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Vascular dysfunction in women with recurrent pregnancy loss: Possible association with antiphospholipid antibodies.
Int J Gynaecol Obstet
November 2024
Graduate School of Health Sciences, Okayama University, Okayama, Japan.
Objective: Antiphospholipid antibodies (aPL) are recognized to have a pivotal role in recurrent pregnancy loss (RPL) and cardiovascular disease. Therefore, we assessed the vascular function of women with RPL and examined the association with each type of aPL.
Methods: In this retrospective study, 569 women with RPL and 55 healthy women who had never experienced pregnancy loss were recruited.
Objective: Infrared Thermography (IRT) has been used to monitor skin temperature variation in a contactless manner, in both clinical medicine and psychophysiology. Here, we introduce a new methodology to obtain information about autonomic correlates related to perspiration, peripheral vasomotility, and respiration from infrared recordings.
Methods: Our approach involves a model-based decomposition of facial thermograms using Independent Component Analysis (ICA) and an ad-hoc preprocessing procedure.
Detecting cardiac states with wearable photoplethysmograms and implications for out-of-hospital cardiac arrest detection.
Sci Rep
October 2024
British Columbia Resuscitation Research Collaborative, Providence Research, 1190 Hornby Street, Vancouver, BC, V6Z 2K5, Canada.
Out-of-hospital cardiac arrest (OHCA) is a global health problem affecting approximately 4.4 million individuals yearly. OHCA has a poor survival rate, specifically when unwitnessed (accounting for up to 75% of cases).
View Article and Find Full Text PDFDesign and validation of dual-point time-differentiated photoplethysmogram (2PPG) wearable for cuffless blood pressure estimation.
Comput Methods Programs Biomed
August 2024
School of Mechanical and Aerospace Engineering, Nanyang Technological University (NTU), Singapore. Electronic address:
Background & Objectives: Measurement of blood pressure (BP) in ambulatory patients is crucial for at high-risk cardiovascular patients. A non-obtrusive, non-occluding device that continuously measures BP via photoplethysmography will enable long-term ambulatory assessment of BP. The aim of this study is to validate the metasense 2PPG cuffless wearable design for continuous BP estimation without ECG.
View Article and Find Full Text PDFTowards a machine-learning assisted non-invasive classification of dengue severity using wearable PPG data: a prospective clinical study.
EBioMedicine
June 2024
Centre for Bio-Inspired Technology, Imperial College London, South Kensington Campus, London, SW7 2AZ, United Kingdom.
Background: Dengue epidemics impose considerable strain on healthcare resources. Real-time continuous and non-invasive monitoring of patients admitted to the hospital could lead to improved care and outcomes. We evaluated the performance of a commercially available wearable (SmartCare) utilising photoplethysmography (PPG) to stratify clinical risk for a cohort of hospitalised patients with dengue in Vietnam.
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