Autonomic manifestations of epilepsy

Abstract: An epileptic fit does not only manifest as bizarre motor activity but can destabilize autonomic functions. Abnormal electrical discharge originating from the cerebral cortex can spreads to involve the autonomic system thus creating a dysfunction of the sympathetic and the parasympathetic which modulate the cardiorespiratory, digestive, genitourinary systems. The autonomic phenomenon can be encountered in simple partial, complex partial, generalised tonic-clonic, absence and generalized tonic seizures. Both the motor and the autonomic components may manifest simultaneously; at times the autonomic symptoms may precede or outlast the motor components. Autonomic features affecting the cardiopulmonary function may be life-threatening and contributes to 8-17% of deaths in individuals with epilepsy. Hypoventilation, apnoea, atrial fibrillation, sinus arrhythmias, atrial and ventricular premature depolarisations, bundle branch block and asystole are known to manifest in the peri-ictal and also in interictal phases of epilepsy. Poor control, and polytherapy in the management of patients, render some epileptics more vulnerable toexcessive excitability of the autonomic nervous system. The aim of this communication, therefore, is to alert and remind healthcare givers on the autonomic phenomena of epileptic fits some of which may result in sudden unexpected death. Clinician should always take a holistic approach in the evaluation of epilepsy patients and watch out especially for cardiorespiratory variability during and in-between attacks.Key Words: Epilepsy, Autonomic dysfunction

Malaria parasite positivity among febrile neonates

Background: Malaria, earlier considered rare in neonates, has been reported with increasing frequency in the last decade. Neonatal malaria diagnosis is challenging because the clinical features are non-specific, variable and also overlap with bacterial infection.Aim: To determine the prevalence of neonatal malaria and the associatedclinical features in newborn babies with fever.Patients and methods: One hundred and fifty neonates with fever admitted into the Newborn unit of the University of Calabar Teaching Hospital, over a six month period, were recruited consecutively. Symptoms and signs for each neonate were documented. Blood film for malaria parasites and investigation for sepsis workup were done before commencement of drugs.Results: One hundred and fifty babies were recruited. Most (85.3%) of the babies were aged .7 days. One hundred and thirty six (90.7%) of the mothers were booked for antenatal care (ANC). Most of the babies were from primiparous women (54.7%). Six babies (4%) had malaria  parasitaemia with four (2.7%) being congenital malaria and two (1.3%)acquired malaria. Plasmodium falciparum was the only species identified. All six with malaria were from the 136 booked mothers. Four of the affected six neonates also had septicaemia. The clinical features in babies with malaria only were, fever, fast breathing and jaundice while thosewith malaria and bacterial co-infection had, in addition, poor suck.Conclusion: Malaria infection and septicemia can coexist in some Nigerian newborns and since the clinical presentation of each of these condition are closely similar, it is recommend that malaria parasite investigation be included as part of the investigation in the newborns with fever. This approach can help to avoid a delay in applying the appropriate therapeuticinterventio

Neonatal seizures in Calabar: A revisit

Newborns admitted with convulsion in the University of Calabar Teaching Hospital, Calabar during the period 1st May 2004 to 30 April 2006 were studied prospectively. The aim was to determine the place of birth in relation to the cause of seizures, the current situation in terms of the aetiology, clinical spectrum and outcome. There were 55 neonates with convulsion representing 5% of admissions into the newborn unit during the period. Birth asphyxia, sepsis, and hypoglycaemia were important identifiable aetiological factors which operated either singly (45.5%) of cases) or in concert (54.5% of cases) in causing seizures. Hypocalcaemia and hyponatraemia contributed less. These results are similar to that of a previous study carried out in this centre ten years earlier . There was no statistical significant difference between home and hospital deliveries in relation to causes of seizures. Septicaemia was caused mainly by staphylococcus aureus, enterobactericae and unclassified coliforms. No neonatal meningitis was diagnosed. Surprisingly, there was a high prevalence of generalized seizures (76.4%). The mortality of 34.0% was related to onset of the seizures within 4 days of life but not the place of birth.The causes of neonatal seizures in our environment are mostly preventable. There is need to provide modern facilities for investigating newborn seizures, training and retraining of Traditional Birth Attendants, health education of expectant mothers

Cranial nerve palsies in Nigerian children

Background: Cranial nerve palsies are common clinical problem routinely encountered in neurological practice; the dysfunction can occur at any point in the course of the nerve and may point to serious pathology. The aim of this study was to determine the pattern and underlying aetiology of cranial nerve palsies in Nigerian children.Method: Children in the Children’s Emergency Unit and the Children’s Ward of the University of Calabar Teaching Hospital, Calabar, Nigeria, with neurological problems over a 12-month period (January through December 2012), were recruited into the study. Each child was admitted and evaluated by the Paediatric Neurology Unit. Those with cranial nerve palsies were selected for detailed analysis. The biodata, clinical features and relevant laboratory results were documented.Results: Of the 285 with neurological problems 23 (8.1%) had cranial nerve palsies. Fifteen (65.2%) of the children had single cranial nerve palsies while eight (34.8%) had multiple cranial nerves involvement. Of the 43 nerves involved, the facial nerve was the commonest (38.3%) followed by the oculomotor (23.5%) and abducens (20.6%). Intracranial infections such as meningitis, viral encephalitis and brain abscess were incriminated in 60.8% of the patients and 70.6% of the nerves involved.Conclusion: Cranial nerve palsies cause handicap and cosmetic problems. It is recommended that every child with cranial neuropathy should be evaluated for intracranial infections among other differentials. Prompt diagnosis, treatment and immunisation against related infections is paramount

Stray dog trade fuelled by dog meat consumption as a risk factor for rabies infection in Calabar, southern Nigeria

Background: Rabies is a preventable zoonosis with the highest case fatality of any disease in the world. In the developing world, it is transmitted mainly by dog bites. In parts of southern Nigeria, dog meat is a delicacy.Objective: To highlight trade in stray dogs as a major risk factor for rabies in animals and humans in south-south Nigeria.Method: Patients admitted into the University of Calabar Teaching Hospital (UCTH) with a diagnosis of rabies between July and October 2012 were analysed for risk factors, post exposure prophylaxis (PEP), health seeking behaviour and outcome. Focused group interview were also conducted among traders/ handlers of stray dogs.Results: Ten cases of rabies in subjects aged 3 to 52 years were recorded in these five months period. Eight of the cases were male and apparently got infected directly or indirectly through the trade in stray dogs for human consumption. None had proper PEP and all patients died.Conclusion: Stray dog trade, fuelled by eating of dog meat, is a risk factor for human and animal rabies in Calabar, southern Nigeria. Culling of stray dogs, control of stray dogs’ trade and public enlightenment on PEP is recommended.African Health Sciences 2013; 13(4): 1170 - 117

Bacterial isolates from blood cultures of children with suspected septicaemia in Calabar, Nigeria

BACKGROUND: Septicaemia is a common cause of morbidity and mortality among children in the developing world. This pattern has changed little in the past decade. Physical signs and symptoms, though useful in identifying possible cases have limited specificity. Definitive diagnosis is by bacteriologic culture of blood samples to identify organisms and establish antibiotic susceptibility. These results are usually not available promptly. Therefore a knowledge of epidemiologic and antimicribial susceptibility pattern of common pathogens is useful for prompt treatment of patients. This report highlights the pattern of bacterial isolates in our environment from a retrospective study of our patients' records. METHODS: One thousand, two hundred and one blood samples were analysed from children aged 0–15 years, admitted into the children's wards of the University of Calabar Teaching Hospital, Calabar, Nigeria with features suggesting septicaemia. Samples were collected under aseptic conditions and cultured for aerobic and anaerobic organisms. Isolates were identified using bacteriologic and biochemical methods and antibiotic sensitivity determined by agar diffusion method using standard antibiotic discs. RESULTS: Bacteria was isolated in 552 (48.9%) of samples with highest rates among newborns (271 : 50.8). The most frequent isolates were Staphylococcal aureus (48.7%) and Coliforms (23.4%). Results showed high susceptibilities to the Cephalosporins (Ceftriazone- 100%:83.2%, Cefuroxime-100%:76.5%) and Macrolides (Azithromycin-100%:92.9%) for S. aureus and coliforms respectively. This study underscores the importance of septicaemia as a common cause of febrile illness in children and provides information on common prevalent aetiologic agents and drug susceptibilities of the commonest pathogens. CONCLUSION: Staphylococcus aureus and coliforms were the leading causes of septicaemia in children in this locality, and the third generation cephalosporins and azithromycin were shown to be effective against these pathogens

Birth defects in newborns and stillborns: an example of the Brazilian reality

<p>Abstract</p> <p>Background</p> <p>This study constitutes a clinical and genetic study of all newborn and stillborn infants with birth defects seen in a period of one year in a medical school hospital located in Brazil. The aims of this study were to estimate the incidence, causes and consequences of the defects.</p> <p>Methods</p> <p>For all infants we carried out physical assessment, photographic records, analysis of medical records and collection of additional information with the family, besides the karyotypic analysis or molecular tests in indicated cases.</p> <p>Result</p> <p>The incidence of birth defects was 2.8%. Among them, the etiology was identified in 73.6% (ci95%: 64.4-81.6%). Etiology involving the participation of genetic factors single or associated with environmental factors) was more frequent 94.5%, ci95%: 88.5-98.0%) than those caused exclusively by environmental factors (alcohol in and gestational diabetes mellitus). The conclusive or presumed diagnosis was possible in 85% of the cases. Among them, the isolated congenital heart disease (9.5%) and Down syndrome (9.5%) were the most common, followed by gastroschisis (8.4%), neural tube defects (7.4%) and clubfoot (5.3%). Maternal age, parental consanguinity, exposure to teratogenic agents and family susceptibility were some of the identified risk factors. The most common observed consequences were prolonged hospital stays and death.</p> <p>Conclusions</p> <p>The current incidence of birth defects among newborns and stillbirths of in our population is similar to those obtained by other studies performed in Brazil and in other underdeveloped countries. Birth defects are one of the major causes leading to lost years of potential life. The study of birth defects in underdeveloped countries should continue. The identification of incidence, risk factors and consequences are essential for planning preventive measures and effective treatments.</p