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At least 1,243 records · Page 69Linked to original sources
PubMed2002

Post-surgical cardiac patients receive new level of care.

VNA Home Health Systems in Orange County, California provides intermittent home care for homebound and critically ill patients. The VNA administration recognized the advantages of clinicians using a pocket-sized cardiac monitor. Eager to continually adopt technologies that improve their level of care, the pocket-sized cardiac monitor was a logical addition to VNA's PDA-based clinical tools.

Aftercare↗
PubMed2002

Point and click. (If only it were that easy.).

Along with tight reimbursement and confounding regulations, any list of big headaches for health care leaders includes information technology. We've been promised so much from IT for so long, and have been disappointed so many times, who can blame us for being skeptical, if not downright cynical? When is the last time an investment in information technology actually improved your bottom line? But we know we can't dismiss IT altogether. At the end of the rainbow there really is efficiency, security and better care for patients. So how close are we? In this issue, H&HN takes a hard look at technology--what it can do for us today and tomorrow. We look at return on investment, examining whether hospitals are measuring what they get back against what they put in; a budding effort to bring a common platform to health care IT; handheld computers; electronic medical records; and computerized physician order entry. The technology is out there, but it's fair to ask: is it really clicking yet?

Computer Communication Networks↗
PubMed2002

Dynamics of recovery of morphometrical variables and pQCT-derived cortical bone properties after a short-term protein restriction in maturing rats.

Severe protein restriction during the post-weaning period in the rat markedly reduces femoral bone mass and produces a number of alterations in the shaft biomechanical properties. Body weight and femur length show an immediate and complete catch-up during nutritional rehabilitation. The aim of the present investigation was to assess whether the accelerated bone growth that occurs during protein rehabilitation is accompanied by recovery of cortical bone properties. The dynamics of the recovery of both material and geometric properties were thus evaluated on the femoral diaphyses in 45-day old female rats after a 10-day period of dietary protein restriction by peripheral quantitative computed tomography (pQCT). Protein starvation led to marked reduction of both body weight and femoral length (37% and 14% at day 10, respectively) which showed a complete catch-up after 30 d of protein refeeding. Protein restriction was associated with the interruption of the natural increase in cortical area (CtCSA), volumetric cortical bone mineral content (vCtBMC) and volumetric cortical bone mineral density (vCtBMD) which were 19.7, 25.8, and 14%, respectively, in malnourished than in control rats at the end of the protein starvation period. These parameters recovered completely during protein refeeding. Treatment also reduced by 30% both rectangular (xCSMI) and polar (pCSMI) moments of inertia. Although an improvement of these architectural indicators occurred with time, an approximately 20% deficit was still present at the end of the observation period (70 d), as was the bone strength index (BSI). It is concluded that protein restriction affected the adaptation of diaphyseal design which should reduce the mechanical competence of the femoral diaphysis because of an inadequate architectural distribution of cortical bone, and that the alteration did not show complete catch-up during the studied period.

Aging↗
PubMed2002

VNA of Brooklyn's point-of-care technology. Evolution and use.

To adequately address care, cost, and compliance factors, agencies must radically change the method and the frequency in which they collect and analyze patient data. After thorough review of its operations, the management of Visiting Nurse Association of Brooklyn determined that the last bastion of inefficiency within the agency was its data collection process at the point of care. Agency administrators decided to focus on this area by eliminating its paper-based point-of-care system with a goal of reducing costs and increasing cash flow.

Ambulatory Care Information Systems↗
PubMed2002

Evaluation of a new handheld biosensor for point-of-care testing of whole blood beta-hydroxybutyrate concentration.

OBJECTIVES: To evaluate performance characteristics of the newly available handheld combined glucose and ketone meter for beta-hydroxybutyrate measurement. DESIGN: Laboratory method evaluation. MAIN OUTCOME MEASURES: Accuracy of beta-hydroxybutyrate measurement and effect of acetoacetate interference at clinically important beta-hydroxybutyrate levels. RESULTS: Deming regression analysis of beta-hydroxybutyrate measurements assessed by the ketone sensor and a laboratory enzymatic method revealed a coefficient of determination of 0.989 (P<0.001). Passing-Bablok regression analysis showed a linear relationship between the two methods, ie Y= -0.32+1.13X. The 95% confidence interval of the slope and y-intercept were: slope=1.13 (95% confidence interval, 1.04 to 1.22); intercept= -0.32 (95% confidence interval, -0.59 to -0.06). The Bland-Altman plot showed a small proportional bias between the two methods. The mean bias +/-2 standard deviations was between -0.53 and 0.67 mmol/L. Beta-hydroxybutyrate measurements made by the sensor were linear up to 6 mmol/L. Replicate analysis of two samples spiked with 3.6 mmol/L and 0.8 mmol/L of beta-hydroxybutyrate resulted in coefficients of variation of 3.3% and 13%, respectively. The presence of acetoacetate caused a negative interference in beta-hydroxybutyrate measurement. Beta-hydroxybutyrate recovery was 97.0% and 90.7% when the ketone body ratios were 6:1 and 3:1, respectively. CONCLUSION: The analytical performance of the sensor, when operated according to manufacturer's instructions, could meet the needs of point-of-care beta-hydroxybutyrate measurement. Additional clinical studies are needed to assess the benefits of introducing such an assay in a clinical setting.

3-Hydroxybutyric Acid↗