Perioperative medicine & outcomes

Evaluation of a wrist-worn photoplethysmography monitor for heart rate variability estimation in patients recovering from laparoscopic colon resection

J Clin Monit ComputPublished Diagnostic accuracy study

Authors' conclusion

The wrist PPG shows some potential for use in a clinical setting.

Study context

Population
Patients recovering from laparoscopic colon resection, monitored for three days or until discharge or reoperation
Participants
31 patients
Comparison
Wrist-worn PPG monitor vs Holter ECG reference
Outcome
Accuracy of HRV parameters obtained with wrist PPG vs ECG reference
Methodological detailspost hoc analysis, retrospectively registered
  • Post hoc analysis
  • Retrospectively registered

Performance

As reported in the abstract

Beat-to-beat interval accuracy and HRV parameter relative MAE
Test or modelBeat-to-beat mean error (ME)Beat-to-beat mean absolute error (MAE)SDNN relative MAETRI relative MAETINN relative MAERMSSD relative MAEpNN50 relative MAENN50 relative MAESD2 relative errorDFA α1 relative errorDFA α2 relative errorSD1 relative error
Wrist PPG- 1.34 ms10.4 ms9.11%11.4%11.1%34.3%139%188%7.5%8.25%4.71%34.3%

Wrist PPG

Beat-to-beat mean error (ME)- 1.34 ms
Beat-to-beat mean absolute error (MAE)10.4 ms
SDNN relative MAE9.11%
TRI relative MAE11.4%
TINN relative MAE11.1%
RMSSD relative MAE34.3%
pNN50 relative MAE139%
NN50 relative MAE188%
SD2 relative error7.5%
DFA α1 relative error8.25%
DFA α2 relative error4.71%
SD1 relative error34.3%

Original publication

Evaluation of a wrist-worn photoplethysmography monitor for heart rate variability estimation in patients recovering from laparoscopic colon resection. J Clin Monit Comput. Published 8 April 2022. doi:10.1007/s10877-022-00854-w

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