Correlating preoperative imaging with intraoperative fluoroscopy in iliosacral screw placement

Journal of Orthopaedics and Traumatology

Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 3 Summary of the measured inlet and outlet angles for the preoperative CT, intraoperative fluoroscopic views, and postoperative CT scan for each patient

Patient	Preop CT inlet	Fluoro inlet	Postop CT inlet	Preop CT outlet	Fluoro outlet	Postop CT outlet
1	13	22	15	47	40	40
2	25	30	23	41	50	45
3	19	20	22	47	45	47
4	37	32	31	44	42	44
5	23	20	23	39	40	42
6	9	30	8	44	43	44
7	18	26	19	59	52	56
8	19	21	20	45	40	44
9	7	12	8	46	40	42
10	22	30	25	38	42	40
11	10	19	8	46	41	47
12	27	31	25	42	42	39
13	32	28	28	47	50	52
14	21	21	18	30	29	33
15	17	20	16	45	40	40
16	24	30	23	43	51	44
17	12	18	9	43	42	41
18	21	27	20	41	45	46
19	10	15	8	56	51	55
20	22	30	21	42	39	44
21	21	27	21	41	40	43
22	28	29	25	30	35	34
23	32	38	31	42	40	44
24	24	23	19	30	38	31
Average	20.5	24.9	19.4	42.8	42.4	43.2
Range	7–37	12–38	8–31	30–59	29–52	31–56