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Multicenter Study Supports Safety of Overlapping Orthopaedic Surgery

Created Nov 26 2018, 02:04 PM by Wolters Kluwer Health
  • Journal of Bone and Joint Surgery

November 26, 2018 – For patients undergoing orthopaedic surgery, the use of "overlapping" procedures – where the attending surgeon is simultaneously involved in two different surgeries in different operating rooms – does not lead to an increased risk of complications, reports a study in the November 21, 2018 issue of The Journal of Bone & Joint Surgery. The journal is published in the Lippincott portfolio in partnership with Wolters Kluwer

According to this analysis of thousands of cases from five US medical centers by Christopher J. Dy, MD, MPH, of Washington University School of Medicine, St. Louis, and colleagues, complication rates are at least as low in overlapping versus non-overlapping orthopaedic surgeries. They write: "Our results suggest that overlapping inpatient orthopaedic surgery does not introduce additional perioperative risk for the complications that we evaluated."

Data Support Safety of Overlapping Procedures; Patient Informed Consent Is Essential

Overlapping surgery is commonly used to maximize operating room efficiency. In these procedures, the primary surgeon is involved in different surgeries in different operating rooms at the same time. Although this practice is not new, overlapping surgery has become controversial in the wake of recent high-profile media reports.

Most previous studies of overlapping surgery have found no increase in complications. However, these studies have had significant limitations – particularly in terms of small numbers of patients and low rates of overlapping surgeries.

Dr. Dy and colleagues analyzed 14,135 orthopaedic surgery procedures performed at five university medical centers during 2015. In this multicenter series, 40 percent of procedures were overlapping surgeries, which were defined in this study as "two incisions open simultaneously for one surgeon." The researchers compared complication rates for patients undergoing overlapping versus non-overlapping procedures.

The main analysis showed that overlapping surgery was "noninferior" to non-overlapping surgery in terms of 30-day complication rate. That meant that the group undergoing overlapping surgeries did not have an increase in complications.

In addition to being noninferior, overlapping surgery was associated with a lower complication rate (one percent) compared to non-overlapping surgery (two percent). The analysis was adjusted for other factors affecting the risk of complications, including patient medical conditions, the type of procedure, and the institution where the surgery was performed.

Overlapping surgery was also associated with significant reductions in length of hospital stay and risk of hospital readmission. The researchers emphasize that their findings don't mean that overlapping procedures reduce surgical risks. Rather, they write, "these findings likely reflect characteristics influencing surgical outcomes that we cannot reliably measure…such as individual procedure complexity and surgeon experience."

A survey published last year in The Journal of Bone and Joint Surgery reported that patients and families "aren't comfortable" with the idea of overlapping surgeries. While the new findings support the safety of overlapping orthopaedic procedures, both studies emphasize the importance of patient understanding and informed consent. Dr. Dy and colleagues conclude: "It is incumbent on surgeons who perform overlapping surgery to disclose this practice to their patients and to collect patient-reported outcomes to ensure continuing patient satisfaction and to demonstrate benefit to society."

Click here to read "Safety of Overlapping Inpatient Orthopaedic Surgery"

DOI: 10.2106/JBJS.17.01625

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About The Journal of Bone & Joint Surgery

The Journal of Bone & Joint Surgery (JBJS) has been the most valued source of information for orthopaedic surgeons and researchers for over 125 years and is the gold standard in peer-reviewed scientific information in the field. A core journal and essential reading for general as well as specialist orthopaedic surgeons worldwide, The Journal publishes evidence-based research to enhance the quality of care for orthopaedic patients. Standards of excellence and high quality are maintained in everything we do, from the science of the content published to the customer service we provide. JBJS is an independent, non-profit journal.

About Wolters Kluwer

Wolters Kluwer is a global leader in professional information, software solutions, and services for the health, tax & accounting, finance, risk & compliance, and legal sectors. We help our customers make critical decisions every day by providing expert solutions that combine deep domain knowledge with specialized technology and services.

Wolters Kluwer, headquartered in the Netherlands, reported 2017 annual revenues of €4.4 billion. The company serves customers in over 180 countries, maintains operations in over 40 countries, and employs approximately 19,000 people worldwide.

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