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Nkeck JR, Ondoa HOB, Hamadjoda S, Essama DB, Talongong BF, Ngandeu-Singwe M. Développement d´un questionnaire d´évaluation des apports calciques journaliers chez le Camerounais (QUEVACC). Pan Afr Med J 2023; 46:1. [PMID: 37928218 PMCID: PMC10620323 DOI: 10.11604/pamj.2023.46.1.41310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Accepted: 08/23/2023] [Indexed: 11/07/2023] Open
Affiliation(s)
- Jan René Nkeck
- Equipe de Recherche en Rhumatologie de Yaoundé (ERRY), Yaoundé, Cameroun
- Laboratoire de Rhumatologie Clinique, Faculté de Médecine et des Sciences Biomédicales, Université de Yaoundé I, Yaoundé, Cameroun
- Service de Médecine Interne, Centre Hospitalier Régional d´Ebolowa, Ebolowa, Cameroun
- Service de Rhumatologie, Hôpital Central de Yaoundé, Yaoundé, Cameroun
| | | | - Saquinatou Hamadjoda
- Equipe de Recherche en Rhumatologie de Yaoundé (ERRY), Yaoundé, Cameroun
- Laboratoire de Rhumatologie Clinique, Faculté de Médecine et des Sciences Biomédicales, Université de Yaoundé I, Yaoundé, Cameroun
| | - Doris Bibi Essama
- Equipe de Recherche en Rhumatologie de Yaoundé (ERRY), Yaoundé, Cameroun
| | - Baudelaire Fojo Talongong
- Equipe de Recherche en Rhumatologie de Yaoundé (ERRY), Yaoundé, Cameroun
- Laboratoire de Rhumatologie Clinique, Faculté de Médecine et des Sciences Biomédicales, Université de Yaoundé I, Yaoundé, Cameroun
- Service de Rhumatologie, Hôpital Central de Yaoundé, Yaoundé, Cameroun
| | - Madeleine Ngandeu-Singwe
- Equipe de Recherche en Rhumatologie de Yaoundé (ERRY), Yaoundé, Cameroun
- Laboratoire de Rhumatologie Clinique, Faculté de Médecine et des Sciences Biomédicales, Université de Yaoundé I, Yaoundé, Cameroun
- Service de Rhumatologie, Hôpital Central de Yaoundé, Yaoundé, Cameroun
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Nkeck JP, Nkeck JR, Chedjou JP, Ndoadoumgue AL, Essama DB, Afane Ze E, Mbacham WF. MCP-1-2518 (A>G) polymorphism and asthma risk: a pilot case-control study in Cameroon. Pan Afr Med J 2023; 44:166. [PMID: 37455894 PMCID: PMC10349619 DOI: 10.11604/pamj.2023.44.166.38544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 04/01/2023] [Indexed: 07/18/2023] Open
Abstract
Introduction there is little data on the genetic determinants of asthma in Cameroon and sub-Saharan Africa, yet the involvement of genetics in the pathogenesis of this disease has been reported in the literature for several years. This study aims to investigate the possible role of MCP-1 2518 for the risk of asthma in Cameroonians. Methods we performed a case-control study on 30 volunteers suffering from asthma, matched by aged and sex to 30 healthy subjects. We determine the polymorphism of MCP-1 2518 using restriction fragment length polymorphism following Polymerase Chain Reaction (RFLP-PCR). Fisher exact test was used to compare proportions, with a threshold of significance set at 0.05. Results the average age of cases was 21±10 years with 17 (56.7%) females. The distribution of the MCP-1-2518 (A>G) gene polymorphism in people with asthma was as follows: 3 for AA, 5 for GG, and 22 for AG. The minor G allele was predominant (90%) in people with asthma. It was significantly associated with asthma whether the genotype was heterozygous AG or homozygous GG (p<0.01). Conclusion MCP-1-2518 (A>G) shows an association with asthma in our sample. Future larger studies evaluating several polymorphisms are needed to describe the genetic determinants of asthma in Cameroon and sub-Saharan Africa.
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Affiliation(s)
- Jériel Pascal Nkeck
- Faculty of Medicine and Biomedical Sciences, University of Yaoundé I, Yaoundé, Cameroon
| | - Jan René Nkeck
- Faculty of Medicine and Biomedical Sciences, University of Yaoundé I, Yaoundé, Cameroon
| | - Jean-Paul Chedjou
- Laboratory of Public Health Biotechnology, Biotechnology Centre of the University of Yaoundé I, Yaoundé, Cameroon
| | - Aude Laetitia Ndoadoumgue
- Faculty of Medicine and Biomedical Sciences, University of Yaoundé I, Yaoundé, Cameroon
- School of Health and Related Research, The University of Sheffield, United Kingdom
| | - Doris Bibi Essama
- Faculty of Medicine and Biomedical Sciences, University of Yaoundé I, Yaoundé, Cameroon
| | - Emmanuel Afane Ze
- Faculty of Medicine and Biomedical Sciences, University of Yaoundé I, Yaoundé, Cameroon
- Pneumology Unit, Jamot Hospital of Yaoundé, Yaoundé, Cameroon
| | - Wilfred Fon Mbacham
- Faculty of Medicine and Biomedical Sciences, University of Yaoundé I, Yaoundé, Cameroon
- Laboratory of Public Health Biotechnology, Biotechnology Centre of the University of Yaoundé I, Yaoundé, Cameroon
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Nganou-Gnindjio CN, Essama DB, Nkeck JR, Tchebegna PY, Tchatchouang KM, Tankeu A, Kamgno J. Prevalence and factors associated with hypertension among school children and adolescents in urban and semi-urban areas in Cameroon. J Clin Hypertens (Greenwich) 2021; 23:1490-1497. [PMID: 34152698 PMCID: PMC8678760 DOI: 10.1111/jch.14309] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 05/29/2021] [Accepted: 06/02/2021] [Indexed: 12/22/2022]
Abstract
Few data to date exist on pediatric hypertension (PH) prevalence and risk factors in semi-urban areas in Cameroon, and they are believed to be the same as urban areas. These data are needed to design targeted preventive strategies and contribute to reducing the burden of PH in Cameroon and countries with equivalent standards of care. The authors conducted a cross-sectional study, from November, 2017 to June, 2018, in primary and secondary schools, from semi-urban (Bamboutos, West Region) and urban (Mfoundi, Center Region) settings in Cameroon, including children and adolescent aged between 3 and 19 years, recruited on a stratified probability sampling. PH was defined according to the American Academy of Pediatrics 2017. Overall, 1001 and 842 participants were, respectively, included in urban and semi-urban areas. The overall average age was 13.9 ± 4.03 years, and two-thirds were girls. Overweight and obesity were more prevalent in urban area (overweight: 17.1%; obesity: 5.9%), compared to semi-urban (overweight: 1.1% and obesity: 0.8%) (p < .001). The prevalence of hypertension was higher in urban (12%) than semi-urban areas (8.6%) (p = .01). We have identified as factors associated with PH: age > 14 years (OR = 3.18 [1.6; 6.2]) and secondary level of education (OR = 2.5 [1.2; 5.5]) in urban areas; family history of hypertension (OR 1.93 [1.1; 3.4] in semi-urban areas. PH prevalence is higher in urban than semi-urban areas, and the associated factors are not the same. Policies to address hypertension in the pediatric population must be targeted and tailored to the different population profiles.
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Affiliation(s)
- Chris Nadège Nganou-Gnindjio
- Faculty of Medicine and Biomedical Sciences, University of Yaoundé 1, Yaoundé, Cameroon.,Cardiology Department, Yaoundé Central Hospital, Yaoundé, Cameroon
| | - Doris Bibi Essama
- Faculty of Medicine and Biomedical Sciences, University of Yaoundé 1, Yaoundé, Cameroon
| | - Jan René Nkeck
- Faculty of Medicine and Biomedical Sciences, University of Yaoundé 1, Yaoundé, Cameroon
| | | | | | - Aurel Tankeu
- Faculty of Medicine and Biomedical Sciences, University of Yaoundé 1, Yaoundé, Cameroon
| | - Joseph Kamgno
- Faculty of Medicine and Biomedical Sciences, University of Yaoundé 1, Yaoundé, Cameroon
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Nganou-Gnindjio CN, Kenmogne D, Essama DB, Nkeck JR, Yanwou N, Foumane P. Persistent hypertension after preeclampsia in a group of Cameroonians: Result of a cross-sectional study and perspectives to reduce its burden in Limited Income Countries. J Clin Hypertens (Greenwich) 2021; 23:1246-1251. [PMID: 33960628 PMCID: PMC8678792 DOI: 10.1111/jch.14260] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 04/01/2021] [Accepted: 04/05/2021] [Indexed: 12/16/2022]
Abstract
Preeclampsia/eclampsia significantly increases the risk of future hypertension. Several factors may be involved in this process. The purpose of this study was to identify them in Cameroonians. We conduct a cross‐sectional study including women aged 18 to 45 years, who deliver between December 2011 and 2016, and were diagnosed and followed up for preeclampsia/eclampsia in two major obstetrical and gynecologic units in Yaoundé (Cameroon). Those with persistent high‐blood pressure after 6 months were classified as persistent hypertension (PH). Associated factors were investigated using multivariate analysis with logistic regression and presented with an adjusted odds ratio (aOR) and the 95% confidence interval. 92 participants were included, with 30 (32.6%) with PH. The independent factors associated with PH were as follows: maternal age during preeclampsia above 30 years (aOR = 6.30 [1.1; 35.4], p = .03), at least five deliveries prior preeclampsia (aOR = 1.50 [2; 6.6], p = .008), and family history of diabetes (aOR = 14.8 [2.6; 85.7], p = .003). About one in three women with preeclampsia/eclampsia will have PH. The clinician needs to pay more attention to the potential risk factors identified above. More appropriate strategies need to address the burden of this condition in the context of low resources.
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Affiliation(s)
- Chris Nadège Nganou-Gnindjio
- Faculty of Medicine and Biomedical Sciences, University of Yaoundé 1, Yaoundé, Cameroon.,Cardiology department, Yaoundé Central Hospital, Yaoundé, Cameroon
| | - Denise Kenmogne
- Institut supérieur des Sciences de la santé, Université de Montagnes, Bangangte, Cameroon
| | - Doris Bibi Essama
- Faculty of Medicine and Biomedical Sciences, University of Yaoundé 1, Yaoundé, Cameroon
| | - Jan Rene Nkeck
- Faculty of Medicine and Biomedical Sciences, University of Yaoundé 1, Yaoundé, Cameroon
| | - Nathan Yanwou
- Faculty of Medicine and Biomedical Sciences, University of Yaoundé 1, Yaoundé, Cameroon
| | - Pascal Foumane
- Faculty of Medicine and Biomedical Sciences, University of Yaoundé 1, Yaoundé, Cameroon.,Yaoundé Gyneco-Obstetric and Pediatric Hospital, Yaoundé, Cameroon
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