Diurnal variation of wearable device-based heart rate variability in the Chronic Renal Insufficiency Cohort study - Scorecard - MDSpire

Diurnal variation of wearable device-based heart rate variability in the Chronic Renal Insufficiency Cohort study

  • By

  • Carsten Skarke

  • Wei Yang

  • Daohang Sha

  • Nicholas F. Lahens

  • Tamara Isakova

  • Mark Unruh

  • Rajat Deo

  • Eunice Carmona-Powell

  • John H. Holmes

  • Elaine Ficarra

  • Jing Chen

  • Jiang He

  • Hernan Rincon-Choles

  • Vallabh Shah

  • Chi-yuan Hsu

  • Amanda H. Anderson

  • James P. Lash

  • Mahboob Rahman

  • November 13, 2025

  • 0 min

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Clinical Scorecard: Daily Fluctuations in Heart Rate Variability Monitored by Wearable Devices in the Chronic Renal Insufficiency Cohort Study

At a Glance

CategoryDetail
ConditionChronic Kidney Disease (CKD) with cardiovascular risk
Key MechanismsHeart rate variability (HRV) as a marker of autonomic function influenced by diabetes, proteinuria, and circadian rhythms
Target PopulationAdults with chronic kidney disease, including those with diabetes and cardiovascular disease
Care SettingOut-of-clinic, ambulatory monitoring using wearable EKG devices

Key Highlights

  • Continuous wearable EKG monitoring over ~50 hours in 458 CKD participants demonstrated feasibility and provided detailed HRV data.
  • Diabetes and higher proteinuria levels were significantly associated with lower SDNN, indicating reduced heart rate variability and higher cardiovascular risk.
  • Time-specific HRV metrics may serve as predictive biomarkers for cardiovascular outcomes in CKD, supporting personalized risk stratification.

Guideline-Based Recommendations

Diagnosis

  • Use wearable EKG devices to obtain continuous HRV measurements in CKD patients for cardiovascular risk assessment.
  • Assess SDNN as a key HRV metric, with values ≤33.7 ms indicating low HRV and increased cardiovascular risk.

Management

  • Monitor and manage diabetes and proteinuria aggressively to potentially improve HRV and reduce cardiovascular risk in CKD.
  • Incorporate time-of-day variability in HRV into clinical evaluations to identify high-risk CKD subgroups.

Monitoring & Follow-up

  • Implement multi-day continuous HRV monitoring using wearable devices to capture diurnal fluctuations and disease burden.
  • Regularly evaluate HRV changes in relation to clinical and demographic factors such as diabetes status and proteinuria levels.

Risks

  • Low HRV (reduced SDNN) is associated with higher cardiovascular morbidity and mortality in CKD patients.
  • Absence of circadian rhythmicity in cardiovascular parameters correlates with increased risk of cardiovascular death.

Patient & Prescribing Data

CKD patients with and without diabetes and cardiovascular disease

Diabetic CKD patients and those with higher proteinuria exhibit lower HRV, suggesting a need for targeted interventions to mitigate cardiovascular risk.

Clinical Best Practices

  • Utilize wearable EKG technology for out-of-clinic, real-world HRV monitoring in CKD patients.
  • Interpret HRV metrics such as SDNN in the context of patient-specific factors including diabetes and proteinuria.
  • Incorporate circadian rhythm analysis into cardiovascular risk stratification protocols for CKD.
  • Recognize low HRV as a marker for increased cardiovascular risk and consider intensified monitoring and management.

References

Original Source(s)

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