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1.
Infect Dis Model ; 9(1): 234-244, 2024 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-38303993

RESUMO

This work introduces the Queen's University Agent-Based Outbreak Outcome Model (QUABOOM). This tool is an agent-based Monte Carlo simulation for modelling epidemics and informing public health policy. We illustrate the use of the model by examining capacity restrictions during a lockdown. We find that public health measures should focus on the few locations where many people interact, such as grocery stores, rather than the many locations where few people interact, such as small businesses. We also discuss a case where the results of the simulation can be scaled to larger population sizes, thereby improving computational efficiency.

2.
Laryngoscope ; 134(6): 2889-2897, 2024 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-38189807

RESUMO

OBJECTIVES: To use synchrotron radiation phase-contrast imaging (SR-PCI) to visualize and measure the morphology of the entire cochlear scala tympani (ST) and assess cochlear implant (CI) electrode trajectories. METHODS: SR-PCI images were used to obtain geometric measurements of the cochlear scalar diameter and area at 5-degree increments in 35 unimplanted and three implanted fixed human cadaveric cochleae. RESULTS: The cross-sectional diameter and area of the cochlea were found to decrease from the base to the apex. This study represents a wide variability in cochlear morphology and suggests that even in the smallest cochlea, the ST can accommodate a 0.4 mm diameter electrode up to 720°. Additionally, all lateral wall array trajectories were within the anatomically accommodating insertion zone. CONCLUSION: This is the first study to use SR-PCI to visualize and quantify the entire ST morphology, from the round window to the apical tip, and assess the post-operative trajectory of electrodes. These high-resolution anatomical measurements can be used to inform the angular insertion depth that can be accommodated in CI patients, accounting for anatomical variability. LEVEL OF EVIDENCE: N/A. Laryngoscope, 134:2889-2897, 2024.


Assuntos
Cadáver , Implante Coclear , Implantes Cocleares , Rampa do Tímpano , Síncrotrons , Humanos , Implante Coclear/métodos , Rampa do Tímpano/cirurgia , Rampa do Tímpano/anatomia & histologia , Cóclea/cirurgia , Cóclea/anatomia & histologia , Cóclea/diagnóstico por imagem
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