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Causes of Infertility of Couples Residing in Libreville

Advances in Reproductive Sciences 2024年第1期12卷 75-82页

作者： Opheelia Makoyo Komba Ulysse Minkobame pamphile assoumou Reteno Retno Elsy Ntsame Anouchka Mewi Jacques Albert Bang Ntamack Jean François Meye Département de gynécologie obstétrique Université des sciences de la santé d’Owendo Libreville Gabon

Introduction: According to the World Health Organization, globally one in six people experience infertility in their lifetime. Infertility is considered as a major and global public health issue. In most cases, women bear the burden of infertility to protect the male ego. Although men and women are equally likely to have fertility problems. The aim of this study was to identify the causes of infertility of couples residing in Libreville. Patients and Methods: This was a retrospective descriptive study performed over 2 years, from 1st January 2021 to 31st December 2022. Data was obtained from 162 couples attending the assisted reproduction department of the mother and child hospitals in Libreville. Statistical analysis was done using IBM SPSS Statistics version 22.0 software. Results: During the study period, 28.5% of couples could afford IVF treatment. The average for woman age was 39.1 ± 4.06 while the average age for male patients was 41.53 ± 7.08 years with minimum and maximum age of 34 et 66 years. More than half (58.6%) of female partners were employed in the public sector. Half of the male partners (50%) were employed in the private sector. The median duration of infertility was 6 years. Approximately 49.4% of couples were diagnosed with primary infertility. The most common causes of infertility in female patients were Fallopian tubes obstruction (53.2%), uterine factors (24.2%) and hormonal problems (19.6%). With regards to male factors infertility, testicular causes were predominant (53.6%). Oligoasthenoteratozoospermia were the major semen abnormalities (55.7%) found after semen evaluation. Both male and female partners were sub-fertile in 47.5% of cases. Unexplained infertility was found in 11% of couples. Conclusion: This study showed that the diagnostic of infertility faced by couples residing in Libreville should involve both male and female partner.

关键词： Epidemiology Gabon Infertility

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Influence of Prenatal Surveillance on Maternal and Perinatal Prognosis: A Prospective Study over 6 Months at the Maternity Ward of the Owendo University Hospital (Gabon)

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Open Journal of Obstetrics and Gynecology 2024年第2期14卷 301-311页

作者： Boniface Sima Ole Sidy Gérard Mba Edou Ulysse Minkobam Désire Assoume Ophélie Makoyo Komba Nathalie Ambounda pamphile assoumou Jacques Albert Bang Ntamack Sosthène Mayi Tsonga Jean François Meye Department of Obstetrics and Gynaecology Owendo University Hospital Owendo Gabon Department of Obstetrics and Gynecology Faculty of Medicine of Libreville Libreville Gabon

Introduction: The occurrence of pregnancy in women is a risky situation. Prenatal care is necessary, which is not often the case in our context. Aim: To analyze the influence of antenatal surveillance on maternal and perinatal prognosis. Patients and Method: Preliminary longitudinal and analytical survey at the Owendo University Hospital (OHU) over 6 months. It focused on prenatal surveillance. The study population consisted of parturients who gave birth within 24 hours and we studied sociodemographic characteristics, variables related to antenatal contact, those of delivery as well as maternal and newborn outcomes. Results: 2485 deliveries were recorded and 1300 patients were retained according to the inclusion criteria. No prenatal contact (ANC0) was performed in 93 (7.15%), insufficient (ANCI) in 943 patients (72.5%), and sufficient (ANCS) in 264 patients (20.30%). Patients with low school level were significantly found when the NPC was not performed or insufficient and the same was true for the group of patients who were not employed and those who were single (p < 0.005). The caesarean section rate and perinatal mortality are high in this case. Conclusion: The quality of prenatal contact is insufficient in our context. The absence or inadequacy of the latter has a strong negative impact on maternal and perinatal morbidity and mortality.

关键词： ANC Insufficiency Maternal Pathologies Perinatal Death Gabon

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End-of-Pregnancy Monitoring at CHUMEFJE through the Functional Investigation Centre (FIC) in 2022

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Open Journal of Obstetrics and Gynecology 2024年第1期14卷 186-192页

作者： Ulysse Pascal Minkobame Zaga Minko Opheelia Makoyo Komba pamphile assoumou Obiang Anouchka Mewie Lendzinga Elsy Ntsame Mezui Irenee Edzo Mvono Jacques Albert Bang Ntamack Jean François Meye Department of Obstetrics and Gynaecology University of Health Sciences Libreville Gabon

Introduction: The end of pregnancy is a high-risk period for both mother and foetus. Rigorous monitoring can prevent complications before delivery. Materials and Method: We conducted a descriptive cross-sectional observational study. It took place in the delivery room of the Teacher hospital Mother and Child of Jeanne Ebori Fondation from the 01 October 2020 to 01 October 2021. All patients followed at the Functional Investigation Centre (FIC) of the CHUMEFJE and who gave birth in that same hospital were included. Data were collected on the basis of pregnancy diaries, the fic register and delivery room registers. They were analysed using SPSS Statistical Software. Results: During the period of our study, 4086 parturients arrived in the delivery room. Of these, 150 were followed up at the FIC, giving a prevalence of 3.7%. The majority of parturients (48%) had only one prenatal contact. 6 (4%) patients underwent pelvic scans, and 4 (2.6%) presented with a narrowed pelvis. A vaginal delivery was performed in 80% of cases, and of the caesarean sections, 9 (30%) could be scheduled. The maternal prognosis was marred by one post-partum complication of hypertension, and newborns with poor adaptation to life outside the womb accounted for 3.3% of cases. Conclusion: The Functional Investigation Centre makes it possible to detect anomalies at the end of pregnancy with a view to better planning of delivery.

关键词： Follow-Up End of Pregnancy Scheduled Caesarean Section Prognosis

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The Effect of Age on Male Infertility in Gabon

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Advances in Reproductive Sciences 2023年第4期11卷 127-139页

作者： Makoyo Komba Opheelia Lionel Wildy Moungala Ulysse Minkobame pamphile assoumou Alain Boulende Jean Francois Meye Departement of Obstetrics and Gynaecology Mother and Child University Hospital of Libreville Libreville Gabon Androcryos Andrology Laboratory Departement of Obstetrics and Gynaecology University of Witwatersand Johannesburg South Africa Reproductive Biology Laboratory Department of Obstetrics and Gynaecology Mother and Child University Hospital of Libreville Libreville Gabon

Background: Male age significantly affects semen parameters. However, there is no evidence on the impact of aging on semen quality in men residing in Libreville, Gabon. Objective: To determine the effects of age on semen quality of patients visiting the Reproductive Laboratory at the Academic Hospital Mère Enfant located in Libreville, Gabon. Methods: This descriptive and prospective study was performed between the 1st of October 2021 and 30st of September 2022. This study involved patients who had semen analysis as part of fertility check-up. Semen analysis was performed following the World Health Organization, 2010 guidelines. Semen parameters such as volume, leucocytes count, sperm concentration, sperm motility, norml morphology and vitality were used in the current study. Descriptive statistics were performed. The Chi-square test and the Fisher test were used as statistical tools for the analysis of data. The ROC curve was used to illustrate the data. Results: A total of 148 patients were included in the study. Male infertility prevalence was 77.03%. The average age was 41 years with minimum and maximum of 24 and 61 years respectively. Secondary infertility was predominant (66.9%). Patients displaying asthenozoospermia (22.3%) followed by those displaying oligoasthenozoospermia (OAT) isolated (1.4%) or not (11.6%) were the most frequent semen parameter abnormalities. Men aged more than 45 years were 4.4 times likely to have abnormal semen parameters. Odd = 4.4 (IC 95% = [3.3 - 14.7]). Staphylococcus haemolyticus infection was more prevalent. Conclusion: Male age was found to significantly influence semen quality.

关键词： Gabon Infertility Semen Analysis

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SHER Grade IIIb Placenta Abruptio Complicating Severe Superimposed Pre-Eclampsia at 19 WA: A Case Report

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Open Journal of Obstetrics and Gynecology 2023年第9期13卷 1516-1522页

作者： Ulysse Minkobame Zaga Minko Opheelia Makoyo Komba pamphile assoumou Obiang Irenée Edzo Mvono Elsy Ntsame Mezui Junior Minto’o Jacques Albert Bang Ntamack Jean François Meye Department of Gynecology Obstetrics Health Science’s University Libreville Gabon

The placenta abruptio is an extremely serious pathology which involves the maternal-fetal prognosis. We report the case of a 19-year-old patient who consulted for abdominopelvic pain associated with heavy vaginal bleeding on 19SA in a context of arterial hypertension. The symptomatology suddenly worsened with the onset of hemorrhagic shock, which prompted an emergency hysterotomy. The diagnosis of placenta abruptio grade III b of SHER was evoked. Uterine atony was objectified intraoperatively and uterine compression by the B-Lynch technique was performed. The evolution of the patient was favorable after a stay of 5 days in intensive care.

关键词： Added Preeclampsia Placenta Abruptio 19 Weeks Uterine Plication

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Factors Determining the Postponement of Schedule Gyneaco-Obstetric Surgery at CHUMEFJE in Libreville (Gabon)

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Open Journal of Obstetrics and Gynecology 2023年第10期13卷 1699-1710页

作者： pamphile assoumou Obiang Jacques Albert Bang Ntamack Ophélia Makoyo Ulysse Minkobame Jean Pierre Malanda Anouchka Mewie Juvette Elsy Ntsame Robert Eya’ama Ernest Junior Minto’o Jean François Meye Department of Obstetrics and Gynaecology Faculty of Medicine Libreville University of Health Sciences (USS) Libreville Gabon

The study aimed to identify factors causing delays in scheduled gynaeco-obstetric surgeries at CHUMEFJE in Libreville from January 2019 to July 2020. Through a 16-month observational survey, it was found that out of 346 scheduled procedures, 128 (36.4%) were postponed. Organizational issues in the operating theatre were responsible for 80.3% of these delays, with 95.3% being preventable. To enhance efficiency, improvements in operating theatre organization are recommended.

关键词： Scheduled Gynaeco Obstetric Surgery Postponement Determining Factors

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LARCs after unsafe abortion in Libreville (Gabon): Women accept quickly but the time interval for the insertion is longer than that of injectable contraceptives

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Open Journal of Obstetrics and Gynecology 2014年第1期4卷 23-27页

作者： Sosthène Mayi-Tsonga Jacques Bang Ntamack Boniface Sima-Ole pamphile assoumou Obiang Ulysse Minkobame Doris Ngouafo Department of Obstetrics and Gynecology of University Hospital of Libreville Gabon Africa Faculty of Health Sciences of Libreville Gabon Africa

Objectives: To determine the percentage of women who accepted a LARC after abortion, specify the interval time for the insertion of the LARC and compare such interval time with that of injectable and oral contraceptives. Patients and Methods: This is a prospective, descriptive and comparative study conducted in Libreville (Gabon), from February 1, 2013 to August 31, 2013. After receiving post-abortion care (PAC), all patients with stable general states were counseled about three types of contraceptive methods: combined oral contraceptive pills, LARCs (Jadelle? implants, Copper IUDs) and injectable Medroxyprogesterone Acetate (DMPA). Results: 231 women received PAC and among them 215 (93%) wanted to use one of the three proposed contraceptive methods. At the end of the study, only 193 women (89.7%) used contraception and 22 others (10.3%) abandoned their intentions. LARCs were used by 31 (16.0%) women. The average period for the insertion of LARCs was 15.4 ± 15.5 days with extremes of 1 to 53 days. This period for the insertion of LARCS was significantly longer than that of other methods (p < 0.001). LARCs were inserted more often after the 2nd day than immediately (same day) with a highly significant difference (p < 0.0001). Conclusion: LARCs could constitute an appropriate approach to reducing unintended pregnancies in Gabon. However, in order to increase their rates of use, it is necessary to improve women awareness.

关键词： Unsafe Abortion Contraception LARC Period for the Insertion of LARCs Gabon

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Use of the “Veda-Lab Easy Reader+” for the Determination of T3, T4 and TSH Hormones in the Mountainous Population of Benin: Case of Natitingou

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Advances in Bioscience and Biotechnology 2024年第1期15卷 39-51页

作者： pamphile Thierry Houngbo Natacha Aivodji Rodrigue Akotegnon Alphonse Sezan Laboratory of Biomembranes and Cellular Signaling Department of Animal Physiology University of Abomey-Calavi Cotonou Benin

The thyroid, an endocrine gland located at the base of the neck, produces thyroid hormones (triiodothyronine (T3) and thyroxine (T4)). The production of these hormones is possible by iodine and other nutrients such as selenium and certain vitamins. To assess the thyroid disturbances in the mountain population of Benin, a survey was conducted in Natitingou, a mountain town located in the department of Atacora, in the northwest of Benin, on a sample of thirty (30) adults (15 men and 15 women), most of whom are educated. The results of the questionnaire revealed that 43% of the surveyed population acknowledged having knowledge on the mentioned subject and have dietary habits based on the consumption of seafood, and also legumes (20%). The examination of the serum results of the dosage of T3, T4 and TSH hormones revealed cases of thyroid disturbances in the region (36.32% in men and 44.98% in women). The analysis of a comparative table including the “VEDALAB Easy Reader+” and five (05) other readers, presents the performance, reading techniques, principles, advantages and disadvantages of each device. Pending further studies, some recommendations were made at the end of this study to the academic authorities regarding probable cases of dysthyroidism for which additional examinations are required and an awareness for the improvement of dietary habits.

关键词： Thyroid TSH T3 T4 “VEDALAB Easy Reader+”

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Conservative Treatment of Breast Cancer and Oncoplasty at the Teaching Hospital Mother and Child of Jeanne Ebori Foundation in Libreville (Gabon)

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妇产科期刊(英文) 2023年第10期13卷 1747-1758页

作者： assoumou Obiang pamphile Minkobame Ulysse Makoyo Opheelia Eya’Ama Robert Dikongo Wilson Mewie Anouchka Ntsame Elsy Juvette Minto’o Junior Bang Jacques Albert Meye Jean François Department of Obstetrics Gynecology Faculty of Medicine of Libreville University of Health Sciences (USS) Libreville Gabon

Introduction: Breast cancer is currently the most common malignant tumour in women worldwide. Objective: To evaluate conservative treatment of breast cancer and oncoplasty at the teaching hospital Mother and Child of Jeanne Ebori Foundation (CHUMEFJE). Patients and methods: This is an observational, descriptive study, which took place from August 2019 to December 2021 at CHUMEFJE. Data were collected using patients’ medical records, and operative and pathological anatomy reports. Results: Conservative treatment and oncoplasty were performed in 12 (34.2%) patients. Of these patients, 8 (66.7%) benefited from an external technique and 2 (16.7%) from a pamectomy. Post-operative complications were dominated by lymphocele in 5 (41.6%) patients. Ten (83.3%) patients were satisfied with the post-operative aesthetic result. At the time of updating the records, 1 (8.3%) patient had died and 11 (91.7%) were alive. Conclusion: Conservative treatment and oncoplasty are giving satisfactory results at the CHUMEFJE in Libreville.

关键词： Breast Cancer Conservative Treatment Oncoplasty Aesthetics Satisfaction

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A Note on Cochran Test for Homogeneity in Two Ways ANOVA and Meta-Analysis

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Open Journal of Statistics 2015年第7期5卷 787-796页

作者： pamphile Mezui-Mbeng CIREGED Department of Economics Omar Bongo University Libreville Gabon

In this paper, we generalize the proof of the Cochran statistic in the case of an ANOVA two ways structure that asymptotically follows a Chi-2. While construction of homogeneity statistics test usually resorts to the determination of the covariance matrix and its inverse, the Moore-Penrose matrix, our approach, avoids this step. We also show that the Cochran statistic in ANOVA two ways is equivalent to conventional homogeneity statistics test. In particular, we show that it satisfies the invariance property. Finally, we conduct empirical verification from a meta-analysis that confirms our theoretical results.

关键词： Cochran Homogeneity Test Chi-Square Distribution Desimonian-Laird Test Invariant Two Ways ANOVA

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