Tesis

Korelasi CT Angulometri-Tetrahedron Hepar dengan SACT Volumetri Hepar dalam Menentukan Volume Segmen Lateral Kiri Hepar = Correlation between CT Angulometry-Tetrahedron and SACT Volumetry in Estimating Left Lateral Liver Segment Volume.

Latar Belakang : Pada transplantasi Left lateral segment (LLS) donor hepar pasien hidup penting untuk mengetahui volume hepar preoperatif, saat ini SACT mahal dan hanya tersedia di fasilitas tertentu sehingga dibutuhkan metode volumetri baru tanpa program khusus yang sederhana dan murah. Kianmanesh et al dapat menentukan rasio LLS terhadap total liver volume (TLV) sedangkan Muggli et al dapat menentukan TLV secara akurat. Belum ada penelitian yang menilai volumetri hepar berdasarkan kombinasi sudut dan cross sectional dengan menggunakan CT scan. Tujuan : Menilai korelasi CT angulometri-tetrahedron hepar dibandingkan SACT terhadap berat hepar LLS intraoperatif. Metode : Penelitian ini menggunakan desain potong lintang dengan menggunakan data sekunder. Sampel penelitian berjumlah 29 donor hidup transplantasi hepar LLS yang telah menjalani pemeriksaan CT scan di Departemen Radiologi RSUPN Cipto Mangunkusumo periode Januari 2010 hingga januari 2018. Dilakukan penghitungan volume hepar berdasarkan tetrahedron dikalikan dengan rasio sudut angulometri sehingga didapatkan volume LLS angulometri tetrahedron. Hasil : Korelasi positif volume angulometri-tetrahedron dan SACT (r=0,41; p =0,027) didapatkan rumus Vol SACT = 161,84 + (0,18 * Vol LLS). Korelasi positif volume SACT dan berat hepar intraoperatif (r= 0,64; p=0,000) dengan rumus berat hepar intraoperatif = 35,18 + (0,95 * Vol SACT). Kesimpulan : Terdapat korelasi positif sedang antara pengukuran volumetri CT angulometritetrahedron dan SACT namun tidak terdapat korelasi antara pengukuran CT angulometritetrahedron dengan berat hepar LLS intraoperatif.
Kata kunci : Volume hepar, CT scan, Angulometri, Tetrahedron, SACT


Background : Preoperative liver volume is crucial in Left Lateral Segment (LLS) Living donor liver transplantation, SACT is currently expensive and available only in certain facilities, in searching simple and inexpensive volumetric program, Kianmanesh et al can determine the ratio of LLS to total liver volume (TLV) while Muggli et al can accurately determine TLV. Until now there are no study that combine ratio angles and cross sectional using CT scans to determine LLS volume. Purpose : To obtain the correlation values between CT angulometri-tetrahedron and intraoperative LLS liver graft weight. Method : This study used cross sectional design using secondary data. The sample of the study was 29 donors of LLS living donor liver transplant who had undergone CT scan at Radiology Department of Cipto Mangunkusumo Hospital from January 2010 to January 2018. The liver volume calculation was performed by tetrahedron multiplied by angulometric angle ratio so that the LLS angulometry tetrahedron volume was obtained. Results : Positive correlation of volume angulometry-tetrahedron and SACT (r = 0.41, p = 0,027) obtained the formula of Vol SACT = 161,84 + (0,18 * Vol LLS). Positive correlation SACT volume and intraoperative liver weight (r = 0.64, p = 0,000) with intraoperative liver weight formula = 35.18 + (0.95 * Vol SACT). Conclusion : There was a moderate positive correlation between volumetric measurements of angulometric-tetrahedron CT and SACT but no correlation between measurement of angulometric-tetrahedron CT and intraoperative LLS liver weight.
Keywords : Liver volume, CT scan, Angulometry, Tetrahedron, SACT