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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 ManagementFLEXTEND

FLEXTEND Adverse Events: FDA MAUDE Data

BOSTON SCIENTIFIC CORPORATION · Permanent Pacemaker Electrode (Lead) · First cleared Nov 1998 · 3 device variants grouped

Total Reports

2,419

Reports (30d)

23

Active Signals

3

Open Recalls

0

Monthly Report Volume
Event Type Breakdown

What the reports describe · Claripulse analysis

Most commonly reported problems

1

Noisy Signals and Low Impedance in Atrial Lead

adverse, effects, reported right, range, service

16

reports

2

Infection Leading to RV Lead Explant

lead explanted, infection, effects, revision, additional adverse

8

reports

3

Infection Leading to Lead Explant

lead explanted, infection, revision, effects, additional adverse

7

reports

4

High Pacing Thresholds in Ventricular Lead

adverse, effects, reported right, additional adverse, ventricular lead

5

reports

5

Noise on Stored Ventricular Episodes

noise, adverse, effects, service, ventricular lead

4

reports

6

Inappropriate Therapy Delivery by CRT-D

crt, therapy, defibrillator, tachycardia, ventricular tachycardia

3

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 reportinghighDisproportionate reportinghighDisproportionate reportinghigh

Evidence

Related research

Long-term performance of an atrial lead capable of accelerometer based detection of cardiac contractility in patients receiving cardiac resynchronisation therapy.

Senoner T, et al. · 2019

Early Tracheostomy Change in Neonates: Feasibility and Benefits.

Zebda D, et al. · 2021

Global predictors of tracheostomy-related pressure injury in the COVID-19 era: A study of secondary data.

Moser CH, et al. · 2024

Airway findings in children with tracheostomies: When is diagnostic bronchoscopy and laryngoscopy indicated?

Sharif-Askary B, et al. · 2018

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.

→

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.