Evidence map›Paper›PMID 32926259›Full record

Trial reportHernia : the journal of hernias and abdominal wall surgery2021

Single-blind randomized clinical trial of transinguinal preperitoneal repair using self-expanding mesh patch vs. Lichtenstein repair for adult male patients with primary unilateral inguinal hernia.

K Suwa, S Onda, J Yasuda, S Nakajima, T Okamoto, K Yanaga

Abstract readComparative StudyRandomized Controlled Trial
PubMed Publisher
In one paragraph

Trial report in Hernia : the journal of hernias and abdominal wall surgery, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing 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

4 citing papers in PubMed.

  1. Article
  2. A Call to Change the Nomenclature of "Open" Inguinal Hernia Repair.Journal of abdominal wall surgery : JAWS · 2024
    Article
  3. Article
  4. 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

6 authors.

K SuwaDepartment of Surgery, The Jikei University Daisan Hospital, 4-11-1 Izumihoncho, Komae, Tokyo, 201-8601, Japan. katsuhito0124james007@yahoo.co.jp.ORCID 0000-0001-6754-9135
S OndaDepartment of Surgery, The Jikei University Hospital, 3-25-8 Nishi-shinbashi, Minato-ku, Tokyo, 105-8461, Japan.
J YasudaDepartment of Surgery, The Jikei University Hospital, 3-25-8 Nishi-shinbashi, Minato-ku, Tokyo, 105-8461, Japan.
S NakajimaDepartment of Surgery, The Jikei University Hospital, 3-25-8 Nishi-shinbashi, Minato-ku, Tokyo, 105-8461, Japan.
T OkamotoDepartment of Surgery, The Jikei University Daisan Hospital, 4-11-1 Izumihoncho, Komae, Tokyo, 201-8601, Japan.
K YanagaDepartment of Surgery, The Jikei University Hospital, 3-25-8 Nishi-shinbashi, Minato-ku, Tokyo, 105-8461, Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeThe aim of the study was to compare proportions of chronic postoperative inguinal pain (CPIP) and other surgical outcomes between transinguinal preperitoneal repair with modified Kugel patch (MK) and Lichtenstein repair (LR).

methodsTwo-hundred adult male patients with primary unilateral inguinal hernia were randomized into MK or LR groups. The primary endpoint was CPIP, pain at 6 months after surgery. Secondary outcomes included recurrence rate, incidence of postoperative complications, time until return to activities, inguinal pain and sensory disturbances assessed at 1 week, 1 month, 3, 6, and 12 months after the operation using an 11-point numerical rating scale (NRS). The study was an intention-to-treat analysis.

resultsIn comparison of MK (n = 100) and LR (n = 100) with similar backgrounds, proportions of CPIP were similar (7.2 vs. 11.1%, p = 0.3452). Favorable outcomes for MK were duration of operation (32 vs. 40 min, p < 0.0001), NRS of foreign body sensation at 1 year (0 [0-1] vs. 0 [0-2], p = 0.0067), and NRS of numbness at 1 month (0 [0-1] vs. 0 [0-3], p = 0.0078) after the operation.

conclusionsIn regard to CPIP, the short-term results of MK and LR were similar.

Indexed as

Chronic PainHernia, InguinalPostoperative PainAdultAgedAged, 80 and overHerniorrhaphyHumansMaleMiddle AgedPeritoneumSingle-Blind MethodSurgical MeshTreatment OutcomeYoung AdultChronic painLichtensteinModified kugelRandomized trialTransinguinal preperitoneal repair

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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.