Postoperative observation of patients is based on the Early Warning Score (EWS). By using continuous wireless monitoring of vital parameters it may be possible to predict the risk of complications after abdominal cancer surgery. The object of this pilot study is to test the equipment and methods for the next phases. Patients will be monitored for 4 days postoperatively and data is analyzed retrospectively. Vital parameters are monitored with ECG, blood pressure monitor and pulseoximetry. In the analysis the investigators will compare the results from the continuous monitoring to the measurements made by the nurses and registered in the EWS. The primary outcomes for the pilot study are the frequency of measurements resulting in a single parameter score of 3 according to the EWS algorithm.
Study Type
OBSERVATIONAL
Enrollment
50
Rigshospitalet
Copenhagen, Denmark
Bispebjerg Hospital
Copenhagen, Denmark
Heart rate resulting in a single parameter score of 3 according to EWS algorithm
All data from the monitoring will be analyzed using the thresholds from the EWS algorithm and will be sorted into relevant categories. The following thresholds are used: Bradycardia: pulse \< 41 bpm Tachycardia: pulse \> 130 bpm
Time frame: The patients are monitored for 4 days
Respiration rate resulting in a single parameter score of 3 according to EWS algorithm
Bradypnea: \< 9 breaths/min Tachypnea: \> 24 breaths/min
Time frame: The patients are monitored for 4 days
Blood pressure resulting in a single parameter score of 3 according to EWS algorithm
Hypotension: Systolic blood pressure \< 91 mmHg Hypertension: Systolic blood pressure \> 219 mmHg
Time frame: The patients are monitored for 4 days
Blood oxygen saturation resulting in a single parameter score of 3 according to EWS algorithm
Hypoxemia: arterial oxygen saturation \< 92 %
Time frame: The patients are monitored for 4 days
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