Dataset Information

The use of real time strain endometrial elastosonography plus endometrial thickness and vascularization flow index to predict endometrial receptivity in IVF treatments: a pilot study.

ABSTRACT:

Background

The usefulness of endometrium strain elastosonography (SE) for the evaluation of endometrial receptivity in women undergoing in vitro fertilization (IVF) remains controversial. The objective of this prospective, observational study was to evaluate the correlation between endometrial thickness (EMT) and its related strain (ESR) on the day of ovulation triggering (hCG-d) and in vitro fertilization outcomes. Additionally, 3D Power Doppler vascular indices (3DPDVI) were also analysed.

Methods

We included all the patients undergoing fresh IVF-single blastocyst transfer cycle from January 2021 to August 2021 at our center. On hCG-d, after B-mode scanning was completed to measure the EMT, the mode was changed to elastosonography to evaluate the ESR (ratio between endometrial tissue and the myometrium below). At the end of examination, the Endometrial Volume (EV) and 3DPDVI (vascularization index [VI], flow index [FI] and vascularization flow index [VFI]), were assessed. Statistical analysis was completed using STATA MP16 software.

Results

A total number of 57 women were included. Based on the EMT on hCG-d, women were divided into two groups, Group 1: <7 mm and Group 2 ≥ 7 mm. Women with EMT < 7 mm had a significantly higher ESR (p = 0.004) and lower pregnancy rate (p = 0.04). Additionally, low ESR values were correlated with high VFI values (rho = -0.8; 95% CI = -0.9- -0.6; p < 0.0001) and EMT ≥ 7 mm could be predicted by low ESR (OR = 0.01; 95% CI = 0.01-0.30; p = 0.008, area under the ROC curve: 0.70). After all, in multiple logistic regression analysis, low values of ESR (p = 0.050) and high values of EMT (p = 0.051) on hCG-d had borderline statistical effects on pregnancy rate.

Conclusions

The ESR may be useful to improve the ultrasound evaluation of the endometrial quality in infertile women candidates to IVF/ICS. Given the small sample size of our study, the usefulness of strain elastosonography in this patients, needs further investigation.

SUBMITTER: Stanziano A

PROVIDER: S-EPMC10503140 | biostudies-literature | 2023 Sep

REPOSITORIES: biostudies-literature

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Publications

The use of real time strain endometrial elastosonography plus endometrial thickness and vascularization flow index to predict endometrial receptivity in IVF treatments: a pilot study.

Stanziano Antonio A Bianchi Francesco Paolo FP Caringella Anna Maria AM Cantatore Clementina C D'Amato Antonio A Vitti Angela A Cortone Anna A Vitagliano Amerigo A D'Amato Giuseppe G

BMC medical imaging 20230915 1

<h4>Background</h4>The usefulness of endometrium strain elastosonography (SE) for the evaluation of endometrial receptivity in women undergoing in vitro fertilization (IVF) remains controversial. The objective of this prospective, observational study was to evaluate the correlation between endometrial thickness (EMT) and its related strain (ESR) on the day of ovulation triggering (hCG-d) and in vitro fertilization outcomes. Additionally, 3D Power Doppler vascular indices (3DPDVI) were also analy ...[more]

PMID: 37715124

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Project description:BackgroundEndometrial thickness (ET) has previously been shown to positively correlate with implantation and clinical pregnancy rates. Pregnancies achieved using in-vitro fertilization (IVF) technique are prone to higher rates of early miscarriage. The aim of this study was to compare the effects of expectant management, medical treatment (Misoprostol) and dilation and curettage (D&C) for early miscarriage following IVF cycles on the subsequent cycle outcomes - endometrial thickness and reproductive outcomes.MethodsA retrospective cohort study of women who underwent embryo transfer, conceived and had first trimester miscarriage with at least one subsequent embryo transfer. ET measurements during fresh or frozen-thawed IVF cycles were assessed for each patient. Comparisons of ET differences between the miscarriage and the subsequent cycles, as well as reproductive outcomes, were performed according to the initial miscarriage management approach.ResultsA total of 223 women were included in the study. Seventy-eight women were managed conservatively, 61 were treated with Misoprostol and 84 women underwent D&C. Management by D&C, compared to conservative management and Misoprostol treatment was associated with higher prevalence of a significant (> 2 mm) ET decrease (29.8%% vs. 14.1and 6.6%, respectively; p < .001) and was the only approach associated with a significant increase in the rates of ET under 7 and 8 mm in the following cycle (p = 0.006 and 0.035; respectively). Clinical pregnancy rates were significantly lower following D&C compared with conservative management and Misoprostol (16.7% vs. 38.5 and 27.9%, respectively; p = 0.008) as well as implantation rate (11.1% vs. 30.5.% and 17.7, respectively; p < 0.001).ConclusionOur data suggest that D&C management of a miscarriage is associated with decreased ET and higher rates of thin endometrium in the subsequent IVF cycle, compared with conservative management and Misoprostol treatment. In addition, implantation and pregnancy rates were significantly lower after D&C.

Project description:Study questionWhat is the independent contribution of endometrial thickness (EMT) on day of embryo transfer to achieving an ongoing pregnancy and live birth after IVF treatment?Summary answerEMT is a poor predictor of IVF success and has only little independent prognostic value.What is known alreadyIn a number of previous studies, pregnancy rates have been found to be lower in patients with thin endometrium.Study design size duarationThis is a retrospective analysis of data from two large, randomized phase III studies (conducted in Europe and the USA) comparing s.c. progesterone with vaginal progesterone for luteal phase support. The studies were very similar in design, patient population and outcome, and the study data were combined and analysed on an individual patient level.Participants/materials setting methodSubjects were infertile patients with an indication for IVF/ICSI, aged between 18 and 42 years, BMI <30 kg/m2, <3 prior ART cycles and ≥ 3 oocytes after controlled ovarian stimulation with GnRH-agonist or GnRH-antagonist. EMT was assessed on day of embryo transfer (n = 1401). The association of EMT and ongoing pregnancy rate was determined by comparison of outcomes by quantiles of EMT. The predictive capacity of EMT for ongoing pregnancy achievement was assessed at each millimeter cut-off. Finally, a regression model was built to determine the contribution of EMT among other confounders, such as age and oocyte numbers, on the likelihood of ongoing pregnancy and live birth.Main results and the role of chanceIn univariate analysis, ongoing pregnancy rates correlate to EMT. In patients above a cut-off of ≥9 mm EMT, the chance of pregnancy was higher as compared to patients with an EMT of 3-8 mm (odds ratio (OR) = 1.69, 95% CI: 1.23-2.35, P = 0.001; sensitivity 88.89%, specificity 17.52%, positive predictive value 39.02%, negative predictive value 72.64% and likelihood ratio 1.08). In multivariate regression analysis, after controlling for trial, female age and oocyte numbers, EMT was a statistically significant predictor of live birth (OR = 1.05, 95% CI: 1.00-1.10; P = 0.0351). If EMT indeed is an independent factor affecting outcome, this finding implies that at a baseline live birth rate of 20% an increase of 2 mm in EMT should result in an increase of the live birth rate of ~1.6%.Limitations reasons for cautionThe independent contribution of EMT to live birth likelihood is small and may result from (undetermined) confounding. The EMT on day of embryo transfer is usually higher as compared to the EMT on day of triggering final oocyte maturation when it is conventionally assessed during routine cycle monitoring. Furthermore, endometrial lining pattern and/or subendometrial Doppler flow have not been assessed and, accordingly, the conclusions of this work are limited to only the thickness of the endometrium.Wider implications of the findingsEMT can be ignored during cycle monitoring of the majority of IVF patients and only the extremes of EMT deserve further diagnostic work-up.Study funding/competing interestsThe study was supported by IBSA. G.G. has received personal fees and non-financial support from MSD, Ferring, Merck-Serono, Finox, TEVA, IBSA, Glycotope, Abbott, Gedeon-Richter as well as personal fees from VitroLife, NMC Healthcare, ReprodWissen, BioSilu and ZIVA. S.T. and B.C. are employees of IBSA.Trial registration numberNCT00827983 and NCT00828191 (clinicaltrials.gov).Trial registration date23 January 2009 (NCT00827983 and NCT00828191).Date of first patient’s enrolmentJanuary 2009 (NCT00827983 and NCT00828191).

Project description:Background Endometrial thickness (EMT) and blood flow are commonly used indicators of endometrial receptivity. However, the results of single ultrasound examination studies differ. Therefore, we used 3-dimensional (3D) ultrasound to study the influence of changes in EMT, endometrial volume, and endometrial blood flow on frozen embryo transfer cycles. Methods This was a prospective cross-sectional study. Women who underwent in vitro fertilization (IVF) at Dalian Women and Children’s Medical Group and met the inclusion criteria were enrolled between September 2020 and July 2021. Ultrasound examinations were performed in patients who underwent frozen embryo transfer cycles on the day of progesterone administration, the third day after progesterone administration, and the day of embryo transplantation. Two-dimensional ultrasound was used to record EMT, 3D ultrasound was used to record endometrial volume, and 3D power Doppler ultrasound imaging was used to record the following endometrial blood flow parameters: vascular index, flow index, and vascular flow index. Changes in the 3 inspections of the EMT, volume, vascular index, flow index, and vascular flow index and 2 inspections of estrogen levels were categorized as “declining” or “nondeclining”. The relationship between changes in a certain indicator and the IVF outcome was analyzed by univariate analysis and multifactorial stepwise logistic regression. Results In total, 133 patients were enrolled in this study, 48 were excluded, and 85 were included in the statistical analysis. Among these 85 patients, 61 were pregnant (71%), 47 had a clinical pregnancy (55%), and 39 had an ongoing pregnancy (45%). The results showed that if the first change in endometrial volume was nondeclining, the outcomes of clinical and ongoing pregnancies were more likely to be unfavorable (P=0.03, P=0.01). Additionally, if the second change in endometrial volume on the day of embryo transplantation was nondeclining, the outcome of an ongoing pregnancy was more likely to be favorable (P=0.03). Conclusions The changes in endometrial volume was a factor helpful in predicting the IVF outcome, whereas the changes in EMT and endometrial blood flow analyses were not helpful in predicting IVF outcome.

Dataset Information

The use of real time strain endometrial elastosonography plus endometrial thickness and vascularization flow index to predict endometrial receptivity in IVF treatments: a pilot study.

Background

Methods

Results

Conclusions

Publications

The use of real time strain endometrial elastosonography plus endometrial thickness and vascularization flow index to predict endometrial receptivity in IVF treatments: a pilot study.

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