Can placental elasticity predict the time of delivery in cases of threatened preterm labor?

Tolunay, Harun Egemen; Eroğlu, Hasan Erol; Çelik, Özge; Arat, Özgür; Obut, Mehmet; Varlı, Erol Nadi; Şahın, Dilek; Yücel, Aykan

doi:10.1111/jog.14570

Cited by 7 publications

(3 citation statements)

References 31 publications

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“…Elastography, a non-invasive tool that can measure tissue stiffness, has been used with EUS as an integrated software [51,52]. The use of EUS elastography for the evaluation of the pancreas was first reported in 2006 [53].…”

Section: Real-time Elastography-endoscopic Ultrasoundmentioning

confidence: 99%

Basic Principles and Role of Endoscopic Ultrasound in Diagnosis and Differentiation of Pancreatic Cancer from Other Pancreatic Lesions: A Comprehensive Review of Endoscopic Ultrasound for Pancreatic Cancer

Dahiya,

Shah,

Ali

et al. 2024

JCM

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Pancreatic cancer is one of the leading causes of cancer-related deaths worldwide. Pancreatic lesions consist of both neoplastic and non-neoplastic lesions and often pose a diagnostic and therapeutic challenge due to similar clinical and radiological features. In recent years, pancreatic lesions have been discovered more frequently as incidental findings due to the increased utilization and widespread availability of abdominal cross-sectional imaging. Therefore, it becomes imperative to establish an early and appropriate diagnosis with meticulous differentiation in an attempt to balance unnecessary treatment of benign pancreatic lesions and missing the opportunity for early intervention in malignant lesions. Endoscopic ultrasound (EUS) has become an important diagnostic modality for the identification and risk stratification of pancreatic lesions due to its ability to provide detailed imaging and acquisition of tissue samples for analysis with the help of fine-needle aspiration/biopsy. The recent development of EUS-based technology, including contrast-enhanced endoscopic ultrasound, real-time elastography–endoscopic ultrasound, miniature probe ultrasound, confocal laser endomicroscopy, and the application of artificial intelligence has significantly augmented the diagnostic accuracy of EUS as it enables better evaluation of the number, location, dimension, wall thickness, and contents of these lesions. This article provides a comprehensive overview of the role of the different types of EUS available for the diagnosis and differentiation of pancreatic cancer from other pancreatic lesions while discussing their key strengths and important limitations.

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Section: Real-time Elastography-endoscopic Ultrasoundmentioning

confidence: 99%

Basic Principles and Role of Endoscopic Ultrasound in Diagnosis and Differentiation of Pancreatic Cancer from Other Pancreatic Lesions: A Comprehensive Review of Endoscopic Ultrasound for Pancreatic Cancer

Dahiya,

Shah,

Ali

et al. 2024

JCM

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“…[8][9][10][11] Placental elasticity is also being studied to predict the time of delivery in threatened preterm labour and on intraoperative bleeding in post-caesarean pregnant women. 12,13 The first report on cervical elastography during pregnancy was published in 2007. 7 Two types of cervical elastography have been developed for quantitative determination of stiffness of pregnant cervixstrain elastography and shear wave elastography.…”

Section: Quantitative Sonoelastography Of the Uterine Cervix In Predi...mentioning

confidence: 99%

Quantitative sonoelastography of the uterine cervix in predicting successful outcome of induction of labour

et al. 2023

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Objectives: The aim of the study was to evaluate the stiffness of cervix and determine its significance in predicting successful outcome of induction of labour. The primary objective was to determine the differences in elastography indices of different areas of cervix between the outcome groups of successful and failed induction of labour. A secondary objective was to find out the correlation of these elastography indices with Bishop’s score and cervical length. Methods: This was a prospective, observational study conducted over a period of 6 months on pregnant women admitted in the labour room for induction of labour. Establishment of adequate regular uterine contractions – at least three contractions lasting 40–45 s in a 10-min period – was taken as end point for successful outcome of induction of labour. Even after 24 h of initiation of induction of labour, regular, adequate and painful uterine contractions were not established, then induction of labour was described as having failed. Prior to induction, cervical length measurement, Bishop’s scoring and elastographic evaluation of the cervix were done by stress–strain elastography. A colour map was produced from purple to red and a five-step scale – the elastography index – was used to describe the various parts of the cervix. The differences between elastography indices of different parts of cervix were estimated using Mann–Whitney U test. Correlation of the indices with cervical length and Bishop’s score was determined by Spearman’s correlation coefficient. Results: A total of 64 women were included in the study. A significant difference ( p < 0.001) was found in the elastography index of internal os between the two outcome groups of success (1.76 ± 0.64) and failure (0.54 ± 0.18). However, the elastography index of central cervical canal, external os, anterior lip and posterior lips did not differ significantly across the outcome groups. A significant positive correlation was found between elastography index of internal os and cervical length (Spearman’s correlation coefficient, r = 0.441, p < 0.001) and between elastography index of external os and cervical length ( r = 0.347, p = 0.005), whereas a negative correlation was seen between elastography index of external os and Bishop’s score ( r = −0.270, p = 0.031). Conclusion: Elastography index of internal os can be used to predict outcome of induction of labour. Cervical elastography is a promising new technique for cervical consistency assessment. Further larger studies are required to determine some cut-off point for elastography index of internal os in prediction of outcome of induction of labour and to strongly establish the usefulness of cervical elastography for pregnancy management, preventing preterm delivery and establishment of cut-off points to determine successful induction.

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“…Tolunay et al conducted a prospective study of threatened preterm labor (TPL) ( n = 108) and measured PSR values. Multivariate logistic regression analysis showed that when the PSR value was 4.04, the sensitivity of short-term delivery time prediction was 77.78%, and the specificity was 87.04% [ 83 ]. SE may contribute to predict delivery time in TPL high-risk pregnancies.…”

Section: Predicting Preterm Deliverymentioning

confidence: 99%

Advances in the clinical application of ultrasound elastography in uterine imaging

Wang

Lin

2022

Insights Imaging

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Changes in tissue stiffness by physiological or pathological factors in tissue structure are identified earlier than their clinical features. Pathological processes such as uterine fibrosis, adenomyosis, endometrial lesions, infertility, and premature birth can manifest as tissue elasticity changes. In clinical settings, elastography techniques based on ultrasonography, optical coherence tomography, and magnetic resonance imaging are widely used for noninvasive measurement of mechanical properties in patients, providing valuable tool and information for diagnosis and treatment. Ultrasound elastography (USE) plays a critical role in obstetrics and gynecology clinical work because of its simplicity, non-invasiveness, and repeatability. This article reviews the recent progress of USE in uterine tumor diagnosis (especially early diagnosis and treatment effect evaluation), prediction of preterm birth, and intrauterine insemination. We believe that USE, especially shear wave elastography, may serve as a potential means to assess tissue stiffness, thereby improving the diagnosis and treatment of adenomyosis, fibroids, endometrial lesions, cervical cancer, and precise management of preterm birth and intrauterine insemination monitoring.

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Can placental elasticity predict the time of delivery in cases of threatened preterm labor?

Cited by 7 publications

References 31 publications

Basic Principles and Role of Endoscopic Ultrasound in Diagnosis and Differentiation of Pancreatic Cancer from Other Pancreatic Lesions: A Comprehensive Review of Endoscopic Ultrasound for Pancreatic Cancer

Basic Principles and Role of Endoscopic Ultrasound in Diagnosis and Differentiation of Pancreatic Cancer from Other Pancreatic Lesions: A Comprehensive Review of Endoscopic Ultrasound for Pancreatic Cancer

Quantitative sonoelastography of the uterine cervix in predicting successful outcome of induction of labour

Advances in the clinical application of ultrasound elastography in uterine imaging

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