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Surgical Treatment of Upper Urinary Tract Lithiasis in Conakry

Open Journal of Urology 2024年第9期14卷 487-498页

作者： Barry mamadou Madiou diallo Thierno Oumar Sow Thierno Amadou oury diallo Thierno mamadou oury Bah Ibrahima Bah mamadou Diao Cissé Demba Bah Oumar Raphiou Service dUrologie Hpital National Ignace Deen Universit Gamal Abdel Nasser de Conakry Conakry Guinea

Introduction: The management of urinary lithiasis in our settings has long been conventional surgery. The recent introduction of endoscopy of the upper urinary tract represents a major advance in our department. The aim was to contribute to the study of the treatment of lithiasis of the upper urinary tract in Conakry and to report on our initial experience of ureteroscopy in Conakry. Methodology: This is a prospective descriptive study lasting one year, from January 1 to December 31, 2022, carried out at the Urology Department of the Ignace Deen National Hospital and at the PERCHIN Urological Clinic. The study included all patients treated surgically for lithiasis of the upper urinary tract who met the selection criteria. Results: The study included 57 patients. The mean age was 30 years, with extremes of 20 and 73 years;the most represented age group was 31 to 40 years, followed by 20 to 30 years with 29.9% and 26.3% respectively. Males predominated in 36 cases (63.15%), with a M/F sex ratio of 1.71. Left-sided renal colic was the most common, at 75.43% (n=43), and right-sided renal colic at 40.35%, associated with digestive signs at 43.85%. 77.19% had normal creatinine levels before surgery, versus 22.81% with elevated creatinine levels, i.e. 15.78% improvement in renal function after surgery. Urinary tract infection was found in 47.36%, and Escherichia coli in 31.57%, followed by staphylococcus aureus in 8.77%. Overall, 82.45% of patients had organic damage to the kidneys or ureters. Right ureterohydronephrosis was noted in 56.14%, followed by left hydronephrosis in 26.32%. Open surgery was predominant in 52.63% of cases, with endoscopic surgery (URS) accounting for a significant 47.36% during the study period. The endoscopic treatment used was laser ureteroscopy. In our study, 73.68% underwent drainage of the upper excretory tract, including 64.91% with a JJ catheter. The average length of stay was 07 days, with extremes of 02 and 28 days, and 81.4% of patients

关键词： Urinary Lithiasis Surgical Treatment Ureteroscopy Upper Urinary Tract Conakry

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Influence of Anthropogenic Activities on Surface Water Resources—Case of the Sub-Prefecture of Kamsar-Boké

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Journal of Geoscience and Environment Protection 2024年第8期12卷 168-179页

作者： Konate Daouda Kone Tidiani Kamano Saa Moussa diallo mamadou oury Higher Institute of Veterinary Sciences and Medicine of Dalaba Dalaba Guinea Jean Lorougnon Guede-Daloa-RCI University Daloa Ivory Coast

Living fishery resources, although rich and important for human populations, are subject to strong anthropization, thus causing a change in the environmental parameters of aquatic ecosystems. These multiple combined pressures: chemical, hydro-morphological, thermal or trophic, affect and disrupt the functioning of aquatic organisms. The objective of this study was to assess the main human pressures influencing the surface water resources of the Kamsar sub-prefecture, in order to propose mitigation measures. The following methodological approach was adopted: 1) Survey of managers and analysis records;2) Survey of stakeholders;3) Assessment of the effect of human activities on surface water resources;4) Data processing;5) Corrective measures. The survey farmers working near aquatic environments, revealed a low use of chemical substances, in particular 3 to 11 kg of fertilizer and 0 to 3 boxes of herbicide on fields of 40 m2 to 2 ha. Some physico-chemical parameters have been determined: Temperature (28.5˚C, 23.7˚C, 22.8˚C, 21.3˚C, 21.6˚C), Salinity (26.9‰, 21.9‰, 21.5‰, 15‰, 15.3‰) and Turbidity (21.3 UTN, 19.3 UTN, 17.8 UTN, 16.7 UTN, 17 UTN). These values show a fluctuation in the environmental parameters of aquatic ecosystems, which constitutes an obstacle to the development and survival of the resources.

关键词： Influence Anthropogenic Activities Water Resources

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Post-Operative Mortality Analysis in the Urology Department of Conakry University Hospital

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Open Journal of Urology 2023年第4期13卷 122-131页

作者： Bah mamadou Bissiriou Kanté Daouda Cissé Demba diallo Thierno mamadou oury Barry mamadou Dian diallo Alimou Bah mamadou Diao Bah Ibrahima diallo Abdoulaye Bobo Bah Oumar Raphiou Faculty of Health Sciences and Technique Gamal Abdel Nasser University of Conakry Urology Department CHU of Conakry Guinée

Introduction: Death is a major accident which constitutes an element whose evaluation and analysis are necessary in a surgical service. Such a study is especially important in our country where the health structure operates with limited resources and more than half of the population lives below the poverty line. The objective of this study was to determine the frequency of post-operative mortality, to describe the main comorbidity factors responsible for this mortality and to identify the main cause of post-operative death in the urology department of the Ignace Deen National Hospital Material and Method: This was a retrospective descriptive study lasting 5 years from January 1, 2015 to December 31, 2019. It had focussed on all the files of patients operated on at the Urology Department of the Ignace Deen National Hospital, either in an emergency or planned and who died in per or post-operative immediately or 30 days later. Results: We recorded 63 cases of post-operative death, or a frequency of 1.84%. The average age was 61.92 ± 16.91 with the extremes of 12 and 91 years. Bladder (20.63%) and prostate tumours (60.3%) were the main admission diagnoses. High blood pressure was the main comorbidity factor found with 38.09% of cases followed by diabetes with 12.69%. Transurethral resection of the prostate, transurethral resection of the bladder and prostate adenocomectomy were the most performed surgical procedure with respective proportion of 19.04%, 20.63% and 38.09%. Probable cause of death were anemia in 25 cases (39.68%), septic in 20 cases (31.75%), heart failure in 6 cases (9.52%), pulmonary embolism in 5 cases (7.94%), obstructive renal failure 4 cases (6.35%) and stroke in 3 cases (4.76%). Conclusion: The majority of deaths occurred in patients over the age of fifty. Anaemia was the main cause of deaths. Difficulties in procuring blood products as well as the lack of modern therapeutic means are factors that make it difficult for patients to adequately manage.

关键词： Post Operative Mortality Urology Ignace Deen

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Urethrocystoscopy: Indications and Results in the Urology Department of the Ignace Deen National Hospital in Conakry

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Open Journal of Urology 2023年第8期13卷 302-308页

作者： diallo Thierno mamadou oury Bah mamadou Diawo Kanté Daouda Souaré mamadou Billo Cissé Demba Bah mamadou Bissiriou Barry Alpha Oumar diallo Thierno Oumar diallo Alimou diallo Abdoulaye Bobo Bah Oumar Raphiou Urology Department Faculty of Health Sciences and Techniques of Conakry Ignace Deen National Hospital in Conakry Conakry Guinea

Introduction: Urethrocystoscopy is an examination of choice in the assessment of voiding disorders and especially macroscopic hematuria. The objective of this study was to analyze the indications and results of urethrocystoscopy in the urology department of the Ignace Deen National Hospital in Conakry. Material and Methods: We carried out a prospective descriptive study over 6 months, from 1st June to 30th November 2022, which included all patients who underwent urethrocystoscopy in the Urology Department of the Ignace Deen National Hospital in Conakry. We studied the following parameters: sex, age, indications and results of the examination, and complications. Results: 77 patients were included. The average age was 56.5 ± 19.5 years with extremes of [15 to 88 years]. The sex ratio was 2.9. Hematuria (50.7%) and lower urinary tract symptoms (32.4%) were the most frequent indications. Cystocystoscopy was normal in 14.3% of patients. Bladder tumors (29.9%) and prostatic hypertrophy (18.2%) were the most found lesions. Conclusion: Rigid urethrocystoscopy occupies an important place in the exploration of hematuria and lower urinary tract symptoms in our department. Bladder tumors and prostatic hypertrophy were the main lesions observed.

关键词： Urethrocystoscopy Hematuria Bladder Tumour

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Management of Bladder Exstrophy: A Case Report in the Urological Ward at Saint Elizabeth General Catholic Hospital SHISONG

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Open Journal of Urology 2019年第10期9卷 162-166页

作者： Cisse Demba Barry mamadou II Kante Daouda Bah Ibrahima Bah mamadou Diawo diallo Thierno mamadou oury Bah mamadou Bissiriou Fofana Houssein Fomonyuy Edwin Cherif Mahamoud Sama diallo Ab Bah Oumar Raphiou Faculty of Health Sciences and Techniques Gamal Abdel Nasser University of Conakry Conakry Guinea Shisong Hospital Kumbo Cameroon.

Bladder Extrophy is a rare urogenital malformation of the penis and bladder. This is an impressive fact at birth, due to the absence of the anterior bladder wall and the dorsal side of the penis. We report the clinical observation of a 21-month-old child who consults for urine incontinence from birth, when physical examination showed complete bladder extrophy. The reconstructive surgery allowed forming a bladder reservoir associated with a repair of the penis at the same time. Bladder extrophy is a benign condition whose operative consequences can be simple but urinary incontinence is not uncommon after reconstitution.

关键词： Extrophy Penis Bladder Malformation

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Causes and Prognosis of Cases of Acute Obstructive Renal Failure Managed at the Donka National Hemodialysis Center

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Open Journal of Nephrology 2024年第2期14卷 136-146页

作者： Amadou Yaya diallo mamadou Mouctar diallo mamadou Dian Barry Kadiatou mamadou Bobo Barry Saikou Oumar diallo Djenabou diallo Soriba Bangoura mamadou Malal diallo Thierno mamadou oury diallo Mohamed Lamine Kaba Alpha Oumar Bah Department of Nephrology-Hemodialysis CHU Donka Conakry Guinea Faculty of Health Sciences and Techniques Gamal Abdel Nasser University of the Republic of Guinea Conakry Guinea Department of Urology-Andrology CHU Ignace Deen Conakry Guinea

Introduction: Acute obstructive renal failure (AORF) is a frequent clinical situation, secondary to obstruction of the urinary excretory tract. Whatever the cause, urinary tract obstruction suddenly opposes glomerular filtration and is responsible for tubulointerstitial lesions. It accounts for 10% of acute renal failure (ARF). The aim of this study was to identify the causes and prognosis of cases of acute obstructive renal failure managed at the Centre National d’hémodialyse Donka. Material and Methods: This was a prospective descriptive study lasting 6 months, from September 1, 2022 to February 29, 2023. All patients undergoing haemodialysis for acute obstructive renal failure who agreed to participate in the study and whose medical records were complete were included. Results: During the course of the study, we registered 97 haemodialysis patients, including 20 cases (20.62%) of acute obstructive renal failure. The mean age of the patients was 57.8 ± 10.54 years, with a male predominance of 11 cases (55%) and a sex ratio of 1.22. The reasons for consultation were dominated by physical asthenia 11 cases (55%), lumbar pain 9 cases (50%), vomiting 6 cases (30%) and acute urine retention 6 cases (30%). Arterial hypertension 16 cases (80%) and urinary tract infection 10 cases (50%) were the most common antecedents. The etiologies of RAOI were dominated by lithiasis 10 cases (50%), neoplasia 6 cases (30%) and benign prostatic hypertrophy 3 cases (15%). mean creatinine was 1267.60 ± 710.76 μmol/l with extremes of 243 μmol/l and 2822 μmol/l, mean urea was 39.56 ± 18.36, hyperkalemia in 14 cases (70%) and hyponatremia in 8 cases (40%). After hemodialysis, 9 cases (45%) recovered renal function, 4 cases (20%) became chronic and 7 cases (35%) died. Conclusion: The frequency of AKI remains non-negligible in our department, and early detection and prompt management would considerably reduce the morbidity and mortality associated with this pathology.

关键词： Acute Obstructive Renal Failure Hemodialysis Prognosis Donka

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Prostatic Adenomectomy and Comorbidities: Frequency and Management at the Urology Department of the Ignace Deen National Hospital in Conakry

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Open Journal of Urology 2024年第4期14卷 217-226页

作者： Demba Cisse Alpha Oumar Barry Morlaye Fatoumata Bangoura Alimou diallo mamadou Dian Bah Youssouf Keita Daouda Kanté Thierno mamadou oury diallo mamadou Bissiriou Bah mamadou Diawo Bah Abdoulaye Bobo diallo Oumar Raphiou Bah Maitre-Assistant à la Facult&#233 des Sciences et Techniques de la Sant&#233 Universit&#233 Gamal Abdel Nasser de Conakry Conakry Guin&#233e

Goal: To determine the type of comorbidity and highlight the complications of adenomectomy and comorbidities. Material and Methods: This is a prospective, descriptive, cross-sectional study lasting six (6) months, from July 1, 2022 to December 31, 2022. Patients with BPH on comorbidity condition taken care of during the study period AND have agreed to participate in the study. Results: During our study, 49 cases of benign prostatic hypertrophy with comorbidities were collected, representing a frequency of 29%. The average age ranges for the patients were 43 - 70 years. The age group most affected was 70 to 79 years old (38.80%). Nocturnal urinary frequency was the main reason for consultation present in all our patients. The most frequent comorbidity was hypertension, i.e. 83.70%. The PSA rate between 4 and 10 was the most represented, i.e. 42.86%. The prostate volume was between 61 and 100 ml in 40.82% of patients. Histology showed that it was a benign adenomatous hypertrophy of the prostate in 85.70% and a prostatic adenomyoma in 14.29%. Trans-bladder adenomectomy alone was the most performed technique, i.e. 49%, followed by trans urethral resection of the prostate, i.e. 38.80%. Retention of urine after removal of the catheter was the most observed complication, i.e. 12.20%. Conclusion: Benign prostatic hypertrophy with comorbidities constitutes a frequent association. Because their presence can affect effectiveness and lead to complications.

关键词： Prostatic Hypertrophy Comorbidities Conakry University Hospital

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Evaluating the Influence of the Prostate Weight on the Morbidity and Mortality of Transvesical Open Prostatectomy: Prospective Analysis of 108 Cases in the Urology-Andrology Department of the Ignace Deen National Hospital in Conakry

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Open Journal of Urology 2024年第4期14卷 252-261页

作者： Thierno Oumar diallo Alimou diallo Alpha Oumar Barry Thierno mamadou oury diallo Alseny Bah Youssouf Keita Daouda Kanté mamadou Bissiriou Bah Demba Cissé Ibrahima Bah Abdoulaye Bobo diallo Oumar Raphiou Bah Urology Department National Hospital of Ignace Deen Conakry University Conakry Guinea Urology Department Sino-Guinean Friendship Hospital Conakry University Conakry Guinea

Introduction: Open transvesical prostatectomy remains today one of the most effective approaches for the management of benign prostatic hyperplasia despite the fact that, this method is associated with multiple complications. The objective of this study was to evaluate the influence of prostate weight on the morbidity and mortality of transvesical prostatectomy for adenoma in the urology-andrology department of the Ignace Deen National Hospital. Materials and Methods: This was a prospective, longitudinal and analytical study lasting 6 months, from March 1, 2022 to August 31, 2022 including patients admitted and operated on by open transvesical prostatectomy by assessing the influence of prostate weight on the morbidity and mortality of transvesical adenomectomies. Results: 108 patients were included in our study, the average age of our patients was 70 ± 7.7 years, cultivators were the most represented profession with 38.89%, and hypertension was the most represented comorbidity with 75%. 33.06% of cases became complicated and surgical wound infection was the main complication with a frequency of 17.40%. Statistical analysis did not conclude that, the prostate weight does not have a statistically significant influence on the morbidity and mortality of transvesical open prostatectomy for benign prostatic hyperplasia. Conclusion: Prostate weight has no influence on the morbidity and mortality of transvesical prostate adenoma.

关键词： Benign Prostatic Hyperplasia (BPH) Adenomectomy Prostate Weight Complication

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Diabetes Screening and Cardiovascular Risk in Tuberculosis Patients in Conakry and Surrounding Towns

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Open Journal of Endocrine and Metabolic Diseases 2024年第1期14卷 7-13页

作者： mamadou Chérif diallo mamadou Dian Mamoudou diallo Mody Abdoulaye Barry Kadija Dieng Alpha mamadou diallo mamadou Mansour diallo Oumou diallo Amadou Kaké Gamal Abdel Nasser University of Conakry Conakry Guinea Endocrinology-Diabetology Department of Donka University Hospital Conakry Guinea Foundation for The Fight against Diabetes and Non-Communicable Diseases Conakry Guinea

Objective: To determine the prevalence of diabetes and the level of cardiovascular risk in tuberculosis patients treated in Conakry and surrounding towns. Method: This was a cross-sectional study carried out at tuberculosis treatment centers in Conakry and surrounding towns (Coyah and Dubréka) on World TB Day, November 14, 2022, among 350 tuberculosis patients. We determined the proportion of TB patients with diabetes and high hyperglycemia. We determined the Chi-square to identify the factors associated with the occurrence of diabetes in tuberculosis patients, and a significance threshold with p Results: The average age of participants was 33.5 ± 14.5 years, and they were predominantly male (59.7%). The majority of participants lived in Conakry (96.3%). 5.7% were known diabetics and 4.6% were known hypertensives. We found a prevalence of diabetes of 9.4%. Among diabetics, 39% were diabetes discoveries. 30% were hypertensive or had high blood pressure. Of these hypertensive patients, 26.4% were unrecognized hypertensives. Age and hypertension were statistically significantly associated with the onset of diabetes in tuberculosis patients. Medium, high and very high levels of cardiovascular risk were present in 23.4%, 8.9% and 3.4% respectively. Conclusion: Diabetes is common in tuberculosis patients. Cardiovascular risk factors, notably hypertension and cardiovascular risk level, are frequently associated with tuberculosis. Tuberculosis patients with cardiovascular risk factors should be screened for diabetes.

关键词： Screening Diabetes Tuberculosis Cardiovascular Risk Conakry

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Design of an Interconnection Architecture and Sizing of Two (2) EPC Core Networks: The Case of Orange-Guinea

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Journal of Energy and Power Engineering 2024年第2期18卷 59-70页

作者： mamadou Sadigou diallo Kadiatou Aissatou Barry Amadou Lamarana Bah mamadou Sanoussy Camara Janvier Fotsing Amadou Barry Amadou oury Bah Gamal Abdel Nasser University of Conakry(UGANC) P.O.BOX 1147Conakry 001BP 1147Republic of Guinea National Advanced School of Engineering University of Yaoundé1Yaoundé1001BP 337Republic of Cameroon

With the arrival of the 4G and 5G,the telecommunications networks have experienced a large expansion of these *** enabled the integration of many services and adequate flow,thus enabling the operators to respond to the growing demand of *** rapid evolution has given the operators to adapt,their methods to the new technologies that *** complexity becomes more important,when these networks include several technologies to access different from the heterogeneous network like in the 4G *** dimensional new challenges tell the application and the considerable increase in demand for services and the compatibility with existing networks,the management of mobility intercellular of users and it offers a better quality of ***,the proposed solution to meet these new requirements is the sizing of the EPC(Evolved Packet Core)core network to support the 5G access *** the case of Orange Guinea,this involves setting up an architecture for interconnecting the core networks of Sonfonia and *** objectives of our work are of two orders:(1)to propose these solutions and recommendations for the heart network EPC sizing and the deployment to be adopted;(2)supply and architectural interconnection in the heart network EPC and an existing heart *** our work,the model of traffic in communication that we use to calculate the traffic generated with each technology has link in the network of the heart.

关键词： 5G network 4G network(EPS(evolved packet system)) 3G network(UMTS:Universal Mobile Telecommunications System) EPC network of the heart architecture dimensional Orange Guinea technology service

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