FACULTY OF CLINICAL SCIENCES
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Item Pediatric intussusception in Ibadan, South Western Nigeria(Wolters Kluwer - Medknow, 2008) Ogundoyin, O. O.; Afolabi, A. O.; Lawal, T. A.Background: Intussusception is the most common cause of acquired intestinal obstruction in children presenting commonly as a surgical emergency between the fifth and ninth months of life. Method: A retrospective review of cases seen over eight years in our hospital was done to study the pattern of presentation and factors influencing management in our environment. Results: Thirty four patients were managed with age ranging from one week to six years. Thirty patients (88.2%) were infants. Majority were boys (58.8%) and the most common symptoms were vomiting (94.1%), passage of red currant jelly stool (91.2%), excessive crying (58.8%) and fever (52.9%). All the patients had exploratory laparotomy done with half of them undergoing simple reduction of the intussusception. There were three mortalities, two of which presented very late after two weeks of onset of illness with septicemia. There was no recurrence. Conclusion: Late presentation is a major cause of morbidity and mortality in developing countries. Early presentation, aggressive resuscitation and non- operative treatment will help in reducing the high mortality associated with late presentation.Item Pattern and outcome of childhood intestinal obstruction at a Tertiary Hospital in Nigeria(Faculty of Medicine, Makerere University, 2009) Ogundoyin, O. O.; Afolabi, A. O.; Ogunlana, D. I.; Lawal, T. A.; Yifieyeh, A. C.Background: Intestinal obstruction is a common cause of pediatric surgical emergency with a high morbidity and mortality in Africa. Methods: A retrospective review of cases managed from January 1996 to December 2005 at a teaching hospital in Southwestern, Nigeria was done to examine the pattern of causes of intestinal obstruction in children and the management outcome. Results: One hundred and thirty cases were seen over the study period with an age range of 2 hours to 14 years. Majority (61.24%) were infants, while 18.46% were neonates. Fifty-five cases (42.31%) were due to congenital causes while the rest were of acquired causes. The major causes of intestinal obstruction in the study were intussusception (29.23%), anorectal malformations (22.31%), obstructed inguinoscrotal hernia (16.92%) and Hirschsprungís disease (13.85%). Surgical site infection and sepsis were the commonest complications observed with an overall complication rate of 60.78%. The mortality rate was 3.08% and most (75%) occurred in neonates. Conclusion: While mortality as an outcome of management is low, the morbidity was very high in this study.Item Awareness and knowledge of birth defects among antenatal clinic attendees at thè University College Hospital, Ibadan, South-West, Nigeria(West African College of Physicians and the West African College of Surgeons, 2021) Akinmoladun, J. A.; Uchendu, O. C.; Lawal, T. A.; Oluwasola, T. A. O.BACKGROUND: The burden of birth defects is disproportionately higher in developing countries. OBJECTIVES: This study assessed the knowledge of risk factors and prevention of birth defects among ante-natal clinic attendees at the University College Hospital, Ibadan, Oyo State, Nigeria. METHODS: This was a cross-sectional study among 415 mothers who presented at the antenatal clinic. A semi-structured questionnaire was used to obtain information on respondents' socio-demographic profile, pregnancy, birth history, knowledge on prevention and risk factors for birth defects. Descriptive statistics was used to present results, independent t-test and ANOVA were used to determine the factors associated with mean of overall knowledge of birth defects. Test statistics was done at a 5% level of statistical significance. RESULTS: The mean age of the women was 31.7 ± 4.8 years. Overall, 93 (22.4%) of the women were above 35 years, 118 (29.9%) were skilled workers and 343 (84,9%) had tertiary education. More than half (219, 52.8%) of the respondents had good knowledge of birth defects (56.4% bad good knowledge of prevention and 66.0% had good knowledge of risk factors). Antenatal clinic attendees in their first trimester had higher. mean overall knowledge score (8.3 4.9) compared to those in second (7.9 4.5) and third (7.9 4.9) trimesters but this was not statistically significant (p=0.873). However, respondents in skilled semi-skilled occupation (8.62) had a significantly higher mean knowledge score compared with those in unskilled occupation/ unemployed (7.33) (p=0,005), CONCLUSION: Knowledge of birth defects is relatively low among women. To reduce the occurrence and severity of birth defects, there is a need to educate mothers on the knowledge, prevention and importance of screening for birth defects.Item 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.Item Spectrum of childhood obstructive uropathy in Ibadan, Nigeria(MedPrime, 2019) Asinobi, A. O.; Ademola, A. D.; Lawal, T. A.; Takure, A. O.; Shittu, O. B.Background and Objectives: Obstructive uropathy (OU) is an important cause of morbidity and mortality in childhood with congenital OU being among the top three aetiologies of paediatric end-stage kidney disease (ESKD). With paucity of data on the impact of childhood OU in a setting of largely unaffordable facilities for ESKD management, further studies are needed. The aim of the study was to appraise the aetiological pattern and short- term outcome of childhood OU. Methods: A descriptive cross-sectional study was conducted on consecutively presenting children aged 15 years and below with features of urinary tract obstruction at the University College Hospital, Ibadan between January 2009 and December 2012. Their biodata, clinical presentation, aetiology, treatment, and short- term outcome were analysed in addition to the prevalence of OU in relation to other childhood renal disorders. Results: Eighty-six children aged one day to 15 years with a median age of 2.5 years and a modal age of 6 years were recruited over a 4-year period. The male to female ratio was 4.7:1. Congenital OU occurred in 81% of cases, with the lower urinary tract more frequently affected (78%). Posterior urethral valves (PUV) was the most common cause of OU (59.3%) followed by pelvi-ureteric junction (PUJ) obstruction in 17.4%; 73.3% of all PUJ obstructions occurred in females. Only 3.5% of cases were detected prenatally. Of all incident admissions into the Paediatric Nephrology Unit, OU accounted for 20.7%. An in-hospital mortality rate of 5% occurred. Conclusion: Childhood OU is a significant cause of renal disease in Ibadan accounting for one-fifth of new paediatric renal admissions. It was majorly congenital with a male preponderance and PUV was the most common cause. Contrary to expectations, PUJ obstruction occurred more often in females. Prenatal diagnosis rate was very low.Item Understanding the performance of a pan-African intervention to reduce postoperative mortality: a mixed-methods process evaluation of the ASOS-2 trial(Elsevier, 2021) Vickery, N.; Stephens, T.; Toit, L. D.; Straaten, D. V.; Pearse, R.; Torborg, A.; Rolt, L.; Puchert, M.; Martin, G.; Biccard, B. B.; Osinaike, B. B.; Ogunbode, O. O.; Idowu, O.; Lawal, T. A.; Ogundiran, T. O.; Shittu, O. B.; Ayandipo, O. OBackground: The African Surgical OutcomeS-2 (ASOS-2) trial tested an enhanced postoperative surveillance intervention to reduce postoperative mortality in Africa. We undertook a concurrent evaluation to understand the process of intervention delivery. Methods: Mixed-methods process evaluation, including field notes, interviews, and post-trial questionnaire responses. Qualitative analysis used the framework method with subsequent creation of comparative case studies, grouping hospitals by intervention fidelity. A post-trial questionnaire was developed using initial qualitative analyses. Categorical variables were summarised as count (%) and continuous variables as median (inter-quartile range [IQR]). Odds ratios (OR) were used to rank influences by impact on fidelity. Results: The dataset included eight in-depth case studies, and 96 questionnaire responses (response rate 67%) plus intervention fidelity data for each trial site. Overall, 57% (n¼55/96) of hospitals achieved intervention delivery using an inclusive definition of fidelity. Delivery of the ASOS-2 interventions and data collection presented a significant burden to the investigators, outstripping limited resources. The influences most associated with fidelity were: surgical staff enthusiasm for the trial (OR¼3.0; 95% confidence interval [CI], 1.3e7.0); nursing management support of the trial (OR¼2.6; 95% CI, 1.1e6.5); performance of a dummy run (OR¼2.6; 95% CI, 1.1e6.1); nursing colleagues seeing the value of the intervention(s) (OR¼2.1; 95% CI, 0.9e5.7); and site investigators’ belief in the effectiveness of the intervention (OR¼3.2; 95% CI, 1.2e9.4). Conclusions: ASOS-2 has proved that coordinated interventional research across Africa is possible, but delivering the ASOS-2 interventions was a major challenge for many investigators. Future improvement science efforts must include better planning for intervention delivery, additional support to investigators, and promotion of strong inter-professional teamwork.Item Awareness and knowledge of birth defects among antenatal Clinic attendees at the University College Hospital Ibadan, South-West, Nigeria.(2021) Akinmoladun, J. A.; Uchendu, O.; Lawal, T. A.; Oluwasola, T. A. O.OBJECTIVES: This study assessed the knowledge of risk factors and prevention of birth defects among ante-natal clinic attendees at the University College Hospital, Ibadan, Oyo State, Nigeria METHODS: This was a cross sectional study among 415 mothers who presented at the antenatal clinic, A semi-structured questionnaire was used to obtain information on respondents socio-demographic profile, pregnancy, birth history, knowledge on prevention and risk factors for birth defects. Descriptive statistics was used to present results, independent t-test and ANOVA were used to determine the factors associated with mean of overall knowledge of birth defects. Test statistics was done at a 5% level of statistical significance. RESULTS: The mean age of the women was 31.7 + 4.8 years Overall, 93 (22.4%) of the women were above 35 years, 118 (29.9%%) were skilled workers and 343 (84.9%) had tertiary education. More than half (219, 52.8%) of the respondents had good knowledge of birth defects (56.4%a had good knowledge of prevention and 66.0% had good knowledge of risk factors) Antenatal clinic attendees in their first trimester had higher mean overall knowledge score (8.3 t 4.9) compared to those in second (7.9 + 4.5) and third (7,9 + 4,9) trimesters but this was not statistically significant (p=0.873). However, respondents in skilled/ semi-skilled occupation (8_62) had a significantly higher mean knowledge score compared with those in unskilled occupation/ unemployed (7,33) (p=0.005) CONCLUSION: Knowledge of birth defects is relatively low among women. To reduce the occurrence and severity of birth defects, there is a need to educate mothers on the knowledge, prevention and importance of screening for birth defects.Item Ophthalmic congenital anomalies: spectrum and systemic associations in a Nigerian tertiary hospital(2017) Olusanya, B. A.; Ayede, A. I.; Adeleye, A. O.; Olusanya, A. A.; Lawal, T. A.; Baiyeroju, A. M.; Ogunkunle, O. O.; Joel-Medewase, V. I.; Adebayo, B. E.; Akinrinoye, O. O.; Ashubu, O. F.; Omokhodion, S. I.Background: To document the pattern of ophthalmic congenital anomalies and their associated systemic anomalies in Nigeria’s foremost university teaching hospital. Methods: Retrospective cross-sectional study conducted at the University College Hospital, Ibadan from January 2009 to December 2013. Clinic and ward registers of various departments and units in the hospital were reviewed to identify children with any structural abnormality, present at birth, which involved the eye and/or its adnexae. Results: Two hundred and forty eight children with 259 ophthalmic congenital anomalies were studied. The median age was 1.2 years with an interquartile range of 4.6 years. The male to female ratio was 1.27:1. Congenital cataract was found in 109 (44%) patients; 40 (15.4%) children had congenital glaucoma, and whole globe anomalies were observed in 18 (6.9%) children. Eighteen (7.9%) children had a family history of congenital anomalies. Associated systemic congenital anomalies were seen in 32 (12.9%) patients with the most common being cardiovascular anomalies in 13 (5.2%) patients. Children who had congenital cataracts were more likely to have multiple associated systemic anomalies (p<0.005). All the children who had associated cardiovascular anomalies had congenital cataracts (p= 0.001). Conclusion: The commonest ophthalmic congenital anomaly presenting for tertiary care in Ibadan is congenital cataract. Cardiovascular anomalies are the commonest systemic association of ophthalmic congenital anomalies. There is an urgent need for the establishment of a registry for congenital anomalies with effective screening and active surveillance within the Nigerian health system.Item Ophthalmic congenital anomalies: spectrum and systemic associations in a Nigerian tertiary hospital(2017) Olusanya, B. A.; Ayede, A. I.; Adeleye, A. O.; Olusanya, A. A.; Lawal, T. A.; Baiyeroju, A. M.; Ogunkunle, O. O.; Joel-Medewase, V. I.; Adebayo, B. E.; Akinrinoye, O. O.; Ashubu, O. F.; Omokhodion, S. I.Background: To document the pattern of ophthalmic congenital anomalies and their associated systemic anomalies in Nigeria’s foremost university teaching hospital. Methods: Retrospective cross-sectional study conducted at the University College Hospital, Ibadan from January 2009 to December 2013. Clinic and ward registers of various departments and units in the hospital were reviewed to identify children with any structural abnormality, present at birth, which involved the eye and/or its adnexae. Results: Two hundred and forty eight children with 259 ophthalmic congenital anomalies were studied. The median age was 1.2 years with an interquartile range of 4.6 years. The male to female ratio was 1.27:1. Congenital cataract was found in 109 (44%) patients; 40 (15.4%) children had congenital glaucoma, and whole globe anomalies were observed in 18 (6.9%) children. Eighteen (7.9%) children had a family history of congenital anomalies. Associated systemic congenital anomalies were seen in 32 (12.9%) patients with the most common being cardiovascular anomalies in 13 (5.2%) patients. Children who had congenital cataracts were more likely to have multiple associated systemic anomalies (p<0.005). All the children who had associated cardiovascular anomalies had congenital cataracts (p= 0.001). Conclusion: The commonest ophthalmic congenital anomaly presenting for tertiary care in Ibadan is congenital cataract. Cardiovascular anomalies are the commonest systemic association of ophthalmic congenital anomalies. There is an urgent need for the establishment of a registry for congenital anomalies with effective screening and active surveillance within the Nigerian health system.Item Routine prenatal ultrasound anomaly screening program in a Nigerian university hospital: redefining obstetrics practice in a developing African country(2015-08) Akinmoladun, J. A.; Ogbole, G. I.; Lawal, T. A.; Adesina, O. A.Background: Congenital anomalies are among the leading causes of fetal and infant morbidity and mortality worldwide. Prenatal ultrasound (US) screening has become an essential part of antenatal care in the developed world. Such practice is just evolving in die developing countries such as Nigeria. The aim of this article is to present our initial experience and demonstrate the effectiveness of a prenatal US screening program in detecting congenital malformation in a developing country. Materials and Methods: This was a prospective evaluation of the prenatal .US screenings conducted at a major referral hospital in Southwestern Nigeria All pregnant women referred to the antenatal clinic for mid-trimester screening during the period of study were assessed. Results: Two hundred and eighty-seven pregnant women (5 with twin gestations) were presented for fetal anomaly scan during the study period. Twenty-nine anomalies (9.9%) were detected among the scanned population. Sixteen of the anomalies were followed to delivery/termination with a specificity of 93.5%. The commonest malformations were demonstrated in the genitourinary tract (34.5%) followed by malformations within the central nervous system (27.6%). Six (20.6%) of the anomalies were lethal. Five of the anomalies were surgically collectable. Conclusion: Institutions and hospitals across Nigeria and other low- and middle-income countries need to develop policies and programs that would incorporate a standardized routine screening prenatal US in order to improve feto-maternal well-being and reduce the high perinatal mortality and morbidity in developing nations.