Hubungan Shear Wave Elastography Ginjal dengan Estimated Glomerular Filtration Rate pada Pasien Penyakit Ginjal Kronik
DOI:
https://doi.org/10.21776/ub.jkb.2019.030.04.10Keywords:
Estimated glomerular filtration rate, penyakit ginjal kronik, shear wave velocity ginjalAbstract
Penyakit ginjal kronik (PGK) merupakan masalah kesehatan global dengan biaya ekonomi tinggi pada sistem kesehatan sehingga dibutuhkan modalitas pencitraan klinis non invasif untuk mendeteksi penyakit ginjal pada stadium awal. Shear wave elastography (SWE) merupakan pemeriksaan imaging untuk menilai tingkat keparahan dari perubahan morfologi kronik ginjal berdasarkan pengukuran elastisitas kortex. Penelitian ini bertujuan mengetahui hubungan antara SWE dengan estimated glomerular filtration rate (eGFR) sehingga SWE dapat direkomendasikan untuk deteksi dini tingkat keparahan penyakit ginjal kronik. Penelitian ini dilakukan di bagian Radiologi Rumah Sakit Umum Pusat Dr. Wahidin Sudirohusodo Makassar dari bulan September 2018 sampai dengan Februari 2019. Desain penelitian yang digunakan adalah observasional dengan rancangan potong lintang. Sampel penelitian sebanyak 118 sampel yang terdiri dari 71 sampel dengan penyakit ginjal kronik dan 47 sampel normal. Pemeriksaan ultrasonografi yang dilakukan dengan metode SWE untuk mengukur shear wave velocity (SWV) pada kedua ginjal dengan tiga kali pengukuran pada kortex ginjal. Nilai median dari SWV pada kedua ginjal dihubungkan dengan eGFR. Data dianalisis dengan uji korelasi Spearman. Hasil penelitian menunjukkan bahwa nilai median SWV pada kelompok sampel normal adalah 2,02±0,32m/s pada ginjal kanan 2,01±0,32m/s pada ginjal kiri yang cenderung menurun dengan bertambahnya usia. Terdapat korelasi positif yang signifikan antara nilai SWV pada ginjal kanan dan kiri dengan eGFR, dengan arah korelasi positif (p<0,0001). Pada penelitian ini, terdapat pula korelasi negatif yang signifikan antara tekanan darah dan proteinuria dengan eGFR maupun dengan SWV pada pasien penyakit ginjal kronik.
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