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  1. Raffali MA, Muhammad SF, Hamid HA, Nawi AM, Kamaruddin NA
    J ASEAN Fed Endocr Soc, 2021;36(1):37-44.
    PMID: 34177086 DOI: 10.15605/jafes.036.01.15
    Objectives: A history of severe hypoglycemia (SH) is associated with cardiovascular (CV) events among patients with type 2 diabetes mellitus (T2DM). In this study, we compared the severity of atherosclerotic coronary artery disease (ACAD) in T2DM patients with and without a history of SH.

    Methodology: We conducted a comparative case-control study involving 28 T2DM patients with a history of SH within the last 5 years with no documented ACAD, and matched them with 28 T2DM patients with no history of SH. All subjects underwent coronary artery calcium scoring (CACS) with or without coronary computed tomographic angiography (CCTA) to evaluate the severity of ACAD.

    Results: A history of SH in T2DM was associated with a higher prevalence of significant ACAD (79% versus 46%, p=0.026). A high CACS (≥100) was seen in a greater number of patients with a history of SH compared to those without (75% versus 43%, p=0.029). Similarly, there was a higher prevalence of obstructive CAD in those with a history of SH compared to those without (72% versus 39%, p=0.036). Median C-reactive protein level was also higher among patients with a history of SH (0.41 mg/dL versus 0.16 mg/dL, p=0.029).

    Conclusion: In patients with T2DM, a history of SH is significantly associated with ACAD compared to those without SH. A history of SH warrants screening for ACAD.

  2. Roslan MH, Raffali MA, Mohamad SF, Nik Mahmood NRK, Che Hassan HH
    J ASEAN Fed Endocr Soc, 2023;38(2):94-100.
    PMID: 38045657 DOI: 10.15605/jafes.038.02.23
    OBJECTIVE: Obesity is known to be associated with left ventricular diastolic dysfunction due to its effect on blood pressure and glucose tolerance. We aimed to investigate whether weight loss after bariatric surgery might improve diastolic dysfunction through in-depth echocardiographic examination.

    METHODOLOGY: We recruited twenty-eight patients who were about to undergo bariatric surgery by purposive sampling. They underwent echocardiography at baseline and 6 months after surgery with a focus on diastolic function measurements and global longitudinal strain (GLS). They also had fasting serum lipid and glucose measurements pre- and post-surgery.

    RESULTS: The mean weight loss after surgery was 24.1 kg. Out of the 28 subjects, fifteen (54%) initially had diastolic dysfunction before surgery. Only two had persistent diastolic dysfunction 6 months after surgery. The mean indexed left atrial volume 6 months post-surgery was 27.1 from 32 ml/m2 prior to surgery. The average E/e' is 11.78 post-surgery from 13.43 pre-surgery. The left ventricular GLS became (-)25.7% after surgery from (-)21.2% prior to surgery. Their post-surgery fasting serum lipid and glucose levels also showed significant improvement.

    CONCLUSION: Our study reinforced the existing evidence that bariatric surgery significantly improved echocardiographic parameters of diastolic function and left ventricular global longitudinal strain, along with various metabolic profiles.

  3. Raffali MA, Muhammad SF, Tiau Wei Jyung P, Farouk D, Zohdi A, Che Hassan HH
    JACC Case Rep, 2021 Nov 03;3(15):1661-1666.
    PMID: 34766014 DOI: 10.1016/j.jaccas.2021.08.020
    A 33-year-old woman with newly diagnosed disseminated tuberculosis presented with acute heart failure and incidental findings of intracardiac thrombus, demonstrating possible tuberculous myocarditis. (Level of Difficulty: Intermediate.).
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