Djoko Soelistijono (2007) Nilai Diagnostik Ultrasonografi Infrakoksigeal Dibandingkan dengan Lopografi Distal Pada Malformasi Anorektal. Thesis thesis, UNIVERSITAS AIRLANGGA.

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Abstract

Background: Anorectal malformation is often found in neonates with the prevalence of I every 5000 birth. Ultrasonography (US) is the imaging of choice to determine the level of distal end of rectum and the presence of fistula. This examination is easy, not invasive, doesn't need special preparation, can be done earlier and only need 3-5 minutes to perform. Therefore, morbidity can be reduced especially in the fonn of distention and its complication. Objective : To assess the sensitivity and specificity of infracoccygeal US in babies with ARM and comparing it to distalloopography examination. Method: This research is an analyticaJ observational study. comparing infracoccygeal US with distal Lopography in babies with ARM. On each baby . we perfonned examination twice, infracoccygeal US and distal loopograpby after colostomy. The result is interpreted by radiologist. We analyze the sensitivity and specificity of the tests. Result: From 20 samples that we examine by infracoccygeal US and distal loopography to detennine the height of the distal end of rectum, 16 have the same result, 2 with low position and 14 with high position. On examination to detennine the presence of fistula, we found 14 sample with the same results, 3 with fistula and II without fistula Conclusion : Compared to distal loopography, infracoccygeal US had the sensitivity of 0,5 and specificity of 0,88 to determine the height of the distal end of rectum, while to detect tbe presence of fistula infracoccygeal US had the sensitivity of 0,75 and specificity of 0,69.

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