ABSTRACT

OBJECTIVE:

To analyze whether sociodemographic characteristics, consultations and care in special services are associated with scheduled infectious diseases appointments missed by people living with HIV.

METHODS:

This cross-sectional and analytical study included 3,075 people living with HIV who had at least one scheduled appointment with an infectologist at a specialized health unit in 2007. A secondary data base from the Hospital Management & Information System was used. The outcome variable was missing a scheduled medical appointment. The independent variables were sex, age, appointments in specialized and available disciplines, hospitalizations at the Central Institute of the Clinical Hospital at the Faculdade de Medicina of the Universidade de São Paulo, antiretroviral treatment and change of infectologist. Crude and multiple association analysis were performed among the variables, with a statistical significance of p ≤ 0.05.

RESULTS:

More than a third (38.9%) of the patients missed at least one of their scheduled infectious diseases appointments; 70.0% of the patients were male. The rate of missed appointments was 13.9%, albeit with no observed association between sex and absences. Age was inversely associated to missed appointment. Not undertaking anti-retroviral treatment, having unscheduled infectious diseases consultations or social services care and being hospitalized at the Central Institute were directly associated to missed appointments.

CONCLUSIONS:

The Hospital Management & Information System proved to be a useful tool for developing indicators related to the quality of health care of people living with HIV. Other informational systems, which are often developed for administrative purposes, can also be useful for local and regional management and for evaluating the quality of care provided for patients living with HIV.

Acquired Immunodeficiency Syndrome; HAART; Medication Adherence; Continuity of Patient Care; Appointments and Schedules; Health Information Systems

INTRODUCTION

In terms of universal access to highly active antiretroviral therapy (HAART), one challenge to achieving greater effectiveness and impact from the therapy for people living with HIV (PLHIV) is maintaining high HAART adherence rates.⁸8 . Gir E, Vaichulonis CG, Oliveira MD. Adesão à terapêutica anti-retroviral por indivíduos com HIV/aids assistidos em uma instituição do interior paulista. Rev Lat Am Enfermagem. 2005;13(5):634-41. DOI:10.1590/S0104-11692005000500005^,1818 . Nemes MIB, Carvalho HB, Souza MFM. Antiretroviral therapy adherence in Brazil. AIDS. 2004;18(Suppl 3):S15-20. HAART success was associated with consultation attendance rates.¹1 . Bofill L, Waldrop-Valverde D, Metsch L, Pereyra M, Kolber MA. Demographic and psychosocial factors associated with appointment attendance among HIV-positive outpatients. AIDS Care. 2011;23(10):1219-25. DOI:10.1080/09540121.2011.555743^,1818 . Nemes MIB, Carvalho HB, Souza MFM. Antiretroviral therapy adherence in Brazil. AIDS. 2004;18(Suppl 3):S15-20. In addition, the number of missed consultations was associated with a risk of death,¹⁷17 . Mugavero MJ, Lin H-Y, Allison JJ, Giordano TP, Willig JH, Raper JL et al. Racial disparities in HIV virologic failure: Do missed visits matter? J. Acquir Immune Defic Syndr. 2009;50(1):100-8. DOI:10.1097/QAI.0b013e31818d5c37^,2020 . Park WB, Choe PG, Kim S-H, Jo JH, Bang JH, Kim HB et al. One-year adherence to clinic visits after highly active antiretroviral therapy: a predictor of clinical progress in HIV patients. J Intern Med. 2007;261(3):268-75. DOI:10.1111/j.1365-2796.2006.01762.x^,2323 . Zhang Y, Dou Z, Sun K, Ma Y, Chen RY, Bulterys M et al. Association between missed early visits and mortality among patients of China national free antiretroviral treatment cohort. J Acquir Immune Defic Syndr. 2012;60(1):59-67. DOI:10.1097/QAI.0b013e31824c3d9f and the total days lost between missing an appointment and the following one was associated with new AIDS-defining illnesses.²⁰20 . Park WB, Choe PG, Kim S-H, Jo JH, Bang JH, Kim HB et al. One-year adherence to clinic visits after highly active antiretroviral therapy: a predictor of clinical progress in HIV patients. J Intern Med. 2007;261(3):268-75. DOI:10.1111/j.1365-2796.2006.01762.x

Sex,¹²12 . Israelski D, Gore-Felton C, Power R, Wood MJ, Koopman C. Sociodemographic characteristics associated with medical appointment adherence among HIV-seropositive patients seeking treatment in a county outpatient facility. Prev Med. 2001;33(5):470-5. DOI:10.1006/pmed.2001.0917 age,³3 . Catz SL, McClure JB, Jones GN, Brantley PJ. Predictors of outpatient medical appointment attendance among persons with HIV.AIDS Care. 1999;11(3):361-73. DOI:10.1080/09540129947983^,1111 . Howe CJ, Cole SR, Napravnik S, Eron JJ Jr. Enrollment, retention, and visit attendance in the University of North Carolina Center for aids Research HIV clinical cohort, 2001-2007. AIDS Res Hum Retroviruses. 2010;26(8):875-81. DOI:10.1089/aid.2009.0282^,1212 . Israelski D, Gore-Felton C, Power R, Wood MJ, Koopman C. Sociodemographic characteristics associated with medical appointment adherence among HIV-seropositive patients seeking treatment in a county outpatient facility. Prev Med. 2001;33(5):470-5. DOI:10.1006/pmed.2001.0917^,1717 . Mugavero MJ, Lin H-Y, Allison JJ, Giordano TP, Willig JH, Raper JL et al. Racial disparities in HIV virologic failure: Do missed visits matter? J. Acquir Immune Defic Syndr. 2009;50(1):100-8. DOI:10.1097/QAI.0b013e31818d5c37 ethnicity,³3 . Catz SL, McClure JB, Jones GN, Brantley PJ. Predictors of outpatient medical appointment attendance among persons with HIV.AIDS Care. 1999;11(3):361-73. DOI:10.1080/09540129947983^,1212 . Israelski D, Gore-Felton C, Power R, Wood MJ, Koopman C. Sociodemographic characteristics associated with medical appointment adherence among HIV-seropositive patients seeking treatment in a county outpatient facility. Prev Med. 2001;33(5):470-5. DOI:10.1006/pmed.2001.0917^,1717 . Mugavero MJ, Lin H-Y, Allison JJ, Giordano TP, Willig JH, Raper JL et al. Racial disparities in HIV virologic failure: Do missed visits matter? J. Acquir Immune Defic Syndr. 2009;50(1):100-8. DOI:10.1097/QAI.0b013e31818d5c37 low CD4 count,¹⁷17 . Mugavero MJ, Lin H-Y, Allison JJ, Giordano TP, Willig JH, Raper JL et al. Racial disparities in HIV virologic failure: Do missed visits matter? J. Acquir Immune Defic Syndr. 2009;50(1):100-8. DOI:10.1097/QAI.0b013e31818d5c37 using alcohol and drugs,¹⁷17 . Mugavero MJ, Lin H-Y, Allison JJ, Giordano TP, Willig JH, Raper JL et al. Racial disparities in HIV virologic failure: Do missed visits matter? J. Acquir Immune Defic Syndr. 2009;50(1):100-8. DOI:10.1097/QAI.0b013e31818d5c37 not using antiretroviral drugs,¹¹11 . Howe CJ, Cole SR, Napravnik S, Eron JJ Jr. Enrollment, retention, and visit attendance in the University of North Carolina Center for aids Research HIV clinical cohort, 2001-2007. AIDS Res Hum Retroviruses. 2010;26(8):875-81. DOI:10.1089/aid.2009.0282 little social³3 . Catz SL, McClure JB, Jones GN, Brantley PJ. Predictors of outpatient medical appointment attendance among persons with HIV.AIDS Care. 1999;11(3):361-73. DOI:10.1080/09540129947983^,1717 . Mugavero MJ, Lin H-Y, Allison JJ, Giordano TP, Willig JH, Raper JL et al. Racial disparities in HIV virologic failure: Do missed visits matter? J. Acquir Immune Defic Syndr. 2009;50(1):100-8. DOI:10.1097/QAI.0b013e31818d5c37 or family support¹1 . Bofill L, Waldrop-Valverde D, Metsch L, Pereyra M, Kolber MA. Demographic and psychosocial factors associated with appointment attendance among HIV-positive outpatients. AIDS Care. 2011;23(10):1219-25. DOI:10.1080/09540121.2011.555743 and loss of social security¹⁷17 . Mugavero MJ, Lin H-Y, Allison JJ, Giordano TP, Willig JH, Raper JL et al. Racial disparities in HIV virologic failure: Do missed visits matter? J. Acquir Immune Defic Syndr. 2009;50(1):100-8. DOI:10.1097/QAI.0b013e31818d5c37 were identified as factors associated with missing medical consultations/appointments.

From a management point of view, scheduled consultation absences are a problem for both health services and society, these aspects can be translated into financial costs.²2 . Bonacim CAG, Araújo AMPA. Gestão de custos aplicada a hospitais universitários públicos: a experiência do Hospital das Clínicas da Faculdade de Medicina de Ribeirão Preto da USP. Rev Adm Publica. 2010;44(4):903-31. DOI:10.1590/S0034-76122010000400007^,2222 . Silva PC, Severiano Filho C. Ocorrência de custos ocultos em operações de serviços: insights sobre observação em uma sociedade de economia mista no Brasil. Gest Prod. 2011;18(3):499-508. DOI:10.1590/S0104-530X2011000300005 How the health service, directed towards PLHIV care, is organized is an important aspect related to HAART adherence.¹⁹19 . Nemes MIB, Melchior R, Basso CR, Castanheira ERL, Alves MTB, Conway S. The variability and predictors of quality of aids care services in Brazil. BMC Health Serv Res. 2009;9(51):1-8. DOI:10.1186/1472-6963-9-51 Barriers to service access and to information, lack of regularity in attending scheduled consultations and in collecting medications can be negatively associated to HAART adherence.⁸8 . Gir E, Vaichulonis CG, Oliveira MD. Adesão à terapêutica anti-retroviral por indivíduos com HIV/aids assistidos em uma instituição do interior paulista. Rev Lat Am Enfermagem. 2005;13(5):634-41. DOI:10.1590/S0104-11692005000500005

This study aimed to analyze whether sociodemographic characteristics, consultations and care in specialized services are associated with scheduled infectiological consultations missed by people living with HIV.

METHODS

This study is retrospective, analytical cross-sectional in nature and was developed within the HIV/AIDS Patient Care Extension Service (SEAP HIV/AIDS) at the Clinical Division of Infectious and Parasitic Diseases attached to the Central Institute of the Clinical Hospital at the Faculdade de Medicina da Universidade de São Paulo (ICHCFMUSP), which is an outpatient and day hospital service specialized in providing services to people living with HIV. The study period from which all data were taken was 2007. During this period, the unit dealt with approximately 3,000 HIV/AIDS adults through the Brazilian Unified Health System (SUS). The consultations were scheduled by appointment; unscheduled consultations were also available to meet spontaneous demand.

The information included in this study was obtained from a Hospital Management & Information System (SIGH), which is a hospital administrative system, developed by the Data Processing Company of the State of Sao Paulo (PRODESP), for production and billing. The system is widely used by SUS State health services, including the state of Sao Paulo, to record outpatient care, hospitalization, laboratory test results, in addition to prescribing and dispensing medicines.^aa Companhia de Processamento de Dados do Estado de São Paulo - PRODESP. Relatório de administração e de responsabilidade social 2010 [cited 13 Mar 2012]. Available from: http://www.prodesp.sp.gov.br/PRODESP_VALOR_ECONOMICO_2010.pdf

A total of 3,115 eligible patients were selected who had at least one consultation scheduled in 2007, 40 of which were excluded for being pregnant, showing inconsistencies regarding the information on sex and date of birth, being transferred from the service or having passed away before their first consultation. The analysis was therefore performed with 3,075 patients.

The outcome was missing a scheduled infectious diseases appointment. The absence rate for scheduled consultations was calculated for all the subjects, as were the percentage ratio between the number of absences and the total number of scheduled consultations during the period.

The independent variables for the study were: sex, age, unscheduled consultations, changing infectious diseases doctor, psychiatric consultations, psychological and social service care, hospitalization at the ICHCFMUSP and HAART. As regards the subjects undergoing HAART, the number of dispensed anti-retroviral drugs were compared among those who missed scheduled infectious diseases appointments and those who did not, in the 2007 period.

Information from SIGH regarding patient records, scheduling, hospitalizations and dispensed drugs were separately obtained and grouped in a single file formatted as a database in Microsoft Excel^® 2007, whose descriptive analysis of the variables was performed using this program, following the data’s quality being verified.¹³13 . Lebrão ML. Análise da fidedignidade dos dados estatísticos hospitalares disponíveis na Secretaria de Estado da Saúde de São Paulo em 1974. Rev Saude Publica. 1978;12(2):239-49. DOI:10.1590/S0034-89101978000200014^,1414 . Lima CRA, Schramm JMA, Coeli CM, Silva MEM. Revisão das dimensões de qualidade dos dados e métodos aplicados na avaliação dos sistemas de informação em saúde. Cad Saude Publica. 2009;25(10):2095-109. DOI:10.1590/S0102-311X2009001000002^,2121 . Romero DE, Cunha CB. Avaliação da qualidade das variáveis epidemiológicas e demográficas do Sistema de Informações sobre Nascidos Vivos, 2002. Cad Saude Publica. 2007;23(3):701-14. DOI:10.1590/S0102-311X2007000300028 The SPSS – Statistic software, version 21, was used to analyze the crude and multiple association among the variables. The variables for which p ≤ 0.20 were included in the analysis. p ≤ 0.05 was considered to be statistically significant.

This study was approved by the HCFMUSP Ethics Committee (Process 115/2009).

RESULTS

We included 3,075 subjects, 70.0% of which were male. The mean age of the subjects was 44 years of age (SD = 9.3 years); 38.9% missed at least one scheduled appointment.

For the evaluated patients, there were 13,634 consultations scheduled in 2007 (mean of 4.4; SD = 1.9). The mean number of missed appointments was 1.6 per person (SD = 0.9; variation of 1 to 6). The general consultation absence rate was 13.9%, 5.2% of the patients missed almost 50.0% of their scheduled consultations (Table 1).

There was an inverse association between age and absences observed (Figure). The mean age of the patients who missed consultations was 42.1 (SD = 9.8) years of age, which is lower than those who did not miss a consultation, which was 45.2 (SD = 9.4) years of age (p < 0.001).

There was an inverse association between absences and HAART, there was also a direct association between absences and unscheduled infectious diseases consultations, care in social services, change of infectologist and hospitalization at ICHCFMUSP. There was no association with sex, psychiatric consultations or psychological care (Table 2).

During the multiple analysis, there was an observed association between absence and age, attending social services, receiving HAART, hospitalization at ICHCFMUSP and unscheduled consultation (Table 3).

Among the analyzed subjects, 87.8% were undergoing HAART. Therefore, they dispensed their anti-retroviral drugs at the pharmacy service (on average, 10.1 [SD = 3.0]) per subject. Missed appointment was associated with the lowest number of antiretroviral drugs dispensed (Table 4).

DISCUSSION

Investigating missed scheduled consultations is a measure that is widely used in the literature to evaluate adhesion to treatment by PLHIV,¹1 . Bofill L, Waldrop-Valverde D, Metsch L, Pereyra M, Kolber MA. Demographic and psychosocial factors associated with appointment attendance among HIV-positive outpatients. AIDS Care. 2011;23(10):1219-25. DOI:10.1080/09540121.2011.555743^,77 . Giordano TP, Visnegarwala F, White AC Jr, Troisi CL, Frankowski RF, Hartman CM et al. Patients referred to an urban HIV clinic frequently fail to establish care: factors predicting failure. AIDS Care. 2005;17(6):773-83. DOI:10.1080/09540120412331336652^,1717 . Mugavero MJ, Lin H-Y, Allison JJ, Giordano TP, Willig JH, Raper JL et al. Racial disparities in HIV virologic failure: Do missed visits matter? J. Acquir Immune Defic Syndr. 2009;50(1):100-8. DOI:10.1097/QAI.0b013e31818d5c37 the results of this study are similar to those from other publications.¹⁶16 . Merlin JS, Westfall AO, Raper JL, Zinski A, Norton WE, Willig JH et al. Pain, mood, and substance abuse in HIV: implications for clinic visit utilization, antiretroviral therapy adherence, and virologic failure. J Acquir Immune Defic Syndr. 2012;61(2):164-70. DOI:10.1097/QAI.0b013e3182662215^,2020 . Park WB, Choe PG, Kim S-H, Jo JH, Bang JH, Kim HB et al. One-year adherence to clinic visits after highly active antiretroviral therapy: a predictor of clinical progress in HIV patients. J Intern Med. 2007;261(3):268-75. DOI:10.1111/j.1365-2796.2006.01762.x^,2323 . Zhang Y, Dou Z, Sun K, Ma Y, Chen RY, Bulterys M et al. Association between missed early visits and mortality among patients of China national free antiretroviral treatment cohort. J Acquir Immune Defic Syndr. 2012;60(1):59-67. DOI:10.1097/QAI.0b013e31824c3d9f

Despite the general rate of absences having been 13.9%, 5.2% of the cases had a rate of almost 50.0%. During other studies, this situation was associated to a higher risk of illness and death.²⁰20 . Park WB, Choe PG, Kim S-H, Jo JH, Bang JH, Kim HB et al. One-year adherence to clinic visits after highly active antiretroviral therapy: a predictor of clinical progress in HIV patients. J Intern Med. 2007;261(3):268-75. DOI:10.1111/j.1365-2796.2006.01762.x^,2323 . Zhang Y, Dou Z, Sun K, Ma Y, Chen RY, Bulterys M et al. Association between missed early visits and mortality among patients of China national free antiretroviral treatment cohort. J Acquir Immune Defic Syndr. 2012;60(1):59-67. DOI:10.1097/QAI.0b013e31824c3d9f Considering equity, according to the SUS, these subjects must be a particular target of care for the institution.

This study shows that the sex of the patients is not associated with missing consultations. This is a controversial association that is often described in the literature with varing results.³3 . Catz SL, McClure JB, Jones GN, Brantley PJ. Predictors of outpatient medical appointment attendance among persons with HIV.AIDS Care. 1999;11(3):361-73. DOI:10.1080/09540129947983^,1111 . Howe CJ, Cole SR, Napravnik S, Eron JJ Jr. Enrollment, retention, and visit attendance in the University of North Carolina Center for aids Research HIV clinical cohort, 2001-2007. AIDS Res Hum Retroviruses. 2010;26(8):875-81. DOI:10.1089/aid.2009.0282^,1212 . Israelski D, Gore-Felton C, Power R, Wood MJ, Koopman C. Sociodemographic characteristics associated with medical appointment adherence among HIV-seropositive patients seeking treatment in a county outpatient facility. Prev Med. 2001;33(5):470-5. DOI:10.1006/pmed.2001.0917^,1717 . Mugavero MJ, Lin H-Y, Allison JJ, Giordano TP, Willig JH, Raper JL et al. Racial disparities in HIV virologic failure: Do missed visits matter? J. Acquir Immune Defic Syndr. 2009;50(1):100-8. DOI:10.1097/QAI.0b013e31818d5c37^,2323 . Zhang Y, Dou Z, Sun K, Ma Y, Chen RY, Bulterys M et al. Association between missed early visits and mortality among patients of China national free antiretroviral treatment cohort. J Acquir Immune Defic Syndr. 2012;60(1):59-67. DOI:10.1097/QAI.0b013e31824c3d9f Studies that focus on PLHIV highlight the association between younger individuals and missed appointments,³3 . Catz SL, McClure JB, Jones GN, Brantley PJ. Predictors of outpatient medical appointment attendance among persons with HIV.AIDS Care. 1999;11(3):361-73. DOI:10.1080/09540129947983^,1111 . Howe CJ, Cole SR, Napravnik S, Eron JJ Jr. Enrollment, retention, and visit attendance in the University of North Carolina Center for aids Research HIV clinical cohort, 2001-2007. AIDS Res Hum Retroviruses. 2010;26(8):875-81. DOI:10.1089/aid.2009.0282^,1212 . Israelski D, Gore-Felton C, Power R, Wood MJ, Koopman C. Sociodemographic characteristics associated with medical appointment adherence among HIV-seropositive patients seeking treatment in a county outpatient facility. Prev Med. 2001;33(5):470-5. DOI:10.1006/pmed.2001.0917^,1717 . Mugavero MJ, Lin H-Y, Allison JJ, Giordano TP, Willig JH, Raper JL et al. Racial disparities in HIV virologic failure: Do missed visits matter? J. Acquir Immune Defic Syndr. 2009;50(1):100-8. DOI:10.1097/QAI.0b013e31818d5c37 which corroborates the findings of this study. However, there was a retrospective nationwide study conducted in China that showed missing consultations associated to individuals over the age of 60.²³23 . Zhang Y, Dou Z, Sun K, Ma Y, Chen RY, Bulterys M et al. Association between missed early visits and mortality among patients of China national free antiretroviral treatment cohort. J Acquir Immune Defic Syndr. 2012;60(1):59-67. DOI:10.1097/QAI.0b013e31824c3d9f

The Brazilian National STD/AIDS Department from the Ministry of Health recommends that unscheduled consultations are available in services that assist PLHIV. The purpose of this recommendation is to ensure that those who missed their consultations, those with no medication or those showing some clinical complications still have access. Demand for unscheduled visits is expected to be low when the general organization of the service can meet most of the anticipated demands.^bb Ministério da Saúde. Metas e compromissos assumidos pelos Estados membros na sessão especial da Assembleia Geral das Nações Unidas sobre HIV/aids UNGASS – HIV/aids. Resposta brasileira 2008-2009: relatório de progresso do país. Brasília (DF): Ministério da Saúde; 2010 [cited 2012 Mar 13]. Available from: http://www.aids.gov.br/publicacao/2011/orientacoes_da_onu_sobre_aids_ungass The reduced demand for unscheduled consultations may have been caused by implemented routines designed to reduce access barriers; these are practiced in the HIV/AIDS Patient Care Extension Service such as rescheduling consultations by phone and making medical social benefit claims outside the consultation site.

Changing the doctor was not associated to absence, which is not the same as what was published in other studies.³3 . Catz SL, McClure JB, Jones GN, Brantley PJ. Predictors of outpatient medical appointment attendance among persons with HIV.AIDS Care. 1999;11(3):361-73. DOI:10.1080/09540129947983^,88 . Gir E, Vaichulonis CG, Oliveira MD. Adesão à terapêutica anti-retroviral por indivíduos com HIV/aids assistidos em uma instituição do interior paulista. Rev Lat Am Enfermagem. 2005;13(5):634-41. DOI:10.1590/S0104-11692005000500005 For PLHIV, changing the doctor may represent a loss of confidence in the treatment or professional, which results in missed consultations in addition to its impact on HAART adherence. Changing the doctor is a routine situation in services that are involved in medical education, namely with students and resident doctors.⁸8 . Gir E, Vaichulonis CG, Oliveira MD. Adesão à terapêutica anti-retroviral por indivíduos com HIV/aids assistidos em uma instituição do interior paulista. Rev Lat Am Enfermagem. 2005;13(5):634-41. DOI:10.1590/S0104-11692005000500005

Subjects with the greatest adhesion have more access to the multidisciplinary team. This team must be made up of doctors from different specialties who are responsible for properly managing HIV, coinfections and comorbidities, as well as by nurses, social workers and psychologists. These individuals help PLHIV to overcome the various forms of suffering to which they are subjected and also play an important role in HAART adherence.6,19,^bb Ministério da Saúde. Metas e compromissos assumidos pelos Estados membros na sessão especial da Assembleia Geral das Nações Unidas sobre HIV/aids UNGASS – HIV/aids. Resposta brasileira 2008-2009: relatório de progresso do país. Brasília (DF): Ministério da Saúde; 2010 [cited 2012 Mar 13]. Available from: http://www.aids.gov.br/publicacao/2011/orientacoes_da_onu_sobre_aids_ungass

There was an observed positive association between absence and care by social services, whose contribution to improve the quality of HIV/AIDS patient care has been highlighted by the National Department of STD/AIDS and Viral Hepatitis.^bb Ministério da Saúde. Metas e compromissos assumidos pelos Estados membros na sessão especial da Assembleia Geral das Nações Unidas sobre HIV/aids UNGASS – HIV/aids. Resposta brasileira 2008-2009: relatório de progresso do país. Brasília (DF): Ministério da Saúde; 2010 [cited 2012 Mar 13]. Available from: http://www.aids.gov.br/publicacao/2011/orientacoes_da_onu_sobre_aids_ungass During the period of study, the social services from the HIV/AIDS Patient Care Extension Service identified and helped PLHIV and their families to face up to social demands and make individual and group visits to patients with adherence difficulties. In addition, social service workers meet the unscheduled consultation demand, which makes access for patients with problems, including those who had missed the scheduled consultation, easier.

The association between HIV infection and depression has been observed in various studies.⁴4 . Ciesla JA, Roberts JE. Meta-analysis of the relationship between HIV Infection and risk for depressive disorders. Am J Psychiatry. 2001;158(5):725-30. DOI:10.1176/appi.ajp.158.5.725^,1515 . Mello VA, Segurado AAC, Malbergier A. Depression in women living with HIV: clinical and psychosocial correlates. Arch Womens Ment Health. 2010;13(3):193-9. DOI:10.1007/s00737-009-0094-1 However, Bofill et al¹1 . Bofill L, Waldrop-Valverde D, Metsch L, Pereyra M, Kolber MA. Demographic and psychosocial factors associated with appointment attendance among HIV-positive outpatients. AIDS Care. 2011;23(10):1219-25. DOI:10.1080/09540121.2011.555743 (2011) did not observe any such association between depression and missing medical consultations. In addition, despite drugs and alcohol having been associated to missed consultations,¹²12 . Israelski D, Gore-Felton C, Power R, Wood MJ, Koopman C. Sociodemographic characteristics associated with medical appointment adherence among HIV-seropositive patients seeking treatment in a county outpatient facility. Prev Med. 2001;33(5):470-5. DOI:10.1006/pmed.2001.0917 a study conducted in the HIV/AIDS Patient Care Extension Service did not identify this association.¹⁰10 . Gutierrez EB, Sartori AM, Schmidt AL, Piloto BM, França BB, Oliveira AS et al. Measuring adherence to antiretroviral treatment: the role of pharmacy records of drug withdrawals. AIDS Behav. 2012;16(6):1482-90. DOI:10.1007/s10461-012-0168-3 This study did not identify an association between missing consultations and attending psychological or psychiatric services, therefore other studies are needed to clarify this issue.

Previous studies have identified that HAART patients miss fewer consultations,⁵5 . Dietz E, Clum GA, Chung SE, Leonard L, Murphy DA, Perez LV et al. Adherence to scheduled appointments among HIV infected female youth in five U.S. cities. J Adolesc Health. 2010;46(3):278-83. DOI:10.1016/j.jadohealth.2009.06.013^,1010 . Gutierrez EB, Sartori AM, Schmidt AL, Piloto BM, França BB, Oliveira AS et al. Measuring adherence to antiretroviral treatment: the role of pharmacy records of drug withdrawals. AIDS Behav. 2012;16(6):1482-90. DOI:10.1007/s10461-012-0168-3^,1111 . Howe CJ, Cole SR, Napravnik S, Eron JJ Jr. Enrollment, retention, and visit attendance in the University of North Carolina Center for aids Research HIV clinical cohort, 2001-2007. AIDS Res Hum Retroviruses. 2010;26(8):875-81. DOI:10.1089/aid.2009.0282^,1818 . Nemes MIB, Carvalho HB, Souza MFM. Antiretroviral therapy adherence in Brazil. AIDS. 2004;18(Suppl 3):S15-20.^,2020 . Park WB, Choe PG, Kim S-H, Jo JH, Bang JH, Kim HB et al. One-year adherence to clinic visits after highly active antiretroviral therapy: a predictor of clinical progress in HIV patients. J Intern Med. 2007;261(3):268-75. DOI:10.1111/j.1365-2796.2006.01762.x which is a point that was noted in this study. Patients who miss consultations and are not undergoing HAART, despite this also having consequences, is probably considered less damaging than for those who are in treatment. This is explained by the fact that it is during the consultations that patients have routine access to anti-retroviral drug prescriptions. Furthermore, in 2007, HAART was offered to patients showing evidence of immunodepression, either due to a falling CD4 count or to illness, i.e., for patients in worse health conditions. Today, HAART should be offered to all PLHIV, regardless of their CD4 count. While offering HAART to these patients, health care professionals should make the patients aware of the possibility of committing to therapy, the purpose of which being to achieve the necessary adhesion so that, with HAART, the individual and collective benefits are achieved by those for which they were intended.

Missed appointments can represent a lost opportunity to treat and/or prevent illness.²⁰20 . Park WB, Choe PG, Kim S-H, Jo JH, Bang JH, Kim HB et al. One-year adherence to clinic visits after highly active antiretroviral therapy: a predictor of clinical progress in HIV patients. J Intern Med. 2007;261(3):268-75. DOI:10.1111/j.1365-2796.2006.01762.x^,2323 . Zhang Y, Dou Z, Sun K, Ma Y, Chen RY, Bulterys M et al. Association between missed early visits and mortality among patients of China national free antiretroviral treatment cohort. J Acquir Immune Defic Syndr. 2012;60(1):59-67. DOI:10.1097/QAI.0b013e31824c3d9f We observed an association between hospitalization at ICHCFMUSP and missed appointments. Only including hospitalizations at the ICHCFMUSP may be a limiting factor for this analysis.

It was possible to characterize the profile of PLHIV who missed their consultations using the SIGH. This system is in full operational use at the HCFMUSP and at other state health services. Data are available immediately after registration, and access to them is easy and fast.²¹21 . Romero DE, Cunha CB. Avaliação da qualidade das variáveis epidemiológicas e demográficas do Sistema de Informações sobre Nascidos Vivos, 2002. Cad Saude Publica. 2007;23(3):701-14. DOI:10.1590/S0102-311X2007000300028

To obtain indicators related to PLHIV health care quality, secondary data were used, which is rarely used after completing the production and billing sheets. This type of study is particularly useful in the fight against the HIV/AIDS epidemic, in which the Brazilian National Department of STD, AIDS and Viral Hepatitis encourages treatment being adopted as a method of prevention. HAART, in addition to providing individual benefits, reduces the risk of HIV transmission from the moment the patient reaches an undetectable viral load.⁹9 . Grinsztejn B, Hosseinipour MC, Ribaudo HJ, Swindells S, Eron J, Chen YQ et al. Effects of early versus delayed initiation of antiretroviral treatment on clinical outcomes of HIV-1 infection: results from the phase 3 HPTN 052 randomised controlled trial. Lancet Infect Dis. 2014;14(4):281-90. DOI:10.1016/S1473-3099(13)70692-3

The most recent Brazilian Clinical Protocol and Therapeutic Guidelines for Managing HIV Infection in Adults,^cc Ministério da Saúde, Secretaria de Vigilância em Saúde, Departamento de DST, Aids e Hepatites Virais. Protocolo clínico e diretrizes terapêuticas para manejo da infecção pelo HIV em adultos. Brasília (DF): Ministério da Saúde; 2013. which was proposed by the Brazilian Department of STDs, AIDS and Viral Hepatitis from the Ministry of Health, recommends treatment for all persons with HIV infection, regardless of their CD4 count. Adhesion assessment becomes even more important in this situation. Low adhesion may compromise this strategy, causing the emergence of a large number of PLHIV with collating mutations that are resistant to anti-retroviral drugs (for which there would be few treatment options, many of them expensive) and the transmission of multi-drug resistant HIV.

Anti-retroviral drugs are made available throughout Brazil by the SUS. The Medication Logistics Control System (SICLOM) offers support to logistics and the distribution of these medicines. Once the necessary adjustments have been made, adherence evaluation can be done with secondary data generated by SICLOM. This is a simple and inexpensive form of monitoring adhesion, which can be used with all services that care for PLHIV undergoing HAART in Brazil. Brazil can and should use all its available resources rationally in the continued fight against the HIV/AIDS epidemic and continue on this bold and pioneering path.

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