Publications by authors named "Tsun Haw Toh"

Objective: We aimed to develop a model to predict amyotrophic lateral sclerosis (ALS) disease progression based on clinical and neuromuscular ultrasound (NMUS) parameters.

Methods: ALS patients were prospectively recruited. Muscle fasciculation (≥2 over 30-seconds, examined in biceps brachii-brachialis (BB), brachioradialis, tibialis anterior and vastus medialis) and nerve cross-sectional area (CSA) (median, ulnar, tibial, fibular nerve) were evaluated through NMUS.

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To compare two ALS staging systems, King's clinical staging and Milano-Torino (MiToS) functional staging, using prospective data from a multi-ethnic cohort of ALS patients. The stages of disease were determined prospectively based on existing definitions. The two systems were compared for timing of stages using box plots, correspondence using chi-square tests and association using Spearman's rank correlation.

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Cerebral venous thrombosis (CVT) is a rare cause of stroke worldwide with a wide range of clinical presentations. Anticoagulation therapy has been regarded as the first line of management of CVT to prevent the progression of thrombosis and to re-establish the venous flow. We present a case of severe CVT who did not respond to conventional anticoagulation therapy but responded well to mechanical thrombectomy (MT).

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Early endovascular thrombectomy leads to improved outcomes for patients with proximal occlusions when started within 6 h from onset of symptoms. We present a case illustrating the flow of events for a patient who underwent endovascular thrombectomy in our centre after conventional imaging - a brain non-contrast computed tomography (NCCT) and CT angiogram (CTA) - achieving a door-to-groin time of 195 min. The patient is a 65-year-old who presented with signs and symptoms of a left middle cerebral artery (MCA) territory infarct.

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Studies from multiethnic populations are rarely reported but do indicate differences in phenotypic presentation and survival in amyotrophic lateral sclerosis (ALS). In this study, we aimed to investigate the natural history of a cohort of ALS patients from a multiethnic population. : Data from ALS patients presenting to our multidisciplinary ALS clinic were prospectively collected from January 2015 to June 2020 as part of an ongoing hospital-based patient registry.

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