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All Journal International Journal of Integrated Health Sciences Indonesian Journal of Cardiology
Cool, Charlotte Johanna
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Health Professions Medicine & Pharmacology

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Novel Echocardiographic Parameter Assessing Pulmonary Vascular Resistance in Patient with Acyanotic Congenital Heart Disease Natadikarta, Muhammad Raihan Ramadhan; Cool, Charlotte Johanna; Khalid, Achmad Fitrah; Sukmadi, Norman; Martha, Januar Wibawa
Jurnal Kardiologi Indonesia Vol 45 No 4 (2024): Online First - Indonesian Journal of Cardiology April-June 2021
Publisher : The Indonesian Heart Association

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30701/ijc.1790

Abstract

Background Pulmonary vascular resistance (PVR) is an important variable in management of acyanotic congenital heart disease. Right heart catheterization (RHC) using impedance catheter remains gold standard for pulmonary vascular resistance (PVR) measurement. The ratio of peak tricuspid regurgitant velocity to the right ventricular outflow tract time-velocity integral (TRVmax/RVOTVTI) was presented as a reliable non-invasive method of estimating PVR. Recently, right ventricular 2-dimensional speckle tracking strain (RVGLS) was proven as a new promising parameter to evaluate PVR. This study performed to examine whether this new non-invasive variable ratio (TRVmax/RVGLS) provides clinically reliable method to determine pulmonary vascular resistance (PVR) obtained by echocardiography. Methods Right-heart catheterization and echocardiographic examination were performed in 56 patients with congenital heart disease. The ratio of TRVmax/RVOTVTI and TRVmax/RVGLS analysis performed using receiver-operating characteristic curve analysis, a cutoff value for the ratio was generated to determine PVR more than 5 WU. Results A TRVmax/RVOTVTI cutoff value of 0.21 provided a sensitivity of 77.1% and a specificity of 81% (CI 81% to 97.5%) and TRVmax/RVGLS cutoff value of -23.16 provided sensitivity of 74.3% and a specificity of 90.5% to determine PVR > 5 WU (CI 79.6% to 98.2%). Conclusions The echocardiography parameter (TRVmax/RVGLS) could serve as a dependable noninvasive method to predict PVR greater than 5 WU in acyanotic congenital heart disease patients.
Mexiletine in the treatment of LQT2, LQT3, and acquired LQTS: a meta-analysis Ihsan, Dhiya; Iqbal, Mohammad; Cool, Charlotte Johanna; Achmad, Chaerul; Pramudyo, Miftah; Prameswari, Hawani Sasmaya; Akbar, Mohammad Rizki
Jurnal Kardiologi Indonesia Vol 46 No 2 (2025): April - June, 2025
Publisher : The Indonesian Heart Association

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30701/ijc.1835

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Background: High mortality in patients with Long QT Syndrome (LQTS) can be reduced with proper treatment. Gene-specific therapy is crucial, as many treatments are not equally effective across different LQTS types. While mexiletine has been established in the treatment of LQT3, its use in other types of LQT need further evaluation. Methods: A meta-analysis was conducted using systematic electronic searches of PubMed, Embase, and Cochrane Library. We assessed QTc reduction and cardiac events after Mexiletine treatment. Inclusion criteria: any study with no language restriction that diagnoses any type of LQTS, uses mexiletine treatment, and provides QTc comparison before and after treatment. Animal studies were excluded. The NIH Study Quality Assessment Tools and Newcastle-Ottawa Scale were used to evaluate bias. Data were analyzed using Review Manager 5.4 and MedCalc software Results: Nine studies (n=281) were included. Mexiletine reduced QTc by -64ms (mean difference [MD], -64.22; 95% confidence interval [CI] -76.13 to -52.30; p<.001; I2 60%). Sensitivity and subanalyses showed consistent efficacy. In five studies (n=76), the number of patient with high-risk QTc (>500ms) significantly decreased (Risk Ratio [RR], 0.38; 95% CI 0.26-0.55; p<.001). Five studies (n=141) showed a significant reduction in cardiac events (RR, 0.25; 95% CI 0.14-0.44; p<.001). Two studies reported gastrointestinal (GI) problems and vertigo as side effects of mexiletine treatment. Conclusion: Mexiletine significantly reduces QTc and cardiac events in LQT2, LQT3, and aLQT patients. Mexiletine also significantly reduces the number of Long QT patients with high-risk QTc Funding: No external funding was received for this study Registration: CRD420250652574
Predictors of In-Hospital Mortality in Patients with Infective Endocarditis: A Single-Center Study Hanim, Haifany Fauziyah; Ikhsani, Rizkania; Yudharaputri, Digita Natarina; Cool, Charlotte Johanna; Hasan, Melawati
International Journal of Integrated Health Sciences Vol 13, No 1 (2025)
Publisher : Faculty of Medicine Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15850/ijihs.v13n1.3753

Abstract

Background: Infective endocarditis remains a life-threatening condition with high in-hospital mortality, necessitating identification of predictive clinical factors.Objective: To identify predictors of in-hospital mortality in infective endocarditis (IE) patients.Methods: This single-center retrospective study included 88 patients with IE aged ≥ 18 years treated at Dr. Hasan Sadikin General Hospital, Bandung, Indonesia, between September 2019 and May 2023. During hospitalization, data regarding clinical characteristics, blood cultures, and clinical outcomes were assessed to identify the predictors of in-hospital mortality. Data were analyzed using chi-square and binary logistic regression.Results: Among 88 patients with IE, the majority were male (56.8%) and aged < 60 years old (78%). More than two-thirds of patients had valvular heart disease. During treatment, 22 patients (25%) underwent cardiac surgery, and the total in-hospital mortality rate was 35.2%. Although not statistically significant, in-hospital mortality rate was lower in operated patients (22.7% vs 39.4%). In multivariate analysis, septic shock was the only significant predictor of in-hospital mortality (OR 40, 95% CI: 4.7–339, p 0.001)Conclusion: Septic shock is a strong predictor of in-hospital mortality among patients with infective endocarditis. Invasive management by cardiac surgery does not significantly decrease the mortality risk.
Co-Authors Akbar, Mohammad Rizki Chaerul Achmad Hanim, Haifany Fauziyah Hasan, Melawati Ihsan, Dhiya Ikhsani, Rizkania Januar Wibawa Martha Khalid, Achmad Fitrah Natadikarta, Muhammad Raihan Ramadhan Prameswari, Hawani Sasmaya Pramudyo, Miftah Sukmadi, Norman Yudharaputri, Digita Natarina