Zusammenfassung
Die adulte Skoliose ist als frontale strukturelle Seitausbiegung der Wirbelsäule von >10° bei Patienten nach Abschluss des Knochenwachstums definiert. Führende Symptome der Patienten sind der Rückenschmerz, oftmals wird dieser von einer Claudicatio spinalis als Folge einer zentralen, foraminalen oder rezessalen Stenose begleitet. Die pathophysiologisch maßgebliche asymmetrische Degeneration führt zu einer asymmetrischen Lastverteilung, was wiederum die weitere Degeneration und Deformität antreibt (Merkmale: frontale Dekompensation, segmentale Kyphose). Dabei entwickelt sich eine Progression der Skoliose (0,5–1,0°/Jahr) sowie der Kyphose.
Zur Diagnostik gehören Röntgenbilder inklusive Funktionsaufnahmen, MRT, Myelo-CT und invasiv-diagnostische Maßnahmen wie Diskographien, Facettenblockaden, Wurzelblockaden und epidurale Injektionen. Die Therapie (konservativ oder operativ) zielt auf die individuelle Symptomatologie des Patienten. Insbesondere ist die chirurgische Therapie anspruchsvoll und mitunter wegen des Alters und der Komorbiditäten der Patienten, der Ausdehnung der Fusionsstrecke, des Zustands des Anschlusssegments und des Iliosakralgelenks, der Osteoporose oder Osteopenie und eventueller Voroperationen problematisch. Im Falle einer Korrektur ist das Hauptziel die Wiederherstellung der sagittalen und frontalen Balance.
Diese Übersicht befasst sich mit den besonderen Indikationen für die Zementaugmentation bei Osteoporose und der Problematik der Anschlussdegeneration und deren chirurgischem Management.
Abstract
Adult scoliosis is defined as a spinal deformity with a Cobb angle of more than 10° in the coronal plain in a skeletally mature patient. Patients predominantly suffer from back pain symptoms, often accompanied by signs of spinal stenosis (central as well as lateral). Asymmetric degeneration leads to asymmetric load and therefore to a progression of the degeneration and deformity as either scoliosis (0.5–1° per year), kyphosis, or both.
The diagnostic evaluation includes static and dynamic imaging, magnetic resonance imaging, and myelo-computed tomography, as well as invasive diagnostic procedures such as discograms, facet blocks, and epidural and root blocks. The treatment, either conservative or surgical, is then tailored to the patient’s specific symptomatology. Surgical management is usually complex and must take into account an array of specific problems, including the patient’s age and general medical condition, the length of the fusion, the condition of the adjacent segments, the condition of the lumbosacral junction, osteoporosis, and any previous scoliosis surgery. The main goal of corrective surgery is a balancing of the coronal and sagittal planes.
This review focuses on the special indications for vertebral body cement augmentation in patients with osteoporosis and the problem of adjacent level degeneration and its surgical management.
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Quante, M., Richter, A., Thomsen, B. et al. Die operative Behandlung der adulten Skoliose. Orthopäde 38, 159–169 (2009). https://doi.org/10.1007/s00132-008-1391-5
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DOI: https://doi.org/10.1007/s00132-008-1391-5