[Prolonged sacral anesthesia with buprenorphine in combination with a local anesthetic in the treatment of chronic pain of oncologic patients with lesions of organs of the small pelvis]

MeSH terms

• Anesthesia*
• Anesthetics, Local / administration & dosage*
• Buprenorphine / administration & dosage*
• Chronic Disease
• Female
• Humans
• Male
• Middle Aged
• Pain / drug therapy
• Pain Management*
• Pelvic Neoplasms / physiopathology*
• Sacrum*
• Time Factors