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  1. Article ; Online: Risk stratification of sudden cardiac death in asymptomatic female Brugada syndrome patients: A literature review.

    Leung, Keith Sai Kit / Radford, Danny / Huang, Helen / Lakhani, Ishan / Li, Christien Ka Hou / Hothi, Sandeep Singh / Wai, Abraham Ka Chung / Liu, Tong / Tse, Gary / Lee, Sharen

    Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc

    2023  Volume 28, Issue 2, Page(s) e13030

    Abstract: Background and objectives: Risk stratification in Brugada syndrome remains a difficult problem. Given the male predominance of this disease and their elevated risks of arrhythmic events, affected females have received less attention. It is widely known ... ...

    Abstract Background and objectives: Risk stratification in Brugada syndrome remains a difficult problem. Given the male predominance of this disease and their elevated risks of arrhythmic events, affected females have received less attention. It is widely known that symptomatic patients are at increased risk of sudden cardiac death (SCD) than asymptomatic patients, while this might be true in the male population; recent studies have shown that this association might not be significant in females. Over the past few decades, numerous markers involving clinical symptoms, electrocardiographic (ECG) indices, and genetic tests have been explored, with several risk-scoring models developed so far. The objective of this study is to review the current evidence of clinical and ECG markers as well as risk scores on asymptomatic females with Brugada syndrome.
    Findings: Gender differences in ECG markers, the yield of genetic findings, and the applicability of risk scores are highlighted.
    Conclusions: Various clinical, electrocardiographic, and genetic risk factors are available for assessing SCD risk amongst asymptomatic female BrS patients. However, due to the significant gender discrepancy in BrS, the SCD risk amongst females is often underestimated, and there is a lack of research on female-specific risk factors and multiparametric risk scores. Therefore, multinational studies pooling female BrS patients are needed for the development of a gender-specific risk stratification approach amongst asymptomatic BrS patients.
    MeSH term(s) Humans ; Male ; Female ; Brugada Syndrome/complications ; Brugada Syndrome/diagnosis ; Brugada Syndrome/epidemiology ; Risk Assessment ; Electrocardiography/adverse effects ; Death, Sudden, Cardiac/etiology ; Death, Sudden, Cardiac/epidemiology ; Risk Factors
    Language English
    Publishing date 2023-01-11
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 1325530-7
    ISSN 1542-474X ; 1082-720X
    ISSN (online) 1542-474X
    ISSN 1082-720X
    DOI 10.1111/anec.13030
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: A novel desmin mutation causing severe left ventricular arrhythmogenic cardiomyopathy/dysplasia.

    Bazoukis, George / Letsas, Konstantinos P / Xia, Yunlong / Tse, Gary / Li, Ka Hou Christien

    Journal of thoracic disease

    2018  Volume 10, Issue Suppl 26, Page(s) S3100–S3102

    Language English
    Publishing date 2018-09-27
    Publishing country China
    Document type Editorial ; Comment
    ZDB-ID 2573571-8
    ISSN 2077-6624 ; 2072-1439
    ISSN (online) 2077-6624
    ISSN 2072-1439
    DOI 10.21037/jtd.2018.07.83
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Atypical electrocardiographic manifestations of ischemia: a case of dynamic Wellens patterns.

    Ngan Rn, Alex Tsz Lai / Yeung, Cynthia / Chiang, Lorraine / Liu, Tong / Tse, Gary / Christien Li, Ka Hou

    Journal of geriatric cardiology : JGC

    2018  Volume 15, Issue 11, Page(s) 710–712

    Language English
    Publishing date 2018-11-11
    Publishing country China
    Document type Journal Article
    ZDB-ID 2421391-3
    ISSN 1671-5411
    ISSN 1671-5411
    DOI 10.11909/j.issn.1671-5411.2018.11.006
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article: The impact of post-operative atrial fibrillation on outcomes in coronary artery bypass graft and combined procedures.

    Alex Chau, Yau-Lam / Won Yoo, Ji / Chuen Yuen, Ho / Bin Waleed, Khalid / Chang, Dong / Liu, Tong / Liu, Fang Zhou / Tse, Gary / Lee, Sharen / Hou Christien Li, Ka

    Journal of geriatric cardiology : JGC

    2021  Volume 18, Issue 5, Page(s) 319–326

    Abstract: Background: Post-operative atrial fibrillation (POAF) is a common yet understudied clinical issue after coronary artery bypass graft (CABG) leading to higher mortality rates and stroke. This systematic review and meta-analysis evaluated the rates of ... ...

    Abstract Background: Post-operative atrial fibrillation (POAF) is a common yet understudied clinical issue after coronary artery bypass graft (CABG) leading to higher mortality rates and stroke. This systematic review and meta-analysis evaluated the rates of adverse outcomes between patients with and without POAF in patients treated with CABG or combined procedures.
    Methods: The search period was from the beginning of PubMed and Embase to May 18
    Results: Of the 7,279 entries screened, 11 studies comprising of 57,384 patients were included. Compared to non-POAF, POAF was significantly associated with higher risk of all-cause mortality (Risk Ratio (RR) = 1.58; 95% Confidence Interval (CI): 1.42-1.76,
    Conclusions: Patients with POAF after CABG or combined procedures are at an increased risk of all-cause mortality or CVAs. Therefore, POAF after such procedures should be closely monitored and treated judiciously to minimize risk of further complications. While there are studies on POAF versus no POAF on outcomes, the heterogeneity suggests that further studies are needed.
    Language English
    Publishing date 2021-06-02
    Publishing country China
    Document type Journal Article
    ZDB-ID 2421391-3
    ISSN 1671-5411
    ISSN 1671-5411
    DOI 10.11909/j.issn.1671-5411.2021.05.005
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: P

    Tse, Gary / Lakhani, Ishan / Zhou, Jiandong / Li, Ka Hou Christien / Lee, Sharen / Liu, Yingzhi / Leung, Keith Sai Kit / Liu, Tong / Baranchuk, Adrian / Zhang, Qingpeng

    Frontiers in bioengineering and biotechnology

    2020  Volume 8, Page(s) 479

    Abstract: Introduction: ...

    Abstract Introduction:
    Language English
    Publishing date 2020-05-15
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2719493-0
    ISSN 2296-4185
    ISSN 2296-4185
    DOI 10.3389/fbioe.2020.00479
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Acute ischemic stroke management: concepts and controversies.A narrative review.

    Li, Ka Hou Christien / Jesuthasan, Aaron / Kui, Christopher / Davies, Ruth / Tse, Gary / Lip, Gregory Y H

    Expert review of neurotherapeutics

    2020  Volume 21, Issue 1, Page(s) 65–79

    Abstract: Introduction: Amongst the 25.7 million survivors and 6.5 million deaths from stroke between 1990 and 2013, ischemic strokes accounted for approximately 70% and 50% of the cases, respectively. With patients still suffering from complications and stroke ... ...

    Abstract Introduction: Amongst the 25.7 million survivors and 6.5 million deaths from stroke between 1990 and 2013, ischemic strokes accounted for approximately 70% and 50% of the cases, respectively. With patients still suffering from complications and stroke recurrence, more questions have been raised as to how we can better improve patient management.
    Areas covered: The Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement and Newcastle-Ottawa Scale (NOS) were adopted to ensure a comprehensive inclusion of quality literature from various sources. PubMed and Embase were searched for evidence on thrombolysis, mechanical thrombectomy, artificial intelligence (AI), antiplatelet therapy, anticoagulation and hypertension management.
    Expert opinion: The directions of future research in these areas are dependent on the current level of validation. Endovascular therapy and applications of AI are relatively new compared to the other areas discussed in this review. As such, future studies need to focus on validating their efficacy. As for thrombolysis, antiplatelet and anticoagulation therapy, their efficacy has been well-established and future research efforts should be directed toward adjusting its use according to patient-specific factors, starting with factors with the most clinical relevance and prevalence.
    MeSH term(s) Artificial Intelligence ; Brain Ischemia/complications ; Brain Ischemia/therapy ; Endovascular Procedures ; Humans ; Ischemic Stroke ; Stroke/therapy ; Thrombectomy ; Thrombolytic Therapy
    Language English
    Publishing date 2020-11-02
    Publishing country England
    Document type Journal Article ; Review
    ZDB-ID 2112534-X
    ISSN 1744-8360 ; 1473-7175
    ISSN (online) 1744-8360
    ISSN 1473-7175
    DOI 10.1080/14737175.2021.1836963
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Spiked Helmet Electrocardiographic Sign-A Systematic Review of Case Reports.

    Mahmoudi, Elham / Hui, Jeremy Man Ho / Leung, Keith Sai Kit / Satti, Danish Iltaf / Lee, Yan Hiu Athena / Li, Ka Hou Christien / Lau, Dawnie Ho Hei / Kot, Thompson Ka Ming / Ciobanu, Ana / Bazoukis, George / Chan, Jeffrey Shi Kai / Baranchuk, Adrian

    Current problems in cardiology

    2022  Volume 48, Issue 3, Page(s) 101535

    Abstract: First reported in 2011, the spiked helmet sign (SHS) is an electrocardiographic pattern of ST-segment elevation anecdotally associated with poor prognosis. This study aims to systematically evaluate the electrocardiographic characteristics, clinical ... ...

    Abstract First reported in 2011, the spiked helmet sign (SHS) is an electrocardiographic pattern of ST-segment elevation anecdotally associated with poor prognosis. This study aims to systematically evaluate the electrocardiographic characteristics, clinical presentations, and outcomes of all cases of SHS reported in the literature. PubMed, Scopus, Web of Science, and EMBASE were searched electronically from their inception until November 2022. The Joanna Briggs Institute Critical Appraisal Checklist for Case Reports was used to critically appraise included studies. Studies written in English describing at least one patient with SHS were included. Altogether, 26 case reports or series describing 39 patients with SHS were included. All included studies were rated of acceptable quality. Associated conditions were heterogeneous, with intracranial hemorrhagic complications being the most common (9 patients), followed by pneumothorax (6 patients) or severe pneumonia (4 patients), bowel ischemia or obstruction (6 patients), and autonomic dysfunction (3 patients with Takotsubo cardiomyopathy and 3 patients with spinal injury, cocaine overuse, and stellate gangliectomy). Two patients had multiple complications and 12 other patients suffered from sepsis, myocardial infarction, etc. Clinical outcomes were reported for 32 patients, of whom 19 (59%) died during hospitalization (6 patients with pneumothorax or pneumonia, 4 patients with intracranial hemorrhagic complications, 2 patients with bowel ischemia or obstruction, and 7 patients due to other reasons). SHS may be associated with poor prognosis, necessitating its prompt recognition by clinicians and swift evaluation for underlying causes. Larger studies are needed to elucidate its prevalence, clinical implications, and precipitating mechanisms.
    MeSH term(s) Humans ; Pneumothorax/diagnosis ; Pneumothorax/etiology ; Head Protective Devices ; Electrocardiography ; Myocardial Infarction/diagnosis ; Hospitalization
    Language English
    Publishing date 2022-12-07
    Publishing country United States
    Document type Systematic Review ; Case Reports ; Journal Article ; Review
    ZDB-ID 441230-8
    ISSN 1535-6280 ; 0146-2806
    ISSN (online) 1535-6280
    ISSN 0146-2806
    DOI 10.1016/j.cpcardiol.2022.101535
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article: A rare case of

    Ngan, Alex Tsz Lai / Lee, Sharen / Liu, Tong / Tam, Mark / Li, Ka Hou Christien / Wong, Michelle Vangi / Lam, Michael Huen Sum / Tse, Gary / Lakhani, Ishan

    Journal of geriatric cardiology : JGC

    2019  Volume 16, Issue 1, Page(s) 63–66

    Language English
    Publishing date 2019-02-08
    Publishing country China
    Document type Journal Article
    ZDB-ID 2421391-3
    ISSN 1671-5411
    ISSN 1671-5411
    DOI 10.11909/j.issn.1671-5411.2019.01.009
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article: Arrhythmogenic Mechanisms in Hypokalaemia: Insights From Pre-clinical Models.

    Tse, Gary / Li, Ka Hou Christien / Cheung, Chloe Kwong Yee / Letsas, Konstantinos P / Bhardwaj, Aishwarya / Sawant, Abhishek C / Liu, Tong / Yan, Gan-Xin / Zhang, Henggui / Jeevaratnam, Kamalan / Sayed, Nazish / Cheng, Shuk Han / Wong, Wing Tak

    Frontiers in cardiovascular medicine

    2021  Volume 8, Page(s) 620539

    Abstract: Potassium is the predominant intracellular cation, with its extracellular concentrations maintained between 3. 5 and 5 mM. Among the different potassium disorders, hypokalaemia is a common clinical condition that increases the risk of life-threatening ... ...

    Abstract Potassium is the predominant intracellular cation, with its extracellular concentrations maintained between 3. 5 and 5 mM. Among the different potassium disorders, hypokalaemia is a common clinical condition that increases the risk of life-threatening ventricular arrhythmias. This review aims to consolidate pre-clinical findings on the electrophysiological mechanisms underlying hypokalaemia-induced arrhythmogenicity. Both triggers and substrates are required for the induction and maintenance of ventricular arrhythmias. Triggered activity can arise from either early afterdepolarizations (EADs) or delayed afterdepolarizations (DADs). Action potential duration (APD) prolongation can predispose to EADs, whereas intracellular Ca
    Language English
    Publishing date 2021-02-03
    Publishing country Switzerland
    Document type Journal Article ; Review
    ZDB-ID 2781496-8
    ISSN 2297-055X
    ISSN 2297-055X
    DOI 10.3389/fcvm.2021.620539
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Correction to: Restitution metrics in Brugada syndrome: a systematic review and meta-analysis.

    Tse, Gary / Lee, Sharen / Gong, Mengqi / Mililis, Panagiotis / Asvestas, Dimitrios / Bazoukis, George / Roever, Leonardo / Jeevaratnam, Kamalan / Hothi, Sandeep S / Li, Ka Hou Christien / Liu, Tong / Letsas, Konstantinos P

    Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing

    2020  Volume 57, Issue 2, Page(s) 329

    Abstract: The original version of this article unfortunately has a typo error. The name of the author "Kamalan Jeeveratnam" should be presented as "Kamalan Jeevaratnam" as shown above. ...

    Abstract The original version of this article unfortunately has a typo error. The name of the author "Kamalan Jeeveratnam" should be presented as "Kamalan Jeevaratnam" as shown above.
    Language English
    Publishing date 2020-01-15
    Publishing country Netherlands
    Document type Journal Article ; Published Erratum
    ZDB-ID 1329179-8
    ISSN 1572-8595 ; 1383-875X
    ISSN (online) 1572-8595
    ISSN 1383-875X
    DOI 10.1007/s10840-019-00701-0
    Database MEDical Literature Analysis and Retrieval System OnLINE

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