Behind the cascade: Analyzing spatial patterns along the HIV care continuum

Journal of Acquired Immune Deficiency Syndromes

Volumn 64, Issue SUPPL. 1, 2013, Pages

  Eberhart, Michael G ^a   Yehia, Baligh R ^b,c   Hillier, Amy ^d   Voytek, Chelsea D ^e   Blank, Michael B ^e   Frank, Ian ^e   Metzger, David S ^e,f   Brady, Kathleen A ^a,b  

^a PHILADELPHIA DEPARTMENT OF PUBLIC HEALTH   (United States)

^b UNIVERSITY OF PENNSYLVANIA   (United States)

^c VETERANS AFFAIRS MEDICAL CENTER   (United States)

^d UNIVERSITY OF PENNSYLVANIA   (United States)

^e UNIVERSITY OF PENNSYLVANIA   (United States)

^f TREATMENT RESEARCH INSTITUTE   (United States)

Author keywords

Care linkage; GIS; Retention; Spatial patterns; Viral suppression

Indexed keywords

ADULT; ARTICLE; ETHNICITY; FEMALE; GEOGRAPHIC DISTRIBUTION; HEALTH CARE; HEALTH CARE PLANNING; HEALTH INSURANCE; HEALTH SERVICE; HUMAN; HUMAN IMMUNODEFICIENCY VIRUS INFECTION; INFECTION RISK; MAJOR CLINICAL STUDY; MALE; MEDICAL CARE; PRIORITY JOURNAL; PRISON; SPATIAL ANALYSIS; VIRUS TRANSMISSION;

ADULT; ANTI-RETROVIRAL AGENTS; CONTINUITY OF PATIENT CARE; DELIVERY OF HEALTH CARE; FEMALE; GEOGRAPHIC INFORMATION SYSTEMS; HIV INFECTIONS; HIV SEROPOSITIVITY; HUMANS; MALE; MIDDLE AGED; PHILADELPHIA; SPATIAL ANALYSIS; VIRAL LOAD; YOUNG ADULT;

EID: 84886498532     PISSN: 15254135     EISSN: 10779450     Source Type: Journal    
DOI: 10.1097/QAI.0b013e3182a90112     Document Type: Article

References (47)

1. Cohen MS, Chen YQ, McCauley M, et al. Prevention of HIV-1 infection with early antiretroviral therapy. N Engl J Med. 2011;365: 493-505.
2. Attia S, Egger M, Muller M, et al. Sexual transmission of HIV according to viral load and antiretroviral therapy: systematic review and meta-analysis. AIDS. 2009;23: 1397-1404.
3. Gardner EM, McLees MP, Steiner JF, et al. The spectrum of engagement in HIV care and its relevance to test-and-treat strategies for prevention of HIV infection. Clin Infect Dis. 2011;52: 793-800.
4. Centers for Disease Control and Prevention. Vital signs: HIV prevention through care and treatment - United States. MMWR Morb Mortal Wkly Rep. 2011;60: 1618-1623.
5. Kilmarx PH, Mutasa-Apollo T. Patching a leaky pipe: the cascade of HIV care. Curr Opin HIV AIDS. 2013;8: 59-64.
6. Hall ELF HI, Rhodes P, Holtgrave DR, et al. Continuum of HIV care: differences in care and treatment by sex and race/ethnicity in the United States. Paper presented at: AIDS 2012; 2012; Washington, DC.
7. Prevention CDC. HIV in the United States: The Stages of Care. 2012. Available at: http://www.cdc.gov/nchhstp/newsroom/docs/2012/Stagesof- CareFactSheet-508.pdf. Accessed May 6, 2013.
8. Julio Montaner BN, Colley G, Samji H, et al. The evolution of the cascade of HIV care: British Columbia, Canada, 1996-2010. Paper presented at: CROI2013; Atlanta, GA.
9. Michael Horberg LH, Towner W, Gambatese R, et al. HIV spectrum of engagement cascade in a large integrated care system by gender, age, and methodologies. Paper presented at: CROI2013; Atlanta, GA.
10. Shepard CW, Gortakowski HW, Nasrallah H, et al. Using GIS-based density maps of HIV surveillance data to identify previously unrecognized geographic foci of HIV burden in an urban epidemic. Public Health Rep. 2011;126: 741-749.
11. Goswami ND, Hecker EJ, Vickery C, et al. Geographic information system-based screening for TB, HIV, and syphilis (GIS-THIS): a cross-sectional study. PLoS One. 2012;7:e46029.
12. Oppong JR, Tiwari C, Ruckthongsook W, et al. Mapping late testers for HIV in Texas. Health Place. 2012;18: 568-575.
13. Leibowitz AA, Taylor SL. Distance to public test sites and HIV testing. Med Care Res Rev. 2007;64: 568-584.
14. Pierce SJ, Miller RL, Morales MM, et al. Identifying HIV prevention service needs of African American men who have sex with men: an application of spatial analysis techniques to service planning. J Public Health Manag Pract. 2007(suppl):S72-S79.
15. Bliss RL, Katz JN, Wright EA, et al. Estimating proximity to care: are straight line and zipcode centroid distances acceptable proxy measures? Med Care. 2012;50: 99-106.
16. Centers for Disease Control and Prevention and Council of State and Territorial Epidemiologists. Technical Guidance for HIV/AIDS Surveillance Programs, Volume I: Policies and Procedures. Atlanta, GA: Centers for Disease Control and Prevention; 2005. Available at: http://www.cdph. ca.gov/programs/aids/Documents/SOPCDCSurvTechGuidanceVol1.pdf. Accessed July 10, 2013.
17. FORUM NQ. Medical Visit Frequency. 2013; http://www.qualityforum. org/Home.aspx. Accessed May 6, 2013.
18. Rebeiro P, Althoff KN, Buchacz K, et al. Retention among North American HIV-infected persons in clinical care, 2000-2008. J Acquir Immune Defic Syndr. 2013;62(3): 356-362.
19. Ripley BD. The second-order analysis of stationary point processes. J Appl Probab. 1976;13: 255-266.
20. Cressie NAC. Statistics for Spatial Data. New York, NY: Wiley; 1991.
21. Diggle PJ, Chetwynd AG. Second-order analysis of spatial clustering for inhomogeneous populations. Biometrics. 1991;47: 1155-1163.
22. Dixon PM. Ripley's K function. In: Encyclopedia of Environmetrics. Eds. El-Shaarawi AH, Piegorsch WW. New York, NY: Wiley; 2002: 1796-1803.
23. Keller SC, Yehia BR, Eberhart MG, et al. Accuracy of definitions for linkage to care in persons living with HIV. J Acquir Immune Defic Syndr. 2013;63(5): 622-630.
24. Yehia BR, Fleishman JA, Metlay JP, et al. Comparing different measures of retention in outpatient HIV care. AIDS. 2012;26: 1131-1139.
25. Fleishman JA, Yehia BR, Moore RD, et al. Establishment, retention, and loss to follow-up in outpatient HIV care. J Acquir Immune Defic Syndr. 2012;60: 249-259.
26. Yehia BR, Fleishman JA, Metlay JP, et al. Sustained viral suppression in HIVinfected patients receiving antiretroviral therapy. JAMA. 2012;308: 339-342.
27. Cartographic Modeling Lab. University of Pennsylvania. Philadelphia Neighborhood Information System. CrimeBase. Available at http://www.cml.upenn. edu. Accessed May 6, 2013.
28. United States Census Bureau. 2006-2010 American Community Survey. US Census Bureau's American Community Survey Office, 2013. Available at http://factfinder2.census.gov. Accessed July 1, 2013.
29. Lubrano A. Of big cities, Phila. Worst for people in deep poverty. Philadelphia Inquirer. 2013;2013:A1.
30. Kirby JB, Kaneda T. Neighborhood socioeconomic disadvantage and access to health care. J Health Soc Behav. 2005;46: 15-31.
31. Brown AF, Ang A, Pebley AR. The relationship between neighborhood characteristics and self-rated health for adults with chronic conditions. Am J Public Health. 2007;97: 926-932.
32. Gary TL, Safford MM, Gerzoff RB, et al. Perception of neighborhood problems, health behaviors and diabetes outcomes among adults with diabetes in managed care. Diabetes Care. 2008;31: 273-278.
33. Wilson DK, Kliewer W, Sica DA. The relationship between exposure to violence and blood pressure mechanisms. Curr Hypertens Rep. 2004;6: 321-326.
34. Engelman KK, Hawley DB, Gazaway R, et al. Impact of geographic barriers on the utilization of mammograms by older rural women. J Amer Geriatr Soc. 2002;50: 62-68.
35. Eberhart MG. Travel Distance to Medical Care: A Geographic Analysis of Weighted Survey Data from the Medical Monitoring Project in Philadelphia, PA. First National CFAR/APC ECHPP Conference, November 19-20, 2012, 2012; Washington, DC.
36. Ickovics JR, Forsyth B, Ethier KA, et al. Delayed entry into health care for women with HIV disease. AIDS Patient Care STDS. 1996;10: 21-24.
37. Muthulingam D, Chin J, Hsu L, et al. Dispartities in engagement in care and viral suppression among persons with HIV. J Acquir Immune Defic Syndr. 2013;63: 112-119.
38. Jennes SM, Myers JE, Neaigus A, et al. Delayed entry into HIV medical care after HIV diagnosis: risk factor and research methods. AIDS Care. 2012;24: 1240-1248.
39. Torian LV, Wiewel EW, Liu K, et al. Risk factors for delayed initiation of medical care after diagnosis of human immunodeficiency virus. Arch Intern Med. 2008;168: 1181-1187.
40. Bamford LP, Ehrenkranz PD, Eberhart MG, et al. Factors associated with delayed entry into primary HIV medical care after HIV diagnosis. AIDS. 2010;24: 928-930.
41. Yehia B, Schranz A, Momplaisir F, et al. Outcomes for HIV+ patients receiving care at multiple HIV clinics. Conference on Retroviruses and Opportunistic Infections; March 3-6, 2013, 2013; Atlanta, GA.
42. Benbow N, Scheer S, Wohl A, et al. Linkage, access, ART use and viral suppression in four large cities in the United States, 2009. AIDS. 2012; 2012; Washington, DC.
43. Hall HI, Frazier EL, Rhodes P, et al. Continuum of care: differences in care and treatment by sex and race/ethnicity in the United States. AIDS. 2012;2012; Washington, DC.
44. Das M, Chu PL, Santos G-M, et al. Decreases in community viral load are accompanied by reductions in new HIV infections in San Francisco. PLoS One. 2010;5:e11068.
45. Castel AD, Befus M, Willis S, et al. Use of the community viral load as a population-based biomarker of HIV burden, AIDS. 2012;26: 345-353.
46. White House Office of National AIDS Policy. National HIV/AIDS Strategy for the United States. Washington, DC: White House Office of National AIDS Policy; 2010.
47. Centers for Disease Control and Prevention. High-Impact HIV Prevention: CDC's Approach to Reducing HIV Infections in the United States, 2011. Available at: http://www.cdc.gov/hiv/strategy/dhap/pdf/nhas- booklet.pdf. Accessed July 30, 2012.