Pediatrics

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    The use of an improvised Nasogastric Tube as a Peritoneal Dialysis Catheter and challenges of adaptation-A case report
    (African Paediatric Nephrology Association, 2019) Ademola, A. D.; Asinobi, A. O.; Akuse, R. M.
    Background: Paediatric dialysis for acute kidney injury (AKI) in developing countries may be a challenge because of limited access to standard gadgets. Adapted gadgets such as nasogastric tubes have been used to provide peritoneal dialysis (PD)in such settings. The nasogastric tube is usually inserted by the trocar or surgical technique which is cumbersome. We describe passage of the nasogastric tube for PD at the bedside by a technique that is considered easier than the trocar or surgical method. Case report and Treatment: A two- and-a-half-year-old girl presented with oliguric AKI secondary to malaria and intravascular haemolysis with suspected uraemic encephalopathy. Her serum creatinine on admission was 9.4mg/dl. A nasogastric tube was adapted as PD catheter, and was inserted by the modified Seldinger technique on post-admission day 1. Results: She received 39 cycles of PD over 5 days. Complications of PD included catheter outflow obstruction on post admission day 2 on account of which the catheter was replaced. She also developed Klebsiella pneumoniae peritonitis and on account of which the procedure was discontinued on post admission day 6. She regained normal urine output on post admission day 7. She was managed with iv meropenem based on the antibiotic sensitivity pattern with resolution of peritonitis. She showed significant improvement and her serum creatinine on post admission day 15 was 0.5 mg/dl.She was discharged home on post admission day 18. Conclusion: Nasogastric tube, adapted as PD catheter and inserted by modified Seldinger technique may be life-saving in patients with AKI in developing countries.
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    Paediatric peritoneal dialysis in a developing country: practice, challenges and opportunities
    (African Paediatric Nephrology Association, 2019) Asinobi, A. O.; Ademola, A. D.; Akuse, R. M.
    Background: The practice and challenges of peritoneal dialysis (PD) in a developing country may be uniquely different from what obtains in developed countries. Method: A review of the practice and challenges of PD in Nigeria as a case study and documentation of opportunities for improvement Review: There has been renewed interest in the provision of PD to children in acute kidney injury in Nigeria and this has led to adaptations such as use of nasogastric tubes as PD catheters and use of constituted PD fluid. The use of adaptations is lifesaving but complication rates may be higher than with the use of standard gadgets. Other challenges include limited availability and high cost of PD catheters and PD fluid. There are also challenges with the availability of expertise for the insertion of PD catheters and the PD procedure. Opportunities to advance paediatric PD include sustained efforts to provide PD with the use of adaptations, collection of data on outcomes of PD, advocacy for more support from government, non- governmental organisations and industry in the forms of insurance coverage, access to consumables and/or training in paediatric PD. Conclusion: Sustained provision of PD with adaptations, documentation of outcomes, and advocacy may lead to improvement in paediatric PD services.
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    Acute kidney injury among paediatric emergency room admissions in a tertiary hospital in South West Nigeria: a cohort study
    (Oxford University Press, 2019) Ademola, A. D.; Asinobi, A. O.; Ekpe-Adewuyi, E.; Ayede, A. I.; Ajayi, S. O.; Raji, Y. R.; Salako, B. L.; James, M.; Zappitelli, M.; Samuel, S. M.
    Background. Epidemiological data on paediatric acute kidney injury (AKI) in sub-Saharan Africa are limited and largely retrospective. We performed a prospective study of AKI among patients admitted through the emergency room. Methods. Children admitted to the post-neonatal emergency room of the University College Hospital, Ibadan, Nigeria between February 2016 and January 2017 were studied. AKI was defined by Kidney Disease: Improving Global Outcomes serum creatinine criteria. AKI ascertainment relied on serum creatinine measurements carried out in routine care by post admission Day 1. We compared in-hospital mortality by post-admission Day 7 for patients with and without AKI (no-AKI). Results. Of the 1344 children admitted to the emergency room, 331 were included in the study. AKI occurred in 112 patients (33.8%) with a median age of 3.1 years [interquartile range (IQR) 0.9–9.4] and was Stage 3 in 50.5% of the cases. The no-AKI group had a median age of 1.8 (IQR 0.7–5.8) years. The underlying diagnoses in patients with AKI were sepsis (33.0%), malaria (12.5%) and primary renal disorders (13.4%). Twenty-four of the patients with AKI underwent dialysis: haemodialysis in 20 and peritoneal dialysis in 4. By Day 7 of admission, 7 of 98 (7.1%) patients in the AKI group had died compared with 5 of 175 (2.9%) patients in the no-AKI group [odds ratio 2.6 (95% confidence interval 0.8–8.5)]. Outcome data were not available for 58 (17.5%) patients. Conclusions. AKI is common among paediatric emergency room admissions in a tertiary care hospital in sub-Saharan Africa. It is associated with high mortality risk that may be worse in settings without dialysis.
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    Kidney disease in hepatitis B surface antigen-positive children: experience from a centre in south-west Nigeria and a review of the Nigerian literature
    (Taylor and Francis, 2017) Asinobi, A. O.; Ademola, A. D.; Okolo, C. A.; Adepoju, A. A.; Samuel, S. M.; Hoy, W. E.
    Background: Kidney disease is an important extra-hepatic manifestation of hepatitis B virus (HBV) infection. However, there is paucity of recent literature on kidney disease in children and adolescents with HBV infection from several parts of sub-Saharan Africa including Nigeria. Objective: To review the pattern of kidney disease in hepatitis B surface antigen (HBsAg)-positive children and adolescents seen at a tertiary hospital in south-west Nigeria. Methods: A retrospective study was undertaken of HBsAg-seropositive children with kidney disease managed at University College Hospital, Ibadan, from January 2004 to December 2015. Patients were identified from the paediatric nephrology unit admissions and the renal histology registers. Results: 24 children and adolescents were studied, 17 of whom were male (70.8%), and the median age was 10.0 years (range 3–15). Ten (41.7%) had nephrotic syndrome, five (20.8%) had non-nephrotic glomerulonephritis, five (20.8%) were in end-stage renal disease (ESRD), including a patient with posterior urethral valves, and four had acute kidney injury secondary to acute tubular necrosis. Renal histology was available for 10 patients: nine had nephrotic syndrome associated with minimal change disease in six, focal segmental glomerulosclerosis in two and one had membanoproliferative glomerulonephritis. The patient with non-nephrotic glomerulonephritis had diffuse global sclerosis. Conclusion: The pattern of kidney disease in HBV-positive children demonstrated a predominance of nephrotic syndrome, followed by non-nephrotic glomerulonephritis, ESRD and acute kidney injury. Better diagnostic facilities and treatment are required. Prevention of HBV infection by universal childhood immunisation is the ultimate goal.
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    Plasma homocysteine and B vitamins levels in Nigerian children with nephrotic syndrome
    (African Field Epidemiology Network (AFENET), 2014) Orimadegun, B. E.; Orimadegun, A. E.; Ademola, A. D.; Agbedana, E. O.
    Introduction: Available data on plasma homocysteine level in patients with nephrotic syndrome (NS) are controversial with increased, decreased and unchanged values reported. Therefore, plasma homocysteine and serum B vitamins in Nigerian children with NS were assessed in this study Methods: Fasting blood samples were analysed for plasma homocysteine, serum folate and B vitamins in 42 children with NS and 42 age and sex-matched healthy controls in this case control study. Data were compared between NS and control using t test and Chi square. Relationships were tested with regression analysis with p set at 0.05. Results: Prevalence of hyperhomocysteinaemia, low folate and cyanocobalamin in NS was 57.1%, 14.3% and 9.5% respectively. The mean homocysteine level was significantly higher in NS than control (11.3±2.6μmol/L versus 5.5±2.3μmol/L). Also, NS had lower folate and cyanocobalamin than control: 9.1±3.9ng/mL versus 11.2±3.1ng/dL and 268.5±95.7pg/mL versus 316±117.2pg/mL respectively. Weak but significant correlation between homocysteine and serum albumin (r = 0.347), folate (r = -0.607) and vitamin B12 (r = -0.185) were found in the NS group. Significant relationship was also found between homocysteine and vitamin B12 (ß = -0.64, 95% CI = -1.20, -0.08) after controlling for folate and vitamin B6 levels. Conclusion: Clinically important hyperhomocysteinaemia and low B vitamins occur in Nigerian children with nephrotic syndrome. This data suggest that potential usefulness of folate and vitamin B supplementation for reducing high homocysteine levels in nephrotic syndrome need to be further investigated