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Cursul 19-Profilaxia bolilor genetice

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Screening-ul neonatal in PKU<br />

• Incidenta: 1/10000-1/13000nn<br />

• Deficit de PAH<br />

• AR<br />

• Netratata-> 95% retard mental sever<br />

• Test Guthrie- varsta de 2-3 zile=picaturi de<br />

sange pe hartie de filtru speciala+ Bacillus<br />

subtillis<br />

• Dozarea fenilalaninei (>20mg/dl) si a tirozinei<br />

din plasma;<br />

• sensibilitate:95%; specificitate:100%.<br />

32

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