Publications by authors named "Ezechi Oliver Chukwujekwu"

Background: Endometrial cancer is the sixth leading cause of cancer among females and about 97,000 global deaths of endometrial cancer. The changes in the trends of obesity, fertility rates and other risk factors in South Africa (SA) may impact the endometrial cancer trends. The aim of this study was to utilise the age period cohort and join point regression modelling to evaluate the national and ethnic trends in endometrial cancer mortality in South Africa over a 20year period (1999-2018).

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Background: Despite assumptions that insurance coverage would boost oral healthcare utilization in Nigeria, there is insufficient evidence supporting this claim. This study investigates the associations between residential location, awareness of the oral health insurance scheme, history of dental service utilization, and acceptance of oral health insurance among individuals benefiting from the Ilera Eko Scheme; a scheme that integrates preventive and curative oral health care into the state health insurance scheme.

Methods: A cross-sectional survey was conducted from July to November 2023 recruiting from a database of 1520 enrollees aged of 18 and 72-years-old who had been on the scheme for at least three months.

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Introduction: Substance use is a growing public health concern in West Africa, contributing to significant morbidity, mortality, and socioeconomic challenges. Despite the increasing prevalence, comprehensive data on the patterns and factors influencing substance use in the region remain limited. This systematic review and meta-analysis aim to synthesize existing research on the prevalence and patterns of substance use in West Africa, providing critical insights for developing targeted interventions and policies.

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  • This systematic review and meta-analysis examined the relationship between sugar intake and dental caries in Nigeria, as there were no existing national data on this issue.
  • A thorough search in various scientific databases yielded 14 relevant studies, predominantly from Southwest Nigeria, assessing factors like sugar consumption frequency and dental health in both children and adults.
  • Results indicated that while sugar intake seemed to slightly increase caries risk (18% higher odds), this association lacked statistical significance, suggesting further research is needed to clarify the link between sugar and dental health in the Nigerian population.
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  • This review examines oral health care behaviors among pregnant women in Nigeria and how these impact both maternal and child health outcomes.
  • The study analyzed 595 articles, narrowing it down to 18 relevant studies, which revealed significant variability in dental service usage and oral hygiene practices among pregnant women.
  • It concluded that dental service use is low, often prompted by existing dental issues rather than preventive care, and emphasizes the need for improved oral health education tailored for this demographic.
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  • The study aimed to assess the prevalence, case-fatality rate, and risk factors of Noma in Nigerian children.
  • Out of 1652 articles reviewed, 12 studies were included, revealing a pooled prevalence of Noma at 2.95%, with notable associations to malnutrition, measles, and malaria.
  • Case-fatality rates were unclear, and the prevalence was slightly higher in northern Nigeria compared to the south, with disparities noted in age groups but no significant conclusions drawn.
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Introduction: Sexual dysfunction in women with HIV is a necessary but understudied aspect of HIV complications in women living with HIV. This study reports the prevalence, pattern, and risk factors for sexual dysfunction in women living with HIV in southwest Nigeria.

Methods: A validated Female Sexual Function Index was used to determine sexual dysfunction in a cross-sectional study design involving 2926 adult women living with HIV in a large, publicly funded tertiary HIV treatment centre in Lagos, Nigeria.

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Background: Contraception is a strategy to meet the family planning goals of women living with human immunodeficiency virus (WLHIV) as well as to reduce the transmission of HIV. There is limited data from Nigeria, where HIV prevalent is the second-largest in the world. This study aimed to examine contraceptive use and identify factors influencing its use among sexually active WLHIV in Ibadan, Nigeria.

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  • - Human Papillomavirus (HPV) is linked to cervical cancer, particularly in sub-Saharan Africa, where the mortality rate is over 90%, highlighting the need for targeted interventions based on local data regarding prevalence and risk factors among women in Nigeria.
  • - A study involving nearly 1,000 participants found that while awareness of HPV and its vaccines was low (37% and 27%, respectively), vaccination rates were even lower at just 6%; higher HPV prevalence was noted in women with certain marital statuses and lifestyle factors like alcohol use and smoking.
  • - The research indicates that increasing education and awareness about HPV could lead to better prevention efforts, especially for vulnerable groups, including HIV-positive women and those with risky behaviors like smoking
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Background: Rampant chloroquine/hydroxychloroquine poisoning in Nigerian hospitals following suggestions of its possible efficacy in the treatment and prevention of the newly emerged COVID-19 disease informed this survey.

Objectives: The aim of this study was to assess the knowledge, attitude and perception of the Nigerian populace on the use of chloroquine in the COVID-19 pandemic.

Methods: This cross-sectional study was done by administering an electronic questionnaire created using Google Docs, through social media cascade methods including the WhatsApp application software to capture data on chloroquine use between April 20 and June 20, 2020.

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Objective: We systematically identified the prevalence of triplex infections (combined human immunodeficiency virus (HIV), hepatitis B virus (HBV), and hepatitis C virus (HCV)) in pregnancy.

Methods: To gather information on the frequency of triplex infections, we searched the databases of PubMed, CINAHL, and Google Scholar. Without regard to language, we utilized search terms that covered HIV, HBV, HCV, and pregnancy.

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  • Breast cancer is the top cause of cancer deaths among women worldwide and in South Africa, with mortality rates showing an upward trend from 1999 to 2020, particularly among younger women aged 30-49.
  • A study used statistical analysis to measure mortality rates and found an annual increase of 1.4%, with significant ethnic disparities in breast cancer death rates between Black and non-Black women.
  • The findings highlight the need for improved breast cancer prevention programs, especially targeting younger women and addressing ethnic differences in mortality risk.
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Introduction: in Nigeria, it was estimated that 1.9 million people were living with HIV of which 130,000 people were newly infected with HIV. HIV self-testing would potentially increase access to HIV testing for people to know their status, get diagnosed, and initiate treatment as soon as possible.

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  • * A study analyzed cervical cancer mortality trends from 1999 to 2018 using various regression analyses, revealing that younger women and specific ethnic groups were at higher risk.
  • * The findings suggest a need for improved cervical cancer control strategies in South Africa, focusing on ethnic disparities, age, and historical birth cohorts to effectively reduce mortality rates.
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A subgroup among people living with HIV (PLHIV) experience viral suppression, sometimes to an undetectable level in the blood and/or are able to maintain a healthy CD4+ T-cell count without the influence of antiretroviral (ARV) therapy. One out of three hundred PLHIV fall into this category, and a large sample of this group can be found in areas with a high prevalence of HIV infection such as Nigeria and South Africa. Understanding the mechanism underpinning the nonprogressive phenotype in this subgroup may provide insights into the control of the global HIV epidemic.

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To systematically review literature and identify mother-to-child transmission rates of human immunodeficiency virus, hepatitis B virus, and hepatitis C virus among pregnant women with single, dual, or triplex infections of human immunodeficiency virus, hepatitis B virus, and hepatitis C virus in Nigeria. PRISMA guidelines were employed. Searches were on 19 February 2021 in PubMed, Google Scholar and CINAHL on studies published from 1 February 2001 to 31 January 2021 using keywords: "MTCT," "dual infection," "triplex infection," "HIV," "HBV," and "HCV.

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Introduction: we present a qualitative analysis of opinions of the Nigerian general public as to how successful healthcare strategies have been in containing the COVID-19 outbreak.

Methods: an online qualitative survey was conducted, consisting of 30 semi-structured questions.

Results: four hundred and ninety-five (495) respondents participated, ranging in age from 18 to 59 years.

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The challenges encountered with conventional microbicide gels has necessitated the quest for alternative options. This study aimed to formulate and evaluate a bigel and thermosensitive gel, designed to combat the challenges of leakage and short-residence time in the vagina. Ionic-gelation technique was used to formulate maraviroc and tenofovir microspheres.

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Objective: To determine the hepatitis B vaccination coverage, full-dose (⩾3) coverage and the associated factors affecting uptake among pregnant women.

Methods: This was a cross-sectional study among pregnant women attending antenatal care in six tertiary hospitals across all the geopolitical zones of Nigeria. Pregnant women who consented to the study completed screening questions about their hepatitis B vaccination status and coverage.

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Background: There are no national data on hepatitis C virus awareness and burden among pregnant women to justify its routine screening.

Objectives: To investigate awareness, seroprevalence and risk factors for hepatitis C virus infection among pregnant women in Nigeria.

Methods: A total of 159 pregnant women from antenatal clinics across six geopolitical zones in Nigeria consented to anti-hepatitis C virus testing which was confirmed using polymerase chain reaction technique.

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Background: The increasing trends of morbidity and mortality of Lassa fever is becoming more alarming in Nigeria. Information about immune response to the virus is limited. At exposure, the level of immunity plays a vital role in the vulnerability of individuals infected.

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Introduction: effective and safe means of sample collection is a crucial component of testing for Covid-19. Uptake of testing is key to containing and controlling the spread of the virus. Scientists have been working on various strategies that will increase the uptake of testing for COVID-19.

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Introduction: Lassa virus (LASV), the causative agent of Lassa fever (LF), an endemic acute viral haemorrhagic illness in Nigeria, is transmitted by direct contact with the rodent, contaminated food or household items. Person-to-person transmission also occurs and sexual transmission has been reported. Thus, this study investigated the presence of LASV in body fluids of suspected and confirmed cases.

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Background: Nigeria contributes significantly to the global burden of HIV, Hepatitis B and C infections, either singly or in combinations, despite progress in HIV care regionally and globally. Although some limited data on mono infection of HIV, Hepatitis B and C virus infections do exists, that of dual and triplex infections, including seroconversion and mother-to-child transmission (MTCT) rates necessary for planning to address the scourge of infections in pregnancy are not available.

Objectives: To determine the seroprevalence, rate of new infections, MTCT of dual and triple infections of HIV, Hepatitis B and C viruses and associated factors, among pregnant women in Nigeria.

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Introduction: sickle cell disease and HIV infection are prevalent in sub-Saharan Africa. While Haemoglobin S (HbS) contributes to significant morbidity and mortality in the homozygous or double heterozygous states, in the carrier state it confers a survival advantage in disease conditions such as malaria. However the interaction between sickle haemoglobin and HIV infection, especially in children remains largely unknown.

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