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Kohpe Kapseu S, Tchokonte-Nana V. Lessons learned about the management of a traffic road accident victim with abdominal seatbelt sign: Case report. Trauma Case Rep 2023; 43:100765. [PMID: 36660400 PMCID: PMC9843244 DOI: 10.1016/j.tcr.2023.100765] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/07/2023] [Indexed: 01/11/2023] Open
Abstract
The abdominal seatbelt sign is well described in the literature as an indicative of intra-abdominal visceral injuries; it is considered rare because it is difficult to detect with no single observation providing reliable diagnosis. Consequently, it often presages a delayed diagnosis. We here report lessons from management of 44 year-old man professional driver, victim of a road traffic accident who underwent a damage control laparotomy and whose abdominal seatbelt sign was diagnosed late. To our knowledge, abdominal seatbelt sign has never been reported in a context of rural hospital with low technical facilities. The assessment of the injury revealed haemoperitoneum, rupture of the rectus abdominis, rupture of the appendix and the bowel loop with mesenteric tears. The patient had a second surgery due to a postoperative complication - a postoperative peritonitis with a parietal abscess; this resulted in a digestive fistula which was treated with twice-daily dressing. We learned from the management of this case that presence of an abdominal seatbelt sign in patient with good parameters should lead to paraclinical exploration. So, when faced with the presence of severe abdominal trauma, clinicians should always remember the principles of damage control laparotomy, regardless of the constraints encountered.
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Affiliation(s)
- S. Kohpe Kapseu
- Cliniques Universitaires des Montagnes, Surgery Department, Université des Montagnes, Bangangté, West, Cameroon,Corresponding author at: BP 208, Bangangte, West, Cameroon.
| | - V. Tchokonte-Nana
- Faculty of Health Sciences, Comparative Anatomy and Experimental Histopathology and Surgery, Université des Montagnes, Bangangté, West, Cameroon
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Kohpe Kapseu S, Monkam CD, Doumo TT, Tchokonte-Nana V. An exceptional thoracolumbar and hypogastric necrotizing fasciitis of dental origin with favourable prognosis: Case report. Int J Surg Case Rep 2022; 98:107545. [PMID: 36029659 PMCID: PMC9424938 DOI: 10.1016/j.ijscr.2022.107545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Revised: 08/21/2022] [Accepted: 08/21/2022] [Indexed: 12/01/2022] Open
Affiliation(s)
- Stéphane Kohpe Kapseu
- Cliniques Universitaires des Montagnes, Surgery Department, Université des Montagnes, Bangangté, West, Cameroon.
| | | | | | - Venant Tchokonte-Nana
- Faculty of Health Sciences, Comparative Anatomy and Experimental Histopathology and Surgery, Université des Monatgnes, Bangangté, West, Cameroon.
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Eboka-Loumingou Sakou RF, Longo-Mbenza B, Nkalla-Lambi M, Mokondjimobe E, Monabeka HG, Moukassa D, Abena AA, Mekieje Tumchou MP, Tchokonte-Nana V. Inflammatory biomarkers and prediction of insulin resistance in Congolese adults. Heliyon 2021; 7:e06139. [PMID: 33644449 PMCID: PMC7889996 DOI: 10.1016/j.heliyon.2021.e06139] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 01/18/2021] [Accepted: 01/25/2021] [Indexed: 11/29/2022] Open
Abstract
Several studies have shown that low levels of adiponectin (ADP) and high levels of alpha tumor necrosis factor (NFT) increase the risk or severity of many cardiometabolic diseases associated with insulin resistance. The main objective of this study was to evaluate the association between plasma adipokines and IR measured by HOMA-IR. The secondary objective was to determine the biomarker of the potential inflammation to predict IR in Congolese melanoderm subjects residing in Brazzaville. This cross-sectional study was conducted on 234 apparently healthy participants over the age of 18. Socio-demographic and clinical data were collected. Biological data, including the total ADP and NFT dosage, were measured using the ELISA method. Participants were categorized into two groups according to HOMA-IR ≥ 2.5. Univariate and multivariate logistic regression analyses were conducted to identify risk factors for insulin resistance. An optimized model was obtained after the logistic regression. The analysis of the receptor's operating characteristics (OCR) was performed to determine the optimal threshold value and diagnostic characteristics, as well as the area under the curve (ASC). ADP averages were significantly low (11.49 ± 7.61 ng/mL; P < 0.001) while those of TNF were significantly higher (96.03 ± 44.09 pg/mL) in the HOMA-IR group ≥ 2.5. There was a positive and significant correlation (p < 0.05) between BMI, TT, CRPhs, TNF and HOMA-IR. And a negative and significant correlation was noted between ADP and HOMA-IR (r = - 0.39; P < 0.01). Similarly, a negative and significant correlation (p < 0.01) was noted between BMI, TT, TNF, CRPhs and ADP. The optimal threshold value of the total ADP for predicting IR was 17.52 ng/mL with a sensitivity of 89% [IC 95% (0.83-0.95)], 56% specificity [IC 95% (0.47-0.65)] and a CSA of 0.76 [IC 95% (0.69-0.81)]. After logistic regression, the CSA of the optimized model was 0.84 [IC 95% (0.79-0.89)]. ADP can be used as a highly plausible IR prediction biomarker.
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Affiliation(s)
| | - Benjamin Longo-Mbenza
- Faculty of Health Sciences, Marien Ngouabi University, Brazzaville, Republic of the Congo.,Lomo University of Research, Kinshasa, Democratic Republic of the Congo.,Department of Internal Medicine, University of Kinshasa, Democratic Republic of the Congo
| | | | - Etienne Mokondjimobe
- Faculty of Health Sciences, Marien Ngouabi University, Brazzaville, Republic of the Congo.,Lomo University of Research, Kinshasa, Democratic Republic of the Congo
| | - Henry Germain Monabeka
- Faculty of Health Sciences, Marien Ngouabi University, Brazzaville, Republic of the Congo.,University Hospital Centre, Brazzaville, Republic of the Congo
| | - Donatien Moukassa
- Faculty of Health Sciences, Marien Ngouabi University, Brazzaville, Republic of the Congo.,General Hospital Edith Lucie Bongo Ondimba, Oyo, Republic of the Congo
| | - Ange Antoine Abena
- Faculty of Health Sciences, Marien Ngouabi University, Brazzaville, Republic of the Congo
| | | | - Venant Tchokonte-Nana
- Lomo University of Research, Kinshasa, Democratic Republic of the Congo.,Faculty of Health Sciences, University des Montagnes, Bangangte, Cameroon
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Shahcheraghi SH, Tchokonte-Nana V, Lotfi M, Lotfi M, Ghorbani A, Sadeghnia HR. Wnt/beta-catenin and PI3K/Akt/mTOR Signaling Pathways in Glioblastoma: Two Main Targets for Drug Design: A Review. Curr Pharm Des 2020; 26:1729-1741. [PMID: 32003685 DOI: 10.2174/1381612826666200131100630] [Citation(s) in RCA: 71] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Accepted: 01/27/2020] [Indexed: 02/07/2023]
Abstract
Glioblastoma (GBM) is the most common and malignant astrocytic glioma, accounting for about 90% of all brain tumors with poor prognosis. Despite recent advances in understanding molecular mechanisms of oncogenesis and the improved neuroimaging technologies, surgery, and adjuvant treatments, the clinical prognosis of patients with GBM remains persistently unfavorable. The signaling pathways and the regulation of growth factors of glioblastoma cells are very abnormal. The various signaling pathways have been suggested to be involved in cellular proliferation, invasion, and glioma metastasis. The Wnt signaling pathway with its pleiotropic functions in neurogenesis and stem cell proliferation is implicated in various human cancers, including glioma. In addition, the PI3K/Akt/mTOR pathway is closely related to growth, metabolism, survival, angiogenesis, autophagy, and chemotherapy resistance of GBM. Understanding the mechanisms of GBM's invasion, represented by invasion and migration, is an important tool in designing effective therapeutic interventions. This review will investigate two main signaling pathways in GBM: PI3K/Akt/mTOR and Wnt/beta-catenin signaling pathways.
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Affiliation(s)
- Seyed H Shahcheraghi
- Department of Medical Genetics and Molecular Medicine, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.,Infectious Diseases Research Center, Shahid Sadoughi Hospital, Shahid Sadoughi University of medical sciences, Yazd, Iran
| | - Venant Tchokonte-Nana
- Comparative Anatomy, Experimental Anatomopathology and Surgery, Faculty of Medicine and Health Sciences, University des Montagnes, Bangangte, Cameroon
| | - Marzieh Lotfi
- Department of Medical Genetics, School of Medicine, Shahid Sadoughi University of medical sciences, Yazd, Iran
| | - Malihe Lotfi
- Department of Medical Genetics and Molecular Medicine, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Ahmad Ghorbani
- Pharmacological Research Center of Medicinal Plants, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hamid R Sadeghnia
- Division of Neurocognitive Sciences, Psychiatry and Behavioral Sciences Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
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Manda JK, Tchokonte-Nana V. Immunohistochemical characterization of pancreatic duodenal homeobox protein-1, neurogenin-3, and insulin protein expressions in islet-mesenchymal cell in vitro: a morphochronological evaluation. Iran J Basic Med Sci 2018; 21:1126-1132. [PMID: 30483385 PMCID: PMC6251389 DOI: 10.22038/ijbms.2018.26688.6536] [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] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Juziel K Manda
- Islet and MSK Research Group, Anatomy and Histology, Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Stellenbosch University, Tygerberg, Western Cape, South Africa
| | - Venant Tchokonte-Nana
- Islet and MSK Research Group, Anatomy and Histology, Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Stellenbosch University, Tygerberg, Western Cape, South Africa
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On'kin JBKL, Longo-Mbenza B, Tchokonte-Nana V, Okwe AN, Kabangu NK. Hyperbolic relation between beta-cell function and insulin sensitivity for type 2 diabetes mellitus, malaria, influenza, Helicobacter pylori, Chlamydia pneumoniae, and hepatitis C virus infection-induced inflammation/oxidative stress and temporary insulin resistance in Central Africans. Turk J Med Sci 2017; 47:1834-1841. [PMID: 29306246 DOI: 10.3906/sag-1608-48] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
Background/aim: We calculated the homeostatic model assessment (HOMA) for estimating insulin sensitivity and beta-cell function in normal, healthy nondiabetics with infections (malaria, influenza, HIV, Helicobacter pylori, Chlamydia pneumoniae, and hepatitis C virus), type 2 diabetic black patients, and healthy controls from Kinshasa, DR Congo. Materials and methods: A case-control study was carried out between 2006 and 2007 for black Central African participants managed for HOMA.Results: In total, 219 patients and 110 healthy controls were matched for sex and age. The hyperbolic product for 85 infected patients occupied an intermediate position between the hyperbolic product for 110 controls and that of 134 type 2 diabetics. Inflammation/oxidative stress was present in all infected patients, as well as in the type 2 diabetics. Of the patients, 39.3% and 49.8% had insulin resistance and metabolic syndrome, respectively. Insulin resistance was more prevalent in nondiabetics with inflammation/oxidative stress (47.1%; P = 0.041) than in type 2 diabetics (34.3%). Type 2 diabetics had higher insulin sensitivity and lower beta-cell function but a similar HOMA-IR score. Conclusion: We recommend the assessment of insulin resistance in Central African patients with severe infections and type 2 diabetes.
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Nkanga MSN, Longo-Mbenza B, Vandenberghe P, Verdonck F, Tchokonte-Nana V, Nlandu NC, Miakassissa RLM, Kazadi PRB, Katawandja AL, Ngwidiwo JB, Mufuta NJP, Solo KT, Cecilia Orphée Beia MA. Feasibility of iFISH patterns in hematologic malignancies among Congolese patients at Kinshasa University clinics. Asian Pac J Trop Biomed 2017. [DOI: 10.1016/j.apjtb.2017.10.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Tchokonte-Nana V, Le-Roux DJ, Kotze PC, Ngounou E. Immunohistomorphology of Pancreatic Islet Microvasculature and the Immunophenotypic Analysis of CEPC in Adult Diabetic Rats. INT J MORPHOL 2017. [DOI: 10.4067/s0717-95022017000401560] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Tchokonte-Nana V, Cockburn IL, Manda JK, Kotze PC, Johnson JD. Islet cell research brings hope for a diabetes cure: meeting report from the 6(th) annual islet society meeting in Stellenbosch, South Africa. Islets 2014; 6:e963387. [PMID: 25437378 PMCID: PMC4588158 DOI: 10.4161/19382014.2014.963387] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
The International Diabetes Federation predicts that, over the next twenty years, the largest increase in the prevalence of diabetes will be in the Africa region. Recognizing an unmet need for more focus on Africa and engagement with African scholars, the Islet Society held its 6th annual meeting July 20-21, 2014 in Stellenbosch, South Africa. Here, we present a report that covers the presentations and discussion points from that meeting. Work was presented on a variety of topics and included presentations by a significant proportion of Africa diabetes researchers. Overall, it was an excellent conference, with many new international collaborations initiated. We hope that other groups will also respond to the need for more conferences in Africa and focused on Africa.
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Affiliation(s)
- V Tchokonte-Nana
- Anatomy and Histology; Islet Research Laboratory; Faculty of Medicine and Health Sciences; Stellenbosch University; Stellenbosch, South Africa
- Correspondence to: V Tchokonte-Nana;
| | - I L Cockburn
- Endocrinology; Basic Research Laboratory; Faculty of Medicine and Health Sciences; Stellenbosch University; Stellenbosch, South Africa
| | - J K Manda
- Anatomy and Histology; Islet Research Laboratory; Faculty of Medicine and Health Sciences; Stellenbosch University; Stellenbosch, South Africa
| | - P C Kotze
- Anatomy and Histology; Islet Research Laboratory; Faculty of Medicine and Health Sciences; Stellenbosch University; Stellenbosch, South Africa
| | - J D Johnson
- Cellular and Physiological Sciences; Diabetes Research Group; The University of British Columbia; Vancouver, Canada
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Tchokonte-Nana V, Longo-Mbenza B. Histomorphometric and radioimmunoassay studies of the rat endometrium following peanut oil treatment. Iran J Reprod Med 2011; 9:301-8. [PMID: 26396580 PMCID: PMC4576432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/07/2010] [Accepted: 02/06/2011] [Indexed: 11/21/2022]
Abstract
BACKGROUND The pregnancy rate during in-vitro fertilization (IVF) following progesterone supplement still remains very low at around 20%. OBJECTIVE To investigate the effects of peanut oil itself on the endometrial receptivity, the pregnancy success rate and fertility during the peri-implantation time in hyper stimulated and normal rats. MATERIALS AND METHODS Thirty-six adult Sprague Dawley rats with at least four regular oestrus cycles were randomly divided into 4 groups: two groups were hyper stimulated by human chorionic gonadotropin (hCG) and treated with progesterone or with peanut oil; the two other groups were not hyper stimulated and treated with saline solution or peanut oil. On day 5.5 of pregnancy, the uterine horns were removed and blood was collected for histomorphometric and serum progesterone evaluation. 12 rats were allowed to continue the presumed pregnancy to term. Analysis of variance (ANOVA) and student t-test were used to compare the means of morphometric and radioimmunoassay data between groups. p-values less than 0.05 were considered statistically significant. RESULTS The mean values of morphometric parameters and serum progesterone varied significantly between the groups (ANOVA, p<0.0001). The lowest values of progesterone parameters were observed in the hyperstimulated groups that did not deliver pups; both hyperstimulated groups had deleterious luminal epithelium with varying degrees of mucosal projections. There were isolated decidualised zones observed in hyper stimulated peanut oil group, whereas peanut oil group had the highest number of implantation sites and deliveries. CONCLUSION The results show that hype stimulation reduces the endometrial receptivity, while peanut oil increases endometrial receptivity, pregnancy rates and fertility by triggering decidualisation.
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