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202 results on '"Lin, Po-Cheng"'

3. Incidence of Subsequent Injuries Associated with a New Diagnosis of Benign Paroxysmal Positional Vertigo and Effects of Treatment: A Nationwide Cohort Study.

Author

Mao, Jhen-Jie, Lin, Hung-Che, Lin, Shih-Tsang, Lin, Po-Cheng, Chang, Ching-Hsiang, Chien, Wu-Chien, Chung, Chi-Hsiang, Chen, Ying-Jiin, and Chen, Jeng-Wen

Subjects
PROPORTIONAL hazards models, LOG-rank test, PHYSICIANS, BENIGN paroxysmal positional vertigo, HEALTH insurance, DATABASES, VERTIGO
Abstract

Background/Objectives: Benign paroxysmal positional vertigo (BPPV) is the most common cause of recurrent vertigo and the most common peripheral vestibular disorder. It is characterized by intense vertigo triggered by head and position changes. This study investigates the risk of subsequent injury in BPPV patients and the effects of treatment. Methods: A population-based retrospective cohort study was conducted using data from the Longitudinal Health Insurance Database 2005 in Taiwan. Patients with and without BPPV were identified between 2000 and 2017. The study outcomes were diagnoses of all-cause injuries. The Kaplan–Meier method determined the cumulative incidence rates of injury in both cohorts, and a log-rank test analyzed the differences. Cox proportional hazard models calculated each cohort's 18-year hazard ratios (HRs). Results: We enrolled 50,675 patients with newly diagnosed BPPV and 202,700 matched individuals without BPPV. During follow-up, 47,636 patients were diagnosed with injuries (13,215 from the BPPV cohort and 34,421 from the non-BPPV cohort). The adjusted HR for injury in BPPV patients was 2.63 (95% CI, 2.49–2.88). Subgroup analysis showed an increased incidence of unintentional and intentional injuries in BPPV patients (aHR 2.86; 95% CI, 2.70–3.13 and 1.10; 95% CI, 1.04–1.21, respectively). A positive dose–response relationship was observed with increasing BPPV diagnoses. Treatment with canalith repositioning therapy (CRT) or medications reduced the risk of injury slightly but not significantly (aHR, 0.78; 95% CI, 0.37–1.29, 0.88; 95% CI, 0.40–1.40, respectively). Conclusions: BPPV is independently associated with an increased risk of injuries. CRT or medications have limited effects on mitigating this risk. Physicians should advise BPPV patients to take precautions to prevent injuries even after treatment. [ABSTRACT FROM AUTHOR]

Published
2024
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12. Real-time visualisation and optimisation of acoustic waves carrying orbital angular momentum

Author

Lin, Po-Cheng, Gibson, Graham M., and Padgett, Miles J.

Abstract

Travelling waves, such as light and sound, can carry angular momentum. Orbital angular momentum (OAM) is one of the components which is determined by the helicity of the phase fronts. The helical waveform is characterised in terms of an integer l and an azimuthal phase term of exp(−ilθ), but for |l| > 1 the resulting high-order beam structure is unstable to perturbation. In this work, using Fourier transform profilometry and stroboscopic imaging techniques, we demonstrate the real-time visualisation of the OAM-carrying acoustic waveform by imaging the pressure imprint of the acoustic wave on a thin rubber sheet. Furthermore, based on the visualised waveform, we are able to optimise high-order (|l| > 1) OAM states by controlling the individual elements of the acoustic source. Beyond the study of acoustic OAM, the real-time monitoring and optimising methods could be a benefit to other applications requiring acoustic waveform shaping, such as acoustic communications, acoustic holograms, etc.

Published
2022

15. A One-Step, Monolayer Culture and Chemical-Based Approach to Generate Insulin-Producing Cells From Human Adipose-Derived Stem Cells to Mitigate Hyperglycemia in STZ-Induced Diabetic Rats

Author

Liang, Ruei-Yue, primary, Zhang, Kai-Ling, additional, Chuang, Ming-Hsi, additional, Lin, Feng-Huei, additional, Chen, Tzu-Chien, additional, Lin, Jhih-Ni, additional, Liang, Ya-Jyun, additional, Li, Yi-An, additional, Chen, Chun-Hung, additional, Wong, Peggy Leh Jiunn, additional, Lin, Shinn-Zong, additional, and Lin, Po-Cheng, additional

Published
2022
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17. Intracerebral transplantation of autologous adipose‐derived stem cells for chronic ischemic stroke: A phase I study

Author

Chiu, Tsung‐Lang, primary, Baskaran, Rathinasamy, additional, Tsai, Sheng‐Tzung, additional, Huang, Chih‐Yang, additional, Chuang, Ming‐Hsi, additional, Syu, Wan‐Sin, additional, Harn, Horng‐Jyh, additional, Lin, Yi‐Chun, additional, Chen, Chun‐Hung, additional, Huang, Pi‐Chun, additional, Wang, Yi‐Fen, additional, Chuang, Chi‐Hsuan, additional, Lin, Po‐Cheng, additional, and Lin, Shinn‐Zong, additional

Published
2021
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36. Transplantation with GXHPC1 for Liver Cirrhosis: Phase 1 Trial

Author

Huang, Ko-Chang, primary, Chuang, Ming-Hsi, additional, Lin, Zung-Sheng, additional, Lin, Yi-Chun, additional, Chen, Chun-Hung, additional, Chang, Chao-Liang, additional, Huang, Pi-Chun, additional, Syu, Wan-Sin, additional, Chiou, Tzyy-Wen, additional, Hong, Zih-Han, additional, Tsai, Yu-Chen, additional, Harn, Horng-Jyh, additional, Lin, Po-Cheng, additional, and Lin, Shinn-Zong, additional

Published
2019
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50. The Use of ADSCs as a Treatment for Chronic Stroke

Author

Chan, Tzu-Min, primary, Harn, Horng-Jyh, additional, Lin, Hui-Ping, additional, Chiu, Shao-Chih, additional, Lin, Po-Cheng, additional, Wang, Hsin-I, additional, Ho, Li-Ing, additional, Chuu, Chih-Pin, additional, Chiou, Tzyy-Wen, additional, Hsieh, An-Cheng, additional, Chen, Yu-Wen, additional, Ho, Wen-Yu, additional, and Lin, Shinn-Zong, additional

Published
2014
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