1968
DOI: 10.1097/00005373-196803000-00009
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The Pathophysiology of Progressive, Tension Pneumothorax

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Cited by 69 publications
(49 citation statements)
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“…30 33 45 46 In one of these studies the animals were lightly anaesthetised (but spontaneously ventilating), 30 and in all others they were fully awake. 33 45 47 These animals were able to maintain negative contralateral IPP, even after significant positive ipsilateral IPP occurred in the end expiratory phase 33 47 and sometimes throughout the whole respiratory cycle.…”
Section: Animal Models-awakementioning
confidence: 99%
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“…30 33 45 46 In one of these studies the animals were lightly anaesthetised (but spontaneously ventilating), 30 and in all others they were fully awake. 33 45 47 These animals were able to maintain negative contralateral IPP, even after significant positive ipsilateral IPP occurred in the end expiratory phase 33 47 and sometimes throughout the whole respiratory cycle.…”
Section: Animal Models-awakementioning
confidence: 99%
“…33 45 47 These animals were able to maintain negative contralateral IPP, even after significant positive ipsilateral IPP occurred in the end expiratory phase 33 47 and sometimes throughout the whole respiratory cycle. 30 One study induced bilateral TPT in dogs 45 to overcome the dog model validity problems mentioned above, but this may negate any contralateral thoracic compensatory mechanisms, which occur with unilateral TPT.…”
Section: Animal Models-awakementioning
confidence: 99%
“…"content-markup(./author-grp [1]/aff|./author-grp [1]/dept-list)> Congenital lobar emphysema (CLE) is a well recognized yet uncommon clinical entity in human infants, which has uncommonly been described in dogs. [1][2][3]6,7,11,14,17 Tension pneumothorax (TPT) is seldom reported in animals and is a rapidly fatal pathologic condition, characterized by the presence of intrapleural air at higher than atmospheric pressure throughout the entire respiratory cycle. 13 The term spontaneous pneumothorax is used to describe the entry of air into the pleural space without underlying traumatic or iatrogenic causes.…”
mentioning
confidence: 99%
“…[1][2][3]6,7,11,14,17 Bronchial cartilage aplasia, hypoplasia, or dysplasia has been demonstrated as the underlying cause of CLE in all the prevailing reports of this condition in dogs. To date, CLE has been reported in Pekingese, 14,17 Shih Tzu, Jack Russell Terrier 6 and English Springer Spaniel 3 puppies, young Chow Chow, 7 Schipperke 16 and Pomeranian 11 dogs, an adult Pekingese, 2 and 2 senile Afghan hounds. 1 CLE results in respiratory compromise in 2 ways.…”
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confidence: 99%
“…Since that case, over 10 years ago, we have seen (individually or by proxy through our interest in others' cases) multiple other examples of tension physiology in spontaneously breathing patients, unfortunately including a death due to non-treatment. Second, Simpson's referral to definitions of tension pneumothorax employing use of intra-pleural pressure (IPP) should refer to the original animal experiments, which pointed out that ‘positive IPP throughout the respiratory cycle’ was only a useful definition of tension pneumothorax in the ventilated subject 4 5. In awake subjects, the IPP must be less than atmospheric pressure during part of the respiratory cycle if air is going to continue to enter the pleural cavity 4 5…”
mentioning
confidence: 99%