Why the study?
Does dobutamine stress echocardiography identify impaired myocardial contractile reserve in hypotension-prone haemodialysis patients?
Does dobutamine stress echocardiography identify impaired myocardial contractile reserve in hypotension-prone haemodialysis patients?
Dobutamine stress echocardiography reveals that impaired myocardial contractile reserve, rather than ischemia alone, is a key mechanism underlying hemodialysis-induced hypotension.
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Supports contractile reserve impairment as mechanism in hemodialysis hypotension; leaves open prospective validation of dobutamine stress echocardiography for risk stratification.
SUMMARY: Haemodialysis‐related hypotension occurs in approximately 30% of patients. Myocardial ischaemia and/or insufficient contractile reserve in response to sympathetic stress may be involved in the pathogenesis of hypotension during dialysis. Using dobutamine stress echocardiography, left ventricular function at rest, myocardial contractile reserve and the presence and extent of ischaemia can be assessed in a non‐invasive way. This short review will focus on the potential value of dobutamine stress echocardiography for the evaluation of hypotension‐prone haemodialysis patients.
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Poldermans et al. (2001) studied this question.
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