Jürgen Krämer

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BACKGROUND Despite the popularity of acupuncture, evidence of its efficacy for reducing pain remains equivocal. OBJECTIVE To assess the efficacy and safety of traditional Chinese acupuncture (TCA) compared with sham acupuncture (needling at defined nonacupuncture points) and conservative therapy in patients with chronic pain due to osteoarthritis of the(More)
In recent years the processing of continuous queries over potentially infinite data streams has attracted a lot of research attention. We observed that the majority of work addresses individual stream operations and system-related issues rather than the development of a general-purpose basis for stream processing systems. Furthermore, example continuous(More)
Two controlled studies for a new epidural, perineural, singleshot, selective nerve root injection with a double-needle approach to the anterior epidural space of the lumbar spinal canal are presented. The results were analysed to determine the effectiveness of the new epidural perineural injection technique. The trial comprised two controlled studies on 182(More)
STUDY DESIGN Prospective, double-blind, reference-controlled, investigator-initiated, single center. OBJECTIVE To evaluate the efficacy of Autologous Conditioned Serum (ACS; Orthokine) for the treatment of lumbar radicular compression in comparison to triamcinolone. SUMMARY OF BACKGROUND DATA Evidence from animal studies indicates that cytokines such as(More)
STUDY DESIGN Fifty-five consecutive patients undergoing microdiskectomy due to lumbar disc herniation were included in this clinical study over 12 months. OBJECTIVES To investigate possible correlations between the histologic composition of the herniated disc fragments and pain, disability, clinical signs, and operative findings. SUMMARY OF BACKGROUND(More)
Lumbar disc infection, either after surgical discectomy or caused by haematogenous spread from other infection sources, is a severe complication. Specific antibiotic treatment has to be started as soon as possible to obtain satisfactory results in conservative treatment or operative fusion. The aim of this study was to analyse 16 cases of lumbar disc(More)