Evidence map›Paper›PMID 41491573›Full record

ArticleArthroplasty (London, England)2026

Transverse incisions improve scar outcomes in anterolateral supine approach total hip arthroplasty: a patient observer scar assessment scale-based study.

Yujiro Kuramitsu, Junya Itou, Yutaro Munakata, Ken Okazaki

Abstract read
In one paragraph

Article in Arthroplasty (London, England), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing 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

1 citing paper in PubMed.

  1. Article
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

4 authors.

Yujiro KuramitsuDepartment of Orthopaedic Surgery, Tokyo Women's Medical University, 8-1 Kawada-Cho, Shinjuku, Tokyo, 162-8666, Japan.
Junya ItouDepartment of Orthopaedic Surgery, Tokyo Women's Medical University, 8-1 Kawada-Cho, Shinjuku, Tokyo, 162-8666, Japan. jun718@gmail.com.
Yutaro MunakataDepartment of Orthopaedic Surgery, Tokyo Women's Medical University, 8-1 Kawada-Cho, Shinjuku, Tokyo, 162-8666, Japan.
Ken OkazakiDepartment of Orthopaedic Surgery, Tokyo Women's Medical University, 8-1 Kawada-Cho, Shinjuku, Tokyo, 162-8666, Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThis study compared transverse and longitudinal skin incisions in anterolateral supine (ALS) total hip arthroplasty (THA), focusing on cosmetic and sensory outcomes using the Patient Observer Scar Assessment Scale (POSAS).

methodsA retrospective analysis was conducted on 132 hips that underwent primary ALS THA performed by a single surgeon between 2019 and 2024. Longitudinal incisions were used until December 2022, and transverse incisions aligned with relaxed skin tension lines were used thereafter. POSAS 3.0 was used to evaluate scar quality across satisfaction, appearance, and sensory domains.

resultsBaseline characteristics were similar between groups, except for follow-up duration and incision length. No significant differences were found in POSAS scores. However, regression analysis revealed that transverse incision significantly improved satisfaction (P = 0.04) and appearance (P < 0.05). Sensory scores were significantly affected by follow-up duration (P < 0.001).

conclusionTransverse incisions in ALS THA may enhance cosmetic satisfaction without compromising sensory outcomes. These findings support the potential role of personalized incision planning for improving patient-reported outcomes following THA. Video Abstract.

Indexed as

Anterolateral supine approachLongitudinal incisionPatient observer scar assessment scaleTotal hip arthroplastyTransverse incision

Identifiers

PMID41491573
PMCPMC12771926

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