Flow-directed pulmonary artery catheters provide important information regarding intravascular volume status, cardiac function and vascular resistance. We describe an unusual complication of pulmonary artery catheterization in which a knot formed at the distal end was torn away from the catheter body and migrated from its original position in the right subclavian vein to a distal branch of the right pulmonary artery. Careful attention to insertion and withdrawal techniques could prevent this potentially serious complication.
Articles| September 01 1992
Nodus migrans: the case of the migrating knot
Am J Crit Care (1992) 1 (2): 108–110.
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MS Ewer, MK Ali, HR Gibbs, J Swafford; Nodus migrans: the case of the migrating knot. Am J Crit Care 1 September 1992; 1 (2): 108–110. doi: https://doi.org/10.4037/ajcc19126.96.36.199
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