Racial disparities found in children's urologic surgery

June 17, 2016

Black children who undergo urologic surgery are more likely than white children to have postsurgical complications and hospital-acquired infections 30 days after the surgery. Researchers studying a national database from over 50 U.S. pediatric hospitals suggest that hospitals and policy makers should expand efforts to reduce postoperative adverse events and health disparities in children.

"While racial disparities in surgical outcomes have been reported in adult health care, less is known about possible disparities in pediatric surgery," said first author David I. Chu, M.D., a fellow in Pediatric Urology at The Children's Hospital of Philadelphia (CHOP). "The health disparities we found in children's surgery likely have complex causes, which warrant further investigation."

Chu and colleagues Gregory E. Tasian, M.D., M.Sc., MSCE; and Douglas A. Canning, M.D.; both pediatric urologists at CHOP, co-authored the study, published online today in Pediatrics.

The research team analyzed data from nearly 12,000 patients who underwent pediatric urology procedures in a national database---the National Surgical Quality Improvement Program--Pediatrics (NSQIP-P). NSQIP-P is a registry of surgical cases from more than 50 pediatric hospitals, prospectively collected in 2012 and 2013. The current study covered 40 unique operations, classified into six clinically related procedure groups: ureteral, testicular, renal, urinary diversion, penile and urethral, or bladder procedures. The surgeries spanned common and complex conditions.

The overall 30-day complication rate for all surgeries was 5.9 percent. In comparing non-Hispanic black children to non-Hispanic white children within 30 days after surgery, the study team found that black children had significantly higher odds of overall complications (odds ratio 1.34) and of hospital-acquired infection (odds ratio 1.54). These significant associations were independent of baseline health conditions, type of surgery and other factors.

Within the six procedure groups, bladder procedures and urinary diversions had the highest rates of postoperative morbidity, occurring in over 20 percent of all pediatric patients. The researchers say these high complication rates are not surprising in these procedure groups, which include more complex reconstructive surgeries. Infections in particular are a common risk following these surgeries.

One possible explanation for the racial disparities, say the authors, is that black patients may be more likely than white patients to be treated at hospitals with fewer resources. These differences in resources may be reflected in differences in hospital-level processes of care to prevent postsurgical complications such as infections or readmissions.

Nonetheless, added Chu, further research is needed, both to systematically investigate potential causes of these disparities, and to design care processes and other medical interventions to reduce those disparities.

The National Institutes of Health (NIH) recently recognized health disparities in surgery as a research priority. "We hope that further research will culminate in the development of effective policies that will ensure health equity for all children," said Tasian.
The NIH (grants DK007785 and DK106428) provided grant support for this research. In addition to their CHOP positions, Tasian and Canning also are in the Perelman School of Medicine at the University of Pennsylvania.

David I. Chu et al, "Race and 30-Day Morbidity in Pediatric Urologic Surgery," Pediatrics, published online June 17, 2016. http://doi.org/10.1542/peds.2015-4574

About The Children's Hospital of Philadelphia: The Children's Hospital of Philadelphia was founded in 1855 as the nation's first pediatric hospital. Through its long-standing commitment to providing exceptional patient care, training new generations of pediatric healthcare professionals, and pioneering major research initiatives, Children's Hospital has fostered many discoveries that have benefited children worldwide. Its pediatric research program is among the largest in the country. In addition, its unique family-centered care and public service programs have brought the 535-bed hospital recognition as a leading advocate for children and adolescents. For more information, visit http://www.chop.edu

Children's Hospital of Philadelphia

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