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PERAN RASIO SFLT-1/PLGF SEBAGAI BIOMARKER PREDIKTIF PADA PREEKLAMSIA DAN PERTUMBUHAN JANIN TERHAMBAT

Abstract

Preeklamsia masih menjadi salah satu penyebab utama meningkatnya morbiditas dan mortalitas maternal serta perinatal. Gangguan plasentasi yang menyebabkan ketidakseimbangan antara faktor anti-angiogenik dan pro-angiogenik berperan penting dalam proses terjadinya penyakit ini. Rasio sFlt-1/PlGF muncul sebagai biomarker yang memberikan kemampuan prediksi lebih unggul terhadap risiko preeklamsia maupun pertumbuhan janin terhambat (PJT). Rasio yang meningkat mencerminkan dominasi faktor anti-angiogenik sehingga mengindikasikan disfungsi vaskular yang lebih berat. Berbagai studi menunjukkan akurasi tinggi rasio ini dalam memprediksi onset preeklamsia, menyingkirkan diagnosis pada kasus risiko tinggi, serta mengidentifikasi potensi komplikasi obstetri termasuk PJT. Nilai cutoff tertentu juga terbukti berkorelasi dengan luaran kehamilan yang buruk, risiko persalinan prematur, dan kejadian preeklamsia postpartum. Integrasi rasio sFlt-1/PlGF dengan modalitas lain seperti Doppler arteri uterina semakin meningkatkan nilai prediktifnya. Konsistensi kinerja rasio meskipun terdapat variasi analitik pada pengukuran PlGF memperkuat posisinya sebagai biomarker yang andal. Pemanfaatan rasio ini diharapkan mendukung deteksi dini, pengambilan keputusan klinis, serta pemantauan risiko preeklamsia dan PJT secara lebih tepat. 

Preeclampsia remains a major contributor to maternal and perinatal morbidity and mortality. Impaired placentation leading to an imbalance between anti-angiogenic and pro-angiogenic factors plays a central role in its pathogenesis. The sFlt-1/PlGF ratio has emerged as a biomarker with superior predictive performance for assessing the risk of preeclampsia and fetal growth restriction (FGR). Elevated ratios reflect increased anti-angiogenic activity and indicate more severe vascular dysfunction. Multiple studies demonstrate high accuracy of this ratio in predicting disease onset, ruling out preeclampsia in high-risk pregnancies, and identifying obstetric complications including FGR. Specific cutoff values correlate with adverse pregnancy outcomes, preterm delivery, and postpartum preeclampsia. Integration of the sFlt-1/PlGF ratio with complementary tools such as uterine artery Doppler further enhances its predictive value. Reliability of the ratio remains consistent despite analytical variability in PlGF measurements, reinforcing its utility as a robust clinical biomarker. Application of this ratio is expected to support earlier detection, more informed clinical decision-making, and improved monitoring of preeclampsia and FGR risk.

Keywords

sFlt-1, PlGF, rasio sFlt-1/PlGF, preeklamsia, pertumbuhan janin terhambat, biomarker prediktif., sFlt-1, PlGF, sFlt-1/PlGF ratio, preeclampsia, fetal growth restriction, predictive biomarker.

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