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Ancestral - Springer Nature

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Last Updated: 10 August 2022

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Incidence of pulmonary embolism in COVID-19 infection in the ED: ancestral, Delta, Omicron variants and vaccines

This retrospective review explores the incidence of pulmonary embolism during computed tomography pulmonary angiography exams administered in a tertiary care center's emergency room environment during several decades of COVID-19's traditional, Delta, and Omicron variants. Patients with COVID positive incidence of PE was compared between variant waves. During the Delta period and 17. 3% during the Omicron wave, CTPA was ordered in 18. 3 percent of COVID-19 positive patients during the ancestral variant period, 18. 3% during the Delta period, and 17. 3% during the Omicron wave. In 15. 0% of the ancestral COVID-19 variant cohort, 10. 6% in the Delta COVID cohort, and 9. 23% of the Omicron cohort, presenting a 41 percent and 60% risk of PE with ancestral variants compared to Delta and Omicron periods respectively. Compared to vaccinated or recovered patients, unvaccinated patients had a 2. 75-fold higher risk of COVID-associated PE during the Delta and Omicron periods.

Source link: https://doi.org/10.1007/s10140-022-02039-z


Loss of ancestral food practices and perception of its effect on children’s health among Inga indigenous grandmothers, Nariño, Colombia

This research is aimed at finding the changes in ancestral food practices reported by Inga grandmothers and the possibility of restoring them in order to improve children's health. Methods A qualitative analysis of mothers and children under the age of five in nine Inga communities was conducted. A translator of the Inga language eased communication, and an Inga researcher validated the translation using audio recordings. Conclusions The results show that it is imperative to avoid the loss of Inga food culture by elders, politicians who are respected by the community, and government technicians who help to restore the value of the country's u201cchagrau201d farming program, as suggested by the grandmothers.

Source link: https://doi.org/10.1186/s12889-022-13828-z


The developing bird pelvis passes through ancestral dinosaurian conditions

Living birds' bodies have been greatly modified from their ancestral reptilian habitat. 1. 2 – 2 — During the transition from ancient archosaurs to living birds, the avian pelvis in particular underwent significant changes. Many ancestral fossil fossils are transiently present in birds' early morphogenesis and show their typical u2018avianu2019 appearance after transitioning through a prenatal developmental sequence that follows the phylogenetic sequence of character acquisition. We quantitatively show that avian pelvic ontogeny matches the non-avian dinosaur-to-bird transition, as well as providing evidence for phenotypic covariance within the pelvis that is preserved in Archosauria. This conserved covariant relationship may have triggered the presence of ancestral states in avian embryos.

Source link: https://doi.org/10.1038/s41586-022-04982-w


Ancestral Lineages in Mutation Selection Equilibria with Moving Optimum

More precisely, we use a deterministic model to analyze the phenotypic variation of a population under selection when the fitness optimum maintains constant velocity. In particular, we find that in asexual populations, typical ancestors of present day had characteristics that were much closer to the fitness optimum than those living at the same time. We obtain an exact formula for the common ancestral lineage in this period by using the description of the Hamilton Jacobi equation as a minimizer of an optimization problem.

Source link: https://doi.org/10.1007/s11538-022-01048-w

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions