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Background and objectives: Changes in ESRD reimbursement policy, including proposed bundled payment, have raised concern that dialysis facilities may use "cherry picking" practices to attract a healthier, better insured, or more adherent patient population.

Design, setting, participants, & measurements: As part of a national survey to measure beliefs about drivers of quality in dialysis, respondents were asked about their perceptions of cherry picking, including the frequency and effect of various cherry picking strategies on dialysis outcomes. We surveyed a random sample of 250 nurse members of the American Nephrology Nurses Association, 250 nephrologist members of the American Medical Association, 50 key opinion leaders, and 2000 physician members of the Renal Physicians Association. We tested hypothesized predictors of perception, including provider group, region, age, experience, and the main practice facility features.

Results: Three-quarters of respondents reported that cherry picking occurred "sometimes" or "frequently." There were no differences in perceptions by provider or facility characteristics, insurance status, or health status. In multivariable regression, perceived cherry picking was 2.8- and 3.5-fold higher in the northeast and Midwest, respectively, versus the west. Among various cherry picking strategies, having a "low threshold to ‘fire' chronic no-shows/late arrivers," and having a "low threshold to ‘fire' for noncompliance with diet and meds" had the largest perceived association with outcomes.

Conclusions: Under current reimbursement practices, dialysis caregivers perceive that cherry picking is common and important. An improved understanding of cherry picking practices, if evident, may help to protect vulnerable patients if reimbursement practices were to change.

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Clinical Journal of the American Society of Nephrology
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Glenn M. Chertow
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Rationale: Timeliness is one of six important dimensions of health care quality recognized by the Institute of Medicine. Objectives: To evaluate timeliness of lung cancer care and identify institutional characteristics associated with timely care within the VA Health Care System. Methods: We used data from a VA nation-wide retrospective chart review and an independent audit of VA cancer programs to examine the association between time to first treatment and potentially explanatory institutional characteristics (e.g. volume of lung cancer patients) for 2,372 veterans diagnosed with lung cancer between 1/1/02 and 9/1/05 at 127 VA medical centers. We developed linear mixed effects models to control for clustering of patients within hospitals and stratified analyses by stage. Measurements and Main Results: Median time to treatment varied widely between (23 to 182 days) and within facilities. Median time to treatment was 90 days in stage I or II patients and 52 days in those with more advanced disease (p<0.0001). Factors associated with shorter times to treatment included a non-academic setting and the existence of a specialized diagnostic clinic (in patients with limited stage disease), performing a patient flow analysis (in patients with advanced disease), and leadership beliefs about providing timely care (in both groups). However, institutional characteristics explained <1% of the observed variation in treatment times. Conclusions: Time to lung cancer treatment in U.S. veterans is highly variable. The numerous institutional characteristics we examined explained relatively little of this variability, suggesting that patient, clinician, and/or unmeasured institutional characteristics may be more important determinants of timely care.

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American Journal of Respiratory and Critical Care Medicine
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BACKGROUND:: Hormone replacement therapy (HRT) was widely used among postmenopausal women until 2002 because observational studies suggested that HRT reduced cardiovascular risk. The Womens' Health Initiative randomized trial reported opposite results in 2002, which caused HRT use to drop sharply. OBJECTIVE:: We examine the relationship between HRT use and cardiovascular outcomes (deaths and nonfatal hospitalizations) in the entire US population, which has not been studied in prior clinical trials or observational studies. METHODS:: We use an instrumental variables regression design to analyze the relationship between medication use, cardiovascular risk factors, and acute stroke and myocardial infarction event rates in women aged 40 to 79 years. The natural experiment of the 2002 decline in HRT usage mitigates confounding factors. We use US death records, hospital discharge data obtained from the Healthcare Cost and Utilization Project's Nationwide Inpatient Sample, and nationally representative surveys of medication usage, and behavioral risk factors. RESULTS:: Decreases in HRT use were not associated with statistically significant changes in hospitalizations or deaths due to acute stroke (0.000002, P = 0.999, 95% CI: -0.0027 to 0.0027). Decreased HRT use was associated with a decrease in the incidence of acute myocardial infarction (-0.0025 or -25 events/10,000 person-years, P = 0.021, 95% CI: -0.0047 to -0.0004). The results were similar in a sensitivity analysis using alternate data sources. CONCLUSIONS:: Decreased HRT use was not associated with reduced acute stroke rate but was associated with a decreased acute myocardial infarction rate among women. Our results suggest that observational data can provide correct inferences on clinical outcomes in the overall population if a suitable natural experiment is identified.

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Medical Care
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Understanding the factors that affect physicians' job satisfaction is important not only to physicians themselves, but also to patients, health system managers, and policy makers. Physicians represent the crucial resource in health-care delivery. In order to enhance efficiency and quality in health care, it is indispensable to analyse and consider the motivators of physicians. Physician job satisfaction has significant effects on productivity, the quality of care, and the supply of physicians.

The purpose of our study was to assess the associations between work-related monetary and non-monetary factors and physicians' work satisfaction as perceived by similar groups of physicians practicing at academic medical centres in Germany and the U.S.A., two countries that, in spite of differing health-care systems, simultaneously experience problems in maintaining their physician workforce. We used descriptive statistics, factor and correlation analyses to evaluate physicians' responses to a self-administered questionnaire.

Our study revealed that overall German physicians were less satisfied than U.S. physicians. With respect to particular work-related predictors of job satisfaction we found that similar factors contributed to job satisfaction in both countries. To improve physicians' satisfaction with working conditions, our results call for the implementation of policies that reduce the time burden on physicians to allow more time for interaction with patients and colleagues, increase monetary incentives, and enhance physicians' participation in the development of care management processes and in managerial decisions that affect patient care.

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Gesundheitswesen
Authors
Laurence C. Baker
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BACKGROUND: Less than one third of the 65 million Americans with hypertension have adequate blood pressure (BP) control. This study examined the effectiveness of 2 interventions for improving patient BP control. METHODS: This was a 2-level (primary care provider and patient) cluster randomized trial with 2-year follow-up occurring among patients with hypertension enrolled from a Veterans Affairs Medical Center primary care clinic. Primary care providers (n = 17) in the intervention received computer-generated decision support designed to improve guideline concordant medical therapy at each visit; control providers (n = 15) received a reminder at each visit. Patients received usual care or a bimonthly tailored nurse-delivered behavioral telephone intervention to improve hypertension treatment. The primary outcome was proportion of patients who achieved a BP <140/90 mm Hg (<130/85 for diabetic patients) over the 24-month intervention. RESULTS: Of the 816 eligible patients contacted, 190 refused and 38 were excluded. The 588 enrolled patients had a mean age of 63 years, 43% had adequate baseline BP control, and 482 (82%) completed the 24-month follow-up. There were no significant differences in amount of change in BP control in the 3 intervention groups as compared to the hypertension reminder control group. In secondary analyses, rates of BP control for all patients receiving the patient behavioral intervention (n = 294) improved from 40.1% to 54.4% at 24 months (P = .03); patients in the nonbehavioral intervention group improved from 38.2% to 43.9% (P = .38), but there was no between-group differences at the end of the study. CONCLUSION: The brief behavioral intervention showed improved outcomes over time, but there were not significant between group differences.

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American Heart Journal
Authors
Mary K. Goldstein
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Objectives From 1994 to the year 2000 the government of Puerto Rico implemented a health care reform which included the mandatory enrollment of the entire Medicaid eligible population under Medicaid managed care (MMC) plans. This study assessed the effect of MMC on the use, initiation, utilization, and adequacy of prenatal care services over the reform period.

Methods Using the vital records of all infants born alive in Puerto Rico from the year 1995-2000, a series of bivariate and multivariate analyses were conducted to assess the effect of insurance status (traditional Medicaid, MMC, private insurance and uninsured) on prenatal care utilization patterns. In order to assess the potential influence of selection bias in generating the health insurance assignments, propensity scores (PS) were estimated and entered into the multivariate regressions.

Results MMC had a generally positive effect on the frequency and adequacy of prenatal care when compared with the experience of women covered by traditional Medicaid. However, the PS analyses suggested that self-selection may have generated part of the observed beneficial effects. Also, MMC reduced but did not eliminate the gap in the amount and adequacy of prenatal care received by pregnant women covered by Medicaid when compared to their counterparts covered by private insurance.

Conclusions The Puerto Rico Health Reform to implement MMC for pregnant women was associated with a general improvement in prenatal care utilization. However, continued progress will be necessary for women covered by Medicaid to reach prenatal care utilization levels experienced by privately insured women.

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Maternal and Child Health Journal
Authors
Paul H. Wise
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Nationally representative data on the quality of care for obese patients in US-ambulatory care settings are limited. We conducted a cross-sectional analysis of the 2005 and 2006 National Ambulatory Medical Care Survey (NAMCS). We examined obesity screening, diagnosis, and counseling during adult visits and associations with patient and provider characteristics. We also assessed performance on 15 previously published ambulatory quality indicators for obese vs. normal/overweight patients. Nearly 50% (95% confidence interval (CI): 46–54%) of visits lacked complete height and weight data needed to screen for obesity using BMI. Of visits by patients with clinical obesity (BMI ≥30.0 kg/m2), 70% (66–74%) were not diagnosed and 63% (59–68%) received no counseling for diet, exercise, or weight reduction. The percentage of visits not being screened (48%), diagnosed (66%), or counseled (54%) for obesity was also notably higher than expected even for patients with known obesity comorbidities. Performance (defined as the percentage of applicable visits receiving appropriate care) on the quality indicators was suboptimal overall. In particular, performance was no better than 50% for eight quality indicators, which are all related to the prevention and treatment of obesity comorbidities, e.g., coronary artery disease, hypertension, hyperlipidemia, asthma, and depression. Performance did not differ by weight status for any of the 15 quality indicators; however, poorer performance was consistently associated with lack of height and weight measurements. In conclusion, many opportunities are missed for obesity screening and diagnosis, as well as for the prevention and treatment of obesity comorbidities, in office-based practices across the United States, regardless of patient and provider characteristics.

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Obesity
Authors
Randall S. Stafford
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