Publications by authors named "Christy Ky Chan"

Aims: We aimed to compare long-term "real-world" outcomes of three left atrial appendage occlusion (LAAO) devices for stroke prevention in a Chinese population with non-valvular atrial fibrillation (NVAF).

Methods And Results: Consecutive patients who underwent LAAO from June 2009 to October 2016 at a university-affiliated hospital were retrospectively analysed. In-hospital and major adverse events (MAE) including mortality, stroke and major bleeding rates were compared by LAAO device.

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Background: Modern smartphones allow measurement of heart rate (HR) by detecting pulsatile photoplethysmographic (PPG) signals with built-in cameras from the fingertips or the face, without physical contact, by extracting subtle beat-to-beat variations of skin color.

Objective: The objective of our study was to evaluate the accuracy of HR measurements at rest and after exercise using a smartphone-based PPG detection app.

Methods: A total of 40 healthy participants (20 men; mean age 24.

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