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Respiratory airflow patterns in ponies at rest and during exercise.
Abstract: The exercise-induced changes in the equine breathing pattern were studied by analyzing tidal breathing flow-volume loops recorded in ten ponies both at rest and during a standardized exercise. Airflow, tidal volume, esophageal pressure and mask pressure were simultaneously recorded before, during and after a treadmill exercise. From the collected data, respiratory frequency and total pulmonary resistance were calculated, tidal breathing flow-volume loops were retraced using a computerized method and loop indices were measured for each period of the experimental protocol. For each pony, results of three consecutive daily measurements were averaged. The exercise loop indices were compared with the corresponding resting values using a one-way analysis of variance. The significantly changed indices were correlated with respiratory frequency and total pulmonary resistance. Several types of respiratory patterns were observed at rest as well as during exercise, although each pony was relatively constant in its own pattern of breathing. Most resting inspiratory and expiratory airflow curves were found to be biphasic. When ponies started running, the airflow developed an increasingly rectangular pattern. During strenuous exercise, both inspiratory and expiratory airflow curves showed a substantial increase of the volume acceleration and tended to a plateau. The loop indices relating the expiratory to the inspiratory airflow were significantly increased compared with their rest values. Correlations of these indices with respiratory frequency and total pulmonary resistance were weak.(ABSTRACT TRUNCATED AT 250 WORDS)
Publication Date: 1988-07-01 PubMed ID: 3167715PubMed Central: PMC1255452 The Equine Research Bank provides access to a large database of publicly available scientific literature. Inclusion in the Research Bank does not imply endorsement of study methods or findings by Mad Barn.
- Journal Article
- Research Support
- Non-U.S. Gov't
Summary
This research summary has been generated with artificial intelligence and may contain errors and omissions. Refer to the original study to confirm details provided. Submit correction.
This research investigated the changes in breathing patterns in ponies during rest and exercise. Ten ponies’ respiratory frequencies and total pulmonary resistances were measured before, during, and after treadmill exercise using a computerized method.
Methodology
- The study involved an analysis of airflow, tidal volume, esophageal pressure, and mask pressure readings obtained from ten ponies during different stages of exercise – before, during, and after exercising on a treadmill.
- The researchers collected several data points to understand the ponies’ respiratory frequency and total pulmonary resistance. This included the tracing of tidal breathing flow-volume loops using a computerized technique, and measurement of loop indices at each stage of the exercise protocol.
- The data collected over three consecutive days was averaged for each pony to ensure consistency in results.
Analysis
- The researchers compared the measurements taken during exercise with the rest phase measurements using a one-way analysis of variance, a statistical method used to compare means of different sets of data.
- The respiratory indices that showed significant changes were then correlated with respiratory frequency and total pulmonary resistance.
- It was observed that different types of respiratory patterns occurred at rest as well as during exercise. However, each pony showed consistency in its own breathing pattern.
Results
- Most resting inspiratory and expiratory airflow curves were found to be biphasic.
- With the initiation of exercise, the ponies showed an increasingly rectangular pattern in their airflow.
- During strenuous exercise, a significant increase in the volume acceleration was noticed in the airflow curves both on inspiration and expiration, with a tendency towards a plateau.
- There was a significant increase in the loop indices relating the expiratory to the inspiratory airflow compared to their resting values.
- However, the correlation of these indices with respiratory frequency and total pulmonary resistance was found to be weak.
The study provides valuable insights into the variations in respiratory patterns in ponies when transitioning from rest to exercise. Understanding these changes can help to better monitor and manage the health and performance of equine athletes.
Cite This Article
APA
Art T, Lekeux P.
(1988).
Respiratory airflow patterns in ponies at rest and during exercise.
Can J Vet Res, 52(3), 299-303.
Publication
Researcher Affiliations
- Laboratory for Cardio-pulmonary Functional Investigation, Faculty of Veterinary Medicine, University of Liege, Brussels, Belgium.
MeSH Terms
- Analysis of Variance
- Animals
- Horses / physiology
- Physical Exertion
- Pleura / physiology
- Pressure
- Pulmonary Ventilation
- Regression Analysis
- Tidal Volume
References
This article includes 17 references
- Gillespie JR, Tyler WS, Eberly VE. Pulmonary ventilation and resistance in emphysematous and control horses.. J Appl Physiol 1966 Mar;21(2):416-22.
- Yamashiro SM, Grodins FS. Optimal regulation of respiratory airflow.. J Appl Physiol 1971 May;30(5):597-602.
- Grimby G, Saltin B, Wilhelmsen L. Pulmonary flow-volume and pressure-volume relationship during submaximal and maximal exercise in young well-trained men.. Bull Physiopathol Respir (Nancy) 1971 Jan-Feb;7(1):157-72.
- Hyatt RE, Black LF. The flow-volume curve. A current perspective.. Am Rev Respir Dis 1973 Feb;107(2):191-9.
- Miller RD, Hyatt RE. Evaluation of obstructing lesions of the trachea and larynx by flow-volume loops.. Am Rev Respir Dis 1973 Sep;108(3):475-81.
- Willoughby RA, McDonell WN. Pulmonary function testing in horses.. Vet Clin North Am Large Anim Pract 1979 May;1(1):171-96.
- Wise PH, Krauss AN, Waldman S, Auld PA. Flow-volume loops in newborn infants.. Crit Care Med 1980 Feb;8(2):61-3.
- Stubbing DG, Pengelly LD, Morse JL, Jones NL. Pulmonary mechanics during exercise in normal males.. J Appl Physiol Respir Environ Exerc Physiol 1980 Sep;49(3):506-10.
- Derksen FJ, Robinson NE. Esophageal and intrapleural pressures in the healthy conscious pony.. Am J Vet Res 1980 Nov;41(11):1756-61.
- Abramson AL, Goldstein MN, Stenzler A, Steele A. The use of the tidal breathing flow volume loop in laryngotracheal disease of neonates and infants.. Laryngoscope 1982 Aug;92(8 Pt 1):922-6.
- Bye PT, Farkas GA, Roussos C. Respiratory factors limiting exercise.. Annu Rev Physiol 1983;45:439-51.
- Tammelin BR, Wilson AF, Borowiecki BB, Sassin JF. Flow-volume curves reflect pharyngeal airway abnormalities in sleep apnea syndrome.. Am Rev Respir Dis 1983 Oct;128(4):712-5.
- Lafortuna CL, Minetti AE, Mognoni P. Inspiratory flow pattern in humans.. J Appl Physiol Respir Environ Exerc Physiol 1984 Oct;57(4):1111-9.
- Amis TC, Kurpershoek C. Tidal breathing flow-volume loop analysis for clinical assessment of airway obstruction in conscious dogs.. Am J Vet Res 1986 May;47(5):1002-6.
- Amis TC, Smith MM, Gaber CE, Kurpershoek C. Upper airway obstruction in canine laryngeal paralysis.. Am J Vet Res 1986 May;47(5):1007-10.
- Verheugt FW, Visser FC, van der Wall EE, van Eenige MJ, Res JC, Roos JP. Prediction of spontaneous coronary reperfusion in myocardial infarction.. Postgrad Med J 1986 Nov;62(733):1007-10.
- MILIC-EMILI G, PETIT JM, DEROANNE R. The effects of respiratory rate on the mechanical work of breathing during muscular exercise.. Int Z Angew Physiol 1960;18:330-40.
Citations
This article has been cited 6 times.- Kozłowska N, Wierzbicka M, Jasiński T, Domino M. Advances in the Diagnosis of Equine Respiratory Diseases: A Review of Novel Imaging and Functional Techniques. Animals (Basel) 2022 Feb 4;12(3).
- Burnheim K, Hughes KJ, Evans DL, Raidal SL. Reliability of breath by breath spirometry and relative flow-time indices for pulmonary function testing in horses. BMC Vet Res 2016 Nov 28;12(1):268.
- Guthrie AJ, Beadle RE, Bateman RD, White CE. The effects of three models of airway disease on tidal breathing flow-volume loops of thoroughbred horses. Vet Res Commun 1995;19(6):517-27.
- Guthrie AJ, Beadle RE, Bateman RD, White CE. Characterization of normal tidal breathing flow-volume loops for thoroughbred horses. Vet Res Commun 1995;19(4):331-42.
- Doucet MY, Vrins AA, Ford-Hutchinson AW. Histamine inhalation challenge in normal horses and in horses with small airway disease. Can J Vet Res 1991 Jul;55(3):285-93.
- Donaldson LL. A review of the pathophysiology of exercise-induced pulmonary haemorrhage in the equine athlete. Vet Res Commun 1991;15(3):211-26.
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