An exploratory study on the effect of rescuer team size on basic and advanced life support technical skills in a high-fidelity simulation of canine cardiopulmonary arrest

IF 1.1 3区农林科学 Q3 VETERINARY SCIENCES Journal of veterinary emergency and critical care Pub Date : 2025-01-20 DOI:10.1111/vec.13445

Sabrina N. Hoehne Dr. med. vet., DACVECC, DECVECC, Julie A. Cary DVM, MS, DACVS, Post Grad Dipl Med Ed, CHSE, Lindsay N. Bailey BS, DVM, Elizabeth B. Davidow DVM, DACVECC, Linda G. Martin DVM, MS, DACVECC, Trey L. DeJong PhD

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Abstract

Objective

To evaluate the effect of rescuer team size on objective skill measures of basic life support (BLS) and advanced life support (ALS) using high-fidelity canine CPR simulation.

Design

Prospective, experimental study.

Setting

Veterinary clinical simulation center.

Subjects

Forty-eight Reassessment Campaign on Veterinary Resuscitation CPR-certified veterinary students.

Measurements and Main Results

Five groups of participants each conducted 3 CPR simulations in configurations of 4, 6, and 8 rescuers. Simulations represented a shock patient declining into asystole, followed by ventricular fibrillation and return of spontaneous circulation. Resuscitation efforts were video-recorded to evaluate BLS and ALS tasks. Mean (±SD) was derived and data were compared among team sizes using ANOVA and Tukey's post hoc analysis. Significance was set at P < 0.05. Among teams of 4, 6, and 8 rescuers, time to first chest compression (13 s [±6], 9 s [±2], 8 s [±4]; P = 0.24) and positive-pressure breath (101 s [±37], 56 s [±15], 67 s [±24]; P = 0.05) were not significantly different. Chest compression (100/min [±5], 108/min [±6], 107/min [±6]; P = 0.12) and ventilatory rates (9/min [±1], respectively, P = 0.52) were not significantly different. Time without chest compressions/total length of CPR was not significantly different (72 s [±16], 61 s [±16], 54 s [±8]; P = 0.15). Capnography and ECG monitoring were used by all teams. Time to first vasopressor administration was significantly different among team sizes (268 s [±70], 164 s [±65], 174 s [±34]; P = 0.04), with vasopressors being most quickly administered by teams of 6 rescuers. Time to electrical defibrillation was not significantly different (486 s [±45], 424 s [±22], 488 s [±181]; P = 0.57). Incorrect ALS interventions occurred in 60%, 0%, and 40% of CPR events in 4, 6, and 8 rescuer teams, respectively.

Conclusions

Although the achievement of BLS tasks was comparable in teams of 4 rescuers, teams of 6 rescuers may be preferable based on differences in the rate of guideline-incompliant treatments and ALS task efficiency. Teams of 8 rescuers were neither more efficient nor more accurate at conducting BLS and ALS tasks.

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在高保真模拟犬心肺骤停中，救援人员队伍规模对基本和高级生命支持技能影响的探索性研究。

目的：采用高保真犬心肺复苏术模拟，评价救援人员队伍规模对基本生命支持（BLS）和高级生命支持（ALS）客观技能指标的影响。设计：前瞻性实验研究。设置：兽医临床模拟中心。对象：48名经心肺复苏术认证的兽医学生。测量结果和主要结果：五组参与者分别在4、6和8名救援人员的配置下进行了3次心肺复苏模拟。模拟模拟了一个休克患者进入无搏停止状态，随后是心室颤动和自然循环的恢复。复苏过程录像，以评估BLS和ALS任务。采用方差分析（ANOVA）和事后分析（Tukey’s post hoc analysis）对团队规模的数据进行比较，得出平均值（±SD）。结论：尽管4名救援者团队在完成BLS任务方面具有可比性，但基于不符合指南的治疗率和ALS任务效率的差异，6名救援者团队可能更可取。8人的救援团队在执行BLS和ALS任务时既没有更高的效率，也没有更准确。

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来源期刊

Journal of veterinary emergency and critical care 农林科学-兽医学

CiteScore

2.50

自引率

15.40%

发文量

121

审稿时长

18-36 weeks

期刊介绍： The Journal of Veterinary Emergency and Critical Care’s primary aim is to advance the international clinical standard of care for emergency/critical care patients of all species. The journal’s content is relevant to specialist and non-specialist veterinarians practicing emergency/critical care medicine. The journal achieves it aims by publishing descriptions of unique presentation or management; retrospective and prospective evaluations of prognosis, novel diagnosis, or therapy; translational basic science studies with clinical relevance; in depth reviews of pertinent topics; topical news and letters; and regular themed issues. The journal is the official publication of the Veterinary Emergency and Critical Care Society, the American College of Veterinary Emergency and Critical Care, the European Veterinary Emergency and Critical Care Society, and the European College of Veterinary Emergency and Critical Care. It is a bimonthly publication with international impact and adheres to currently accepted ethical standards.