関連する実験動画

Updated: Jun 27, 2026

Fetal Echocardiography and Pulsed-wave Doppler Ultrasound in a Rabbit Model of Intrauterine Growth Restriction

Fetal Echocardiography and Pulsed-wave Doppler Ultrasound in a Rabbit Model of Intrauterine Growth Restriction

Published on: June 29, 2013

胎児大動脈縮の形態学的および生理学的予測要因

Hikoro Matsui¹, Mats Mellander, Michael Roughton

¹Institute of Reproductive and Developmental Biology, Faculty of Medicine, Imperial College, Queen Charlotte's and Chelsea Hospital, Du Cane Rd, London, W12 0HS, UK.

|October 15, 2008

まとめ

大動脈収縮の産前診断は,静脈のZスコアと静脈とダクトの比率を使用して改善することができます. 連続測定と異常な静脈流動パターンは,診断特異性を高め,胎児スクリーニングにおける偽陽性を潜在的に軽減します.

科学分野:

胎児心臓病科胎児心臓病科
診断用イメージング
生まれながらの心疾患 (Congenital Heart Disease) とは,先天性心疾患 (Congenital Heart Disease) とは,先天性心疾患 (Congenital Heart Disease) とは,先天性心疾患 (Congenital Heart Disease) とは,先天性心疾患 (Congenital Heart Disease) とは,先天性心疾患 (Congenital Heart Disease) とは,先天性心疾患 (Congenital Heart Disease) とは,先天性心疾患 (Congenital Heart Disease) とは,先天性心疾患 (Congenital Heart Disease) とは,先天性心疾患 (Congenital Heart Disease) とは,先天性心疾患 (Congenital Heart Disease) とは,先天性心疾患 (Congenital Heart Disease) とは,先天性心疾患 (Congenital Heart Disease) とは,先天性心疾患 (Congenital Heart Disease) とは,

背景:

大動脈縮の産前診断は,高い偽陰性率と低い特異性を持つ課題に直面しています.
正確な胎児検知は,適切な介入と改善された結果のために不可欠です.

研究の目的:

大動脈のアーチとドクタルのZスコアと,胎児のを検出する際の比率の診断性能を評価する.
シリアルZスコア測定と関連する心臓の発見の有用性を評価し,他の条件から真のコアルクテーションを区別する.

主な方法:

200人の正常な対照群と44人の胎児の回顧分析.
大動脈のアーチ,ドクトル,静脈のZスコアとその比率の計算.
診断の正確性を決定するために,ロジスティック回帰とROC曲線分析を行います.

主要な成果:

静脈Zスコアと静脈と導管の比率は,優れた診断性能を示した (AUCはそれぞれ0.963と0.969).
シリアル静脈Zスコアは,正常な結果,監視を必要とする結果,手術を必要とする結果を効果的に区別しました.
静脈管の流れの乱れは,真の縮の確率を大幅に高めました.

結論:

静脈のZスコアと静脈とダクトの比率は,胎児の大動脈収縮の敏感なマーカーである.
連続測定と静脈の流れパターンの評価は,診断特異性を向上させ,偽陽性を減少させます.

さらに関連する動画

Human Fetal Blood Flow Quantification with Magnetic Resonance Imaging and Motion Compensation

Human Fetal Blood Flow Quantification with Magnetic Resonance Imaging and Motion Compensation

Published on: January 7, 2021

A Pipeline to Characterize Structural Heart Defects in the Fetal Mouse

A Pipeline to Characterize Structural Heart Defects in the Fetal Mouse

Published on: December 16, 2022

関連する概念動画

Abdominal Aorta

Abdominal Aorta

Once the aorta traverses the diaphragmatic plane at the aortic hiatus, it is known as the abdominal aorta. This anatomical structure is positioned leftward of the spinal column, encased within a cocoon of adipose tissue behind the peritoneal cavity. It terminates at the L4 vertebra, where it splits into the common iliac arteries. Prior to this bifurcation, the abdominal aorta gives rise to several vital branches.
The celiac trunk, a singular artery, divides into the left gastric artery, which...

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...

Aneurysm I: Introduction

Aneurysm I: Introduction

An aortic aneurysm is a localized outpouching or dilation at a weak point in the artery wall. It may involve different parts of the aorta, such as the abdominal aorta, aortic arch, or thoracic aorta.Etiological factorsSeveral disorders are associated with aortic aneurysms.Congenital causes, such as primary connective tissue disorders like Marfan syndrome, impact the integrity and strength of connective tissues, notably affecting the aorta. Marfan syndrome is a genetic disorder that specifically...