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    Nilai Diagnostik Rasio Tekanan Darah terhadap Tinggi Badan dalam Diagnosis Hipertensi pada Remaja

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    Date
    2016
    Author
    Ambarita, Kristina
    Advisor(s)
    Ramayani, Oke Rina
    Lubis, Munar
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    Abstract
    Background: Diagnosis of hypertension in children and adolescents is complicated. The blood pressure to height ratio (BPHR) has been reported as screening tool for diagnosing hypertension. Objective: To evaluate diagnostic value of blood pressure to height ratio for diagnosing hypertension. Methods: A cross sectional study was conducted among 432 healthy school adolescents aged 12-17 years in Singkuang, North Sumatera from April to May 2016. The Fourth Report from the National High Blood Pressure Education Program Working Group on Children and Adolescents was used as gold standard. Sex specific systolic and diastolic blood pressure to height ratios (SBPHR and DBPHR) were calculated. ROC curve analyses were performed to assess the diagnostic accuracy with P value < 0.05 was considered statistically significant. Optimal thresholds were determined and validated using 2x2 table. Results: The accuracies of BPHR in both sexes were all > 90% (P<0.001). The optimal thresholds of SBPHR and DBPHR to define hypertension were 0.787 and 0.507 in boys and 0.836 and 0.541 in girls. The sensitivities of SBPHR and DBPHR in both sexes were all > 93%, specificities in both sexes were all 81%, positive predictive values in boys were 38.7% and 45.2% and in girls were 55.9% and 42.4%, negative predictive values in both sexes were all >97%, positive likelihood ratios in both sexes were all 5, negative likelihood ratios in both sexes were all <1. Conclusion: BPHR is a simple screening tool with high sensitivity and specificity for diagnosing hypertension in adolescents. Race specific thresholds are however needed.
     
    Latar belakang: Diagnosis hipertensi pada anak dan remaja tergolong komplit. Rasio tekanan darah terhadap tinggi badan telah dilaporkan sebagai alat skrining untuk diagnosis hipertensi. Tujuan: Untuk mengevaluasi nilai diagnostik rasio tekanan darah terhadap tinggi badan dalam diagnosis hipertensi pada remaja. Metode: Studi potong lintang dilakukan pada 432 remaja sehat berusia 12 hingga 17 tahun di desa Singkuang, Sumatera Utara sejak bulan April hingga Mei 2016. The Fourth Report from the National High Blood Pressure Education Program (NHBPEP) Working Group on Children and Adolescents tahun 2004 digunakan sebagai baku emas. Rasio tekanan darah sistolik dan diastolik terhadap tinggi badan (TDS/TB dan TDD/TB) dihitung berdasarkan jenis kelamin. Analisis kurva receiver operating characteristic (ROC) dilakukan untuk menentukan keakuratan rasio TDS/TB dan TDD/TB dalam diagnosis hipertensi dengan nilai P<0.05 dinyatakan bermakna. Titik potong optimal ditentukan dan divalidasi menggunakan analisis tabel 2x2. Hasil: Keakuratan rasio tekanan darah terhadap tinggi badan dalam diagnosis hipertensi pada remaja adalah >90% (P<0.05). Titik potong optimal rasio TDS/TB dan TDD/TB dalam diagnosis hipertensi pada remaja laki-laki adalah 0.787 dan 0.507, pada perempuan adalah 0.836 dan 0.541. Sensitivitas rasio TDS/TB dan TDD/TB pada masing-masing jenis kelamin adalah >93%, spesifisitas pada masing-masing jenis kelamin adalah 81%, nilai duga positif pada remaja laki-laki adalah: 38.7% dan 45.2%; pada perempuan adalah 55.9% dan 42.4%, nilai duga negatif pada masing-masing jenis kelamin adalah >97%, rasio kemungkinan positif pada masing-masing jenis kelamin adalah 5, dan rasio kemungkinan negatif pada masing-masing jenis kelamin adalah <1. Kesimpulan: Rasio tekanan darah terhadap tinggi badan merupakan metode sederhana dengan sensitivitas dan spesifisitas yang tinggi dalam mendiagnosis hipertensi pada remaja. Diperlukan penelitian lanjutan pada ras yang berbeda.

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    Repositori Institusi Universitas Sumatera Utara (RI-USU)
    Universitas Sumatera Utara | Perpustakaan | Resource Guide | Katalog Perpustakaan
    DSpace software copyright © 2002-2016  DuraSpace
    Contact Us | Send Feedback
    Theme by 
    Atmire NV