A comparative analysis of sagittal spinopelvic alignment between young and old men without localized disc degeneration View Full Text


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Article Info

DATE

2014-03-09

AUTHORS

Youngbae B. Kim, Yongjung J. Kim, Young-Joon Ahn, Gyu-Bok Kang, Jae-Hyuk Yang, Hyungtae Lim, Seung-Won Lee

ABSTRACT

IntroductionThe purpose of this study was to compare the sagittal spinopelvic parameters between young normal asymptomatic adults and older normal asymptomatic adults without localized segmental disc degeneration.Materials and methodsStanding sagittal radiographs of the whole spine including the pelvis in 342 adult male volunteers (Group 1: n = 184, average age 21.2 years, range 19–28 vs. Group 2: n = 158, average age 63.8 years, range 53–79) were analyzed prospectively. Volunteers with history of spine operation, spinal disease, chronic pain in their back or legs, scoliosis, spondylolisthesis, 1–3 segmental disc space narrowing, and/or compression fractures in radiographs were excluded. The following parameters were included: thoracic kyphosis between T5 upper endplate (UEP) and T12 lower endplate (LEP), thoracolumbar kyphosis (T10 UEP − L2 LEP), T12 LEP-horizontal (H) angle (minus denotes EP above the H line), lumbar lordosis (T12 LEP − S1 UEP), lower lumbar lordosis (L4 UEP − S1 UEP), sacral slope, pelvic incidence and distances from C7 plumb/T12 plumb to the postero-superior endplate of S1. Group 2 (old men group) demonstrated larger thoracic kyphosis (30.1° ± 8.6° vs. 21.1° ± 7.8° in Group 1, P < 0.001), thoracolumbar kyphosis (10.0° ± 7.5° vs. 2.8° ± 7.1° in Group 1, P < 0.001), total lumbar lordosis at T12–S1 (57.3° ± 8.8° vs. 52.2° ± 9.2° in Group 1, P < 0.001), lower lumbar lordosis at L4–S1 (39.4° ± 6.7° vs. 32.4° ± 6.4° in Group 1, P < 0.001), a higher ratio of lower to total lumbar lordosis (69.5 ± 11.6 vs. 62.7 ± 10.6 % in Group 1, P < 0.001) and T12 LEP-H angle (−20.4° ± 5.7° vs. −15.7° ± 5.1° in Group 1, P < 0.001). There were no significant differences in sacral slope (36.5° ± 7.3° in Group 1 vs. 36.8° ± 6.7° in Group 2, P = 0.67) and pelvic incidence (46.5° ± 7.7° in Group 1 vs. 48.2° ± 8.5° in Group 2, P = 0.06). There was no significant difference in the measurement of distance from C7 plumb to the postero-superior endplate of S1 (−0.7 ± 2.4 cm in Group 1 vs. −0.3 ± 2.7 cm in Group 2, P = 0.197). However, the distance from T12 plumb to the postero-superior endplate of S1 (−0.7 ± 1.7 cm in Group 1 vs. −2.2 ± 1.7 cm in Group 2, P < 0.001) demonstrated a significant difference.ConclusionThe old men group demonstrated a significant increase in thoracic kyphosis, thoracolumbar kyphosis, total and lower lumbar lordosis, a higher ratio of lower to total lumbar lordosis, and a longer distance from T12 plumb to the postero-superior endplate of S1 without changes in sacral slope and global sagittal balance. More... »

PAGES

1400-1406

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s00586-014-3236-8

DOI

http://dx.doi.org/10.1007/s00586-014-3236-8

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1003547371

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/24610236


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27 schema:description IntroductionThe purpose of this study was to compare the sagittal spinopelvic parameters between young normal asymptomatic adults and older normal asymptomatic adults without localized segmental disc degeneration.Materials and methodsStanding sagittal radiographs of the whole spine including the pelvis in 342 adult male volunteers (Group 1: n = 184, average age 21.2 years, range 19–28 vs. Group 2: n = 158, average age 63.8 years, range 53–79) were analyzed prospectively. Volunteers with history of spine operation, spinal disease, chronic pain in their back or legs, scoliosis, spondylolisthesis, 1–3 segmental disc space narrowing, and/or compression fractures in radiographs were excluded. The following parameters were included: thoracic kyphosis between T5 upper endplate (UEP) and T12 lower endplate (LEP), thoracolumbar kyphosis (T10 UEP − L2 LEP), T12 LEP-horizontal (H) angle (minus denotes EP above the H line), lumbar lordosis (T12 LEP − S1 UEP), lower lumbar lordosis (L4 UEP − S1 UEP), sacral slope, pelvic incidence and distances from C7 plumb/T12 plumb to the postero-superior endplate of S1. Group 2 (old men group) demonstrated larger thoracic kyphosis (30.1° ± 8.6° vs. 21.1° ± 7.8° in Group 1, P < 0.001), thoracolumbar kyphosis (10.0° ± 7.5° vs. 2.8° ± 7.1° in Group 1, P < 0.001), total lumbar lordosis at T12–S1 (57.3° ± 8.8° vs. 52.2° ± 9.2° in Group 1, P < 0.001), lower lumbar lordosis at L4–S1 (39.4° ± 6.7° vs. 32.4° ± 6.4° in Group 1, P < 0.001), a higher ratio of lower to total lumbar lordosis (69.5 ± 11.6 vs. 62.7 ± 10.6 % in Group 1, P < 0.001) and T12 LEP-H angle (−20.4° ± 5.7° vs. −15.7° ± 5.1° in Group 1, P < 0.001). There were no significant differences in sacral slope (36.5° ± 7.3° in Group 1 vs. 36.8° ± 6.7° in Group 2, P = 0.67) and pelvic incidence (46.5° ± 7.7° in Group 1 vs. 48.2° ± 8.5° in Group 2, P = 0.06). There was no significant difference in the measurement of distance from C7 plumb to the postero-superior endplate of S1 (−0.7 ± 2.4 cm in Group 1 vs. −0.3 ± 2.7 cm in Group 2, P = 0.197). However, the distance from T12 plumb to the postero-superior endplate of S1 (−0.7 ± 1.7 cm in Group 1 vs. −2.2 ± 1.7 cm in Group 2, P < 0.001) demonstrated a significant difference.ConclusionThe old men group demonstrated a significant increase in thoracic kyphosis, thoracolumbar kyphosis, total and lower lumbar lordosis, a higher ratio of lower to total lumbar lordosis, and a longer distance from T12 plumb to the postero-superior endplate of S1 without changes in sacral slope and global sagittal balance.
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35 IntroductionThe purpose
36 L4-S1
37 S1
38 T12-S1
39 adult male volunteers
40 adults
41 alignment
42 analysis
43 angle
44 asymptomatic adults
45 back
46 balance
47 changes
48 chronic pain
49 comparative analysis
50 compression fractures
51 degeneration
52 differences
53 disc degeneration
54 disc space narrowing
55 disease
56 distance
57 endplate
58 fractures
59 global sagittal balance
60 group
61 group 2
62 high ratio
63 history
64 incidence
65 increase
66 kyphosis
67 larger thoracic kyphosis
68 leg
69 long distances
70 lordosis
71 lower endplate
72 lower lumbar lordosis
73 lumbar lordosis
74 male volunteers
75 materials
76 measurement of distance
77 measurements
78 men
79 men group
80 narrowing
81 older men
82 operation
83 pain
84 parameters
85 pelvic incidence
86 pelvis
87 plumb
88 purpose
89 radiographs
90 ratio
91 sacral slope
92 sagittal balance
93 sagittal radiographs
94 sagittal spinopelvic alignment
95 sagittal spinopelvic parameters
96 scoliosis
97 significant differences
98 significant increase
99 slope
100 space narrowing
101 spinal disease
102 spine
103 spine operations
104 spinopelvic alignment
105 spinopelvic parameters
106 spondylolisthesis
107 study
108 thoracic kyphosis
109 thoracolumbar kyphosis
110 total lumbar lordosis
111 upper endplate
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