Modern Spirometry Supports Anesthetic Management in Small Animal Clinical Practice: A Case Series

Calice, Ivana; Moens, Yves

doi:10.5326/jaaha-ms-6374

Cited by 2 publications

(2 citation statements)

References 15 publications

(16 reference statements)

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“…Spirometry can be used to monitor continuously airway pressures, flows, and volumes and calculate compliance (C RS ) and resistance (R RS ) of the respiratory system. Its relevance in small animal anaesthesia is documented [1]. The way the Veterinary Anaesthesia and Intensive Care communities use spirometry was not found in the literature.…”

Section: Introductionmentioning

confidence: 99%

A Survey on the Use of Spirometry in Small Animal Anaesthesia and Critical Care

Raillard

Levionnois

Mosing

2022

Animals

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The objective was to document the use of spirometry and ventilation settings in small animal anaesthesia and intensive care through a descriptive, open, online, anonymous survey. The survey was advertised on social media and via email. Participation was voluntary. The google forms platform was used. It consisted of eight sections in English: demographic information, use of spirometry in spontaneously ventilating/mechanically ventilated dogs, need for spirometry, equipment available and calibration status, ventilation modes, spirometry displays, compliance (CRS) and resistance (RRS) of the respiratory system. Simple descriptive analyses were applied. There were 128 respondents. Respondents used spirometry more in ventilated dogs than during spontaneous breathing. Over 3/4 of the respondents considered spirometry essential in “selected” (43%) or “most” cases (33%). Multiple devices and technologies were used. The majority of the respondents were not directly involved in or informed about the calibration of their equipment. Of all displays, pressure-volume loops were the most common. Values of CRS and RRS were specifically monitored in more than 50% of cases by 44% of the respondents only. A variety of ventilation modes was used. Intensivists tend to use smaller VT than anaesthetists. More information on reference intervals of CRS and RRS and technical background on spirometers is required.

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Section: Introductionmentioning

confidence: 99%

A Survey on the Use of Spirometry in Small Animal Anaesthesia and Critical Care

Raillard

Levionnois

Mosing

2022

Animals

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“…Spirometry assesses gas flows, airway pressures and tidal volumes and allows continuous monitoring of respiratory mechanics [ 4 ]. For equine application, only few spirometers have been described.…”

Section: Introductionmentioning

confidence: 99%

Use of Electrical Impedance Tomography (EIT) to Estimate Tidal Volume in Anaesthetized Horses Undergoing Elective Surgery

Crivellari

Raisis

Hosgood

et al. 2021

Animals

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This study explores the application of electric impedance tomography (EIT) to estimate tidal volume (VT) by measuring impedance change per breath (∆Zbreath). Seventeen healthy horses were anaesthetised and mechanically ventilated for elective procedures requiring dorsal recumbency. Spirometric VT (VTSPIRO) and ∆Zbreath were recorded periodically; up to six times throughout anaesthesia. Part 1 assessed these variables at incremental delivered VT of 10, 12 and 15 mL/kg. Part 2 estimated VT (VTEIT) in litres from ∆Zbreath at three additional measurement points using a line of best fit obtained from Part 1. During part 2, VT was adjusted to maintain end-tidal carbon dioxide between 45–55 mmHg. Linear regression determined the correlation between VTSPIRO and ∆Zbreath (part 1). Estimated VTEIT was assessed for agreement with measured VTSPIRO using Bland Altman analysis (part 2). Marked variability in slope and intercepts was observed across horses. Strong positive correlation between ∆Zbreath and VTSPIRO was found in each horse (R2 0.9–0.99). The agreement between VTEIT and VTSPIRO was good with bias (LOA) of 0.26 (−0.36–0.88) L. These results suggest that, in anaesthetised horses, EIT can be used to monitor and estimate VT after establishing the individual relationship between these variables.

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Modern Spirometry Supports Anesthetic Management in Small Animal Clinical Practice: A Case Series

Cited by 2 publications

References 15 publications

A Survey on the Use of Spirometry in Small Animal Anaesthesia and Critical Care

A Survey on the Use of Spirometry in Small Animal Anaesthesia and Critical Care

Use of Electrical Impedance Tomography (EIT) to Estimate Tidal Volume in Anaesthetized Horses Undergoing Elective Surgery

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