Abstract
Although the human body is well equipped to counteract the occurrence of a reflux of gastric contents into the esophagus and possibly into the more proximal airway, regurgitation does occur, especially in elderly subjects and in newborns. In healthy subjects, physiological mechanisms offer a well-developed degree of protection against gastroesophageal reflux (GER) as shown by its absence even in subjects maintained in a head-down posture [1]. The most common disorder leading to GER is a functional or structural abnormality of the lower esophageal sphincter affecting either one of its two components: smooth muscle or striated muscle from the crural portion of the diaphragm [1].
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© 1999 Springer-Verlag Italia
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Sant’Ambrogio, G., Sant’Ambrogio, F.B. (1999). Pathophysiological Determinants of Gastroesophageal Reflux, and the Role of Esophageal and Airway Receptors. In: Dal Negro, R.W., Allegra, L. (eds) Pneumological Aspects of Gastroesophageal Reflux. Springer, Milano. https://doi.org/10.1007/978-88-470-2147-1_3
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DOI: https://doi.org/10.1007/978-88-470-2147-1_3
Publisher Name: Springer, Milano
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