• S Tafelski, T Beutlhauser, E Gouliou-Mayerhauser, T Fritzsche, C Denke, and M Schäfer.
• Klinik für Anästhesiologie mit Schwerpunkt operative Intensivmedizin, Charité - Universitätsmedizin Berlin, Campus Charité Mitte und Campus Virchow-Klinikum, Augustenburger Platz 1, 13353, Berlin, Deutschland, sascha.tafelski@charite.de.
• Schmerz. 2015 Apr 1; 29 (2): 186-94.

BackgroundThe prevalence of chronic pain has been estimated to be 19% in the European population and criteria for disabling chronic pain were found in approximately 7% of the German population. Clinical care for these patients is provided in ambulant and hospital-associated facilities. In this context, invasive interventions are part of the diagnosis and treatment of several specific diseases. Current data on the structure of clinical care based regional anesthesia for chronic pain patients in Germany are not available.ObjectiveThis study focused on the application and practice of interventional procedures in the context of pain management.Material And MethodsAn internet-based survey addressing pain facilities and pain specialists in Germany was carried out. The response rate achieved 54%.ResultsOverall 79% of the pain therapists who responded included regional anesthesia techniques in the therapeutic spectrum in up to 25% of patients. The leading indications for invasive procedures were back pain and neuropathic pain. Two thirds of the therapists reported performing a series of blocks. A reduction of pain intensity of 30-50% was often reported as a sufficient criterion for the success of regional anesthesia interventions. Typically, approximately 40% of the chronic pain patients undergoing a series of blocks achieved sufficient pain relief which lasted most commonly for 12 weeks up to 6 months.ConclusionThis survey describes the current structures of specialized pain facilities for regional anesthesia in Germany including responses from predominantly anesthesiologists in a hospital-associated setting. In light of the limited evidence in the literature there is no consensus on the interventional therapeutic management of chronic pain. Especially the application of a series of blocks and the frequency as well as criteria to support continuing or terminating a series of regional anesthesia interventions are not sufficiently evaluated. This survey also gives an incentive for a possible revision of the existing practice in regional anesthesia in the context of multimodal therapy and currently existing guidelines in future clinical studies.

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