Rehospitalizations after surgical site infections add $10-65 million to health-care costs

Public release date: 4-Jun-2012
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Contact: Liz Garman
egarman@apic.org
202-454-2604
Association for Professionals in Infection Control

San Antonio, Texas, June 4, 2012 Preventing further complications in patients who develop infections after surgery to replace a knee or hip could save the U.S. healthcare system as much as $65 million annually, according to an analysis presented today at the 39th Annual Educational Conference and International Meeting of the Association for Professionals in Infection Control and Epidemiology (APIC).

The research team, led by Keith Kaye, MD, MPH, corporate director of Infection Prevention, Hospital Epidemiology and Antimicrobial Stewardship at Detroit Medical Center/Wayne State University, analyzed data from health insurance claims for approximately 40 million insured individuals covered by employer-based health plans. Their goal was to uncover the rate of readmission and the financial impact of surgical site infections (SSI) beyond the initial hospitalization for that diagnosis.

The team chose to follow patients who had received artificial knees and hips because treatment for an infected joint can be prolonged, involving lengthy courses of antibiotics and additional surgeries.

Of the 174,425 patients in the database who underwent hip or knee replacement in 2007, 2,134 (1.2 percent) were hospitalized for a surgical site infection (SSI) within one year following their procedure (in 2008). Of those, 267 (12.5 percent) were subsequently re-hospitalized in the year after the initial SSI hospitalization (in 2009) specifically due to SSI-related issues, for a total of 384 hospitalizations. The data also showed that 870 patients with SSI (40.8 percent) were hospitalized for other reasons labeled "all cause" during the year after their diagnosis, accounting for 1,770 readmissions.

Subsequent rehospitalizations for SSI were associated with an average hospital stay of 8.6 days, costing on average $26,812. Additional all-cause hospital readmissions were associated with an average hospital stay of 6.2 days and a cost of $31,046.

According to the Centers for Disease Control and Prevention, infections develop in about 1 to 3 out of every 100 patients who have surgery.

"The prosthetic joint population was important to study because these patients are particularly vulnerable to adverse events following surgical site infections, leading to unnecessary pain, suffering and medical costs," said Kaye. "This analysis shows the devastation of these infections and probably underestimates the true extent of the problem. Given the government's focus on reducing readmission rates, such complications could likely be a future target for decreased reimbursement."

A goal of the national Partnership for Patients is to reduce hospital readmissions by 20 percent by the end of 2013, as compared to 2010.

"What's important about the analysis by Dr. Kaye and colleagues is the report on the human suffering and financial impact of potentially preventable readmissions associated with SSI and all cause readmissions," said APIC 2012 President Michelle Farber, RN, CIC. "Infection preventionists need to be familiar with healthcare quality incentive programs to demonstrate the value of the infection prevention program to the financial health of their organizations and patient experience."

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The APIC 2012 Annual Conference, June 4-6 in San Antonio, is the most comprehensive infection prevention conference in the world, featuring more than 100 educational sessions and workshops led by top health experts. The conference is designed to help attendees translate the latest science into practical strategies for the reduction of healthcare-associated infections. The Twitter hashtag #APIC2012 is being used for the meeting.

Oral Presentation #118 Readmissions after Diagnosis of Surgical Site Infection Following Knee and Hip Arthroplasty, 6/4/12, 2-2:15 pm, CDT.

ABOUT APIC

APIC's mission is to create a safer world through prevention of infection. The association's more than 14,000 members direct infection prevention programs that save lives and improve the bottom line for hospitals and other healthcare facilities. APIC advances its mission through patient safety, implementation science, competencies and certification, advocacy, and data standardization. Follow APIC on Twitter: http://twitter.com/apic.

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Public release date: 4-Jun-2012
[ | E-mail | Share ]

Contact: Liz Garman
egarman@apic.org
202-454-2604
Association for Professionals in Infection Control

San Antonio, Texas, June 4, 2012 Preventing further complications in patients who develop infections after surgery to replace a knee or hip could save the U.S. healthcare system as much as $65 million annually, according to an analysis presented today at the 39th Annual Educational Conference and International Meeting of the Association for Professionals in Infection Control and Epidemiology (APIC).

The research team, led by Keith Kaye, MD, MPH, corporate director of Infection Prevention, Hospital Epidemiology and Antimicrobial Stewardship at Detroit Medical Center/Wayne State University, analyzed data from health insurance claims for approximately 40 million insured individuals covered by employer-based health plans. Their goal was to uncover the rate of readmission and the financial impact of surgical site infections (SSI) beyond the initial hospitalization for that diagnosis.

The team chose to follow patients who had received artificial knees and hips because treatment for an infected joint can be prolonged, involving lengthy courses of antibiotics and additional surgeries.

Of the 174,425 patients in the database who underwent hip or knee replacement in 2007, 2,134 (1.2 percent) were hospitalized for a surgical site infection (SSI) within one year following their procedure (in 2008). Of those, 267 (12.5 percent) were subsequently re-hospitalized in the year after the initial SSI hospitalization (in 2009) specifically due to SSI-related issues, for a total of 384 hospitalizations. The data also showed that 870 patients with SSI (40.8 percent) were hospitalized for other reasons labeled "all cause" during the year after their diagnosis, accounting for 1,770 readmissions.

Subsequent rehospitalizations for SSI were associated with an average hospital stay of 8.6 days, costing on average $26,812. Additional all-cause hospital readmissions were associated with an average hospital stay of 6.2 days and a cost of $31,046.

According to the Centers for Disease Control and Prevention, infections develop in about 1 to 3 out of every 100 patients who have surgery.

"The prosthetic joint population was important to study because these patients are particularly vulnerable to adverse events following surgical site infections, leading to unnecessary pain, suffering and medical costs," said Kaye. "This analysis shows the devastation of these infections and probably underestimates the true extent of the problem. Given the government's focus on reducing readmission rates, such complications could likely be a future target for decreased reimbursement."

A goal of the national Partnership for Patients is to reduce hospital readmissions by 20 percent by the end of 2013, as compared to 2010.

"What's important about the analysis by Dr. Kaye and colleagues is the report on the human suffering and financial impact of potentially preventable readmissions associated with SSI and all cause readmissions," said APIC 2012 President Michelle Farber, RN, CIC. "Infection preventionists need to be familiar with healthcare quality incentive programs to demonstrate the value of the infection prevention program to the financial health of their organizations and patient experience."

###

The APIC 2012 Annual Conference, June 4-6 in San Antonio, is the most comprehensive infection prevention conference in the world, featuring more than 100 educational sessions and workshops led by top health experts. The conference is designed to help attendees translate the latest science into practical strategies for the reduction of healthcare-associated infections. The Twitter hashtag #APIC2012 is being used for the meeting.

Oral Presentation #118 Readmissions after Diagnosis of Surgical Site Infection Following Knee and Hip Arthroplasty, 6/4/12, 2-2:15 pm, CDT.

ABOUT APIC

APIC's mission is to create a safer world through prevention of infection. The association's more than 14,000 members direct infection prevention programs that save lives and improve the bottom line for hospitals and other healthcare facilities. APIC advances its mission through patient safety, implementation science, competencies and certification, advocacy, and data standardization. Follow APIC on Twitter: http://twitter.com/apic.

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[ | E-mail | Share ]

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AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.

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