RESUMEN
Objective To establish and validate the ascites volume forecast model of ascites puncture drainage operation with ultrasound measuring for 6 positions in patients with ovarian hyperstimulation syndrome (OHSS),including front of the uterus,Douglas pouch,right iliac fossa,left iliac fossa,hepatorenal recess and spleen kidney fossa.Methods Fifty patients received ultrasonographic measurement (measurement group) and then underwent ascites puncture drainage operation within 6 h.Three scatter diagrams of actual ascites volume (Y;ml) and key position ascites depth summation (X;mm),height correlation coefficient and surface area correlation coefficient were drawn.The simple and practical regression equation with better correlation was used to be the one verified.Then 100 subsequently HSS patients were enrolled in verrification group.Forecast ascites volume calculated with above-mentioned regression equation and actual ascites volume was analyzed with Bland-Altm an method and paired t test.Results Regression equation obtained with the scatter diagram was Y=-256.554 + 10.452X (R2 =0.577),which could be simplified as Y=10.5X-250.0.The limit of consistency between forecast ascites volume and actual ascites volume was (-1 314.02,1 560.48) ml,and the bias was 123.23 ml.The difference between forecast ascites volume and actual ascites volume was not statistically significant (t=-1.684,P=0.096).Conclusion The simplified equation is Y=10.5X-250.0 to forecast ascites volume caused by OHSS,therefore guiding clinical work.
RESUMEN
Objective Three-dimensional(3D) automated ultrasonic volume measurement is becoming favorable in clinical application and turns to be an important direction .The article was to evaluate the consistency of two-dimensional (2D) and three-di-mensional ultrasonography in the diameter measurement of single follicle . Methods 438 single folliculars were respectively meas-ured by the same sonographer in 2D and 3D ultrasonic measurement.2D diameter, 3D mean diameter and 3D virtual ball diameter of every single follicle were recorded , and Bland-Altman method were used to evaluate the consistency of the results by these two meth-ods. Results In the consistency analysis on the diameter measurement of single follicle by 2D and 3D mean diameter measurment methods, d equaled -1.06 mm, and 95% LoA range covered the range of -4.82 mm to 2.70 mm.95% CI of 95% LoA range,-5.21 mm to 3.08 mm, was beyond the settings of clinical acceptable error limit range , -3.56 mm to 1.44 mm, showing poor consis-tency.Likewise, in the research of the consistency in the measurement of 2D diameter and 3D virtual ball diameter in the diameter measurement of single follicle , d equaled -0.07 mm , and 95%LoA range covered the range of -3.11 mm to 2.98 mm.95%CI of 95%LoA range, -3.43 mm to 3.29 mm, was beyond the settings of clinical acceptable error limit range , -2.57 mm to 2.43 mm, showing poor consistency . Conclusion 2D and 3D ultrasound measurements in the diameter measurement of single follicle are not consistent.However, considering the objectivity and accuracy of the results , 3D ultrasonography still has an advantage over 2D ultra-sonography , which can provide more acurate aid for assisted reproductive technology .