Abstract
Disorders of digestive tract functions, secretion, digestion, propagation, absorption, and metabolism, can easily lead to abdominal symptoms of meal-related diseases such as functional dyspepsia (FD). Pancreatic exocrine function also exerts an important role in digestion and absorption after meal. Therefore, pancreatic exocrine must be a significant function associated with the pathogenesis of FD as well as acid secretion and gastroduodenal motility. However, it is unclear which dysfunction or organ is an origin of abdominal symptoms of FD, because symptoms felt at the epigastrium are complicatedly caused by dysfunction of both the gastroduodenum and the adjacent organ (e.g., pancreas). In addition, it is known that a mismatch in the perception site and expression between the general epigastric symptoms and FD-specific symptoms often appears in most FD patients. This issue may cause poor understandings of the accurate pathogenesis of FD.
In this chapter, first of all, we introduce what kind of upper abdominal symptoms general Japanese subjects felt and where they felt FD-like symptoms using a questionnaire with an illustration divided into eight parts of the abdomen including the sternum, and then give the information about roles of pancreatic exocrine function and usual nutrition in the pathogenesis of FD.
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Fujikawa, Y., Tominaga, K. (2018). Pancreatic Exocrine Function. In: Tominaga, K., Kusunoki, H. (eds) Functional Dyspepsia. Springer, Singapore. https://doi.org/10.1007/978-981-13-1074-4_16
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DOI: https://doi.org/10.1007/978-981-13-1074-4_16
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