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March / April 2013, Volume 19, Issue 2, Page(s) 150-153
Fogarty balloon application technique in dislodging residual thrombus on the single sheath entry point at the apex of thrombosed loop grafts
Dong Erk Goo1, Seung Boo Yang1, Yong Jae Kim1, Chul Moon2, Dan Song2, Sang Chul Yoon2, Woong Hee Lee1
1Department of Radiology, Soonchunhyang University Hospital, Gumi/Kyungbuk, Republic of Korea
2Department Surgery, Soonchunhyang University Hospital, Gumi/Kyungbuk, Republic of Korea
DOI: 10.4261/1305-3825.DIR.6144-12.2
PURPOSE
We aimed to evaluate the effectiveness of the Fogarty balloon application in dislodging residual thrombus at the sheath en- try point in a graft by using single apex puncture to declot thrombosed hemodialysis loop grafts.

MATERIALS AND METHODS
The apex puncture technique was used in 520 cases to declot 376 hemodialysis loop grafts (male/female, 150/226; mean age, 58 years). The Fogarty balloon application technique, which uses the Fogarty balloon to the apex, was used to compress or displace the sheath entry point residual thrombus that did not wash away spontaneously by arterial . The frequency of the use of the technique, technical success, com- plications, and primary patency were evaluated.

RESULTS
Sheath entry point thrombi were washed away spontane- ously in 281 of 520 procedures (54%), and 184 procedures (35.4%) underwent a Fogarty balloon application. For a vari- ety of reasons, the Fogarty balloon application technique was not performed in the remaining 55 procedures (10.6%). The technique was successful in 171 of 184 procedures (92.9%), and failed in 13 procedures, which required additional sheath insertion for the removal of sheath entry point thrombus. Complications included sheath dislodgment from the apex during Fogarty ballooning in one procedure and puncture site bleeding in one procedure. Primary patency was 60%, 35.2%, and 15.3% at 3, 6, and 12 months postprocedure, respectively.

CONCLUSION
The Fogarty balloon application technique is safe and useful for the removal of residual thrombus at the apical, peri-sheath zone when declotting occluded hemodialysis loop grafts.