TY - JOUR
T1 - Adverse Events Associated With Coprescription of Phosphodiesterase Type 5 Inhibitors and Oral Organic Nitrates in Male Patients With Ischemic Heart Disease
T2 - A Case-Crossover Study
AU - Holt, Anders
AU - Blanche, Paul
AU - Jensen, Aksel Karl Georg
AU - Nouhravesh, Nina
AU - Rajan, Deepthi
AU - Jensen, Mads Hashiba
AU - El-Sheikh, Mohammed
AU - Schjerning, Anne-Marie
AU - Schou, Morten
AU - Gislason, Gunnar
AU - Torp-Pedersen, Christian
AU - McGettigan, Patricia
AU - Lamberts, Morten
PY - 2022/6
Y1 - 2022/6
N2 - Background: Concomitant use of oral organic nitrates (nitrates) and phosphodiesterase type 5 (PDE5) inhibitors is contraindicated. Objective: To measure temporal trends in the coprescription of nitrates and PDE5 inhibitors and to measure the association between cardiovascular outcomes and the coprescription of nitrates with PDE5 inhibitors. Design: Case-crossover design. Setting: Nationwide study of Danish patients from 2000 to 2018. Patients: Male patients with International Classification of Diseases, 10th Revision (ICD-10) codes for ischemic heart disease (IHD), including those who had a continuing prescription for nitrates and a new, filled prescription for PDE5 inhibitors. Measurements: Two composite outcomes were measured: 1) cardiac arrest, shock, myocardial infarction, ischemic stroke, or acute coronary arteriography and 2) syncope, angina pectoris, or drug-related adverse event. Results: From 2000 to 2018, 249 541 male patients with IHD were identified. Of these, 42 073 patients had continuing prescriptions for nitrates. During this period, the prescription rate for PDE5 inhibitors in patients with IHD who were taking nitrates increased from an average of 0.9 prescriptions (95% CI, 0.5 to 1.2 prescriptions) per 100 persons per year in 2000 to 19.5 prescriptions (CI, 18.0 to 21.1 prescriptions) in 2018. No statistically significant association was found between the coprescription of nitrates with PDE5 inhibitors and the risk for either composite outcome (odds ratio [OR], 0.58 [CI, 0.28 to 1.13] for the first outcome and OR, 0.73 [CI, 0.40 to 1.32] for the second outcome). Limitation: An assumption was made that concurrently filled prescriptions for nitrates and PDE5 inhibitors equaled concomitant use. Conclusion: From 2000 to 2018, the use of PDE5 inhibitors increased 20-fold among Danish patients with IHD who were taking nitrates. A statistically significant association between concomitant use of these medications and cardiovascular adverse events could not be identified.
AB - Background: Concomitant use of oral organic nitrates (nitrates) and phosphodiesterase type 5 (PDE5) inhibitors is contraindicated. Objective: To measure temporal trends in the coprescription of nitrates and PDE5 inhibitors and to measure the association between cardiovascular outcomes and the coprescription of nitrates with PDE5 inhibitors. Design: Case-crossover design. Setting: Nationwide study of Danish patients from 2000 to 2018. Patients: Male patients with International Classification of Diseases, 10th Revision (ICD-10) codes for ischemic heart disease (IHD), including those who had a continuing prescription for nitrates and a new, filled prescription for PDE5 inhibitors. Measurements: Two composite outcomes were measured: 1) cardiac arrest, shock, myocardial infarction, ischemic stroke, or acute coronary arteriography and 2) syncope, angina pectoris, or drug-related adverse event. Results: From 2000 to 2018, 249 541 male patients with IHD were identified. Of these, 42 073 patients had continuing prescriptions for nitrates. During this period, the prescription rate for PDE5 inhibitors in patients with IHD who were taking nitrates increased from an average of 0.9 prescriptions (95% CI, 0.5 to 1.2 prescriptions) per 100 persons per year in 2000 to 19.5 prescriptions (CI, 18.0 to 21.1 prescriptions) in 2018. No statistically significant association was found between the coprescription of nitrates with PDE5 inhibitors and the risk for either composite outcome (odds ratio [OR], 0.58 [CI, 0.28 to 1.13] for the first outcome and OR, 0.73 [CI, 0.40 to 1.32] for the second outcome). Limitation: An assumption was made that concurrently filled prescriptions for nitrates and PDE5 inhibitors equaled concomitant use. Conclusion: From 2000 to 2018, the use of PDE5 inhibitors increased 20-fold among Danish patients with IHD who were taking nitrates. A statistically significant association between concomitant use of these medications and cardiovascular adverse events could not be identified.
KW - Cross-Over Studies
KW - Erectile Dysfunction/chemically induced
KW - Humans
KW - Male
KW - Myocardial Ischemia/drug therapy
KW - Nitrates/adverse effects
KW - Phosphodiesterase 5 Inhibitors/adverse effects
UR - http://www.scopus.com/inward/record.url?scp=85132329605&partnerID=8YFLogxK
U2 - 10.7326/M21-3445
DO - 10.7326/M21-3445
M3 - Journal article
C2 - 35436155
SN - 0003-4819
VL - 175
SP - 774
EP - 782
JO - Annals of Internal Medicine
JF - Annals of Internal Medicine
IS - 6
ER -