지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.6
- 수록면
- 86 - 90 (5page)
이용수
초록· 키워드
오류제보하기
Background: Although there are several methods for evaluating bone quality, Hounsfield units (HU), a standardized computed tomography (CT) attenuation coefficient, provide a useful tool for estimating focal bone mineral density (BMD). The aim of this study is to investigate the HU for evaluating the degree of osteoporosis in greater tuberosity with regard to anchor positioning.
Methods: Forty patients diagnosed as normal on shoulder CT were included and categorized according to age and gender. Axially sectioned CT images were processed to 3-dimensional models containing information about bone quality using Mimics (14.11 platform v14.1.1.1 Materialise). Three-dimensional anchors were simulated and positioned according to 6 regions of interest (ROI) in the greater tuberosity classified using Tingart’s system. Mean HU of intra-anchor volumes in the 6 regions was measured.
Results: A significant decrease in HU was observed with increasing age (p=0.0001) and menopause (p<0.001). A significant difference in HU was found between male and female groups with males showing the higher values (p=0.0001). HU of proximal areas of ROI was higher than those of distal areas (p<0.005). However, although mean HU of distal posterior ROI showed the lowest values, no statistically significant difference was found between anterior, middle, and posterior regions (p=0.087).
Conclusions: Mean HU of ROIs provides a tool for preoperative assessment of focal BMD, which is a factor of suture anchor stability and can be used to aid decision-making regarding secure anchor positioning for rotator cuff repair. Our data support that the most secure point is the proximal regions of ROI.
Methods: Forty patients diagnosed as normal on shoulder CT were included and categorized according to age and gender. Axially sectioned CT images were processed to 3-dimensional models containing information about bone quality using Mimics (14.11 platform v14.1.1.1 Materialise). Three-dimensional anchors were simulated and positioned according to 6 regions of interest (ROI) in the greater tuberosity classified using Tingart’s system. Mean HU of intra-anchor volumes in the 6 regions was measured.
Results: A significant decrease in HU was observed with increasing age (p=0.0001) and menopause (p<0.001). A significant difference in HU was found between male and female groups with males showing the higher values (p=0.0001). HU of proximal areas of ROI was higher than those of distal areas (p<0.005). However, although mean HU of distal posterior ROI showed the lowest values, no statistically significant difference was found between anterior, middle, and posterior regions (p=0.087).
Conclusions: Mean HU of ROIs provides a tool for preoperative assessment of focal BMD, which is a factor of suture anchor stability and can be used to aid decision-making regarding secure anchor positioning for rotator cuff repair. Our data support that the most secure point is the proximal regions of ROI.
목차
Introduction
Methods
Results
Discussion
Conclusion
References
참고문헌 (17)
참고문헌 신청
[학술지(정기간행물)] - Aktay SA / 2011 / Analysis of suture anchor eyelet position on suture failure load / Vet Surg 40 (4) : 418 ~ 422
[학술지(정기간행물)] - Barber FA / 1993 / Suture anchor failure strength--an in vivo study / Arthroscopy 9 (6) : 647 ~ 652
[학술지(정기간행물)] - Cummins CA / 2005 / Rotator cuff repair : an ex vivo analysis of suture anchor repair techniques on initial load to failure / Arthroscopy 21 (10) : 1236 ~ 1241
[학술지(정기간행물)] - Ma R / 2011 / Arthroscopic rotator cuff repair : suture anchor properties, modes of failure and technical considerations / Expert Rev Med Devices 8 (3) : 377 ~ 387
[학술지(정기간행물)] - Strauss E / 2009 / The effect of the angle of suture anchor insertion on fixation failure at the tendon-suture interface after rotator cuff repair : deadman’s angle revisited / Arthroscopy 25 (6) : 597 ~ 602
[학술지(정기간행물)] - Barber FA / 1993 / Suture anchor failure strength--an in vivo study / Arthroscopy 9 (6) : 647 ~ 652
[학술지(정기간행물)] - Cummins CA / 2005 / Rotator cuff repair : an ex vivo analysis of suture anchor repair techniques on initial load to failure / Arthroscopy 21 (10) : 1236 ~ 1241
[학술지(정기간행물)] - Ma R / 2011 / Arthroscopic rotator cuff repair : suture anchor properties, modes of failure and technical considerations / Expert Rev Med Devices 8 (3) : 377 ~ 387
[학술지(정기간행물)] - Strauss E / 2009 / The effect of the angle of suture anchor insertion on fixation failure at the tendon-suture interface after rotator cuff repair : deadman’s angle revisited / Arthroscopy 25 (6) : 597 ~ 602
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UCI(KEPA) : I410-ECN-0101-2016-514-001625854