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Risk Factors for Non-Adherence to Medications That Affect Surgery: A Retrospective Study in Japan

PURPOSE: Data on risk factors for non-adherence to doctors’ and pharmacists’ instructions to discontinue medications prior to surgery are lacking. This study aimed to identify characteristics and risk factors for such non-adherent patients. PATIENTS AND METHODS: Data (including patient age, sex, pre...

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Detalles Bibliográficos
Autores principales: Akamine, Akihiko, Nagasaki, Yuya, Tomizawa, Atsushi, Arai, Mariko, Atsuda, Koichiro
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Dove 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9270897/
https://www.ncbi.nlm.nih.gov/pubmed/35818372
http://dx.doi.org/10.2147/PPA.S365348
Descripción
Sumario:PURPOSE: Data on risk factors for non-adherence to doctors’ and pharmacists’ instructions to discontinue medications prior to surgery are lacking. This study aimed to identify characteristics and risk factors for such non-adherent patients. PATIENTS AND METHODS: Data (including patient age, sex, prescription medications, comorbidities, presence of roommate at home, and number of days between receiving instruction and surgery) of 887 patients who used medications affecting surgery at a university hospital from April 2017 to March 2020 were retrospectively evaluated. The primary endpoint was to investigate the rate of non-adherence and to explore independent risk factors for non-adherence (with age categorized as ≥65 [versus <65] years). Secondary endpoints included analysis of limited number of departments subgroup and a sensitivity analysis (with age categorized as ≥75 [versus <75] years) to confirm the robustness of the primary endpoint results. Independent risk factors for non-adherence were identified using logistic regression analysis. RESULTS: The non-adherence rate was 11.4% (n=101/887), median age (interquartile range) at admission was 73 (70–79) years, and proportion of male patients was 81.2% (n=82). The main analysis adjusted for age ≥65 (versus <65) years showed age as a risk factor for increased non-adherence (adjusted odds ratio: 2.1, 95% confidence interval: 1.09–4.05; p=0.027). However, analyses adjusted for departments (other than urology, gynecology, and breast surgery, with a large sex bias in hospitalized patients) and for age ≥75 (versus <75) years showed no such risk. CONCLUSION: Age ≥65 years was associated with a higher risk of non-adherence to medications that should be discontinued before surgery. It is important for doctors and pharmacists to ensure that patients at high risk for non-adherence are aware of the importance of adherence. Our findings may help identify patients at high risk for non-adherence to such medications.