Continuous monitoring of ambulatory patients with coronary disease

Iyengar, Ramanuja; Castellanos, Agustín; Spence, Martha I.

doi:10.1016/s0033-0620(71)80014-2

Cited by 25 publications

(3 citation statements)

References 41 publications

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“…Ambulatory Holter monitoring is a valuable complementary method for diagnosing pacing and sensing abnormalities in pacemaker patients [ 6 , 9 – 13 ]. Twenty-four-hour ECG monitoring allows one to evaluate sensing and pacing, to detect asymptomatic stimulation disturbances as well as to determine arrhythmia events all day long and in different life situations [ 14 – 17 ].…”

Section: Discussionmentioning

confidence: 99%

“…The value of Holter electrocardiography in patients with pacemakers was first suggested by Ivengar et al . in 1971 by documenting pacemaker failure [ 6 ]. The report of Mymin et al .…”

Section: Discussionmentioning

confidence: 99%

“…Long-term assessment of PM function may be performed by applying 24-hour ambulatory Holter monitoring (HM). This method was introduced as a PM evaluation strategy in the 1970s [ 6 , 7 ]. Thus far, HM has been mainly used to detect dysfunction in single-chamber PMs.…”

Section: Introductionmentioning

confidence: 99%

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Ambulatory Holter monitoring in asymptomatic patients with DDD pacemakers – do we need ACC/AHA Guidelines revision?

Chudzik¹,

Klimczak²,

Wranicz³

2013

aoms

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IntroductionWe sought to determine the usefulness of ambulatory 24-hour Holter monitoring in detecting asymptomatic pacemaker (PM) malfunction episodes in patients with dual-chamber pacemakers whose pacing and sensing parameters were proper, as seen in routine post-implantation follow-ups.Material and methodsAmbulatory 24-hour Holter recordings (HM) were performed in 100 patients with DDD pacemakers 1 day after the implantation. Only asymptomatic patients with proper pacing and sensing parameters (assessed on PM telemetry on the first day post-implantation) were enrolled in the study. The following parameters were assessed: failure to pace, failure to sense (both oversensing and undersensing episodes) as well as the percentage of all PM disturbances.ResultsDespite proper sensing and pacing parameters, HM revealed PM disturbances in 23 patients out of 100 (23%). Atrial undersensing episodes were found in 12 patients (p < 0.005) with totally 963 episodes and failure to capture in 1 patient (1%). T wave oversensing was the most common ventricular channel disorder (1316 episodes in 9 patients, p < 0.0005). Malfunction episodes occurred sporadically, leading to pauses of up to 1.6 s or temporary bradycardia, which were, nevertheless, not accompanied by clinical symptoms. No ventricular pacing disturbances were found.ConclusionsAsymptomatic pacemaker dysfunction may be observed in nearly 25% of patients with proper DDD parameters after implantation. Thus, ambulatory HM during the early post-implantation period may be a useful tool to detect the need to reprogram PM parameters.

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Section: Discussionmentioning

confidence: 99%

“…The value of Holter electrocardiography in patients with pacemakers was first suggested by Ivengar et al . in 1971 by documenting pacemaker failure [ 6 ]. The report of Mymin et al .…”

Section: Discussionmentioning

confidence: 99%

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Ambulatory Holter monitoring in asymptomatic patients with DDD pacemakers – do we need ACC/AHA Guidelines revision?

Chudzik¹,

Klimczak²,

Wranicz³

2013

aoms

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Evaluation of technician audiovisual scanning of ambulatory electrocardiograph recordings utilizing the rapid oscillographic printout technique of validation

DiBianco

Katz

Fletcher

et al. 1982

Clinical Cardiology

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Summary:The accuracy of technician audiovisual scanning of ambulatory electrocardiographic recordings, coupled with physician review of demonstrative rhythm strips, was validated using the rapid oscillographic printout technique. Seventy-five patients underwent 24-h ambulatory electrocardiographic recordings which were routinely evaluated by audiovisual scanning for the highest hourly grades of ventricular ectopic activity (VEA). Printouts of three random hours per 24-hours were then obtained (one hour per 8-hour period). The total beat oscillographic printouts, written at 120 X real time, were then graded by at least two authors and compared to the results of audiovisual scanning. Hourly VEA grades were: 0 = no ventricular ectopy; 1 = I 1 0 unifocals; 2 = >10 unifocals; 3 = S 10 multifocals; 3A = >10 multifocals; 4 = couplets; 5 = triplets or salvos. VEA grades were further grouped into high grade (2, 3A, 4 or 5) and low grade (0, 1 , or 3) categories. The comparison of rapid oscillographic total beat printout to technician audiovisual scanning coupled with physi-* Supported by the Veterans, Administration, Washington, DC . ( 1 81/225) of the time. Excluding errors that were secondary to overlooking rare electrical events, technicians successfully identified 88% (199/225) of hours for the highest VEA grade; (2) patients with high gradeand low grade VEA were identified with an accuracy of 91% (51/55) and 95% (19/20), respectively; (3) technician reports which combined each of the three random hours per patient were more predictably accurate when positive for high grade VEA (98% of patients, 50/51) than for low grade VEA (79% of patients, 19/24); p<0.05); (4) "underreading" errors in audiovisual scanning were almost six times more frequent as those of "overreading" (67 vs. 12 instances, respectively), with a failure to recognize low frequency electrocardiographic events as the most prevalent type of error. This study demonstrates the use of the rapid oscillographic printout technique for the display of ambulatory electrocardiographic data in hard copy compressed form which was successfully used to validate technician performance in the audiovisual scanning of ambulatory ECG recordings.

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Ambulatory Electrocardiographic Monitoring

Kligfield

1989

Handbook of Research Methods in Cardiovascular Behavioral Medicine

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Continuous monitoring of ambulatory patients with coronary disease

Cited by 25 publications

References 41 publications

Ambulatory Holter monitoring in asymptomatic patients with DDD pacemakers – do we need ACC/AHA Guidelines revision?

Ambulatory Holter monitoring in asymptomatic patients with DDD pacemakers – do we need ACC/AHA Guidelines revision?

Evaluation of technician audiovisual scanning of ambulatory electrocardiograph recordings utilizing the rapid oscillographic printout technique of validation

Ambulatory Electrocardiographic Monitoring

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