Reported Reactions

Devices › Implantable pulse generator, pacemaker (non-crt)

Device brand name · Implantable pulse generator pacemaker non-crt

Energen Crt-D: medical device reports filed with FDA

672 reports name it, 2014–2026. Manufacturer given most often on reports: Boston Scientific. Product code LWP.

672
device reports naming the brand
0% of all MAUDE reports · about 54 a year
6
reports, 12 months to August 2026
35 in the 12 months before
32.3%
classified as malfunction
41.5% across the product code
0.7%
classified as death, as reported
5 reports · not verified by FDA

672 medical device reports received by FDA name the brand "Energen Crt-D" (implantable pulse generator pacemaker non-crt); the manufacturer given most often on reports is Boston Scientific; received from January 2014 to July 2026. Brand names are as the reporter or manufacturer wrote them, so one product can appear under several spellings.

6 reports arrived in the 12 months to August 2026, down 83% from 35 in the 12 months before. FDA releases MAUDE data monthly; reports can arrive months after an event, so the newest months grow in later releases. The event types recorded are injury (67%), malfunction (32.3%) and death (0.7%); across all implantable pulse generator, pacemaker (non-crt) reports (product code LWP) death is recorded in 1.2% and malfunction in 41.5%. Event type is the reporter's classification of the report, not a verified outcome.

The device problems coded most often are premature discharge of battery (28.1%), high impedance (21.1%) and device displays incorrect message (18.9%). The patient problems coded most often are electric shock, sepsis and asystole. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data."

Reports by month, five years

0918Sep 2021: 0Oct 2021: 18Nov 2021: 4Dec 2021: 12022Jan 2022: 11Feb 2022: 2Mar 2022: 1Apr 2022: 12May 2022: 6Jun 2022: 3Jul 2022: 4Aug 2022: 6Sep 2022: 4Oct 2022: 8Nov 2022: 2Dec 2022: 32023Jan 2023: 3Feb 2023: 6Mar 2023: 1Apr 2023: 5May 2023: 11Jun 2023: 6Jul 2023: 10Aug 2023: 2Sep 2023: 2Oct 2023: 3Nov 2023: 4Dec 2023: 52024Jan 2024: 4Feb 2024: 4Mar 2024: 5Apr 2024: 3May 2024: 4Jun 2024: 1Jul 2024: 3Aug 2024: 3Sep 2024: 4Oct 2024: 3Nov 2024: 4Dec 2024: 52025Jan 2025: 2Feb 2025: 1Mar 2025: 1Apr 2025: 13May 2025: 1Jun 2025: 0Jul 2025: 1Aug 2025: 0Sep 2025: 0Oct 2025: 1Nov 2025: 2Dec 2025: 02026Jan 2026: 1Feb 2026: 0Mar 2026: 1Apr 2026: 0May 2026: 0Jun 2026: 0Jul 2026: 1Aug 2026: 0

Reports by the month FDA received them. FDA releases MAUDE data monthly; reports can arrive months after an event, so the newest months grow in later releases.

By year received

01012022014: 520142016: 52017: 920172018: 452019: 20220192020: 1262021: 9220212022: 622023: 5820232024: 432025: 2220252026: 3

Event type and report source

Event type, as classified on the report

Death0.7%5
Injury67%450
Malfunction32.3%217
Other0%0
Not given0%0

Who filed the report

Manufacturer report100%672
Voluntary report0%0
User facility report0%0
Distributor report0%0
Not given0%0

Grey bar: all 157,494 reports carrying product code LWP. Event type is the filer's classification and is not verified by FDA.

Device problems coded

Device problem (FDA code)ReportsShareShare across product code
Premature discharge of battery18928.1%22.3%
High impedance14221.1%9%
Device displays incorrect message12718.9%7.9%
Over-sensing649.5%8.4%
Pacing problem619.1%5.6%
Signal artifact/noise487.1%3.1%
Inappropriate/inadequate shock/stimulation466.8%0.9%
Defective devicethe device was defective416.1%3.5%
Battery problema problem with the battery375.5%3.4%
Noise, audible345.1%0.8%
Incorrect, inadequate or imprecise result or readings263.9%4.3%
Failure to capture223.3%5.3%
Device sensing problem203%2.2%
High capture threshold182.7%2.6%
Low impedance172.5%2%
Impedance problem71%0.9%
Interrogation problem71%1.3%
Defibrillation/stimulation problem50.7%0.2%
Under-sensing50.7%2.1%
Delayed charge time40.6%0.1%

FDA's device problem codes as entered on the report; one report can carry several. Generic codes such as "no apparent adverse event" are left out.

Patient problems coded

Patient problem (FDA code)ReportsShare
Electric shockan electric shock324.8%
Sepsisa severe body-wide response to infection314.6%
Asystole91.3%
Shock from patient lead(s)91.3%
Muscle stimulation71%
Device overstimulation of tissue60.9%
Syncopefainting60.9%
Pocket erosion50.7%
Bradycardiaslow heart rate40.6%
Endocarditis40.6%
Hematomaa collection of blood under the skin or in tissue40.6%
Syncope/fainting40.6%
Deaththe patient died; cause not stated by this term30.4%
Dizzinesslight-headedness or unsteadiness30.4%
Ventricular fibrillationa chaotic rhythm from the lower heart chambers30.4%

Patient problem codes are present mainly in reports filed since 2019 and are often blank.

In context

MeasureEnergen Crt-DProduct code LWPAll MAUDE reports
Reports672157,49426,136,888
Share of that pool—0.4%0%
Classified as death, per 1,000 reports7129
Classified as injury67%57.3%36.2%
Classified as malfunction32.3%41.5%62.3%
Filed by the manufacturer100%99.3%94.9%

Shares are of reports, not of devices in use. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data."

Other brands with product code LWP

BrandReportsLatest 12 monthsClassified as death
Assurity Mri18,9952,0351.8%
Teligen16,537470.6%
Ingenio7,5394930.8%
Cognis8,69461.5%
Ingevity9,0392990.9%
Accolade4,33541.5%
Attain Otw7,77309.1%
Energen5,23700.6%
Energen Icd3,1511420.2%
ACUITY X4 Spiral S2,8164240.5%
ACUITY X4 Straight2,6723820.4%
Incepta Icd2,4971260.1%
Altrua4,12202.4%
Incepta4,32700.7%
Revo MRI SureScan1,996122.9%

Ordered by report count for navigation only. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data." FDA also states that "common products may have a higher number of adverse events due to the higher total number of people using the product."

Questions about Energen Crt-D reports

How many FDA reports name Energen Crt-D?

672 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 6 in the latest 12 months.

What kinds of events are reported?

injury (67%), malfunction (32.3%) and death (0.7%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.

What device problems are coded?

premature discharge of battery (28.1%), high impedance (21.1%), device displays incorrect message (18.9%), over-sensing (9.5%) and pacing problem (9.1%). These are FDA's device problem codes as entered on the report.

Who files these reports?

manufacturer reports (100%). Manufacturers and user facilities are required to report; voluntary reports come from health professionals and the public.

Do these reports show that Energen Crt-D was at fault?

No. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data." FDA adds that "a causal relationship cannot be established between product and reactions listed in a report."

How do I report a problem with a medical device?

Through FDA MedWatch (Form FDA 3500 for health professionals and consumers), or to the manufacturer. See the guide on how to report.

Where this comes from. Counts are built from the openFDA Device Adverse Event (MAUDE) bulk export released 28 Sep 2026, which holds reports FDA received through 31 Aug 2026. Brand, generic and manufacturer names are as written on the reports; product code names come from FDA's device classification. A report counts here when any device it lists carries this brand name after punctuation and capitalisation are normalised. No report narrative, lot number, patient detail or reporter identity is published. See the methodology and sources; FDA's record is authoritative, and corrections are handled within five working days.

Drug data (FAERS) through 30 Jun 2026; device data (MAUDE) through 31 Aug 2026. Not medical advice.