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lüll Nonvascular needle and shunt placements for fetal therapy Holzgreve W; Evans MIWest J Med 1993[Sep]; 159 (3): 333-40The nonvascular placement of needles and shunts for the in utero treatment of fetuses with fluid-filled, space-occupying anomalies has been done for about 10 years. The rationale for this approach is to attempt to prevent progressive impairment of organ function or lethal damage by early decompression. Experience has taught us that the key to success in these cases is the exclusion of associated anomalies and the use of appropriate tests to assess the residual organ function at the time of first diagnosis. In fetuses with hydrothorax, shunts can prevent pulmonary hypoplasia, and in those with obstructive uropathy, they can prevent the development of progressive lung hypoplasia and renal damage before a fetus is fully viable. In fetuses with ovarian cysts, prenatal puncture is occasionally indicated, but in those with hydrocephalus, the beneficial effect of prenatal drainage is more controversial. The catheters used for in utero placement have been improved and carry a smaller risk than open fetal surgical procedures.|Catheterization/methods[MESH]|Cerebrospinal Fluid Shunts[MESH]|Female[MESH]|Fetal Diseases/diagnostic imaging/*therapy[MESH]|Humans[MESH]|Hydrocephalus/diagnostic imaging/therapy[MESH]|Pregnancy[MESH]|Ultrasonography, Prenatal[MESH]|Urologic Diseases/diagnostic imaging/therapy[MESH] |