Effect of Posterior Spinal Fusion on Spinal Balance in Idiopathic Scioliosis

Bassett, George S.; Hensinger, Mary C.; Keiper, Mark D.

doi:10.1097/01241398-198911000-00007

Cited by 11 publications

(5 citation statements)

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“…The authors noted a gradual correction of the RCSLD (and with it, the fusion mass) happening over time, rather than a direct instant improvement (22). As said before, coronal spinal balance showed improvement over time after Harrington instrumentation (23). A significant change in achieving correction and balancing out scoliosis came with the ascent of the Cotrel-Dubousset instrumentation in 1983.…”

Section: Frontal (Im) Balance In Aismentioning

confidence: 83%

“…There is no uniformity in reporting spinal compensation/ decompensation in the literature (19). Some authors use the position of the head, while others rely on the position of the thorax over the pelvis (16,18,(20)(21)(22)(23)(24)(25)(26)(27). According to the Scoliosis Research Society (SRS), "compensation" is the vertical alignment of the center of C7 vertebra over the midpoint of the sacral plateau in the coronal plane.…”

Section: Frontal (Im) Balance In Aismentioning

confidence: 99%

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Frontal and sagittal imbalance in patients with adolescent idiopathic deformity

Kubat

Ovadia

2020

Ann Transl Med

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The human spinal column underwent many significant changes over the 4.5 million years of our ancestral bipedalism. The main change, however, came with acquiring multiple curvatures in the sagittal plane. This alteration seems to have exposed a weakness in our body's keystone and made us susceptible to thus far unbeknown problems of the spine because it has been noted that idiopathic scoliosis has not been observed in other primates. Adolescent idiopathic scoliosis (AIS) is a three-dimensional deformity of the spine causing an imbalance of the trunk as it increases in magnitude. A scoliotic curve comprises three components, the coronal, sagittal, and axial so that each curve can affect the global balance of the body differently. Patients with significant scoliotic deformities often find themselves at a biomechanical disadvantage when it comes to energy expenditure and keeping an upright stance. The pioneers of scoliosis research recognized the need for describing and quantifying deformity to better understand it, so they first translated clinical measurements to radiographs and built from there. The development of concepts like defining a curve by its end vertebrae and measuring its magnitude, assessing global spinal balance, describing the stable zone, and pinpointing the stable vertebra all followed suit. The importance of sagittal balance and restoring sagittal parameters during treatment was emphasized. In a quest to bring order to chaos, some tried to classify various scoliotic curve types. These classifications helped steer treatment decisions but were found lacking in many aspects. So far, a widely accepted three-dimensional classification of scoliosis still does not exist. This review aims to provide the reader with an overview of the development of balance and imbalance concepts in scoliosis.

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Section: Frontal (Im) Balance In Aismentioning

confidence: 83%

Section: Frontal (Im) Balance In Aismentioning

confidence: 99%

Frontal and sagittal imbalance in patients with adolescent idiopathic deformity

Kubat

Ovadia

2020

Ann Transl Med

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“…Decompensation has been reported in a variety of ways: when CB Ն1.0 cm away from midline, 13,15 ; when it exceeds 2 cm away from midline, 3,4,10,14 ; when it exceeds 2.5 cm away from midline, 12 ; or when it is simply worse than the preoperative state. Less consistent is the description of coronal decompensation.…”

Section: Discussionmentioning

confidence: 99%

Assessment of Trunk Balance in Thoracic Scoliosis

Richards¹,

Scaduto²,

Vanderhave³

et al. 2005

Spine

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“…The King classification system was derived with the use of the Harrington distraction system, and generally worked well with the corrective forces imparted to the spine in this way. [4][5][6] The concept of selective fusion, although promising, led to some complications, including the "adding on" of adjacent spinal segments to the scoliotic curve, and truncal decompensation with a shift to the left ( Fig. 12.2).…”

Section: Daniel J Sucatomentioning

confidence: 99%