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IJERPH, Vol. 17, Pages 1828: Stroke Prediction with Machine Learning Methods among Older Chinese
ang Timely stroke diagnosis and intervention are necessary considering its high prevalence. Previous studies have mainly focused on stroke prediction with balanced data. Thus, this study aimed to develop machine learning models for predicting stroke with imbalanced data in an elderly population in China. Data were obtained from a prospective cohort that included 1131 participants (56 stroke patients and 1075 non-stroke participants) in 2012 and 2014, respectively. Data balancing techniques including random over-sampling (ROS), random under-sampling (RUS), and synthetic minority over-sampling technique (SMOTE) were used...
Source: International Journal of Environmental Research and Public Health - March 11, 2020 Category: Environmental Health Authors: Yafei Wu Ya Fang Tags: Article Source Type: research

IJERPH, Vol. 19, Pages 3182: Predictive Model and Mortality Risk Score during Admission for Ischaemic Stroke with Conservative Treatment
Conclusions: It is possible to create a predictive model of mortality for patients with ischaemic stroke from which important advances can be made towards optimising the quality and efficiency of care. The model results are available within a few minutes of admission and would provide a valuable complementary resource for the neurologist.
Source: International Journal of Environmental Research and Public Health - March 8, 2022 Category: Environmental Health Authors: Mar ía Carmen Lea-Pereira Laura Amaya-Pascasio Patricia Mart ínez-Sánchez Mar ía del Mar Rodríguez Salvador Jos é Galván-Espinosa Luis T éllez-Ramírez Fernando Reche-Lorite Mar ía-José Sánchez Juan Manuel Garc ía-Torrecillas Tags: Article Source Type: research

Lasting Impact of an Ephemeral Organ: The Role of the Placenta in Fetal Programming
Recent advances in molecular and imaging technologies, “omics” fields, and data sciences are offering researchers an unprecedented look at the placenta, the master regulator of the fetal environment.© EPA/National Geographic Channel/Alamy Studies of infants conceived during the Dutch “Hunger Winter” provided some of the earliest clues that prenatal stress could affect health much later in life.© Nationaal Archief  © Evan Oto/Science Source In one study, the placental microbiome had a similar taxonomic profile as the oral microbiome, illustrated here by...
Source: EHP Research - July 1, 2016 Category: Environmental Health Authors: Web Admin Tags: Featured Focus News July 2016 Source Type: research

IJERPH, Vol. 18, Pages 5838: Automated Detection of Hypertension Using Physiological Signals: A Review
Acharya Arterial hypertension (HT) is a chronic condition of elevated blood pressure (BP), which may cause increased incidence of cardiovascular disease, stroke, kidney failure and mortality. If the HT is diagnosed early, effective treatment can control the BP and avert adverse outcomes. Physiological signals like electrocardiography (ECG), photoplethysmography (PPG), heart rate variability (HRV), and ballistocardiography (BCG) can be used to monitor health status but are not directly correlated with BP measurements. The manual detection of HT using these physiological signals is time consuming and prone to human erro...
Source: International Journal of Environmental Research and Public Health - May 29, 2021 Category: Environmental Health Authors: Sharma Rajput Tan Acharya Tags: Review Source Type: research

Associations between short-term ambient ozone exposure and cause-specific mortality in rural and urban areas of Jiangsu, China
Environ Res. 2022 Mar 11:113098. doi: 10.1016/j.envres.2022.113098. Online ahead of print.ABSTRACTMost previous studies on the acute health effects of ozone are limited to urban areas, largely due to the paucity of air pollutant measurements in rural areas. We here estimated the county-specific daily maximum 8-h average ozone concentration in Jiangsu Province, China during 2015-2018, using a recently developed spatiotemporal machine learning model at a spatial resolution of 0.1° × 0.1° (∼11 × 11 km). Counties were equally divided into urban and rural groups based on the median of the percentage of urban residents acr...
Source: Environmental Research - March 15, 2022 Category: Environmental Health Authors: Chengyi Lin Yiqun Ma Riyang Liu Yanchuan Shao Zongwei Ma Lian Zhou Yuanshu Jing Michelle L Bell Kai Chen Source Type: research

IJERPH, Vol. 19, Pages 4014: Automated Detection of Hypertension Using Continuous Wavelet Transform and a Deep Neural Network with Ballistocardiography Signals
Acharya Managing hypertension (HPT) remains a significant challenge for humanity. Despite advancements in blood pressure (BP)-measuring systems and the accessibility of effective and safe anti-hypertensive medicines, HPT is a major public health concern. Headaches, dizziness and fainting are common symptoms of HPT. In HPT patients, normalcy may be observed at one instant and abnormality may prevail during a long duration of 24 h ambulatory BP. This may cause difficulty in identifying patients with HPT, and hence there is a possibility that individuals may be untreated or administered insufficiently. Most importantly, u...
Source: International Journal of Environmental Research and Public Health - March 28, 2022 Category: Environmental Health Authors: Jaypal Singh Rajput Manish Sharma T. Sudheer Kumar and U. Rajendra Acharya Tags: Article Source Type: research

IJERPH, Vol. 19, Pages 12059: Determinants of COVID-19 Outcome as Predictors of Delayed Healthcare Services among Adults & ge;50 Years during the Pandemic: 2006 & ndash;2020 Health and Retirement Study
Conclusion: Among older adults, sex, education and depressive symptoms are key predictors of delayed healthcare services attributed to the COVID-19 pandemic. Delays in surgical and non-surgical healthcare services may have distinct predictors, with non-surgical delays more frequently observed among individuals with a history of 1 or 2 cardiovascular and/or metabolic conditions.
Source: International Journal of Environmental Research and Public Health - September 23, 2022 Category: Environmental Health Authors: Hind A. Beydoun May A. Beydoun Brook T. Alemu Jordan Weiss Sharmin Hossain Rana S. Gautam Alan B. Zonderman Tags: Article Source Type: research