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• W2147237029 abstract "Radiation use has been linked to medical decision making and procedure difficulty during fluoroscopic procedures (JAMA 2009;301:2383). Testing this linkage requires collecting and analyzing radiation use across a wide range of procedures. Fluoroscopy time (FT) for every interventional radiology procedure was manually entered into the Radiology Information System. This database preserved the linkage between procedural codes (CPT) and FT. CPT code combinations with an exam frequency greater than 50 were graphically analyzed. A series of algorithms were developed to identify various percentiles for each CPT combination. 23,036 procedures were performed between 6/1/2008 and 6/30/2010. These procedures were described using 2066 unique CPT code combinations. Of these combinations, 53 had an exam frequency greater than 50, with the highest at 1982. These 53 accounted for 17,661 (77%) of the cases. The most common exam, portacath placement had 5th, 25th, 50th, 75th and 95th percentile fluoroscopy times of 0.3, 0.5, 0.8, 1.2, 2.9 minutes respectively. As expected, more difficult procedures such as TIPS, UFE and hepatic chemoembolization had greater fluoroscopy times (Chemoembo 5.2, 8.5, 11, 15.2, 24.3; UFE 11.9, 15.8, 21.5, 28.4, 45.24; TIPS 10.4, 16.8, 29.4, 52.8, 76.2). The process used to collect and analyze this data resulted in a lookup table that provides the expected fluoroscopy time as well as values that might trigger an investigation into what caused an unexpectedly high or low fluoroscopy time. This table is easily updated as new data becomes available. Updates can include more precise measures of radiation use as well as data from new procedures or additional repetitions of preexisting procedures. The table also provides insight into relative procedure difficulty. The results are widely applicable since they are based on a standardized procedural nomenclature (CPT coding). The process is readily expanded to other modalities that describe procedures using CPT codes and record radiation metrics. The 75th percentile is of particular interest since it serves as reference levels that can be compared to published benchmarks (Radiology 2009;253:753)." @default.
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• W2147237029 date "2011-03-01" @default.
• W2147237029 modified "2023-10-16" @default.
• W2147237029 title "Abstract No. 134: Estimating the difficulty of numerous fluoroscopic procedures" @default.
• W2147237029 doi "https://doi.org/10.1016/j.jvir.2011.01.148" @default.
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