Evidence map›Paper›PMID 41109947›Full record

ArticleVeterinary surgery : VS2026

Comparison of short- and long-term objective respiratory outcomes after surgery for brachycephalic obstructive airway syndrome.

Daisy A Johnson, Nai-Chieh Liu, Jane F Ladlow

Abstract readComparative Study
In one paragraph

Article in Veterinary surgery : VS, 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

3 authors.

Daisy A JohnsonSmall Animal Teaching Hospital, University of Liverpool, Neston, UK.ORCID https://orcid.org/0009-0004-9336-7887
Nai-Chieh LiuSchool of Veterinary Medicine, Institute of Veterinary Clinical Science, National Taiwan University, Taipei, Taiwan.ORCID https://orcid.org/0000-0002-1919-1412
Jane F LadlowGranta Veterinary Specialists, Cambridge, UK.ORCID https://orcid.org/0000-0002-8076-4021

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesTo report and compare short- and long-term outcomes in dogs following surgery for brachycephalic obstructive airway syndrome (BOAS). STUDY

designLongitudinal cohort study. SAMPLE POPULATION: Client owned dogs (n = 32).

methodsDogs that underwent BOAS surgery before 2019 with preoperative and short-term postoperative assessments were recruited for long-term follow up to obtain respiratory functional grades (RFG) and BOAS indices. Dogs that underwent a second airway surgery (33 of 117) were excluded. Comparisons of BOAS indices and RFGs among preoperative, short-term, and long-term postoperative time points were performed using Friedman's tests and post hoc Wilcoxon signed rank tests with Bonferroni corrections.

resultsThere were 32 of 117 dogs available for long-term assessment. Median long-term postoperative assessments occurred at 1645 days after surgery (range 1208-2927 days). Long-term postoperative RFG and BOAS index values were improved compared with preoperative values. There was no difference between short-term and long-term postoperative assessments (p > .999 for RFG values, and p = .623 for BOAS index values). Owners reported a high degree of satisfaction with surgery: 55% believed their dogs no longer had breathing problems (long-term BOAS index 50.8 ± 17.6%) and 39% believed their dog still had breathing problems (long-term BOAS index 48.9 ± 20.5%).

conclusionImprovements in RFG and BOAS Indices seen following surgery were maintained over time. CLINICAL SIGNIFICANCE: This is the first study with clinician-assessed objective long-term respiratory outcomes of BOAS surgery. The long-term improvements in RFG and BOAS indices support the long-term clinical benefit and durability of surgical intervention for BOAS.

Indexed as

Airway ObstructionCraniosynostosesDog DiseasesAnimalsCohort StudiesDogsFemaleLongitudinal StudiesMaleTreatment Outcome

Identifiers

PMID41109947
PMCPMC12810434

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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.