What question did this study set out to answer?

To evaluate the clinical utility of sinus node recovery times and premature atrial stimulation testing in diagnosing sinus node disease and predicting pacemaker requirement.

January 1, 1978Pacing and Clinical Electrophysiology

Clinical Value of Tests of Sino‐Atrial Function*

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Why the study?

Do tests of sino-atrial function predict the need for permanent pacemaker implantation in patients with suspected sinus node disease?

Population

36 patients

Design

Cohort

Authors

TET R EvansUniversity of Oxford ECE. A. CallowhillHammersmith Hospital DKD M KriklerGuy's Hospital

Discussion

Member takes

Overview

Corrected sinus node recovery time may aid prediction in suspected sinus node disease; leaves open its role in guiding implantation without prospective validation.

Key Points

To evaluate the clinical utility of sinus node recovery times and premature atrial stimulation testing in diagnosing sinus node disease and predicting pacemaker requirement.
Evaluated 36 patients categorized into gross sinus node disease (N=7), possible sinus node disease (N=25), and controls without clinical sinus node disease (N=4).
Performed electrophysiological assessments including sinus node recovery times (and corrected sinus node recovery time) and the premature atrial stimulus test.
Corrected sinus node recovery time proved most predictive for identifying patients requiring and benefiting from permanent pacemaker implantation, despite one false negative and two asymptomatic abnormal findings.
The premature atrial stimulus test lacked practical diagnostic value in severe disease, and data could only be analyzed in 13 of 25 suspected cases due to excessive curve scatter caused by arrhythmias.
Overdrive sinus node suppression was identified as the only useful invasive study when regular sinus rhythm is absent on baseline electrocardiography.

Structured PICO

Do tests of sino-atrial function predict the need for permanent pacemaker implantation in patients with suspected sinus node disease?

Population

36 patients (7 with gross sinus node disease, 25 with possible sinus node disease, and 4 with no clinical evidence of sinus node disease)

Intervention

Tests of sino-atrial function (sinus node recovery times and premature atrial stimulus test)

Outcome

Prediction of need and benefit from permanent pacemaker implantation

Corrected sinus node recovery time is a valuable predictor for pacemaker implantation in suspected sinus node disease, whereas premature atrial stimulation has limited practical utility.

Cite This Study

Evans et al. (1978) studied this question.

synapsesocial.com/papers/6a8654305dc285e07e73a3ca https://doi.org/10.1111/j.1540-8159.1978.tb03434.x

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January 1, 1978Pacing and Clinical Electrophysiology

Clinical Value of Tests of Sino‐Atrial Function*

View Full Paper

Ask AI

Bookmark

Why the study?

Do tests of sino-atrial function predict the need for permanent pacemaker implantation in patients with suspected sinus node disease?

Population

36 patients

Design

Cohort

Authors

TET R EvansUniversity of Oxford ECE. A. CallowhillHammersmith Hospital DKD M KriklerGuy's Hospital

Discussion

Member takes

Overview

Corrected sinus node recovery time may aid prediction in suspected sinus node disease; leaves open its role in guiding implantation without prospective validation.

Key Points

To evaluate the clinical utility of sinus node recovery times and premature atrial stimulation testing in diagnosing sinus node disease and predicting pacemaker requirement.
Evaluated 36 patients categorized into gross sinus node disease (N=7), possible sinus node disease (N=25), and controls without clinical sinus node disease (N=4).
Performed electrophysiological assessments including sinus node recovery times (and corrected sinus node recovery time) and the premature atrial stimulus test.
Corrected sinus node recovery time proved most predictive for identifying patients requiring and benefiting from permanent pacemaker implantation, despite one false negative and two asymptomatic abnormal findings.
The premature atrial stimulus test lacked practical diagnostic value in severe disease, and data could only be analyzed in 13 of 25 suspected cases due to excessive curve scatter caused by arrhythmias.
Overdrive sinus node suppression was identified as the only useful invasive study when regular sinus rhythm is absent on baseline electrocardiography.

Structured PICO

Do tests of sino-atrial function predict the need for permanent pacemaker implantation in patients with suspected sinus node disease?

Population

36 patients (7 with gross sinus node disease, 25 with possible sinus node disease, and 4 with no clinical evidence of sinus node disease)

Intervention

Tests of sino-atrial function (sinus node recovery times and premature atrial stimulus test)

Outcome

Prediction of need and benefit from permanent pacemaker implantation

Corrected sinus node recovery time is a valuable predictor for pacemaker implantation in suspected sinus node disease, whereas premature atrial stimulation has limited practical utility.

Cite This Study

Evans et al. (1978) studied this question.

synapsesocial.com/papers/6a8654305dc285e07e73a3ca https://doi.org/10.1111/j.1540-8159.1978.tb03434.x

Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

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