No significantly increased risk of revision arthroplasty, deep infection, or deep venous thrombosis was found in patients with diabetes (as defined on the basis of preoperative HbA1c levels and other criteria) compared with patients without diabetes in the study population of patients who underwent elective total knee arthroplasty.
Background Current evidence does not clearly identify the contribution of kidney function decline and mortality to racial disparities in ESRD incidence. We used observed eGFR to project the time of onset of kidney failure and examined mortality to better understand these racial disparities. Study Design Retrospective cohort. Setting & Participants Adult members of Kaiser Permanente Southern California from 2003–2009 with >2 serum creatinine tests and >180 days between tests: 526,498 whites, 350,919 Hispanics, 136,923 blacks, and 105,476 Asians. Predictor Race/ethnicity. Outcomes ESRD (dialysis, transplantation); mortality. Measurements eGFR decline was modeled using linear regression. Kidney failure was projected based on predicted eGFR <15 mL/min/1.73m2 at specified times. Racial differences in projected kidney failure and mortality among those with projected kidney failure were estimated with adjustment for age, sex, and entry eGFR. Results Blacks had more extreme rates of eGFR decline (1st percentile, −23.6 mL/min/1.73m2 per year), followed by Hispanics (−20.9 mL/min/1.73m2 per year), whites (−20.1 mL/min/1.73m2 per year), and Asians (−17.6 mL/min/1.73m2 per year; P<0.001). There were 25,065 white, 11,368 Hispanic, 6,785 black, and 3,176 Asians with projected kidney failure during the study period. The ORs for projected kidney failure vs. whites during CKD stages 3 and 4 were 1.54 (95% CI, 1.46–1.62) in blacks, 1.49 (95% CI, 1.42–1.56) in Hispanics, and 1.41 (95% CI, 1.32–1.51) in Asians. Among those with projected kidney failure, the HRs of death vs. whites during CKD stages 3 and 4 were 0.82 (95% CI, 0.77–0.88) in blacks, 0.67 (95% CI, 0.63–0.72) in Hispanics, and 0.58 (95% CI, 0.52–0.65) in Asians. Limitations Results may not generalize to the uninsured or subgroups within a race. Projected kidney failure was based on linear trends from clinically obtained eGFR. Conclusions We found more extreme rates of eGFR decline in blacks. Projected kidney failure during CKD stages 3 and 4 was high in blacks, Hispanics, and Asians relative to whites. Mortality among those with projected kidney failure was highest in whites. Differences in eGFR decline and mortality contributed to racial disparities in ESRD incidence.
Objective To describe the prevalence, trends, and patterns in use of antidiabetic medications to treat hyperglycemia and insulin resistance prior to and during pregnancy in a large U.S. cohort of insured pregnant women. Methods Pregnancies resulting in livebirths were identified (N=437,950) from 2001–2007 among 372,543 women 12–50 years of age at delivery from 10 health maintenance organizations participating in the Medication Exposure in Pregnancy Risk Evaluation Program. Information for these descriptive analyses, including all antidiabetic medications dispensed during this period, was extracted from electronic health records and infant birth certificates. Results Just over one percent (1.21%) of deliveries were to women dispensed antidiabetic medication(s) in the 120 days before pregnancy. Use of antidiabetic medications before pregnancy increased from 0.66% of deliveries in 2001 to 1.66% of deliveries in 2007 (p<0.001) due to a rise in metformin use. Most women using metformin before pregnancy had a diagnosis code for polycystic ovaries or female infertility (67.2%) while only 13.6% had a diagnosis code for diabetes. The use of antidiabetic medications during the second or third trimester of pregnancy increased from 2.8% of deliveries in 2001 to 3.6% in 2007 (p <0.001). Approximately two-thirds (68%) of women using metformin before pregnancy did not use any antidiabetic medications during pregnancy. Conclusions Antidiabetic medication use prior to and during pregnancy rose from 2001–2007, possibly due to increasing prevalence of gestational diabetes mellitus, type 1 and type 2 diabetes, and other conditions associated with insulin resistance.
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