Evidence map›Paper›PMID 41545870›Full record

ArticleBMC surgery2026

Manual reduction in minimally invasive management of obturator hernia: a retrospective study.

Yusuke Gokon, Ryoyu Niikuni, Yasunari Sawada, Koko Matsukawa, Satoshi Honda, Wataru Kijima, Koki Tago, Suguru Nagano, Takuro Yamauchi, Hodaka Tayama and 8 more

Abstract read
PubMed Full text at PMC Publisher
In one paragraph

Article 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

18 authors.

Yusuke GokonDepartment of Surgery, Japanese Red Cross Ishinomaki Hospital, 71 Nishimichishita, Hebita, Ishinomaki, Miyagi, 986-0861, Japan. yusukegokon@tohoku.ac.jp.
Ryoyu NiikuniDepartment of Surgery, Japanese Red Cross Ishinomaki Hospital, 71 Nishimichishita, Hebita, Ishinomaki, Miyagi, 986-0861, Japan.
Yasunari SawadaDepartment of Surgery, Japanese Red Cross Ishinomaki Hospital, 71 Nishimichishita, Hebita, Ishinomaki, Miyagi, 986-0861, Japan.
Koko MatsukawaDepartment of Surgery, Japanese Red Cross Ishinomaki Hospital, 71 Nishimichishita, Hebita, Ishinomaki, Miyagi, 986-0861, Japan.
Satoshi HondaDepartment of Surgery, Japanese Red Cross Ishinomaki Hospital, 71 Nishimichishita, Hebita, Ishinomaki, Miyagi, 986-0861, Japan.
Wataru KijimaDepartment of Surgery, Japanese Red Cross Ishinomaki Hospital, 71 Nishimichishita, Hebita, Ishinomaki, Miyagi, 986-0861, Japan.
Koki TagoDepartment of Surgery, Japanese Red Cross Ishinomaki Hospital, 71 Nishimichishita, Hebita, Ishinomaki, Miyagi, 986-0861, Japan.
Suguru NaganoDepartment of Surgery, Japanese Red Cross Ishinomaki Hospital, 71 Nishimichishita, Hebita, Ishinomaki, Miyagi, 986-0861, Japan.
Takuro YamauchiDepartment of Surgery, Japanese Red Cross Ishinomaki Hospital, 71 Nishimichishita, Hebita, Ishinomaki, Miyagi, 986-0861, Japan.
Hodaka TayamaDepartment of Surgery, Japanese Red Cross Ishinomaki Hospital, 71 Nishimichishita, Hebita, Ishinomaki, Miyagi, 986-0861, Japan.
Keiichi ShirasakiDepartment of Surgery, Japanese Red Cross Ishinomaki Hospital, 71 Nishimichishita, Hebita, Ishinomaki, Miyagi, 986-0861, Japan.
Kenji ShimizuDepartment of Surgery, Japanese Red Cross Ishinomaki Hospital, 71 Nishimichishita, Hebita, Ishinomaki, Miyagi, 986-0861, Japan.
Jin TeshimaDepartment of Surgery, Japanese Red Cross Ishinomaki Hospital, 71 Nishimichishita, Hebita, Ishinomaki, Miyagi, 986-0861, Japan.
Fukashi SerizawaDepartment of Surgery, Japanese Red Cross Ishinomaki Hospital, 71 Nishimichishita, Hebita, Ishinomaki, Miyagi, 986-0861, Japan.
Yuki SekineDepartment of Surgery, Japanese Red Cross Ishinomaki Hospital, 71 Nishimichishita, Hebita, Ishinomaki, Miyagi, 986-0861, Japan.
Koji FukaseDepartment of Surgery, Japanese Red Cross Ishinomaki Hospital, 71 Nishimichishita, Hebita, Ishinomaki, Miyagi, 986-0861, Japan.
Masato OharaDepartment of Surgery, Japanese Red Cross Ishinomaki Hospital, 71 Nishimichishita, Hebita, Ishinomaki, Miyagi, 986-0861, Japan.
Hirofumi IchikawaDepartment of Surgery, Japanese Red Cross Ishinomaki Hospital, 71 Nishimichishita, Hebita, Ishinomaki, Miyagi, 986-0861, Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundIncarcerated obturator hernias, rare but serious, often require emergency surgery in elderly patients having poor health. In recent years, several studies have reported that manual reduction under imaging guidance may facilitate less invasive, elective laparoscopic repair. However, the clinical significance of successful manual reduction in terms of surgical strategy and postoperative outcomes remains unclear.

methodsWe retrospectively reviewed 35 incarcerated obturator hernia cases treated at our institution between 2016 and 2025. Ultrasound-guided manual reduction was attempted in all cases. The success of reduction was confirmed using post-reduction computed tomography (CT) imaging. Patients were then classified into two groups: the reduction success group (n = 14) and the failure group (n = 21). We compared the patients’ backgrounds, surgical approaches, bowel resections, mesh usage, and postoperative outcomes between the groups.

resultsLaparoscopic repair was more frequent in success group (43% vs. 5%, P = 0.04). Bowel resection was not required for success group patients but was necessitated in 53% of failure group patients (P = 0.02). Mesh usage was higher in success group (100% vs. 29%, P = 0.001). No manual reduction-related complications were noted. Severe postoperative complications (Clavien–Dindo ≥ grade III) were more frequent in failure group (29% vs. 0%).

conclusionsUltrasound-guided manual reduction appeared safe in our cohort and was associated with a higher feasibility of elective surgery and laparoscopic mesh repair, with lower rates of bowel resection and severe postoperative complications. Reduction success may serve as a practical marker to guide surgical planning, although causal inference is limited by the retrospective design.

Indexed as

Hernia, ObturatorHerniorrhaphyLaparoscopyAgedAged, 80 and overFemaleHumansMaleRetrospective StudiesSurgical MeshTomography, X-Ray ComputedTreatment OutcomeUltrasonography, InterventionalLaparoscopyManual reductionObturator herniaSurgery

Identifiers

PMID41545870
PMCPMC12892602

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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.