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versão impressa ISSN 1130-1473


RODRIGUEZ-GARCIA, J. et al. Related factors with the failed surgery of herniated lumbar disc. Neurocirugía [online]. 2005, vol.16, n.6, pp.507-517. ISSN 1130-1473.

Introduction. The surgery for herniated disc is the most common operation at the level of the lumbar spine. The failed surgery rates range between 10% and 40%, conforming what is known as Failed Back Surgery Syndrome (FBSS). Return to work after surgery occurs in 70-85% of the cases. There are a few studies analysing the quality of life after the operation. The aims of this study are to know the incidence of the herniated disc lumbar failed surgery in our area, identify those factors influencing its development, and study behavioural parameters as the return to work and the quality of life at a middle term after surgery, also its relation with the success or failure surgery. Material and methods. A descriptive transversal study of 117 patients operated for herniated lumbar disc during the first six months of the year 2003 is reported. In order to evaluate the incidence of failed surgery and the related factors, the clinical records were retrospectively analyzed. Ninety one patients were interviewed by phone using the Health Questionnaire SF-36, in order to analyze the non clinical factors related to FBSS, such as labour reincorporation, satisfaction with surgery, realization of rehabilitation treatment and quality of life after surgery. For the statistical analysis of the results, we used the program SPSS 11.01. Results. In a sample in which the proportion between both sexes was 1/1, and the middle age was over 45 years [35-54], in which the most frequent clinical symptom was right sciatica, lasting more than 6 months, correlated to disc herniation at L5-S1 level, 37'9% of the patients presented FBSS. Although there were a few patients with reoperation in our study, the incidence of FBSS in these patients was higher (52,9%) than in patients who suffered this surgery for first time (32%). The predictive clinical factors of an unfavourable result in patients operated on for first time were bilateral sciatica, the presence of stenosis associated to herniated disc and comorbidity factors. On the other hand the socio-labor factors identified were a low culture level and those working as drivers, building and service sectors. Return to work occurred in the 64% of the active workers before surgery. Only around 10% of patients were dissatisfied with surgical result and there was a significant relationship between this and the physical function, pain, vitality and emotional status in the SF-36 with the FBSS. Conclusions. One out of three patients operated of herniated lumbar disc in our area presented failed disc surgery and the return to work occurred in 2 out of three patients active before the operation. The failed surgery patient suffers from pain, that interferes and limits the labor and home activities. Furthermore, the patient presents frequent sensation of fatigue and exhaustion and also emotional problems that contribute to interfere with work and activities of the daily life.

Palavras-chave : Herniated disc surgery; Failed surgery; Return to work; Quality of life.

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