Overall, the evidence is limited, conflicting, and of low quality. The evidence was mostly of low or very low quality. These studies reported only minor side effects, but since some studies did not report this information we can draw no firm conclusions about the safety of LASB. Only six studies reported on the type and amount of side effects.
#Bm f gesundheit skin
One small study found that injecting the thoracic (upper back) sympathetic nerves with local anaesthetic and steroid was better than injecting the same drugs just under the skin at one-year follow-up, but the study may have been prone to bias. While a number of small studies compared LASB to other treatments, most did not find that LASB was better.
We did not find evidence that LASB was better than placebo in reducing pain, or that it provided additional pain relief when added to rehabilitation. In September 2015, we found a limited number of small trials, all of which had design flaws. This updated review aimed to summarise the available evidence regarding whether LASB is effective at reducing pain in CRPS, how long any pain relief might last, and whether LASB is safe. The injection of a local anaesthetic drug around the nerves temporarily blocks the function of the nerves. The sympathetic nervous system mainly controls unconscious actions such as heart rate, blood flow, and perspiration. It involves blocking the activity of sympathetic nerves alongside the spine. Local anaesthetic sympathetic blockade (LASB) is a common treatment for complex regional pain syndrome (CRPS).
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