Presented is the first reported case of an anaphylactoid reaction following Norplant contraceptive implant insertion. The 19-year-old UK woman denied any history of allergic reaction to local anesthesia. After subcutaneous infiltration with 50 mg of 1% lidocaine (without adrenalin), 6 Norplant capsules were inserted through use of the standard insertion technique. Shortly after completion of the procedure, the patient collapsed and had 2 short convulsions. Her blood pressure dropped to 80/40 mm Hg and her radial pulse was 60 beats/minute and thready. Recovery was rapid following administration of intramuscular adrenalin and intravenous hydrocortisone. The woman later recalled a similar episode during a visit to her dentist. An estimated 3 in every 100,000 patients receiving lignocaine hydrochloride have an episode of anaphylaxis in the hospital. In type I hypersensitivity reactions, there is often a history of previous exposure to the allergen, as occurred in this patient. Those undertaking Norplant insertion and removal should be aware of the potential for serious allergic reactions and have access to resuscitative equipment.

译文

提出了第一例报道的Norplant避孕植入物插入后发生类过敏反应的病例。这位19岁的英国妇女否认对局部麻醉有任何过敏反应史。在皮下浸润50 mg 1% 利多卡因 (不含肾上腺素) 后,通过使用标准插入技术插入6个Norplant胶囊。手术完成后不久,患者晕倒并出现2次短暂抽搐。她的血压下降到80/40毫米汞柱,她的桡动脉脉搏是60次/分钟和微弱的。肌肉注射肾上腺素和静脉注射氢化可的松后恢复迅速。这位女士后来在去看牙医时回忆起类似的情节。每100,000名接受盐酸利诺卡因的患者中估计有3名在医院发生过敏反应。在I型超敏反应中,通常有先前暴露于过敏原的病史,如在该患者中发生的。那些进行Norplant插入和移除的人应该意识到严重过敏反应的可能性,并可以使用复苏设备。

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