Dialysis Clinic

The migration of Tenckhoff catheters into the upper abdomen occurs fairly commonly. This is often associated with poor drainage—a finding attributed to catheter malposition (i.e., the catheter tip is not immersed in the dialysate). In contrast, the disk catheter, which rests just below the peritoneum, drains without difficulty despite a similar “malposition.” How are these seemingly contradictory observations reconciled?