460: The significance of true knot of the umbilical cord
نویسندگان
چکیده
منابع مشابه
True knot of the umbilical cord.
Fifty umbilical cords were prepared and examined and their venous perfusion pressures measured with and without a true knot in the cord. Contrary to information in the literature, a loose umbilical cord knot did not affect the venous perfusion pressure. With a tightened knot, the smaller the umbilical cord diameter, the greater was the pressure required to perfuse past the knot. The umbilical v...
متن کاملDiagnosis of true umbilical cord knot
INTRODUCTION Many abnormalities are observed in the morphology and pathology of the umbilical cord. The aim of the study was to assess the role of 3D sonography in pathology of true umbilical cord knots. MATERIAL AND METHODS In our materials we observed 10 cases of true umbilical cord knots in a population of 2,864 deliveries. The 2-dimensional transverse scan of the umbilical cord was shown ...
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Introduction: True knot of the umbilical cord is characterized by a cord loop with increased tension and hence higher risk for obstetric and neonatal outcome intervention. Original Research Article British Journal of Medicine & Medical Research, 4(31): 5043-5052, 2014 5044 It is a finding observed in 1-2% of births. Aim: Review the etiology, pathophysiology, diagnosis and prognosis of true knot...
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The incidence of true knot of the umbilical cord is not only very low but it is often undiagnosed antenatally when present despite the availability of prenatal ultrasonography. When the true knot remains tight, it may impede the circulation of the fetus and may result to fetal death in utero especially in labor. We report a very uncommon case of true knot of the umbilical cord that ultimately l...
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ژورنال
عنوان ژورنال: American Journal of Obstetrics and Gynecology
سال: 2020
ISSN: 0002-9378
DOI: 10.1016/j.ajog.2019.11.476