Publications

OBJECTIVE

To evaluate whether HIV-infected women and men in HIV care and not using highly effective methods of contraception thought they would be more likely to use contraception if it were available at the HIV clinic.

METHODS

A face-to-face survey assessing family-planning knowledge, attitudes, and practices was conducted among 976 HIV-infected women and men at 18 public-sector HIV clinics in Nyanza, Kenya. Data were analyzed using logistic regression and generalized estimating equations.

RESULTS

The majority of women (73%) and men (71%) thought that they or their partner would be more likely to use family planning if it were offered at the HIV clinic. In multivariable analysis, women who reported making family-planning decisions with their partner (adjusted odds ratio [aOR] 3.22; 95% confidence interval [CI], 1.53-6.80) and women aged 18-25 years who were not currently using family planning (aOR 4.76; 95% CI, 2.28-9.95) were more likely to think they would use contraception if integrated services were available. Women who perceived themselves to be infertile (aOR 0.07; 95% CI, 0.02-0.31) and had access to a cell phone (aOR 0.40; 95% CI, 0.25-0.63) were less likely to think that integrated services would change their contraceptive use. Men who were not taking antiretroviral medications (aOR 3.30; 95% CI, 1.49-7.29) were more likely, and men who were unsure of their partner's desired number of children (aOR 0.36; 95% CI, 0.17-0.76), were not currently using family planning (aOR 0.40; 95% CI, 0.22-0.73), and were living in a peri-urban setting (aOR 0.46; 95% CI, 0.21-0.99) were less likely to think their partner would use contraception if available at the HIV clinic.

CONCLUSIONS

Integrating family planning into HIV care would probably have a broad impact on the majority of women and men accessing HIV care and treatment. Integrated services would offer the opportunity to involve men more actively in the contraceptive decision-making process, potentially addressing 2 barriers to family planning: access to contraception and partner uncertainty or opposition.

BACKGROUND

The regional variability of percutaneous coronary intervention (PCI) rates may be explained by variations in the medical treatment of stable coronary artery disease. We sought to determine whether greater regional use of antianginal medications in PCI patients is associated with lower regional rates of PCI.

METHODS AND RESULTS

Using CathPCI Registry and Dartmouth Atlas data, we examined patients undergoing elective PCI for stable coronary artery disease from January 1, 2009, through March 31, 2011, and calculated rates of providing ≥ 2 antianginal medicines before PCI. We regressed the hospital referral region rates of PCI per 1000 Medicare enrollees in 2007 on the regions' rates of providing ≥ 2 antianginal medications before PCI. Among 300772 PCI procedures, 32.8%, 48.3%, 16.1%, and 2.8% of patients were on 0, 1, 2, or ≥ 3 antianginal medications, respectively. The median rate of providing ≥ 2 antianginal medications before PCI was 18.9%. Although substantial variability existed across hospital referral regions in providing ≥ 2 antianginal medications and in rates of PCI from the Dartmouth Atlas, there was no association between the rates of PCI in each hospital referral region and the rates of ≥ 2 antianginal medications before PCI (Spearman ρ, 0.0277; P=0.64).

CONCLUSIONS

We found no association between the intensity of antianginal therapy and the use of PCI across hospital referral regions, despite the variability of both. Opportunities likely exist in many regions to increase the use of antianginal therapy before proceeding to elective PCI, and more research is needed to explain observed variations in care.

Enterococci commonly cause hospital-acquired infections, such as infective endocarditis and catheter-associated urinary tract infections. In animal models of these infections, a long hairlike extracellular protein fiber known as the endocarditis- and biofilm-associated (Ebp) pilus is an important virulence factor for Enterococcus faecalis. For Ebp and other sortase-assembled pili, the pilus-associated sortases are essential for fiber formation as they create covalent isopeptide bonds between the sortase recognition motif and the pilin-like motif of the pilus subunits. However, the molecular requirements governing the incorporation of the three pilus subunits (EbpA, EbpB, and EbpC) have not been investigated in E. faecalis. Here, we show that a Lys residue within the pilin-like motif of the EbpC subunit was necessary for EbpC polymerization. However, incorporation of EbpA into the pilus fiber only required its sortase recognition motif (LPXTG), while incorporation of EbpB only required its pilin-like motif. Only the sortase recognition motif would be required for incorporation of the pilus tip subunit, while incorporation of the base subunit would only require the pilin recognition motif. Thus, these data support a model with EbpA at the tip and EbpB at the base of an EbpC polymer. In addition, the housekeeping sortase, SrtA, was found to process EbpB and its predicted catalytic Cys residue was required for efficient cell wall anchoring of mature Ebp pili. Thus, we have defined molecular interactions involved in fiber polymerization, minor subunit organization, and pilus subcellular compartmentalization in the E. faecalis Ebp pilus system. These studies advance our understanding of unique molecular mechanisms of sortase-assembled pilus biogenesis.