Intraoperative assessment of hindfoot alignment using C-arm fluoroscopy
- 주제(키워드) Hindfoot alignment , Intraoperative measurement , C-arm fluoroscopy
- 주제(DDC) 610
- 발행기관 아주대학교 일반대학원
- 지도교수 박영욱
- 발행년도 2024
- 학위수여년월 2024. 8
- 학위명 석사
- 학과 및 전공 일반대학원 의학과
- 실제URI http://www.dcollection.net/handler/ajou/000000034122
- 본문언어 영어
- 저작권 아주대학교 논문은 저작권에 의해 보호받습니다.
초록/요약
Background: Hindfoot malalignment can cause various foot and ankle problems. For better surgical performance and correction of hindfoot malalignments, reliable intraoperative determination of hindfoot alignment is essential. However, there is no standard method for the intraoperative assessment of hindfoot alignment. We devised an intraoperative modified Méary posteroanterior (IOPPA) view to assess intraoperative hindfoot alignment. This study aimed to compare this intraoperative method with other radiographic hindfoot alignment measurements. Methods: Thirty-seven patients (47 feet) with various foot and ankle conditions scheduled to undergo surgery were prospectively recruited. Before surgery, the Saltzman, long axial, and modified Méary views were taken in a controlled and standardized fashion. IOPPA views were obtained under simulated weight bearing conditions using C-arm fluoroscopy in the operating room before surgery. The relationship between the IOPPA view and the three radiographic hindfoot alignments was evaluated using Pearson’s correlation. Results: The mean hindfoot alignment angle was varus 3.50 degrees (CI, varus 1.91 to 5.08) on the Saltzman view, varus 2.00 degrees (CI, varus 0.60 to 3.39) on the long axial view, varus 0.13 degrees (CI, valgus 1.41 to varus 1.67) on the modified Méary view, and varus 1.32 degrees (CI, valgus 0.02 to varus 2.65) on IOPPA view. The IOPPA view and the three other hindfoot alignment views were found to be significantly correlated (r = 0.60 for the Saltzman view, r = 0.50 for the long axial view, r = 0.71 for the modified Méary view, P < .05). The intraobserver ICC (Intraclass Correlation Coefficient) value was 0.974 and interobserver ICC (Intraclass Correlation Coefficient) value was 0.988 for the IOPPA view (P < .001). Conclusion: There was a statistically significant correlation between the IOPPA view and the other three hindfoot alignment views. We also found that interobserver and intraobserver ICC values were excellent. This study proposes that the IOPPA view can be used as a reliable intraoperative assessment tool for hindfoot alignment.
more목차
I. Introduction 1
II. Materials and Methods 3
A. Participants 3
B. Saltzman View 4
C. Long Axial View 5
D. Modified Méary View 6
E. Intraoperative Modified Méary View 8
F. Statistics 10
III. Results 11
IV. Discussion 14
V. Conclusion 20
References 21
국문요약 25
