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Record W3171106857 · doi:10.22215/etd/2020-14398

Investigating Vibration Levels in Neonatal Patient Transport

2020· dissertation· en· W3171106857 on OpenAlexaffabout
F. Darwaish

Bibliographic record

Venuenot available
Typedissertation
Languageen
FieldMedicine
TopicInjury Epidemiology and Prevention
Canadian institutionsCarleton University
Fundersnot available
KeywordsVibrationShakerWhole body vibrationStatic testingMedicineEngineeringStructural engineeringAcousticsPhysics

Abstract

fetched live from OpenAlex

Canada's first standardized Neonatal Patient Transport System (NPTS) has recently been introduced in Ontario.Vibrations experienced by neonatal patients during transport in the NPTS have been a source of concern, since previous studies have suggested that such vibrations could increase morbidity and mortality rates for neonates.This thesis develops an experiment protocol to quantify vibration exposure for neonates both on-road and in a standardized test environment.A road test mimicking actual transport was carried in a ground ambulance with the NPTS.Experiments in the standardized test environment have demonstrated the first successful installation and validation of an entire NPTS atop an industrial shaker table.The shaker table was used to simulate the motion of the ground ambulance vehicle floor with acceptable fidelity, and to test different variables.On-road results show an amplification of vibrations at the neonate's head, relative to the floor, most notably at frequencies surrounding 9.5 Hz, and that neonates likely experience vibration levels exceeding the standards recommended for adults.Shaker table results demonstrate that the custom mattresses decreased the vibration when compared to the currently used Geo-Matrix™ mattress by 2-4 times, and the use of a head restraint harness showed a decrease in vibration when compared to the standard five-point harness by 1.7-3.3times.These findings suggest the use of one of the custom mattresses in combination with the head restraint harness during neonatal transport.In addition, an analysis of vibration propagation through the NTPS equipment stack provides constructive suggestions for future research into mitigation strategies. 5.2.3Data Preprocessing ........

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.002
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: Observational
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.077
Threshold uncertainty score0.154

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.002
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0010.000
Scholarly communication0.0010.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0020.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.035
GPT teacher head0.321
Teacher spread0.286 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designObservational
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations2
Published2020
Admission routes2
Has abstractyes

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