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1.
Clin Infect Dis ; 33(12): 2055-60, 2001 Dec 15.
Article in English | MEDLINE | ID: mdl-11700576

ABSTRACT

The impact of protease inhibitors (PIs) on emergency department (i.e., emergency room [ER]) visits and hospitalizations was examined among a cohort of human immunodeficiency virus (HIV)-infected and high-risk women followed-up in the HIV Epidemiology Research Study (HERS) from 1993 through 1999. The rates of hospitalization and ER visits were measured as a function of recent or current PI use, age, race, transmission risk category, HERS site, baseline CD4 cell count, and baseline virus load; the PI effect was estimated separately by baseline CD4 cell count. In the HERS, PI use was strongly associated with lower rates of ER visits and hospitalizations for patients with baseline CD4 cell counts of <200 cells/mL (for hospitalizations: rate ratio [RR], 0.54; 95% confidence interval [CI], 0.33-0.89; for ER visits: RR, 0.38; 95% CI, 0.24-0.61). Other factors associated with increased hospitalization and ER use included history of injection drug use, low CD4 cell counts, and high virus loads.


Subject(s)
Emergencies , HIV Infections/drug therapy , HIV Protease Inhibitors/therapeutic use , Adult , CD4-Positive T-Lymphocytes/immunology , Cohort Studies , Female , HIV Infections/immunology , Hospitalization , Humans , Longitudinal Studies , Outcome Assessment, Health Care
2.
J Acquir Immune Defic Syndr ; 28(2): 124-31, 2001 Oct 01.
Article in English | MEDLINE | ID: mdl-11588505

ABSTRACT

BACKGROUND: Research regarding treatment adherence in chronic diseases, such as hypertension, suggests that increasing complexity in the medication regimen is associated with decreasing patient adherence. However, less is known about the relationship between regimen complexity and adherence in the treatment of HIV/AIDS. OBJECTIVE: To examine the relationship between antiretroviral (ART) regimen complexity and patient understanding of correct regimen dosing to adherence (missing doses in the past 1 and 3 days). METHODS: Cross-sectional survey of a cohort of women living with HIV/AIDS and enrolled in the HER (HIV Epidemiologic Research) Study. RESULTS: Seventy-five percent of patients correctly understood the dosing frequency of their ART medications, 80% understood the food-dosing restrictions, whereas only 63% understood both. The percentage of patients with a correct understanding of dosing decreased with increasing regimen complexity (increased dosing frequency and food-dosing restrictions). Patients were more likely to have missed doses in the previous 3 days if they were taking ART medications three or more times per day or had to take one or more antiretrovirals on an empty stomach. A multivariate logistic regression model demonstrated that patients with less complex regimens (twice daily or less in frequency, no food-dosing restrictions) who correctly understood the dosing and food restrictions of their ART regimen were less likely to have skipped doses in the past three days (odds ratio [OR], 0.4; 95% confidence interval [CI], 0.2-0.7) than those with more complex regimens. Younger age and higher CD4 count were also associated with a reduced likelihood of skipping doses. No association was found between adherence and race/ethnicity, current or past injection drug use, or education. CONCLUSIONS: Self-reported adherence is better among patients with less complex ART regimens. This is in part because patients' understanding of regimen dosing decreases as regimen complexity increases. Therefore, simplifying antiretroviral regimens may have an important role in improving patients' adherence.


Subject(s)
Anti-HIV Agents/therapeutic use , HIV Infections/drug therapy , Patient Compliance , CD4 Lymphocyte Count , Cohort Studies , Cross-Sectional Studies , Drug Administration Schedule , Eating , Educational Status , Ethnicity , Fasting , Female , HIV Infections/immunology , HIV Infections/psychology , Humans , Longitudinal Studies , Male , Odds Ratio , Regression Analysis , United States , Viral Load , Women's Health
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