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All Journal Berkala Kedokteran Dimensi Utama Teknik Sipil
Halim, Sanjaya
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Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Health Professions Immunology & microbiology Medicine & Pharmacology Public Health

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The Utility of Alvarado Score, RIPASA Score, NLR, and PLR for Predicting Acute Appendicitis Halim, Sanjaya; Parinding, Imanuel Taba
Berkala Kedokteran Vol 20, No 2 (2024)
Publisher : Fakultas Kedokteran Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jbk.v20i2.20575

Abstract

Acute appendicitis requires fast and precise diagnosis. Delay in diagnosis will increase the risk of complications, as well as morbidity and mortality. Modalities such as ultrasound or CT scan are not always available. The purpose of this study was to analyze the Alvarado score, RIPASA score, NLR and PLR to predict the diagnosis of acute appendicitis in a type C Hospital. This research is an observational analytic study using a cross-sectional approach, from medical records. The diagnosis is made by surgeon based on clinical, laboratory, imaging findings, then confirmed by surgery and histopathology. From a total of 32 patients, there were 21 patients (66%) with a final diagnosis of acute appendicitis, and 11 patients (34%) with a final diagnosis of non-acute appendicitis. Alvarado score ³7 has an AUC value of 81.6%, with a sensitivity of 57.14%, a specificity of 81.82%. RIPASA score ³7.5 has an AUC value of 84.6% with a sensitivity of 80.95%, a specificity of 81.82%. NLR with a cut-off value of >4.49 can be used to detect acute appendicitis, and a cut-off value of >9.13 for perforated appendicitis. PLR with a cut-off value of >172.2 can be used to detect perforated appendicitis.
PENGEMBANGAN ELEMEN BALOK LENGKUNG DENGAN PEDEKATAN DEGENERATED SOLID Halim, Sanjaya; Wong, Foek Tjong
Dimensi Utama Teknik Sipil Vol. 11 No. 2 (2024): Oktober 2024
Publisher : Program Studi Magister Teknik Sipil - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/duts.11.2.77-93

Abstract

Salah satu teori untuk menganalisis balok lengkung dalam metode elemen hingga adalah degenerated solid beam. Fenomena yang umum terjadi pada elemen balok lengkung yaitu shear locking dan membrane locking. Koziey dan Mirza (1994) membuat perumusan baru untuk analisis belok lengkung berdasarkan third order shear deformation theory (TOSD). Pada perumusan degenerated solid beam element umumnya menerapkan first order shear deformation theory (FOSD) yang membutuhkan koefisien koreksi geser. Pada penelitian ini akan dikembangkan degenerated solid beam element dengan modifikasi metode least square smoothed assumed strain (LSSAS) untuk eleminasi locking. Selain itu, akan diteliti perbedaan elemen yang menggunakan FOSD dengan menggunakan TOSD. Hasil pengujian diperoleh bahwa metode LSSAS tidak efektif dalam membebaskan degenerated solid beam element dari locking dan consistent beam merupakan elemen yang belum stabil. Penggunaan perumusan TOSD memiliki performa yang sama dengan penggunaan perumusan FOSD.
Co-Authors Parinding, Imanuel Taba Wong, Foek Tjong