Lithium use and discontinuation in a health maintenance organization.

Lithium use and discontinuation in a health maintenance organization.
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健康维护组织中锂的使用和停用。

DOI:
10.1176/ajp.153.8.993
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发表时间:
1996
期刊:
The American journal of psychiatry.
影响因子:
--
通讯作者:
McFarland,BH
McFarland,BH
中科院分区:
--
文献类型:
--
作者:
Johnson,RE;McFarland,BH

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几十年来,锂一直被用于治疗双相情感障碍。临床试验和专业诊所的数据证明了其疗效。一个相当有趣的问题是锂在管理式医疗系统中的使用。该项目调查了一家健康维护组织(HMO)的注册人员对锂的使用及其使用的连续性。方法在一项为期6年的纵向队列研究中,研究人员从1986年至1991年对1594名15岁及以上的HMO患者进行了随访。数据来自自动数据库和随机抽取的5%亚样本(N= 74)的病历审查。结果双相情感障碍是最常见的疾病。84% (N= 62或74)的人接受过精神科医生的服务。在6年期间,锂使用的年流行率从每千名HMO成员1.4人增加到2.3人。使用时间差别很大,有些是长期使用,但许多是短期使用。中止治疗与评估的精神科住院率和精神科急诊服务使用率有关。锂盐使用者比同性和年龄的非使用者更有可能接受各种其他精神药物。结论该人群多为偶发用药而非连续用药。停止使用锂与精神病住院有关。如果锂是一种具有成本效益的治疗双相情感障碍的方法,管理护理系统将需要提高对药物治疗方案的依从性。
ObjectiveFor decades, lithium has been prescribed to treat bipolar disorder. Its efficacy has been documented by clinical trials and by data from specialized clinics. An issue of considerable interest is the use of lithium in managed care systems. This project examined the use of lithium and its continuity of use by enrollees of a health maintenance organization (HMO).MethodIn a 6-year longitudinal cohort study, 1,594 lithium users aged 15 years and older who were enrolled in an HMO were followed from 1986-1991. Data were obtained from automated databases and from medical record review of a random 5% subsample of the group (N= 74).ResultsBipolar disorder was the most frequent morbidity treated. Eighty-four percent (N= 62 or 74) received services from a psychiatrist. Annual prevalence of lithium use increased over the 6-year period from 1.4 to 2.3 persons per thousand HMO members. Duration of use varied widely with some long-term but many short-term users. Discontinuation of treatment was associated with evaluated rates of psychiatric hospitalization and use of psychiatric emergency services. Lithium users were much more likely to receive a variety of other psychotropic drugs than nonusers of the same sex and age.ConclusionsLithium use in this population was more often sporadic than continuous. Discontinuation of lithium was associated with psychiatric hospitalization. If lithium is to be a cost-effective treatment for bipolar disorder, managed care systems will need to improve adherence to drug treatment regimens.
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