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Objectives: To determine the influence of several factors on respiratory system compliance in volume-controlled mechanically ventilated healthy anaesthetised dogs.

Materials and Methods: Review of 100 dogs anaesthetised for elective surgeries between 2015 and 2016. Dogs were mechanically ventilated with a respiratory rate adjusted to maintain normocapnia and a fraction of inspired oxygen of 50%. Body weight, body condition score, age, thoracic shape, time in spontaneous ventilation before volume-controlled ventilation, time with a fraction of inspired oxygen of 100% until starting mechanical ventilation, type of surgery and patient position were recorded. Respiratory system compliance, expressed per kg of bodyweight, was recorded every 15 minutes following initiation of volume-controlled ventilation.

Results: Baseline respiratory system compliance was 1.3 ± 0.3 mL/cmH 2 O/kg and was reduced by high body condition score and barrel-shaped thorax but not by age, type of surgery or patient position, time in spontaneous ventilation nor time with a fraction of inspired oxygen of 100%.

Clinical Significance: Respiratory system compliance is lower in overweight and barrel-chested dogs and should be taken into account during monitoring of lung function and ventilation management under general anaesthesia.

Titel:	Factors affecting respiratory system compliance in anaesthetised mechanically ventilated healthy dogs: a retrospective study.
Autor/in / Beteiligte Person:	Asorey, I ; Pellegrini, L ; Canfrán, S ; Ortiz-Díez, G ; Aguado, D
Link:	Full Text Finder (Volltext)
Zeitschrift:	The Journal of small animal practice, Jg. 61 (2020-10-01), Heft 10, S. 617-623
Veröffentlichung:	Oxford : Blackwell Scientific Publications, 2020
Medientyp:	academicJournal
ISSN:	1748-5827 (electronic)
DOI:	10.1111/jsap.13194
Schlagwort:	Anesthesia, General veterinary Animals Dogs Oxygen Retrospective Studies Respiration, Artificial veterinary Respiratory System
Sonstiges:	Nachgewiesen in: MEDLINE Sprachen: English Publication Type: Journal Article Language: English [J Small Anim Pract] 2020 Oct; Vol. 61 (10), pp. 617-623. <i>Date of Electronic Publication: </i>2020 Jul 26. MeSH Terms: Respiration, Artificial* / veterinary ; Respiratory System* ; Anesthesia, General / veterinary ; Animals ; Dogs ; Oxygen ; Retrospective Studies References: Bach, J. F., Rozanski, E. A., Bedenice, D., et al. (2007) Association of expiratory airway dysfunction with marked obesity in healthy adult dogs. American Journal of Veterinary Research 68, 670-675. ; Bradbrook, C. A., Clark, L., Dugdale, A. H., et al. (2013) Measurement of respiratory system compliance and respiratory system resistance in healthy dogs undergoing general anaesthesia for elective orthopaedic procedures. Veterinary Anaesthesia and Analgesia 40, 382-389. ; Brismar, B., Hedenstierna, G., Lundquist, H., et al. 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Substance Nomenclature: S88TT14065 (Oxygen) Entry Date(s): Date Created: 20200728 Date Completed: 20201026 Latest Revision: 20201026 Update Code: 20240513

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Factors affecting respiratory system compliance in anaesthetised mechanically ventilated healthy dogs: a retrospective study.