Dr. Mike Betzner discusses managing acute renal failure with volume overload in remote areas without dialysis. He explores solutions like nitroglycerin, BiPAP, phlebotomy, and rotating BP cuffs. Challenges include hyperkalemia and survival during transport.
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Quick takeaways
Using a venodilator circuit as an alternative to CPAP or BiPAP can effectively address volume overload in patients without immediate access to dialysis.
Phlebotomy is a simple and rapid solution for reducing volume overload in critically ill patients when dialysis is not readily available.
Deep dives
Managing acute critical care transport medicine cases
In this podcast episode, Dr. Mike Betzner discusses the challenges faced in critical care transport medicine when there is a lack of evidence-based guidance. He presents a case of a 74-year-old woman with severe shortness of breath and peripheral edema, who was in a small rural hospital without access to dialysis. Despite starting nitroglycerin, the patient still struggled to breathe and remained significantly volume overloaded. To address this, a venodilator circuit was used as an alternative to CPAP or BIPAP. Additionally, in the absence of immediate access to dialysis, the volume was rapidly reduced by phlebotomy, resulting in a dramatic improvement in the patient's condition.
Phlebotomy as an instant solution for volume overload
In the podcast, Dr. Betzner highlights the use of phlebotomy as an effective and rapid solution in cases of acute volume overload. By withdrawing 250-500 cc of blood, the volume removed acts as an 'instant dialysis' to alleviate the patient's condition. This method is particularly beneficial when time is of the essence and dialysis options are limited or not readily available. The simplicity and immediate success of phlebotomy make it a viable option for managing volume overload in critically ill patients.
Creative approaches in managing renal failure patients
The podcast delves into the creative strategies required for managing critical renal failure patients when immediate dialysis is not feasible. In addition to phlebotomy, the use of rotating blood pressure cuffs as a means to decrease preload and manage severe anemia is discussed. These innovative approaches, while not standard interventions, can be employed in emergencies to effectively manage volume overload and stabilize patients awaiting definitive dialysis.
Sometimes our renal failure patients present short of breath with volume overload and we don't have immediate access to dialysis. What then? Dr. Mike Betzner, EM doc and medical director of STARS air ambulance service and collaborator on EM Cases CritCases blog tells his Best Case Ever and his approach to this challenging clinical situation. He offers two commonly used solutions: nitroglycerin and BiPAP as well as two not so common solutions: phlebotomy and rotating BP cuffs blown to above SBP...
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