Evaluation of the Tramline Sign in the Prediction of Placenta Accreta Spectrum and Perioperative Outcomes in Anterior Placenta Previa.

Bewertung des Tramline-Zeichens zur Vorhersage einer Placenta-accreta-spectrum-Störung und des perioperativen Outcomes bei anteriorer Placenta praevia.

Journal

Ultraschall in der Medizin (Stuttgart, Germany : 1980)
ISSN: 1438-8782
Titre abrégé: Ultraschall Med
Pays: Germany
ID NLM: 8303585

Informations de publication

Date de publication:
Dec 2022
Historique:
pubmed: 9 2 2021
medline: 25 2 2023
entrez: 8 2 2021
Statut: ppublish

Résumé

 To evaluate perioperative outcomes and the prognostic role of the tramline sign in a cohort of women with anterior placenta previa.  Retrospective analysis of 3D ultrasound volumes from women with anterior placenta previa who underwent ultrasound examination beyond 32 weeks. 3D and 3D color volumes were obtained from a sagittal section of the uterus bisecting a partially full bladder and processed using Crystal Vue and Crystal Vue Flow rendering to look for the "tramline sign". "Partial obliteration" was defined as a loss of some or part of the uterine-serosal interface and "full obliteration" as when both interfaces were interrupted. Postnatal ascertainment of placenta accreta spectrum (PAS) was confirmed by findings recorded intraoperatively or on a pathology report.  65 cases were included. The tramline sign was "partially" (17) or "fully" (19) obliterated in 36 cases (55.4 %), and present in 29 (44.6 %). Obliteration was associated with earlier gestational age at delivery (35 + 1 (26 + 3-38 + 3) vs. 36 + 4 (25 + 3-38 + 0) weeks, p = 0.005), greater estimated blood loss (800 (400-11 000) vs. 600 (300-2100) mls, p = 0.003), longer operative time (155 (60-240) vs. 54 (25-80) minutes, p < 0.001), higher rate of hysterectomy (97.2 % vs. 0.0 %, p < 0.001), longer postoperative admission (7 (3-19) vs. 3 (1-5) days, p < 0.001) and a 100 % rate of postnatal diagnosis of PAS. The finding of an "obliterated" tramline sign identified all women that required hysterectomy and all cases of PAS.  A "partially or fully obliterated" tramline sign is strongly associated with indicators of operative complexity, the postnatal confirmation of PAS, and the need for peripartum hysterectomy. ZIEL:  Beurteilung der perioperativen Outcomes und der prognostischen Rolle des sogenannten Tramline-Zeichens in einer Kohorte von Frauen mit anteriorer Placenta praevia.  Retrospektive Analyse der 3D-Ultraschallvolumina von Frauen mit anteriorer Placenta praevia, bei denen nach der 32. Woche eine Ultraschalluntersuchung durchgeführt wurde. 3D- und 3D-Farbvolumina wurden aus einem sagittalen Abschnitt des Uterus gewonnen, der die teilweise gefüllte Blase halbierte und mit Crystal Vue und Crystal Vue Flow  65 Fälle wurden eingeschlossen. Das Tramline-Zeichen war in 36 Fällen (55,4 %) „teilweise“ (17) oder „vollständig“ (19) ausgelöscht und in 29 (44,6 %) vorhanden. Die Auslöschung war assoziiert mit einer früheren Schwangerschaftswoche bei Entbindung (35 + 1 (26 + 3–38 + 3) vs. 36 + 4 (25 + 3–38 + 0); p = 0,005), einem höheren geschätzten Blutverlust (800 (400–11 000) vs. 600 (300–2100) ml; p = 0,003), einer längeren Operationszeit (155 (60–240) vs. 54 (25–80) Minuten; p < 0,001), einer höheren Hysterektomierate (97,2 % vs. 0,0 %; p < 0,001), einem längeren postoperativen Aufenthalt (7 (3–19) vs. 3 (1–5) Tage; p < 0,001) und einer 100 %igen Rate der postnatalen Diagnose der PAS. Der Befund eines „ausgelöschten“ Tramline-Zeichens identifizierte alle Frauen, bei denen eine Hysterektomie erforderlich war, sowie alle Fälle von PAS.  Ein „teilweise oder vollständig ausgelöschtes“ Tramline-Zeichen ist stark mit Indikatoren für die operative Komplexität, mit der postnatalen Diagnose einer PAS und der Notwendigkeit einer peripartalen Hysterektomie assoziiert.

Autres résumés

Type: Publisher (ger)
ZIEL:  Beurteilung der perioperativen Outcomes und der prognostischen Rolle des sogenannten Tramline-Zeichens in einer Kohorte von Frauen mit anteriorer Placenta praevia.

Identifiants

pubmed: 33556967
doi: 10.1055/a-1309-1665
doi:

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

e118-e124

Informations de copyright

Thieme. All rights reserved.

Déclaration de conflit d'intérêts

CCL has received speaking honoraria from Samsung Medison (Seoul, South Korea) in relation to this work.TB has received honoraria from Samsung Medison (Seoul, South Korea) for work that is unrelated to this study.The work was supported by an unrestricted educational grant from Samsung Medison (Seoul, South Korea) to the Genesis Research Trust (registered charity 292518), London, UK.

Auteurs

Andrea Dall'Asta (A)

Queen Charlottes and Chelsea Hospital, Imperial College Hleathcare NHS Trust, London, United Kingdom.
Department of Metabolism, Digestion and Reproduction, Institute of Reproductive and Developmental Biology, Imperial College London, United Kingdom.
Department of Medicine and Surgery, Obstetrics and Gynecology Unit, University of Parma, Parma, Italy.

Francesco Forlani (F)

Department of Obstetrics and Gynaecology, Arnas Civico Hospital, Palermo, Italy.

Harsha Shah (H)

Queen Charlottes and Chelsea Hospital, Imperial College Hleathcare NHS Trust, London, United Kingdom.
Department of Metabolism, Digestion and Reproduction, Institute of Reproductive and Developmental Biology, Imperial College London, United Kingdom.

Gowrishankar Paramasivam (G)

Queen Charlottes and Chelsea Hospital, Imperial College Hleathcare NHS Trust, London, United Kingdom.

Joseph Yazbek (J)

Department of Gynaecologic Oncology, Queen Charlotte's and Chelsea Hospital, Imperial College Healthcare NHS Trust, London, United Kingdom.

Tom Bourne (T)

Department of Metabolism, Digestion and Reproduction, Institute of Reproductive and Developmental Biology, Imperial College London, United Kingdom.
Department of Development and Regeneration, KU Leuven, Leuven, Belgium.

Giuseppe Calì (G)

Department of Obstetrics and Gynaecology, Arnas Civico Hospital, Palermo, Italy.
Department of Obstetrics and Gynaecology, Azienda Ospedaliera Villa Sofia Cervello, Palermo, Italy.

Christoph Lees (C)

Queen Charlottes and Chelsea Hospital, Imperial College Hleathcare NHS Trust, London, United Kingdom.
Department of Metabolism, Digestion and Reproduction, Institute of Reproductive and Developmental Biology, Imperial College London, United Kingdom.
Department of Development and Regeneration, KU Leuven, Leuven, Belgium.

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