Publications by authors named "J Lessard"
Article Synopsis
- The study aimed to assess how often older adults (65+) experience negative health outcomes during hospital stays after being treated for isolated hip fractures in emergency departments in Quebec.
- Involving 4,569 patients over a 14-year period, it found that 40% experienced at least one adverse event, with common issues including extended hospital stays, complications, and mortality.
- Key risk factors for these events included advanced age (over 75), male sex, cardiovascular disease, cognitive disorders, and multiple health conditions, while direct admission to surgery appeared to reduce risks.
Article Synopsis
- Urbanization poses a significant threat to biodiversity, particularly affecting wild bee populations, which are declining globally.
- The study explores how floral traits, specifically nectar sugar concentration and corolla length, influence bee species richness in urban green spaces in Montreal, supporting the idea that diverse flower shapes can help sustain bee communities.
- The results indicate that enhancing the variety of floral morphologies can positively impact wild bee diversity, suggesting effective management practices for urban ecosystems.
Study Objective: To evaluate the clinical effect, safety, and clinical outcomes of focused transesophageal echocardiography (TEE) in the evaluation of critically ill patients in the emergency department (ED) and ICUs.
Methods: We established a prospective, multicenter, observational registry involving adult critically ill patients in whom focused TEE was performed for evaluation of out-of-hospital cardiac arrest (OHCA), inhospital cardiac arrest, evaluation of undifferentiated shock, hemodynamic monitoring, and/or procedural guidance in the ED, ICU, or operating room setting. The primary objective of the current investigation was to evaluate the clinical influence and safety of focused, point-of-care TEE in critically ill patients.
The primed epiblast acts as a transitional stage between the relatively homogeneous naïve epiblast and the gastrulating embryo. Its formation entails coordinated changes in regulatory circuits driven by transcription factors and epigenetic modifications. Using a multi-omic approach in human embryonic stem cell models across the spectrum of peri-implantation development, we demonstrate that the transcription factors ZIC2 and ZIC3 have overlapping but essential roles in opening primed-specific enhancers.
View Article and Find Full Text PDFMaterials with hierarchical architectures that combine soft and hard material domains with coalesced interfaces possess superior properties compared with their homogeneous counterparts. These architectures in synthetic materials have been achieved through deterministic manufacturing strategies such as 3D printing, which require an a priori design and active intervention throughout the process to achieve architectures spanning multiple length scales. Here we harness frontal polymerization spin mode dynamics to autonomously fabricate patterned crystalline domains in poly(cyclooctadiene) with multiscale organization.
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