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1.
La Revue de Médecine Légale ; 2022.
Article in English | ScienceDirect | ID: covidwho-1757664

ABSTRACT

Résumé Introduction La COVID-19 a entraîné une réorganisation profonde des systèmes de santé et impacté fortement les activités quotidiennes de la population. L’objectif de notre étude est de comparer les caractéristiques des autopsies durant la période de confinement total français de 2020 par rapport à 2019. Matériel et méthodes Nous avons analysé toutes les autopsies médico-légales réalisées au sein des instituts médico-légaux de Toulouse et de Grenoble du 17 mars au 11 mai 2020 (période du confinement total) par rapport à la même période en 2019. L’objectif principal de l’étude était de comparer le nombre moyen d’autopsies. Les objectifs secondaires étaient : le pourcentage et le type de mort violente, la levée de corps, l’état de putréfaction, le lieu du décès, l’âge et le sexe. Résultats Deux cents autopsies médico-légales ont été réalisées en 2019 et 95 en 2020 pendant la période considérée. Le nombre d’autopsies moyen par semaine était de 25 (SD=6,8) en 2019 et de 12,5 (SD=3,5) en 2020 (p<0,001). Il n’a pas été montré de différence significative sur les différents critères de jugement secondaire en dehors des décès en maison de retraite et des morts violentes par attentat, statistiquement significatifs après ajustement sur les tribunaux et les centres (p<0,001). Conclusion Le nombre d’autopsies a été divisé par deux pendant le confinement, sans modification du profil des autopsies réalisées, ne permettant pas d’identifier une modification éventuelle des décès par l’effet direct du confinement, ni de dégager un profil d’autopsie médico-légale apparaissant comme étant d’une particulière importance durant le confinement. Summary Introduction COVID-19 is a global pandemic causing a major reorganization of health systems and a significant impact on many people's daily activities by lockdown mandates. The aim of our study is to compare the characteristics of the autopsies performed during the complete French lockdown in 2020 to the same period the preceding year. Material and methods We analysed all the medico-legal autopsies performed in Toulouse and Grenoble, two French forensic institutes from March 17 to May 11 in 2020 (period of the complete French Lockdown) compared to the same period of 2019. The main objective was to evaluate to difference in the number of autopsies performed. The secondary aims were to compare the characteristics of these autopsies: violent death, types of violent death, scene examination report, putrefied body, place of death, age, and sex. Results In total, 200 medico-legal autopsies were performed in 2019, 95 in 2020 during the reporting period. Weekly number of autopsies was 25 (SD=6.8) in 2019 and 12.5 (SD=3.5) in 2020 (P<0.001). No significant difference was found concerning the secondary aims except for two criteria with very low population (deaths in retirement homes and attacks). Conclusion Number of autopsies was divided by two during the lockdown compared to the control period year without modification of the other characteristics of the autopsies. These results do not allow evaluating a modification of the cause of death by the lockdown or defining some characteristics of the death appearing to be more important during lockdown.

2.
Ann Pathol ; 41(1): 9-22, 2021 Feb.
Article in French | MEDLINE | ID: covidwho-1226268

ABSTRACT

The infection due to the SARS-CoV-2 leads lesions mainly observed at the respiratory tract level, but not exclusively. The analyses of these lesions benefited from different autopsy studies. Thus, these lesions were observed in different organs, tissues and cells. These observations allowed us to rapidly improve the knowledge of the pathophysiological mechanisms associated with this emergent infectious disease. The virus can be detected in formalin fixed paraffin embedded tissues using immunohistochemistry, in situ hybridization, molecular biology and/or electron microscopy approaches. However, many uncertainties are still present concerning the direct role of the SARS-CoV-2 on the different lesions observed in different organs, outside the lung, such as the heart, the brain, the liver, the gastrointestinal tract, the kidney and the skin. In this context, it is pivotal to keep going to increase the different tissue and cellular studies in the COVID-19 positive patients aiming to better understanding the consequences of this new infectious disease, notably considering different epidemiological and co-morbidities associated factors. This could participate to the development of new therapeutic strategies too. The purpose of this review is to describe the main histological and cellular lesions associated with the infection due to the SARS-CoV-2.


Subject(s)
COVID-19/pathology , Autopsy , COVID-19/virology , Fibrosis/pathology , Fibrosis/virology , Histocytochemistry , Humans , Immunohistochemistry , In Situ Hybridization , Kidney/pathology , Kidney/virology , Liver/pathology , Liver/virology , Lung/pathology , Lung/virology , SARS-CoV-2/pathogenicity , Skin/pathology , Skin/virology , Thrombosis/pathology , Thrombosis/virology
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