What are some disadvantages of using hollow-fiber dialyzers?

The correct response highlights a significant concern in the use of hollow-fiber dialyzers, which is the meticulous care required to remove air from the fiber bundle. Hollow-fiber dialyzers consist of numerous thin fibers that create a large surface area for blood filtration. However, air can become trapped in these fibers, leading to potential issues with the dialysis process.

If air is not properly removed, it can cause an air embolism, which is a serious complication that can occur if air enters the bloodstream. The presence of air in the fibers can also reduce the efficiency of the dialyzer, potentially impacting the patient's treatment. Therefore, healthcare providers must be particularly diligent in ensuring that all air is expelled from the dialyzer before it is used on a patient.

This care requirement underscores the complexity of using hollow-fiber dialyzers and the importance of following strict protocols to ensure patient safety and treatment efficacy.