scholarly journals Asexual and sexual stages of Plasmodium falciparum in Nigerian pregnant women attending antenatal booking clinic

2010 ◽  
Vol 3 (3) ◽  
pp. 106-109 ◽  
Author(s):  
S T Balogun ◽  
F A Fehintola ◽  
O A Adeyanju ◽  
A A Adedeji
Keyword(s):  
Plasmodium Falciparum ◽  
Preterm Birth ◽  
Infant Mortality ◽  
Pregnant Women ◽  
Blood Meal ◽  
Sub Saharan Africa ◽  
Female Mosquito ◽  
Susceptibility To Infection ◽  
Sexual Stages ◽  
Sub Saharan

Susceptibility to infection by Plasmodium falciparum is increased in pregnant women. In sub-Saharan Africa, the consequences of maternal malaria include preterm birth, fetal growth restriction and increased infant mortality. Malaria transmission requires the circulation of viable gametocytes that can be ingested by the female mosquito taking a blood meal. This study was conducted to evaluate the presence of asexual and sexual stages of P. falciparum in pregnant women attending antenatal booking clinics in south-western Nigeria, an area hyper-endemic for malaria. Gametocyte carriage was about 13%, similar to that documented for children symptomatic for malaria in our area of study.

scholarly journals Asymptomatic Malaria Correlates with Anaemia in Pregnant Women at Ouagadougou, Burkina Faso

2012 ◽  
Vol 2012 ◽  
pp. 1-6 ◽  
Author(s):  
Zoenabo Douamba ◽  
Cyrille Bisseye ◽  
Florencia W. Djigma ◽  
Tegwinde R. Compaoré ◽  
Valérie Jean Telesphore Bazie ◽  
...  
Keyword(s):  
Plasmodium Falciparum ◽  
Pregnant Women ◽  
Rapid Detection ◽  
Intermittent Preventive Treatment ◽  
Preventive Treatment ◽  
Asymptomatic Infection ◽  
Sub Saharan Africa ◽  
Asymptomatic Malaria ◽  
Low Levels ◽  
Sub Saharan

Sub-Saharan Africa records each year about thirty-two million pregnant women living in areas of high transmission ofPlasmodium falciparumcausing malaria. The aim of this study was to carve out the prevalence of asymptomatic malaria among pregnant women and to emphasize its influence on haematological markers. The prevalence ofPlasmodium falciparumasymptomatic infection among pregnant women was 30% and 24% with rapid detection test (RDT) and microscopy, respectively. The prevalence ofP. falciparumasymptomatic malaria was reduced among pregnant women using sulfadoxine-pyrimethamine's intermittent preventive treatment and 61% of them were anaemic. Anaemia was significantly more common in women infected withP. falciparumcompared with the uninfected pregnant women. Most of the women had normal levels of homocysteine and low levels of folate, respectively. Therefore, the systematic diagnosis of malaria should be introduced to pregnant women as a part of the antenatal care.

Malaria

2021 ◽  
pp. 227-248
Author(s):  
Frank Baiden ◽  
Keziah L. Malm ◽  
Fred Binka
Keyword(s):  
Plasmodium Falciparum ◽  
Pregnant Women ◽  
Neurological Deficit ◽  
Diagnostic Tests ◽  
Point Of Care ◽  
Rapid Diagnostic Tests ◽  
Sub Saharan Africa ◽  
Protozoan Infection ◽  
Life Threatening ◽  
Sub Saharan

Malaria is a subtropical and tropical protozoan infection that accounts for nearly half a million deaths each year. Most deaths occur in sub-Saharan Africa and are caused by Plasmodium falciparum. The least studied of the five Plasmodia species that cause malaria, P. knowlesi, along with P. vivax cause life-threatening disease, mostly in Southeast Asia. Children, pregnant women, and non-immune travellers to endemic countries are most vulnerable to severe malaria. Cerebral malaria and anaemia are complications that results in neurological deficit and death if treatment is delayed or inappropriately administered. Rapid diagnostic tests have emerged as accurate and reliable means to diagnosing malaria at point-of-care.

scholarly journals Kelch 13-propeller polymorphisms in Plasmodium falciparum from Jazan region, southwest Saudi Arabia

2020 ◽  
Vol 19 (1) ◽  
Author(s):  
Ommer Mohammed Dafalla ◽  
Mohammed Alzahrani ◽  
Ahmed Sahli ◽  
Mohammed Abdulla Al Helal ◽  
Mohammad Mohammad Alhazmi ◽  
...  
Keyword(s):  
Plasmodium Falciparum ◽  
Saudi Arabia ◽  
Parasite Clearance ◽  
Sub Saharan Africa ◽  
Local Alignment ◽  
Nucleotide Polymorphisms ◽  
Gene Encoding ◽  
Synonymous Mutations ◽  
Search Tool ◽  
Sub Saharan

Abstract Background Artemisinin-based combination therapy (ACT) is recommended at the initial phase for treatment of Plasmodium falciparum, to reduce morbidity and mortality in all countries where malaria is endemic. Polymorphism in portions of P. falciparum gene encoding kelch (K13)-propeller domains is associated with delayed parasite clearance after ACT. Of about 124 different non-synonymous mutations, 46 have been identified in Southeast Asia (SEA), 62 in sub-Saharan Africa (SSA) and 16 in both the regions. This is the first study designed to analyse the prevalence of polymorphism in the P. falciparum k13-propeller domain in the Jazan region of southwest Saudi Arabia, where malaria is endemic. Methods One-hundred and forty P. falciparum samples were collected from Jazan region of southwest Saudi Arabia at three different times: 20 samples in 2011, 40 samples in 2016 and 80 samples in 2020 after the implementation of ACT. Plasmodium falciparum kelch13 (k13) gene DNA was extracted, amplified, sequenced, and analysed using a basic local alignment search tool (BLAST). Results This study obtained 51 non-synonymous (NS) mutations in three time groups, divided as follows: 6 single nucleotide polymorphisms (SNPs) ‘11.8%’ in samples collected in 2011 only, 3 (5.9%) in 2011and 2016, 5 (9.8%) in 2011 and 2020, 5 (9.8%) in 2016 only, 8 (15.7%) in 2016 and 2020, 14 (27.5%) in 2020 and 10 (19.6%) in all the groups. The BLAST revealed that the 2011 isolates were genetically closer to African isolates (53.3%) than Asian ones (46.7%). Interestingly, this proportion changed completely in 2020, to become closer to Asian isolates (81.6%) than to African ones (18.4%). Conclusions Despite the diversity of the identified mutations in the k13-propeller gene, these data did not report widespread artemisinin-resistant polymorphisms in the Jazan region where these samples were collected. Such a process would be expected to increase frequencies of mutations associated with the resistance of ACT.

scholarly journals Malarial Infection in HIV Infected Pregnant Women Attending a Rural Antenatal Clinic in Nigeria

2014 ◽  
Vol 2014 ◽  
pp. 1-6 ◽  
Author(s):  
R. S. Houmsou ◽  
B. E. Wama ◽  
S. O. Elkanah ◽  
L. C. Garba ◽  
T. D. Hile ◽  
...  
Keyword(s):  
Risk Factors ◽  
Haemoglobin Level ◽  
Pregnant Women ◽  
Rural Areas ◽  
First Trimester ◽  
Antenatal Clinic ◽  
Severe Anaemia ◽  
Sub Saharan Africa ◽  
Malarial Infection ◽  
Sub Saharan

Malaria still remains a challenging infection affecting the lives of several HIV infected pregnant women in sub-Saharan Africa. This study was undertaken to determine malarial infection in HIV infected pregnant women in relation to sociodemographic and obstetrical factors. The study also assessed relationship between malarial infection and haemoglobin level, CD4+ counts, and ART regimen, as well as predisposing risk factors that influenced occurrence of malarial infection in the women. Thick and thin blood smears were prepared and stained with Giemsa. Haemoglobin level was determined using a hematology analyzer, while the flow cytometry was used to measure CD4+ counts. Sociodemographic and obstetrical parameters were obtained through the administration of questionnaires. Of the 159 HIV infected pregnant women examined, 33.3% (59/159) had malarial infection. Malarial infection was significantly higher in pregnant women who were divorced, 40.24% (33/82) (χ2=5.72; P=0.05), were at their first trimester (4–12 weeks), 54.8% (17/31) (χ2=14.85; P=0.01), had CD4+ = [201–500 cells/μL], 42.42% (42/99) (χ2=10.13; P=0.00), and those that had severe anaemia (<8 dg/L), 100.00% (χ2= 45.75; P=0.00). However, risk factors that influenced the occurrence of malarial infection in the pregnant women were occupation (farming) (AOR=0.226; P=0.03), marital status (divorced) (AOR=2.80; P=0.02), gestation (first trimester) (AOR=0.33; P=0.00), haemoglobin level (Hb < 8 dg/L) (AOR=0.02; P=0.00), and CD4+ counts (low CD4+) (OR=0.40; P=0.05). The study reported endemicity of malaria in HIV infected pregnant women living in rural areas of Benue State, Nigeria. Malarial infection was higher in women that were divorced, and at their first trimester, had low CD4+ count, and had severe anaemia. Farming, divorce, gestation, severe anaemia, and low CD4+ counts were predisposing risk factors that influenced malaria occurrence in the HIV infected pregnant women. It is advocated that HIV infected pregnant women should be properly and thoroughly educated on malaria preventive measures in rural areas so as to avoid unpleasant effect of malaria during their pregnancies.

HIV Counseling and Testing of Pregnant Women in Sub-Saharan Africa

2001 ◽  
Vol 28 (5) ◽  
pp. 458-462
Author(s):  
Charles Kilewo ◽  
Augustine Massawe ◽  
Eligius Lyamuya ◽  
Innocent Semali ◽  
Festus Kalokola ◽  
...  
Keyword(s):  
Pregnant Women ◽  
Sub Saharan Africa ◽  
Hiv Counseling And Testing ◽  
Hiv Counseling ◽  
Counseling And Testing ◽  
Sub Saharan
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