The Surviving Monozygotic Twin

Szymonowicz, W.; Preston, Hannah; Yu, V. Y. H.

doi:10.1097/00006254-198701000-00007

Cited by 16 publications

(32 citation statements)

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“…When rates were available for monochorionic or dichorionic or both monochorionic and dichorionic twin sets, a summary statistic percentage was calculated. Seventeen 3,5-10,12,13,23-30 were used to calculate a percentage of co-twin death, 11 were used to calculate a percentage of neurologic morbidity, 9,10,12,13,23,24,[31][32][33][34][35] 10 were used to calculate a percentage of abnormal cranial scan after delivery of the surviving twin, 3,9,10,12,13,24,27,30,31,33 and 10 were used to calculate rates as percentage of preterm delivery. 6,9 -11,23,24,27,30,32,35 When rates were available for both monochorionic and dichorionic twin sets within the same article, an OR was performed comparing monochorionic and dichorionic twins.…”

Section: Resultsmentioning

confidence: 99%

“…15 When compared with the 2006 Ong review, 15 15 articles used were the same 3,5-10,12,13,23,24,31-34 and seven were additional series. [25][26][27][28][29][30]35 In two studies this was because the articles were published after the review, and in five cases the articles were omitted from the original review. 27,30 In addition, five articles from the original review used to inform the meta-analysis were excluded.…”

Section: Resultsmentioning

confidence: 99%

“…Neurologic handicap was stated as being "major," "severe," "paralysis, "or "cerebral palsy," except for two cases in which it was stated as being "mild" or "mental retardation." 35 The follow-up was 3 months in one case 13 and in all others it was not specified. An OR was calculated, resulting in almost five-times more odds (OR 4.81, 95% CI 1.39 -16.6, PϽ.05; Fig.…”

Section: Resultsmentioning

confidence: 99%

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Co-Twin Prognosis After Single Fetal Death

Hillman

Morris

Kilby

2011

Obstetrics & Gynecology

187

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

See 1 more Smart Citation

Co-Twin Prognosis After Single Fetal Death

Hillman

Morris

Kilby

2011

Obstetrics & Gynecology

187

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“…Three monozygotic twins [24,25] and three singletons with fetal lung infarcts, including case 3, have been previously reported [8,13,14,26]. Definite MA was seen in two [8,26], and a third had presumed amniotic fluid aspiration [13].…”

Section: Discussionmentioning

confidence: 99%

“…Definite MA was seen in two [8,26], and a third had presumed amniotic fluid aspiration [13]. Plateinfarcts are illustrated in three cases [13,24,26]. There is evidence that meconium-induced vasoconstriction causes intrauterine hypoxia by compromising umbilical cord or placental blood flow [27][28][29], although some investigators dispute this [30,31].…”

Section: Discussionmentioning

confidence: 99%

Chronic Intrauterine Meconium Aspiration Causes Fetal Lung Infarcts, Lung Rupture, and Meconium Embolism

Kearney

1999

Pediatr Dev Pathol

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Three neonates with chronic intrauterine meconium aspiration are reported. All had distinctive subpleural plate-infarcts of the lungs caused by meconium-induced vasoconstriction of peripheral preacinar arteries. These vessels showed plexogenic arteriopathy with medionecrosis and obliterative hyaline sclerosis. Organized thrombi and systemic-pulmonary arterial anastomoses were numerous. The infarcts contained inspissated meconium with a granulomatous reaction. In one case, lung rupture occurred, causing meconiumthorax and meconium embolism to hilar lymphatics and lymph nodes; this suggests that particulate meconium may enter the circulation. This fetus had rubella and probable acute twin-twin transfusion following the intrauterine death of the co-twin. The cause of the hypoxia that led to intrauterine passage of meconium in the other cases is unknown. Meconium-stained amniotic fluid was noted in only one case.

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Fetal exsanguination following intrauterine angiographic assessment and selective termination of a hydrocephalic, monozygotic co‐twin

et al. 1989

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Selective termination by intracardiac potassium chloride injection was performed in twins discordant for hydrocephaly at 20 weeks' gestation. Because of the potential for vascular anastomoses to exist between the twins, fetal angiography was performed prior to the selective termination procedure. Determination of vascular connections between the fetuses was hindered by fetal bradycardia following intracardiac administration of contrast material. Selective termination was performed without difficulty using intracardiac potassium chloride (KCl) to produce asystole in the twin with hydrocephaly. The unaffected fetus appeared active and had a normal heart rate during and immediately after the procedure. However, both twins were found to have died the following day. Pathologic examination documented several vascular anastomoses between the monochorionic, diamniotic fetuses. A likely cause of death was exsanguination of the normal twin into the abnormal one. This case illustrates the difficulties encountered in selective termination of monozygotic twins and, to our knowledge, represents the first reported use of intrauterine fetal angiography.

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The Surviving Monozygotic Twin

Cited by 16 publications

References 0 publications

Co-Twin Prognosis After Single Fetal Death

Co-Twin Prognosis After Single Fetal Death

Chronic Intrauterine Meconium Aspiration Causes Fetal Lung Infarcts, Lung Rupture, and Meconium Embolism

Fetal exsanguination following intrauterine angiographic assessment and selective termination of a hydrocephalic, monozygotic co‐twin

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