Resumen

CORTINAS SAENZ, M. et al. Bloqueo caudal en dolor crónico lumbar: ¿Es necesario el apoyo radiológico para disminuir los fallos de la técnica?. Rev. Soc. Esp. Dolor [online]. 2012, vol.19, n.4, pp.174-180. ISSN 1134-8046.

Introduction: epidural steroid injections offer no long-term benefit for the treatment of low back pain but may be effective in the small subset of patients with acute lumbosacral radicular pain. Caudal epidural steroid injection was effective in producing short-term improvement (level II evidence) as well as long-term relief (level III evidence). Objetives: to evaluate of the effectiveness of the caudal epidural block under fluoroscopic guidance. Material and methods: prospective, observational and descriptive study to assess the failure rates of caudal block using the technique "blind" with respect to radiological vision. Statistical comparisons were based on the chi2 test, the long-rank test, t test and ANOVA test, considering a statistically significant result p < 0.05. Results: we performed 129 caudal epidural blocks in 89 patients for chronic pain conditions. The overall success rate of caudal block with a blind technique was of 65.11%. Statistically significant differences in the rate of technical failure of the blind for the variables professional experience of the anesthesiologist and the presence of obesity. The most common malposition in our cohort is the subcutaneous placement of the needle. Conclusions: we recommend the use of radiological vision to perform the epidural caudal procedures.

Palabras clave : Caudal Block; Epidural; Fluoroscopic; Spine; Pain.

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