Publications
Department of Medicine faculty members published more than 3,600 peer-reviewed articles in 2024.
2005
Relation of tissue displacement and strain to invasively determined right ventricular stroke volume.
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OBJECTIVES
There is scant data on the sexual behaviors of women of diverse sexual orientations in a low-risk population.
GOALS
The goals of this study were to sample women of all sexual orientations in primary care settings and to evaluate sexual behaviors and risk for HIV and other sexually transmitted diseases (STDs).
STUDY
A total of 1,304 women (self-identified as 49% heterosexual, 11% bisexual, and 40% lesbian) were surveyed by anonymous questionnaire at 33 healthcare sites.
RESULTS
Among women who recently had sex with men (N = 600), 51% reported ever using condoms. Heterosexual women were at highest risk for acquiring HIV as a result of lack of condom use (P <0.001), particularly in higher-risk situations. Bisexual women reported substance use with sex at a higher rate than lesbians or heterosexual women (P <0.001). Lesbians had higher rates of sex with bisexual men (P <0.001) and injection drug users (P <0.02), but also a higher rate of condom use (P <0.001) compared with bisexual or heterosexual women.
CONCLUSION
Women of all sexual orientations, and particularly heterosexual women, engaged in behaviors that put them at risk for HIV and STD.
View on PubMed2005
We conducted case studies of fourteen solo or small-group primary care practices using electronic health record (EHR) software from two vendors. Initial EHR costs averaged $44,000 per full-time-equivalent (FTE) provider, and ongoing costs averaged $8,500 per provider per year. The average practice paid for its EHR costs in 2.5 years and profited handsomely after that; however, some practices could not cover costs quickly, most providers spent more time at work initially, and some practices experienced substantial financial risks. Policies should be designed to provide incentives and support services to help practices improve the quality of their care by using EHRs.
View on PubMed2005
BACKGROUND
A disproportionate number of women diagnosed with cervical cancer are from low-income and/or ethnically diverse groups. This study was designed to evaluate the effectiveness of an outreach and counseling intervention at improving the rate of follow-up of abnormal Pap smears among women at Alameda County Medical Center, Oakland, CA.
METHODS
Between September 1, 1999 and August 31, 2001, 348 women with abnormal Pap test results were randomly assigned to intervention or usual care. The main outcome was rate of follow-up.
RESULTS
The intervention produced a significant increase in the rate of follow-up visits within 6 months. Women in the intervention group were much more likely to obtain timely follow-up at Highland Hospital than were those in the control group (61% vs. 32%, P = 0.001). The intervention was equally effective when delivered to women in the control group who had no follow-up by 6 months. Overall, we were able to contact 90% of women in the intervention group.
CONCLUSIONS
An outreach intervention is highly effective at increasing follow-up of abnormal Pap smears in a public hospital setting. Institutions offering cervical cancer screening to low-income, high-risk women should consider the use of outreach workers to reduce loss to follow-up.
View on PubMed2005
Lipoprotein associated phospholipase A2 (Lp-PLA2), a biomarker of oxidation and inflammation, has been associated with increased coronary heart disease (CHD) risk. To date, data examining the effect of HMG CoA reductase inhibitors on Lp-PLA2 are few. We evaluated the effect of pravastatin 40 mg daily versus placebo on Lp-PLA2 levels among 481 subjects free of cardiovascular disease (pravastatin N=246 and placebo N=235) who participated in the Pravastatin Inflammation/CRP Study (PRINCE). After 12 weeks, Lp-PLA2 levels decreased by 22.1% among pravastatin treated participants and by 7.8% among those randomized to placebo (p<0.001). These results were similar in all subgroups evaluated according to age, blood pressure, lipid parameters, diabetic status, smoking status, aspirin use, body mass index and gender. There were correlations between change in Lp-PLA2 levels and baseline Lp-PLA2 levels (r=-0.63, p<0.001), total cholesterol change (r=-0.26, p<0.001), LDL-C change (r=-0.32, p<0.001) and C-reactive protein (CRP) change (r=-0.13, p=0.05). Multivariate linear regression models that assessed the relationship between the log difference in Lp-PLA2 at 12 weeks and treatment revealed a beta-coefficient of 0.15 for the treatment variable (p<0.01). However, adjustment for change in LDL-C substantially attenuated the beta-coefficient associated with treatment to 0.07 (P<0.005) and after additional control for other potential confounders, the effect of treatment was no longer significant. Thus, Lp-PLA2 levels were significantly reduced at 12 weeks by pravastatin, an effect that was significantly related to LDL cholesterol reduction accounting for about 6% of the variability in this response. Moreover, pravastatin induced reduction in Lp-PLA2 was no longer significant after taking the latter into account.
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