PENENTUAN ANALISIS DOSIS RADIASI PEMERIKSAAN CT SCAN THORAX DENGAN I-DRL BERDASARKAN ATURAN BAPETEN

Oktarina Damayanti(1*), Ardiana Ardiana(2), Lili Julia Rahman(3), Putri Siti Saihan(4),

(1) Politeknik Al Islam Bandung
(2) Politeknik Al Islam Bandung
(3) Politeknik Al Islam Bandung
(4) Politeknik Al Islam Bandung

(*) Corresponding Author

Abstract


Penelitian ini bertujuan untuk mengevaluasi tingkat dosis radiasi pada pemeriksaan CT scan toraks non-kontras serta menilai kesesuaiannya dengan Indonesian Diagnostic Reference Level (I-DRL) yang ditetapkan oleh BAPETEN. Metode penelitian yang digunakan adalah deskriptif kuantitatif dengan pendekatan observasional, menggunakan data dari 30 pasien dewasa yang menjalani pemeriksaan di Instalasi Radiologi Rumah Sakit Dustira, Cimahi. Indeks dosis radiasi yang dianalisis meliputi CTDIvol dan DLP, kemudian dibandingkan dengan nilai I-DRL. Hasil penelitian menunjukkan bahwa nilai rata-rata CTDIvol sebesar 8,18 mGy dan DLP sebesar 358,97 mGy·cm masih berada di bawah batas acuan nasional masing-masing sebesar 11 mGy dan 430 mGy·cm, meskipun terdapat beberapa nilai yang melebihi batas yang direkomendasikan. Variasi dosis radiasi dipengaruhi oleh parameter teknis pemeriksaan dan karakteristik pasien. Temuan ini menunjukkan bahwa protokol pemeriksaan yang diterapkan secara umum telah memenuhi standar keselamatan radiasi, namun tetap diperlukan upaya optimasi dosis secara berkelanjutan serta audit berkala


Keywords


CT Scan, Diagnostic Reference Level, Radiasi

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DOI: https://doi.org/10.31596/jkm.v14i1.2997

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