Unilateral discectomy: outcomes, postoperative pain, complications
In low back pain management surgery is currently commonly used with a new technique called minimally invasive discectomy, while open discectomy is still preferable in many cases. In this regard, the efficacy of tubular discectomy (TD) were compared with conventional standard lumbar disc procedure (conventional microdiscectomy). This study was performed as a clinical trial conducted on patients who were under TD and conventional microdiscectomy using unilateral retractor at Bou Ali, Mehrad, Laleh Hospitals during the years 2001 to 2017. The pain score was determined based on the use of Visual Analogue Scale (VAS). The Roland Morris Disability Questionnaires (RMQ) and mean Oswestry disability index (ODI) were also calculated. Our findings revealed that the two groups were similar in terms of demographic characteristics (age, sex, body mass index, etc.) (p> 0.05). The findings indicated the superiority of TD over the classic approach. The mean scores of ODI in conventional microdiscectomy and TD groups were reported as 12.53 ± 7.09 and 9.51 ± 7.83, respectively. ODI revealed that patients with TD surgery had less disability in lifting objects, sitting, standing, and traveling. In the conventional microdiscectomy group, 12 (20%) patients were affected by complications of surgery, but no complication was reported in any patient with TD (p = 0.000). The mean index of Roland Morris disability in the conventional microdiscectomy and TD groups were estimated to be 6.033 ± 2.98 and 3.73 ± 3.25 (p = 0.000). However, both groups did not differ in terms of visual scores for pain and relapse (p > 0.05). Our study demonstrates that disease relapse within 6 months after the surgery, the RMQ and the ODI values were significantly better in TD than the other group.
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