Abstracts Posters SICOT-SOF meeting Gothenburg 2010 _2_

Poster
Topic: Spine
Abstract number: 25930
FUNCTIONAL OUTCOMES AFTER PLACEMENT OF THE INTERSPINOUS
DEVICE WALLIS RATE IN PATIENTS WITH SCIATICA FOR L4-L5 DISC
HERNIATION. FOLLOW-UP TO 3 YEARS.
Carlos SUAREZ AHEDO, Efrain FARIAS CISNEROS, Claudia OBIL CHAVARRIA,
Felix GIL ORBEZO, Guillermo GARCIA FELIX DIAZ
Hospital Español De Mexico, Mexico City (MEXICO)
Objective: To assess the functional results and postoperative satisfaction in patients
with sciatica for L4-L5 disc herniation were treated surgically by discectomy and
placement of interspinous device in a set period of 3 years. Methods: Fifty patients
(37 men and 13 women, average age 40 years) diagnosed with sciatica for L4-L5
disc herniation, documented by MRI, which were treated by primary lumbar disc
excision followed by fixation of the segment by introducing Wallis interspinous device
in a period of 3 years. The indications for implantation of Wallis were voluminous disc
herniation and preservation of at least 50% of the height of the disc space. Were
assessed pre-and postsurgical results with the implementation of the Oswestry
Disability Index (ODI). Results: The results showed that 67% of patients treated with
the Wallis interspinous device show significant improvement in symptomatology
compared to preoperative, 26% show no improvement over the previous symptoms
and 7% report greater lumbar symptoms. Conclusions: The interspinous implant as
dynamic stabilizers, improve back pain associated with herniated discs, has been
documented that the recurrent disc herniation, lumbar discectomy following a relapse
is usually associated with low back pain intensity with radiation to the thigh and leg
can reach require surgical reintervention for extension of discectomy with or without
fusion. Interspinous implants such as Wallis, belonging to the broad group of
stabilizers that improve the pain associated with lumbar disk herniation as well as the
functionality of the column.
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