Determinants of folic acid intake during preconception and in early pregnancy by mothers in Ibadan, Nigeria

Introduction: In order to identify targets for primary preventive strategies, we explored possible  predictors of periconceptional folic acid (pFA) intake in a Nigerian population of reproductively active  women.Methods: A cross sectional study of mothers attending immunization clinics at two hospitals was conducted between May and November 2012. Information obtained included sociodemographic and  obstetric details and periconceptional usage of FA. Independent variables were analysed as predictors of pFA intake using chi-square statistical test and multinomial logistic regression.Results: The study involved 602 mothers aged 17 to 42 years; 23% had a university degree and 66%  were in the working class. Preconceptional usage was proven in only 15 (2.5%). Periconceptional usage was more likely among professionals (X2 = 41.194, p < 0.001), those with university degree (X2 = 53.089, p < 0.001),are primigravid (X2 = 18.415, p < 0.001) and early antenatal clinic attendees (X2 =  355.9, p < 0.001). Women were less likely to know that FA could prevent birth defects if in the working class (1.7% vs. 11.1%, X2 = 25.593, p < 0.001), less educated (0.5 vs. 10.9%, X2 = 38.083, p < 0.001) or booked late for antenatal care (2.0 vs. 5.9%, X2 = 5.767, p = 0.016). The determinants of late commencement of FA were low social class (OR = 4.29, 95% CI: 1.59, 11.31), lack of university  education (OR = 4.58, 95% CI: 3.06, 6.87) and late booking (OR = 104.27, 95% CI: 53.09, 204.76). Conclusion: In this population of reproductively active women, pFA intake and knowledge of its health benefits are poor amongst mothers - in working class, with limited education, and who present late for  antenatal care.Key words: Periconceptional, folic acid, neural tube defects, prevention, determinant

Cranioplasty Following Decompressive Craniectomy

Cranioplasty (CP) after decompressive craniectomy (DC) for trauma is a neurosurgical procedure that aims to restore esthesis, improve cerebrospinal fluid (CSF) dynamics, and provide cerebral protection. In turn, this can facilitate neurological rehabilitation and potentially enhance neurological recovery. However, CP can be associated with significant morbidity. Multiple aspects of CP must be considered to optimize its outcomes. Those aspects range from the intricacies of the surgical dissection/reconstruction during the procedure of CP, the types of materials used for the reconstruction, as well as the timing of the CP in relation to the DC. This article is a narrative mini-review that discusses the current evidence base and suggests that no consensus has been reached about several issues, such as an agreement on the best material for use in CP, the appropriate timing of CP after DC, and the optimal management of hydrocephalus in patients who need cranial reconstruction. Moreover, the protocol-driven standards of care for traumatic brain injury (TBI) patients in high-resource settings are virtually out of reach for low-income countries, including those pertaining to CP. Thus, there is a need to design appropriate prospective studies to provide context-specific solid recommendations regarding this topic

Central nervous system tumours in children in Ibadan, Nigeria: a histopathologic study

Introduction: Contrary to some earlier teachings that central nervous system (CNS) tumours are uncommon in black children, these neoplasms are the fourth most common paediatric tumours in Ibadan. Our centre is the major referral centre for CNS tumours in Nigeria. The last major study of paediatric CNS neoplasms from Ibadan was in 1985. An update of the data on paediatric CNS neoplasms at our centre is presented. Methods: A retrospective review of all histologically diagnosed CNS tumours in children (0-14 years) from January 2001 to December 2010 from the database of the Department of Pathology, University College Hospital, Ibadan, Nigeria was done. The cases were classified using the 2007 WHO Classification of Tumours of the Central Nervous System and were also based on their supratentorial and infratentorial locations. Results: Seventy-seven tumours, 44 in males, were included in the study. Astrocytic tumour comprised 20 cases, embryonal tumours 15, ependymal tumours 15, germ cell tumours 6, sellar tumours (all craniopharyngiomas) 9 and other histological types- 12 cases. Thirty-seven were WHO Grade 1, eleven Grade 2, ten Grade 3 and nineteen Grade 4 neoplasms. Thirty-six cases were supratentorial and thirty-eight were infratentorial in location. The most common tumours in this series were pilocytic astrocytomas, medulloblastomas, craniopharyngiomas and ependymomas in that order. Conclusion: Childhood CNS tumours are being increasingly diagnosed in our centre. This is largely explained by the recent expansion of the available neurosurgical services.Pan African Medical Journal 2016; 2

Primary stroke prevention worldwide: translating evidence into action

Stroke is the second leading cause of death and the third leading cause of disability worldwide and its burden is increasing rapidly in low-income and middle-income countries, many of which are unable to face the challenges it imposes. In this Health Policy paper on primary stroke prevention, we provide an overview of the current situation regarding primary prevention services, estimate the cost of stroke and stroke prevention, and identify deficiencies in existing guidelines and gaps in primary prevention. We also offer a set of pragmatic solutions for implementation of primary stroke prevention, with an emphasis on the role of governments and population-wide strategies, including task-shifting and sharing and health system re-engineering. Implementation of primary stroke prevention involves patients, health professionals, funders, policy makers, implementation partners, and the entire population along the life course

Casemix, management, and mortality of patients rreseceiving emergency neurosurgery for traumatic brain injury in the Global Neurotrauma Outcomes Study: a prospective observational cohort study.

BackgroundTraumatic brain injury (TBI) is increasingly recognised as being responsible for a substantial proportion of the global burden of disease. Neurosurgical interventions are an important aspect of care for patients with TBI, but there is little epidemiological data available on this patient population. We aimed to characterise differences in casemix, management, and mortality of patients receiving emergency neurosurgery for TBI across different levels of human development.MethodsWe did a prospective observational cohort study of consecutive patients with TBI undergoing emergency neurosurgery, in a convenience sample of hospitals identified by open invitation, through international and regional scientific societies and meetings, individual contacts, and social media. Patients receiving emergency neurosurgery for TBI in each hospital's 30-day study period were all eligible for inclusion, with the exception of patients undergoing insertion of an intracranial pressure monitor only, ventriculostomy placement only, or a procedure for drainage of a chronic subdural haematoma. The primary outcome was mortality at 14 days postoperatively (or last point of observation if the patient was discharged before this time point). Countries were stratified according to their Human Development Index (HDI)-a composite of life expectancy, education, and income measures-into very high HDI, high HDI, medium HDI, and low HDI tiers. Mixed effects logistic regression was used to examine the effect of HDI on mortality while accounting for and quantifying between-hospital and between-country variation.FindingsOur study included 1635 records from 159 hospitals in 57 countries, collected between Nov 1, 2018, and Jan 31, 2020. 328 (20%) records were from countries in the very high HDI tier, 539 (33%) from countries in the high HDI tier, 614 (38%) from countries in the medium HDI tier, and 154 (9%) from countries in the low HDI tier. The median age was 35 years (IQR 24-51), with the oldest patients in the very high HDI tier (median 54 years, IQR 34-69) and the youngest in the low HDI tier (median 28 years, IQR 20-38). The most common procedures were elevation of a depressed skull fracture in the low HDI tier (69 [45%]), evacuation of a supratentorial extradural haematoma in the medium HDI tier (189 [31%]) and high HDI tier (173 [32%]), and evacuation of a supratentorial acute subdural haematoma in the very high HDI tier (155 [47%]). Median time from injury to surgery was 13 h (IQR 6-32). Overall mortality was 18% (299 of 1635). After adjustment for casemix, the odds of mortality were greater in the medium HDI tier (odds ratio [OR] 2·84, 95% CI 1·55-5·2) and high HDI tier (2·26, 1·23-4·15), but not the low HDI tier (1·66, 0·61-4·46), relative to the very high HDI tier. There was significant between-hospital variation in mortality (median OR 2·04, 95% CI 1·17-2·49).InterpretationPatients receiving emergency neurosurgery for TBI differed considerably in their admission characteristics and management across human development settings. Level of human development was associated with mortality. Substantial opportunities to improve care globally were identified, including reducing delays to surgery. Between-hospital variation in mortality suggests changes at an institutional level could influence outcome and comparative effectiveness research could identify best practices.FundingNational Institute for Health Research Global Health Research Group

The effect of multiple adverse childhood experiences on health: a systematic review and meta-analysis

Background A growing body of research identifies the harmful effects that adverse childhood experiences (ACEs; occurring during childhood or adolescence; eg, child maltreatment or exposure to domestic violence) have on health throughout life. Studies have quantified such effects for individual ACEs. However, ACEs frequently co-occur and no synthesis of findings from studies measuring the effect of multiple ACE types has been done. Methods In this systematic review and meta-analysis, we searched five electronic databases for cross-sectional, case-control, or cohort studies published up to May 6, 2016, reporting risks of health outcomes, consisting of substance use, sexual health, mental health, weight and physical exercise, violence, and physical health status and conditions, associated with multiple ACEs. We selected articles that presented risk estimates for individuals with at least four ACEs compared with those with none for outcomes with sufficient data for meta-analysis (at least four populations). Included studies also focused on adults aged at least 18 years with a sample size of at least 100. We excluded studies based on high-risk or clinical populations. We extracted data from published reports. We calculated pooled odds ratios (ORs) using a random-effects model. Findings Of 11 621 references identified by the search, 37 included studies provided risk estimates for 23 outcomes, with a total of 253 719 participants. Individuals with at least four ACEs were at increased risk of all health outcomes compared with individuals with no ACEs. Associations were weak or modest for physical inactivity, overweight or obesity, and diabetes (ORs of less than two); moderate for smoking, heavy alcohol use, poor self-rated health, cancer, heart disease, and respiratory disease (ORs of two to three), strong for sexual risk taking, mental ill health, and problematic alcohol use (ORs of more than three to six), and strongest for problematic drug use and interpersonal and self-directed violence (ORs of more than seven). We identified considerable heterogeneity (I 2 of > 75%) between estimates for almost half of the outcomes. Interpretation To have multiple ACEs is a major risk factor for many health conditions. The outcomes most strongly associated with multiple ACEs represent ACE risks for the next generation (eg, violence, mental illness, and substance use). To sustain improvements in public health requires a shift in focus to include prevention of ACEs, resilience building, and ACE-informed service provision. The Sustainable Development Goals provide a global platform to reduce ACEs and their life-course effect on health. Funding Public Health Wales. © 2017 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY-NC-ND 4.0 licens

Effect of early tranexamic acid administration on mortality, hysterectomy, and other morbidities in women with post-partum haemorrhage (WOMAN): an international, randomised, double-blind, placebo-controlled trial

Background Post-partum haemorrhage is the leading cause of maternal death worldwide. Early administration of tranexamic acid reduces deaths due to bleeding in trauma patients. We aimed to assess the effects of early administration of tranexamic acid on death, hysterectomy, and other relevant outcomes in women with post-partum haemorrhage. Methods In this randomised, double-blind, placebo-controlled trial, we recruited women aged 16 years and older with a clinical diagnosis of post-partum haemorrhage after a vaginal birth or caesarean section from 193 hospitals in 21 countries. We randomly assigned women to receive either 1 g intravenous tranexamic acid or matching placebo in addition to usual care. If bleeding continued after 30 min, or stopped and restarted within 24 h of the first dose, a second dose of 1 g of tranexamic acid or placebo could be given. Patients were assigned by selection of a numbered treatment pack from a box containing eight numbered packs that were identical apart from the pack number. Participants, care givers, and those assessing outcomes were masked to allocation. We originally planned to enrol 15 000 women with a composite primary endpoint of death from all-causes or hysterectomy within 42 days of giving birth. However, during the trial it became apparent that the decision to conduct a hysterectomy was often made at the same time as randomisation. Although tranexamic acid could influence the risk of death in these cases, it could not affect the risk of hysterectomy. We therefore increased the sample size from 15 000 to 20 000 women in order to estimate the effect of tranexamic acid on the risk of death from post-partum haemorrhage. All analyses were done on an intention-to-treat basis. This trial is registered with ISRCTN76912190 (Dec 8, 2008); ClinicalTrials.gov, number NCT00872469; and PACTR201007000192283. Findings Between March, 2010, and April, 2016, 20 060 women were enrolled and randomly assigned to receive tranexamic acid (n=10 051) or placebo (n=10 009), of whom 10 036 and 9985, respectively, were included in the analysis. Death due to bleeding was significantly reduced in women given tranexamic acid (155 [1·5%] of 10 036 patients vs 191 [1·9%] of 9985 in the placebo group, risk ratio [RR] 0·81, 95% CI 0·65–1·00; p=0·045), especially in women given treatment within 3 h of giving birth (89 [1·2%] in the tranexamic acid group vs 127 [1·7%] in the placebo group, RR 0·69, 95% CI 0·52–0·91; p=0·008). All other causes of death did not differ significantly by group. Hysterectomy was not reduced with tranexamic acid (358 [3·6%] patients in the tranexamic acid group vs 351 [3·5%] in the placebo group, RR 1·02, 95% CI 0·88–1·07; p=0·84). The composite primary endpoint of death from all causes or hysterectomy was not reduced with tranexamic acid (534 [5·3%] deaths or hysterectomies in the tranexamic acid group vs 546 [5·5%] in the placebo group, RR 0·97, 95% CI 0·87-1·09; p=0·65). Adverse events (including thromboembolic events) did not differ significantly in the tranexamic acid versus placebo group. Interpretation Tranexamic acid reduces death due to bleeding in women with post-partum haemorrhage with no adverse effects. When used as a treatment for postpartum haemorrhage, tranexamic acid should be given as soon as possible after bleeding onset. Funding London School of Hygiene & Tropical Medicine, Pfizer, UK Department of Health, Wellcome Trust, and Bill & Melinda Gates Foundation

Breaking bad news to a prospective cross-sectional sample of patients’ relatives in a Nigerian neurosurgical service

Objectives: Breaking of medical bad news is anecdotally deemed culturally unacceptable, even intolerable, to native Africans. We explored this hypothesis among a cohort of relatives of patients who had difficult neurosurgical diagnoses in an indigenous practice. Materials and Methods: A semi-structured, interviewer-administered questionnaire was used in a cross-sectional survey among a consecutive cohort of surrogates / relatives of concerned patients. Their opinion and preferences regarding the full disclosure of the grave neurosurgical diagnoses, and prognoses, of their wards were analysed. Results: A total of 114 patients’ relatives, 83 (72.8%) females, were sampled. They were mainly young adults, mean age 40.2(SD 14.2) years; 57% had only basic literacy education; but the majority, 97%, declared themselves to have serious religious commitments. Ninety nine percent of the study participants deemed it desirable that either they or the patients concerned be told the bad news; 80.7% felt that this is best done with both patients and relations in attendance; 3.5% felt only the patients need be told. These preferences are similar to those expressed by the patients themselves in an earlier study. But a nearly significant greater proportion of patients’ relatives (15 vs 5%, p=0.06) would rather be the only ones to be told the patients’ bad news. Conclusions: This data-driven study showed that contrary to anecdotal belief about them, a cohort of native Nigerian-African surrogates of neurosurgical patients was well disposed to receiving, and appeared able to handle well, the full disclosure of difficult medical diagnostic / prognostic information

Determinants of Timing of Presentation of Neurotrauma Patients to a Neurosurgical Center in a Developing Country

Background: A major goal in neurotrauma management is the prevention of secondary neuronal injuries. This goal is time bound as neurological deficits once established are usually irreversible. Late presentation is the norm in most neurotrauma patients in developing countries. Aims: The aim of the study was to review the timing of presentation of neurotrauma patients and the possible causes of their late presentation for neurosurgical care in our practice. Methods: A cross-sectional study of a 4-month prospective database of neurotrauma patients presenting to the University College Hospital, Ibadan, was done. The participants’ biodata, injury characteristics, initial-care details before referral, and information on timing and causes of delay were analyzed. Results: The study subjects included 111 patients, 80.2% (89/111) were males, and 52.8% aged 21–40 years. Head injury (HI), spinal cord injury (SCI), and combined HI and SCI occurred, respectively, in 80.2%, 14.4%, and 5.4%. Road accidents followed by falls were seen in 73.9% and 14.4% (16), respectively. Just 46.8% (52/111) cases presented within 12 h of injury and only 37 (33.3%) within 4 h. Majority, 83.8% (93/111) were referrals from primary care. These referrals were delayed in 81.7% (76/93) of these. The referring health facilities were located intracity with our center in 54%. Other causes of delayed presentation of these study participants included long-distance travel to our center, lack of funds, or a combination of the above factors. Eighty-nine patients (80.2%) were brought in by family members and the remaining minority by passers-by and road safety personnel. Conclusions: Delayed referral from primary care features prominently in timing of presentation of neurotrauma patients in Nigeria. There is a need for collaboration as well as continuing medical education between the neurotrauma specialists and primary care physicians

Persistent missed diagnosis of adult Chiari 1 malformation in a developing country: a neurosurgical case series

Contexte Dans les pays développés, de nombreux critères cliniques de présomption ainsi que la vulgarisation particulière de l’imagerie par résonance magnétique (MRI), permettent aujourd’hui, contrairement aux seuls arguments cliniques utilisés dans le passé, de disposer d’arguments diagnostiques divers dans la malformation de Chiari I chez l’adulte. La situation est cependant différente dans les pays en voie de développement où, en raison des raisons diverses, cette affection est rarement diagnostiquée. Nous rapportons ici une série de 3 cas initialement non diagnostiqués et suivis dans le service.Patients et méthodes Il s’agit d’une étude descriptive de patients adultes présentant une malformation de Chiari I pris en charge pendant plus de 30 mois dans un pays d’Afrique subsaharien.Résultats Trois cas avaient été colliges. Le premier était un ouvrier qualifié de 44 ans avec une scoliose thoracique remontant à l’enfance. Il a consulté pour des troubles inauguraux de la main datant de 9 ans, associant une impotence fonctionnelle du poignet et une quadri parésie spastique du territoire C4 avec un niveau sensitif remontant à C5. Dans le deuxième cas, il s’agissait aussi d’un ouvrier, âgé de 32 ans avec une quadri parésie spasmodique d’installation progressive en C4 et un niveau sensitif C2. Le dernier patient âgé de 32 ans, présentait une symptomatologie cérébelleuse dont une ataxie, une amyotrophie de la main et une faiblesse musculaire du membre inferieur droit remontant à 1 an développée aux décours d’une fracture négligée de la tête fémorale. Dans aucun cas, le diagnostic clinique n’avait été suspecté par les médecins référant. Les explorations d’IRM cranio-vertébrales réalisées dans notre service avaient révélé des anomalies de la fosse postérieure typiques d’une malformation de Chiari I ainsi que des syrinx médullaires extensifs, aux limites variées. Deux patients avaient été opérés dans notre service avec des résultats encourageants tandis que le troisième avait choisi de se faire soigner à l’étranger.Conclusion Au Nigeria, il existe un réel besoin de sensibilisation sur l’existence de la malformation de Chiari I de l’adulte, afin de limiter les retards diagnostiques et les difficultés de prise en charge d’une pathologie très handicapante mais de traitement facile