A Mixed Methods Evaluation of Interventions to Meet the Requirements of California Senate Bill 1152 in the Emergency Departments of a Public Hospital System.

Policy Points Clarifications to Senate Bill (SB) 1152 are necessary to address the differences between inpatient and emergency department (ED) discharge processes, determine how frequently an ED must deliver the SB 1152 bundle of services to a single patient, and establish expectations for compliance during off-hours when social services are unavailable. Because homelessness cannot be resolved in a single ED visit, the state should provide funding to support housing-focused case workers that will follow patients experiencing homelessness (PEH) through the transition from temporary shelters to permanent supportive housing. Medi-Cal could fund the delivery of the SB 1152 bundle of services to defray the costs to public hospitals that provide care for high numbers of PEH. California legislators should consider complementary legislation to increase funding for shelters so that sufficient capacity is available to accept PEH from EDs and hospitals, and to fund alternative strategies to prevent poverty and the upstream root causes of homelessness itself. CONTEXT: Prompted by stories of "patient dumping," California enacted Senate Bill (SB) 1152, which mandates that hospitals offer patients experiencing homelessness (PEH) a set of resources at discharge to ensure safety and prevent dumping. METHODS: To evaluate interventions to meet the requirements of SB 1152 across three emergency departments (EDs) of a Los Angeles County public hospital system with a combined annual census of 260,000 visits, we used an explanatory sequential mixed methods approach, focusing first on quantitative evaluation and then using information from qualitative interviews to explain the quantitative findings. FINDINGS: In total, 2.9% (1,515/52,607) of encounters involved PEH. Documentation of compliance with the eight required components of SB 1152 was low, ranging from 9.0% to 33.9%. Twenty-five provider interviews confirmed support for providing assistance to PEH in the ED, but the participants described barriers to compliance, including challenges in implementing universal screening for homelessness, incongruity of the requirements with the ED setting, the complexity of the patients, and the limitations of SB 1152 as a health policy. CONCLUSIONS: Despite operationalizing universal screening for homelessness, we found poor compliance with SB 1152 and identified multiple barriers to implementation.

Mapping Proteome-wide Targets of Glyphosate in Mice.

Glyphosate, the active ingredient in the herbicide Roundup, is one of the most widely used pesticides in agriculture and home garden use. Whether glyphosate causes any mammalian toxicity remains highly controversial. While many studies have associated glyphosate with numerous adverse health effects, the mechanisms underlying glyphosate toxicity in mammals remain poorly understood. Here, we used activity-based protein profiling to map glyphosate targets in mice. We show that glyphosate at high doses can be metabolized in vivo to reactive metabolites such as glyoxylate and react with cysteines across many proteins in mouse liver. We show that glyoxylate inhibits liver fatty acid oxidation enzymes and glyphosate treatment in mice increases the levels of triglycerides and cholesteryl esters, likely resulting from diversion of fatty acids away from oxidation and toward other lipid pathways. Our study highlights the utility of using chemoproteomics to identify novel toxicological mechanisms of environmental chemicals such as glyphosate.