Ahmed Adam

Ahmed Adam
University of the Witwatersrand | wits · Department of Surgery

About

85
Publications
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267
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Introduction
Prof Ahmed Adam is an Associate Professor in the Division of Urology, Department of Surgery, School of Clinical Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa & Clinical Head of Unit and CMJAH Cluster: Departments of Urology, Charlotte Maxeke Johannesburg Academic Hospital (CMJAH), Helen Joseph Hospital (HJH), and Rahima Moosa Mother & Child Hospital (RMMCh), Johannesburg, South Africa

Publications

Publications (85)
Article
Background We aimed to define the published impact, efficacy, cost‐effectiveness, and precise role of the Isiris‐αTM device: the world's first sterile, Single‐Use Grasper Integrated Flexible Cystoscope (SUGIFC) for ureteral stent removal. Methods After PROSPERO registration (CRD42021228755), the Preferred Reporting Items for Systematic reviews and...
Article
Background: Ureteral stent insertion and subsequent removal remains one of the most common procedures performed in endourology. We aimed to evaluate a novel, one-step method, permitting simultaneous stent removal and guidewire passage using a self-constructed suture snare via standard cystoscopy. This method should be used prior to ureteroscopy, i...
Article
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Acute myocardial infarction (AMI) occurs as a manifestation of coronary atherosclerotic disease. The occurrence of erectile dysfunction (ED) following AMI is well documented and this association and pathophysiology is often interrelated. Few studies have objectively assessed the diagnostic value of ED as a risk factor for AMI, in general. In this r...
Article
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Background: To assess if trans-urethral snare of bladder tumor (TUSnBT) with subsequent stone basket retrieval can be used as an effective, time-saving adjunct resection technique for papillary bladder lesions. Methods: Via standard cystoscopy, TUSnBT was performed using a standard endoscopic polypectomy snare with subsequent tumor extraction ut...
Article
Study Type – Diagnostic (exploratory cohort) Level of Evidence 2b What’s known on the subject? and What does the study add? The PCA3 assay has shown significant potential amongst the initial studies carried out in Western countries. This assay performed in line with previous studies. We have shown this marker to perform independent of prostatic vol...
Article
Purpose of review: To provide an overview of diagnosis, genetic abnormalities, clinical signs and treatment options for the major heritable renal cell carcinoma (RCC) syndromes. Recent findings: RCC in major hereditary syndromes are disorders which are typically autosomal dominant. They predispose patients to early onset of RCC and may exhibit o...
Article
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Background:. Coronavirus disease 2019 (COVID-19) has an established impact on multiple organ systems, including the vascular and urogenital systems. Vascular effects may include venous thromboembolic disease, which could theoretically be a precursor to priapism—a urological emergency defined as an abnormal condition of prolonged penile erection las...
Article
Background: Recurrent Testicular Torsion (RTT) is a rarely reported event after previous testicular torsion (TT) repair. Both conditions have similar signs and symptoms. Various techniques have been attempted to reduce the incidence of retorsion. This review assesses the presentation, diagnosis, risk factors, management and outcomes associated wit...
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Background Uretero-pelvic junction obstruction (UPJO) is a common cause of upper tract urinary obstruction. This condition is generally treated with various surgical options which include endoscopic (retrograde or anterograde), laparoscopic, open or robotic-assisted approaches. Herein, we describe a novel endoscopic retropelvic extra-luminal approa...
Article
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Background The intensive care unit (ICU) generates more medication prescriptions per patient day than any other unit in the hospital. The dynamics of the ICU environment, coupled with the complexity of patient pathology, increases the risk of medication errors. This study aimed to evaluate the incidence and spectrum of medication errors in an adult...
Article
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Cobb's collar is a rare intraluminal congenital cause of bulbar urethral obstruction that is commonly mislabelled congenital obstructive posterior urethral membrane (COPUM) but may be distinguished from this endoscopically as it has no connecting folds to the verumontanum. In this report, Cobb's collar is described for the first time in association...
Article
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We report on the diagnosis and management of a 25-year-old female with a congenital solitary kidney associated with simultaneous pelviureteric (PUJ) and vesicoureteric (VUJ) junction obstructions complicated by a lower pole renal stone. The patient was successfully managed completely endoluminally over two procedures with the use of double-J stents...
Conference Paper
Introduction: Uretero-pelvic junction obstruction (UPJO) is a common cause of upper tract urinary obstruction. It is generally treated with various surgical options which include the endoscopic, laparoscopic, open or robotic assisted. Methods: An adult male presented with left flank pain. CT-scan revealed left-sided hydronephrosis with two discrete...
Conference Paper
Background: Ureteral stents are commonly used to maintain ureteral patency. Various innovations have been advocated in the design and subsequent removal of the traditional double J stent. One such innovation involves the utilization of a distal magnetic bead attached to the double J stent. This facilitates outpatient removal using a magnetic stent...
Article
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The role of laparoscopic nephrectomy (LN) is well established in the operative armamentarium of renal surgery and has also extended to the resection of benign and malignant renal neoplasms. Despite growing evidence advocating conservative management of renal trauma, the role of LN in the management of renal trauma is not well defined. Thus, a syste...
Article
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Objective: The objective of this study was to conduct a pilot study to determine the prevalence and patterns of emergency urological presentations and to evaluate their relationship with the lunar cycle and seasonal variation. Methods: Medical records of subjects that presented with urological pathology to the Emergency Department during the 2017 c...
Article
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This report describes an isolated urethral duplication in the coronal plane in a child referred with primary 'enuresis'. This presentation is unique because duplications usually occur in the sagittal plane. In patients with suspected urethral duplication, magnetic resonance imaging in conjunction with catheterisation of the distal duplicate opening...
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We report a rare presentation of an advanced prostate cancer (Gleason 10) in a 41-year-old man with complete large bowel obstruction relieved by loop colostomy. His young age prompted a search for a cause and genetic testing confirmed chromosome 10 PTEN deletion. His immediate family members were screened and counselled appropriately. This case out...
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Testicular torsion is a challenging and time-sensitive diagnosis that is encountered frequently in daily practice, especially in the emergency room. A thorough history, the presence of a painful and swollen testis and testicular ultrasonography plays a vital role in the prompt diagnosis of testicular torsion. Prompt diagnosis is essential to preven...
Article
Traumatic penile amputation and re-implantation or refashioning is scarcely reported in the literature. We present our case, the first report of successful glans refashioning in an 11-year-old boy, using the Bracka (refashioning) technique after complete glans penis amputation from a dog bite injury, with unsuccessful re-implantation due to the nat...
Article
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Background: The role of the voiding cystourethrogram (VCUG) in the follow-up of children with posterior urethral valves (PUVs) post-ablation has been considered a standard practice. The urethral ratio and gradient of change have proven to be useful. Objectives: We aimed to review the role of the ‘ideal’ ratio on predicting residual PUV post-ablati...
Article
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Background Urinary diversion procedures frequently result in bacterial colonisation. There is an increased incidence of developing urinary tract infections (UTIs) in this patient population. Current guidelines, however, recommend against treating this colonisation. This systematic review aimed to determine when and how to test, monitor, and treat b...
Technical Report
https://www.urotoday.com/recent-abstracts/urologic-oncology/prostate-cancer/120602-prostate-cancer-information-on-the-internet-fact-or-fiction-beyond-the-abstract.html
Article
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Tuberculous (TB) prostatitis is rare; usually occurring in immunocompromised men. It can mimic benign prostatic hyperplasia (BPH), chronic prostatitis or prostate cancer. This report in an immunocompetent 72-year-old man adds to the clinical spectrum of the five prior reported cases. A low threshold for prostatic biopsy led to a histological evalua...
Article
Background: Testicular torsion (TT) is a urological emergency that affects one in 4000 males younger than 25 years. Delays in the management of TT may result in testicular ischaemia, testicular necrosis, orchidectomy and infertility. This review assesses the validity of near-infrared spectroscopy (NIRS) as a diagnostic tool in the assessment and d...
Article
The ‘angry’ scrotum : idiopathic scrotal calcinosis : a case report. Wits Journal of Clinical Medicine, Volume 1 Number 2, Aug 2019, p. 89 - 92
Article
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The investigation, management and follow up of pediatric ureteropelvic junction obstruction is not standardised. The Young Pediatric Urology Committee (YPUC) of the European Society of Pediatric Urology interviewed five experts in the field on various aspects of management and compared this with published literature.
Article
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Presentation to the emergency department with renal colic has been reported as between 6.7 and 27.9 per 1000 emergency department visits. Clinicians rely on various radiological investigations for the prompt and accurate diagnosis of urolithiasis. This review assesses the validity of the colour Doppler ultrasonographic twinkling artefact (TA) sign...
Article
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Background/aims: In today's information era, patients often seek information regarding health using the internet. We assessed reliability and validity of internet information regarding 'prostate cancer'. Methods: Search term 'prostate cancer' used on Google website (June 2017). Critical analysis was performed on first 100 hits using JAMA benchma...
Article
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Purpose: Various suprapubic catheter insertion simulators have been described to aid in the training of this fundamental skill. The purpose of this review was to evaluate and critically appraise all validated simulators. Methods: The PubMed, Web of Science, Cochrane Library, Scopus, British Medical Journal and the Embase databases were searched...
Article
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Objective We aimed to describe a novel method to attain direction and control of the guidewire at the fingertip. This will serve to allow for ease of guidewire placement during open and combined open and endoscopic surgery. Subjects and methods Over a gloved hand, a ureteric catheter is placed over the index finger, with the distal tip over the di...
Article
Background Intestinal volvulus is a potentially life‐threatening condition that occurs when loops of bowel twist around its supporting mesentery and associated vasculature. Clinicians often rely on various radiological investigations for prompt diagnosis to avoid complications such as bowel infarction. This review assesses the clinical reliability...
Article
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Purpose: The use of mobile phone applications (Apps) has modernised the conventional practice of medicine. The diagnostic ability of the current Apps in prostate specific antigen monitoring, and its diagnostic ability within prostate cancer (PCa) risk calculators have not yet been appraised. We aimed to review, rate and assess the everyday functio...
Technical Report
Full-text available
In this article the authors explored the therapeutic advantages of Botox and the bladder, it includes the opinion and the South African Working Group Consensus for the Intravesical Onabotulinum Toxin A use in Non-Neurogenic Over-Active Bladder.
Article
Objectives: To validate the newly designed ultrasound-guided suprapubic catheter insertion trainer (US-SCIT) model against the real life experience by enrolling participants with prior confidence in the technique of US-guided suprapubic catheter (SPC) insertion. Methods: The US-SCIT was self-constructed from common disposables and equipment foun...
Article
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Introduction: Enuresis (or Nocturnal Enuresis) is defined as discreet episodes of urinary incontinence during sleep in children over 5 years of age in the absence of congenital or acquired neurological disorders. Recommendations: Suggestions and recommendations are made on the various therapeutic options available within a South African context. Th...
Article
Purpose: A positive whirlpool sign (WS) is defined as the presence of a spiral-like pattern when the spermatic cord is assessed during ultrasonography (US), using standard, high-resolution ultrasonography (HRUS) and/or color Doppler sonography (CDS), in the presence of testicular torsion. The objective of this review was to assess the validity and...
Article
Herein we describe a case of a 14-year-old with straddle injury to the base of the penis, sustained during an indoor rock climbing accident, who presented with severe urethrragia. Urethral injury was confirmed with retrograde urethrography. The patient became haemodynamically unstable from persistent blood loss, and corporal arterial injury was dia...
Preprint
Abstract Aims We aimed to compare the outcome of curative treatment options in localised Prostate Cancer [PCA] amongst HIV positive [HIV+] men. Methods A systematic search of the Cochrane Library of Systematic Reviews, the Scopus and PubMed databases was performed (January 1995 to November 2015) using pre-determined search terms. Outcome measures...
Article
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Background: To describe a simple, novel stone extraction technique using the transvaginal route for large renal calculi encountered during laparoscopic/robotic pyelolithotomy. Methods: After a standard approach laparoscopic pyelolithotomy in a patient with a large (42 × 36 mm) pelvic calculus, Anderson-Hynes pyeloplasty was performed. A transver...
Article
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Aims: We aimed to compare the outcome of curative treatment options in localised Prostate Cancer (PCa) amongst HIV positive (HIV+) men. Methods: A systematic search of the Cochrane Library of Systematic Reviews, the Scopus and PubMed databases was performed (January 1995 to November 2015) using pre-determined search terms. Outcome measures for c...
Article
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Background: To perform the first comparative bibliometric analysis of the "Top 100 (T100) cited articles in prostate cancer (PCa)". Materials and methods: A comprehensive search using the Web of Science Database (v 5.21) covering the Web of Science™ Core Collection, BIOSIS Previews, Central Contents Connect, KCI-Korean Journal Database, MEDLINE,...
Article
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Objective: To describe a simple, novel method to achieve ureteric access in the Cohen crossed reimplanted ureter, which will allow retrograde working access via the conventional transurethral method. Materials and methods: Under cystoscopic vision, suprapubic needle puncture was performed. The needle was directed (bevel facing) towards the desir...
Article
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Objectives An incidental and sometimes humorous finding on an Antero-Posterior (AP) pelvis X-ray view is that of the John Thomas Sign (JTS), which is defined as positive, when the penile shadow points towards the side of a hip or pelvic fracture in male patients. Despite previous research reports and studies performed on the JTS sign, uncertainty w...
Article
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Introduction Acute urinary retention is a rare occurrence in women necessitating further investigation. Potential underlying causes may be broadly classified into obstructive, neurological, pharmacological, and psychogenic categories. Case A 36-year-old nulliparous female presented to the Emergency Department with a two-day history of acute urinar...
Article
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Introduction: The ‘encrusted and forgotten double J ureteric stent (JJ) phenomenon has always proven to be a challenging dilemma facing the attending urologist. Observation: Herein, we describe the first reported case of 3 encrusted stents within the same ureter, with an overall KUB score of 14 (K = 5, U = 4, B = 5). Complete (stent and stone) clea...
Article
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Introduction: The use of the Mini PCNL has been gaining momentum since its first description in 2001. The range of indications for this particular procedure may also be expanding. We describe a case of a large renal calculus in a renal collecting system, found in a patient who underwent an Anatrophic Nephro-Lithotomy [ANL] procedure a few years bac...
Article
A three year old female child presented with a history of recurrent urinary tract infections. On general examination polydactyly and a pelvic mass were present. An imperforate hymen was also documented on vaginal inspection. Further enquiry, reveled a positive history of parental consanguinity. An MRI study defined a hydrometrocolpos responsible fo...
Article
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Introduction: Emphysematous pyelonephritis (EPN) is a rare, acute, severe infection of the renal parenchyma and its surrounding tissues and is associated with a significant morbidity and mortality. Underlying diabetes is the most commonly associated risk factor. Observation: We report on the presence of EPN (Grade 3a) in a patient with poorly contr...
Article
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Abstract Background: To describe a novel bladder fixation technique for use during endoscopic vesicostomy button insertion. Methods: After standard cystoscopic visualization of the bladder, a standard 18 G intravenous cannula was inserted into the bladder. A non-absorbable suture thread was placed through this intravenous cannula under cystoscopic...
Poster
Objectives: Stent encrustation and forgotten stents have always proven to be a challenging dilemma facing the Endo-Urologist. We describe the first reported case of 3 encrusted stents within the same [right-sided] renal system. Since the PUJ segment was completely inaccessible via the retrograde approach, to allow outflow from the pelvi-calyceal sy...
Poster
https://doi.org/10.1089/end.2016.29020.abstracts Objectives: The use of the Mini-PCNL has been gaining momentum since its first description in 2001[1]. The range of indications for this particular procedure may also be expanding. We describe a case of a staghorn renal calculus in a renal collecting system, found in a patient who underwent an Anatr...
Poster
https://doi.org/10.1089/end.2016.29020.abstracts Abstract Introduction and Objective: Reto-Urethral Fistulae (RUF) are devastatingly challenging conditions to manage. Aside from the open surgical repairs, various endoscopic options have been utilized for the management of RUF. An attempt was made using a combination of insertion methods for the en...
Article
Full-text available
The scrotal varicocele is a common finding encountered during clinical examination. A porto-systemic shunt presenting with an associated varicocele is exceptionally rarely reported. Herein, we report such a case in an HIV positive man who presented with bilateral varicoceles. This is only the fifth case of such an association in the world literatur...
Article
Full-text available
Background: Mobile phone applications (Apps) have become a vital assistant to medical personnel in today's technologically advanced era. The utility of Apps with case logbook capabilities has not yet been explored. Objective: To assess and evaluate all currently available surgical and procedural case logbook Apps. Method: A comprehensive searc...
Article
Urothelial bladder tumours in childhood are extremely rare, with most cases being low grade, superficial disease of the papillary subtype with favourable outcomes. Urothelial (Clear Cell Variant) Carcinoma of Bladder (UCCVCB) is an exceptional histological finding in both the adult and paediatric population. Herein we describe the first case of UCC...
Article
Introduction: The proliferation of medical-type applications or 'apps' on smartphones is a typical example of the impact technology has had on medical practice. Maintaining a bladder diary is a recommended part of evaluating the effect of interventions for patients suffering from enuresis. Traditional pen-and-paper bladder diaries have poor comple...
Article
Full-text available
This phenomenon is a manifestation of a cascade of metabolic reactions, beginning with the intestinal bacterial interaction with the tryptophan in food. Once deaminated, tryptophan forms indole which is converted to indoxyl potassium sulphate in the liver. Bacterial phosphatases or sulfatases produced within the urinary tract convert indoxyl potass...
Article
Background The Anderson–Hynes pyeloplasty (AHP) is a surgical technique used in the management of pelvi-ureteric junction obstruction. This operation has been performed for over six decades and has etched its name in the annals of urology. But are we all really referring to the same procedure?MethodsA systematic review of the Ovid MEDLINE(R) and Ov...
Article
Congenital anterior urethral diverticulum is a rare cause of urethral obstruction in boys. We report on the antenatal diagnosis of this rare phenomenon, making this the sixth prenatally diagnosed case in the English literature (to the best of our knowledge). Our initial prenatal assessment, postnatal endoscopic management, along with the eventual c...
Poster
Introduction and Objectives: The Anderson- Hynes Pyeloplasty (AHP) is commonly performed in the management of pelvi-ureteric junction (PUJ) obstruction. This procedure was initially described using an L-shaped incision on the dilated renal pelvis. This resulted in an inferior pelvic flap which created a funnelled, dependent anastomosis across the r...
Article
The thoracic cavity is the rarest location of all the renal ectopic sites. We report a rare case of an acquired thoracic kidney associated with a previous congenital diaphragmatic hernia in a child with nephrotic syndrome. Although only 13 cases of the thoracic kidney in the pediatric age group have been described in worldwide reports during the pa...