• Gaby Moawad, Daniel Park, Marloes Maasen, Anja Frost, and Paul Tyan.
• Division of Minimally Invasive Gynecologic Surgery, Department of Obstetrics and Gynecology, George Washington University, Washington, DC (Drs. Moawad and Maasen).
• J Minim Invasive Gynecol. 2020 Jan 1; 27 (1): 195-199.

Study ObjectiveOur primary goal was to uncover preoperative and intraoperative risk factors that prevented same-day discharge (SDD) after myomectomy in a setting where SDD was the standard of care. Uncovered predictors would serve to enhance patient counseling and medical optimization before surgery.DesignSingle-center retrospective cohort study.SettingUrban university hospital center, by fellowship-trained minimally invasive gynecologic surgeons.PatientsA total of 315 consecutive patients undergoing minimally invasive myomectomy between March 2012 and May 2018.InterventionMinimally invasive myomectomy.Measurements And Main ResultsPreoperative and intraoperative characteristics were collected for analysis as predictors of SDD vs overnight admission. Comparisons of demographic, clinical, imaging, and operative characteristics were made using appropriate statistical methods for normally distributed, skewed, and categorical variables. Length of stay was analyzed as a categorical variable, SDD vs overnight admission. A logistic regression model was used to evaluate SDD vs any overnight stay. Out of the 315 patients undergoing laparoscopic myomectomy, 208 (66.03%) were discharged on the same day, and 107 (33.96%) were admitted for at least 1 day after surgery. The patients were more likely to be admitted overnight if they were of Asian ethnicity (p = .01), or if they had a lower preoperative Hct (36.15 vs 37.57; p < .003). An increase in any myoma characteristic metric was associated with overnight stay after surgery; these included mean myoma weight (512.0 g vs 310.1 g; p < .001), estimated size of the largest myoma on imaging (9.01 cm vs 7.77 cm; p < .001), and number of myomas removed (6.59 vs 5.57; p = .021). Other statistically significant differences between the overnight admission and SDD groups were mean estimated blood loss (599.4 mL vs 221.9 mL; p < .001), operative time (224.4 minutes vs 140.9 minutes; p < .001), and surgery end time (15:02 hours vs 12:43 hours; p < .001). Intraoperative complications associated with overnight admission were estimated blood loss >1 L (p < .001) and any intraoperative transfusion (p < .001). The adjusted logistic regression model identified an increase in operative time (by 60 minutes) and later surgery end time (by 60 minutes) as predictors of an overnight stay, whereas an 5% increase in preoperative hematocrit was associated with a 34% decrease in odds for an overnight stay.ConclusionPerioperative factors, such as preoperative hematocrit, and myoma characteristics, as well as intraoperative factors, such as prolonged operative time and surgery end-time, are independent predictors of overnight hospital admission after minimally invasive myomectomy. Our present data can be used to provide better patient counseling before surgery.Copyright © 2019. Published by Elsevier Inc.

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