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. 2015 Mar 6;10(3):e0118923.
doi: 10.1371/journal.pone.0118923. eCollection 2015.

Using HIV surveillance registry data to re-link persons to care: the RSVP Project in San Francisco

Kate Buchacz  1 , Miao-Jung Chen  2 , Maree Kay Parisi  2 , Maya Yoshida-Cervantes  2 , Erin Antunez  2 , Viva Delgado  2 , Nicholas J Moss  3 , Susan Scheer  2
Affiliations

Using HIV surveillance registry data to re-link persons to care: the RSVP Project in San Francisco

Kate Buchacz et al. PLoS One. .

Abstract

Background: Persons with unsuppressed HIV viral load (VL) who disengage from care may experience poor clinical outcomes and potentially transmit HIV. We assessed the feasibility and yield of using the San Francisco Department of Public Health (SFDPH) enhanced HIV surveillance system (eHARS) to identify and re-engage such persons in care.

Methods: Using SFDPH eHARS data as of 4/20/2012 (index date), we selected HIV-infected adults who were alive, had no reported VL or CD4 cell count results in the past nine months (proxy for "out-of-care") and a VL >200 copies/mL drawn nine to 15 months earlier. We prioritized cases residing locally for investigation, and used information from eHARS and medical and public health databases to contact them for interview and referral to the SFDPH linkage services (LINCS). Twelve months later, we matched-back to eHARS data to assess how HIV laboratory reporting delays affected original eligibility, and if persons had any HIV laboratory results performed and reported within 12 months after index date ('new labs').

Results: Among 434 eligible persons, 282 were prioritized for investigation, of whom 75 (27%) were interviewed, 79 (28%) could not be located, and 48 (17%) were located out of the area. Among the interviewed, 54 (72%) persons accepted referral to LINCS. Upon match-back to eHARS data, 324 (75%) in total were confirmed as eligible, including 221 (78%) of the investigated; most had new labs.

Conclusions: Among the investigated persons presumed out-of-care, we interviewed and offered LINCS referral to about one-quarter, demonstrating the feasibility but limited yield of our project. Matching to updated surveillance data revealed that a substantial minority did not disengage from care and that most re-engaged in HIV care. Verifying persons' HIV care status with medical providers and improving timeliness of transfer and cross-jurisdictional sharing of HIV laboratory data may aid future efforts.

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Conflict of interest statement

Competing Interests: The authors have declared that no competing interests exist.

Figures

Fig 1
Fig 1. Re-engaging Surveillance-Identified Viremic Persons (RSVP) Project in San Francisco, 2012–2013: Design and Timeline.
Fig 2
Fig 2. RSVP Project Implementation Flowchart.
Fig 3
Fig 3. Disposition for 282 Investigated Cases, the RSVP Project, San Francisco, 2012–2013 (n = 282).
See this image and copyright information in PMC

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