Radiation in Adolescent Idiopathic Scoliosis Management: Estimated Cumulative Pre-Operative, Intra-Operative, and Post-Operative Exposure

Figures & data

Figure 1 Estimated average radiation doses during dedicated periods in AIS management. Total average estimated cumulative dose 5572.74 mrem (55.72mSv).

Table 1 Diagnostic Procedures During Dedicated Periods in AIS Management

Diagnostic Procedures	Average (Range)
Pre-operative x-rays	25.85 ± 15.30 (4–70)
Intra-operative Fluoroscopy	8.72 ± 3.69 (0–21)
Immediate post-operative CT	98 (0–1)
Number of Levels Fused	9.82 ± 2.68 (2–14)
Post-operative x-rays taken within 2 years	26.11 ± 9.47 (6–45)
Total Post-operative CTs within 2 years	5

Table 2 Average Estimated Radiation Dose (Mrem) During Dedicated Periods in AIS Management

Period in AIS Management	Average Dose (mrem)
Pre-operative x-ray	1575.49 ± 915.71
Intra-operative fluoroscopy	1125.88 ± 477.26
Immediate post-operative CT	1205.31 ± 405.68
Total: AIS Diagnosis - Immediate post-operative period	3906.69 ± 1218.77
Post-operative x-ray dose	1579.96 ± 586.55
Repeat CT within 2 years	86.09 ± 330.16
Total: AIS Diagnosis - 2 years post operative period	5572.74 ± 1428.88