A first step towards objective grading of equine laryngeal function

IF 2.3 2区农林科学 Q1 VETERINARY SCIENCES

Veterinary journal Pub Date : 2024-10-26 DOI:10.1016/j.tvjl.2024.106259

Josephine Hardwick , Benjamin Ahern , Samantha Franklin

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引用次数: 0

Abstract

Due to concerns about disagreement between veterinarians when grading resting laryngeal function (LF), a diagnostic decision tree (DDT) has been developed by codifying the Havemeyer grading system and objectively defining certain terms to remove ambiguity. Videoendoscopic examinations of the equine larynx that had previously been assigned a unanimous LF grade by 3 experienced observers were used to develop the DDT and determine the cut-off values.

The DDT is a flow chart consisting of a series of dichotomous (yes/no) decisions, to dictate the order of decision making and direct the observer down a pathway towards the most appropriate LF grade. To use the DDT, the observer must know the frame rate of the video and use frame-by-frame video playback when reviewing the videos. The first decision involves determining if full left arytenoid cartilage (LAC) abduction is achieved (≤ grade III.1), or not achieved (> grade III.1). Maintained full LAC abduction (≤ grade II.2) is defined as maintenance of full abduction for ≥ 0.2 seconds. Full LAC abduction that is achieved but not maintained (grade III.1) is defined as maintenance of full abduction for < 0.2 seconds. Arytenoid abductor deficit is categorized into left arytenoid abduction ≥45° from vertical midline (grade III.2) and <45° abduction (grade III.3). The DDT could be used as a first step towards computer assisted laryngeal function grading.

查看原文本刊更多论文

马喉功能客观分级的第一步。

由于兽医在对静息喉功能（LF）进行分级时存在分歧，因此我们开发了一种诊断决策树（DDT），将哈夫迈耶分级系统编成法典，并对某些术语进行客观定义，以消除歧义。在开发 DDT 和确定临界值时，使用了之前由 3 名经验丰富的观察者一致评定为 LF 等级的马喉视频内窥镜检查。DDT 是由一系列二分法（是/否）决策组成的流程图，用于规定决策的顺序，并引导观察者选择最合适的 LF 等级。要使用 DDT，观察者必须知道视频的帧频，并在审查视频时使用逐帧视频回放。首先要确定左侧杓状软骨（LAC）是否完全外展（≤ III.1级）或未完全外展（> III.1级）。维持左杓状软骨完全内收（≤ II.2级）的定义是维持完全内收≥0.2秒。达到但不能维持完全外展（III.1 级）是指维持完全外展的时间< 0.2 秒。杓状肌内收功能缺损分为左杓状肌内收距离垂直中线≥45°（III.2 级）和左杓状肌内收距离垂直中线≥45°（III.3 级）。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Veterinary journal 农林科学-兽医学

CiteScore

4.10

自引率

4.50%

发文量

审稿时长

40 days

期刊介绍： The Veterinary Journal (established 1875) publishes worldwide contributions on all aspects of veterinary science and its related subjects. It provides regular book reviews and a short communications section. The journal regularly commissions topical reviews and commentaries on features of major importance. Research areas include infectious diseases, applied biochemistry, parasitology, endocrinology, microbiology, immunology, pathology, pharmacology, physiology, molecular biology, immunogenetics, surgery, ophthalmology, dermatology and oncology.