In 2018, multiple blood pressure monitor manufacturers issued voluntary recalls after detecting calibration and validation issues that could affect measurement accuracy. These recalls primarily involved automated upper arm and wrist devices sold under well-known retail and pharmacy brands.
Patients and clinicians concerned about home readings were advised to verify device model numbers against recall notices and follow manufacturer instructions for inspection, replacement, or in-place servicing.
| Brand | Model(s) | Issue Type | Action Taken | Consumer Impact |
|---|---|---|---|---|
| Omron | Hem-7120, Hem-705CP | Pressure sensor calibration drift | Field correction and free replacement cuff | Potential over- or under-reading until serviced |
| Microlife | AFIB-BP1, BP A200 | Algorithm validation shortfall | Software update and validation guidance | Irregular heart rhythm detection may require confirmation |
| Withings | BPM Core | Cuff fitting and pressure limit concern | Firmware update and inspection program | Incorrect fit could yield unstable readings |
| Greater Goods | WiNWI BP1 | Component defect risk | Full refund or replacement device | Device may stop working or display error |
2018 Blood Pressure Device Market Context
The 2018 recalls occurred amid rising consumer adoption of automated home blood pressure monitors. Regulators and manufacturers intensified scrutiny around accuracy, usability, and post-market surveillance as connected devices entered more households.
Health systems and pharmacies played a key role in outreach, helping patients identify affected units and arrange corrective actions without disrupting ongoing hypertension management.
Understanding Automated Blood Pressure Accuracy
Technical Sources of Measurement Error
In 2018, the identified issues often traced to pressure sensor drift, software bugs in averaging algorithms, and inconsistent cuff fit guidance. These factors could produce clinically meaningful deviations, especially for patients near treatment thresholds.
Role of Validation Protocols
Industry and regulatory validation standards such as AHA/ESH protocols require repeated testing across diverse arm sizes and clinical conditions. Devices recalled in 2018 highlighted gaps between laboratory validation and real-world usage patterns.
Recall Notification and Consumer Steps
Manufacturers published model-specific notices via regulator websites, press releases, and direct mail to purchasers. Patients were encouraged to register devices, check serial numbers, and apply recommended updates without delaying needed monitoring.
For uncertain users, consulting a pharmacist or clinician helped interpret recall details and decide whether to continue using the device temporarily while awaiting service.
Clinical Guidance Around Home Readings
Confirming Suspect Measurements
Clinicians typically addressed potential device-related discrepancies with repeated seated measurements, cross-check against calibrated clinic devices, and ambulatory blood pressure monitoring when appropriate.
Therapeutic Decisions and Device Reliance
Treatment adjustments were based on confirmed elevated readings rather than single home device outputs, underscoring the importance of verification after a recall.
Key Takeaways for Ongoing Blood Pressure Monitoring
- Check device model and serial number against 2018 and current recall databases periodically.
- Prefer validated upper arm monitors with clear cuff fit guidance for reliable home readings.
- Schedule periodic professional calibration or cross-checks, especially after sensor or software issues.
- Pair home data with clinical review to guide therapy and minimize measurement-related risk.
Future Monitoring Practices Beyond 2018 Recalls
Ongoing improvements in sensor design, connectivity, and automated validation checks aim to reduce recall frequency. Patients and clinicians can benefit from clearer labeling, robust post-market surveillance, and proactive maintenance protocols.
FAQ
Reader questions
Which 2018 recalled models are most likely to affect my home readings?
If you own an Omron Hem-7120 or Hem-705CP, a Microlife AFIB-BP1 or BP A200, a Withings BPM Core, or a Greater Goods WiNWI BP1, verify your model against official recall lists and follow manufacturer instructions.
Can I keep using my device while waiting for replacement?
Continue monitoring as advised by your clinician, but confirm critical readings with an alternative validated monitor or professional measurement until the recalled unit is inspected or replaced.
Will a firmware or software update fully resolve the issue?
For many models, manufacturer-provided firmware or replacement cuffs addressed the identified problems, yet follow-up checks remained essential to ensure accuracy within clinical tolerances.
How can I confirm my cuff size is appropriate after recall resolution?
Reconfirm cuff fit by measuring mid-arm circumference and selecting the correct cuff band; improper cuff size is a common independent source of measurement error.