Patients with pediatric hip disease may have low mortality risk after THA
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Patients with a history of pediatric hip disease who undergo total hip arthroplasty may have a lower risk of mortality compared with the general population, according to results presented at the Virtual EFORT Congress.
Miriam Wadström and colleagues matched 4,043 patients who underwent unilateral or bilateral THA due to secondary osteoarthritis as a consequence of pediatric hip disease with 19,388 matched controls from the general population based on age, sex and place of residence.
“Socioeconomic data was extracted from Statistics Sweden and causes of death were extracted from a Swedish mortality database,” Wadström said in her presentation.
At the time of first surgery, Wadström noted most patients were younger than 50 years old, followed by patients 50 to 59 years of age. She added most patients were female and most had hip dysplasia as the including diagnosis.
“We can see that patients exposed to THA due to pediatric hip disease had lower incomes, lower educational level and a higher degree of comorbidities when compared to the unexposed individuals,” Wadström said. “However, the majority of patients had a low comorbidity level in general and had at least a high school degree.”
Overall, a small number of patients died within 90 days of surgery, according to Wadström. Although hazard ratios showed a reduced 90-day mortality risk among patients who underwent THA, Wadström noted the result was not statistically significant.
“When looking into the overall mortality risk, we found a decreased risk of mortality for the exposed individual as compared to the unexposed group,” Wadström said.
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Wadström M, et al. Paper 666. Presented at: Virtual EFORT Congress; June 30 – July 2, 2021.
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