منابع مشابه
Fixed Sagittal Plane Imbalance
Study Design Literature review. Objective To discuss the evaluation and management of fixed sagittal plane imbalance. Methods A comprehensive literature review was performed on the preoperative evaluation of patients with sagittal plane malalignment, as well as the surgical strategies to address sagittal plane deformity. Results Sagittal plane imbalance is often caused by de novo scoliosis or i...
متن کاملPedicle subtraction osteotomy for the treatment of fixed sagittal imbalance.
BACKGROUND Fixed sagittal imbalance (a syndrome in which the patient is only able to stand with the weight-bearing line in front of the sacrum) has many etiologies. The most commonly reported technique for correction is the Smith-Petersen osteotomy. Few reports on pedicle subtraction procedures (resection of the posterior elements, pedicles, and vertebral body through a posterior approach) are ...
متن کاملQuality control of reconstructed sagittal balance for sagittal imbalance.
STUDY DESIGN Prospective radiographic study. OBJECTIVE To investigate the feasibility of controlling quality of reconstructed sagittal balance for sagittal imbalance. SUMMARY OF BACKGROUND DATA Patients with sagittal imbalance cannot walk or stand erect without overwork of musculature because of compromised biomechanical advantage. The result is muscle fatigue and activity-related pain. Dur...
متن کاملPedicle subtraction osteotomy for the treatment of fixed sagittal imbalance. Surgical technique.
BACKGROUND Fixed sagittal imbalance (a syndrome in which the patient is only able to stand with the weight-bearing line in front of the sacrum) has many etiologies. The most commonly reported technique for correction is the Smith-Petersen osteotomy. Few reports on pedicle subtraction procedures (resection of the posterior elements, pedicles, and vertebral body through a posterior approach) are ...
متن کاملImbalance Is Fixed Parameter Tractable
In the Imbalance Minimization problem we are given a graph G = (V,E) and an integer b and asked whether there is an ordering v1 . . . vn of V such that the sum of the imbalance of all the vertices is at most b. The imbalance of a vertex vi is the absolute value of the difference between the number of neighbors to the left and right of vi. The problem is also known as the Balanced Vertex Orderin...
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ژورنال
عنوان ژورنال: Global Spine Journal
سال: 2014
ISSN: 2192-5682,2192-5690
DOI: 10.1055/s-0034-1394126