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Gastric ultrasound performance time and difficulty: a prospective observational study
Anaesthesia ( IF 7.5 ) Pub Date : 2024-11-15 , DOI: 10.1111/anae.16472
Mark G. Filipovic, Sascha J. Baettig, Monika Hebeisen, Roman Meierhans, Michael T. Ganter

SummaryIntroductionPoint‐of‐care gastric ultrasound is an emerging tool in peri‐operative practice. However, data on the technical challenges of gastric ultrasound, which are essential for optimised training, remain scarce. We analysed gastric ultrasound examinations performed after basic training to identify factors associated with difficulty.MethodsThis was an analysis of data from a prospective observational study evaluating the potential impact of routine pre‐operative gastric ultrasound on peri‐operative management in adult patients undergoing elective or emergency surgery at a single centre. Before initiation, physicians received extensive structured training with at least 30 supervised gastric sonograms before independent practice. We then used regression models to identify factors associated with deviation from a predefined sonography algorithm, performance time and scan difficulty.ResultsSeventy‐three trained physicians performed 2003 ultrasound scans. Median (IQR [range]) performance time was 5 (4–6 [1–20]) min, which was achieved after 20–27 scans following structured training. Patient characteristics associated with more difficult and longer duration scans were: increase in BMI per 5 kg.m‐2 (odds ratio (95%CI) 1.57 (1.35–1.83), p < 0.001 for difficulty and percentage change coefficient (95%CI) 1.03 (1.02–1.05), p < 0.001 for duration); and male sex (odds ratio (95%CI) 3.31 (2.28–4.88), p < 0.001 for difficulty and percentage change coefficient (95%CI) 1.08 (1.04–1.12), p < 0.001, for duration). Trauma surgery (odds ratio (95%CI) 3.26 (1.88–5.68), p < 0.001), ASA physical status of 3 or 4 (odds ratio (95%CI) 1.86 (1.21–2.88), p = 0.0049) and emergency surgery (odds ratio (95%CI) 1.86 (1.20–2.89), p = 0.006) were associated with deviation from the predefined sonography algorithm.DiscussionApproximately 50 scans are required to achieve a baseline performance of 5 min per gastric ultrasound. Future training programmes should focus on patients with obesity, male sex, higher ASA physical status and trauma.

中文翻译:


胃超声手术时间和难度:一项前瞻性观察研究



摘要简介床旁胃超声是围手术期实践中的一种新兴工具。然而,关于胃超声技术挑战的数据仍然稀缺,而这些挑战对于优化训练至关重要。我们分析了基础训练后进行的胃超声检查,以确定与困难相关的因素。方法这是对一项前瞻性观察性研究数据的分析,该研究评估了常规术前胃超声对在单个中心接受择期或急诊手术的成年患者围手术期管理的潜在影响。在开始之前,医生在独立执业前接受了广泛的结构化培训,至少有 30 张有监督的胃超声图。然后,我们使用回归模型来确定与预定义超声检查算法的偏差、执行时间和扫描难度相关的因素。结果73 名训练有素的医生进行了 2003 次超声扫描。中位 (IQR [range]) 性能时间为 5 (4-6 [1-20])分钟,这是在结构化训练后 20-27 次扫描后实现的。与更困难和持续时间更长的扫描相关的患者特征是:每 5 kg.m‐2 的 BMI 增加(比值比 (95%CI) 1.57 (1.35-1.83),困难 p < 0.001 和百分比变化系数 (95%CI) 1.03 (1.02-1.05),持续时间 p < 0.001);和男性 (比值比 (95%CI) 3.31 (2.28–4.88),难度 p < 0.001 和百分比变化系数 (95%CI) 1.08 (1.04–1.12),p < 0.001,持续时间)。创伤手术 (比值比 (95%CI) 3.26 (1.88–5.68),p < 0.001),ASA 身体状况为 3 或 4 (比值比 (95%CI) 1.86 (1.21–2.88),p = 0.0049)和急诊手术 (比值比 (95%CI) 1.86 (1.20–2.89),p = 0。006) 与预定义的超声检查算法的偏差有关。讨论大约需要 50 次扫描才能达到每次胃超声 5 分钟的基线性能。未来的训练计划应侧重于肥胖、男性、ASA 较高身体状况和创伤的患者。
更新日期:2024-11-15
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