参考文献:1. Headache classification subcommittee of the International Headache Society. The international classification of headache disorders, 2nd edition. Cephalagia. 2004;24(suppl 1):9鈥?60. 2. Buckley P. Regional analgesia with local anesthetics. In: Loeser JD, editor. The management of pain. 3rd ed. Tokyo: Williams & Wilkins; 2000. p. 1893鈥?66. 3. Murphy TM. Somatic blockade of head and neck. In: Cousins MJ, Bridenbaugh PO, editors. Neural blockade. 3rd ed. Philadelphia: Lippincott-Raven; 1998. p. 489鈥?14. 4. Greher M, Moriggl B, Curatolo M, Kirchmair L, Eichenberger U. Sonographic visualization and ultrasound-guided blockade of the greater occipital nerve: a comparison of two selective techniques confirmed by anatomical dissection. Br J Anaesth. 2010;104:637鈥?2. 5. Okuda Y, Ishikawa K, Usui Y, Nagao M, Ikeda T, Kitajima T. Use of an ultrasound doppler flowmeter for occipital nerve block. Reg Anesth Pain Med. 2002;27:444鈥?.