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In a single-center, randomized trial involving 128 patients with sciatica lasting 4 to 12 months and lumbar disk herniation, diskectomy was superior to conservative care in reducing leg-pain intensity at 6 months after enrollment. Among the patients assigned to conservative care, 34% crossed over to undergo surgery.

AbstractObjectiveTo assess whether percutaneous transforaminal endoscopic discectomy (PTED) is non-inferior to conventional open microdiscectomy in reduction of leg pain caused by lumbar disc herniation.DesignMulticentre randomised controlled trial with non-inferiority design.SettingFour hospitals in the Netherlands.Participants613 patients aged 18-70 years with at least six weeks of radiating leg pain caused by lumbar disc herniation. The trial included a predetermined set of 125 patients receiving PTED who were the learning curve cases performed by surgeons who did not do PTED before the trial.InterventionsPTED (n=179) compared with open microdiscectomy (n=309).Main outcome measuresThe primary outcome was self-reported leg pain measured by a 0-100 visual analogue scale at 12 months, assuming a non-inferiority margin of 5.0. Secondary outcomes included complications, reoperations, self-reported functional status as measured with the Oswestry Disability Index, visual analogue scale for back pain, health related quality of life, and self-perceived recovery. Outcomes were measured until one year after surgery and were longitudinally analysed according to the intention-to-treat principle. Patients belonging to the PTED learning curve were omitted from the primary analyses.ResultsAt 12 months, patients who were randomised to PTED had a statistically significantly lower visual analogue scale score for leg pain (median 7.0, interquartile range 1.0-30.0) compared with patients randomised to open microdiscectomy (16.0, 2.0-53.5) (between group difference of 7.1, 95% confidence interval 2.8 to 11.3). Blood loss was less, length of hospital admission was shorter, and timing of postoperative mobilisation was earlier in the PTED group than in the open microdiscectomy group. Secondary patient reported outcomes such as the Oswestry Disability Index, visual analogue scale for back pain, health related quality of life, and self-perceived recovery, were similarly in favour of PTED. Within one year, nine (5%) in the PTED group compared with 14 (6%) in the open microdiscectomy group had repeated surgery. Per protocol analysis and sensitivity analyses including the patients of the learning curve resulted in similar outcomes to the primary analysis.ConclusionsPTED was non-inferior to open microdiscectomy in reduction of leg pain. PTED resulted in more favourable results for self-reported leg pain, back pain, functional status, quality of life, and recovery. These differences, however, were small and may not reach clinical relevance. PTED can be considered as an effective alternative to open microdiscectomy in treating sciatica.Trial registrationNCT02602093ClinicalTrials.gov NCT02602093.

In a randomized trial involving patients with sciatica, the antiepileptic drug pregabalin, at a dose of up to 600 mg per day, was no more effective than placebo in reducing pain or disability over the course of 8 weeks and resulted in a higher incidence of adverse events. Sciatica is characterized by radiating posterior or posterolateral leg pain, which is sometimes accompanied by back pain, sensory loss, weakness, or reflex abnormalities. 1 – 3 Few clinical guidelines for the treatment of sciatica exist, and evidence regarding effective medical treatments is limited. 2 , 3 Treatment with pregabalin (Lyrica, Pfizer) has been shown to be effective in reducing some types of neuropathic pain, including postherpetic neuralgia and diabetic peripheral neuropathy, 4 , 5 as well as allodynia and hyperalgesia from several conditions, 6 – 8 and some guidelines recommend pregabalin for the treatment of pain with neuropathic features. 5 Pregabalin therefore represents a potential treatment for sciatica. Its . . .

Manual therapy and psychological approaches should be recommended only alongside an exercise programme, while acupuncture or electrotherapies should not be recommended Consider a short course of non-steroidal anti-inflammatory drugs (NSAIDs), or a weak opioid where an NSAID is ineffective or poorly tolerated, and do not offer paracetamol alone for low back pain; and consider neuropathic drugs such as gabapentin and epidural steroids for sciatica Low back pain is the leading cause of long term disability worldwide. 1 The lifetime incidence of low back pain is 58-84%, 2 and 11% of men and 16% of women have chronic low back pain. 3 Back pain accounts for 7% of GP consultations and results in the loss of 4.1 million working days a year. 2 More than 30% of people still have clinically significant symptoms after a year after onset of sciatica. 4 This guideline replaces the National Institute for Health and Care Excellence (NICE) guideline on early management of low back pain in adults (2009) and expands its remit. Guidelines into practice How has your discussion of treatment options been guided by risk stratification? (QI project) What proportion of your patients with low back pain are prescribed paracetamol or co-codamol (exclude those with acute pain prescribed co-codamol because an NSAID is contraindicated, not tolerated, or is ineffective)? (Audit) What proportion of your patients who present with low back pain are referred for imaging (exclude those with suspected cancer, infection, trauma, or inflammatory disease such as spondyloarthritis)? (Audit) Uncertainties for future research The Guideline Development Group identified the following areas as needing further research:

In patients with symptomatic lumbar disk herniation treated with surgery or conservative care, there was no significant association between findings on MRI and clinical outcome at 1 year. Disk herniation persisted in 35% with a favorable outcome and 33% with an unfavorable outcome. Sciatica is a relatively common condition, with a lifetime incidence of 13 to 40%. 1 The most common cause of sciatica is a herniated disk. The natural history of sciatica is favorable, with spontaneous resolution of leg pain within 8 weeks in the majority of patients. 2 Surgery should be offered only if symptoms persist after a period of conservative treatment. However, contrary to what one might expect, given the advancements in diagnostic imaging and surgical techniques, the results after lumbar-disk surgery do not seem to have improved during recent decades. Both classic studies and randomized, controlled trials have shown that during . . .

ObjectivesEvidence comparing the effectiveness of surgical and conservative treatment of symptomatic lumbar disc herniation is controversial. We sought to compare short-term and long-term effectiveness of surgical and conservative treatment in sciatica symptom severity and quality of life in patients with lumbar disc herniation in a routine clinical setting.MethodsA prospective cohort study of a routine clinical practice registry consisting of 370 patients. Outcome measures were the North American Spine Society questionnaire and the 36-Item Short-Form Health Survey to assess patient-reported back pain, physical function, neurogenic symptoms and quality of life. Primary outcomes were back pain at 6 and 12 weeks. Standard open discectomy was assessed versus conservative interventions at 6, 12, 52 and 104 weeks. We filled in missing outcome variable values with multiple imputation, accounted for repeated measures within patients with mixed-effects models and adjusted baseline group differences in relevant prognostic indicators by inverse probability of treatment weighting.ResultsSurgical treatment patients reported less back pain at 6 weeks than those receiving conservative therapy (−0.97; 95% CI −1.89 to −0.09), were more likely to report ≥50% decrease in back pain symptoms from baseline to 6 weeks (48% vs 17%, risk difference: 0.34; 95% CI 0.16 to 0.47) and reported less physical function disability at 52 weeks (−3.7; 95% CI −7.4 to −0.1). The other assessments showed minimal between-group differences with CIs, including the null effect.ConclusionsCompared with conservative therapy, surgical treatment provided faster relief from back pain symptoms in patients with lumbar disc herniation, but did not show a benefit over conservative treatment in midterm and long-term follow-up.

Background Nonsteroidal anti-inflammatory drugs (NSAIDs) are widely used to treat sciatica, despite insufficient evidence from placebo-controlled trials. NSAIDs may cause serious side effects; hence, there is a strong need to clarify their potential beneficial effects in patients with sciatica. Methods This is a multicentre, randomized, placebo-controlled, parallel-group superiority trial. Participants will be recruited among sciatica patients referred to outpatient clinics at hospitals in Norway who have radiating pain below the knee with a severity score of ≥ 4 on a 0–10 numeric rating scale and clinical signs of nerve root or spinal nerve involvement. The intervention consists of oral naproxen 500 mg or placebo twice daily for 10 days. Participants will report the outcomes and adverse events daily using an electronic case report form. The primary endpoint is change in leg pain intensity from baseline to day 10 based on daily observations. The secondary outcomes are back pain intensity, disability, sciatica symptom severity, rescue medication (paracetamol) consumption, opioid use, ability to work or study, 30% and 50% improvement in leg pain, and global perceived change of sciatica/back problem. The outcomes will be analysed using mixed effects models for repeated measurements. The total duration of follow-up is 12 (± 2) days. Discussion This trial aims to evaluate the benefits of naproxen, a non-selective NSAID, in patients with sciatica. No important differences in efficacy have been demonstrated between different NSAIDs in the management of musculoskeletal disorders; hence, the results of this trial will likely be applicable to other NSAIDs. Trial registration ClinicalTrials.gov NCT03347929 . Registered on November 20, 2017.

Patients with sciatica frequently complain about associated back pain. It is not known whether there are prognostic relevant differences in Magnetic Resonance Imaging (MRI) findings between sciatica patients with and without disabling back pain. The study population contained patients with sciatica who underwent a baseline MRI to assess eligibility for a randomized trial designed to compare the efficacy of early surgery with prolonged conservative care for sciatica. Two neuroradiologists and one neurosurgeon independently evaluated all MR images. The MRI readers were blinded to symptom status. The MRI findings were compared between sciatica patients with and without disabling back pain. The presence of disabling back pain at baseline was correlated with perceived recovery at one year. Of 379 included sciatica patients, 158 (42%) had disabling back pain. Of the patients with both sciatica and disabling back pain 68% did reveal a herniated disc with nerve root compression on MRI, compared to 88% of patients with predominantly sciatica (P<0.001). The existence of disabling back pain in sciatica at baseline was negatively associated with perceived recovery at one year (Odds ratio [OR] 0.32, 95% Confidence Interval 0.18-0.56, P<0.001). Sciatica patients with disabling back pain in absence of nerve root compression on MRI at baseline reported less perceived recovery at one year compared to those with predominantly sciatica and nerve root compression on MRI (50% vs 91%, P<0.001). Sciatica patients with disabling low back pain reported an unfavorable outcome at one-year follow-up compared to those with predominantly sciatica. If additionally a clear herniated disc with nerve root compression on MRI was absent, the results were even worse.

The effectiveness of surgery in patients with sciatica due to lumbar disc herniations is not without dispute. The goal of this study was to assess the effects of surgery versus conservative therapy (including epidural injections) for patients with sciatica due to lumbar disc herniation. A comprehensive search was conducted in MEDLINE, EMBASE, CINAHL, CENTRAL, and PEDro up to October 2009. Randomised controlled trials of adults with lumbar radicular pain, which evaluated at least one clinically relevant outcome measure (pain, functional status, perceived recovery, lost days of work) were included. Two authors assessed risk of bias according to Cochrane criteria and extracted the data. In total, five studies were identified, two of which with a low risk of bias. One study compared early surgery with prolonged conservative care followed by surgery if needed; three studies compared surgery with usual conservative care, and one study compared surgery with epidural injections. Data were not pooled because of clinical heterogeneity and poor reporting of data. One large low-risk-of-bias trial demonstrated that early surgery in patients with 6–12 weeks of radicular pain leads to faster pain relief when compared with prolonged conservative treatment, but there were no differences after 1 and 2 years. Another large low-risk-of-bias trial between surgery and usual conservative care found no statistically significant differences on any of the primary outcome measures after 1 and 2 years. Future studies should evaluate who benefits more from surgery and who from conservative care.

Objective To determine whether the faster recovery after early surgery for sciatica compared with prolonged conservative care is attained at reasonable costs.Design Cost utility analysis alongside a randomised controlled trial.Setting Nine Dutch hospitals.Participants 283 patients with sciatica for 6-12 weeks, caused by lumbar disc herniation.Interventions Six months of prolonged conservative care compared with early surgery.Main outcome measures Quality adjusted life years (QALYs) at one year and societal costs, estimated from patient reported utilities (UK and US EuroQol, SF-6D, and visual analogue scale) and diaries on costs (healthcare, patient’s costs, and productivity).Results Compared with prolonged conservative care, early surgery provided faster recovery, with a gain in QALYs according to the UK EuroQol of 0.044 (95% confidence interval 0.005 to 0.083), the US EuroQol of 0.032 (0.005 to 0.059), the SF-6D of 0.024 (0.003 to 0.046), and the visual analogue scale of 0.032 (−0.003 to 0.066). From the healthcare perspective, early surgery resulted in higher costs (difference €1819 (£1449; $2832), 95% confidence interval €842 to €2790), with a cost utility ratio per QALY of €41 000 (€14 000 to €430 000). From the societal perspective, savings on productivity costs led to a negligible total difference in cost (€−12, €−4029 to €4006).Conclusions Faster recovery from sciatica makes early surgery likely to be cost effective compared with prolonged conservative care. The estimated difference in healthcare costs was acceptable and was compensated for by the difference in absenteeism from work. For a willingness to pay of €40 000 or more per QALY, early surgery need not be withheld for economic reasons.Trial registration Current Controlled Trials ISRCTN 26872154.