scholarly journals Sincalide-Stimulated Cholescintigraphy: A Multicenter Investigation to Determine Optimal Infusion Methodology and Gallbladder Ejection Fraction Normal Values

2010 ◽  
Vol 51 (2) ◽  
pp. 277-281 ◽  
Author(s):  
H. A. Ziessman ◽  
M. Tulchinsky ◽  
W. C. Lavely ◽  
J. P. Gaughan ◽  
T. W. Allen ◽  
...  
Keyword(s):  
Ejection Fraction ◽  
Normal Values ◽  
Gallbladder Ejection Fraction

Gallbladder Ejection Fraction Declines with Age in Patients Undergoing Cholecystectomy for Acalculous Biliary Symptoms But Has Low Accuracy in the Prediction of Gallbladder Pathology

2015 ◽  
Vol 32 (1) ◽  
pp. 68-72 ◽  
Author(s):  
Aled Jones ◽  
Golnaz Shahtahmassebi ◽  
David Stell
Keyword(s):  
Ejection Fraction ◽  
Predictive Accuracy ◽  
Normal Values ◽  
Normal Population ◽  
Iminodiacetic Acid ◽  
Biliary Colic ◽  
Roc Curve Analysis ◽  
Chi Square ◽  
Gallbladder Ejection Fraction ◽  
Hida Scan

Background/Aims: Hepatobiliary Iminodiacetic Acid (HIDA) scan provides a technique to quantify gallbladder ejection fraction (EF) in patients suffering acalculous biliary colic (ACBC). We wished to evaluate the accuracy of EF in the prediction of gallbladder pathology in patients undergoing cholecystectomy. Methods: Data were retrieved from a database of patients referred for HIDA scan for ACBC, including EF and the pathological outcome of those undergoing cholecystectomy, and compared to normal values obtained from a review of related studies. Significant associations were demonstrated by chi-square, Mann-Whitney test, and linear regression. The predictive accuracy of different cut-offs of EF was demonstrated by the ROC curve analysis. Results: Of 83 patients referred for HIDA scan for ACBC, 41 underwent cholecystectomy. The median EF of this group (33%) was significantly lower than the composite normal median value from previous studies (56%). Thirty-two patients revealed evidence of gallbladder pathology. The EF declined with age (coefficient = -0.51, 95% CI = -0.99 to -0.33), but the median value did not differ between those with gallbladder pathology (34%) and those with normal gallbladders (29%). Conclusion/Discussion: Although an EF cut-off of 35% had the greatest accuracy in the prediction of pathology of those tested (0.56), the poor negative predictive value (23.5%) was a major contributor to its low accuracy. Although patients with ACBC have reduced gallbladder EF compared to the normal population, its quantitative assessment is of limited value in the prediction of gallbladder pathology.

Gallbladder ejection fraction and its relationship to sphincter of Oddi dysfunction

1994 ◽  
Vol 39 (2) ◽  
pp. 289-292 ◽  
Author(s):  
Thomas A. Ruffolo ◽  
Stuart Sherman ◽  
Glen A. Lehman ◽  
Robert H. Hawes
Keyword(s):  
Ejection Fraction ◽  
Sphincter Of Oddi ◽  
Sphincter Of Oddi Dysfunction ◽  
Gallbladder Ejection Fraction ◽  
Oddi Dysfunction

Laparoscopic Cholecystectomy for Treatment of Biliary Dyskinesia is Safe and Effective in the Pediatric Population

2008 ◽  
Vol 74 (11) ◽  
pp. 1069-1072 ◽  
Author(s):  
Matthew Hofeldt ◽  
Bryan Richmond ◽  
Kristy Huffman ◽  
Jennings Nestor ◽  
Damian Maxwell
Keyword(s):  
Laparoscopic Cholecystectomy ◽  
Ejection Fraction ◽  
Perioperative Complications ◽  
Pediatric Population ◽  
Biliary Dyskinesia ◽  
Quadrant Pain ◽  
Gallbladder Ejection Fraction ◽  
Patients Âgés ◽  
History Of

Experience with laparoscopic cholecystectomy for biliary dyskinesia in children remains limited. The aim of this study was to examine the results of a single institution's experience with laparoscopic cholecystectomy for the treatment biliary dyskinesia in the pediatric population. Medical records were reviewed on all patients younger than age 18 who underwent laparoscopic cholecystectomy at our institution from July 2004 to December 2006. Patients undergoing surgery for biliary dyskinesia, as evidenced by a preoperative gallbladder ejection fraction of 40 per cent or less, comprised the study group. Of the 51 pediatric laparoscopic cholecystectomies, 30 (58.8%) were performed for biliary dyskinesia. The patients’ ages ranged from 7 to 17 (mean, 12.67 years; SD, 2.75). Symptoms consisted of chronic right upper quadrant pain (96.67%), nausea/vomiting (73.33%), back pain (30.0%), weight loss (13.33%), and a history of pancreatitis (6.66%). The amount of time between onset of symptoms and surgery was as follows: 1 to 3 months (34.62%), 4 to 6 months (30.77%), 7 to 12 months (7.69%), and greater than 1 year (26.92%). Gallbladder ejection fraction ranged from 1 to 36 per cent (mean, 14.7%). Seven of the 30 (26.67%) underwent endoscopic evaluation as part of their preoperative workup (six upper endoscopy, one colonoscopy), all of which were noncontributory. Pathology revealed chronic cholecystitis in 26 of 30 (93.3%), no abnormalities in three of 30 (10.0%), and unexpected cholelithiasis in one of 30 (3.33%). No perioperative complications were encountered. Twenty-nine of the 30 patients were available for follow up and all but one reported relief of symptoms (96.55%). This study supports the use of laparoscopic cholecystectomy as a safe and effective treatment for biliary dyskinesia in the pediatric population. The success rate in our study was substantially higher than that reported in previous series. Routine preoperative endoscopy was not used and was reserved for investigation of ambiguous or unrelated complaints.

scholarly journals P1766 Comparison of left ventricular stroke volume in healthy adults among regions around the world: results from the World Alliance of Societies of Echocardiography (WASE) Normal Values Study

2020 ◽  
Vol 21 (Supplement_1) ◽  
Author(s):  
T Miyoshi ◽  
K Addetia ◽  
A Blitz ◽  
R Lang ◽  
F Asch
Keyword(s):  
Ejection Fraction ◽  
Stroke Volume ◽  
Surface Area ◽  
Body Surface Area ◽  
Body Surface ◽  
Normal Values ◽  
Left Ventricular ◽  
Normative Values ◽  
The World ◽  
American Society

Abstract Funding Acknowledgements WASE Normal Values Study is sponsored by American Society Echocardiography Foundation. OnBehalf the WASE Investigators Background The American Society of Echocardiography (ASE) and the European Association of Cardiovascular Imaging (EACVI) chamber quantification guidelines provide normal reference values for a variety of size and function parameters. While used worldwide, these were predominantly obtained from American and European Caucasian populations and may not represent individuals from other regions around the world. Accordingly, ASE in collaboration with its International Alliance Partners conducted the World Alliance of Societies of Echocardiography (WASE) Normal Values Study to establish and compare normal echocardiographic values across races, ethnicities and countries worldwide. While most previous studies focused on left ventricular (LV) size and ejection fraction, LV stroke volume (SV) in healthy normal subjects has not been well defined. In this report, we aim to examine similarities and differences in normal LV SV indexed by body surface area (SVI) among regions around the world. Methods WASE Normal Values Study is a multinational, observational, cross-sectional study. Individuals free from known cardiac, lung and renal disease were prospectively enrolled with even distribution among age groups and gender. Echocardiographic images were acquired following a standardized protocol. LV SV was assessed by Doppler-derived (LVOT diameter and VTI) and two-dimensional (2D) biplane Simpson’s methods. LV SVI was calculated to account for differences in body size. These measurements were analyzed (TOMTEC) in a single core laboratory following ASE/EACVI Guidelines. Results As of May 2019, LV SV has been analyzed in 1164 cases from 13 countries, representing 8 distinct regions worldwide. In this population, age, body surface area and 2D LV ejection fraction were 47 ± 17 years old (range 18-87 years old), 1.76 ± 0.22 m² (range 0.95-2.44 m²) and 63.2 ± 2.9 % (range 52.7-73.7 %), respectively. LV SV and SVI by Doppler were larger than those obtained by 2D method in all regions. LV SV and SVI in both methods had significant differences among regions (p< 0.0001, Kruskal-Wallis test). LV SV and SVI in South Asia (India) were smallest in both methods and were also significantly smaller than other Asian regions (Figure). North America and Europe had largest LV SV and SVI by Doppler method, while Oceania had largest values by 2D. Conclusions The WASE Normal Values Study shows geographical variability in LV SVI across continents and countries. This information should be considered when determining normative values for SV and SVI. Abstract P1766 Figure.

Gallbladder Ejection Fraction

2000 ◽  
Vol 25 (1) ◽  
pp. 1 ◽  
Author(s):  
ALAN SIEGEL ◽  
J. CHRISTOPHER KUHN ◽  
HARTE CROW ◽  
STEPHEN HOLTZMAN
Keyword(s):  
Ejection Fraction ◽  
Gallbladder Ejection Fraction

What Value Is Normal for Gallbladder Ejection Fraction, and How Is It Established?

Radiology ◽  
2003 ◽  
Vol 226 (2) ◽  
pp. 593-595 ◽  
Author(s):  
Gerbail T. Krishnamurthy ◽  
Shakuntala Krishnamurthy
Keyword(s):  
Ejection Fraction ◽  
Gallbladder Ejection Fraction
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