|Author||Kroes, Maarten W. ♦ Busser, Wendy M. H. ♦ Hoogeveen, Yvonne L. ♦ Lange, Frank de ♦ Schultze Kool, Leo J.|
|Source||United States Department of Energy Office of Scientific and Technical Information|
|Subject Keyword||RADIOLOGY AND NUCLEAR MEDICINE ♦ ABLATION ♦ BEAM TRANSPORT ♦ BEAMS ♦ COMPARATIVE EVALUATIONS ♦ COMPUTERIZED TOMOGRAPHY ♦ FLUOROSCOPY ♦ LASER RADIATION ♦ LASERS ♦ RADIOWAVE RADIATION|
|Abstract||PurposeTo assess whether laser guidance can reduce fluoroscopy and procedure time of cone-beam computed tomography (CBCT)-guided radiofrequency (RF) ablations of osteoid osteoma compared to freehand CBCT guidance.Materials and Methods32 RF ablations were retrospectively analyzed, 17 laser-guided and 15 procedures using the freehand technique. Subgroup selection of 18 ablations in the hip–pelvic region with a similar degree of difficulty was used for a direct comparison. Data are presented as median (ranges).ResultsComparison of all 32 ablations resulted in fluoroscopy times of 365 s (193–878 s) for freehand and 186 s (75–587 s) for laser-guided procedures (p = 0.004). Corresponding procedure times were 56 min (35–97 min) and 52 min (30–85 min) (p = 0.355). The subgroup showed comparable target sizes, needle path lengths, and number of scans between groups. Fluoroscopy times were lower for laser-guided procedures, 215 s (75–413 s), compared to 384 s (193–878 s) for freehand (p = 0.012). Procedure times were comparable between groups, 51 min (30–72 min) for laser guidance and 58 min (35–79 min) for freehand (p = 0.172).ConclusionAdding laser guidance to CBCT-guided osteoid osteoma RF ablations significantly reduced fluoroscopy time without increasing procedure time.Level of EvidenceLevel 4, case series.|
|Learning Resource Type||Article|
|Publisher Place||United States|
|Journal||Cardiovascular and Interventional Radiology|
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