PubMed · 9043292
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C A Pierson. 1996. No small task.. https://pubmed.ncbi.nlm.nih.gov/9043292/
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This study examined Hispanic versus non-Hispanic white patterns of needing assistance with instrumental activities of daily living (IADL). The authors interviewed 798 Hispanic and 614 non-Hispanic white residents of rural Colorado, who were aged 60 years and older between 1993 and 1995. Seventy-five participants were nursing home residents at the time of the interview. Community-dwelling Hispanics were 1.6 times as likely as non-Hispanic whites to need assistance with at least one IADL task (95% confidence interval 1.25-2.13). A larger proportion of disabled non-Hispanic whites were in nursing homes but, after including nursing home residents, Hispanics remained significantly more likely to need assistance on at least one IADL task (odds ratio = 1.49, 95% confidence interval 1.16-1.93). Hispanics were also more likely to have difficulty on observed performance tasks. The Hispanic excess was not removed by adjusting for chronic disease, reported difficulty walking, or income. English language proficiency adjustment lowered the Hispanic excess, but adjusting for years of education or Mini-Mental State Examination scores more completely removed the ethnic differences. Higher education was protective for both Hispanic and non-Hispanic white elderly. Efforts to further investigate what facets or correlates of education are operating may offer useful insights into limiting IADL difficulties in future cohorts.
BACKGROUND: Vertebral fractures are a hallmark of postmenopausal osteoporosis and an important end point in trials of osteoporosis treatment, but the clinical significance of these fractures remains uncertain. OBJECTIVE: To determine the association of new vertebral fractures with back pain and back-related functional limitation in older women. DESIGN: Prospective observational study. SETTING: Multicenter Study of Osteoporotic Fractures. PARTICIPANTS: 7223 white women aged 65 years and older. MEASUREMENTS: Lateral spine radiographs were obtained at baseline and at a follow-up examination an average of 3.7 years later. Prevalent and incident radiographic vertebral fractures were assessed by quantitative morphometry. Frequency and severity of back pain, disability in doing six activities involving the back, and days of bed rest and days of limited activity due to back pain were assessed annually by questionnaire during follow-up. RESULTS: Among women without a vertebral fracture at baseline, those with at least one incident vertebral fracture were more likely to have increased back pain (odds ratio [OR], 2.4 [95% CI, 1.7 to 3.3]) and back disability (OR, 2.6 [CI, 1.9 to 3.7]) and at least 1 day of bed rest due to back pain (OR, 6.7 [CI, 4.4 to 10.2]) and 7 days of limited activity due to back pain per year (OR, 3.8 [CI, 2.7 to 5.0]). Among women with a fracture at baseline, those with an incident vertebral fracture also had a greater risk for increased back pain (OR, 2.0 [CI, 1.4 to 2.8]) and back disability (OR, 2.2 [CI, 1.5 to 3.1]) and at least 1 day of bed rest (OR, 7.9 [CI, 4.9 to 12.9]) and 7 days of limited activity per year (OR, 3.5 [CI, 2.4 to 5.0]). Women with incident fracture had about 10 additional limited-activity days and 1 to 2 days of bed rest per year. New vertebral fractures that did not come to medical attention were associated with increased back pain and functional limitation. CONCLUSION: New vertebral fractures, even those not recognized clinically, are associated with substantial increases in back pain and functional limitation due to back pain in older white women. Prevention of new vertebral fractures should reduce the burden of back pain and functional limitation in women with vertebral osteoporosis.
BACKGROUND: Elderly persons who have osteoporotic hip fracture are often undernourished, particularly with respect to protein. Protein malnutrition may contribute to the occurrence and outcome of hip fracture. OBJECTIVE: To investigate whether oral protein supplements benefit bone metabolism in patients with recent hip fracture. DESIGN: 6-month, randomized, double-blind, placebo-controlled trial with a 6-month post-treatment follow-up. SETTING: University orthopedic ward. PATIENTS: 82 patients (mean age, 80.7 +/- 7.4 years) with recent osteoporotic hip fracture. Patients received calcium supplementation, 550 mg/d, and one dose of vitamin D, 200,000 IU (at baseline). INTERVENTION: Protein supplementation, 20 g/d, or isocaloric placebo (among controls). MEASUREMENTS: Bone mineral density, biochemical markers of bone remodeling, calciotropic hormone levels, biochemically evaluated nutritional and immunologic status, and muscle strength were measured every 6 months. RESULTS: Compared with controls, patients who received protein supplements had significantly greater increases in serum levels of insulin-like growth factor-I (85.6% +/- 14.8% and 34.1% +/- 7.2% at 6 months; difference, 51.5 percentage points [95% CI, 18.6 to 84.4 percentage points]; P = 0.003) and an attenuation of the decrease in proximal femur bone mineral density (-2.29% +/- 0.75% and -4.71% +/- 0.77% at 12 months; difference, 2.42 percentage points [CI, 0.26 to 4.59 percentage points]; P = 0.029). Seven and 13 new vertebral deformities were found among patients who received protein supplements and controls, respectively (P > 0.2). Median stay in rehabilitation wards was shorter for patients who received protein supplements than for controls (33 days [CI, 29 to 56 days] and 54 days [CI, 44 to 62 days]; difference, 21 days [CI, 4 to 25 days]; P = 0.018). CONCLUSION: Protein repletion after hip fracture was associated with increased serum levels of insulin-like growth factor-I, attenuation of proximal femur bone loss, and shorter stay in rehabilitation hospitals.