Use of continuous positive airway pressure in the acute management of laryngeal paralysis in a cat

Ticehurst, K; Zaki, Sanaa; Hunt, Geraldine B; Macpherson, C; Nicholson, Helen

doi:10.1111/j.1751-0813.2008.00350.x

Cited by 6 publications

(4 citation statements)

References 8 publications

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“…The use of low levels of CPAP was described to treat acute upper airway obstruction successfully in a cat recovering from general anaesthesia. 15 Compared with the face mask, the helmet CPAP device is characterised by a greater tolerability in children and newborns. 16 The helmet creates a sealing at the level of the neck, making it more versatile and adjustable to the different head and face conformations of veterinary species.…”

Section: Introductionmentioning

confidence: 99%

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Effects of continuous positive airway pressure administered by a helmet in cats under general anaesthesia

Bella

Araos

Lacitignola

et al. 2020

Journal of Feline Medicine and Surgery

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Objectives The aim of this study was to evaluate the respiratory effects of non-invasive continuous positive airway pressure (CPAP) administered by a helmet in healthy cats under anaesthesia. Methods Fifteen healthy male cats scheduled for castration were anaesthetised with medetomidine (20 µg/kg), ketamine (10 mg/kg) and buprenorphine (20 µg/kg) intramuscularly. When an adequate level of anaesthesia was achieved, a paediatric helmet was placed on all subjects. The helmet was connected to a Venturi valve supplied with medical air and cats received the following phases of treatments: 0 cmH2O (pre-CPAP), 5 cmH2O (CPAP) and 0 cmH2O (post-CPAP). Each treatment lasted 10 mins. At the end of each phase an arterial blood sample was drawn. The following data were also collected: mean arterial pressure, respiratory rate, heart rate and the anaesthesia level score (0 = awake, 10 = deep anaesthesia). The alveolar to arterial O2 gradient (P[A-a]O2) and the venous admixture (Fshunt) were also estimated. Data were analysed with two-way ANOVA ( P <0.05). Results The arterial partial pressure of oxygen was higher ( P <0.001) at CPAP (103.2 ± 5.1 mmHg) vs pre-CPAP (77.5 ± 7.4 mmHg) and post-CPAP (84.6 ± 8.1 mmHg). The P(A-a)O2 and the Fshunt were lower ( P <0.001) at CPAP (4.4 ± 2.3 mmHg; 7.4 ± 3.1%) vs pre-CPAP (18.9 ± 6.4 mmHg; 22.8 ± 4.6%) and post-CPAP (15.6 ± 7.3 mmHg; 20.9 ± 4.6 %). No other parameters differed between groups. Conclusions and relevance Non-invasive CPAP applied by a helmet improves oxygenation in cats under injectable general anaesthesia.

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Section: Introductionmentioning

confidence: 99%

“…The use of low levels of CPAP was described to treat acute upper airway obstruction successfully in a cat recovering from general anaesthesia. 15…”

Section: Introductionmentioning

confidence: 99%

Effects of continuous positive airway pressure administered by a helmet in cats under general anaesthesia

Bella

Araos

Lacitignola

et al. 2020

Journal of Feline Medicine and Surgery

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“…It has not been widely used in animals. This case report 7 concerns a brachycephalic Persian cat with previously undiagnosed laryngeal paralysis that developed acute upper respiratory tract obstruction on recovery from anaesthesia. Visualisation of the larynx at the time showed adduction of both vocal folds and the airway closed almost completely during inspiration.…”

Section: Small Animalsmentioning

confidence: 99%

In this issue

Jackson¹

2008

Aust Veterinary J

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In this issue Original articles Small animalsAsymmetrical focal neurological deficits in dogs and cats with naturally occurring tick paralysis (Ixodes holocyclus): 27 cases (1999)(2000)(2001)(2002)(2003)(2004)(2005)(2006) . In this retrospective study, 1 computer records were reviewed to assess the asymmetrical focal neurological deficits in all dogs and cats treated for tick paralysis ( Ixodes holocyclus ) over a 7-year period at a veterinary hospital in Newcastle, New South Wales. Neurological deficits were identified in 17 of 197 dogs and 10 of 89 cats.Deficits were not associated with season, severity of tick paralysis, breed, age, sex or body weight. Ticks were significantly more likely to be on the head of dogs and on the flank or back of cats, but other locations were similar between species.

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“…The clinical use of CPAP in veterinary patients is effective in providing a known level of PEEP and improving oxygenation. However, its use is currently limited by the need for sedation or anesthesia for the interface to be tolerated in some patients and the high oxygen flow requirement to maintain PEEP ( 13 , 15 ).…”

Section: Introductionmentioning

confidence: 99%

Clinical review of high-flow nasal oxygen therapy in human and veterinary patients

Whitney¹,

Keir²

2023

Front. Vet. Sci.

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Oxygen therapy is the first-line treatment for hypoxemic acute respiratory failure. In veterinary medicine this has traditionally been provided via mask, low-flow nasal oxygen cannulas, oxygen cages and invasive positive pressure ventilation. Traditional non-invasive modalities are limited by the maximum flow rate and fraction of inspired oxygen (FiO2) that can be delivered, variability in oxygen delivery and patient compliance. The invasive techniques are able to provide higher FiO2 in a more predictable manner but are limited by sedation/anesthesia requirements, potential complications and cost. High-flow nasal oxygen therapy (HFNOT) represents an alternative to conventional oxygen therapy. This modality delivers heated and humidified medical gas at adjustable flow rates, up to 60 L/min, and FiO2, up to 100%, via nasal cannulas. It has been proposed that HFNOT improves pulmonary mechanics and reduces respiratory fatigue via reduction of anatomical dead space, provision of low-level positive end-expiratory pressure (PEEP), provision of constant FiO2 at rates corresponding to patient requirements and through improved patient tolerance. Investigations into the use of HFNOT in veterinary patients have increased in frequency since its clinical use was first reported in dogs with acute respiratory failure in 2016. Current indications in dogs include acute respiratory failure associated with pulmonary parenchymal disease, upper airway obstruction and carbon monoxide intoxication. The use of HFNOT has also been advocated in certain conditions in cats and foals. HFNOT is also being used with increasing frequency in the treatment of a widening range of conditions in humans. Although there remains conflict regarding its use and efficacy in some patient groups, overall these reports indicate that HFNOT decreases breathing frequency and work of breathing and reduces the need for escalation of respiratory support. In addition, they provide insight into potential future veterinary applications. Complications of HFNOT have been rarely reported in humans and animals. These are usually self-limiting and typically result in lower morbidity and mortality than those associated with invasive ventilation techniques.

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Use of continuous positive airway pressure in the acute management of laryngeal paralysis in a cat

Cited by 6 publications

References 8 publications

Effects of continuous positive airway pressure administered by a helmet in cats under general anaesthesia

Effects of continuous positive airway pressure administered by a helmet in cats under general anaesthesia

In this issue

Clinical review of high-flow nasal oxygen therapy in human and veterinary patients

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