RESUMO
AIM: To evaluate the association between frailty and initiating, continuing, or discontinuing secondary prevention medications following myocardial infarction (MI). METHODS: We conducted a cohort study using linked health data, including all adults aged ≥65 years who discharged from hospital following MI from January 2013 to April 2018 in Victoria, Australia (N = 29,771). The Hospital Frailty Risk Score (HFRS) was used to assess frailty. Logistic regression was used to investigate associations of frailty with initiation, continuation, and discontinuation of secondary prevention medications (P2Y12 inhibitor antiplatelets, beta-blockers, renin-angiotensin-aldosterone system (RAAS) inhibitors, and lipid-lowering therapies) in the 90 days from discharge post-MI, by HFRS, adjusted for age, sex, and Charlson Comorbidity Index. RESULTS: Increasing frailty was associated with lower probability of initiating and continuing P2Y12 inhibitors, RAAS inhibitors, and lipid-lowering therapies, but not beta-blockers. At at an HFRS of 0, the predicted probabiliy of having all four medications initiated or continued was 0.59 (95 %CI 0.57-0.62) for STEMI and 0.35 (0.34-0.36) for non-STEMI, compared to 0.38 (0.33-0.42) and 0.16 (0.14-0.18) at an HFRS of 15. Increasing frailty was associated with higher probability of discontinuing these medications post-MI. The predicted probability of discontinuing at least one secondary prevention medication post-MI at an HFRS of 0 was 0.10 (0.08-0.11) for STEMI and 0.14 (0.13-0.15) for non-STEMI, compared to 0.27 (0.22-0.32) and 0.34 (0.32-0.36) at an HFRS of 15. CONCLUSION: People with higher levels of frailty were managed more conservatively following MI than people with lower levels of frailty. Whether this conservative treatment is justified warrants further study.
Assuntos
Fragilidade , Infarto do Miocárdio , Prevenção Secundária , Humanos , Idoso , Masculino , Feminino , Prevenção Secundária/métodos , Infarto do Miocárdio/prevenção & controle , Infarto do Miocárdio/epidemiologia , Idoso de 80 Anos ou mais , Fragilidade/complicações , Estudos de Coortes , Antagonistas Adrenérgicos beta/uso terapêutico , Vitória/epidemiologia , Inibidores da Agregação Plaquetária/uso terapêutico , Hipolipemiantes/uso terapêutico , Idoso Fragilizado/estatística & dados numéricos , Antagonistas do Receptor Purinérgico P2Y/uso terapêuticoRESUMO
OBJECTIVE: To describe changes in glucose-lowering drug (GLD) dispensing by frailty status for people with diabetes following admission for hypoglycaemia or hyperglycaemia. METHODS: This study included all people with probable type 2 diabetes in the state of Victoria, Australia, admitted to hospital for hypoglycaemia (n = 2,506 admissions) or hyperglycaemia (n = 1,693) between 1 July 2013 and 29 June 2017. Frailty was defined via the Hospital Frailty Risk Score (HFRS). We examined differences in dispensing of GLDs in the year before and after admission using linear regression models adjusted for age, sex, comorbidities, and socioeconomic status. RESULTS: Dispensing of GLDs decreased following hypoglycaemia admission. Decreased dispensing was strongly associated with frailty status, with a change in mean annual GLD dispensing count of -4.11 (-5.05, -3.17) for an HFRS of 15 vs. -0.99 (-1.47, -0.50) for an HFRS of 0. Changes were greatest for metformin and sulfonylureas. Following hyperglycaemia admission, the mean number of annual GLD dispensings increased, with a smaller increase with increasing frailty: 2.44 (1.32, 3.56) for an HFRS of 0 vs. 1.16 (0.18, 2.14) for an HFRS of 15. CONCLUSIONS: Frailty was associated with more conservative diabetes medication management following hypoglycaemia and hyperglycaemia admissions.