What is the most common complication?
Mar 11, 2022
In fact, the most common complication of blunt needle buttonhole puncture should be unsuccessful puncture.
One view is that if the buttonhole puncture site is used for too long, it may make the tunnel difficult to use; then it is necessary to find a reasonable puncture point "rest" time: need to rest, but not too much time long......
The second factor that causes the unsuccessful puncture is that there may be changes in the state of the subcutaneous tissue, especially when the fluid state of hemodialysis patients changes significantly (for example, the water is too swollen, swollen...). It can be modified to change the trajectory of the tunnel, which in turn makes puncturing difficult.
Of course, if the patient becomes fatter, the tunnel trajectory may change, so this requires frequent assessment by staff.
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