- 作者: 賴宏煇
- 作者服務機構: 國立臺灣大學農業院
- 中文摘要: Placental blood flow can be detected by its characteristic whir-wind like soundproduced by UMS utilizing the principle of Doppler effect. By this principle, locationof placenta was attempted on 129 pregnant women, including 12 cases of suspectedplacenta previa. The result of location was confirmed through cervix at the thirdstage of labor or by direct palpation of the placenta during cesarean section. The result was correct in 56.6%, partial correct 33.3% and incorrect 10.1%. Theresult of partial correct was chiefly occurred to the cases of lateral or marginalinsertion of the cord. The result in 12 cases of placenta previa was 11 correct and one partial correct. UMS is simple and useful in locaton of placenta.
- 英文摘要: --
- 中文關鍵字: --
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