Seasonal prevalence of malaria in West Sumba district, Indonesia

Syafruddin, Din; Krisin,; Sekartuti,; Dewi, Rita Marleta; Coutrier, Farah N.; Rozy, Ismail E; Susanti, Augustina I.; Elyazar, Iqbal; Sutamihardja, Awalludin; Rahmat, Agus; Kinzer, Michael H.; Rogers, William O.

doi:10.1186/1475-2875-8-8

Cited by 53 publications

(53 citation statements)

References 17 publications

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“…It was further established that malaria was associated with decreased haemoglobin concentrations in children under 10 years of age (Syafruddin et al, 2009), while asymptomatic P. falciparum and P. vivax parasitaemia were detected in 73 and 18 children, respectively (de Mast et al, 2010). In this study group, these authors also found that 84 and 83% of the children, respectively, had C-reactive protein concentrations below 5 mg/L.…”

Section: Introductionsupporting

confidence: 60%

“…In West Sumba District, situated in Lesser Sunda Archipelago, Indonesia, the geometric mean parasitaemia in infected individuals belonging to a study group of infected children and teenagers was found to decrease with age (Syafruddin et al, 2009). It was further established that malaria was associated with decreased haemoglobin concentrations in children under 10 years of age (Syafruddin et al, 2009), while asymptomatic P. falciparum and P. vivax parasitaemia were detected in 73 and 18 children, respectively (de Mast et al, 2010).…”

Section: Introductionmentioning

confidence: 93%

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Future malaria spatial pattern based on the potential global warming impact in South and Southeast Asia

Khormi

Kumar

2016

Geospat Health

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We used the Model for Interdisciplinary Research on Climate-H climate model with the A2 Special Report on Emissions Scenarios for the years 2050 and 2100 and CLIMEX software for projections to illustrate the potential impact of climate change on the spatial distributions of malaria in China, India, Indochina, Indonesia, and The Philippines based on climate variables such as temperature, moisture, heat, cold and dryness. The model was calibrated using data from several knowledge domains, including geographical distribution records. The areas in which malaria has currently been detected are consistent with those showing high values of the ecoclimatic index in the CLIMEX model. The match between prediction and reality was found to be high. More than 90% of the observed malaria distribution points were associated with the currently known suitable climate conditions. Climate suitability for malaria is projected to decrease in India, southern Myanmar, southern Thailand, eastern Borneo, and the region bordering Cambodia, Malaysia and the Indonesian islands, while it is expected to increase in southern and south-eastern China and Taiwan. The climatic models for Anopheles mosquitoes presented here should be useful for malaria control, monitoring, and management, particularly considering these future climate scenarios.

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Section: Introductionsupporting

confidence: 60%

Section: Introductionmentioning

confidence: 93%

Future malaria spatial pattern based on the potential global warming impact in South and Southeast Asia

Khormi

Kumar

2016

Geospat Health

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“…32 Malaria parasite density among infected individuals was higher in children 5 years of age in non-IRS villages. However, in IRS-villages malaria parasite density was higher in children 5-14 years of age pre-and post-IRS intervention.…”

Section: Discussionmentioning

confidence: 99%

Impact of Indoor Residual Spraying of Lambda-Cyhalothrin on Malaria Prevalence and Anemia in an Epidemic-Prone District of Muleba, North-Western Tanzania

Mashauri

Kinung’hi²,

Kaatano³

et al. 2013

The American Journal of Tropical Medicine and Hygiene

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Abstract. The Government of Tanzania introduced indoor residual spraying (IRS) in Muleba district in north-western Tanzania after frequent malaria epidemics. Malaria parasitological baseline and two cross-sectional follow-up surveys were conducted in villages under the IRS program and those not under IRS to assess the impact of IRS intervention. After two rounds of IRS intervention there was a significant reduction of malaria parasitological indices in both two villages. In IRS villages overall, parasitemia prevalence was reduced by 67.2%, splenomegaly was reduced by 75.8%, whereas anemia was reduced by 50.5%. There was also a decline of malaria parasite density from 896.4 at baseline to 128.8 at second follow-up survey. Similarly, there was also a reduction of malaria parasitological indices in non-IRS villages; however, parasitological indices in IRS villages remained far below the levels in non-IRS villages. The reduction of malaria parasitological indices in non-IRS villages might have been contributed by interventions other than IRS.

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“…Crosssectional surveys during wet and dry seasons at 45 sites in this district during 2007 indicated a seasonal pattern of hypoto meso-endemic malaria transmission with prevalence of microscopically patent parasitemia ranging from 0% to 34%, with a median prevalence of 6%. 17 The higher prevalence among these sampled sites is typically nearer the coast. Two such villages, Umbungedo and Wainyapu, with populations of 2,678 and 2,576, respectively, served as the study sites.…”

Section: Methodsmentioning

confidence: 99%

Impact of a Spatial Repellent on Malaria Incidence in Two Villages in Sumba, Indonesia

Syafruddin¹,

Bangs²,

Sidik³

et al. 2014

The American Journal of Tropical Medicine and Hygiene

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Abstract. A randomized, double-blinded, placebo-controlled study was conducted to examine the effect of spatial repellent (SR) in households at risk of malaria in Indonesia. Following presumptive radical cure for malaria in 180 adult men representing sentinels of new infection in four clusters within two villages, all households were given either metofluthrin or placebo mosquito coils. Weekly blood smear screening and human-landing mosquito catches were done throughout the 6 months intervention. Malaria infections occurred in 61 subjects living in placebo households and 31 subjects living in SR coil households, suggesting a 52% protective effect of SR. Likewise, anopheles indoor human landing rates were 32% lower in homes receiving SR coils. Differences in the malaria attack rate between SR-and placebo-treated homes was significant when not accounting for the effects of clustering. When the analysis was adjusted for intra-cluster correlation, the differences between SR-and placebo-treated homes were not statistically significant. The findings provide evidence of SR public health benefit and support a larger trial statistically powered to detect those effects.

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Seasonal prevalence of malaria in West Sumba district, Indonesia

Cited by 53 publications

References 17 publications

Future malaria spatial pattern based on the potential global warming impact in South and Southeast Asia

Future malaria spatial pattern based on the potential global warming impact in South and Southeast Asia

Impact of Indoor Residual Spraying of Lambda-Cyhalothrin on Malaria Prevalence and Anemia in an Epidemic-Prone District of Muleba, North-Western Tanzania

Impact of a Spatial Repellent on Malaria Incidence in Two Villages in Sumba, Indonesia

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