The Use of T1 Sagittal Angle in Predicting Cervical Disc Degeneration
Study DesignRetrospective evaluation.PurposeTo analyze the effect of T1 slope on degree of degeneration in patients with cervical disc degeneration.Overview of LiteratureThe T1 slope is well known parameter that may be very useful in evaluating sagittal balance. There are no reports on the analysis...
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Korean Spine Society
2015-10-01
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Series: | Asian Spine Journal |
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Online Access: | http://www.asianspinejournal.org/upload/pdf/asj-9-757.pdf |
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author | Bong-Seok Yang Su-Keon Lee Kyung-Sub Song Sang-Pil Yoon Geun Jang Chae-Chul Lee Seong-Hwan Moon Hwan-Mo Lee Seung-Hwan Lee |
author_facet | Bong-Seok Yang Su-Keon Lee Kyung-Sub Song Sang-Pil Yoon Geun Jang Chae-Chul Lee Seong-Hwan Moon Hwan-Mo Lee Seung-Hwan Lee |
author_sort | Bong-Seok Yang |
collection | DOAJ |
description | Study DesignRetrospective evaluation.PurposeTo analyze the effect of T1 slope on degree of degeneration in patients with cervical disc degeneration.Overview of LiteratureThe T1 slope is well known parameter that may be very useful in evaluating sagittal balance. There are no reports on the analysis of the relationship between T1 slope and cervical disc degeneration. We hypothesized that T1 slope has an effect on the degree of cervical degeneration.MethodsSixty patients who had cervical spine magnetic resonance imaging (MRI) in our orthopedic clinic were enrolled. Patients were divided into two groups according to T1 slope. Radiologic parameters obtained from radiography and cervical spine MRI were compared between low T1 slope group (≤25) and high T1 slope group (>25).ResultsAmong low T1 slope group, average degeneration grade of each cervical segment was 2.65 in C2-3, 2.50 in C3-4, 2.62 in C4-5, 3.23 in C5-6, and 2.81 in C6-7. And that of high T1 group was 2.35 in C2-3, 2.32 in C3-4, 2.59 in C4-5, 2.79 in C5-6, and 2.32 in C6-7. Grade of degeneration of low T1 group was significantly higher, as compared with high T1 group in C5-6 (p=0.028) and C6-7 (p=0.009). Percentage of high grade degeneration of more than grand III was 65.4% in low T1 group and 32.4% in high T1 group (p=0.018). Risk of high grade degeneration of C6-7 was significantly higher in low T1 group (odds ratio, 5.63; 95% confidence interval, 1.665-19.057; p=0.005).ConclusionsPatients with low T1 slope had higher grade of degeneration regardless of age and gender. Low T1 slope is a potential risk factor of cervical spondylosis especially in the C6-7 cervical segment. |
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institution | Directory Open Access Journal |
issn | 1976-1902 1976-7846 |
language | English |
last_indexed | 2024-04-13T07:13:32Z |
publishDate | 2015-10-01 |
publisher | Korean Spine Society |
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spelling | doaj.art-a3731d7323aa4cb289c11d2c479770402022-12-22T02:56:49ZengKorean Spine SocietyAsian Spine Journal1976-19021976-78462015-10-019575776110.4184/asj.2015.9.5.757842The Use of T1 Sagittal Angle in Predicting Cervical Disc DegenerationBong-Seok Yang0Su-Keon Lee1Kyung-Sub Song2Sang-Pil Yoon3Geun Jang4Chae-Chul Lee5Seong-Hwan Moon6Hwan-Mo Lee7Seung-Hwan Lee8Department of Orthopaedic Surgery, Gwangmyeong Sungae Hospital, Gwangmyeong, Korea.Department of Orthopaedic Surgery, Gwangmyeong Sungae Hospital, Gwangmyeong, Korea.Department of Orthopaedic Surgery, Gwangmyeong Sungae Hospital, Gwangmyeong, Korea.Department of Orthopaedic Surgery, Gwangmyeong Sungae Hospital, Gwangmyeong, Korea.Department of Orthopaedic Surgery, Gwangmyeong Sungae Hospital, Gwangmyeong, Korea.Department of Orthopaedic Surgery, Gwangmyeong Sungae Hospital, Gwangmyeong, Korea.Department of Orthopaedic Surgery, Yonsei University College of Medicine, Seoul, Korea.Department of Orthopaedic Surgery, Yonsei University College of Medicine, Seoul, Korea.Department of Orthopaedic Surgery, Gwangmyeong Sungae Hospital, Gwangmyeong, Korea.Study DesignRetrospective evaluation.PurposeTo analyze the effect of T1 slope on degree of degeneration in patients with cervical disc degeneration.Overview of LiteratureThe T1 slope is well known parameter that may be very useful in evaluating sagittal balance. There are no reports on the analysis of the relationship between T1 slope and cervical disc degeneration. We hypothesized that T1 slope has an effect on the degree of cervical degeneration.MethodsSixty patients who had cervical spine magnetic resonance imaging (MRI) in our orthopedic clinic were enrolled. Patients were divided into two groups according to T1 slope. Radiologic parameters obtained from radiography and cervical spine MRI were compared between low T1 slope group (≤25) and high T1 slope group (>25).ResultsAmong low T1 slope group, average degeneration grade of each cervical segment was 2.65 in C2-3, 2.50 in C3-4, 2.62 in C4-5, 3.23 in C5-6, and 2.81 in C6-7. And that of high T1 group was 2.35 in C2-3, 2.32 in C3-4, 2.59 in C4-5, 2.79 in C5-6, and 2.32 in C6-7. Grade of degeneration of low T1 group was significantly higher, as compared with high T1 group in C5-6 (p=0.028) and C6-7 (p=0.009). Percentage of high grade degeneration of more than grand III was 65.4% in low T1 group and 32.4% in high T1 group (p=0.018). Risk of high grade degeneration of C6-7 was significantly higher in low T1 group (odds ratio, 5.63; 95% confidence interval, 1.665-19.057; p=0.005).ConclusionsPatients with low T1 slope had higher grade of degeneration regardless of age and gender. Low T1 slope is a potential risk factor of cervical spondylosis especially in the C6-7 cervical segment.http://www.asianspinejournal.org/upload/pdf/asj-9-757.pdfIntervertebral disc degenerationCervical spineT1 slopeMagnetic resonance imaging |
spellingShingle | Bong-Seok Yang Su-Keon Lee Kyung-Sub Song Sang-Pil Yoon Geun Jang Chae-Chul Lee Seong-Hwan Moon Hwan-Mo Lee Seung-Hwan Lee The Use of T1 Sagittal Angle in Predicting Cervical Disc Degeneration Asian Spine Journal Intervertebral disc degeneration Cervical spine T1 slope Magnetic resonance imaging |
title | The Use of T1 Sagittal Angle in Predicting Cervical Disc Degeneration |
title_full | The Use of T1 Sagittal Angle in Predicting Cervical Disc Degeneration |
title_fullStr | The Use of T1 Sagittal Angle in Predicting Cervical Disc Degeneration |
title_full_unstemmed | The Use of T1 Sagittal Angle in Predicting Cervical Disc Degeneration |
title_short | The Use of T1 Sagittal Angle in Predicting Cervical Disc Degeneration |
title_sort | use of t1 sagittal angle in predicting cervical disc degeneration |
topic | Intervertebral disc degeneration Cervical spine T1 slope Magnetic resonance imaging |
url | http://www.asianspinejournal.org/upload/pdf/asj-9-757.pdf |
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