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Optimizing CAD diagnosis in China with CT angiography

Mindy M Cheng1, Bin Lu, Sheng-Shou Hu

  • 1University of Washington, Seattle, WA 98195, USA.

Journal of Cardiovascular Computed Tomography
|April 28, 2009
PubMed

Insights

Coronary computed tomography angiography (CTA) combined with coronary angiography (CA) can save Chinese hospitals money and optimize patient selection for invasive procedures in diagnosing coronary artery disease (CAD). This approach improves cost-effectiveness and patient access to care.

Area of Science:

  • Cardiovascular Imaging
  • Health Economics
  • Medical Technology Assessment

Background:

  • Coronary artery disease (CAD) diagnosis in China faces challenges due to high prevalence and limited resources.
  • Coronary computed tomography angiography (CTA) offers a potential solution to minimize invasive procedures for intermediate-risk patients.
  • CTA can improve cost-effective diagnosis and patient access to CAD evaluation.

Purpose of the Study:

  • To evaluate the cost and efficiency of using CTA in conjunction with CA for diagnosing suspected CAD in China.
  • To optimize the diagnostic strategy for patients with intermediate pretest probability of significant CAD.

Main Methods:

  • A cost-consequences analysis was performed from the perspective of Fuwai Hospital, Beijing.
  • A decision-analytic model compared CA-only strategy versus CTA followed by CA strategy.
  • The model focused on patients indicated for CA with intermediate pretest probability of significant CAD.

Main Results:

  • The combined CTA and CA strategy resulted in cost savings of US $597 per patient compared to CA alone.
  • The hospital cost per confirmed CAD diagnosis was US $8,103 for CTA-CA versus US $9,148 for CA-only.
  • CTA sensitivity and CA unit cost were key influential parameters; cost savings ranged from US $461 to US $768 per patient.

Conclusions:

  • Implementing CTA in China for intermediate-risk patients indicated for CA can optimize the selection for invasive procedures.
  • This strategy may lead to significant cost savings for Chinese hospitals.
  • CTA integration can enhance the efficiency and accessibility of CAD diagnosis.
Abstract

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