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High Urine Retention: Experience in a Series of Patients with Renal Failure Patients

Open Journal of Urology 2024年第1期14卷 1-10页

作者： Cyrille Ze Ondo Abdoulaye Ndiath Amath Thiam Alioune Sarr Ndiaga Seck Ndour Ousmane Sow Babacar Sine Babacar Diao alain khassim ndoye Urology Department Aristide Le Dantec Hospital Dakar Senegal Urology Department Ouakam Military Hospital Dakar Senegal

Purpose: High urinary retention (HUR) can negatively impact renal function. Our study aimed to present the epidemiological, diagnostic, and therapeutic aspects of HUR in a Senegalese academic hospital. Patients and Methods: We conducted a retrospective study of 70 patients with HUR associated with renal failure from January 2017 to December 2020. Parameters examined included: age, sex, coexisting conditions affecting renal function, clinical symptoms, diagnostic tests, causes of HUR, urinary diversion, and patient outcomes. Results: The average age was 66, with a majority of male patients (87%). Twenty-three patients had pre-existing medical conditions. Oligo-anuria was the most common reason for detecting HUR (70%). Half of the patients had an ECOG score ≥ 2. The mean creatinine level was 50.7 mg/l. Nineteen patients exhibited hydroelectrolytic disorders. Bacterial colonization was observed in 25 patients. Ultrasound and computed tomography were the most frequently performed imaging tests (100% and 62.8%, respectively). Sixty-seven patients had ureterohydronephrosis (UHN), with bilateral UHN in 88.6% of cases. Pelvic cancers (47.1%) were the primary cause of HUR, primarily bladder cancers (27.1%). Nephrostomy was the most common urinary drainage method (50%), particularly for obstructions due to pelvic cancer (88.6%). The majority of patients (52.8%) regained normal renal function after drainage. Nineteen deaths occurred among elderly patients with compromised general health. Conclusion: Urinary drainage significantly improved renal function for most patients. Pelvic cancer emerged as the leading cause of HUR. Nephrostomy was the predominant drainage method.

关键词： Kidney Urinary Retention Renal Failure Urinary Diversions Senegal

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Positive Surgical Margins (PSM) after Open Retropubic Radical Prostatectomy: Evaluation of Patient Survival

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Open Journal of Urology 2021年第7期11卷 282-288页

作者： Babacar Sine Abdoulaye Ndiath Ndéye Aissatou Bagayogo Alioune Sarr Amath Thiam Cyrille Ze Ondo Ousmane Sow El Hadji Malick Diaw Moussa Séne Babou Sakho Cheikh Bécaye Gassama Ibrahima Ngom Yaya Sow Babacar Diao alain khassim ndoye Urology Andrology Department of Aristide Le Dantec Hospital Dakar Sénégal Urology Andrology Department of Ouakam Military Hospital Dakar Sénégal

Background: Many patients who have had radical prostatectomy for prostate cancer may present with microscopic extraprostatic extension of the disease. Positive surgical margins are a common pathological finding in this subgroup of patients. To report the epidemiological, clinical and therapeutic aspects of PSM after radical prostatectomy (RP) and to evaluate the follow-up of patients. Patients and methods: A single-center retrospective descriptive study of patients who underwent radical prostatectomy between June 1, 2004 and December 31, 2019 was conducted. Patients who had radical prostatectomy with PSM on pathology report were included. The parameters studied were age, initial prostate specific antigen (PSA), Gleason and International Society of Uropathology (ISUP) scores, cTNM and pTNM stages, operative technique, PSA levels after surgery, adjuvant treatment and patient survival. Results: Eighty-six (86) radical prostatectomies were performed. PSM was found in 23 patients (26.7%). The mean age of the patients was 63.7 ± 6.1 years. The mean preoperative total PSA was 31.5 ng/mL (6.31 - 146 ng/mL). Prostate biopsy showed only prostatic adenocarcinoma. Thoracic-abdominopelvic CT was performed in all patients. Prostate cancers were found at the localized stage in 12 patients and locally advanced in 11 patients. A classification adjustment was obtained after pathological examination of the surgical specimen. The ISUP score 3 and 1 on the surgical specimen were in the majority with 9 and 7 patients respectively. After the recurrence, all patients who consented received hormone therapy, which was either medical with Goserelin and Triptorelin (7 patients) or surgical with testicular pulpectomy (1 patient). PSA was undetectable (Conclusion: RP with PSM is a fai

关键词： Prostate Cancer Surgical Margins Survival

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Diagnostic Rigid Urethrocystoscopy: Indications, Results and Pain Assessment

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Open Journal of Urology 2020年第8期10卷 239-244页

作者： Ousmane Sow Abdoulaye Ndiath Aboubacar Traore Alioune Sarr Babacar Sine Modou Ndiaye Yassin Sayerh Cyrille Ze Ondo Amath Thiam Ndiaga Seck Ndour El Hadj Malick Daw Ndeye Aissatou Bagayogo Yaya Sow Boubacar Fall Babacar Diao Papa Ahmed Fall alain khassim ndoye Urology-Andrology Department Aristide Le Dantec Hospital Dakar Senegal Urology-Andrology Department De la Paix Hospital Ziguinchor Senegal Urology-Andrology Department Dalal Jamm Hospital Dakar Senegal

Background: Over the last 50 years, endourology has revolutionized urological practices worldwide. This is not so in many urological centers in West Africa. Although, some centers have made progress in the level of urological services that they offer;many of such centers provide rigid urethrocystoscopy services. Rigid urethrocystoscopy is an endoscopic examination that explores the urethra, bladder and prostate in men. Aims: We report the indications, results and pain assessment of rigid urethrocystoscopy in our center. Patients and Methods: We carried out a retrospective, descriptive, monocentric study in our center between January 2016 and June 2018. The study included all patients who had a rigid urethrocystoscopy under local anaesthesia. We studied the following parameters: sex, age, indications for the examination, outcomes and the pain assessment. Results: Five hundred and forty-one patients were included. The sex-ratio was 1.49. The mean age was 49.47 ± 18.48 years (12 years and 91 years). Lower urinary tract symptoms (29%) and hematuria (28%) were the most common indications. The rigid urethrocystoscopy was normal in 26.8% of patients. Bladder tumors (21.2%) were the most frequent lesions. In men, prostate tumors were more common (21%) followed by bladder tumors (17.9%), while in women, bladder tumors (26.3%) were predominant followed by cystopathy lesions (12.4%).The mean Simple Verbal Scale (SVS) score was 1.25 in women and 2.1 in men. Conclusion: Rigid urethrocystoscopy was relatively well tolerated by our patients. Hematuria was the primary indication and the main etiologies were bladder and prostate tumors.

关键词： Rigid Urethrocystoscopy Bladder Tumors Hematuria

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Hypospadias: Evaluation of Therapeutic Outcomes and Sexual Function in Adulthood in a University Hospital Setting

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Open Journal of Urology 2020年第9期10卷 245-252页

作者： El Hadji Malick Diaw Modou Ndiaye Ousmane Sow Abdoulaye Ndiath Alioune Sarr Boubacar Fall Babacar Sine Aboubacar Traore bdourahmane Ndong Cyrille Ze Ondo Amath Thiam Oumar Gaye Ndiaga Seck Ndour Ngor Mack Thiam Yaya Sow Babacar Diao Papa Ahmed Fall alain khassim ndoye Urology-Andrology Department Aristide Le Dantec Hospital Dakar Senegal Urology-Andrology Department De la Paix Hospital Ziguinchor Senegal Departement of Surgery Gaston Berger University Saint-Louis Senegal Urology-Andrology Department Dalal Jamm Hospital Dakar Senegal

Background: Hypospadias is a congenital malformation resulting from hypoplasia of the tissues forming the ventral face of the penis. It is associated to variable degrees with an ectopic urethral meatus, a penis curvature and a sapper’s apron foreskin [1]. The incidence of this malformation varies from country to country. It is estimated at 1/300 male births in France and 0.26/ 1000 in Mexico [1]. In Senegal, the prevalence of this malformation is unknown. Hypospadias surgery has improved significantly in recent years due to a better understanding of the anatomy on the one hand and the improvement of the instruments used during surgery on the other (suture material, surgical magnification, urethral catheter of suitable size). In sub-Saharan Africa and particularly in Senegal, hypospadias surgery remains a challenge due to the unavailability of adequate equipment (lack of microsurgical instruments and surgical loupes). Objective: To evaluate the outcomes of the treatment of hypospadias by the different surgical techniques used in our center as well as their sexual function in adulthood. Patients and Methods: This is a retrospective study, including all patients operated for hypospadias between January 2009 and December 2017 in Urology-Andrology department of Aristide Le Dantec hospital. The studied parameters were: frequency, age, clinical and therapeutic aspects, and their sexual function in adulthood after treatment. The outcomes of the treatment were judged good or poor depending of the quality of penile straightening, the aesthetic appearance of the penis, the position of the urethral neo-meatus, the permeability of the urethra and the existence or not of fistula. The sexual function was assessed by the International Index of Erectile Function 15 (IIEF) score. Results: Fifty-five patients were included. The median age was 6 years (P25 = 2.8 and P75 = 13 year

关键词： Urogenital Malformation Penile Enlargement Urethroplasty Urethrocutaneous Fistula

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Metastatic Prostate Cancer under Androgen Deprivation Therapy: Factors Influencing Castration Resistance

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Open Journal of Urology 2020年第7期10卷 225-232页

作者： Modou Ndiaye Ousmane Sow Babacar Sine Omar Gaye Alioune Sarr Abdoulaye Ndiath Cyrille Ze Ondo Amath Thiam Ndeye Aissatou Bagayogo Samba Thiapato Faye Ndiaga Seck Ndour Aboubacar Traore Ngor Mack Thiam El Hadj Malick Diaw Yaya Sow Boubacar Fall Babacar Diao alain khassim ndoye Urology-Andrology Department Aristide Le Dantec Hospital Dakar Senegal Urology-Andrology Department De la Paix Hospital Ziguinchor Senegal

Objective: To evaluate the factors predicting the time to progression to castration-resistant in metastatic prostate cancer under Androgen Deprivation Therapy (ADT) in our center. Patients and Methods: This is a retrospective, descriptive, analytical study in a single center over a period of 2 years. It has interest patients followed for metastasized prostate cancer under ADT. The parameters studied were: epidemiological, clinical, paraclinical, prostate specific antigen (PSA) nadir, time to nadir (TTN) and their link with the castration resistance. Results: The frequency of castration resistant prostate cancer was 28 patients per year. The mean age was 70.4 ± 7.9 years. An ECOG score ≥ 3 was more common as was the cT2c stage. The median of the initial total PSA was 489.6 ng/ml (203.3;1653.2). All patients had adenocarcinoma. The International Society of Urological Pathology (ISUP) 1 was more frequent. Bone metastases were more frequent. The medians of nadir, TTN and the castration resistance were 19.3 ng/ml (3.7;102.1), 5.5 months (3;9) and 11 months (6;15.3), respectively. The Eastern Cooperative Oncology Group (ECOG) score, clinical stage, metastatic site, the nadir and its TTN influenced the DSR. Age, lymph node involvement, initial total PSA and Gleason score did not influence the castration resistance. Conclusion: ADT should be initiated as soon as possible before an attack of general and/or clinical stage advanced to delay resistance. A drilling should be associated with this hormone therapy as much as possible because of its gain on resistance.

关键词： Cancer Prostate Androgen Deprivation Therapy Resistance Prognoses

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Synthesis, Structural Characterization and Computational Studies of Bis(2-Ethylimidazole) Bis(Formato)Zinc(II)-Water (1/1)

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Crystal Structure Theory and Applications 2018年第1期7卷 1-18页

作者： Nana Odette Ngnabeuye Tayo alain Djampouo Ndosiri ndoye Bridget Tanyi Rogers Fomuta Djimassingar Golngar Tagne alain Charly Kuate Ngoune Jean Department of Chemistry University of Dschang Dschang Cameroon Department of Inorganic Chemistry University of Yaounde I Yaounde Cameroon Department of Chemistry Mongo Polytechnique University Institute (IUPM) Mongo Chad

The reaction of 2-ethylimidazole and zinc formate monohydrate in 1:2 ratio in toluene leads to the formation of bis(2-ethylimidazole)bis(formato)zinc(II)-water (1/1), [Zn(N2H8C5)2(OCHO)2]·H2O, 1 which has been characterized by several techniques, including elemental and thermal analyses, IR, 1HNMR and 13CNMR spectroscopies, single crystal X-ray diffraction and DFT studies. The results obtained show that this complex crystallizes in the orthorhombic crystal system of the Pbca space group, with cell parameters a = 14.7230(2) Å, b = 7.3880(10) Å, c = 29.0843(4) Å, α = 90°, β = 90°, γ = 90°, V = 3163.73 Å3 and Z = 8. The zinc center is bound to two molecules of 2-ethylimidazole, two formate molecules in a tetrahedral coordination geometry. One water of crystallization is present in the coordination sphere of the compound. Its molecular crystalline structure is strengthened by O/N-H…O, O-H…π, O-H…H, C-H…O, H…π, π…O and π…π interactions. The optimized structure, frontier molecular orbitals, global reactivity descriptors, molecular electrostatic potential, natural bond orbitals and the Mulliken atomic charges were investigated through theoretical studies.

关键词： Zinc Complex 2-Ethylimidazole Hydrogen Bonds Thermogravimetric Analysis 1HNMR 13CNMR X-Ray Theoretical Studies

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Synthesis, Characterization and DFT Studies of Two Zinc(II) Complexes Based on 2-Isopropylimidazole

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Open Journal of Inorganic Chemistry 2018年第4期8卷 105-124页

作者： Jean Jacques Anguile Odette Nana Ngnabeuye Ndosiri ndoye Bridget Tanyi Rogers Fomuta Alvine Loris Djoumbissie alain Charly Kuate Tagne Jean Ngoune Department of Chemistry University of Sciences & Techniques of Masuku Franceville Gabon Department of Chemistry University of Dschang Dschang Cameroon Department of Inorganic Chemistry University of Yaounde 1 Yaounde Cameroon

Two novel coordination compounds, [Zn(L)2(OOCH)2] (1) and [Zn(L)3(OCHO)](OCHO)]·H2O (2) (where L = 2-isopropylimidazole, C6H10N2) have been prepared by reaction of 2-isopropylimidazole with zinc(II) formate at room temperature using toluene as solvent. These compounds were characterized by elemental and thermal analyses, IR, 1HNMR and 13CNMR spectroscopies, single crystal X-ray diffraction and DFT studies. The Zn centers in 1 and 2 adopt pseudo-tetrahedral coordination geometries. Compound 1 crystallizes in the monoclinic system P2/c space group whereas compound 2 crystallizes in the P-1 space group of the triclinic crystal system. Several types of hydrogen intra-/intermolecular interactions are observed in these materials and extend into a two-dimensional leaf like network in 1 and a two-dimensional lattice of rectilinear pillars in 2. Compounds 1 and 2 were also optimized and their frontier molecular orbitals, global reactivity descriptors, molecular electrostatic potential, natural bond orbitals were investigated using density functional theory (DFT). In fact the induced structural differences from complex 1 to complex 2 led to the reduction of the frontier molecular orbital energy gap by 1.338 eV and a decrease of the chemical hardness by 0.669 eV.

关键词： Zinc(II) Complexes of 2-Isopropylimidazole Thermogravimetric Analysis 1H-MR 13C-MR Crystal Structure DFT Studies

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