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The influence of hypoxaemia, hypotension and hypercapnia (among other factors) on quality of recovery from general anaesthesia in horses.
Meier, Merit; Kazmir-Lysak, Kristina; Kälin, Isabel; Torgerson, Paul R; Ringer, Simone K.
Afiliación
  • Meier M; Department of Clinical Diagnostics and Services, Section of Anaesthesiology, Vetsuisse Faculty, University of Zürich, Zürich, Switzerland.
  • Kazmir-Lysak K; Department of Clinical Diagnostics and Services, Section of Anaesthesiology, Vetsuisse Faculty, University of Zürich, Zürich, Switzerland.
  • Kälin I; Department of Clinical Diagnostics and Services, Section of Anaesthesiology, Vetsuisse Faculty, University of Zürich, Zürich, Switzerland.
  • Torgerson PR; Section of Epidemiology, Vetsuisse Faculty, University of Zürich, Zürich, Switzerland.
  • Ringer SK; Department of Clinical Diagnostics and Services, Section of Anaesthesiology, Vetsuisse Faculty, University of Zürich, Zürich, Switzerland. Electronic address: sringer@vetclinics.uzh.ch.
Vet Anaesth Analg ; 51(2): 135-143, 2024.
Article en En | MEDLINE | ID: mdl-38331674
ABSTRACT

OBJECTIVE:

To investigate the effect of hypoxaemia, hypotension and hypercapnia, among others, on quality of recovery from general anaesthesia in horses. STUDY

DESIGN:

Retrospective, single-centre study. ANIMALS A sample of 1226 horses that underwent general anaesthesia between June 2017 and June 2021.

METHODS:

Horses and ponies weighing > 200 kg, aged > 6 months, anaesthetized using a xylazine- or medetomidine-isoflurane balanced anaesthesia protocol and presenting a complete anaesthetic record were included. Data were extracted from the clinic record system and from the original anaesthesia records. Recoveries were divided into 'good' and 'bad' based on the available recovery scores. Influence of hypoxaemia [PaO2 < 60 mmHg (7.99 kPa)], hypotension (mean arterial pressure < 70 mmHg for at least 15 minutes) and hypercapnia [PaCO2 > 60 mmHg (7.99 kPa)], anaesthesia protocol, body weight, age, breed, sex, American Society of Anesthesiologists status, type of procedure, emergency or nonemergency, duration of anaesthesia, positioning, times spent in lateral and sternal recumbency during recovery, time until standing and nonassisted or assisted recovery on the assigned recovery score (good/bad) were investigated using generalized linear regression analysis (p < 0.05).

RESULTS:

Hypoxaemia and prolonged duration of anaesthesia were significantly associated with a bad recovery score. No other factors had a significant influence on recovery quality. CONCLUSION AND CLINICAL RELEVANCE Hypoxaemia and prolonged anaesthesia duration have a negative effect on quality of anaesthetic recovery in horses. Clinically, this highlights the importance of keeping anaesthetic time as short as possible and to monitor oxygenation and treat hypoxaemia as soon as possible.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Enfermedades de los Caballos / Hipotensión / Anestésicos Tipo de estudio: Guideline Límite: Animals Idioma: En Revista: Vet Anaesth Analg Asunto de la revista: ANESTESIOLOGIA / MEDICINA VETERINARIA Año: 2024 Tipo del documento: Article País de afiliación: Suiza Pais de publicación: Estados Unidos
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Enfermedades de los Caballos / Hipotensión / Anestésicos Tipo de estudio: Guideline Límite: Animals Idioma: En Revista: Vet Anaesth Analg Asunto de la revista: ANESTESIOLOGIA / MEDICINA VETERINARIA Año: 2024 Tipo del documento: Article País de afiliación: Suiza Pais de publicación: Estados Unidos