Seiyefa Brisibe

The human health implications of crude oil spills in the Niger delta, Nigeria: An interpretation of published studies

Background: The health hazards created by oil exploration and exploitation are covert and slow in action. They are not given the deserved attention in official documents in Nigeria, even as they can be major contributors to the disease burden in oil-bearing communities. This study is an interpretation of the data reported in several published studies on crude oil spills in the Niger delta region, Nigeria. Materials and Methods: A manual and Internet search was conducted to extract quantitative data on the quantity of crude oil spilled; the concentrations of the pollutants in surface water, ground water, ambient air and plant and animal tissue; and the direct impact on human health and household food security. Results: An average of 240,000 barrels of crude oil are spilled in the Niger delta every year, mainly due to unknown causes (31.85%), third party activity (20.74%), and mechanical failure (17.04%). The spills contaminated the surface water, ground water, ambient air, and crops with hydrocarbons, including known carcinogens like polycyclic aromatic hydrocarbon and benxo (a) pyrene, naturally occurring radioactive materials, and trace metals that were further bioaccumulated in some food crops. The oil spills could lead to a 60% reduction in household food security and were capable of reducing the ascorbic acid content of vegetables by as much as 36% and the crude protein content of cassava by 40%. These could result in a 24% increase in the prevalence of childhood malnutrition. Animal studies indicate that contact with Nigerian crude oil could be hemotoxic and hepatotoxic, and could cause infertility and cancer. Conclusions: The oil spills in the Niger delta region have acute and long-term effects on human health. Material relief and immediate and long-term medical care are recommended, irrespective of the cause of the spill, to ensure that the potential health effects of exposures to the spills are properly addressed.

Intersection Between Alcohol Abuse and Intimate Partner’s Violence in a Rural Ijaw Community in Bayelsa State, South-South Nigeria:

According to the 2008 National Demographic and Health Survey, the south-south zone of Nigeria had the highest prevalence of domestic violence. This study is to find out if this is related to the widespread consumption of alcohol in the region. The study was carried out in Okoloba, a rural Ijaw community in Bayelsa State, where alcohol is produced and consumed in large quantities; using a cross-sectional study design. The data was collected from married or cohabitating adults aged between 16 and 65 years, with a structured interviewer-administered questionnaire. A total of 346 subjects, comprising 187 males, and 159 females were studied. They had an average age of 41.4 ± 2.5 years, were mostly Christians (91.9%), farmers/fisher folk (52.3%), and had at most primary school education (64.2%). More than 90% of the subjects took alcohol in the preceding year, while 36% can be classified as alcohol abusers according to their AUDIT score. More than half (55.8%) were perpetrators of intimate partner violence during the preceding 12 months, with a male-to-female prevalence of 83.4%, and female-to-male prevalence of 23.3%. Out of these, 77.2% were under the influence of alcohol during the act. The violence was more likely to be perpetrated by male alcohol abusers (p-value < 0.001), but there were no significant differences in the educational levels and religion of the perpetrators (p-value > 0.05). The study therefore concludes that there is a link between intimate partner abuse and alcohol abuse in the study community.

Socio-demographic characteristics of alcohol abusers in a rural Ijaw community in Bayelsa State, South-South Nigeria

BACKGROUND Causal relationship has been established between alcohol and more than 60 types of disease and injury. Despite this, alcohol is still widely consumed in several communities in Nigeria, and sometimes considered a health tonic. This study described the pattern, prevalence, and factors associated with alcohol abuse in a typical Ijaw community, where alcohol is produced and consumed in large quantities. MATERIALS AND METHODS The study was carried out in Okoloba, a rural community in Bayelsa State, South-South Nigeria using an analytical cross-sectional study design. The data were collected from members of the community aged 16 to 65 years, using the Alcohol Use Disorders Identification Test questionnaire and clinical examination for hepatomegaly, tongue tremor, and hand tremor. RESULTS A total of 322 subjects, comprising 166 men and 156 women were studied. They had an average age of 41.4 ± 2.5 years, were mostly farmers (43.17%), married (66.15%), and had at most primary school education (62.42%). More than 90% of the subjects took alcohol in the preceding year, with more of them (43%) preferring the locally produced drinks. About 33% of the subjects had harmful drinking, while 12.73% had alcohol dependence problem. There is no significant age difference between the alcohol abusers and abstainers/social drinkers (P > 0.05), but alcohol abusers were significantly more likely to be males (P < 0.001), in polygamous marriages (P < 0.00001), had lower educational status (P < 0.0001), likely to be practitioners of the traditional religion (P < 0.0001), and more likely to be engaged in palm wine tapping. CONCLUSION Alcohol is widely consumed in the community, but the prevalence of abuse was moderate, mainly due to cultural restrictions. Sales restrictions might be needed as the drinking habits of members of the community change with urbanization.

Prevalence of hypertension and its modifiable risk factors amongst traditional chiefs of an oil-bearing community in south-south Nigeria

Background: The epidemiological transition has firmly berthed in Nigerias oil-bearing communities, but the pace is often different in subsets of the community, depending on how readily the western lifestyle is being adopted. This study determined the prevalence of hypertension and its modifiable risk factors amongst the traditional chiefs of an oil-bearing community in Rivers State, Nigeria. Materials and Methods: A descriptive cross-sectional study design was used, with the data collected using a modified form of the WHO STEPS instrument that consists of a questionnaire component and measurement of body mass index (BMI) and blood pressure. The questionnaire was used to collect information on the socio-demographic characteristics of the respondents, the use of tobacco, and consumption of alcohol. Results: A total of 106 traditional chiefs were studied. They were all males, mostly married (95.28%), with a mean age of 56.5 ± 4.10 years. The study population had a mean systolic blood pressure of 149 ± 17 mmHg, a mean diastolic blood pressure of 98.7 ± 14.8 mmHg, and prevalence of hypertension was 68.9%. Most (63.01%) of the hypertensive chiefs were aware of their status and were on anti-hypertensive drugs (50.68%). None of the chiefs were underweight, and most were either overweight (51.89%) or obese (26.42%). Nearly all (92.45%) the chiefs regularly took alcoholic beverage, while 24.53% currently smoke cigarettes. Conclusion: The prevalence of hypertension amongst the traditional chiefs was higher than in the general population. This can be attributed to their older age and acculturation.

Alcohol consumption among pregnant women attending the ante.natal clinic of a tertiary hospital in South.South Nigeria

BACKGROUND As efforts to reduce maternal and childhood mortality rates continue to yield results in Nigeria, it is time to put more emphases on the health of children. Alcohol consumption is one of the few modifiable risk factors for poor pregnancy outcome. This study assessed the consumption of alcohol among pregnant women attending the antenatal clinic of the University of Port Harcourt Teaching Hospital, Port Harcourt, Nigeria. MATERIALS AND METHODS This study was carried out using a descriptive cross-sectional study design, with data collected using an interviewer-administered questionnaire. The questionnaire was used to collect information on the knowledge of the harmful effects of alcohol on the fetus, attitudes toward alcohol use by pregnant women, and alcohol use by the respondents. RESULTS A total of 221 subjects were studied. The respondents had an average age of 29.5 ± 4.6 years, were mostly married (96.83%), Christians (94.57%), and had tertiary education (73.76%). Only, 51.58% of the respondents knew of the harmful effects of alcohol on the fetus; of whom, 62.29% were told by a health professional. More than half (59.28%) of the respondents had taken alcohol during the index pregnancy, about a third (39.40%) of whom drank alcohol on a regular basis, whereas 25.79% were binge drinkers. There were no statistically significant differences in the marital (P = 0.16) and educational status (P = 0.15) of the respondents who abstained from alcohol in the index pregnancy, compared with those who drank alcohol; although, statistically significant differences were observed in the age (P < 0.001), parity (P = 0.02) and religion (P < 0.001) of the respondents. CONCLUSION The level of alcohol consumption among the pregnant women is high. Health education is, therefore, required to change the attitude of the public and the knowledge and behavior of the pregnant women.

The effect of hospital infection control policy on the prevalence of surgical site infection in a tertiary hospital in South-South Nigeria

Background: Surgical site infections (SSIs) are a significant cause of morbidity, emotional stress and financial cost to the affected patients and health care institutions; and infection control policy has been shown to reduce the burden of SSIs in several health care institutions. This study assessed the effects of the implementation of the policy on the prevalence of SSI in the University of Port Harcourt Teaching Hospital, Nigeria. Patients and Methods: A review of the records of all Caesarean sections carried out in the hospital, before and 2 years after the implementation of the infection control policy was conducted. Data collected include the number and characteristics of the patients that had Caesarean section in the hospital during the period and those that developed SSI while on admission. Results: The proportion of patients with SSI decreased from 13.33% to 10.34%, 2 years after the implementation of the policy (P-value = 0.18). The implementation of the policy did not also result in any statistically significant change in the nature of the wound infection (P-value = 0.230), in the schedule of the operations (P-value = 0.93) and in the other predisposing factors of the infections (P-value = 0.72); except for the significant decrease in the infection rate among the un-booked patients (P-value = 0.032). Conclusion: The implementation of the policy led to a small decrease in SSI, due to the non-implementation of some important aspects of the WHO policy. The introduction of surveillance activities, continuous practice reinforcing communications and environmental sanitation are recommended to further decrease the prevalence of SSI in the hospital.