Stefanie HirsigerDepartment of Hand and Plastic Surgery, Inselspital Bern, University of Bern, Bern, Switzerland.
Nora SchlimmeDepartment of Hand and Plastic Surgery, Inselspital Bern, University of Bern, Bern, Switzerland.
Jean-Benoît RosselCTU Bern, University of Bern, Bern, Switzerland.
Samuel ChristenDepartment of Hand and Plastic Surgery, Inselspital Bern, University of Bern, Bern, Switzerland.
Adriaan Ockert GrobbelaarDepartment of Hand and Plastic Surgery, Inselspital Bern, University of Bern, Bern, Switzerland.
Esther VögelinDepartment of Hand and Plastic Surgery, Inselspital Bern, University of Bern, Bern, Switzerland.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Purpose: This study hypothesized that ratios of sonographic cross-sectional areas (CSAs) throughout the median nerve provide a more reliable tool for diagnosing carpal tunnel syndrome (CTS) than a single CSA value. We first tested this hypothesis in a retrospective cohort and subsequently confirmed it in a prospective blinded case-control series. Methods: Seventy patients were included in the retrospective study, and 50 patients and matched controls were included for the prospective study. We evaluated 4 CSAs, at the forearm, inlet, tunnel, outlet, and their ratios (R Results: The Boston and Disabilities of the Arm, Shoulder, and Hand scores showed worse subjective function in patients with CTS than in controls. Three ultrasonography parameters (CSAs at the inlet, R Conclusions: The 3 CSA measurements of the median nerve and the associated ratios improved diagnostic power for ultrasonography in CTS in our study. Type of study/level of evidence: Diagnostic I.

Indexed as

Carpal tunnel syndromeCross-sectional areaMedian nerve compressionRatioUltrasound

Identifiers

PMID37323978
PMCPMC10264845

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