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Endothelial dysfunction may be involved in the development of atherosclerosis [5] [6] [7] and may predate vascular pathology. [ 5 ] [ 8 ] Endothelial dysfunction may also lead to increased adherence of monocytes and macrophages , as well as promoting infiltration of low-density lipoprotein (LDL) in the vessel wall. [ 9 ]
The European Consensus Guidelines on the Management of Respiratory Distress Syndrome highlight new possibilities for early detection, and therefore treatment of IRDS. [8] The guidelines mention an easy to use rapid point-of-care predictive test that is now available [ 9 ] and how lung ultrasound, with appropriate training, expertise and ...
Septic shock is a result of a systemic response to infection or multiple infectious causes. The precipitating infections that may lead to septic shock if severe enough include but are not limited to appendicitis, pneumonia, bacteremia, diverticulitis, pyelonephritis, meningitis, pancreatitis, necrotizing fasciitis, MRSA and mesenteric ischemia.
The pathophysiology of acute respiratory distress syndrome involves fluid accumulation in the lungs not explained by heart failure (noncardiogenic pulmonary edema). It is typically provoked by an acute injury to the lungs that results in flooding of the lungs' microscopic air sacs responsible for the exchange of gases such as oxygen and carbon dioxide with capillaries in the lungs. [1]
Acute respiratory distress syndrome (ARDS) is a type of respiratory failure characterized by rapid onset of widespread inflammation in the lungs. [1] Symptoms include shortness of breath (dyspnea), rapid breathing (tachypnea), and bluish skin coloration (cyanosis). [ 1 ]
There appears to be a role of cytokines in causing endothelial dysfunction. [3] [4] Finally, according to the "neuropeptide/cerebral vasoconstriction" theory, some specific substances (endothelin 1, thromboxane A2) trigger spasm of the blood vessels with resultant vessel wall damage and edema.
When accompanied by situs inversus the condition is known as Kartagener syndrome. [ 3 ] Respiratory epithelial motile cilia , which resemble microscopic "hairs" (although structurally and biologically unrelated to hair ), are complex organelles that beat synchronously in the respiratory tract, moving mucus toward the throat.
Endothelial dysfunction has also been shown to be predictive of future adverse cardiovascular events including stroke, heart disease, and is also present in inflammatory disease such as rheumatoid arthritis, diabetes, and systemic lupus erythematosus. [18] [19] Endothelial dysfunction is a result of changes in endothelial function.