scholarly journals Corpus Luteum Color Doppler Ultrasound and Pregnancy Outcome in Buffalo during the Transitional Period

Animals ◽  
2020 ◽  
Vol 10 (7) ◽  
pp. 1181
Author(s):  
Luigi Esposito ◽  
Angela Salzano ◽  
Marco Russo ◽  
Donato de Nicola ◽  
Alberto Prandi ◽  
...  
Keyword(s):  
Corpus Luteum ◽  
Pregnancy Outcome ◽  
Color Doppler ◽  
Linear Regression Analysis ◽  
Strong Relationship ◽  
Color Doppler Ultrasound ◽  
Transitional Period ◽  
Flow Parameters ◽  
Significant Difference ◽  
Mean Time

This study evaluated corpus luteum (CL) development in buffaloes out of breeding season and assessed an early pregnancy diagnosis. Mediterranean buffaloes (n = 29) were synchronized and artificially inseminated. CL B-mode/color Doppler ultrasonography examinations were performed daily from Days 5 to 10 post-synchronization, recording CL dimensions and blood flow parameters. Blood samples were collected on the same days for the progesterone (P4) assay. Data were grouped into pregnant or nonpregnant and retrospectively analyzed. The total pregnancy rate was 50.0% (13/26) on Day 45. A significant difference between CL average area in pregnant and nonpregnant buffaloes was recorded only on Day 10. Pregnant buffaloes showed a significantly higher mean P4 concentration and higher mean time average medium velocity (TAMV) values from Day 5 to Day 10 compared to nonpregnant buffaloes. Linear regression analysis showed a significant relationship between P4 levels and TAMV. Multiple logistic regression highlighted a significant influence of TAMV on pregnancy outcome, particularly on Day 8. This is probably due to the strong relationship between TAMV and P4 production. Both TAMV and P4 could be used to predict pregnancy starting on Day 6, although a more reliable result was obtained at Day 10. Thus, the period between Days 5 and 10 is critical for CL development during the transitional period in buffalo.

scholarly journals Evaluation of Corpus Luteum Vascularization in Recipient Mares by Using Color Doppler Ultrasound

2021 ◽  
Vol 49 ◽  
Author(s):  
Marlon De Vasconcelos Azevedo ◽  
Natália Matos Souza ◽  
Felipe Augusto Boudoux Martins Sales ◽  
José Carlos Ferreira-Silva ◽  
Maiana Silva Chaves ◽  
...  
Keyword(s):  
Corpus Luteum ◽  
Embryo Transfer ◽  
Doppler Ultrasound ◽  
Color Doppler ◽  
Color Doppler Ultrasound ◽  
Doppler Imaging ◽  
Panicum Maximum ◽  
Progesterone Concentration ◽  
Vascular Perfusion ◽  
Significant Difference

Background: Embryo transfer is one of the most commonly used reproductive biotechnique. The success of embryo transfer is also affected by the synchrony of estrus and ovulation between donor and recipient animals. In horse reproduction, ultrasonography has been used, among other purposes, to diagnose early pregnancy. However, only the color Doppler imaging mode makes it possible to evaluate the vascular architecture and the hemodynamic aspects of the vessels in several organs, especially the corpus luteum. The objective of this study was to evaluate, based on the color Doppler ultrasound, the corpus luteum vascularization and function from recipient mares at embryo transfer timing.Materials, Methods & Results: Mangalarga Machador mares from 5 to 10-year-old and a range of live weights of between 350 to 450 kg were used for this experiment, kept in pasture-based on mombaça grass (Panicum maximum) and were given ad libitum access to water and mineral supplementation. The animals (n = 15) were gynecologically examined and uterine consistency was evaluated by rectal palpation the same operator using an ultrasound system (SonoScape®) with a linear transducer, and operating frequency ranging from 5 to 10 Mhz. The uterine tone was classified between grades 1 and 4 and subjected to ovulation induction. The objective and subjective vascular perfusion of the corpus luteum was evaluated by color Doppler ultrasound on the day of embryo transfer and endometrium. The determination progesterone concentration on the day of the embryo transfer was performed by direct chemiluminescence assay. The arcsine (√P/100) transformation was applied to the percentage data, and the results were expressed as mean (.) ± standard error of the mean (SEM). Further, the assumptions of normality and homoscedasticity were verified, respectively, based on the Shapiro-Wilk and Lilliefors tests. Regarding the parametric and non-parametric variables, were applied, respectively, analysis of variance (ANOVA) followed by Tukey’s test, and the Kruskal-Wallis test followed by Dunn’s test. Pearson’s correlation coefficient was used to evaluate the relationship between the parameters. The statistical program SPSS 16.0 was used to perform the over-mentioned analyses, and a p-value < 0.05 was taken as significant. Corpus luteum vascular perfusion, based on the objective and subjective evaluation methods, and the progesterone concentration were higher in the pregnant mares (P < 0.05). The objective and subjective methods for evaluation of the vascular perfusion in the corpus luteum were positively correlated between themselves as well as to progesterone concentration (P < 0.05). There was no significant difference between the groups considering the uterine tonus evaluation (P > 0.05).Discussion: Mares that later became pregnant showed a higher concentration of progesterone as an outcome of the higher vascularization in the corpus luteum. It can be supported by both the correlation between the progesterone concentration and the corpus luteum vascular perfusion, as well as by the higher values of the vascular perfusion in pregnant mares. Based on the results, it has been concluded that the color Doppler ultrasound evaluation is an accurate tool to determine the corpus luteum vascularization, whether considering the objective or subjective methods. Also, the vascular perfusion is the most efficient parameter to determine both the corpus luteum function and to predict the ability of the recipient mares to maintain pregnancy.

scholarly journals COLOR DOPPLER ULTRASONOGRAPHY FINDINGS IN KIDNEY ALLOGRAFTS BEFORE AND AFTER TRANSPLANTATION

2020 ◽  
Vol 4 (6) ◽  
Author(s):  
Suraj Mathur ◽  
P. Rajan ◽  
Dr. Jaya Kumar E. K
Keyword(s):  
Doppler Ultrasound ◽  
Doppler Ultrasonography ◽  
Color Doppler ◽  
Vascular Complications ◽  
Biochemical Parameter ◽  
Color Doppler Ultrasound ◽  
Color Doppler Ultrasonography ◽  
Kidney Allograft ◽  
Significant Difference

Method: A sample size of 40 kidney allograft recipients undergoing color Doppler Ultrasonography evaluation included in the study. Result: Corticomeduallry differentiation of kidney allografts within 24 hours post transplant period: There was no significant difference between CMD of kidney allorgrafts with complication and kidney allografts without any complication within 24 hour because the standard deviations of both groups were 0. Corticomeduallry differentiation in all kidney allografts, all were shows maintained corticomedullary differentiation. Conclusion: This study is aimed to assessing the role of CDUS in kidney allograft recipients to evaluate the graft perfusion immediate after anastamosis, within 24 hours and follow up period after engraftment of kidney allograft. Analyse the Color Doppler Ultrasound (CDUS) indices changes in parenchymal, and vascular cause of allograft dysfunction at follow up periods, to evaluate the uroloical, surgical and vascular complications in kidney recipients by using gray scale and color Doppler US at follow up periods and compare the results with biochemical parameter (serum creatinine). Immediate Doppler ultrasound is highly useful in the diagnosis of primary graft dysfunction and in follow-up of the transplanted patient. Keywords: Graft Perfusion, Anastamosis, Color, Doppler, Ultrasound

scholarly journals Vaginal repaired cesarean section diverticulum is beneficial in women with two prior cesarean sections

2020 ◽  
Author(s):  
Yizhi Wang ◽  
Jiarui Li ◽  
Husheng Wang New ◽  
Xipeng Wang
Keyword(s):  
Cesarean Section ◽  
Color Doppler ◽  
Three Dimensional ◽  
Clinical Effectiveness ◽  
Color Doppler Ultrasound ◽  
Cesarean Sections ◽  
Vaginal Repair ◽  
Significant Difference ◽  
Average Size ◽  
Previous Cesarean

Abstract Background: The aim of this study was to evaluate the effect of vaginal repair in patients with cesarean section diverticulum (CSD) who had one or two previous cesarean sections (CSs). Methods : From January 2012 to December 2014, 248 women with CSD underwent vaginal repair surgery in Shanghai First Maternity and Infant Hospital. These included 193 women with one previous cesarean section and 55 women with two previous cesarean sections. Excision and suture of CSD was performed through a vaginal approach. The duration of menstruation, the length, width and depth of the CSD and thickness of the remaining muscular layer (TRM) were evaluated before and after surgery by transvaginal three-dimensional (3D) color Doppler ultrasound. Results: A total of 221 (89.11%) women were followed-up for more than 3 months, and 168 (67.74%) women were followed-up for more than 6 months. There were significant differences in the average duration of menstruation (7.77±2.05 and 8.02±2.06 days VS 13.99±3.71 days), the average size of CSD (5.54*9.19*5.60 and 5.75*9.04*6.18 mm VS 7.99*12.43*6.62 mm) and the TRM (7.61±2.52 and 7.60±3.00 mm VS 2.51±1.02 mm) after surgery compared with those figures before surgery. The results of this study reveal that vaginal repair could shorten the duration of menstruation and improve anatomical defects (P< 0.05). Moreover, there was no significant difference in the effect of clinical repair between women with one or two previous cesarean sections (P> 0.05). Conclusion: In CSD patients, the clinical effectiveness of vaginal repair was equivalent between women with one or two previous cesarean sections.

scholarly journals Application Value of Bedside Ultrasound in the Positioning of PICC Tips in Preterm Infants

2021 ◽  
Vol 271 ◽  
pp. 04038
Author(s):  
Yuting Jiao ◽  
Yumei Wu ◽  
Zhi Yang
Keyword(s):  
Preterm Infants ◽  
Sensitivity And Specificity ◽  
Color Doppler ◽  
High Sensitivity ◽  
Color Doppler Ultrasound ◽  
Bedside Ultrasound ◽  
X Ray ◽  
Significant Difference ◽  
Catheter Tip ◽  
Tip Position

Objective To investigate the application value of bedside ultrasound in the localization of the tip of a Peripherally Inserted Central Catheter (PICC) in preterm infants. Methods 52 preterm infants underwent bedside ultrasound and bedside X-ray examination. Observing the position of the catheter tip, and using the bedside X-ray positioning as the gold standard. Statistics of the incidence of PICC tip normal position and ectopic position showed by bedside ultrasound, and comparing the difference between the results of bedside ultrasound and bedside X-ray. Calculating the accuracy, sensitivity, and specificity of ultrasound in diagnosing the tip position, and the length of the inlet and withdrawal tubes of the ectopic catheter was observed and calculated by ultrasound and down-regulated to the appropriate position under ultrasound guidance. Results The display rate of catheter tip by bedside color Doppler ultrasound was 98.0%, and the accuracy rate of tip position was 90.2%. There was no significant difference compared with bedside X-ray (P = 0.375), and the tip position of the two examination methods was highly consistent (Kappa = 0.769, P<0.001). The sensitivity of diagnosing tip ectopy was 76.5% and the specificity was 97.1%, and the success rate of ectopic catheters in ultrasound-guided downsetting was 100%. Conclusion Bedside ultrasound accurately show the position of the catheter tip and guide the entry and withdrawal of ectopic catheter, with high sensitivity and specificity, which has high value of clinical promotion.

scholarly journals Diagnosis of Interventional Transvaginal Maternal Diseases Based on Color Doppler Ultrasound

2021 ◽  
Vol 2021 ◽  
pp. 1-10
Author(s):  
Canliang Wen ◽  
Lan Huang ◽  
Hongye Jiang
Keyword(s):  
Ectopic Pregnancy ◽  
Corpus Luteum ◽  
Doppler Ultrasound ◽  
Color Doppler ◽  
Color Doppler Ultrasound ◽  
Clinical Analysis ◽  
Clinical Value ◽  
Inspection Method ◽  
Ultrasound Technology

In recent years, with the development of color Doppler ultrasound technology in obstetrics, this noninvasive, direct, convenient, and sensitive inspection method has become one of the best methods to observe the fetal circulation in the uterus. This paper discusses the clinical value of using transvaginal color Doppler ultrasound in the differential diagnosis of ovarian corpus luteum disease and ectopic pregnancy disease. This paper selects 100 cases of ectopic pregnancy and 100 cases of pregnant corpus luteum as the experimental research objects. Clinical analysis of transvaginal color Doppler ultrasonography was performed on all patients. In the process of measuring the patient’s ectopic pregnancy, the size of the patient’s adnexal mass is mainly measured, and the blood flow spectrum is measured. The clinical choice of transvaginal color Doppler ultrasound method to distinguish ectopic pregnancy disease and corpus luteum pregnancy disease can play a significant value. It can be effectively diagnosed according to the type of disease, then effective methods can be studied for clinical treatment, the quality of life of patients with the two diseases can be significantly improved, and the clinical application value of color Doppler ultrasound can be improved.

Use of the color Doppler twinkle artifact for teaching ultrasound guided peripheral vascular access

2020 ◽  
pp. 112972982095990
Author(s):  
Jeffrey Gardecki ◽  
Liam P Hughes ◽  
Saami Zakaria ◽  
Resa E Lewiss ◽  
Kelly Goodsell ◽  
...  
Keyword(s):  
Color Doppler ◽  
Randomized Study ◽  
Control Group ◽  
Clinical Settings ◽  
Ultrasound Guided ◽  
Optimal Method ◽  
Significant Difference ◽  
First Pass ◽  
And Control ◽  
Mean Time

Background: The optimal method for teaching ultrasound guided peripheral IV (USGPIV) insertion is unknown. Poor needle tip visualization has been cited for USGPIV failure. Twinkle artifact (TA), visualized with color Doppler, is used in other clinical settings. Our objective was to investigate whether teaching students USGPIV placement utilizing TA would enhance needle tip visualization and improve first pass success. Methods: This was a prospective, randomized study of premedical and preclinical medical students without prior USGPIV experience. Students were given a standardized didactic session on USGPIV placement before being randomized and separated to learn and practice USGPIV with or without TA (control). The students were given 5 min to perform USGPIV on phantom models. The primary outcome was the rate of first pass success. Secondary outcomes included total time to cannulation, rate of posterior venous wall puncture, and total number of attempts. Results: Rates of first pass success were similar in both the TA (82%) and control groups (57%), p = 0.095. There was a difference in the mean time to cannulation. The TA group achieved success at 50.76 s (SD 26.93) while the control group achieved success at 85.30 s (SD 65.47), p = 0.048. Conclusion: In this study of utilizing TA to aid in USGPIV placement, students were able to achieve successful cannulation in a shorter amount of time. There was no significant difference in first pass success. Future studies should utilize a larger sample size and evaluate the utility of TA when placing USGPIV on patients.

scholarly journals Vaginal repaired cesarean section diverticulum is beneficial in women with two prior cesarean sections

2020 ◽  
Author(s):  
Yizhi Wang ◽  
Jiarui Li ◽  
Xipeng Wang
Keyword(s):  
Cesarean Section ◽  
Color Doppler ◽  
Three Dimensional ◽  
Clinical Effectiveness ◽  
Color Doppler Ultrasound ◽  
Cesarean Sections ◽  
Vaginal Repair ◽  
Significant Difference ◽  
Average Size ◽  
Previous Cesarean

Abstract Background: The aim of this study was to evaluate the effect of vaginal repair in patients with cesarean section diverticulum (CSD) who had one or two previous cesarean sections (CSs). Methods: From January 2012 to December 2014, 248 women with CSD underwent vaginal repair surgery in Shanghai First Maternity and Infant Hospital. These included 193 women with one previous cesarean section and 55 women with two previous cesarean sections. Excision and suture of CSD was performed through a vaginal approach. The duration of menstruation, the length, width and depth of the CSD and thickness of the remaining muscular layer (TRM) were evaluated before and after surgery by transvaginal three-dimensional (3D) color Doppler ultrasound. Results: A total of 221 (89.11%) women were followed-up for more than 3 months, and 168 (67.74%) women were followed-up for more than 6 months. There were significant differences in the average duration of menstruation (7.77±2.05 and 8.02±2.06 days VS 13.99±3.71 days), the average size of CSD (5.54*9.19*5.60 and 5.75*9.04*6.18 mm VS 7.99*12.43*6.62 mm) and the TRM (7.61±2.52 and 7.60±3.00 mm VS 2.51±1.02 mm) after surgery compared with those figures before surgery. The results of this study reveal that vaginal repair could shorten the duration of menstruation and improve anatomical defects (P< 0.05). Moreover, there was no significant difference in the effect of clinical repair between women with one or two previous cesarean sections (P> 0.05). Conclusion: In CSD patients, the clinical effectiveness of vaginal repair was equivalent between women with one or two previous cesarean sections.

Correlation of N-Ras Gene Expression in Hepatocellular Carcinoma with Color Doppler Ultrasound Findings

2021 ◽  
Vol 11 (10) ◽  
pp. 1996-2000
Author(s):  
Yuguo Wei ◽  
Donglai Lv
Keyword(s):  
Gene Expression ◽  
Hepatocellular Carcinoma ◽  
Western Blotting ◽  
Color Doppler ◽  
Color Doppler Imaging ◽  
Color Doppler Ultrasound ◽  
Doppler Imaging ◽  
Ras Gene ◽  
Significant Difference ◽  
Tissue Specimens

Objective: This study aims to study the N-ras gene expression in hepatocellular carcinoma (HCC) and its correlation with color Doppler imaging manifestations. Methods: The tumors of 145 HCC patients were evaluated via color Doppler ultrasonography before operation and N-ras level in tissue specimens obtained after operation were detected via RT-PCR, Western blotting and immunohistochemistry along with correlation analysis. Results: N-ras mRNA in para-carcinoma tissues was significantly reduced compared with carcinoma tissues (P < 0.05). Western blotting and immunohistochemistry showed a significant difference of N-ras protein level between para-carcinoma tissues and carcinoma tissues (P < 0.05). Moreover, N-ras gene expression was siginificantly correlated with the number of tumor nodules, the integrity of tumor capsule, vascular invasion, blood flow classification, RI (P < 0.05). Conclusion: Our data demonstrate the elevation of N-ras in the carcinoma tissues of HCC patients and its correlation with color Doppler imaging manifestations, which lays foundation for the development of the diagnosis of hepatocellular carcinoma.

Relationship of arteriovenous fistula stenosis and thrombosis with the platelet–lymphocyte ratio in hemodialysis patients

2019 ◽  
Vol 21 (5) ◽  
pp. 630-635 ◽  
Author(s):  
Orkun Sarioglu ◽  
Ahmet Ergin Capar ◽  
Umit Belet
Keyword(s):  
Arteriovenous Fistula ◽  
Color Doppler ◽  
Strong Relationship ◽  
Radiology Department ◽  
Control Group ◽  
Lymphocyte Ratio ◽  
Platelet Lymphocyte Ratio ◽  
Significant Difference ◽  
Arteriovenous Fistula Stenosis ◽  
And Control

Background: The platelet–lymphocyte ratio, which was reported to have a strong relationship with chronic inflammation and thrombosis, is a useful biomarker. The purpose of this study was to evaluate the relationship between the platelet–lymphocyte ratio, arteriovenous stenosis, and thrombosis in patients with chronic renal failure. Methods: Patients who were referred to our interventional radiology department due to arteriovenous fistula dysfunction from dialysis units between August 2015 and December 2018 were retrospectively reviewed. In the study, 95 patients with arteriovenous fistula access problems were included. Patients were divided into two groups: stenosis ( n = 52) and thrombosis ( n = 43). Thirty-six subjects with a patent left radiocephalic arteriovenous fistula proven by both color Doppler ultrasonography and clinically were added to the control group. Blood samples were obtained on the same day before the fistulography. Results: Platelet counts, lymphocyte counts, and platelet–lymphocyte ratio were found to be significantly different between the three groups. After the Bonferroni post hoc analysis, there was a significant difference between the stenosis and control group ( p = 0.017), and the thrombosis and control group ( p < 0.001) in terms of the platelet–lymphocyte ratio. No significant difference for any parameter was found between stenosis and thrombosis group. Conclusion: High levels of the platelet–lymphocyte ratio may be a supportive finding of arteriovenous fistula stenosis and thrombosis and can be taken into consideration during hemodialysis-dependent patients’ follow-up.

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