Development process and clinical application of collagenase chemonucleolysis in the treatment of lumbar disc herniation: a narrative review in China

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Abstract

Lumbar disc herniation (LDH) is one of the most common causes of lumbocrural pain. In the past 20 years, the incidence of LDH has increased dramatically. There are many treatments for LDH, including conservative treatment (such as acupuncture and physiotherapy), minimally invasive interventional treatment (such as collagenase chemonucleolysis and radiofrequency ablation) and surgical treatment. The main purpose of this paper is to review the development process and application status of collagenase chemonucleolysis in the treatment of LDH at home and abroad and provide a reference for clinical treatment.

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Herniated Lumbar Intervertebral Disk

Caren G. Solomon, Richard A Deyo, Sohail K Mirza (2016)

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Surgical interventions for lumbar disc prolapse: updated Cochrane Review.

Gordon Waddell, Kyle J. Gibson (2007)

An updated Cochrane Review. To assess the effects of surgical interventions for the treatment of lumbar disc prolapse. Disc prolapse accounts for 5% of low back disorders yet is one of the most common reasons for surgery. There is still little scientific evidence supporting some interventions. Use of standard Cochrane review methods to analyze all randomized controlled trials published up to January 1, 2007. Forty randomized controlled trials (RCTs) and 2 quasi-RCTs were identified. Many of the early trials were of some form of chemonucleolysis, whereas the majority of the later studies either compared different techniques of discectomy or the use of some form of membrane to reduce epidural scarring. Four trials directly compared discectomy with conservative management, and these give suggestive rather than conclusive results. However, other trials show that discectomy produces better clinical outcomes than chemonucleolysis, and that in turn is better than placebo. Microdiscectomy gives broadly comparable results to standard discectomy. Recent trials of an interposition gel covering the dura (5 trials) and of fat (4 trials) show that they can reduce scar formation, although there is limited evidence about the effect on clinical outcomes. There is insufficient evidence on other percutaneous discectomy techniques to draw firm conclusions. Three small RCTs of laser discectomy do not provide conclusive evidence on its efficacy. There are no published RCTs of coblation therapy or transforaminal endoscopic discectomy. Surgical discectomy for carefully selected patients with sciatica due to lumbar disc prolapse provides faster relief from the acute attack than conservative management, although any positive or negative effects on the lifetime natural history of the underlying disc disease are still unclear. The evidence for other minimally invasive techniques remains unclear except for chemonucleolysis using chymopapain, which is no longer widely available.