Placental histopathology in late preterm infants: clinical implications

Ericksen, Kristina; Fogel, Joshua; Verma, Ruchi

doi:10.3345/kjp.2019.00038

Cited by 2 publications

(2 citation statements)

References 11 publications

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“…In a study, the authors were not found any difference between the late preterm and term pregnancies for placental pathologies. (17). Yin et al (18) examined placentas after birth and found that this grading in term placentas did not reflect the functional capacity of the placenta.…”

Section: Discussionmentioning

confidence: 99%

Preterm placental calcification: maternal calcium, magnesium, 25(OH)D levels and adverse obstetric outcomes in low-risk pregnant women

GENÇ

ÖZKAN

KÜKRER

et al. 2022

Journal of Health Sciences and Medicine

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Aim:The aim of our study is to examine early and late preterm placental calcification (PPC) and compare their relationship with maternal calcium, magnesium and 25(OH) D levels and adverse obstetric outcomes. Material and Method:This prospective cohort study was conducted by examining the pregnant women at their 24th to 36th gestational weeks who applied to the Gynecology Department of Okmeydani Training and Research Hospital. In this study, 207 patients were selected as the study group.Results: When the early and late PPC groups were compared, rates of low birth weight (LBW) was statistically higher in the early PPC group. (p=0.022) Oligohydramnios was more common in the early and late PPC patients compared to non-PPC pregnant women. However, oligohydramnios and LBW were not found statistically significant difference in logistic regression analysis. There was also no statistically significant difference in maternal calcium, magnesium and vitamin D levels between the groups. Conclusion:Preterm placental calcifications might be associated with fetal and maternal complications. But the diagnosis of PPC alone is not effective in determining fetal prognosis.

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Section: Discussionmentioning

confidence: 99%

Preterm placental calcification: maternal calcium, magnesium, 25(OH)D levels and adverse obstetric outcomes in low-risk pregnant women

GENÇ

ÖZKAN

KÜKRER

et al. 2022

Journal of Health Sciences and Medicine

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“…The need for standardisation arises because common placental histopathological lesions are seen in PTB cases with and without infection. These include: villitis of unknown origin (destructive villous inflammatory lesion), acute or chronic chorioamnionitis (inflammation of chorioamnionic membrane), and chronic deciduitis (inflammation of decidua basalis) [ 12 – 15 ].…”

Section: Introductionmentioning

confidence: 99%

Placental histopathology in preterm birth with confirmed maternal infection: A systematic literature review

et al. 2021

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Four in five neonatal deaths of preterm births occur in low and middle income countries and placental histopathology examination can help clarify the pathogenesis. Infection is known to play a significant role in preterm birth. The aim of this systematic review is to explore the association between placental histopathological abnormality and preterm birth in the presence of confirmed infection. PubMed/Medline, Scopus, Web of Science and Embase were searched using the keywords related to preterm birth, placental histopathology and infection. Titles and abstracts were screened and the full texts of eligible articles were reviewed to extract and summarise data. Of 1529 articles, only 23 studies (13 bacterial, 6 viral and 4 parasitic) were included, and they used 7 different gestational age windows, and 20 different histopathological classification systems, precluding data pooling. Despite this, histopathological chorioamnionitis, and funisitis (when examined) were commonly observed in preterm birth complicated by confirmed bacterial or viral, but not parasitic, infection. The presence of malaria parasites but not pigment in placenta was reported to increase the risk of PTB, but this finding was inconclusive. One in three studies were conducted in low and middle income countries. An array of: definitions of preterm birth subgroups, histological classification systems, histopathologic abnormalities and diagnostic methods to identify infections were reported in this systematic review. Commitment to using standardised terminology and classification of histopathological abnormalities associated with infections is needed to identify causality and potential treatment of preterm birth. Studies on preterm birth needs to occur in high burden countries and control for clinical characteristics (maternal, fetal, labor, and placental) that may have an impact on placental histopathological abnormalities.

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Placental histopathology in late preterm infants: clinical implications

Cited by 2 publications

References 11 publications

Preterm placental calcification: maternal calcium, magnesium, 25(OH)D levels and adverse obstetric outcomes in low-risk pregnant women

Preterm placental calcification: maternal calcium, magnesium, 25(OH)D levels and adverse obstetric outcomes in low-risk pregnant women

Placental histopathology in preterm birth with confirmed maternal infection: A systematic literature review

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