d="par0005">An evidence-based assessment of sympathetic blocks for abdominal cancer patients showed that the quality of these studies was generally poor due to several limitations.
dd><dt class="label">•dt><dd>d="par0010">Celiac plexus block, regardless of the technique used, improved analgesia and/or decrease in opioid consumption, and decreased opioid–induced adverse effects in comparison with a conventional analgesic treatment, as confirmed by two studies of good quality.
dd><dt class="label">•dt><dd>d="par0015">Superior hypogastric plexus block determined a decrease in pain intensity and a less morphine consumption in one study.
dd><dt class="label">•dt><dd>d="par0020">On the basis of existing evidence, CPB has a strong recommendation in patients with pancreatic cancer pain, while there is a weak recommendation for superior hypogastric plexus block that should be based on individual conditions.
dd>dl>