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Trends in Calcium Channel Blocker Use in Patients with Heart Failure with Reduced Ejection Fraction and Comorbid Atrial Fibrillation.
Cholack, George; Garfein, Joshua; Krallman, Rachel; Montgomery, Daniel; Kline-Rogers, Eva; Rubenfire, Melvyn; Bumpus, Sherry; Md, Thomas Cascino; Barnes, Geoffrey D.
Affiliation
  • Cholack G; Department of Internal Medicine, Division of Cardiovascular Medicine, Michigan Medicine, Ann Arbor; Oakland University William Beaumont School of Medicine, Rochester, Mich.
  • Garfein J; Department of Internal Medicine, Division of Cardiovascular Medicine, Michigan Medicine, Ann Arbor.
  • Krallman R; Department of Internal Medicine, Division of Cardiovascular Medicine, Michigan Medicine, Ann Arbor.
  • Montgomery D; Department of Internal Medicine, Division of Cardiovascular Medicine, Michigan Medicine, Ann Arbor.
  • Kline-Rogers E; Department of Internal Medicine, Division of Cardiovascular Medicine, Michigan Medicine, Ann Arbor.
  • Rubenfire M; Department of Internal Medicine, Division of Cardiovascular Medicine, Michigan Medicine, Ann Arbor.
  • Bumpus S; Department of Internal Medicine, Division of Cardiovascular Medicine, Michigan Medicine, Ann Arbor; School of Nursing, College of Health and Human Services, Eastern Michigan University, Ypsilanti.
  • Md TC; Department of Internal Medicine, Division of Cardiovascular Medicine, Michigan Medicine, Ann Arbor.
  • Barnes GD; Department of Internal Medicine, Division of Cardiovascular Medicine, Michigan Medicine, Ann Arbor. Electronic address: gbarnes@umich.edu.
Am J Med ; 134(11): 1413-1418.e1, 2021 11.
Article de En | MEDLINE | ID: mdl-34245675
ABSTRACT

BACKGROUND:

Heart failure with reduced ejection fraction and atrial fibrillation commonly coexist. Most calcium channel blockers are not recommended in heart failure with reduced ejection fraction, but their use has been seldom evaluated. For patients with heart failure with reduced ejection fraction and comorbid atrial fibrillation, we sought to 1) determine the proportion discharged on contraindicated calcium channel blockers, 2) describe how clinicians' use of these medications at discharge have changed over time, and 3) identify predictors for contraindicated calcium channel blocker prescription at discharge.

METHODS:

We analyzed 395 patients discharged with heart failure with reduced ejection fraction and atrial fibrillation between 2008 and 2018. Discharge on a contraindicated calcium channel blocker (any calcium channel blocker except amlodipine) was the primary outcome. Changes in calcium channel blocker prescription over time were evaluated with a Cochran-Armitage trend test. Multivariable logistic regression was used to identify predictors of calcium channel blocker prescription at discharge.

RESULTS:

Twenty-nine (7.3%) patients were discharged on a contraindicated calcium channel blocker without change over time (Ptrend = .38). Of these, 26 (86.7%) were discharged on multiple atrioventricular nodal blocking medications. Hypertension (odds ratio [OR] 7.87; 95% confidence interval [CI], 1.04-59.40) and female sex (OR 3.01; 95% CI, 1.36-6.67) were both associated with contraindicated calcium channel blocker prescription at discharge while diabetes mellitus was negatively associated with this outcome (OR 0.34; 95% CI, 0.14-0.88).

CONCLUSION:

One in 14 patients with heart failure with reduced ejection fraction and comorbid atrial fibrillation were discharged on a contraindicated calcium channel blocker, without change over time. Most patients were discharged on multiple atrioventricular nodal blockers, highlighting potential need for greater coordination between discharging physicians, pharmacists, and electrophysiology.
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Texte intégral: 1 Collection: 01-internacional Base de données: MEDLINE Sujet principal: Fibrillation auriculaire / Débit systolique / Types de pratiques des médecins / Inhibiteurs des canaux calciques / Contre-indications aux médicaments / Défaillance cardiaque Type d'étude: Etiology_studies / Incidence_studies / Observational_studies / Prognostic_studies / Risk_factors_studies Limites: Aged / Aged80 / Female / Humans / Male / Middle aged Langue: En Journal: Am J Med Année: 2021 Type de document: Article

Texte intégral: 1 Collection: 01-internacional Base de données: MEDLINE Sujet principal: Fibrillation auriculaire / Débit systolique / Types de pratiques des médecins / Inhibiteurs des canaux calciques / Contre-indications aux médicaments / Défaillance cardiaque Type d'étude: Etiology_studies / Incidence_studies / Observational_studies / Prognostic_studies / Risk_factors_studies Limites: Aged / Aged80 / Female / Humans / Male / Middle aged Langue: En Journal: Am J Med Année: 2021 Type de document: Article
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