Browsing by Author "Ajayi, S. O."

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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.
Ameliorating urban traffic congestion for sustainable transportation
(IOP Publishing, 2020) Busari, A. A.; Loto, R. T.; Ajayi, S. O.; Odunlami, O.; Akintayo, F. O.; Oyesomi, K.; Olawuyi, O.
Population, ownership of vehicles and economic growth are increasing at a geometric rate. Invariably, this will lead to an increase in traffic volume and the demand for limited road infrastructures. These has generated a lot of constraint on the few available road infrastructures in most developed and developing nations of the world. One of the consequences of this, is traffic congestion. This arises when the road system approaches vehicle capacity. Although governments and policy makers may never be able to eliminate road congestion, there are several ways cities and states can move to curb it. Hence, this review of literature assessed the myriad effect of traffic congestion, with focus on the economic and environmental impact. Additionally, long- and short-term measures to reduce the menace in 2030 were evaluated. This was done by assessing the relevant literature on the topic. The outcome of the review revealed that increase in income and living standard favours the ownership of automobiles thereby increasing traffic congestion. Households that reside in areas with compact, mixed land use own fewer vehicles, make fewer vehicle trips, therefore mixed land use should be encouraged in urban development. Additionally, level of Service (LOS) is another factor that affects traffic congestion and traffic crashes. The outcome of this review will aid the government and policy makers on the appropriate tool to adopt and the draw backs in a bid to reduce this menace now and in the foreseeable future
Predictors and outcome of acute kidney injury after non-cardiac paediatric surgery
(Springer Science+Business Media, 2019) Lawal, T. A.; Raji, Y. R.; Ajayi, S. O.; Ademola, A. D.; Ademola, A. F.; Ayandipo, O. O.; Adigun, T.; Ogundoyin, O. O.; Olulana, D. I.; Asinobi, A. O.; Salako, B. L.
Background: It is necessary to define the problem of acute kidney injury (AKI) after non-cardiac surgery in order to design interventions to prevent AKI. The study aimed to evaluate the occurrence, determinants and outcome of AKI among children undergoing general (non-cardiac) surgery. Methods: This was a prospective cohort study of patients aged ≤ 15 years who had general surgery over 18 months period at a tertiary hospital in Nigeria. AKI was evaluated at 6 and 24 h and within 7 days of surgery. Data were analysed using SPSS version 21. Results: A total of 93 patients were studied with age ranging from 3 days to 15 years (median = 4 years). AKI occurred within 24 h of surgery in 32 (34.4%) and cumulatively over 7 days in 33 (35.5%). Patients who had sepsis were nearly four times as likely as others to develop perioperative AKI (OR = 3.52, 95% CI 1.21, 10.20, p = 0.021). Crude mortality rate was 12.1% (4/33); no mortality was recorded among those without AKI, p = 0.014. Conclusion: Perioperative AKI occurred in 35.5% of children who underwent general (non-cardiac) surgery. Patients who had sepsis were four times more likely than others to develop AKI. Mortality was documented only in patients who had AKI.