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J2 Cardiopulmonary bypass surgery April17

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Information about J2 Cardiopulmonary bypass surgery April17
Education

Published on May 2, 2008

Author: Irvette

Source: authorstream.com

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It takes time to construct, but it does not take time to destruct… Goyal :  It takes time to construct, but it does not take time to destruct… Goyal BIOFLUID DYNAMICS OF THE CARDIOPULMONARY BYPASS SURGERY:  BIOFLUID DYNAMICS OF THE CARDIOPULMONARY BYPASS SURGERY Slide3:  John Ramirez Karym Urdaneta Jesse Castillo Victor Delgado Objectives:  Objectives Early history of CPB Description of the CPB machine Components of the CPB circuit. Fluid balance during CPB usage. Conduct during CPB History:  History Early machines WWII Thomas Watson John H. Gibbons Jr. 1903-1973 History:  History Success with dogs Human failures Success CPB Machine:  CPB Machine Allows heart surgery Heart is emptied and stopped Oxygenates and pumps the blood CPB Machine:  CPB Machine Blood pumps Heater/cooler device Gas exchanger Tubing Filter CPB Machine:  CPB Machine Personnel Fluids Circuit CPB Machine:  CPB Machine Gravlee, 2000, page 585 Equipment: Cannulas:  Equipment: Cannulas Gravity siphonage Single or two stage Effective positioning Gravlee, 2000, page 72 & 73 Equipment:  Equipment Equipment: Tubing:  Equipment: Tubing Low spallation Smooth curves and nonwettable Flexible, hard, tough… Equipment: Tubing:  Equipment: Tubing Equipment: Reservoir:  Equipment: Reservoir A buffer for fluctuations A gross bubble trap Provides time for action Equipment: Pumps:  Equipment: Pumps Ideal pump: No blood damage Easily monitored flow rate No turbulence or stagnation Manually operable Types of Pumps:  Types of Pumps Gravlee, 2000, page 42 Roller Pumps Types of Pumps:  Types of Pumps Gravlee, 2000, page 42 Centrifugal pumps Types of Pumps:  Types of Pumps Equipment: Oxygenators:  Equipment: Oxygenators (Bubble Oxygenator) Gravlee, 2000, page 55 Equipment: Oxygenators:  Equipment: Oxygenators (Membrane Oxygenator) Gravlee, 2000, page 57 Equipment: Oxygenators:  Equipment: Oxygenators Gravlee, 2000, page 50 Equipment: Other Components:  Equipment: Other Components Filters Bubble traps Heat exchangers Hemoconcentrators Gravlee, 2000, page 86 CPB Circuit:  CPB Circuit Gravlee, 2000, page 70 Fluid Balance:  Fluid Balance Hematocrit Priming volume Fluid administration during CPB Hypothermia:  Hypothermia Reduced metabolic rate Less oxygen consumption Viscosity Hypothermia:  Hypothermia Gravlee, 2000, page562 Viscosity of human blood with varying temperature Myocardial Protection:  Myocardial Protection Cardiac arrest with cardioplegia Hypothermia Myocardial edema Buffering acidosis Anticoagulation:  Anticoagulation Blood contact with foreign surfaces Heparin & side effects Monitoring Protamine Conduct:  Conduct Teamwork Initiation Performance Monitoring Monitoring:  Monitoring Electrocardiograph Pressure Temperature Neurological Activity Coagulation Status Conclusions:  Conclusions Cardiovascular surgery Postperfusion syndrome Artificial blood Acknowledgements:  Acknowledgements BMEI staff Professor Megh Goyal Thank You:  Thank You Slide35:  Reach for the stars, even if you have to stand on a cactus… John Ramirez

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