Abstract
Background Appropriateness criteria for patients undergoing stress echocardiography (SE) have recently been published. We sought to identify the clinical and prognostic value of these criteria for evaluation of valvular heart disease (VHD). Methods 80 consecutive patients undergoing SE for evaluation of VHD were identified. A positive SE was defined according to VHD guidelines. Patients were classified into appropriate, uncertain and inappropriate categories also according to appropriateness criteria guidelines. The end-point was the composite of valve intervention or death. Results Of the 80 pts undergoing SE, 39 (48.8%), 33 (41.2%) and 8 (10%) were classified as appropriate, uncertain and inappropriate, respectively. A positive SE was identified in 27 (34%) pts, of which a significantly greater proportion of positive SE occurred in patients classified as appropriate 15 (56%) or uncertain 12 (44%) compared to patients classified as inappropriate 0(0%), p Conclusions SE for VHD has prognostic value when incorporated into clinical practice. The Appropriateness criteria for evaluation of VHD provide the ability to differentiate between patients at high (appropriate group) and low risk (inappropriate group) of subsequent cardiac events. Re-classification of the uncertain group may improve the differential value of these criteria and improve their applicability to current clinical practice.
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