Die sagittale Wirbelsäulenbalance – klinische Bedeutung und radiologische Bemessung

Decker, Sebastian; Müller, Christian; Omar, Mohamed; Krettek, Christian; Schwab, Frank J.; Trobisch, Per

doi:10.1055/s-0041-109327

Cited by 10 publications

(7 citation statements)

References 16 publications

(16 reference statements)

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“…Bereits eine sagittale Imbalance kann durch die benötigte Mehrarbeit der Muskeln mit Beschwerden einhergehen [8]. Merke Nachteil des Cobb-Winkels ist, dass die Rotation und Torsion der Wirbelsäule vernachlässigt werden.…”

Section: Caveunclassified

Bildgebung der Wirbelsäule

Butscher,

Langheinirch,

Kandziora

2023

Orthopädie und Unfallchirurgie up2date

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Section: Caveunclassified

Bildgebung der Wirbelsäule

Butscher,

Langheinirch,

Kandziora

2023

Orthopädie und Unfallchirurgie up2date

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“…It is possible that the increased body weight causes pressure on the spine which, thus, also influences the spinal balance due to the altered lordosis and kyphosis. This is based on the theory that the sagittal alignment of the spine is primarily stabilized by the balance between lumbar lordosis, thoracic kyphosis, and the pelvic position [ 46 ]. This is accompanied by energy-consuming compensatory mechanisms in the spine, pelvis, and lower extremities.…”

Section: Discussionmentioning

confidence: 99%

Association between constitution, axiography, orthodontic cast analysis, and upper body posture in women aged 31 to 40 years

et al. 2023

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Objective Whether it is primarily the spine that reacts with pain to the negative consequences of everyday stress and possibly the temporomandibular system as a result (ascending chain), or whether incorrect stress in the dental area has an influence on body geometry (descending chain), is still a controversially discussed topic. The aim of this study is to investigate possible relationships between constitutional, axiographic, and dental parameters with upper body posture. Material and methods A total of 106 subjectively healthy women between 31 and 40 years of age voluntarily participated in this study. Data collection was done by filling out a questionnaire with constitutional and anamnestic parameters and by evaluating orthodontic casts, axiographic measurements, and video raster stereographic measurements. These data were analyzed using correlations and group comparisons, with the significance level set at p ≤ 0.05. Results Positive correlations were shown between the constitutional factors of body weight and BMI and the lumbar bending angle (p = 0.01), the kyphosis angle (p = 0.001), and lordosis angle (weight p = 0.05; BMI p = 0.03). In the cast analysis, regardless of the direction of the midline shift (left/right/none), a left lateral tilt can be seen which is greatest at 2.12° with a left midline shift. In addition, the elevated pelvic side correlates with the side of the displacement of the jaw, with the stronger manifestation being on the left side. With a vertical anterior bite in the normal range, the kyphosis angle is 48.09°, while with a deep bite, it is 60.92°, and with an open bite, it is 62.47°; thus, the group in the normal range differs significantly (p = 0.01) from the other two. The greater the protrusion, the smaller the sagittal plane angles (kyphosis angle, lumbar bending angle, each p = 0.03), and the more dorsal the posture (p = 0.04). The lordosis angle differs significantly (p = 0.001) between the group of subjects with a protrusion in the normal range (52.34°) and the group with an increased advancement of the mandible (41.79°). Conclusion There is a correlation between body weight, BMI, midline shift, and protrusion, as well as the vertical anterior step and upper body posture in women between 31 and 40 years of age. Interdisciplinary functional examinations of the temporomandibular musculature, and also sustained orthodontic treatment, can contribute to an improvement in upper body posture.

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“…There are several important morphological indicators of the alignment of spine and pelvis, including sagittal vertical axis (SVA), lumbar lordosis, pelvic incidence, pelvic tilt, and sacral slope. Among them, SVA is the most common parameter used for the evaluation of overall spinal alignment, which represents the sagittal curvature of the spine [25]. SVA can be used to determine the relationship between the spine and pelvis, and has a normal range.…”

Section: Discussionmentioning

confidence: 99%

Artificial Intelligence for Automatic Measurement of Sagittal Vertical Axis Using ResUNet Framework

Weng¹,

Wang

Huang

et al. 2019

JCM

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We present an automated method for measuring the sagittal vertical axis (SVA) from lateral radiography of whole spine using a convolutional neural network for keypoint detection (ResUNet) with our improved localization method. The algorithm is robust to various clinical conditions, such as degenerative changes or deformities. The ResUNet was trained and evaluated on 990 standing lateral radiographs taken at Chang Gung Memorial Hospital, Linkou and performs SVA measurement with median absolute error of 1.183 ± 0.166 mm. The 5-mm detection rate of the C7 body and the sacrum are 91% and 87%, respectively. The SVA calculation takes approximately 0.2 s per image. The intra-class correlation coefficient of the SVA estimates between the algorithm and physicians of different years of experience ranges from 0.946 to 0.993, indicating an excellent consistency. The superior performance of the proposed method and its high consistency with physicians proved its usefulness for automatic measurement of SVA in clinical settings.

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Die sagittale Wirbelsäulenbalance – klinische Bedeutung und radiologische Bemessung

Cited by 10 publications

References 16 publications

Bildgebung der Wirbelsäule

Bildgebung der Wirbelsäule

Association between constitution, axiography, orthodontic cast analysis, and upper body posture in women aged 31 to 40 years

Artificial Intelligence for Automatic Measurement of Sagittal Vertical Axis Using ResUNet Framework

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