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This system analyzes publicly available FDA MAUDE data. It does NOT provide medical advice. MAUDE data is de-identified — do not attempt re-identification. © 2026 Claripulse.

Back to Cardiac Rhythm Management
MAUDE LookupCardiac Rhythm ManagementMicra

Micra Adverse Events: FDA MAUDE Data

MEDTRONIC, INC. · Leadless Pacemaker · First cleared Apr 2016

Total Reports

5,234

Reports (30d)

23

Active Signals

1

Open Recalls

0

Monthly Report Volume
Event Type Breakdown

What the reports describe · Claripulse analysis

Most commonly reported problems

1

Literature Batch: IPG Implant Complications

complications, pericardial, patients, included, described

27

reports

2

Dislodgement Due to Tether Cutting

implantable pulse, tether, replaced implant, leadless implantable, ipg

10

reports

3

High Thresholds and Pacing Loss

implantable pulse, patient complications, generator ipg, result event, ipg

9

reports

4

Rising Thresholds Causing Battery Depletion

pulse, leadless implantable, generator ipg, ipg exhibited, ipg

9

reports

5

Intraoperative Non-Capture and Recapture Failure

delivery, implantable pulse, intraoperative, leadless implantable, ipg

6

reports

6

High Threshold and No Capture During Implant

implantable pulse, pulse generator, replaced implant, attempted used, ipg

5

reports

Problem groupings are generated by Claripulse from report narrative text. They summarize what reporters wrote, not adjudicated root cause.

Detection

Active safety signals

Disproportionate reportinghigh

Evidence

Related research

A leadless ventricular pacemaker providing atrioventricular synchronous pacing in the real-world setting: 12-Month results from the Micra AV post-approval registry

Christophe Garweg, et al. · Heart Rhythm · 2024

Two-year outcomes of Micra AV leadless pacemakers in the Micra AV CED study.

El-Chami MF, et al. · 2024

Leadless versus transvenous single‐chamber ventricular pacemakers: 3 year follow‐up of the Micra CED study

George H. Crossley, et al. · Journal of Cardiovascular Electrophysiology · 2023

Citations indexed from PubMed.

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Understanding this data

What FDA MAUDE data does and does not tell you

How these reports are filed, why raw counts mislead, and the limits to know before drawing conclusions.

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How a safety signal is detected

What the "Active Signals" count above means and the methods that separate a real signal from noise.

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Disclaimer: This system analyzes publicly available FDA MAUDE data. It does NOT provide medical advice. MAUDE data is de-identified. Do not attempt re-identification. Report counts may differ from the FDA's MAUDE search due to processing cadence and deduplication. Data is updated weekly.