Abstract:
BACKGROUND:Percutaneous vertebroplasty (PV) requires relatively lengthy fluoroscopic guidance, which might lead to substantial radiation exposure to patients or operators. The two-fluoroscopic technique (two-plane radiographs obtained using two fluoroscopes) during PV can provide simultaneous two-planar projections with reducing operative time. However, the two-fluoroscopic technique may expose the operator or patient to increased radiation dose. The aim of this study was to quantify the amount of radiation exposure to the patient or operator that occurs during PV using one- vs. two-fluoroscopic technique. METHODS:Two radiation dosimeters were placed on the right flank of each patient and on the upper sternum of each operator during 26 single-level PV procedures by one senior surgeon. The use of two-fluoroscopic technique (13 patients) and one-fluoroscopic technique (13 patients) were allocated in a consecutive and alternative manner. The operative time and mean radiation dose to each patient and operator were monitored and compared between groups. RESULTS:Mean radiation dose to the patient was 1.97±1.20 mSv (95% CI, 0.71 to 3.23) for the one-fluoroscopic technique group vs. 0.95±0.34 mSv (95% CI, 0.85 to 1.23) for the two-fluoroscopic technique group (P=0.031). Mean radiation dose to the operator was 0.27±0.12 mSv (95% CI, 0.17-0.56) for the one-fluoroscopic technique group vs. 0.25±0.14 mSv (95% CI, 0.06-0.44) for the two-fluoroscopic technique group (P=0.653). The operative time was significantly different between groups: 47.15±13.48 min (range, 20-75) for the one-fluoroscopic technique group vs. 36.62±8.42 min (range, 21-50) for the two-fluoroscopic technique group (P=0.019). CONCLUSION:Compared to the one-fluoroscopic technique, the two-fluoroscopic technique used during PV provides not only shorter operative times but also reduces the radiation exposure to the patient. There was no significant difference between the two techniques with regards to radiation exposure to the operator.
journal_name
BMC Musculoskelet Disordjournal_title
BMC musculoskeletal disordersauthors
Li YY,Huang TJ,Cheng CC,Wu MH,Lee CYdoi
10.1186/1471-2474-14-38subject
Has Abstractpub_date
2013-01-22 00:00:00pages
38issn
1471-2474pii
1471-2474-14-38journal_volume
14pub_type
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