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以腮腺导管移位术治疗眼干症由Filatov等(1950)首先报道。泪液与腮腺唾液的成分相似(附表),因而唾液是理想的泪液替代物。在某些病例,腮腺导管较短,不能达到下结合膜囊内。为解决这一问题,一些学者利用颊粘膜延长腮腺导管的长度。作者采用静脉移植物延长腮腺导管,解决了导管在结合膜缝合部位因张力较大而狭窄或裂开的问题,采用此种方法,成功地解决了2例患者的眼干症状。 附表 泪液与唾液的成分比较
Parotid ductal surgery for the treatment of dry eye is first reported by Filatov et al. (1950). Tear and salivary parotid salivary composition (Schedule), so saliva is the ideal substitute for tears. In some cases, the parotid duct is short and can not reach the lower conjunctival sac. To solve this problem, some scholars use the buccal mucosa to extend the parotid duct length. The authors used intravenous grafts to extend the parotid duct and solved the problem of the catheter being stenosed or slipping because of greater tension in the suture area of the junctional membrane. By this method, the dry eye symptoms of two patients were successfully resolved. Schedule tear and saliva composition comparison