Detection of Atrial Fibrillation Using a Modified Microlife Blood Pressure Monitor

Wiesel, Joseph; Fitzig, Lorenzo; Herschman, Yehuda; Messineo, Frank C.

doi:10.1038/ajh.2009.98

Cited by 112 publications

(114 citation statements)

References 13 publications

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“…In line with the findings of Wiesel et al, 10 and after testing several approaches including single, duplicate and triplicate measurements, and one of two, one of three and two of three positive measurements needed for diagnosis, these data confirmed that triplicate measurements, in which two of them were required to make an AF diagnosis, is the optimal approach in terms of diagnostic accuracy (Table 2). In fact this screening tool appears to be more accurate in diagnosing AF than the general practitioners' diagnosis carried out by ECG together with an interpretative software.…”

Section: Discussionsupporting

confidence: 84%

“…9 A recent study by the same group tested the same device as in this study in 205 subjects, of whom 52 had AF on ECG. 10 The sensitivity and specificity of a single measurement for detecting AF was 98 and 88%, respectively. For three measurements, in which two of them were required to diagnose AF, the diagnostic accuracy was improved (sensitivity, 100%; specificity, 89%), 10 that is identical with the finding of this study ( Table 2).…”

Section: Discussionmentioning

confidence: 97%

“…10 The sensitivity and specificity of a single measurement for detecting AF was 98 and 88%, respectively. For three measurements, in which two of them were required to diagnose AF, the diagnostic accuracy was improved (sensitivity, 100%; specificity, 89%), 10 that is identical with the finding of this study ( Table 2). The feasibility of using the device by patients at home for detecting intermittent AF has been tested in a small study of 19 patients with a history of AF.…”

Section: Discussionmentioning

confidence: 97%

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Diagnostic accuracy of a home blood pressure monitor to detect atrial fibrillation

et al. 2009

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Atrial fibrillation (AF) is the most common sustained arrhythmia and is associated with an increased longterm risk of stroke. A screening test for early diagnosis has the potential to prevent AF-related strokes. This study assessed the diagnostic accuracy of an automated device for self-home blood pressure (BP) monitoring, which implements an algorithm for AF detection. A modified, automated oscillometric device for selfhome BP monitoring (Microlife BPA100 Plus, Microlife, Heerbrugg, Switzerland) with an AF detector was used to carry out triplicate BP measurements in subjects with sinus rhythm, AF and non-AF arrhythmias. During each BP measurement, the electrocardiogram (ECG) was recorded simultaneously. A total of 217 simultaneous BP measurements and ECG recordings were obtained from 73 subjects. Twenty-seven subjects (37%) had AF, 23 (31%) non-AF arrhythmias and 23 (31%) had sinus rhythm. A single measurement had 93% sensitivity and 89% specificity for detecting AF. For two measurements, in which one of them was required to detect AF, the sensitivity was 100% and specificity 76%, whereas for three measurements, in which two of them were required to detect AF, the sensitivity was 100% and specificity 89% (j ¼ 0.86 for an agreement with ECG). Using the latter approach, there were five false positive cases all having irregularities in B50% of the heartbeats. In patients with tachyarrhythmia, the device underestimated heart rate. These data suggest that an electronic device for self-home BP monitoring, which implements an algorithm for AF diagnosis has an excellent diagnostic accuracy and might, therefore, be used as a reliable screening test for the early diagnosis.

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Section: Discussionsupporting

confidence: 84%

Section: Discussionmentioning

confidence: 97%

Section: Discussionmentioning

confidence: 97%

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Diagnostic accuracy of a home blood pressure monitor to detect atrial fibrillation

et al. 2009

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“…The remaining time intervals were used to calculate the irregularity index. If the irregularity index exceeded a threshold value of 0.06, the rhythm was considered irregular 9. …”

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confidence: 99%

Comparison of Microlife BP A200 Plus and Omron M6 Blood Pressure Monitors to Detect Atrial Fibrillation in Hypertensive Patients

et al. 2011

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“…The stroke prevention guidelines recommend screening for AF by checking the pulse during blood pressure monitoring and obtaining electrocardiograms (ECG) in patients older than 65 years of age. A recent study showed the utility of a novel blood pressure monitor in detecting AF during routine checks [44].…”

Section: Impact Of Long-term Monitoring For Detecting Atrial Fibrillamentioning

confidence: 99%

Prediction of Stroke Risk in Atrial Fibrillation, Prevention of Stroke in Atrial Fibrillation, and the Impact of Long-Term Monitoring for Detecting Atrial Fibrillation

Thomas

Lerman

2011

Curr Atheroscler Rep

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Transient ischemic attacks (TIAs) are common neurologic events characterized by stroke-like symptoms that completely resolve. They were previously thought to be benign but research over the past decade has revealed the high risk of further neurologic and cardiac events following TIA. With the knowledge of prognosis following TIA, the need for more urgent diagnostic workup and treatment has become clear, and several tools for identifying patients at the highest risk have been developed. In this review, we discuss appropriate diagnostic testing, acute management, and long-term management for preventing stroke after TIA, current research in progress, as well as areas of need for future research.

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Detection of Atrial Fibrillation Using a Modified Microlife Blood Pressure Monitor

Abstract: This device is able to detect AF with high sensitivity and specificity. Use of this device by patients who monitor their blood pressure at home may help detect asymptomatic AF and allow for treatment prior to the development of a stroke.

Cited by 112 publications

References 13 publications

Diagnostic accuracy of a home blood pressure monitor to detect atrial fibrillation

Diagnostic accuracy of a home blood pressure monitor to detect atrial fibrillation

Comparison of Microlife BP A200 Plus and Omron M6 Blood Pressure Monitors to Detect Atrial Fibrillation in Hypertensive Patients

Prediction of Stroke Risk in Atrial Fibrillation, Prevention of Stroke in Atrial Fibrillation, and the Impact of Long-Term Monitoring for Detecting Atrial Fibrillation

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