INTERSPINOUS SPACER IN PERSISTENT DISCOGENIC PAIN: PERCUTANEOUS APPROACH OR OPEN TECHNIQUE

ESPAÇADOR INTERESPINHOSO EM DOR DISCOGÊNICA PERSISTENTE: ACESSO PERCUTÂNEO OU TÉCNICA A CÉU ABERTO

ESPACIADOR INTERESPINOSO EN DOLOR DISCOGÉNICO PERSISTENTE: VÍA PERCUTÁNEA O TÉCNICA ABIERTA

ABSTRACT

Objective:

To compare the postoperative clinical course of placement of interspinous spacer with open technique (ISO) with percutaneous interspinous spacer (PIS).

Methods:

Quasi-experimental, longitudinal study of 42 patients with discogenic pain uncontrolled with analgesics, aged 35-55 years old, 21 women, and 21 men. Clinical history, location of pain, VAS scale before and after surgery, Oswestry Disability Index and Macnab modified scale at 6 months were used.

Results:

When performing quantitative analysis statistical significance (p = 0.0478, 0.0466, 0.0399) was demonstrated with Student's t test between the results according to VAS scale; in the qualitative analysis with the Oswestry index and Macnab modified scale it was demonstrated the hypothesis that the results is dependent of the surgical technique.

Conclusions:

According to the results, we can conclude that there is a statistically significant difference depending on the surgical technique used with respect to the rate of disability and functionality in daily life as well as in the improvement of pain symptoms.

Keywords:
Low back pain; Spondylolisthesis; Diskectomy; Diskectomy percutaneous.