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Medical AI Inquiry: You was designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.  Labels: PURPOSE, DESIGN, SETTING AND SUBJECTS, METHODOLOGY, RESULTS. Meshes: Adult, Aged, Aged, 80 and over, Ankle, Arterial Occlusive Diseases, Bias, Blood Pressure Determination, Brachial Artery, Female, Humans, Linear Models, Male, Middle Aged, Nursing Assessment, Nursing Evaluation Research, Photoplethysmography, Point-of-Care Systems, Sensitivity and Specificity, Severity of Illness Index, Toes, Ultrasonography, Doppler.
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Are ankle and toe brachial indices (ABI-TBI) obtained by a pocket Doppler interchangeable with those obtained by standard laboratory equipment? Context: The aim of this study was to determine if the ankle and toe brachial indices obtained by an experienced registered nurse (RN) using a pocket Doppler were within acceptable levels of agreement with those obtained by a registered vascular technologist (RVT) using standard laboratory equipment. A within-subjects comparative design was used. Thirty subjects who were referred to a vascular laboratory for arterial studies were recruited. All tests were performed in the outpatient vascular laboratory of a large, urban medical center. Ankle and toe brachial indices were measured on each subject by the RN and the RVT during each visit. Data were analyzed using the Bland-Altman method to assess the level of agreement between the RN's pocket Doppler and the RVT's standard laboratory equipment. Differences between each instrument's ankle brachial indices were within the a priori 15% limit of agreement. Differences between each instrument's toe brachial indices exceeded the a priori 15% limit of agreement.
assistant
The ankle brachial index obtained by using a pocket Doppler by an experienced RN is interchangeable with vascular laboratory testing for detection of lower extremity arterial disease (LEAD). The pocket Doppler-derived toe brachial index was not interchangeable with vascular laboratory testing for detection of LEAD.