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Background and aims <p>The benefits of remote monitoring (RM) for pacemakers and defibrillators have been established. It has not been shown that these benefits apply to implantable loop recorders (ILRs). We aimed to investigate the effect of RM on patient outcomes, time spent, and cost during follow-up of ILRs.</p> Methods <p>We conducted a multi-centre, randomized, controlled, open-label trial of RM versus office-based follow-up for ILRs. At implant, patients were randomized to RM only, or office visits at 6 weeks, 6 months, and 12 months (no-RM). Primary efficacy endpoints were: (1) time from event to diagnosis, (2) number of related hospital presentations. Secondary endpoints were time spent on follow-up, satisfaction, and cost.</p> Results <p>One hundred consecutively referred patients, aged 61 ± 18yrs, 53% male, were recruited between April 2018 and September 2019 (pre-COVID pandemic). Follow-up was 12 months. Patients with RM versus no-RM had less time from event to diagnosis (RM 0(0–0) days, no-RM 40(33–42) days, <i>P</i> &lt; 0.001), fewer arrhythmia-related hospital presentations (RM 0.7 ± 1.1, no-RM 2.8 ± 2.6, <i>P</i> &lt; 0.019), and lower (better) satisfaction survey scores (RM 13 ± 4, no-RM 16 ± 5; <i>P</i> = 0.041). Follow-up clinician time spent (RM 33 ± 29&#xa0;min, no-RM 29 ± 26&#xa0;min, <i>P</i> = 0.063) and cost of follow up (RM $803, no-RM $1,090; <i>P</i> = 0.347) were not different.</p> Conclusions <p>In patients with ILRs randomized to receive RM, there was less time from event to diagnosis, there were fewer hospital and clinic presentations, and improved patient satisfaction. RM did not take more time and was cost effective in the Australian health care system. This study provides support for RM of ILRs.</p> Registration <p>ACTRN12618001359224.</p> Graphical Abstract <p>Overview of this randomized trial with 100 consecutive patients enrolled, randomized 1:1 to remote monitoring only (exception-based care) or office-based follow-up</p>

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A randomized controlled trial of remote monitoring for cardiac implantable loop recorders: stay-away trial

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  • 发表日期：

    2026年7月17日

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  • John L. Fitzgerald,
  • Austin N. May,
  • David Baker,
  • Stuart Sugito,
  • Amardeep Amardeep,
  • Andrew J. Boyle,
  • Aaron L. Sverdlov,
  • Nicholas Collins,
  • Gwilym M. Morris,
  • Nicholas Jackson,
  • Malcolm Barlow,
  • Stuart Turner,
  • James W. Leitch,
  • Bradley Wilsmore

摘要

Background and aims

The benefits of remote monitoring (RM) for pacemakers and defibrillators have been established. It has not been shown that these benefits apply to implantable loop recorders (ILRs). We aimed to investigate the effect of RM on patient outcomes, time spent, and cost during follow-up of ILRs.

Methods

We conducted a multi-centre, randomized, controlled, open-label trial of RM versus office-based follow-up for ILRs. At implant, patients were randomized to RM only, or office visits at 6 weeks, 6 months, and 12 months (no-RM). Primary efficacy endpoints were: (1) time from event to diagnosis, (2) number of related hospital presentations. Secondary endpoints were time spent on follow-up, satisfaction, and cost.

Results

One hundred consecutively referred patients, aged 61 ± 18yrs, 53% male, were recruited between April 2018 and September 2019 (pre-COVID pandemic). Follow-up was 12 months. Patients with RM versus no-RM had less time from event to diagnosis (RM 0(0–0) days, no-RM 40(33–42) days, P < 0.001), fewer arrhythmia-related hospital presentations (RM 0.7 ± 1.1, no-RM 2.8 ± 2.6, P < 0.019), and lower (better) satisfaction survey scores (RM 13 ± 4, no-RM 16 ± 5; P = 0.041). Follow-up clinician time spent (RM 33 ± 29 min, no-RM 29 ± 26 min, P = 0.063) and cost of follow up (RM $803, no-RM $1,090; P = 0.347) were not different.

Conclusions

In patients with ILRs randomized to receive RM, there was less time from event to diagnosis, there were fewer hospital and clinic presentations, and improved patient satisfaction. RM did not take more time and was cost effective in the Australian health care system. This study provides support for RM of ILRs.

Registration

ACTRN12618001359224.

Graphical Abstract

Overview of this randomized trial with 100 consecutive patients enrolled, randomized 1:1 to remote monitoring only (exception-based care) or office-based follow-up