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Published on: February 24, 2023
DEGENERATIVE STENOSIS OF THE LUMBAR SPINE
Sérgio Zylbersztejn1, Leandro de Freitas Spinelli2, Nilson Rodinei Rodrigues3
1Assistant Professor in the Discipline of Orthopedics and Traumatology, Federal University of Health Sciences, Porto Alegre (UFCSPA); MSc from FMUSP; Coordinator of the Orthopedic Spinal Surgery Service, Santa Casa de Porto Alegre Hospital Complex (CHSCPA), Porto Alegre, RS, Brazil.
Abstract:
This paper presents an update on degenerative stenosis of the lumbar spine, which is a common pathological condition among patients over the age of 65 years. The anamnesis and physical examination need to be precise, since radiography often only provides indirect signs. Magnetic resonance imaging is necessary if the symptoms persist. The treatment for lumbar stenosis is a matter of controversy. However, there seems to be some benefit from surgical treatment rather than conservative treatment, such that surgery brings improvements in symptoms and functions for a period of up to two years.
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In an adult, the spine is subdivided into five regions: the cervical, the thoracic, the lumbar, the sacral, and the coccygeal region. The spine initially develops as a series of 33 vertebrae; after 20 years of age, the nine bones in the sacral region, five sacral, and four coccygeal bones fuse to form...