Intracranial abscesses in children at Ile-Ife, Nigeria: a case series and review of literature.

PURPOSE: Central nervous system (CNS) infections are significant causes of morbidities and mortalities in children with some being prone to the development of abscesses which can either be within the brain parenchyma or located in extracranial structures. We aimed to describe the clinical profile and outcome of children with cranial abscesses at the Obafemi Awolowo University Teaching Hospital Complex (OAUTHC). METHODS: Consecutive cases presenting at the Children Emergency Ward of OAUTHC Ile-Ife were recruited. The pattern of presentation, predisposing factors and outcome of these children were studied. RESULTS: Among the 641 children admitted within a 6-month period, six were diagnosed with cranial abscess giving a hospital prevalence of 0.9%. The mean duration of symptom prior to presentation was 12.7 ± 13.4 days. Five (83.3%) of the patients had intracranial abscesses which were multiple in two (33.3%) children. One patient had Pott's puffy tumour following frontal sinusitis. Surgical management was done for two (33.3%), and this was by craniotomy and evacuation. Two of the patients died with a case fatality rate of 33.3%. CONCLUSION: Though uncommon, cranial abscesses remain life threatening in children especially in resource-poor settings. Early presentation and early treatment of local infections will improve outcome.

Prevalence, risk factors, and outcome of hospitalization of neonatal hyperglycemia at a Nigerian health facility.

BACKGROUND: Neonatal hyperglycemia (NNH) like hypoglycemia is a dangerous metabolic disorder often associated with adverse consequences, if undetected and untreated. This study was set out to determine the prevalence, risk factors, and outcomes of babies with the point of admission hyperglycaemia at the Wesley Guild Hospital (WGH), Ilesa. METHODS: The study was descriptive and cross-sectional, involving 300 consecutively recruited neonates admitted into the special care baby unit (SCBU) of the hospital. All subjects had blood glucose done at the point of admission using Accu-Chek Active® glucometer (Roche Diagnostics GmbH, Germany). Hyperglycemia was defined as blood glucose ≥7.0 mmol/L. Factors associated with NNH were determined using univariate and multivariate analyses. RESULTS: Of the 300 subjects (Male: Female 1.5:1), there were 74 (24.7%) preterms, 35 (11.7%) small-for-gestational age and 85 (28.3%) low-birth-weight babies. Eighteen (6.0%) babies had hyperglycemia. Parental low socioeconomic class, maternal lack of antenatal care (ANC), vaginal delivery, grand multiparity, outborn status, respiratory distress, probable sepsis, and neonatal anemia at presentation were associated with NNH (P < 0.05). Respiratory distress (OR = 3.800, 95% CI = 1.122-12.873, P = 0.032), and probable sepsis (OR = 4.090, 95% CI = 1.206-13.872, P = 0.024) were independent predictors of hyperglycemia. Hyperglycemia was significantly associated with mortality. (38.9% vs. 11.0%; P = 0.001). CONCLUSION: Neonatal hyperglycemia was detected in 6.0% of neonatal admission at the WGH, Ilesa and it was associated with increased mortality. Hyperglycemia should be suspected and promptly managed at the point of admission of ill newborns particularly those with respiratory distress and signs of sepsis.

Growth Characteristics of Contemporary School-age Nigerian Children.

OBJECTIVE: There are no locally derived growth charts in Nigeria, and so, health workers rely on international reference charts. We therefore compared the growth characteristics of 4350 school-age Nigerian children (SNC) (2243 girls, 2107 boys) (4-16 years) from three ethnic groups (Hausa, Igbo and Yoruba) to both the UK (UK 1990) and US (2000 CDC) reference data. RESULTS: Height of SNC was similar to international references at the start of school age and then started to decline. The decline appeared to peak at 15 years for boys and 13 years for girls. At all ages, sex, ethnicity and affluence, SNC were lighter than international references. There were significant differences in the prevalence of stunting, underweight and obesity among the three ethnic groups (p < 0.05). CONCLUSION: There is a risk of over-diagnosing short stature and underweight if health workers continue to use growth charts derived from other geographical areas.

Normative Thyroid-Stimulating Hormone Values for Healthy Nigerian Newborns.

BACKGROUND: Congenital hypothyroidism is a common congenital endocrine disorder prevailing all over the world. No nationwide screening exists for any sub-Saharan country. We present normative cord and capillary thyroid-stimulating hormone (TSH) values for healthy Nigerian newborns. SUBJECTS AND METHODS: A cross-sectional study was carried out in 6 university hospitals in Nigeria between January 1 and December 31, 2013. Cord and heel blood placed on 4 concentric circles on a Whartman filter paper were analysed for TSH within 1 week of collection using AutoDelfia 1235 immunoassay (Perkin Elmer Wallace, Boston, Mass., USA) at Charité - Universitätsmedizin Berlin, Berlin, Germany. The mean TSH levels of the newborns were determined, considering their sex, birthweight, socioeconomic status, and birth city. The association between the mean TSH level and other parameters was determined by analysis of variance. RESULTS: A total of 2,014 subjects were recruited during the study period. The mean TSH value for the subjects was 1.86 µIU/ml, and 98.1% of the newborns were within the 2.5th and 97.5th percentiles (range: 0.09-7.90 µIU/ml) of the TSH levels. We collected 247 cord and 1,767 heel samples, respectively, and the range was slightly higher in samples from cord blood. CONCLUSION: The study highlights the normal reference values for capillary/cord TSH levels in term Nigerian newborns. TSH was higher in one region, attributable to earlier sampling, but was not influenced by gender, socioeconomic status, or birthweight.

Serogroup distribution of Shigella in Ile-Ife, southwest Nigeria.

BACKGROUND: Shigellosis is endemic throughout the world and Shigella spp. is among the most common pathogens responsible for bacterial diarrhoeal diseases. Death attributed to shigellosis is common in developing countries, where affected populations are immunologically compromised due to poor nutrition and background infections. AIM: To investigate the serogroup distribution of Shigella spp. recovered from clinically diagnosed cases of gastroenteritis and acute diarrhoea among children (0-5 years) in Ile-Ife, southwest Nigeria between September 2003 and September 2006. METHODS: The isolates were identified and characterized biochemically and serologically. RESULTS: Out of 102 Shigella isolates identified, 45 (44%) were S. flexneri, 26 (25%) were S. dysenteriae, 19 (19%) were S. boydii, 6 (6%) were S. sonnei and 6 (6%) were untypable strains. CONCLUSIONS: We conclude that Shigella serogroups can be considered an important aetiological agent of acute diarrhoea and mortality among children in Ile-Ife, southwest Nigeria.

Invasive bacteria isolates from children with severe infections in a Nigerian hospital.

BACKGROUND: Little information is available about the aetiology and epidemiology of serious bacterial infections in Nigeria. This study determined bacterial isolates from blood and cerebrospinal fluid (CSF) of children presenting in the emergency room of a teaching hospital in Nigeria. METHOD: From October 2005 to December 2006, children aged two to 60 months presenting with signs of acute systemic infections were recruited. Blood culture and CSF specimens were collected and processed using standard microbiological protocols. Data were analysed using SPSS version 11 software. RESULTS: Two hundred and two blood and 69 CSF samples were cultured. Fifty-five (27%) of the blood cultures yielded Gram-negative bacilli and Gram-positive cocci in almost equal proportions. The most common isolates from the blood cultures were Staphylococcus aureus, 26 (12.9%) and atypical coliforms, 13 (6.5%). Others are Klebsiella spp, 3 (1.5%); Klebsiella pneumonia, 2 (1.0%); Escherichia coli, 3 (1.5%); Enterobacter agglomerans, 2 (1.1%); Proteus mirabilis, 2(1%); Pseudomonas spp, 2 (1.0%); Haemophilus influenza, 1 (1.0%); and Coagulase-negative Staphylococcus, 1 (1.0%). Fourteen out of 67 (20.9%) of the CSF samples yielded bacterial isolates: Streptococcus pneumonia, 3 (4.5%); Haemophilus influenza, 8 (11.9%); Hemophilus spp, 1 (1.5%); E. Coli, 1 (1.5%); and atypical coliform, 1 (1.5%). Gram-negative coliform isolates were predominantly resistant to penicillin based antibiotics and co-trimoxazole but sensitive to third-generation cephalosporins and quinolones. A high percentage of S. aureus isolates were multi-drug resistant. CONCLUSIONS: Bacterial infections contribute to the significant morbidity among children in our environment. S. aureus was more frequently isolated in sepsis while H. influenzae appears to play a major role in meningitis. Appropriate use of antibiotics is needed to manage affected children effectively. We also recommend improved vaccine coverage of children under the age of five years.

Orofacial injuries associated with prehospital management of febrile convulsion in Nigerian children.

The aim of this prospective study was to determine in a population of pediatric patients with febrile convulsions the prevalence and pattern of orofacial and dental injuries caused by traditional remedies used in a suburban Nigerian community. Over the study period of 28 months, 75 cases of febrile convulsion presented to the Children's Emergency unit of our hospital. Of these, 27 children (36%) sustained orofacial injuries caused by forceful insertion of a spoon into the mouth (96.3%) or a bite (3.7%) during convulsive episodes. The ages of the patients ranged from 12 to 84 months with a mean 39.8 +/- 18.3 months. There were 15 males and 11 females with a male to female ratio of 1.4:1. The orofacial and dental injuries sustained from prehospital treatment at home were lacerations and bruising of soft tissues including lips, tongue, mucosa and commissures and tooth subluxation, displacement or avulsion. Other injuries sustained outside the mouth include second-degree burns to the feet, a chin laceration and facial bruises resulting from a fall. Many oral injuries were overlooked by pediatricians. Prompt recognition and appropriate management of febrile convulsion would be of great benefit to the pediatric patients.

Reversible renal failure in hypertensive idiopathic nephrotics treated with captopril.

Angiotensin converting enzyme inhibitor (ACEI)- induced acute renal failure (ARF) is not as commonly reported in children as in adults. We report two cases of idiopathic nephrotic syndrome that developed ARF following captopril (an ACEI) treatment for prednisolone-induced hypertension. The two cases further alert us to the potential risk of ACEI-induced ARF in any nephrotic child on ACEI treatment. Low or high dose ACEIs should be given with extreme caution in active nephrotics in view of their relative hypovolemic state that may provoke ARF. The nephrotic children, who must be treated with ACEIs with or without diuretics, should be closely monitored for the development of ARF during the use of ACEIs.

Acute renal failure in African children with Burkitt's lymphoma: a comparison of two treatment regimens.

BACKGROUND: The outcome for patients presenting with acute renal failure and Burkitt lymphoma (BLARF) without dialysis is poor. This was a retrospective non-randomized comparative study designed to determine the outcome of two different treatment protocols. METHODS: One group of patients (TPA) received oral allopurinol, intravenous (IV) cyclophosphamide, vincristine, methotrexate, furosemide, 8.4% sodium bicarbonate, and intrathecal (IT) methotrexate; the other (TPB) alternate day IV infusion of low dose cyclosphosphamide (125 mg/m(2) x 4 doses), IT methotrexate (Days 1 and 5) and aggressive pre-emptive anti-tumor lysis syndrome therapy including oral allopurinol and calcium lactate, IV calcium gluconate, salbutamol, insulin and infusions of furosemide, sodium bicarbonate and glucose. RESULTS: Nine of 16 received TPA, 7 received TPB. Post chemotherapy anemia was more severe with TPA (P < 0.05). TPB patients received significantly more chemotherapy than those in TPA (P = 0.04). All 16 had tumor lysis syndrome (TLS). Six of nine patients with TPA died from this (three from other causes), two deaths in TPB were due to causes other than tumor lysis. Other evaluated outcome indices were similar in both groups. CONCLUSION: Slow IV infusion of low dose cyclophosphamide given on alternate days in addition to pre-emptive anti-TLS measures (TPB) were associated with better outcome in BLARF patients compared to a high dose multiple chemotherapy regimen (TPA).