Cardiocirculatory pathophysiological mechanisms in severe acute pancreatitis

José Julián Calvo; Mónica García

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Cardiocirculatory pathophysiological mechanisms in severe acute pancreatitis

Cardiocirculatory pathophysiological mechanisms in severe acute pancreatitis

作者：

José Julián Calvo Mónica García

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Severe

acute

PANCREATITIS

Cardiovascular

IMPAIRMENT

SYSTEMIC

inflammatory

response

syndrome

HYPOTENSION

Substance

CYTOSOLIC

calcium

HOMEOSTASIS

摘要：

Acute pancreatitis (AP) is a common and potentially lethal acute inflammatory process. Although the majority of patients have a mild episode of AP, 10%-20% develop a severe acute pancreatitis (SAP) and suffer systemic inflammatory response syndrome (SIRS) and/or pancreatic necrosis. The main aim of this article is to review the set of events, f irst localized in the pancreas, that lead to pancreatic inflammation and to the spread to other organs contributing to multiorganic shock. The early pathogenic mechanisms in SAP are not completely understood but both premature activation of enzymes inside the pancreas, related to an impaired cytosolic Ca2+ homeostasis, as well as release of pancreatic enzymes into the bloodstream are considered important events in the onset of pancreatitis disease. Moreover, afferent f ibers within the pancreas release neurotransmitters in response to tissue damage. The vasodilator effects of these neurotransmitters and the activation of pro-inflammatory substances play a crucial role in amplifying the inflammatory response, which leads to systemic manifestation of AP. Damage extension to other organs leads to SIRS, which is usually associated with cardiocirculatoryphysiology impairment and a hypotensive state. Hypotension is a risk factor for death and is associated with a signif icant hyporesponsiveness to vasoconstrictors. This indicates that stabilization of the patient, once this pathological situation has been established, would be a very diff icult task. Therefore, it seems particularly necessary to understand the pathological mechanisms involved in the f irst phases of AP to avoid damage beyond the pancreas. Moreover, efforts must also be directed to identify those patients who are at risk of developing SAP.

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篇名	Cardiocirculatory pathophysiological mechanisms in severe acute pancreatitis
来源期刊	世界胃肠药理与治疗学杂志：英文版（电子版）	学科	医学
关键词	Severe acute PANCREATITIS Cardiovascular IMPAIRMENT SYSTEMIC inflammatory response syndrome HYPOTENSION Substance P CYTOSOLIC calcium HOMEOSTASIS
年，卷（期）	2010,（1）	所属期刊栏目
研究方向		页码范围	9-14
页数	6页	分类号	R576
字数		语种
DOI