Evidence map›Paper›PMID 35193843›Full record

ArticleThe journal of international advanced otology2022

Esterified Hyaluronic Acid Placed in the Middle Ear Does Not Improve Outcomes in Cholesteatoma Surgery.

Colin Gerald Leonard, Florence Mok, Adrian L James

Open access · diamondAbstract read
In one paragraph

Article in The journal of international advanced otology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
0.4field-weighted citation impact, top 44% of its field
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

2 citing papers in PubMed, 2 citations in OpenAlex.

  1. Article
  2. Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

3 authors at 1 institution in 1 country.

Colin Gerald LeonardDepartment of Otolaryngology, Head and Neck Surgery, The Hospital for Sick Children, Ontario, Canada.
Florence MokDepartment of Otolaryngology, Head and Neck Surgery, The Hospital for Sick Children, Ontario, Canada.
Adrian L JamesDepartment of Otolaryngology, Head and Neck Surgery, The Hospital for Sick Children, Ontario, Canada.
Hospital for Sick Children · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe aim of this article is to assess the efficacy of esterified hyaluronic acid as a barrier to formation of adhesions and improvement of tympanomastoid ventilation.

methodsA prospective cohort analysis was performed at a tertiary referral centre. 126 ears were analysed in children with cholesteatoma. Esterified hyaluronic acid was placed on the promontory of 63 ears at primary canal wall intact surgery for cholesteatoma. No esterified hyaluronic acid was used in 63 control ears. Cholesteatoma recurrence, histopathological analysis of scar tissue following second-stage procedure, and middle ear pressure were the main outcome measures.

resultsAt 5 years, esterified hyaluronic acid (7%) and non-esterified hyaluronic acid (10%) did not differ in cholesteatoma recurrence (Kaplan- Meier log rank analysis, P=.52). Esterified hyaluronic acid (n=11) and non-esterified hyaluronic acid (n=2) ears formed scar at the site of packing material (n=11) (Fisher's exact test, P=.04). Foamy histiocytes/macrophages were found in esterified hyaluronic acid (n=15) and non-esterified hyaluronic acid ears (n=1) (Fisher's exact test, P-125 daPa) in 44% (14/32) esterified hyaluronic acid ears and 42% (15/36) non-esterified hyaluronic acid ears (P=1.0, Fisher's exact test).

conclusionsWe have discontinued the use of esterified hyaluronic acid in cholesteatoma surgery due to lack of detectable benefit. Esterified hyaluronic acid in the middle ear neither reduces cholesteatoma recurrence nor appears to improve the ventilation of the middle ear. Furthermore, esterified hyaluronic acid alters the inflammatory process within the middle ear, the significance of which remains unclear.

Indexed as

Cholesteatoma, Middle EarHyaluronic AcidChildCohort StudiesEar, MiddleHumansProspective StudiesRetrospective StudiesTreatment OutcomeTympanoplastyHyaluronic Acid

Identifiers

PMID35193843
PMCPMC9450287
OpenAlexW4210614513

What OpenQuestion holds

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LicenceCC BY-NC
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Registered trials

None linked

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.