The effect of extreme temperature and precipitation on cause-specific deaths in rural Burkina Faso: a longitudinal study

Arisco, Nicholas J.; Sewe, Maquins; Bärnighausen, Till; Sié, Ali; Zabré, Pascal; Bunker, Aditi

doi:10.1016/s2542-5196(23)00027-x

Cited by 16 publications

(9 citation statements)

References 34 publications

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“…Our health endpoints include cardiovascular, metabolic, sleep, mental health, heat-related, and general health outcomes in home occupants of the Nouna Health and Demographic Surveillance System (HDSS) in Burkina Faso. We selected Nouna HDSS as our study community because it is located in sub-Saharan Africa and because demographic changes in Nouna, influenced by falling mortality rates, are likely to increase the size of heat-vulnerable groups (i.e., children and older adults) [ 8 , 13 ]. Further, a resource-limited subsistence farming community, such as Nouna, is more significantly threatened by climate change and has substantially lower adaptive capacity than more well-resourced communities, making low-cost, passive interventions necessary to adapt to increased extreme heat.…”

Section: Background and Rationalementioning

confidence: 99%

“…In preliminary work, we found that moderate and extreme heat exposure in Nouna, Burkina Faso, increased premature death (years of life lost) from all non-communicable diseases [ 8 ]. A follow-on 16-year time series study in Nouna, Burkina Faso, revealed that extreme temperature increased the risk of death from climate-sensitive diseases, including cardiovascular diseases in the elderly [ 13 ].…”

Section: Background and Rationalementioning

confidence: 99%

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The effects of cool roofs on health, environmental, and economic outcomes in rural Africa: study protocol for a community-based cluster randomized controlled trial

Bunker,

Compoaré,

Sewe

et al. 2024

Trials

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Background High ambient air temperatures in Africa pose significant health and behavioral challenges in populations with limited access to cooling adaptations. The built environment can exacerbate heat exposure, making passive home cooling adaptations a potential method for protecting occupants against indoor heat exposure. Methods We are conducting a 2-year community-based stratified cluster randomized controlled trial (cRCT) implementing sunlight-reflecting roof coatings, known as “cool roofs,” as a climate change adaptation intervention for passive indoor home cooling. Our primary research objective is to investigate the effects of cool roofs on health, indoor climate, economic, and behavioral outcomes in rural Burkina Faso. This cRCT is nested in the Nouna Health and Demographic Surveillance System (HDSS), a population-based dynamic cohort study of all people living in a geographically contiguous area covering 59 villages, 14305 households and 28610 individuals. We recruited 1200 participants, one woman and one man, each in 600 households in 25 villages in the Nouna HDSS. We stratified our sample by (i) village and (ii) two prevalent roof types in this area of Burkina Faso: mud brick and tin. We randomized the same number of people (12) and homes (6) in each stratum 1:1 to receiving vs. not receiving the cool roof. We are collecting outcome data on one primary endpoint - heart rate, (a measure of heat stress) and 22 secondary outcomes encompassing indoor climate parameters, blood pressure, body temperature, heat-related outcomes, blood glucose, sleep, cognition, mental health, health facility utilization, economic and productivity outcomes, mosquito count, life satisfaction, gender-based violence, and food consumption. We followed all participants for 2 years, conducting monthly home visits to collect objective and subjective outcomes. Approximately 12% of participants (n = 152) used smartwatches to continuously measure endpoints including heart rate, sleep and activity. Discussion Our study demonstrates the potential of large-scale cRCTs to evaluate novel climate change adaptation interventions and provide evidence supporting investments in heat resilience in sub-Saharan Africa. By conducting this research, we will contribute to better policies and interventions to help climate-vulnerable populations ward off the detrimental effects of extreme indoor heat on health. Trial registration German Clinical Trials Register (DRKS) DRKS00023207. Registered on April 19, 2021.

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Section: Background and Rationalementioning

confidence: 99%

Section: Background and Rationalementioning

confidence: 99%

The effects of cool roofs on health, environmental, and economic outcomes in rural Africa: study protocol for a community-based cluster randomized controlled trial

Bunker,

Compoaré,

Sewe

et al. 2024

Trials

Self Cite

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Section: Examples Of Knowledge Gapsmentioning

confidence: 99%

“…The power of long time series to monitor climate and health parameters in a defined region was elegantly demonstrated in a study from a rural Burkina Faso Demographic Surveillance Site recently [ 18 ]. The researchers used population and climate data covering 15 years and verified that periods of extreme hot temperatures increased cause-specific deaths [ 18 ]. Today, there are a few other African sites that long-term monitor demographics, collect climate data (temperature, precipitation and wind), follow health parameters of the population with wearable devices (heart and ventilation rates, temperature, mobility and sleep) and verify health status with verbal autopsies [ 19 ].…”

Section: Examples Of Knowledge Gapsmentioning

confidence: 99%

Strengthening Global Health Research

Gustafsson

2023

Global Health Action

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Global Health is a young discipline with equity of health and services as its core value. The discipline has a tradition of close links between practice and research in line with the ‘Health for All’ declaration launched by the World Health Organization (WHO) in 1978. The multitude of existential health crises facing mankind require a research agenda in line with Global Health Research core values and methods, such as transdisciplinary collaboration, long time series of population-based observations and multifaceted interventions. Knowledge gaps cover climate effects on health and mechanisms for global spread and control of antibiotic resistance across species. Such health threats are preferably studied at Health and Demographic Surveillance Sites, a scientific infrastructure for Global Health Research in Africa and Asia, that gains to expand and monitor climate parameters and include sites in the northern hemisphere. Global Health Scientists together with science societies can ensure long-term funding of a global network of population-based health-climate sites. Global Health Scientists and scientific journals should jointly provide data and evidence on global health to governance bodies on regional, national and global levels, in particular to WHO and United Nations in charge of the programme with Sustainable Development Goals.

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“…Global climate change is characterized by a signi cant rise in extreme high temperatures (EHTs), a trend that is expected to continue in the near future (IPCC 2018). EHTs are de ned by meteorologists and ecologists as temperatures that exceed a certain percentile (e.g., the 90th, 95th, or 99th percentile) of temperature distributions (Ma et al 2021; Arisco et al 2023). In fact, temperatures exceeding 42°C have been documented in the natural environment in 103 countries (Mherrera 2016).…”

Section: Introductionmentioning

confidence: 99%

The pine sawyer beetle alters oviposition strategy in response to extreme high temperatures

Li,

Chen

et al. 2023

Preprint

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The frequency and intensity of extreme high temperatures (EHTs) are increasing due to the climate warming. Insects have evolved a range of thermotolerance mechanisms to cope with EHTs, whereas there is limited research available on the alteration oviposition strategies under EHTs. This study aims to investigate the impacts of EHTs on the fertility and oviposition strategy of pine sawyer beetle, Monochamus alternatus, a destructive forestry pest. Both male and female adults exhibited a decline in reproductive performance under EHTs. Additionally, M. alternatus females generally laid one egg within one oviposition slit to minimize offspring competition. After EHTs treatments, it was firstly found that the females laid multiple eggs, which was characterized as a novel oviposition strategy. The elicitation of this novel oviposition strategy was negatively correlated with the hatchability of offspring and count of sperms in spermatheca. Furthermore, the hatchability of eggs laid by novel oviposition strategy was significantly lower than that of eggs laid individually. The novel oviposition strategy may help alleviate adverse effects of EHTs on M. alternatus by conserving energy, contributing to the long-term survival of the population. Our findings discovered a novel direction for the behavioral adaptation of insect species in the context of climate warming.

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The effect of extreme temperature and precipitation on cause-specific deaths in rural Burkina Faso: a longitudinal study

Cited by 16 publications

References 34 publications

The effects of cool roofs on health, environmental, and economic outcomes in rural Africa: study protocol for a community-based cluster randomized controlled trial

The effects of cool roofs on health, environmental, and economic outcomes in rural Africa: study protocol for a community-based cluster randomized controlled trial

Strengthening Global Health Research

The pine sawyer beetle alters oviposition strategy in response to extreme high temperatures

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