Evaluation of an Algorithm for Length Based Weight Estimation in Comparison to Known Devices

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

312 participants

Study Classification

OBSERVATIONAL

Study Start Date

2015-11-30

Study Completion Date

2017-11-30

Brief Summary

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The purpose of this prospective single center study is to investigate if a developed algorithm is more accurate than the Broselow Tape (BT). For this study 500 patients are required to collect anonymized data (length, weight, age, anaesthesia material used during anaesthesia) for achieving a power of 80% during statistical analysis. The main hypothesis ist that the algorithm has a better accuracy than the BT.

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Detailed Description

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This prospective single center study is performed at the university children's hospital zurich. Patients planned for surgery in general anaesthesia with intubation, aged 0 to 16 years and with a body length suitable for the emergency tapes can be included in this study. Patient and parental information is performed during the pre-anaesthetic visit.

After written consent the patient will be included. Patient ́s length and weight will be measures earliest one day before data collection. Data collection during anaesthesia has no influence on the daily anaesthesia routine and has no impact on patient safety and anaesthesia. Patient's data is made anonymous for further inspection. Data is documented in Microsoft Excel and statistical analysis calculated with SPSS.

500 patients are needed for a power of 80%. Primary outcome parameter is length- based weight estimation, secondary outcome parameters are length-based age estimation and the correctness of recommended anaesthesia material (endotracheal tube, laryngeal mask, oropharyngeal mask and face mask). Both tools (algorithm and BT) will be compared with each other regarding primary and secondary outcome parameters.

Conditions

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Weight-Estimation

Study Design

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Observational Model Type

CASE_ONLY

Study Time Perspective

PROSPECTIVE

Interventions

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Accuracy of an algorithm and the Broselow Tape

Computer based comparison of the two devices based on collected patient data

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* body length suitable with the investigated emergency tapes
* all patients aged 0 -16 years
* receiving general anaesthesia with intubation or laryngeal mask