Influence of music and its genres on respiratory rate and pupil diameter variations in cats under general anaesthesia: contribution to promoting patient safety

Mira, Filipa; Costa, António Aguiar; Mendes, Eva; Azevedo, Pedro; Carreira, L. Miguel

doi:10.1177/1098612x15575778

Cited by 19 publications

(24 citation statements)

References 52 publications

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“…Interestingly, single auditory stimuli can induce a cyclical change in pupil diameter that occurs at about 2 Hz in monkeys and slightly slower in humans ( 81 ). Fluctuations of pupil diameter observed in anesthetized cats ( 86 ) and in humans ( 58 ) have been shown to vary with different types of music, and Kang and Wheatley ( 58 ) were able to predict which of two music clips (one played in either ear) subjects were attending to based on the deconvolution of the subjects’ pupillary responses. Although there were fluctuations in the loudness of each of the dichotically presented music clips in this latter study, the fluctuations in pupil diameter reflected the attended stream, suggesting that, in addition to stimulus salience, pupillary responses are influenced by higher-level cognitive processes such as attention.…”

Section: Discussionmentioning

confidence: 99%

Top-down, contextual entrainment of neuronal oscillations in the auditory thalamocortical circuit

Barczak

O’Connell

McGinnis

et al. 2018

Proc. Natl. Acad. Sci. U.S.A.

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SignificanceOur results indicate that nonhuman primates detect complex repeating acoustic sequences in a continuous auditory stream, which is an important precursor for human speech learning and perception. We demonstrate that oscillatory entrainment, known to support the attentive perception of rhythmic stimulus sequences, can occur for rhythms defined solely by stimulus context rather than physical boundaries. As opposed to acoustically driven entrainment by rhythmic tone sequences demonstrated previously, this form of entrainment relies on the brain’s ability to group auditory inputs based on their statistical regularities. The internally initiated, context-driven modulation of excitability in the medial pulvinar prior to A1 supports the notion of top-down entrainment.

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Section: Discussionmentioning

confidence: 99%

Top-down, contextual entrainment of neuronal oscillations in the auditory thalamocortical circuit

Barczak

O’Connell

McGinnis

et al. 2018

Proc. Natl. Acad. Sci. U.S.A.

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“…The study protocol design was the same as that utilised for the paper previously published by Mira et al 17 that studied 12 female domestic breed Felis catus presented for elective ovariohysterectomy surgery. Signed consent Table 1 Descriptive statistics of heart rate values (bpm) and systolic arterial pressure (mmHg), according to the music genre and surgical time for the sample studied Parameter n Statistics T1 T2 T3 PM CM HM PM CM HM PM CM HM HR 12 CI 35 34 42 43 39 48 35 29 33 max 142 138 145 148 145 156 145 138 146 min 107 104 103 105 106 108 110 109 Data mean ( x ) and dispersion (SD) measures obtained in a 95% confidence interval (CI), presenting the minimum (min) and maximum (max) values in the sample (n) considered HR = heart rate; SBP = systolic blood pressure; T1 = coeliotomy; T2 = ligature placement and transection of the ovarian pedicle; T3 = ligature placement and transection of the uterine body; CM = classical music; HM = heavy metal music; PM = pop music and heavy metal (HM), 'Thunderstruck' by AC/DC.…”

Section: Methodsmentioning

confidence: 99%

A pilot study exploring the effects of musical genres on the depth of general anaesthesia assessed by haemodynamic responses

Mira

Costa

Mendes

et al. 2015

Journal of Feline Medicine and Surgery

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“…Exposure to music induced changes in respiratory rate and pupillary diameter, possibly due to its effect on the autonomic nervous system. Classical music was associated with a more relaxed state in these anesthetized patients versus heavy metal …”

Section: Nonpharmacologic Therapies For Stress Reductionmentioning

confidence: 91%

Psychogenic stress in hospitalized veterinary patients: Causation, implications, and therapies

Lefman

Prittie

2019

J Vet Emergen Crit Care

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Objective: To review the sources, adverse effects, diagnosis, treatment, and prevention of psychogenic stress in hospitalized human and veterinary patients. Data Sources: Data were collected by searching PubMed for veterinary and human literature from the past 10 years. Human Data Synthesis: Psychogenic stress has been linked to immune suppression; gastrointestinal, cardiovascular, and cutaneous diseases; delayed wound healing; alterations in pain perception; and neurologic impairment. Sources of psychogenic stress include environmental alterations such as excessive noise and light, social and physical factors, sleep disruption, drugs, and underlying disease. Nonpharmacologic options for stress reduction include environmental and treatment modifications, music therapy, and early mobilization. Pharmacologic options include sedation with benzodiazepines and dexmedetomidine. Trazodone and melatonin have been examined for use in sleep promotion but are not currently recommended as standard treatments in ICU. Veterinary Data Synthesis: Activation of the stress response in veterinary patients is largely the same as in people, as are the affected body systems. Possible sources of stress can include social, physical, and environmental factors. No gold standard currently exists for the identification and quantification of stress. A combination of physical examination findings and the results of serum biochemistry, CBC, and biomarker testing can be used to support the diagnosis. Stress scales can be implemented to identify stressed patients and assess severity. Nonpharmacologic treatment options include low-stress handling, pheromones, environmental modifications, and sleep promotion. Pharmacologic options include trazodone, benzodiazepines, dexmedetomidine, and melatonin. Conclusion:The prevalence and clinical significance of psychogenic stress in hospitalized veterinary patients is unknown. Future studies are needed to specifically examine the causative factors of psychogenic stress and the effects of various therapies on stress reduction. The recognition and reduction of psychogenic stress in veterinary patients can lead to improvements in patient care and welfare.

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Influence of music and its genres on respiratory rate and pupil diameter variations in cats under general anaesthesia: contribution to promoting patient safety

Cited by 19 publications

References 52 publications

Top-down, contextual entrainment of neuronal oscillations in the auditory thalamocortical circuit

Top-down, contextual entrainment of neuronal oscillations in the auditory thalamocortical circuit

A pilot study exploring the effects of musical genres on the depth of general anaesthesia assessed by haemodynamic responses

Psychogenic stress in hospitalized veterinary patients: Causation, implications, and therapies

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