Longer Operative Time During Benign Laparoscopic and Robotic Hysterectomy Is Associated With Increased 30-Day Perioperative Complications

Tatiana Catanzarite*, Sujata Saha, Matthew A. Pilecki, John Y.S. Kim, Magdy P. Milad

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

75 Scopus citations

Abstract

Study Objective: The relationship between operative time and perioperative morbidity has not been fully characterized in gynecology. We aimed to determine the impact of operative time on 30-day perioperative complications after laparoscopic and robotic hysterectomy. Design: Patients undergoing laparoscopic and robotic hysterectomy for benign disease from 2006 to 2011 within the National Surgical Quality Improvement Program (NSQIP) database were identified by Current Procedural Terminology code. Operative times were stratified into 60-minute intervals and complication rates analyzed. Primary outcomes included 30-day overall, medical, and surgical complications. Bivariate analyses using χ2, Fisher's exact, and one-way analysis of variance tests were performed to compare clinical and procedural characteristics associated with longer operative time and complications. Multivariable logistic regression analyses were then performed to determine the independent association between operative time and perioperative complications. Design Classification: Canadian Task Force classification II-2 (Evidence obtained from well-designed cohort or case-control studies preferably from more than 1 center or research group). Setting: American College of Surgeons NSQIP. Patients: Patients who underwent laparoscopic or robotic hysterectomy for benign disease from 2006 to 2011 at any institution participating in NSQIP. Interventions: None, retrospective database study. Measurements and Main Results: Of the 7630 laparoscopic and robotic hysterectomies identified, 399 patients (5.2%) experienced complications, most commonly urinary tract infection (UTI; 2.1%), superficial surgical site infection (1.0%), and blood transfusion (1.0%). Return to the operating room was required in 97 patients (1.3%), and there were 4 deaths, for a mortality rate of.05%. Complications increased steadily with longer operative time. Operative time ≥ 240 minutes was associated with increased overall complications (13.8% vs 4.6%, p <.001), surgical complications (5.4% vs 1.5%, p <.001), medical complications (10.4% vs 3.2%, p <.001), return to the operating room (2.7% vs 1.2%, p =.002), deep venous thrombosis (.5% vs.06%, p =.011), pulmonary embolism (.7% vs.1%, p =.012), and blood transfusion (3.4% vs.8%, p <.001). These associations remained statistically significant after multivariable regression analysis. Based on continuous regression modeling, each additional hour of operative time would be expected to increase odds of overall complications (odds ratio [OR], 1.4; 95% confidence interval [CI], 1.28-1.54; p <.001), medical complications (OR, 1.42; 95% CI, 1.28-1.57; p <.001), surgical complications (OR, 1.32; 95% CI, 1.17-1.49; p <.001), venous thromboembolism (OR, 1.47; 95% CI, 1.12-1.92; p =.005), UTI (OR, 1.20; 95% CI, 1.05-1.36; p =.006), blood transfusion (OR, 1.42; 95% CI, 1.18-1.71; p <.001), and return to the operating room (OR, 1.25; 95% CI, 1.08-1.45; p =.003). Conclusion: We demonstrated a direct, independent association between operative time and 30-day complications after laparoscopic and robotic hysterectomy. Future research should aim to further delineate risk factors for prolonged operative time and morbidity in laparoscopic hysterectomy to allow surgeons to maximize preoperative planning and optimize patient selection for minimally invasive hysterectomy.

Original languageEnglish (US)
Pages (from-to)1049-1058
Number of pages10
JournalJournal of Minimally Invasive Gynecology
Volume22
Issue number6
DOIs
StatePublished - 2015

Keywords

  • Gynecologic surgery
  • Laparoscopic hysterectomy
  • Operative time
  • Perioperative complications

ASJC Scopus subject areas

  • Obstetrics and Gynecology

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