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Invasive investigations and revascularisation
S Chaubey1, S W Davies, N Moat
1Department of Invasive Cardiology, Royal Brompton Hospital, London, UK.
Insights
Invasive coronary artery disease investigations are costly and risky. They are reserved for patients with severe angina or those likely to benefit from revascularization due to poor prognosis.
Area of Science:
- Cardiology
- Diagnostic Medicine
- Interventional Cardiology
Background:
- Invasive investigation for coronary artery disease (CAD) presents significant costs and risks, including a mortality rate of approximately 1 in 2000.
- Current clinical practice does not support invasive investigation for all diagnosed CAD patients or those with possible angina due to impracticality and risk.
- Patient selection for invasive procedures is crucial, balancing symptom severity and prognosis.
Purpose of the Study:
- To define the criteria for referring patients for invasive investigation of coronary artery disease.
- To differentiate between symptomatic and prognostic indications for revascularization procedures.
Main Methods:
- Review of clinical guidelines and referral practices for invasive coronary artery disease investigations.
- Analysis of patient cohorts undergoing invasive cardiac procedures based on symptoms and prognostic indicators.
Main Results:
- Invasive investigation is reserved for patients with high-grade angina requiring symptomatic relief through revascularization.
- Patients identified as having a poor prognosis with medical management, and thus likely to benefit from revascularization, are also referred.
- A subset of patients referred for invasive investigation may not present with severe symptoms.
Conclusions:
- Referral for invasive coronary artery disease investigation should be based on a combination of symptomatic severity and prognostic risk.
- Careful patient selection is essential to optimize the use of invasive diagnostic and therapeutic cardiac interventions.
- Not all patients benefiting from revascularization present with high symptom burden.
Abstract:
Invasive investigation of coronary artery disease is relatively expensive, and carries risks including a mortality of approximately 1 in 2000. It would not be practical or appropriate to perform invasive investigation in all patients with a clinical diagnosis of coronary artery disease, still less in the large numbers with chest pain and possible angina. Clinicians will refer for invasive investigation those: (i) with a high level of angina, needing revascularisation on symptomatic grounds; and (ii) who are likely to have a poor prognosis with medical treatment, and thus likely to benefit from revascularisation. Not all of these patients will have a high level of symptoms.