Strangulation of the umbilical cord due to combined amniotic band and true knot

Elchalal, U.; Ashkenazy, M.; Weissman, Ariel; Rosenman, David J.; Blickstein, Isaac

doi:10.1016/0020-7292(92)90729-3

Cited by 7 publications

(7 citation statements)

References 8 publications

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“…This hypothesis is supported by the observation that the frequency of knots in aborted fetuses is similar to that observed in mature deliveries 1 , 4 . The simultaneous occurrence of a true cord knot and an amniotic band in a case described by Elchahal et al further supports the case for an early origin of this abnormality 5 …”

Section: Discussionmentioning

confidence: 67%

“…From a purely practical point of view the formation of even a simple overhand knot requires that the fetal cord length be greater than the fetal head circumference plus half of the fetal body length 5 . In our case, which required that the fetus pass through two twisted loops of cord (Figure 2), these conditions could not have been met later in pregnancy.…”

Section: Discussionmentioning

confidence: 87%

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A Complex True Knot of the Umbilical Cord

1995

Int J Clinical Practice

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Section: Discussionmentioning

confidence: 67%

Section: Discussionmentioning

confidence: 87%

A Complex True Knot of the Umbilical Cord

1995

Int J Clinical Practice

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“…We reviewed the Pubmed literature from 1992 to 2018, and totally 11 fetuses whose found umbilical cord entangled by amniotic bands, 8 died in utero and 3 survived. [2,[5][6][7][8][9][10] The poor prognosis of the fetus may be due to compression or constriction of the umbilical cord, which is also the reason of fetal intrauterine death in this group. The fetal hand and umbilical cord were simultaneously adhered by the amniotic bands, which caused the compression of umbilical cord.…”

Section: Discussionmentioning

confidence: 99%

Two case reports

Niu

Meng

Zhang³

et al. 2019

Medicine

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Rationale: The significant ultrasonic characteristics of amniotic band syndrome (ABS) are the malformations of fetal affected parts and the band-like echoes in amniotic cavity. This article first suggests that the fetal hand adhered to umbilical cord with restricted movement provides some values in the diagnosis of ABS in early gestational weeks especially when the fetal malformation is not obvious and amniotic band is thin and fine.Patient concerns: Two pregnant women had no discomfort and underwent routine ultrasound examination at 11 to 14 gestational weeks.Diagnosis: Only the fetal hand adhered to umbilical cord with restricted movement was detected during the first ultrasound examination at 11∼14 gestational weeks, and the floating band-like echos were detected in the amniotic cavity with follow-up examinations 2 to 3 weeks later. Both of the 2 fetus were diagnosed as ABS by ultrasound Interventions: The two pregnant women underwent the prenatal counseling and were recommended closely follow-up and further examination.Outcomes: Two fetuses died in utero between 17 and 19 weeks. After induction of labor, it was found that the hands and umbilical cord of the fetuses were wrapped by amniotic bands, which was proved pathologically as ABS.Lessons: The adhesion of the fetal hand and umbilical cord is an important ultrasonic sign suggesting ABS with poor prognosis in early pregnancy. We hope that this study can provide some guidance for the early diagnosis of ABS during 11 to 14 week's ultrasound examination.

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“…6 Table 1 outlines the range of possible defects. 7,8 The severity of malformation is related to the gestational age at which the bands occur. If they occur within the first 45 days of gestation then the most severe malformations, involving the nervous system, face and viscera, occur.…”

Section: Discussionmentioning

confidence: 99%

Amniotic Band Syndrome

M.¹,

Das²,

Kumar³

2007

Ultrasound

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Amniotic band syndrome comprises a group of fetal malformations of varying severity. Malformations may be minor, causing constriction rings in the fetus or major, being incompatible with post-natal life or causing fetal death. In this article we describe a case of prenatal ultrasound diagnosis of amniotic band syndrome first detected at 23 weeks gestation. The pregnancy resulted in an intrauterine death at 26 weeks gestation, possibly due to placental abruption as a result of tight amniotic bands attached between the fetal surface of the placenta and the fetal limbs. Post mortem examination of the fetus confirmed placental abruption and amniotic bands.

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Strangulation of the umbilical cord due to combined amniotic band and true knot

Cited by 7 publications

References 8 publications

A Complex True Knot of the Umbilical Cord

A Complex True Knot of the Umbilical Cord

Two case reports

Amniotic Band Syndrome

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