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TOPLINE:
Older adults with antineutrophil cytoplasmic antibody (ANCA)–associated vasculitis face a higher risk for end-stage renal disease or mortality and severe infections. However, frailty, more than age, predicts severe infections within 2 years of diagnosis.
METHODOLOGY:
- Researchers conducted a retrospective cohort study using data from the Mass General Brigham ANCA-associated vasculitis cohort in the United States.
- They included 234 individuals (median age, 75 years) with incident ANCA-associated vasculitis who were treated from January 2002 to December 2019.
- Baseline frailty was measured using a claims-based frailty index, with data collected in the year before treatment initiation; individuals were categorized as those who were nonfrail, prefrail, mildly frail, and moderately to severely frail.
- Frailty, either mild or moderate to severe, was noted in 44 of 118 individuals aged ≥ 75 years and in 25 of 116 individuals aged 65-74 years.
- The outcomes of interest were the incidences of end-stage renal disease or death and severe infections within 2 years of diagnosis. The association of age and frailty with clinical outcomes was assessed in those aged 65-74 years and ≥ 75 years.
TAKEAWAY:
- Frailty was a significant predictor of severe infections within 2 years of ANCA-associated vasculitis diagnosis (adjusted hazard ratio [aHR], 8.46; 95% CI, 3.95-18.14), showing a stronger association than seen for chronological age ≥ 75 years (aHR, 2.52; 95% CI, 1.26-5.04).
- The incidence of severe infections was higher in those with vs without frailty in the age groups 65-74 years (38.9 vs 0.8 cases per 100 person-years) and ≥ 75 years (61.9 vs 12.3 cases per 100 person-years).
- Older age (≥ 75 years) was associated with an increased risk for end-stage renal disease or death (aHR, 4.50; 95% CI, 1.83-11.09); however, frailty was not.
- The effect of frailty on end-stage renal disease or death varied by age, with a larger difference observed in individuals aged 65-74 years (frail vs nonfrail, 7.5 vs 2.0 cases per 100 person-years) than in those aged ≥ 75 years (13.5 vs 16.0 cases per 100 person-years).
IN PRACTICE:
“Our results highlight the fact that assessment of frailty in the care of older adults with ANCA-associated vasculitis can distinguish a group of patients at increased risk of severe infections who might benefit from interventions to minimize infection risk and optimize outcomes,” the authors wrote.
“Incorporating frailty screening into the management of ANCA-associated vasculitis provides an opportunity to offer personalized, evidence-based care to frail older adults,” Alexandra Legge, MD, Dalhousie University, Halifax, Nova Scotia, Canada, wrote in an associated comment published online in The Lancet Rheumatology.
SOURCE:
This study was led by Sebastian E. Sattui, MD, Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Pittsburgh in Pennsylvania. It was published online on September 18, 2024, in The Lancet Rheumatology.
LIMITATIONS:
The study’s observational design and single-center setting limited the generalizability of the findings. Residual confounding may have been possible despite adjustments for relevant baseline factors. The requirement of at least one healthcare encounter before baseline may have underrepresented individuals without frailty. Differences in treatment patterns after the baseline period were not controlled for.
DISCLOSURES:
The study was supported by the National Institutes of Health and the National Institute of Arthritis and Musculoskeletal and Skin Diseases. Some authors reported receiving grants, research support, consulting fees, honoraria, or royalties or serving on advisory boards of pharmaceutical companies and other sources outside of the submitted work.
This article was created using several editorial tools, including AI, as part of the process. Human editors reviewed this content before publication. A version of this article first appeared on Medscape.com.
TOPLINE:
Older adults with antineutrophil cytoplasmic antibody (ANCA)–associated vasculitis face a higher risk for end-stage renal disease or mortality and severe infections. However, frailty, more than age, predicts severe infections within 2 years of diagnosis.
METHODOLOGY:
- Researchers conducted a retrospective cohort study using data from the Mass General Brigham ANCA-associated vasculitis cohort in the United States.
- They included 234 individuals (median age, 75 years) with incident ANCA-associated vasculitis who were treated from January 2002 to December 2019.
- Baseline frailty was measured using a claims-based frailty index, with data collected in the year before treatment initiation; individuals were categorized as those who were nonfrail, prefrail, mildly frail, and moderately to severely frail.
- Frailty, either mild or moderate to severe, was noted in 44 of 118 individuals aged ≥ 75 years and in 25 of 116 individuals aged 65-74 years.
- The outcomes of interest were the incidences of end-stage renal disease or death and severe infections within 2 years of diagnosis. The association of age and frailty with clinical outcomes was assessed in those aged 65-74 years and ≥ 75 years.
TAKEAWAY:
- Frailty was a significant predictor of severe infections within 2 years of ANCA-associated vasculitis diagnosis (adjusted hazard ratio [aHR], 8.46; 95% CI, 3.95-18.14), showing a stronger association than seen for chronological age ≥ 75 years (aHR, 2.52; 95% CI, 1.26-5.04).
- The incidence of severe infections was higher in those with vs without frailty in the age groups 65-74 years (38.9 vs 0.8 cases per 100 person-years) and ≥ 75 years (61.9 vs 12.3 cases per 100 person-years).
- Older age (≥ 75 years) was associated with an increased risk for end-stage renal disease or death (aHR, 4.50; 95% CI, 1.83-11.09); however, frailty was not.
- The effect of frailty on end-stage renal disease or death varied by age, with a larger difference observed in individuals aged 65-74 years (frail vs nonfrail, 7.5 vs 2.0 cases per 100 person-years) than in those aged ≥ 75 years (13.5 vs 16.0 cases per 100 person-years).
IN PRACTICE:
“Our results highlight the fact that assessment of frailty in the care of older adults with ANCA-associated vasculitis can distinguish a group of patients at increased risk of severe infections who might benefit from interventions to minimize infection risk and optimize outcomes,” the authors wrote.
“Incorporating frailty screening into the management of ANCA-associated vasculitis provides an opportunity to offer personalized, evidence-based care to frail older adults,” Alexandra Legge, MD, Dalhousie University, Halifax, Nova Scotia, Canada, wrote in an associated comment published online in The Lancet Rheumatology.
SOURCE:
This study was led by Sebastian E. Sattui, MD, Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Pittsburgh in Pennsylvania. It was published online on September 18, 2024, in The Lancet Rheumatology.
LIMITATIONS:
The study’s observational design and single-center setting limited the generalizability of the findings. Residual confounding may have been possible despite adjustments for relevant baseline factors. The requirement of at least one healthcare encounter before baseline may have underrepresented individuals without frailty. Differences in treatment patterns after the baseline period were not controlled for.
DISCLOSURES:
The study was supported by the National Institutes of Health and the National Institute of Arthritis and Musculoskeletal and Skin Diseases. Some authors reported receiving grants, research support, consulting fees, honoraria, or royalties or serving on advisory boards of pharmaceutical companies and other sources outside of the submitted work.
This article was created using several editorial tools, including AI, as part of the process. Human editors reviewed this content before publication. A version of this article first appeared on Medscape.com.
TOPLINE:
Older adults with antineutrophil cytoplasmic antibody (ANCA)–associated vasculitis face a higher risk for end-stage renal disease or mortality and severe infections. However, frailty, more than age, predicts severe infections within 2 years of diagnosis.
METHODOLOGY:
- Researchers conducted a retrospective cohort study using data from the Mass General Brigham ANCA-associated vasculitis cohort in the United States.
- They included 234 individuals (median age, 75 years) with incident ANCA-associated vasculitis who were treated from January 2002 to December 2019.
- Baseline frailty was measured using a claims-based frailty index, with data collected in the year before treatment initiation; individuals were categorized as those who were nonfrail, prefrail, mildly frail, and moderately to severely frail.
- Frailty, either mild or moderate to severe, was noted in 44 of 118 individuals aged ≥ 75 years and in 25 of 116 individuals aged 65-74 years.
- The outcomes of interest were the incidences of end-stage renal disease or death and severe infections within 2 years of diagnosis. The association of age and frailty with clinical outcomes was assessed in those aged 65-74 years and ≥ 75 years.
TAKEAWAY:
- Frailty was a significant predictor of severe infections within 2 years of ANCA-associated vasculitis diagnosis (adjusted hazard ratio [aHR], 8.46; 95% CI, 3.95-18.14), showing a stronger association than seen for chronological age ≥ 75 years (aHR, 2.52; 95% CI, 1.26-5.04).
- The incidence of severe infections was higher in those with vs without frailty in the age groups 65-74 years (38.9 vs 0.8 cases per 100 person-years) and ≥ 75 years (61.9 vs 12.3 cases per 100 person-years).
- Older age (≥ 75 years) was associated with an increased risk for end-stage renal disease or death (aHR, 4.50; 95% CI, 1.83-11.09); however, frailty was not.
- The effect of frailty on end-stage renal disease or death varied by age, with a larger difference observed in individuals aged 65-74 years (frail vs nonfrail, 7.5 vs 2.0 cases per 100 person-years) than in those aged ≥ 75 years (13.5 vs 16.0 cases per 100 person-years).
IN PRACTICE:
“Our results highlight the fact that assessment of frailty in the care of older adults with ANCA-associated vasculitis can distinguish a group of patients at increased risk of severe infections who might benefit from interventions to minimize infection risk and optimize outcomes,” the authors wrote.
“Incorporating frailty screening into the management of ANCA-associated vasculitis provides an opportunity to offer personalized, evidence-based care to frail older adults,” Alexandra Legge, MD, Dalhousie University, Halifax, Nova Scotia, Canada, wrote in an associated comment published online in The Lancet Rheumatology.
SOURCE:
This study was led by Sebastian E. Sattui, MD, Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Pittsburgh in Pennsylvania. It was published online on September 18, 2024, in The Lancet Rheumatology.
LIMITATIONS:
The study’s observational design and single-center setting limited the generalizability of the findings. Residual confounding may have been possible despite adjustments for relevant baseline factors. The requirement of at least one healthcare encounter before baseline may have underrepresented individuals without frailty. Differences in treatment patterns after the baseline period were not controlled for.
DISCLOSURES:
The study was supported by the National Institutes of Health and the National Institute of Arthritis and Musculoskeletal and Skin Diseases. Some authors reported receiving grants, research support, consulting fees, honoraria, or royalties or serving on advisory boards of pharmaceutical companies and other sources outside of the submitted work.
This article was created using several editorial tools, including AI, as part of the process. Human editors reviewed this content before publication. A version of this article first appeared on Medscape.com.