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Materno-Fetal Outcomes of COVID-19 Infected Pregnant Women Managed at the Douala Gyneco-Obstetric and Pediatric Hospital—Cameroon

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Open Journal of Obstetrics and Gynecology 2020年第9期10卷 1279-1294页

作者： Alphonse Nyong Ngalame Humphry Tatah Neng Rakya Inna Dominique Tamchom Djomo Diane Estelle Modjo Kamdem Bilkissou Moustapha Julie Ngo Batta Diomede Njinkui Noukeu Dominique Enyama Rodrigue Tiokeng Yannick Onana Yves Moumbe Martial Zanga jules fils ndongo Armand Kamga Robert Tchounzou Ultrich Keumayou Lemone Chingnabo Toudjirob Djiallati Emmanuel Passoret Estella Toyoum Ramadji Jean Blaise Ebimbe Servais Albert F. Bagnaka Eloumou Darolles Wekam Mwadjie Guy Pascal Ngaba Emile Telesphore Mboudou Gynecology and Obstetrics Unit Douala Gyneco-Obstetric and Pediatric Hospital Douala Cameroon Faculty of Medicine and Biomedical Sciences University of Ngaoundere Ngaoundere Cameroon Faculty of Medicine and Pharmaceutical Sciences University of Dschang Dschang Cameroon Faculty of Medicine and Biomedical Sciences University of Yaounde I Yaounde Cameroon Faculty of Health Sciences University of Buea Buea Cameroon Faculty of Medicine and Pharmaceutical Sciences University of Douala Douala Cameroon

Introduction: The first case of the novel coronavirus (COVID-19) pandemic in Cameroon was confirmed on March 6, 2020. Though widely considered that pregnant women are more susceptible to respiratory tract infections, the available body of literature on the effect of COVID-19 on pregnancy outcomes is shy from being conclusive. In Cameroon, the Douala Gyneco-Obstetric and Pediatric Hospital (DGOPH) was one of the main frontline tertiary health facilities for the management of severe forms of the disease. After four months of managing COVID-19 cases in the general population and especially in pregnant women at the DGOPH, we decided to take a stop, analyze our findings from the patients managed in order to drive future policies and clinical practices via informed decisions. Overall objective: To describe and understand the clinical burden of patients managed for COVID-19 in pregnancy or post-partum at the DGOPH. Methodology: Cross-sectional and descriptive study covering four months—March 24th to July 24th 2020 at DGOPH. Using a pretested questionnaire, we systematically enrolled all patients who fulfilled the inclusion criteria, with analysis done using proportions from an excel spreadsheet. Results: A total of 18 on the 301 pregnant women consulted

关键词： COVID-19 DGOPH Pregnancy Outcome Mortality

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Height-Diameter Relationship of Some Forest Species Exploited for Wood in the Natural Tropical Forest of the Congo Basin

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Open Journal of Forestry 2022年第2期12卷 235-247页

作者： Amougou Ndi Yves Achille Hans Beeckman ndongo Din Amougou Amougou François Borgia Zekeng jules Christian Mbolo Marie Marguerite Botany-Ecology Laboratory Department of Plant Biology Faculty of Science The University of Yaounde 1 Yaounde Cameroon Wood Biology and Xylarium Laboratory Royal Museum for Central Africa Tervuren Belgium Department of Plant Biology Faculty of Science The University of Douala Douala Cameroon Institut de Recherche Agronomique pour le Développement (IRAD) Ngaoundéré Cameroon

To enrich knowledge on the growth dynamics of commercial forest species in the Congo Basin, a study was conducted in Cameroon, within a community forest in savannah forest transition zone (Zone 1) and within FMU 10 052 in dense semi-deciduous humid forest (Zone 2). It aimed to obtain, in 8 species, the height (H) of the tree from its diameter (D) more accessible: Entandophragma cylindricum (Meliacea), Eribroma oblongum, Sterculia rhinopetala et Triplochiton scleroxylon (Malvaceae);Erythrophleum suaveolens et Piptadeniastrum africanum (Fabaceae), Milicia excelsa (Moraceae) et Terminalia superba (Combretaceae). The destructive method was used. After felling and flushing out a tree, the dendrometric parameters were measured and/or calculated. In Zone 1, 6 species including T. scleroxylon were calibrated using 30 trees of each. In Zone 2, 45 trees of E. cylindricum, 99 of E. suaveolens and 82 of T. scleroxylon constituted the sample. At the 5% threshold (95% confidence interval), the height-diameter relationship is a linear model. In all species, the height of a tree is predicted by measuring its diameter through linear regression. In Zone 1 regression equation is: H(m) = 28.13 + 19.09 * D(m) for T. scleroxylon;H(m) = 12.35 + 30.38 * D(m) for S. rhinopetala;H(m) = 23.09 + 26.42 * D(m) for E. oblongum;H(m) = 14.86 + 20.92 * D(m) for P. africanum;H(m) = 14.98 + 24.78 * D(m) for T. superba and H(m) = 1.55 + 32.37 * D(m) for M. excelsa. In Zone 2, the relationship is: H(m) = 27.40 + 14.21 * D(m) for T. scleroxylon;H(m) = 7.79 + 20.18 * D(m) for E. cylindricum and H(m) = 20.08 + 9.74 * D(m) for E. suaveolens (probability associated with F < 0.0001). The influence of site parameters (biotic and abiotic) on the height-diameter relationship should be more studied in multilayers forests specifically in the Congo Basin.

关键词： Relationship Height Diameter Tree Natural Rainforest

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