The Impact of Anticholinergic Medication Load on the Occurrence of Cardiovascular Events: A Population-Based Analysis - Scorecard - MDSpire

The Impact of Anticholinergic Medication Load on the Occurrence of Cardiovascular Events: A Population-Based Analysis

  • By

  • Nanbo Zhu

  • Maria Eriksdotter

  • Bahira Shahim

  • Kristina Johnell

  • Sara Garcia-Ptacek

  • Juan-Jesus Carrero

  • Hong Xu

  • February 28, 2026

  • 0 min

Share

Clinical Scorecard: The Impact of Anticholinergic Medication Load on the Occurrence of Cardiovascular Events: A Population-Based Analysis

At a Glance

CategoryDetail
ConditionCardiovascular events associated with anticholinergic medication load
Key MechanismsAnticholinergic drugs inhibit acetylcholine actions, disrupting cholinergic signaling essential for cardiovascular regulation, potentially causing autonomic dysfunction and increased cardiovascular risk
Target PopulationAdults aged 45 years and older without prior major cardiovascular disease, including those with uncomplicated hypertension
Care SettingGeneral population within a universal healthcare system (Stockholm, Sweden)

Key Highlights

  • Anticholinergic burden is assessed using the Anticholinergic Cognitive Burden (ACB) scale and cumulative defined daily doses (DDDs) of anticholinergic drugs.
  • Higher anticholinergic drug exposure is hypothesized to be associated with increased incidence of overall and specific cardiovascular diseases.
  • Cholinergic signaling plays a critical role in cardiovascular homeostasis; disruption by anticholinergic drugs may impair heart rate and contractility regulation.

Guideline-Based Recommendations

Diagnosis

  • Assess anticholinergic burden using validated scales such as the ACB scale.
  • Evaluate cumulative drug exposure through defined daily doses over time.

Management

  • Minimize use of medications with high anticholinergic properties when possible, especially in older adults.
  • Consider alternative therapies with lower anticholinergic burden to reduce cardiovascular risk.

Monitoring & Follow-up

  • Regularly update and monitor anticholinergic drug exposure annually using prescription data.
  • Monitor for incident cardiovascular events in patients with high anticholinergic burden.

Risks

  • High anticholinergic burden is linked to increased risk of myocardial infarction, stroke, arrhythmias, conduction disorders, syncope, and cardiovascular death.
  • Disruption of parasympathetic regulation by anticholinergic drugs may lead to autonomic dysfunction contributing to cardiovascular disease.

Patient & Prescribing Data

Residents aged ≥45 years in Stockholm without prior major cardiovascular disease

Annual cumulative exposure to anticholinergic drugs, measured by DDDs and ACB scores, is critical to evaluate cardiovascular risk; time-updated exposure assessment improves accuracy.

Clinical Best Practices

  • Use comprehensive medication reviews to identify and quantify anticholinergic burden in patients.
  • Incorporate time-updated measures of anticholinergic exposure rather than baseline-only assessments.
  • Recognize the potential cardioprotective role of enhancing cholinergic signaling as a future therapeutic target.

References

Original Source(s)

Related Content