Clinical Science and Services, The Royal Veterinary College, Hawkshead Lane, Hatfield, UK.
Clinical Science and Services, The Royal Veterinary College, Hawkshead Lane, Hatfield, UK.
Vet Anaesth Analg. 2024 Jan;51(1):1-9. doi: 10.1016/j.vaa.2023.08.007. Epub 2023 Aug 16.
To evaluate the agreement between noninvasive arterial blood pressure (NIBP) measured from the tongue and thoracic limb with invasive blood pressure (IBP), and to compare NIBP measured from the tongue and thoracic limb in anaesthetized horses.
Prospective clinical study.
A group of eight client-owned healthy horses anaesthetized for scheduled procedures, American Society of Anesthesiologists classification I-II, weighing (mean ± standard deviation) 498 ± 91 kg and aged 7.8 ± 6.75 years.
Animals were premedicated with intravenous (IV) romifidine (0.04-0.08 mg kg) and methadone (0.1 mg kg). General anaesthesia was induced IV with ketamine (2.5 mg kg) and midazolam (0.05 mg kg) and maintained with isoflurane. The facial artery was catheterized for IBP measurements. Systolic (SAP), mean (MAP) and diastolic (DAP) arterial pressures were recorded from the NIBP, NIBP and IBP every 20 minutes during the procedure. Agreement between NIBP and IBP was evaluated based on the American College of Veterinary Internal Medicine criteria and American Association for Medical Instrumentation criteria using the Bland-Altman method.
The mean bias and precision between IBP and NIBP measured from the tongue met the standards for all pressure ranges (< 10 mmHg and < 15 mmHg, respectively). NIBP measurements from the tongue and thoracic limb tended to underestimate IBP measurements. During hypotension, MAP and DAP overestimated IBP, but both precision and accuracy met the criteria. The overall accuracy and precision of NIBP was poorer than NIBP. The percentage of NIBP that differed from IBP by < 10 mmHg was higher than that recorded with NIBP for SAP (46% versus 25%), MAP (77% versus 28%) and DAP (79% versus 19%).
The tongue is a clinically suitable alternative for assessing arterial blood pressure compared with the thoracic limb and can reliably detect hypotension in healthy anaesthetized horses.
评估从舌部和胸肢测量的无创动脉血压（NIBP）与有创血压（IBP）之间的一致性，并比较麻醉马中从舌部和胸肢测量的 NIBP。
前瞻性临床研究。
一组 8 头由客户拥有的健康马，麻醉用于预定程序，美国麻醉师协会分类 I-II，体重（平均值±标准差）498±91kg，年龄 7.8±6.75 岁。
动物接受静脉（IV）罗米非啶（0.04-0.08mg/kg）和美沙酮（0.1mg/kg）预处理。全身麻醉通过 IV 给予氯胺酮（2.5mg/kg）和咪达唑仑（0.05mg/kg）诱导，并通过异氟烷维持。股动脉进行导管插入术以测量 IBP。在手术过程中，每 20 分钟从 NIBP、NIBP 和 IBP 记录收缩压（SAP）、平均动脉压（MAP）和舒张压（DAP）。根据美国兽医内科协会和美国医疗器械协会的标准，使用 Bland-Altman 方法评估 NIBP 与 IBP 的一致性。
在所有压力范围内（分别为<10mmHg 和<15mmHg），舌部测量的 IBP 和 NIBP 的平均偏差和精度符合标准。舌部和胸肢测量的 NIBP 倾向于低估 IBP。在低血压时，MAP 和 DAP 高估了 IBP，但精度和准确性均符合标准。NIBP 的整体精度和准确性均不如 NIBP。与 NIBP 相比，NIBP 差异<10mmHg 的百分比更高，SAP（46%比 25%）、MAP（77%比 28%）和 DAP（79%比 19%）记录的百分比更高。
与胸肢相比，舌部是评估动脉血压的临床合适替代方法，可可靠地检测健康麻醉马的低血压。
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