Mast cells are a subtype of white blood cells and are involved in the immune system.These cells contain many chemical substances called mediators,which are involved in the allergic response.The fact that mast cells pl...Mast cells are a subtype of white blood cells and are involved in the immune system.These cells contain many chemical substances called mediators,which are involved in the allergic response.The fact that mast cells play a role in many events that require urgent intervention,especially anaphylaxis,has led to a more detailed study of these cells.The diseases also caused by dysfunctions of mast cells have been examined in many circumstances.For instance,mast cell activation syndrome is known as an augmented number of cells due to decreased cell death,resulting in clinical symptoms affecting many systems.The main common symptoms include flushing,hypotension,urticaria,angioedema,headache,vomiting and diarrhea.Although the underlying mechanism is not yet clearly known,we aim to review the literature in a broad perspective and bring together the existing knowledge in the light of the literature due to the diversity of its involvement in the body and the fact that it is a little known syndrome.展开更多
Mast cell activation syndrome(MCAS)includes a group of disorders that result in the inappropriate release of inflammatory mediators from mast cells.These mediators can affect multiple organ systems and lead to signifi...Mast cell activation syndrome(MCAS)includes a group of disorders that result in the inappropriate release of inflammatory mediators from mast cells.These mediators can affect multiple organ systems and lead to significant morbidity,and possible fatality.Although reactions,typically in response to various nonspecific stimuli,are usually mild,they may put those with MCAS at increased risk of anaphylaxis.In this case report,we present two clinical scenarios of MCAS,and identify possible factors triggering mast cell mediator release.We also define a preoperative preventive pathway,outline anesthetic considerations,and discuss the management of immediate hypersensitivity reactions in patients with MCAS.Meticulous preoperative preparation,avoidance of triggers,and development of a plan to treat possible adverse organ responses are paramount of good outcomes.展开更多
文摘Mast cells are a subtype of white blood cells and are involved in the immune system.These cells contain many chemical substances called mediators,which are involved in the allergic response.The fact that mast cells play a role in many events that require urgent intervention,especially anaphylaxis,has led to a more detailed study of these cells.The diseases also caused by dysfunctions of mast cells have been examined in many circumstances.For instance,mast cell activation syndrome is known as an augmented number of cells due to decreased cell death,resulting in clinical symptoms affecting many systems.The main common symptoms include flushing,hypotension,urticaria,angioedema,headache,vomiting and diarrhea.Although the underlying mechanism is not yet clearly known,we aim to review the literature in a broad perspective and bring together the existing knowledge in the light of the literature due to the diversity of its involvement in the body and the fact that it is a little known syndrome.
基金supported in part by the Department of Anesthesiology and Pain Medicine of University of California Davis Health and NIH grant UL1TR000002 to the University of California Davis Health
文摘Mast cell activation syndrome(MCAS)includes a group of disorders that result in the inappropriate release of inflammatory mediators from mast cells.These mediators can affect multiple organ systems and lead to significant morbidity,and possible fatality.Although reactions,typically in response to various nonspecific stimuli,are usually mild,they may put those with MCAS at increased risk of anaphylaxis.In this case report,we present two clinical scenarios of MCAS,and identify possible factors triggering mast cell mediator release.We also define a preoperative preventive pathway,outline anesthetic considerations,and discuss the management of immediate hypersensitivity reactions in patients with MCAS.Meticulous preoperative preparation,avoidance of triggers,and development of a plan to treat possible adverse organ responses are paramount of good outcomes.
