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  1. Article ; Online: Poststroke depression within the first year - phenomenology and clinical correlates from real-world data.

    Chan, Lai Gwen / Ng, Hok Shan Matthew / Loh, Yong Joo

    Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association

    2023  Volume 33, Issue 2, Page(s) 107509

    Abstract: Background: Studies of poststroke depression (PSD) in Singapore are limited. Specifically, the dynamic epidemiology and phenomenology of PSD in the different stroke types are unknown.: Objectives: This study aims to characterize the epidemiology and ... ...

    Abstract Background: Studies of poststroke depression (PSD) in Singapore are limited. Specifically, the dynamic epidemiology and phenomenology of PSD in the different stroke types are unknown.
    Objectives: This study aims to characterize the epidemiology and phenomenology of PSD in both the hospital setting, and in the community setting up to one year after stroke.
    Methods: Real-world clinical data of 1732 consecutive stroke patients in a tertiary stroke centre was extracted from inception in January 2010 to 30 November 2021. The Hospital Anxiety and Depression Scale (HADS) and the Patient Health Questionnaire (PHQ) were used to identify PSD. Demographic, comorbidities and stroke-related variables, and stroke severity were extracted and analysed by stroke type - ischemic, haemorrhagic, and strategic, at the hospitalisation and community follow-up cross-sections. For each group, the characteristics of those with PSD were compared against those without PSD. Logistic regression was performed to identify PSD predictors. Phenomenology was mapped by the relative frequencies of endorsed items on PHQ and HADS in PSD patients.
    Results: The prevalence of in-hospital PSD was 19.24 % in ischemic stroke, and 24.59 % in both haemorrhagic strokes and strategic basal ganglia/thalamus strokes. Prevalence of PSD in 547 stroke patients who were followed-up ≤ 12 months was 6.42 % in ischemic strokes, 3.52 % in haemorrhagic strokes and 5.23 % among strategic strokes. The association of right sided, bilateral strokes, strategic strokes, and large vessel aetiology with PSD only exists for ischemic strokes. Greater functional impairment and a past psychiatric history are independent predictive factors of PSD in all stroke types. Symptom profile of in-hospital PSD includes anxious distress.
    Conclusion: These findings have immediate clinical applicability considering the representativeness of the study sample.
    MeSH term(s) Humans ; Depression/diagnosis ; Depression/epidemiology ; Depression/psychology ; Hemorrhagic Stroke ; Risk Factors ; Stroke/diagnosis ; Stroke/epidemiology ; Stroke/therapy ; Cerebral Infarction ; Ischemic Stroke
    Language English
    Publishing date 2023-12-15
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1131675-5
    ISSN 1532-8511 ; 1052-3057
    ISSN (online) 1532-8511
    ISSN 1052-3057
    DOI 10.1016/j.jstrokecerebrovasdis.2023.107509
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    Zs.A 3519: Show issues Location:
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  2. Article ; Online: Heavier Load Alters Upper Limb Muscle Synergy with Correlated fNIRS Responses in BA4 and BA6.

    Chen, Zhi / Yan, Jin / Song, Xiaohui / Qiao, Yongjun / Loh, Yong Joo / Xie, Qing / Niu, Chuanxin M

    Cyborg and bionic systems (Washington, D.C.)

    2023  Volume 4, Page(s) 33

    Abstract: In neurorehabilitation, motor performances may improve if patients could accomplish the training by overcoming mechanical loads. When the load inertia is increased, it has been found to trigger linear responses in motor-related cortices. The cortical ... ...

    Abstract In neurorehabilitation, motor performances may improve if patients could accomplish the training by overcoming mechanical loads. When the load inertia is increased, it has been found to trigger linear responses in motor-related cortices. The cortical responses, however, are unclear whether they also correlate to changes in muscular patterns. Therefore, it remains difficult to justify the magnitude of load during rehabilitation because of the gap between cortical and muscular activation. Here, we test the hypothesis that increases in load inertia may alter the muscle synergies, and the change in synergy may correlate with cortical activation. Twelve healthy subjects participated in the study. Each subject lifted dumbbells (either 0, 3, or 15 pounds) from the resting position to the armpit repetitively at 1 Hz. Surface electromyographic signals were collected from 8 muscles around the shoulder and the elbow, and hemodynamic signals were collected using functional near-infrared spectroscopy from motor-related regions Brodmann Area 4 (BA4) and BA6. Results showed that, given higher inertia, the synergy vectors differed farther from the baseline. Moreover, synergy similarity on the vector decreased linearly with cortical responses in BA4 and BA6, which associated with increases in inertia. Despite studies in literature that movements with similar kinematics tend not to differ in synergy vectors, we show a different possibility that the synergy vectors may deviate from a baseline. At least 2 consequences of adding inertia have been identified: to decrease synergy similarity and to increase motor cortical activity. The dual effects potentially provide a new benchmark for therapeutic goal setting.
    Language English
    Publishing date 2023-05-31
    Publishing country United States
    Document type Journal Article
    ISSN 2692-7632
    ISSN (online) 2692-7632
    DOI 10.34133/cbsystems.0033
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Robotic-based ACTive somatoSENSory (Act.Sens) retraining on upper limb functions with chronic stroke survivors: study protocol for a pilot randomised controlled trial.

    Sidarta, Ananda / Lim, Yu Chin / Kuah, Christopher Wee Keong / Loh, Yong Joo / Ang, Wei Tech

    Pilot and feasibility studies

    2021  Volume 7, Issue 1, Page(s) 207

    Abstract: Background: Prior studies have established that senses of the limb position in space (proprioception and kinaesthesia) are important for motor control and learning. Although nearly one-half of stroke patients have impairment in the ability to sense ... ...

    Abstract Background: Prior studies have established that senses of the limb position in space (proprioception and kinaesthesia) are important for motor control and learning. Although nearly one-half of stroke patients have impairment in the ability to sense their movements, somatosensory retraining focusing on proprioception and kinaesthesia is often overlooked. Interventions that simultaneously target motor and somatosensory components are thought to be useful for relearning somatosensory functions while increasing mobility of the affected limb. For over a decade, robotic technology has been incorporated in stroke rehabilitation for more controlled therapy intensity, duration, and frequency. This pilot randomised controlled trial introduces a compact robotic-based upper-limb reaching task that retrains proprioception and kinaesthesia concurrently.
    Methods: Thirty first-ever chronic stroke survivors (> 6-month post-stroke) will be randomly assigned to either a treatment or a control group. Over a 5-week period, the treatment group will receive 15 training sessions for about an hour per session. Robot-generated haptic guidance will be provided along the movement path as somatosensory cues while moving. Audio-visual feedback will appear following every successful movement as a reward. For the same duration, the control group will complete similar robotic training but without the vision occluded and robot-generated cues. Baseline, post-day 1, and post-day 30 assessments will be performed, where the last two sessions will be conducted after the last training session. Robotic-based performance indices and clinical assessments of upper limb functions after stroke will be used to acquire primary and secondary outcome measures respectively. This work will provide insights into the feasibility of such robot-assisted training clinically.
    Discussion: The current work presents a study protocol to retrain upper-limb somatosensory and motor functions using robot-based rehabilitation for community-dwelling stroke survivors. The training promotes active use of the affected arm while at the same time enhances somatosensory input through augmented feedback. The outcomes of this study will provide preliminary data and help inform the clinicians on the feasibility and practicality of the proposed exercise.
    Trial registration: ClinicalTrials.gov NCT04490655 . Registered 29 July 2020.
    Language English
    Publishing date 2021-11-15
    Publishing country England
    Document type Journal Article
    ZDB-ID 2809935-7
    ISSN 2055-5784
    ISSN 2055-5784
    DOI 10.1186/s40814-021-00948-3
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Rehabilitation prioritization: Development of expert consensus on essential rehabilitation during pandemics.

    Ng, Yee Sien / Ong, Peck-Hoon / Mah, Shi Min / Koh, Charissa W C / Loh, Yong Joo / Chew, Effie

    Annals of physical and rehabilitation medicine

    2021  Volume 64, Issue 6, Page(s) 101512

    MeSH term(s) Consensus ; Humans ; Pandemics
    Language English
    Publishing date 2021-10-26
    Publishing country Netherlands
    Document type Letter
    ZDB-ID 2480363-7
    ISSN 1877-0665 ; 1877-0657
    ISSN (online) 1877-0665
    ISSN 1877-0657
    DOI 10.1016/j.rehab.2021.101512
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Book: Handbook of rehabilitation medicine

    Kong, Keng He / Yap, Samantha Giok Mei / Loh, Yong Joo

    2016  

    Author's details editor, Keng He Kong ; co-editors, Samantha Giok Mei Yap, Yong Joo Loh
    MeSH term(s) Rehabilitation
    Language English
    Size x, 203 pages :, illustrations
    Document type Book
    ISBN 9789813148703 ; 9789813148710 ; 9813148705 ; 9813148713
    Database Catalogue of the US National Library of Medicine (NLM)

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  6. Article: Robotic Assisted Upper Limb Training Post Stroke: A Randomized Control Trial Using Combinatory Approach Toward Reducing Workforce Demands.

    Budhota, Aamani / Chua, Karen S G / Hussain, Asif / Kager, Simone / Cherpin, Adèle / Contu, Sara / Vishwanath, Deshmukh / Kuah, Christopher W K / Ng, Chwee Yin / Yam, Lester H L / Loh, Yong Joo / Rajeswaran, Deshan Kumar / Xiang, Liming / Burdet, Etienne / Campolo, Domenico

    Frontiers in neurology

    2021  Volume 12, Page(s) 622014

    Abstract: Post stroke upper limb rehabilitation is a challenging problem with poor outcomes as 40% of survivors have functionally useless upper limbs. Robot-aided therapy (RAT) is a potential method to alleviate the effort of intensive, task-specific, repetitive ... ...

    Abstract Post stroke upper limb rehabilitation is a challenging problem with poor outcomes as 40% of survivors have functionally useless upper limbs. Robot-aided therapy (RAT) is a potential method to alleviate the effort of intensive, task-specific, repetitive upper limb exercises for both patients and therapists. The present study aims to investigate how a time matched combinatory training scheme that incorporates conventional and RAT, using H-Man, compares with conventional training toward reducing workforce demands. In a randomized control trial (NCT02188628, www.clinicaltrials.gov), 44 subacute to chronic stroke survivors with first-ever clinical stroke and predominant arm motor function deficits were recruited and randomized into two groups of 22 subjects: Robotic Therapy (RT) and Conventional Therapy (CT). Both groups received 18 sessions of 90 min; three sessions per week over 6 weeks. In each session, participants of the CT group received 90 min of 1:1 therapist-supervised conventional therapy while participants of the RT group underwent combinatory training which consisted of 60 min of minimally-supervised H-Man therapy followed by 30 min of conventional therapy. The clinical outcomes [Fugl-Meyer (FMA), Action Research Arm Test and, Grip Strength] and the quantitative measures (smoothness, time efficiency, and task error, derived from two robotic assessment tasks) were independently evaluated prior to therapy intervention (week 0), at mid-training (week 3), at the end of training (week 6), and post therapy (week 12 and 24). Significant differences within group were observed at the end of training for all clinical scales compared with baseline [mean and standard deviation of FMA score changes between baseline and week 6; RT: Δ4.41 (3.46) and CT: Δ3.0 (4.0);
    Language English
    Publishing date 2021-06-02
    Publishing country Switzerland
    Document type Case Reports
    ZDB-ID 2564214-5
    ISSN 1664-2295
    ISSN 1664-2295
    DOI 10.3389/fneur.2021.622014
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Efficacy of a Virtual Reality Commercial Gaming Device in Upper Limb Recovery after Stroke: A Randomized, Controlled Study.

    Kong, Keng-He / Loh, Yong-Joo / Thia, Ernest / Chai, Audrey / Ng, Chwee-Yin / Soh, Yan-Ming / Toh, Shirlene / Tjan, Soon-Yin

    Topics in stroke rehabilitation

    2016  Volume 23, Issue 5, Page(s) 333–340

    Abstract: Objective: To compare the efficacy of a virtual reality commercial gaming device, Nintendo wii (NW) with conventional therapy and customary care in facilitating upper limb recovery after stroke.: Design: Randomized, controlled, single-blinded study.!# ...

    Abstract Objective: To compare the efficacy of a virtual reality commercial gaming device, Nintendo wii (NW) with conventional therapy and customary care in facilitating upper limb recovery after stroke.
    Design: Randomized, controlled, single-blinded study.
    Setting: Tertiary rehabilitation center.
    Participants: 105 subjects admitted to in inpatient rehabilitation program within 6 weeks of stroke onset.
    Interventions: Subjects were randomly assigned to one of three groups of upper limb exercises: (1) NW gaming; (2) conventional therapy; (3) control. NW gaming and conventional therapy were provided fourtimes a week for 3 weeks.
    Main outcome measure(s): The main outcome measure was Fugl-Meyer assessment (FMA) of upper limb function. Secondary outcome measures included Action Research Arm Test, Functional Independence Measure, and Stroke Impact Scale. These measures were assessed at baseline, completion of intervention (week 3) and at 4 weeks and 8 weeks after completion of intervention. The primary outcome measure was the change in FMA scores at completion of intervention.
    Results: The mean age was 57.5±9.8 years, and subjects were enrolled at a mean of 13.7±8.9 days after stroke. The mean baseline FMA score was 16.4±14.2. There was no difference in FMA scores between all 3 groups at the end of intervention, and at 4 and 8 weeks after completion of intervention. Similar findings were also noted for the secondary outcome measures.
    Conclusion(s): Twelve sessions of augmented upper limb exercises via NW gaming or conventional therapy over a 3-week period was not effective in enhancing upper limb motor recovery compared to control.
    Language English
    Publishing date 2016-10
    Publishing country England
    Document type Journal Article
    ZDB-ID 1213112-x
    ISSN 1945-5119 ; 1074-9357
    ISSN (online) 1945-5119
    ISSN 1074-9357
    DOI 10.1080/10749357.2016.1139796
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    Zs.MO 454: Show issues

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