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Comparative Study of the Performances of Opaque and Transparent Patch Antennas

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Open Journal of Antennas and Propagation 2022年第2期10卷 17-28页

作者： abdoulaye sissoko Anne Chousseaud Tchanguiz Razban Marc Brunet Sté phane Ginestar Badié Diourté Institut d’É lectronique et des Technologies du numé Rique Nantes France Université des Sciences des Techniques et des Technologies de Bamako Bamako Mali

The performances of two microstrip patch antennas with low visual impact are presented in this paper and compared to an opaque solution. These consist in a copper film deposited on a Borofloat 33 glass substrate through a thin titanium gripping layer. The mesh is obtained by wet chemical etching. Antennas differ by the dimensions in the ground plane mesh pattern. The opaque antenna only consists of a full copper deposit. The transparency work was mainly carried out on the ground plane as it is the largest area available. Specific attention is paid to optical transparency in the visible light spectrum, sheet resistance and electromagnetic performances in the [2.8;3 GHz] bandwidth. They are measured in each case, compared and discussed. Both simulations and measurement results show good performance, especially the antenna with the most transparent ground plane: a high level of optical transparency of almost 73%, coupled with a sheet resistance of less than 0.028 Ohms/sq and a gain of about 3.22 dBi at 2.8 GHz, slightly higher than the gain of the reference opaque antenna of about 2.66 dBi at 2.99 GHz. The opaque reference antenna has a bandwidth of 1.30 GHz while those of the transparent antennas are about 1.60 GHz and 2.10 GHz (S11 < −10 dB). This solution presents a real interest for low cost integrated and discrete antenna solutions in ISM band.

关键词： Conductor Meshed Optical Transparency Radiation Pattern Transparent Antenna

Fertility after Neosalpingostomy through Laparoscopic Way in Point “G” Teaching Hospital

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Surgical Science 2019年第2期10卷 49-58页

作者： Kéita Soumaila Traoré Youssouf Soumaré Lamine Koumaré Sekou Sacko Oumar Camara Aboubacar Camara Moussa sissoko Moussa abdoulaye sissoko Koita Adama Sanogo Z. Zimogo Surgery Department “A” Point G Teaching Hospital Bamako Mali Faculty of Medicine and Odonto Stomatology of Bamako University of Science Technique and Technologies of Bamako (USTTB) Bamako Mali

The endoscopic surgery is actually the golden standard for the management of infertility. Its results look better than classical surgery. The aim of the study was to assess the fertility rate among infertile women who have undergone a laparoscopic distal tubal plasty and to estimate factors influencing this fertility. From January 2007 to December 2016 a descriptive and analytical cross sectional retrospective study was conducted in the departments of general and laparoscopic surgery of the Point “G” Teaching Hospital in Bamako, Mali. Clinical records of 120 laparoscopic patients with distal tubal occlusion who have undergone a neosalpingostomy were collected. Average period of infertility was 6.7 years (from 1 to 25 years), and the average duration before laparoscopic surgery was 5 years. Main abnormalities were: 50 cases of bilateral tubal distal occlusion (41.7%), 14 patients with unilateral tubal distal occlusion (11.7%), 44 cases of bilateral hydrosalpinx (36.6%) and 12 cases with unilateral occlusion (10.0%). Seventeen patients had adhesions (14.1%) including 4.0% of tubo-peritoneal adhesions, 35.5% of tubo-ovary adhesions and Fitz Hugh and Curtis syndrom adhesions in 17.7% of cases. More than half of the patients (58.0%) had a grade II tubal score. Neosalpingostomy had led to bilateral tubal repermeabilization among 60.0% of the patients. Thirty two point five percent (39/120) pregnancies have been observed after the management. Conception probability was null after the 4th post operative year. The majority of pregnancies have been observed in the 11th month after laparoscopic management. During the follow-up, thirty one patients had intrauterine pregnancy (79.5%), four ectopic pregnancies and three miscarriages. The occurrence of pregnancy was influenced by the desire of the woman, the absence of co-morbidity, the tubal score, the result and the quality of the laparoscopic gesture and the duration of the fertility. Conclusion: In our working setting, neosalp

关键词： Fertility Laparoscopy Neosalpingostomy Pregnancy

Sacrospinous Fixation in the Gynecology Department of Hôpital du Mali

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Open Journal of Obstetrics and Gynecology 2021年第1期11卷 20-26页

作者： Traoré Alassane sissoko abdoulaye Coulibaly Mamadou Bakary Traoré Soumana Oumar Sima Mahamadou Bocoum Amadou Traoré Soumaila Touré Moustapha Tegueté Ibrahima Traoré Youssouf Obstetrics and Gynecology Department at Hopital du Mali Bamako Mali Obstetrics and Gynecology Department at the Teaching Hospital Mère-Enfant Bamako Luxembourg Obstetrics and Gynecology Department at the Referral Health Center Commune V Bamako Mali Obstetrics and Gynecology Department at the Teaching Hospital Point G Bamako Mali Obstetrics and Gynecology Department at the Teaching Hospital Gabriel Touré Bamako Mali Obstetrics and Gynecology Department at the Regional Hospital of Sikasso Sikasso Mali

Sacrospinous fixation (SSF) or Richter’s intervention (RI) aims to treat genital prolapse by securing the posterior vaginal wall to the small sacrospinous ligament. It is performed by low approach and includes a dissection of the pararectal space, visual exposure of the sacrospinous ligament and a needle with strait needle holder with nonabsorbable threads. It is often associated with a more complex corrective procedure, including cystocele cure, vaginal hysterectomy and posterior myorrhaphy. The objective of this study is to report the results of SSF in the gynecology department of Hopital du Mali. A descriptive study was conducted from September 2014 to September 2015 concerning 37 patients operated on for uterine prolapse (UP). All patients with grade III UP were included in our study in whom a unilateral hysterectomy (UH) and sacrospinous fixation (SSF) were performed. All the patients were scheduled. Preoperatively they had benefited from an assessment and a pre-anesthetic consultation. Hospitalization of at least 24 hours prior to the operation was required. Postoperative follow-up was two years with a physical examination at 3 months, 9 months and 15 months, and phone calls between physical consultations. During the study period, we performed 37 RIs. The mean age of the patients was 48 years with extremes of 41 to 73 years. The large multiparity was found out in 35 cases (94.59%), the pauciparous were two with 3 deliveries for each. Long labor of more than 18 hours was found out in 9 patients (24.32%) and home delivery in 13 cases (35.13%). The duration of the occurrence of prolapse was at least two years and 35 patients were going through menopause. The type of anesthesia used for the surgery was spinal anesthesia for all patients. The average duration of the operation was 90 minutes. Complications occurred in three patients or 8.10% of cases, two cases of acute urine retention and one case of hematoma of the para-rectal space. The medium time of hospital st

关键词： Sacrospinous Fixation Genital Prolapse Hôpital du Mali

Menstrual Hygiene Management in School Setting in Two Secondary Schools in the Bamako District, Case of the School “La Chaine Grise” and the School Cheick Modibo Diarra

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Open Journal of Obstetrics and Gynecology 2020年第2期10卷 284-297页

作者： Fané Seydou Bocoum Amadou sissoko abdoulaye Traore Alassane Traore Soumana Oumar Kante Ibrahima Sima Mamadou Sanogo Siaka Amara Kouma Aminata Sanogo abdoulaye Saleck Doumbia Salem Yargueit Teguete Ibrahima Traore Youssouf Mounkoro Niani University Teaching Hospital Gabriel Touré Bamako Mali Hospital Mother-Child the Luxemburg of Bamako Bamako Mali Hospital of Mali Bamako Mali Referral Health Center of commune V Bamako Mali University Teaching Hospital Point G Bamako Mali Hospital of Kati Bamako Mali

This study on Menstrual Hygiene Management (MHM) was carried out in two secondary schools in the Bamako district, “Chaine Grise” and “Cheick Modibo Diarra” located respectively on the right bank and the left bank depending on the geographic position of the Niger river. This work took place over a period of 6 months from January 2019 to June 2019. The objective of this study was to study menstrual hygiene management in school?setting for girls aged 16 to 18 in two secondary schools in Bamako. It was a transversal and qualitative description. The study population consists of girls aged 16 to 18 years enrolled in one of the selected secondary schools.?At the end of this study, we arrived at the following results:?*50% of the girls in our study have poor knowledge about menstruation;?*10% of girls miss school at least one day a month during menstruation;?*90% of girls use hygienic cotton to absorb menstrual blood;?*90% of the sources of supply for hygienic products are?mothers.?The unsanitary conditions of the toilets, lack of light and the non-separation of the toilets according to gender guidelines were found in 99% of the cases: *99% of girls say that the poor state of health infrastructures was one of the causes of genital infections linked to poor management of menstrual hygiene;?*lack of water in the toilets (99%). Through these results, we conclude that,?in our context,?menstruation remains a taboo and shameful subject for girls. In addition, some of their menstrual hygiene practices are a real danger to their health.

关键词： Menstrual Hygiene Management Girls from 16 to 18 Years Old Secondary Schools Bamako

Study of Cofactors Associated with Precancerous High-Grade Cervical Lesions at the Teaching Hospital Gabriel Touré, 2010 to 2015

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Surgical Science 2019年第9期10卷 328-337页

作者： Fané Seydou Bocoum Amadou sissoko abdoulaye Traoré Soumana Oumar Sanogo Siaka Amara Mamadou Sima Kouma Aminata Traoré Alassane Tegueté Ibrahima Traoré Youssouf Mounkoro Niani Teaching Hospital Gabriel Toure Bamako Mali

Introduction: High grade dysplasia of the cervix has a high incidence and can progress to cervical cancer. The aim was to study cofactors associated with high-grade cervical dysplasia. Methodology: This was a retrospective case-control study without matching. Women with high grade dysplasia were the cases while those with a normal screening test represented the controls. The study took place at the Gabriel Touré University Hospital Center in Bamako. We included 351 cases and 420 controls. The capture and analysis were performed using the SPSS 20 software. A univariate and multivariate logistic regression analysis was performed for the analysis of risk cofactors. The statistical tests used were the odds ratio and its confidence interval and the statistical significance threshold was set at p Results: In univariate analysis, the co-factors statistically significantly associated with the occurrence of high-grade dysplasia were parity 0.6 (0.5 - 0.9), gestational 0.7 (0.5 - 0.9), smoking of the spouse 3.4 (1.1 - 11.3), the non-schooling 1.4 (1.2 - 2.1). In multivariate analysis after adjusting for confounding factors, two co-factors have significantly increased the risk of high-grade dysplasia: lack of schooling 1.4 (1.2 - 2.0) and polygamy 1.5 (1.4 - 2.5). Conclusion: At the end of this study, polygamy and lack of schooling were the main risk factors. The prevention of cervical cancer will go through the education of girls and women as well as communication for behavioral change and social change.

关键词： High Grade Dysplasia Cofactor Cervical Cancer Teaching Hospital Gabriel Touré

Evaluation of the Quality of Prenatal Consultation in Rural Area of Mali, Case of Kadiolo Health District

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Open Journal of Clinical Diagnostics 2020年第1期10卷 49-64页

作者： Fane Seydou sissoko abdoulaye Kanté Ibrahima Bocoum Amadou Sima Mamadou Sanogo abdoulaye Traore Soumana Oumar Sanogo Siaka Amara Traore Mamadou Salia Traore Alassane Saleck Doumbia Mamadou Keita Salem Yargueit Traore Youssouf Tegueté Ibrahima Mounkoro Niani Gynecology-Obstetrics Service University Teaching Hospital Gabriel Touré Bamako Mali Hospital Mother-Child the Luxembourg Bamako Mali University Teaching Hospital of Point G Bamako Mali Referral Health Center of Kadiolo Bamako Mali Referral Health Center of Commune V Bamako Mali Hospital of Mali Bamako Mali Referral Health Center of Commune VI Bamako Mali

Every woman has the right to receive satisfactory quality prenatal care in reproductive health. Giving a life while remaining alive and without sequelae must be the slogan of any gynecologist - obstetrician and midwife, as well as any health worker. It was a descriptive cross-sectional study dealing with the evaluation of the quality of prenatal consultations at the Kadiolo referral health center (or RHC). Adevis Donabedian’s model for assessing the quality of care and services served as a benchmark. According to Donabedian quality means good technical care, with good interpersonal relationships, and adequate and comfortable premises. This study took place from April 24 to December 04, 2017 and aimed to assess the current level of the quality of prenatal consultations at the Kadiolo referral health center, to study the structures in place including infrastructure and personnel, to specify the procedures and to determine their results. This work has permitted us to classify the RHC of Kadiolo at level III with 85%, which means that the references evaluated were satisfactory, with the level of 75% to 94%. In terms of structure, a pricing system was deemed affordable by the opinion of pregnant women. The analysis of the level of the human dimension revealed that the health center was level III. The pregnant women were satisfied with the reception which was good in 76% of the cases, as well as with the quality of the respect of the privacy in 96% and confidentiality in 95%. Despite the satisfaction of pregnant women, gaps remain to be filled in concerning the quality of the services received at the Kadiolo referral health center so as to reach level IV.

关键词： Pregnancy Prenatal Consultation Quality of Care and Services Risk Factors Kadiolo Referral Health Center Mali

Perinatal Deaths in Rural a Health Area, Case of the Health District of Kadiolo, Mali

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Surgical Science 2019年第11期10卷 385-397页

作者： Seydou Fané Amadou Bocoum Youssouf Traoré abdoulaye sissoko Ibrahima Tegueté Mamadou Sima Mamadou Salia Traoré Tiounkani Augustin Thera Yaya Sylla Alassane Traoré Soumana Oumar Traoré Aminata Kouma Niani Mounkoro Gabriel Toure Teaching Hospital Center-Gynecology-Obstetrical Service Bamako Mali Hospital mère enfant le Luxembourg Bamako Mali Point G Teaching Hospital Center of Bamako Bamako Mali Referral Health Center of Kadiolo Sikasso Mali Mali Hospital Bamako Mali Reference Health Center of Commune 6 of Bamako District Bamako Mali Kati Hospital Kati Mali

The perinatal mortality is a public health issue in developing countries. In fact, the perinatal death rate seems the highest in a Malian rural area. The objective of this work was to study the perinatal mortality in a rural area of Mali (Kadiolo). Methodology: It was a cross-sectional descriptive study conducted in Kadiolo over 12 months. The study took place from April 1, 2016 to March 31, 2017. We have included in our study all dead fetuses in gestational age ≥ 28 weeks of amenorrhea (WA) or weight ≥ 500 grams (g) and infants died during the first week of life. Mothers who have experienced a perinatal death were included. Results: During the 12 months of study period, we have recorded a total of 2212 births out of which we have collected 205 perinatal deaths, a perinatal mortality rate of 205/2212 with 93 per 1000. The stillbirth rate was 152/2212 with 69‰ and the early neonatal mortality rate was 53/2212 with 24‰. The sociodemographic characteristic of the patients was: patient who has been evacuated 71.70%, unschooled 77.1%, coming out of the city Kadiolo 76%, young women 65% and patient who did not receive antenatal care 35%. Conclusion: Our study confirms the high rates of perinatal deaths in rural areas. The implementation of a coherent and efficient care strategy should help in reducing the still high rates.

关键词： Perinatal Deaths Dystocia Rural Environment Mali

Community-Based Diagnosis for the Improvement of Maternal and Child Protection in the ASACOSEKASI Health Area in the Urban Area of Bamako (Mali)

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Open Journal of Obstetrics and Gynecology 2023年第11期13卷 1859-1868页

作者： Fane Seydou Simpara Nouhoum Camara Daouda Sima Mamadou Kanté Ibrahim Bocoum Amadou Sylla Cheickna Traoré Oumar Soumana Abdoul Razak Dicko Ahmed Diallo Bokary Diallo sissoko abdoulaye Kanté Ibrahim Tegueté Ibrahima Traoré Youssouf Department of Obstetrics and Gynecology Gabriel Touré University Hospital Bamako Mali Referral Health Centre of Commune 6 Bamako Mali Kati Reference Health Center Koulikoro Mali University Hospital Center (CHU) of Point G Bamako Mali Referral Health Centre of Commune 5 Bamako Mali District Hospital of Commune 4 Bamako Mali Department of Obstetrics and Gynecology Luxembourg Mother-Child Hospital Bamako Mali

The community diagnosis is an essential approach to the resolution of health problems with the involvement of the communities concerned who become object and subject. Improvingmaternal and child health is a health priority for many developing countries, including Mali. The objective was to study the role of community-based diagnosis in improving maternal and child protection in a vulnerable urban community in a developing country. Methodology: This was a research-action integrating a community diagnosis conducted in March 2023. The involvement of several stakeholders, including social actors including ASACO, membership card holders, district chiefs, neighborhood delegates, local authorities, and health professionals, made it possible to provide curative, preventive and promotional care. The ASACOSEKA Health Area was used as a setting for the study. The methodology was the indicator approach, contact, document review, interview of CSCOM patients, observation of the structure, prioritization of problems, development of an action plan and restitution of the report. Results: The monograph consisted of describing the characteristics of the study setting. Indeed, the ASACOSEKASI area is located on the left bank of the Niger River, with a population of 34,497 inhabitants. The CSCOM presented to describe a medical unit, a maternity unit, a laboratory unit, an ultrasound room and a medication storage room. The main pathologies found were confirmed simple malaria (45.08%), high AKI: 20.43%, confirmed severe malaria: 19.85%, suspected diarrhoea: 3.43%, trauma related to road accidents: 3.36%, pregnancy-related disorders (1%). BCG, Penta3, VAR, and yellow fever vaccination rates were above 100%. It reflects the fact that the doses administered were higher than the target population. This was related to out-of-area vaccination and lost doses. CPN1, CPN4, tetanus vaccination (VAT2) and family planning (FP) consultations all have a proportion above 100%. Maternal care is increased

关键词： Community Diagnosis Reproductive Health Local Solutions ASACOSEKASI Bamako Mali

The Complications of Cesarean Section at Teaching Hospital Gabriel TOURE, Bamako Mali

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Open Journal of Obstetrics and Gynecology 2020年第4期10卷 546-557页

作者： abdoulaye sissoko Alassane Traore Ibrahim Kante Amadou Bocoum Soumana Oumar Traore Seydou Fane Daniel Dembele Aminata Kouma Mamadou Sima Fatoumata K. Tounkara Amadou Fomba Ibrahima Teguete Youssouf Traore Soumaila Keita Niani Moukoro Teaching Hospital Gabriel TOURE Bamako Mali Teaching Hospital Bamako Mali Teaching Hospital Point G Bamako Mali District Hospital Commune V Bamako Mali Teaching Hospital Kati Bamako Mali Research Center CHU of Quebec University of Laval Quebec Canada

Cesarean operation permits to save the mother and fetus. However, in developing countries as ours, complications related to this cesarean are not to be neglected. It constitutes an important cause of maternal and fetal morbidity and mortality. Here we rapport the experience of our structure about the complications of cesarean. Objectives: The objectives of this study were to study the complications the complications of cesarean section at teaching hospital Gabriel TOURE, Bamako Mali. Materials and methods: We have carried out a cross sectional analytic study from January 1st?2003 to December 31st?2013. All the patients who gave birth by cesarean operation in gynecology-obstetric service of teaching hospital Gabriel TOURE were included during this period of study. Descriptive statistics were used, Chi-square test Pearson, and?Cochran Armitage test have?been used to calculate the P-value of trend. We performed multivariate analyses with a high alpha threshold of 10%, and then logistic regression multivariate. Results: We have registered 28,376 deliveries with 9509 cases of cesarean (33.5%) and a complication cesarean rate of 32% (3049/9509). The main risk factors for cesarean operation completions were adolescence primiparity, obesity, the non-realization of antenatal care, evacuations and co-morbidities. Intraoperative complications were dominated by hemorrhage 8.3% and bladder lesion 1.1%, whereas anemia (58.8%) and parietal infection (21.1%) dominated the postoperative complications table. The evacuation (Odds Ratio adjusted (ORa) = 1.96) as well pre-eclampsia/eclampsia?(ORa = 2.34) and the sicle cell disease (ORa = 9.99) were the main influencing factors of material death. Praevia placenta (ORa = 1.75) abruption placenta (ORa = 11.08) and fetal malformation (ORa = 2.21) dominated the influencing factors of perinatal death. Conclusion:?The cesarean complications rates were high in our improvement of the quality of antenatal care.?The reorganization and revitalizati

关键词： Cesarean Complication Risk Factors Morbidity Mortality