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Lumbar facet joint injections and medial branch blocks

IVAN RADOŠ ; Clinic of Anaesthesiology and Intensive Care, Pain Unit, University Hospital Osijek, J.Huttlera 4, 31000 Osijek, Croatia
NEVEN ELEZOVIĆ ; 2Department of Anaesthesiology and Intensive Care, Univesity Hospital Split, Šoltanska 1, 21000 Split, Croatia

Puni tekst: engleski pdf 82 Kb

str. 155-158

preuzimanja: 3.216



Lumbar zygapophyseal joints have been considered a significant source
of chronic low back. The zygapophyseal (facet) joints are true synovial
joints, which connect adjancet vertebrae posteriorly. The medial branch of the posterior primary ramus is responsible for joint sensation.

Symptoms of facet arthropathy include: hip and buttock pain,cramping
lower extremity pain, usually not lower than the knee, low back stiffness, especially in the morning, pain commonly aggravated by prolonged sitting or stending. Signs of lumbar facet arthropathy are: paraspinal tenderness, worse over the affected joint, pain with movements that stresses the joints, i.e., hyperextension, lateral rotation and side bending, hip, buttock, or back pain on straight leg raising, absence of signs of nerve root irritation. Lumbar facet joint injection are performed for theurapeutic and diagnostic reason.
Most studies have found that facet injection provide temporary pain relief. The current recommendations suggest the primary role of facet injection (intra-articular or medial branch block) to be diagnostic. These procedures may facilitate the diagnostic of facet syndrome and help predict if patient would benefit from more permanent measures, such as facet rhizotomy.

Ključne riječi

facet joints; zygapophyseal joints; medial branch blocks

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