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All Journal Indonesian Journal of Cardiology Jurnal Mekanova : Mekanikal, Inovasi dan Teknologi Heart Science Journal Narra J The Journal of Society Medicine (JSOCMED) Satera: Jurnal Sains dan Teknik Terapan
Habib, Faisal
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Aerospace Engineering Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Electrical & Electronics Engineering Engineering Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Neuroscience Public Health

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The Relationship between Transient Ischemic Dilation (TID) and Severity of Coronary Artery Disease (CAD) in Patients with Chronic Coronary Syndrome (CCS) in Haji Adam Malik Medan, Indonesia Tamba, Ratna Mariana; Lubis, Hilfan Ade Putra; Mukhtar, Zulfikri; Sitepu, Andika; Habib, Faisal; Andra, Cut Aryfa; Haykal, T. Bob
Journal of Society Medicine Vol. 2 No. 9 (2023): September
Publisher : CoinReads Media Prima

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47353/jsocmed.v2i9.88

Abstract

Introduction: TID ratio derived from ratio of LV volume in stress and rest phase of MPS. It is said that this phenomenon has been a useful marker of severe CAD, that can be present with atypical angina. This occurs due to global myocardial hypoperfusion caused by severe and extensive CAD. Method: This study was an analytic observational study with a retrospective cohort design in CCS patients who underwent Myocardial Perfusion SPECT at Haji Adam Malik General Hospital from January 2022 to April 2023.  All participants underwent MPS with Tc99m sestamibi with pharmacology Adenosine stress test and coronary angiography. The MPS could be performed before or after coronary angiography without any revascularization procedure between the two examination preocedures. An unpaired t-test analysis was performed to find the mean difference in TID values in the mild CAD and moderate-severe CAD groups. Results: The study subjects totaled 93 people with an average age of 55.87±7.44. It was found that the TID value was significantly different between the two groups of mild and moderate-severe CAD based on Syntax score, 0.906±0.13 vs 1.03±0.11 in the mild vs moderate-severe CAD group (p<0.001). Bivariate analysis showed that in this study, the ratio of TID was only associate with LV ESV and LV EDV in stress phase of MPS (p = 0.001). Conclusion: There is a relationship between TID and CAD severity based on Syntax score with higher TID values in patients with moderate-severe CAD compared to patients with mild CAD. TID ratio was only depends on severity od CAD and directly proportional to the volume of LV in the stress phase, suitable to the theory that said TID ratio comes from ratio of LV volume in stress and rest phase of MPS.
The IndONEsia ICCU Registry Juzar, Dafsah Arifa; Bagaswoto, Hendry Purnasidha; Muzakkir, Akhtar Fajar; Habib, Faisal; Astiawati, Tri; Prasetya, Indra; Wirawan, Hendy; Ilhami, Yose Ramda; Djafar, Dewi Utari; Sungkar, Safir; Danny, Siska Suridanda
Jurnal Kardiologi Indonesia Vol 44 No 4 (2023): Indonesian Journal of Cardiology: October - December 2023
Publisher : The Indonesian Heart Association

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30701/ijc.1603

Abstract

Introduction: Patients in the Intensive Cardiovascular Care Unit (ICCU) often present with cardiovascular disease (CVD) issues accompanied by various non-cardiovascular conditions. However, a widely applicable scoring system to predict patient outcomes in the ICCU is lacking. Therefore, developing and validating scores for predicting ICCU patient outcomes are warranted. The aims of the IndONEsia ICCU (One ICCU) registry include developing an epidemiological registry of ICCU patients and establishing a multicentre research network to analyse patient outcomes. Methods and results: This nationwide multicenter cohort protocol will capture data from patients receiving cardiovascular critical care treatment in 10 Indonesian hospitals with ICCU facilities. Recorded data will encompass demographic characteristics, physical examination findings at hospital and ICCU admission, diagnoses at ICCU admission, therapy, intervention, complications on days 3 and 5 of in-ICCU care, in-hospital outcomes, and 30-day outcomes. Conclusion: The One ICCU is a large, prospective registry describing the care process and advancing clinical knowledge in ICCU patients. It will serve as an investigational platform for predicting the mortality of ICCU patients.
Perencanaan Pembangkit Listrik Berbasis Flywheel Ganda Jaya, Muh. Aksan; Hamri, Hamri; Habib, Faisal; Efendi, Rustam
Jurnal Mekanova : Mekanikal, Inovasi dan Teknologi Vol 8, No 1 (2022): April
Publisher : universitas teuku umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (646.456 KB) | DOI: 10.35308/jmkn.v8i1.4126

Abstract

Energi listrik merupakan kebutuhan vital di abad 21 ini. Sumber energi listrik selama ini bersumber dari energi fosil terus mengalami penurunan pasokan dan berbagai macam isu lingkungan akan penggunaan energi fosil. Salah satu yang dapat dilakukan untuk mengatasi permasalahan tersebut adalah menggunakan energi yang memungkin diambil kembali. Flywheel Energy Storage System merupakan salah satu yang bisa dikembangkan, dengan adanya energi kinetik yang dimiliki oleh flywheel memungkin untuk menaikkan kapasitas penyediaan energi. Tujuan penelitian ini adalah merancang dan menguji pembangkit energi berbasis flywheel. Metode perencanaan adalah metode perhitungan elemen mesin. Hasil perhitungan perencanaan pembangkit listrik berbasis flywheel didapatkan kecepatan sudut flywheel (ω) sebesar 181,42 rad/s, momen inersia 0,35 kg/m², torsi 4,28 Nm, energi kinetik 5.825 Joule. Perbandingan putaran (i) motor listrik-flywheel sebesar 1,3 dan flywheel-generator 1, ukuran V Belt motor listrik-flywheel adalah A-43 dan flywheel-generator A-45.
Hypocapnia and its relationship with in-hospital mortality in acute heart failure patients: Insights from the Indonesian multicenter ICCU registry Prasetya, Indra; Afifah, Yuri; Anjarwani, Setyasih; Juzar, Dafsah A.; Bagaswoto, Hendry P.; Muzakkir, Akhtar F.; Habib, Faisal; Astiawati, Tri; Wirawan, Hendy; Ilhami, Yose R.; Djafar, Dewi U.; Sungkar, Safir; Danny, Siska S.; Rohman, Mohammad S.
Narra J Vol. 5 No. 1 (2025): April 2025
Publisher : Narra Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52225/narra.v5i1.1638

Abstract

Acute heart failure (AHF) presents serious risks for hospitalized patients. The aim of this study was to explore the relationship between arterial partial pressure of carbon dioxide (PaCO2) levels and outcomes in AHF patients admitted to the intensive cardiovascular care unit (ICCU), utilizing data from the IndONEsia ICCU Registry (One ICCU Registry). A multicenter retrospective observational study was performed covering data between August 2021-2023. Participants were categorized by PaCO2 levels: hypocapnia (<35 mmHg), normocapnia (35–45 mmHg), and hypercapnia (>45 mmHg). The primary outcomes included ICCU mortality, in-hospital mortality, and 30-day mortality, whereas the length of the stays in the ICCU or hospital and ventilation requirement were set as the secondary outcomes. Mortality risks were assessed using Cox proportional hazards models. Of the 1,870 patients, 1,102 (58.96%) had hypocapnia, 645 (34.5%) had normocapnia, and 123 (6.5%) had hypercapnia. Hypocapnia patients had significantly higher ICCU, in-hospital, and at 30-day mortality rates compared to normocapnic patients (all p<0.001), along with longer lengths of stay in ICCU and in hospital (p<0.001). Hypocapnia significantly increased noninvasive and mechanical ventilation requirement compared to normocapnia patients. Multivariate analysis identified factors impacting patients’ survival, including age, treatment with angiotensin-converting enzyme inhibitors (ACEi)/angiotensin II receptor blockers (ARBs) drugs, and severity scores such as the quick sequential organ failure assessment (qSOFA) and simplified acute physiology score II (SAPS II). In conclusion, hypocapnia in AHF patients could increase in-hospital, ICU and 30-days mortality rates and length of hospital stays, as well as noninvasive and mechanical ventilation requirements.
Comparative predictive value of APACHE-II, SAPS-II and GRACE scores for mortality in acute coronary syndrome (ACS) patients: Evidence from Indonesia intensive cardiovascular care unit registry Prasetya, Indra; Hakim, Dennis I.; Anjarwani, Setyasih; Bagaswoto, Hendry P.; Muzakkir, Akhtar F.; Habib, Faisal; Astiawati, Tri; Wirawan, Hendy; Ilhami, Yose R.; Djafar, Dewi U.; Sungkar, Safir; Danny, Siska S.; Juzar, Dafsah A.
Narra J Vol. 5 No. 1 (2025): April 2025
Publisher : Narra Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52225/narra.v5i1.1911

Abstract

The Global Registry of Acute Coronary Events (GRACE) score is acknowledged for its ability to predict in-hospital mortality among patients with acute coronary syndrome (ACS). However, intensive care physicians often employ general prognostic scores such as Acute Physiologic and Chronic Health Evaluation II (APACHE-II) and Simplified Acute Physiology Score II (SAPS-II) to predict the mortality of ACS patients. However, their predictive values are not well-determined in predicting mortality in ACS treated in the cardiovascular care unit (CVCU). The aim of this study was to evaluate the performance of APACHE-II and SAPS-II scores in comparison with GRACE scores in predicting the CVCU mortality and in-hospital mortality of ACS patients admitted to CVCU. A multicenter retrospective cohort study was conducted using data from a registry of patients admitted to 10 hospitals in Indonesia between August 2021 and July 2023. This study evaluated the APACHE-II, SAPS-II, and GRACE scores for patients with ACS upon admission to CVCU. The area under the curve (AUC) of the receiver operating characteristic (ROC) was utilized to assess the discriminative ability for predicting mortality. Among the 12,950 admitted patients, 9,040 were diagnosed with ACS, and 6,490 patients were included in the final analysis. All three scoring systems had relatively good discriminative ability to predict CVCU mortality with APACHE-II having better results (AUC: 0.771; sensitivity: 63.9%; specificity: 78.7%) compared to GRACE (AUC: 0.726; sensitivity: 61.7%; specificity: 73.2%) and SAPS-II (AUC: 0.655; sensitivity: 38.9%; specificity: 85.2%). To predict in-hospital mortality, APACHE-II had better results (AUC: 0.815; sensitivity: 68.7%; specificity: 80.4%) compared to GRACE (AUC: 0.769; sensitivity: 64.6%; specificity: 77.5%) and SAPS-II (AUC: 0.683; sensitivity: 41.8%; specificity: 86.2%). APACHE-II had the best single risk factor for CVCU mortality (odds ratio (OR): 1.198; 95% confidence interval (CI): 1.181–1.214) and in-hospital mortality (OR: 1.259; 95%CI: 1.240–1.279). In conclusion, APACHE-II, SAPS-II, and GRACE scores moderately predict CVCU and in-hospital mortalities, with the APACHE-II score exhibiting the highest predictive capability in ACS patients admitted to CVCU.
The Analysis of the Effect of Low Hydrogen SMAW Electrode Drying Temperature on the Bending Strength of Low Carbon Steel Baso Palinrungi, Andi; Halim Asiri, Muhammad; Habib, Faisal
Jurnal Sains dan Teknik Terapan Vol. 3 No. 2 (2025): Jurnal Sains dan Teknik Terapan
Publisher : Unit Penelitian dan Pengabdian Kepada Masyarakat, AK-Manufaktur Bantaeng

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Pemilihan jenis elektroda pada pengelasan dapat menentukan kualitas hasil lasan. Elektroda low hydrogen dipastikan yang akan digunakan selalu kering, sebaiknya berada di lingkungan bebas dari kelembaban atau dalam kondisi siap pakai dan kering. Jika elektroda telah menyerap air melebihi batas yang diperbolehkan, maka elektroda tersebut harus dipanaskan sebelum digunakan pada saat mengelas untuk menghilangkan kandungan air. Penelitian ini bertujuan untuk menganalisa kekuatan bending pada material baja karbon rendah ST 37 pada pengelasan SMAW dengan suhu pengeringan. Hasil pengelasan dengan pemanasan elektroda dengan perlakuan panas 1500 C, 3000C dan tanpa perlakuan panas selama masing-masing 60 menit diuji menggunakan uji bending. Dari hasil data pengujian dan diolah dalam persamaan diperoleh pada pengujian bending didapatkan nilai tegangan bending tertinggi pada elektroda panas 3000C sebesar 1819,99 N/mm2 dan yang terendah pada elektroda tanpa perlakuan panas sebesar 574.43 N/mm2. Hasil penelitian ini menunjukkan bahwa pengaruh suhu pengering elektroda low hydrogen sangat berpengaruh terhadap kekuatan bending dari hasil pengelasan sesuai rekomendasi pabrikan elektroda.
Association between frontal QRS-T angle and thrombus burden in patients with ST-elevation myocardial infarction: A single-center cross-sectional study Azmi, Muhammad; Nasution, Ali Nafiah; Lubis, Hilfan Ade Putra; Siregar, Abdullah Afif; Habib, Faisal; Sitepu, Andika
Heart Science Journal Vol. 6 No. 4 (2025): The Pursuit of Precision: Navigating Risks, Refining Diagnosis, and Securing Lo
Publisher : Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.hsj.2025.006.04.13

Abstract

BACKGROUND: ST-Elevation Myocardial Infarction (STEMI) is one of the leading causes of global morbidity and mortality, with burden of thrombus as an influential factor of clinical outcomes. OBJECTIVES: The purpose of this study was to evaluate the relationship between frontal QRS-T (fQRST) angle and thrombus burden in STEMI patients. METHODS: A cross-sectional study was carried out at Haji Adam Malik General Hospital, Medan, between January 2024 and July 2024. STEMI patients who underwent coronary angiography were included. The fQRST angle was measured using a 12-lead electrocardiogram (ECG), the thrombus burden was graded according to the Thrombolysis in Myocardial Infarction (TIMI) grading system. Statistical analysis included Spearman's correlation and Receiver Operating Characteristic (ROC) curve analysis. RESULTS: 108 STEMI patients were included in the study. The fQRST angle was strongly positively correlated with thrombus burden (r = 0.61–0.80, p < 0.05). Patients with more thrombus burden had larger fQRST angles compared to patients with less thrombus burden. Additionally, diabetes mellitus and symptom delay exceeding 12 hours were highly correlated with higher thrombus burden (p < 0.05), whereas infarct-related artery (IRA) location was not significantly associated (p > 0.05). ROC curve demonstrated that the fQRST angle had an AUC of 0.88 (p = 0.001) At the optimal cut-off value of 61°, the sensitivity and specificity were 88.3% and 87.5% (95% CI of 88.5%–98.2).
Management of Decongestion in Acute Heart Failure: Time for a New Approach? Pramudyo, Miftah; Putra, Iwan Cahyo Santosa; Zulkarnain, Edrian; Danny, Siska Suridanda; Bagaswoto, Hendry Purnasidha; Anjarwani, Setyasih; Mazwar, Irmaliyas; Juzar, Dafsah Arifa; Pratama, Vireza; Habib, Faisal; Ispar, Akhtar Fajar Muzakkir Ali; Widyantoro, Bambang
Jurnal Kardiologi Indonesia Vol 43 No 2 (2022): Indonesian Journal of Cardiology: April - June 2022
Publisher : The Indonesian Heart Association

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30701/ijc.1381

Abstract

As the primary cause of hospitalization in acute heart failure (AHF) patients, congestion was responsible for a higher risk of mortality, rehospitalization, and renal dysfunction in AHF patients. Although loop diuretic was routinely used as the mainstay of AHF therapy, it is still ineffective to obtain the euvolemic state in most hospitalized AHF patients. Therefore, a higher loop diuretic dose was often required to increase the decongestion effect. However, consequently, it can cause several detrimental complications, including renal dysfunction, neurohormonal activation, hyponatremia, hypokalaemia, and reduced blood pressure, which eventually result in poor prognosis. Hence, the new approach may be proposed to optimize decongestion in acute phase, including the use of arginine vasopressin V2 receptor antagonist – Tolvaptan. As an additive therapy to loop diuretic in AHF patients, it can be considered due to its several beneficial effects, including greater decongestion effect, lowered worsening renal function incidence, counteract neurohormonal activation, neutralized hyponatraemic state, no alteration of potassium metabolism, stabilize the blood pressure, and reduced requirement of a higher dose of loop diuretic to achieve an equal or even greater decongestion effect compared to a high dose of loop diuretic alone. Tolvaptan provided favourable outcomes in several specific populations and was considered safe with several mild adverse effects. Several guidelines across countries have approved the use of Tolvaptan in AHF patients with or without hyponatremia. The initial dose of Tolvaptan was 7.5 to 15 mg and can be titrated up to 30 mg. However, further studies were still required to determine the timing dose and optimal dose of Tolvaptan in general and elderly populations with AHF, respectively.
Co-Authors Afifah, Yuri Andra, Cut Aryfa Anjarwani, Setyasih Astiawati, Tri Bagaswoto, Hendry P. Bambang Widyantoro Baso Palinrungi, Andi Danny, Siska S. Dewi U. Djafar, Dewi U. Dewi Utari Djafar, Dewi Utari Hakim, Dennis I. Halim Asiri, Muhammad Hamri, Hamri Haykal, T. Bob Hendry Purnasidha Bagaswoto Ilhami, Yose R. Ilhami, Yose Ramda Indra Prasetya Ispar, Akhtar Fajar Muzakkir Ali Jaya, Muh. Aksan Juzar, Dafsah A. Juzar, Dafsah Arifa Lubis, Hilfan Ade Putra Mazwar, Irmaliyas Mohammad S. Rohman Muhammad Azmi, Muhammad Mukhtar, Zulfikri Muzakkir, Akhtar F. Muzakkir, Akhtar Fajar Nasution, Ali Nafiah Pramudyo, Miftah Pratama, Vireza Putra, Iwan Cahyo Santosa Rustam Efendi Siregar, Abdullah Afif Siska Suridanda Danny Sitepu, Andika Sungkar, Safir Tamba, Ratna Mariana Wirawan, Hendy Zulkarnain, Edrian