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The prerequisite of development of pulmonary barotrauma [PB] is retention of the breathing mix in the lungs during a sudden decrease in external pressure or its administration into the airways under increased pressure or in a volume exceeding the maximum lung capacity. In such cases, the pulmonary parenchyma ruptures and air enters both the pleural cavity and/or the lumen of ruptured blood vessels located in the alveolar septa. The result is permanent disruption of the pulmonary parenchyma. The aim of the study was to assess the influence of post-PB lesions on the heart muscle and the importance of hyperbaric treatment on the exacerbation of such lesions in the heart. The hearts of 35 rabbits were used in the study. In animals of the experimental group, PB was induced in the pressure chamber using the proprietary method described in previous publications. Part of the animals in this group were treated with air hyperbaria. The comparison group consisted of animals, which did not undergo PB during a simulated dive. All animals were weighed, observed for four weeks and then put to death following the experiment. In autopsy, among others, whole hearts were collected and weighed after fixation. Subsequently, the C/S ratio, i.e. the body to heart weight ratio, was calculated. The measurement results were subject to statistical analysis. A statistically significant increase in the C/S ratio was found, indicating an increase in the share of heart weight in the total body weight in the group of animals with PB not treated with air hyperbaria as compared to the control group.
Słowa kluczowe
Czasopismo
Rocznik
Tom
Strony
63--70
Opis fizyczny
Bibliogr. 22 poz.
Twórcy
autor
- Department of Submarine Work Technology, Naval Academy, Gdynia, Poland
autor
- Department of Pathomorphology, Military Medical Institute, Warsaw, Poland
autor
- Department of Atomic, Molecular and Optical Physics, Nicolaus Copernicus University, Toruń, Poland
Bibliografia
- 1. Kozłowski W., Siermontowski P., Koktysz R., Olszański R.: Bronchoalveolar tree and the pulmonary vascular bed in pulmonary barotrauma. An experimental study. Polish Journal of Environmental Studies 2006, 15, 4b: 100-104;
- 2. Heritier F., Schaller M.D., Fitting J.W., Feihl F., Leuenberger P., Perret C.: The pulmonary manifestations of diving accidents. Schweiz.Z.Sportmed. 1993, 41, (3): 115 20;
- 3. Lim E.B., How J.: A review of cases of pulmonary barotrauma from diving. Singapore.Med.J. 1993, 34, (1): 169;
- 4. Topliff E.D.: Mechanism of lung damage in explosive decompression. Aviat Space Environ Med. 1976 May;47(5):517-22;
- 5. Sieroń A., Cieślar G. (red): Zarys Medycyny Hiperbarycznej α-medica press Warszawa 2006;
- 6. Mukerji B, Alpert MA, Mukerji V.: Right ventricular alterations in scuba divers: findings on electrocardiography and echocardiography. South Med J. 2000 Jul;93(7):673-6;
- 7. Ross JA, Macdiarmid JI, Osman LM, Watt SJ, Godden DJ, Lawson A.: Health status of professional divers and offshore oil industry workers. Occup Med (Lond). 2007 Jun;57(4):254-61. Epub 2007 Feb 22;
- 8. Boussuges A, Lafay V.: Changes in cardiac function during recreational diving. Arch Mal Coeur Vaiss. 1997 Feb;90(2):263-8;
- 9. Lafay V.: The heart and underwater diving. Arch Mal Coeur Vaiss. 2006 Nov;99(11):1115-9;
- 10. Muth CM, Tetzlaff K.: Scuba diving and the heart. Cardiac aspects of sport scuba diving Herz. 2004 Jun;29(4):406-13;
- 11. Siermontowski P., Kozłowski W., Olszański R., Pedrycz A.: The significance of an experimental model of pulmonary barotrauma in examining diving accidents. Polish Hyperbaric Research. 2012: Vol. 38, nr 1, s. 7-27;
- 12. Kozłowski W., Siermontowski P., Koktysz R, Olszański R.: Macroscopic indices and microstereological studies of the effect of treatment with air recompression-decompression on the heart changes after experimental pulmonary barotrauma. Eur. J. Underwater Hyperbar. Med. 2005: 6, 3, 74, P313;
- 13. Jędrzejczyk J., Siermontowski P., Bernas S., Kozłowski W., Olszański R., Koktysz R. Further morfometric study of treated and non - treated experimental pulmonary barotrauma. Polish Hyperbaric Research 2010 : Vol. 30, nr 3, s. 57-66;
- 14. Siermontowski P., Bernas S., Olszański R., Koktysz R., Kaczerska D. Initial morphometric hearts tests in treated and non - treated experimental lung pressure injury. Polish Hyperbaric Research 2010 : Vol. 30, nr 2, s. 45-53;
- 15. Decompression and recompression tables for divers. Gdynia Navy Command, Gdynia 1982: 25;
- 16. Sant'Anna M. P., Mello R. J., Montenegro L. T., Araújo M. M.: Left and right ventricular hypertrophy at autopsy of hypertensive individuals. Rev Assoc Med Bras. 2012 Jan-Feb;58(1):41-7;
- 17. Senatorova A. S., Chaĭchenko T. V., Boĭchenko A. D.: Myocardial geometry and function in overweight and obese adolescents. Lik Sprava. 2011 Oct-Dec;(7-8):43-51;
- 18. Maehle B.O., Giertsen J.C., Tyssebotn I. Hypertrophy of the left cardiac ventricle in professional divers. J.Hyperbaric Med. 1989, 4(4): 189-195;
- 19. Siermontowski P. Qualitative microscopic examinations in: Pathoclinics of changes in the heart and lungs in treated and untreated therapeutic recompression of pulmonary pressure trauma in an animal model. Wyd. PTMiTH 2014; 117 – 119;
- 20. Siermontowski P., Jędrzejczyk J., Pedrycz-Wieczorska A., Koktysz R., Ciechan A. Morphometrical examination of myocardial fibrosis treated and non treated experimental barotrauma of lungs. Polish Hyperbaric Research: 2011 : Vol. 34, nr 1, s. 45-53;
- 21a NATO ADivP-02.1 Allied guide to diving medical disorders – national information. EditA. Ver 1 2016: 122 – 123;
- 21b NATO ADivP-02.1 Allied guide to diving medical disorders – national information. EditA. Ver 1 2016: 124 – 127.
Typ dokumentu
Bibliografia
Identyfikator YADDA
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