Publications by authors named "Lukman Abdur-Rahman"

Background: Wilms' tumor (WT) is the most common paediatric renal tumor and is one of the most treatment-responsive solid tumours. Survival from Wilms tumour (WT) in sub-Saharan Africa remains dismal as a result of late presentation, treatment abandonment and infrastructure deficit. The purpose of this study was to analyze the clinical outcome of children with Wilms tumour managed in a Nigerian referral centre over a 15-year period.

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Introduction: There is a paucity of studies in the West African sub-region which have compared both the intraoperative and postoperative analgesic effects of caudal block and inguinal field block using plain bupivacaine in groin surgeries in children. The study aimed to compare the duration of analgesia and complications of caudal block and inguinal field block in pediatric groin surgeries.

Patients And Methods: This was a prospective, double-blind randomized study conducted at a tertiary health institution in North Central, Nigeria, over a period of 6 months.

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Introduction: The diagnosis of acute appendicitis (AA) is usually clear cut but sometimes there is atypical presentation of this condition in children. There is a need to determine and compare the diagnostic accuracy of these three pre-operative diagnostic modalities: Paediatric Appendicitis Score (PAS), abdominal ultrasonographic scan (USS) findings, and serum C-reactive proteins (CRPs). The objective of this study was to determine the diagnostic accuracy of the three diagnostic modalities and to compare each diagnostic test result with the histopathological results of the appendix specimens.

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Background: Posterior urethral valve (PUV) is a significant cause of morbidity and mortality among male children resulting in renal failure in 25%-30% before adolescence irrespective of initial treatment. This study aimed at evaluating the early outcomes of children managed for PUV.

Materials And Methods: This was a prospective study of all children who were treated for PUV between 2012 and 2016 at a single referral institution.

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Article Synopsis
  • Orofacial clefts, including cleft palate only (CPO) and cleft lip with or without palate (CL/P), are prevalent developmental disorders that create various clinical and psychological challenges.
  • In a study involving around 17 million genetic markers among sub-Saharan African populations, researchers identified new genetic loci associated with CPO on chromosomes 2 and 19, suggesting potential biological mechanisms.
  • The study confirmed the significance of previously known loci such as 8q24 for CL/P, along with the replication of other established genes like PAX7 and VAX1, contributing to our understanding of these conditions.
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Study Objective: To describe the presentation, diagnosis, management, and short-term outcome of children with disorders of sexual development (DSD) in the context of multidisciplinary team care.

Design: Prospective descriptive study.

Setting: University Teaching Hospital.

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Background: Orofacial clefts are the most common malformations of the head and neck region. Genetic and environmental factors have been implicated in the etiology of these traits.

Methods: We recently conducted genotyping of individuals from the African population using the multiethnic genotyping array (MEGA) to identify common genetic variation associated with nonsyndromic orofacial clefts.

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Article Synopsis
  • Cleft lip and/or cleft palate (CL/P) are facial birth defects influenced by genetic and environmental factors, with significant genetic associations identified mostly in noncoding regions of the genome.
  • The study focused on identifying coding variants in the GREM1 gene by analyzing DNA from 397 individuals with CL/P from sub-Saharan Africa and found two novel variants not present in control groups.
  • Results showed one variant associated with a soft palate cleft and another in a case with a bilateral cleft lip, suggesting regulatory elements, rather than coding variants, may drive the connection between GREM1 and CL/P.
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Objectives: Trauma is a significant cause of morbidity and mortality worldwide. The literature on paediatric trauma epidemiology in low- and middle-income countries (LMICs) is limited. This study aims to gather epidemiological data on paediatric trauma.

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This article is an outcome of the African Craniofacial Anomalies Research Network (AfriCRAN) Human Hereditary and Health (H3A) grant planning meeting in 2012 in Lagos, Nigeria. It describes the strengths of a multidisciplinary team approach to solving complex genetic traits in the craniofacial region. It also highlights the different components and argues for the composition of similar teams to fast track the discovery of disease genes, diagnostic tools, improved clinical treatment and ultimately prevention of diseases.

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Background: Medical educators have always been desirous of the best methods for formative and summative evaluation of trainees. The Objective Structured Clinical Examination (OSCE) is an approach for student assessment in which aspects of clinical competence are evaluated in a comprehensive, consistent, and structured manner with close attention to the objectivity of the process. Though popular in most medical schools globally, its use in Nigeria medical schools appears limited.

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Background: This survey compared surgical management of Hirschsprung's disease (HD) and anorectal malformations (ARM) in high and low resource settings.

Materials And Methods: An online survey was sent to 208 members of the Canadian Association of Paediatric Surgeons (CAPS) and the Association of Paediatric Surgeons of Nigeria (APSON).

Results: The response rate was 76.

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Introduction: Road traffic injury (RTI) has assumed major public health importance world-wide and the burden is heavier on the health-care infrastructure of countries in Sub-Saharan Africa. In Nigeria, RTI is the leading cause of trauma related morbidity and mortality. While there are some published epidemiological reports on RTI in the region, studies on the mechanism of causation of road traffic crashes (RTC) are not available.

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Background: Adhesive small bowel obstruction (ASBO) is a feared complication after abdominal operations in both children and adults. The optimal management of ASBO in the pediatric population is debated. The aim of the present study was to examine the safety and effectiveness of non-operative management in ASBO.

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Background: Complicated inguinal hernias pose a threat to the life of the child as well as increase the morbidity associated with management of an otherwise straightforward condition. The aim of this study was to determine the presentation, treatment and management outcome of complicated inguinal hernias in children.

Materials And Methods: A retrospective study of all children 15 years and less managed for complicated inguinal hernia between 2002 and 2010.

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Congenital prepubic sinus is a tract originating in the skin overlying the base of the penis. Its embryologic basis is still debated. We present a 9-month-old boy with a recurrent muco-purulent discharge from a tiny opening in the midline prepubic area on the base of the penis.

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Neurofibromatosis is a common inherited autosomal dominant disease, but genitourinary neurofibroma is rare. The unpredictable nature of neurofibromas has a serious impact on the quality of life of patients, and their management is challenging for clinicians. We present a 9-year-old girl with plexiform neurofibroma of genitourinary system associated with pulmonary hypertension, masquerading as sacrococcygeal teratoma.

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Background: To evaluate 209 consecutive children who underwent laparoscopic hernia repair over a 7-year period. Technical details and clinical results are reported.

Materials And Methods: A total of 284 open internal rings were closed laparoscopically in 209 children (142 boys and 67 girls, aged 30 days to 15 years, mean 44 months).

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Childhood trauma is one of the major health problems in the world. Although pediatric trauma is a global phenomenon in low- and middle-income countries, sub-Saharan countries are disproportionally affected. We reviewed the available literature relevant to pediatric trauma in Africa using the MEDLINE database, local libraries, and personal contacts.

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Purpose: This study was designed to compare the safety and effectiveness of routine drainage and nondrainage after emergency laparotomy for typhoid intestinal perforation (TIP).

Methods: A retrospective review of children 15 years or younger who underwent surgery for TIP from 2002 to 2009 was performed. All children underwent resuscitation and laparotomy and were given antibiotics but were then divided into 2 groups: group I (n = 81), postoperative peritoneal drainage, and group II, (n = 66) no drainage.

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Background: Abdominal wall defect presents a great challenge when it is large, ruptured, or associated with other anomalies.

Objective: To review the challenges and outcome of management of anterior abdominal wall defects (AAWD).

Materials And Methods: A retrospective review of omphalocele and gastroschisis managed over 8 years at our institution.

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Background: Posterior urethral valve (PUV) is a significant cause of morbidity, mortality and ongoing renal damage in children. It accounts for end-stage renal disease in a proportion of children. This article aims at highlighting the current trend in the management of boys with posterior urethral valve.

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Purpose: Typhoid intestinal perforation (TIP) exerts a great toll both on the patients and the surgeons in resource poor countries. Factors that predict mortality in patients with TIP remain controversial. The study aims to determine factors that predict mortality in a Nigerian tertiary facility and to offer strategies for improvement.

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