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Objective: To determine if the use of intraoperative hemostatic agents was a risk factor for post-operative adverse events within 30 days of patients undergoing hysterectomy.Method: A population-based retrospective cohort study included data from patients undergoing hysterectomy for any indication between January 1, 2013, and December 31, 2014, at 52 hospitals in Michigan, USA. Any individuals with missing covariate data were excluded, and multivariable logistic regression and propensity score-matching were used to estimate the rate of post-operative adverse events associated with intra-operative hemostatic agents independent of demographic and surgical factors.Results: There were 17 960 surgical procedures included in the analysis, with 4659 (25.9%) that included the use of hemostatic agents. Hemostatic agent use was associated with an increase in predicted hospital re-admissions (P=0.007). Among all hysterectomy approaches, and after adjusting for demographic and surgical factors, hemostatic agent use during robotic-assisted laparoscopic hysterectomy was associated with an increased predicted rate of blood transfusions (P=0.019), an increased predicted rate of pelvic abscess diagnoses (P=0.001), an increased predicted rate of hospital re-admission (P=0.001), and an increased predicted rate of re-operation (P=0.021).Conclusion: Hemostatic agents should be used carefully owing to associations with increased post-operative re-admissions and re-operations when used during hysterectomy. [ABSTRACT FROM AUTHOR]

Background: Healthcare teams that frequently follow a bundle of evidence-based processes provide care with lower rates of morbidity. Few process bundles to improve surgical outcomes in hysterectomy have been identified.Objective: The purpose of this study was to investigate whether a bundle of 4 perioperative care processes is associated with fewer postoperative complications and readmissions for hysterectomies in the Michigan Surgical Quality Collaborative.Study Design: A bundle of perioperative care process goals was developed retrospectively with 30-day peri- and postoperative outcome data from the Hysterectomy Initiative in Michigan Surgical Quality Collaborative. All benign hysterectomies that had been performed between January 2013 and January 2015 were included. Based on evidence of lower complication rates after benign hysterectomy, the following processes were considered to be the "bundle": use of guideline-appropriate preoperative antibiotics, a minimally invasive surgical approach, operative duration <120 minutes, and avoidance of intraoperative hemostatic agent use. Each process was considered present or absent, and the number of processes was summed for a bundle score that ranged from 0-4. Cases with a score of zero were excluded. Outcomes measured were rates of complications (any and major) and hospital readmissions, all within 30 days of surgery. Postoperative events that were considered a "major complication" included acute renal failure, cardiac arrest that required cardiopulmonary resuscitation, central line infection, cerebral vascular accident, death, deep vein thrombosis, intestinal obstruction, myocardial infarction, pelvic abscess, pulmonary embolism, rectovaginal fistula, sepsis, surgical site infection (deep and organ-space), unplanned intubation, ureteral obstruction, and ureterovaginal and vesicovaginal fistula. The outcome "any complication" included all those events already described in addition to blood transfusion within 72 hours of surgery, urinary tract infection, and superficial surgical site infection. Outcomes were adjusted for patient demographics, surgical factors, and hospital-level clustering effects.Results: There were 16,286 benign hysterectomies available for analysis. Among all hysterectomies that were reviewed, 33.6% met criteria for all bundle processes; however, there was wide variation in the rate among the 56 hospitals in the study sample with 9.1% of cases at the lowest quartile and 60.4% at the highest quartile of hospitals that met criteria for all bundle processes. Overall, the rate of any complication was 6.8% and of any major complication was 2.3%. The rate of hospital readmissions was 3.6%. After adjustment for confounders, in cases in which all bundle criterion were met compared with cases in which all bundle criterion were not met, the rate of any complications increased from 4.3-7.8% (P<.001); major complications increased from 1.7-2.6% (P<.001), and readmissions increased from 2.6-4.1% (P<.001). After adjustment for confounders, hospitals with greater rates of meeting all 4 criteria were associated significantly with lower hospital-level rates of postoperative complications (P<.001) and readmissions (P<.001).Conclusions: This multiinstitutional evaluation reveals that reduced morbidity and readmission are associated with rates of bundle compliance. The proposed bundle is a surgical goal, which is not possible in every case, and there is significant variation in the proportion of cases meeting all 4 bundle processes in Michigan hospitals. Implementation of evidence-based process bundles at a healthcare system level are worthy of prospective study to determine whether improvements in patient outcomes are possible. [ABSTRACT FROM AUTHOR]

Objective: To compare preoperative chlorhexidine-alcohol topical antiseptic agent with povidone-iodine in patients undergoing abdominal hysterectomy for benign indications.Methods: A retrospective cohort study of patients undergoing abdominal hysterectomy from July 2012 to February 2015 in the Michigan Surgical Quality Collaborative was performed. The primary exposure was the use of chlorhexidine-alcohol or povidone-iodine. The primary outcome was surgical site infection within 30 days. Multivariable logistic regression and propensity score matching analysis were done to estimate the independent association of skin antiseptic choice on the rate of surgical site infection.Results: Of the total 4,259 abdominal hysterectomies included, chlorhexidine-alcohol was used in 70.5% (n=3,005) and povidone-iodine in 29.5% (n=1,254) of surgeries. The overall unadjusted rate of any surgical site infection was 2.9% (95% CI 2.5-3.5; n=124). The unadjusted rate of surgical site infection 2.6% (95% CI 2.1-3.3; n=79) for chlorhexidine-alcohol and 3.6% (95% CI 2.7-4.8; n=45; P=.09) for the povidone-iodine group. Using multivariate logistic regression and adjusting for differences between populations in patient demographic factors (age and body mass index), medical comorbidities (American Society of Anesthesiologists class and diabetes status), perioperative variables (estimated blood loss, surgical time, intraoperative adhesions, and antibiotic categories), and hospital characteristics (bed size and teaching status), we estimate that patients receiving chlorhexidine-alcohol had 44% lower odds of developing a surgical site infection (adjusted odds ratio 0.56, 95% CI 0.37-0.85, P=.01). Propensity score matching (one to one) yielded 808 patients in the chlorhexidine-alcohol group and 845 patients in the povidone-iodine group. In the matched groups, the rate of surgical site infection was 1.5% (95% CI 0.8-2.6; n=12) for the chlorhexidine-alcohol group and 4.7% (95% CI 3.5-6.4; n=40) for the povidone-iodine group (P<.001).Conclusion: In abdominal hysterectomy performed for benign indications, chlorhexidine-alcohol-based skin antisepsis is associated with overall lower odds of surgical site infection compared with povidone-iodine. [ABSTRACT FROM AUTHOR]