Síndrome de reconstitución inmune en un paciente de sida con una tuberculosis diseminada / Immune reconstitution syndrome in an AIDS patient with disseminated tuberculosis

La tuberculosis es un factor de riesgo en los pacientes con sida, ya que una vez iniciado el tratamiento antirretroviral pueden de desarrollar un síndrome de reconstitución inmune, lo que favorecería el deterioro del su estado clínico. Se presenta el caso de un paciente masculino, de 24 años de edad, diagnosticado de sida hace 4 años, y tratamiento irregular con antirretrovirales. Acudió al Hospital Universitario Clínico Quirúrgico "Comandante Faustino Pérez Hernández" con fiebre elevada, acompañado de cuadro general, manifestaciones respiratorias y dolor inguinal derecho. En el examen físico se constató un cuadro adénico generalizado, fue hospitalizado para estudio y tratamiento. Se diagnosticó un síndrome de reconstitución inmune en un paciente de sida con una tuberculosis diseminada, el cual fallece a pesar de la terapéutica impuesta. Este síndrome se caracteriza por una restauración gradual de la inmunidad patógeno-específica, donde el sistema inmune es capaz de reconocer patógenos presentes pero clínicamente ocultos. Se asocia a otros factores de riesgo y puede ser letal; de ahí que el reconocimiento oportuno de los pacientes con alto riesgo de contraerlo, así como un adecuado manejo sobre cuándo iniciar la terapia antirretroviral en cada caso específico, es quizá la única forma de prevenir su desarrollo (AU).

Tuberculosis is a risk factor in patients with AIDS, because once the retroviral treatment begins they can develop an immune reconstitution syndrome that would favor the deterioration of their clinical status. The case of a male patient, aged 24 years is presented. He was diagnosed with AIDS four years ago, and was irregularly treated with antiretroviral. The patient assisted the Clinic-surgical University Hospital "Comandante Faustino Pérez Hernández" with high fever accompanied by general characteristics, respiratory manifestations and right inguinal pain. At the physical examination, generalized adenic characteristics were found. A syndrome of immune reconstitution was diagnosed in an AIDS patient with disseminated tuberculosis; the patient died in spite of the imposed therapy. This syndrome is characterized by the gradual restoration of the pathogen-specific immunity, where the immune system is able of recognizing the pathogens that are present but clinically hidden. It is associated to other risk facts and may be lethal; therefore the timely recognition of the patients at high risk of suffering it, and also an adequate management about when to begin the anti-retroviral therapy in each specific case, is the unique way of preventing its development (AU).

Caracterización de la mortalidad por sida en la provincia Sancti Spíritus. 1986-2011 / Characterization of the mortality by AIDS in the county Sancti Spíritus. 1986-2011

Fundamento: El sida es una de principales causas de muerte en pacientes jóvenes y en la provincia esta enfermedad ha tenido un aumento. Objetivo: Caracterizar la mortalidad por VIH/sida en Sancti Spíritus del 1986 al 2011. Metodología: Se realizó un estudio descriptivo, con análisis de información retrospectiva, que incluyó 90 fallecidos por esta causa, las variables incluyeron edad, sexo, años vividos con diagnóstico de VIH/sida, municipio de residencia, causa del fallecimiento, uso de tratamiento antirretroviral y grado de inmunodepresión. Resultados: Cabaiguán y Sancti Spíritus aportaron el mayor número de fallecidos, el sexo masculino y las edades de 21-40 fueron los más frecuentes, en los periodos de 1996-2000 y 2006-2010; la tendencia fue siempre ascendente. Alrededor de 70 de ellos tenían pocos años de infección por VIH y no utilizaron tratamiento, para un 77.8 %, fallecieron 26 antes de recibir Tratamiento Antirretroviral de Gran Actividad en 1996. Las causas de muerte fundamentales fueron: síndrome de desgaste, neumonía por Pneumocisty jeroveci, neurotoxoplasmosis y cryptosporidiasis Conclusiones: En el período se manifestó tendencia ascendente de la mortalidad en la provincia. El estado de inmunodepresión marcada y alto porcentaje de no uso de Tratamiento Antirretroviral de Gran Actividad que favoreció la aparición de enfermedades oportunistas causantes de las defunciones.

Background: The AIDS is one of main causes of death in young patients and in this county where this illness has had an increase. Objective: To characterize the mortality by HIV/AIDS in Sancti Spíritus from 1986 to 2011. Methodology: It was carried out a descriptive study, with retrospective analysis of the information that included 90 deaths by this cause, the variables included age, sex, lived years with the HIV/AIDS diagnose, residence municipality, causes of the death, use of antiretroviral treatment and immunodepression grade. Results: Cabaiguán and Sancti Spíritus contributed to the biggest number of deceases, the masculine sex and the ages from 21-40 were the most frequent, in the period from 1996-2000 and 2006-2010; the tendency was always upward. Around 70 of them had few years of infection for HIV and they didn't use treatment, from a 77.8%, 26 died before receiving Antiretroviral Treatment of Great Activity in 1996. The fundamental causes of death were: waste syndrome, pneumonia for Pneumocystis jeroveci, neurotoxoplasmosis and cryptosporidiosis. Conclusions: In the period it showed an upward tendency of the mortality in the county. The state of marked immunodepression and high percentage of no use of the Antiretroviral Treatment of Great Activity favored the appearance of opportunist illnesses causing the deceases.

Impacto de la inmunodepresión basal y su grado de recuperación al año de terapia antirretroviral en sobrevida, complicaciones oportunistas y reacción de recuperación inmune / Impact of baseline CD4 count, immune recoveny and viral suppression at 7 year of first highly active antiretroviral therapy on survival, AIDS defining events and immune recovery reactions

Background: Baseline (BL) CD4 cell count is a major factor in outcome of highly active antiretroviral therapy (HAART); treatment induced immune recovery and viral response can modulate this outcome. Aim: To evaluate the association between baseline CD4 cell count and outcome during the first HAART régimen. Material and methods: Prospective study in 2,050 patients on first HAART with a follow up (f/u) ofat least 1 year. All had BL CD4 and viral load (VL) counts which were repeated at least twice a year. Patients were grouped according to BL CD4 (cells/mm³) in <100 (Gl), 100-199 (G2) and ≥ (G3). Groups were further divided according to immune and vírologícal response at 1 year in CD4 > or < 200 and VL detectable or undetectable (<80 copies/mL). Outcome measures were death, ALUS defining events (ADE) and, as a surrogate marker of immune recovery reaction, herpes zoster (HZ). Resulte: During the first year of follow up, 113 patients (10.8 percent) diedin Gl (n =1,044), 17 (2.5 percent) in G2 (n =675) (Gl-2 p <0.05) and 9 (2.7 percent) in G3 (n =331) (G2-3 p NS). One hundred twenty five of919 (13.6 percent) patients alive at 1 year had ADE in Gl, 55/643 (8.5 percent) in G2 (p <0.05) and 20/320 (5.2 percent) in G3 (G2-3 p NS). ADEs with follow up CD4 >vs< 200 were: 25/274 (9.1 percent) vs 100/643 (15 7 percent) in Gl (p <0.005); 28/404 (6.9 percent) vs 27/235 (11.2 percent) in G2 (p NS) and 18/281 (6.4 percent) vs 2/41 (4.8 percent) in G3 respectively (p NS). Detectable VL was an additional risk for ADE only in Gl without CD4 recovery. HZ was seen in 6.6 percent of Gl vs 4 percent in G2 (p <0.05) and 4.3 percent in G3. HZ rate was higher in all groups reaching a follow up CD4 >200 than those who did not, with a statistically significant difference at p <0.05 only in Gl (9.5 percent vs 5.3 percent). Conclusions: The occurrence of death and ADE during the first year of HAART was significantly higher in patients with aBL CD4...

Survival of AIDS patients and characteristics of those who died over eight years of highly active antiretroviral therapy, at a referral center in northeast Brazil

Introduction of highly active antiretroviral therapy has resulted in a significant reduction in morbimortality and significant changes in the causes of death among HIV/AIDS patients. For this reason, it has become essential to monitor survival and causes of death. We constructed a survival curve based on 597 adult patients notified as AIDS cases between 1997 and 2004, at the Hospital das Clínicas, Federal University of Pernambuco, Recife, Brazil. Among those patients, 150 (25 percent) progressed to death by December, 2005. Of these, 119 were studied in detail. The data were collected from notification files of the State Health Department and the State Mortality Information System, and were complemented by analysis of medical records. These 597 patients had a survival rate of 88 percent, 86 percent and 82 percent after one, two and five years, respectively, and a 75 percent likelihood of surviving to 1,984 days (66 months). Most of the deaths occurred during the first months after the diagnosis (median, 129 days). Patients who died were predominantly young men who had sexual exposure and came from Recife (the state capital) or its metropolitan region. When the patients were first seen, a large proportion had already presented severe signs of immunodeficiency. Comparing the patients within this group, the characteristics that were associated with lower survival were: male sex, hemoglobin < 10 mg/dL, lymphocytes < 1,000/mm³, use of fewer therapeutic drugs and antiretroviral regimens and non-introduction of protease inhibitors. Most of them died from AIDS-related diseases, particularly undefined respiratory infections.

Tuberculosis multirresistente en pacientes con SIDA a comienzos del milenio / Multidrug-resistant tuberculosis in AIDS patients at the beginning of the millennium

La tuberculosis multirresistente (TBMR) asociada al sida emergió durante los años 90 en varios países del mundo. En Argentina, el brote más importante se originó en el Hospital Muñiz y susconsecuencias persisten hasta ahora. Con el objeto de evaluar la situación de la TBMR en este hospital, analizamoslas características clínico-demográfico-epidemiológicas de los 53 pacientes masculinos con TBMR/sida internados por primera vez en el trienio 2001-2003 con relación al genotipo del polimorfismo de longitud de fragmentos de restricción (RFLP) IS6110 de los aislamientos. La edad promedio de los pacientes fue 32 años, 37 (70%) residían en el conurbano bonaerense, 36 (68%) eran usuarios de drogas ilícitas y 14 (26.4%) tenían antecedentes carcelarios. El 88% presentó grave inmunodepresión (CD4+<100/μl) y el 58.5% falleció. La mortalidadse asoció a baja adherencia al tratamiento y a comorbilidades, pero no a enfermedad por Mycobacteriumtuberculosis cepa “M”, causante del brote original. De los 40 casos analizados por RFLP, 29 (72.5%) conformaron clusters y 24 presentaban el genotipo “M”. La resistencia a 5 o 6 drogas resultó un indicador de enfermedad por esa cepa. El genotipo “M” se asoció significativamente a internaciones previas en el Hospital Muñiz oencarcelamiento. En síntesis, 14 años después de ocurrido el primer caso de TBMR/sida, se constata la persistenciay predominancia en el hospital de la cepa responsable del brote. Se requiere una intensificación de las medidas de control de la diseminación institucional de la tuberculosis para consolidar la tendencia decrecientede la TBMR observada en el país en la última década

Aids-related multidrug-resistant tuberculosis (MDRTB) emerged during the 90s in several countries aroundthe world. In Argentina, the most notorious outbreak was documented in the Hospital Muñiz, which is still undergoing its aftermaths. In order to evaluate the situation in this hospital regarding MDRTB, we analysed clinical,demographic and epidemiological traits of the 53 male MDRTB-aids patients admitted during 2001-2003 at award especially dedicated to their isolation. Patients’ mean age was 32 years, 70% lived in Buenos Aires suburbs. A history of illicit drug users or imprisonment was recorded in 68% and 26% of the patients, respectively.Severe immunodepression (CD4+ count <100/μl) was found in 88% of the patients and 58% died. Mortality wasassociated with non-adherence to treatment and co-morbidity, but not with the genotype of the “M” strain, responsible for the original outbreak. Of 40 cases available for restriction fragment length polymorphism (RFLP),29 (72.5%) resulted in cluster. RFLP patterns of 24 matched the “M” genotype. In this study, resistance to 5 or 6 drugs was found to be an indicator of disease due to the “M” strain. The “M” genotype associated significantlyto previous admission at the Hospital Muñiz or imprisonment. In brief, 14 years after the detection of the firstMDRTB-aids case, we report here the persistence and predominance of the original outbreak strain at the hospital.Stronger TB infection control measures are urgently needed in hospitals and jails in order to strengthenthe declining trend of the MDRTB observed in our country towards the end of the last decade

Trends and characteristics of AIDS mortality in the Rio de Janeiro city after the introduction of highly active antiretroviral therapy

We examined the characteristics of AIDS mortality in Rio de Janeiro city from 1995 to 2003. During this period, highly active antiretroviral therapy with protease inhibitors was made available, and it changed the pattern of the epidemics. There was a 47.5 percent reduction in the number of AIDS deaths within the period, with an increase in the proportion of women among the deceased; their schooling was lower than that of the men, similar to the trends of the national-level epidemics. The main place of death changed from university hospitals to emergency rooms. The proportion of cases reported to the National Diseases Surveillance System (SINAN) reported only through the death certificate remained high. Although there is free distribution of antiretrovirals by the public health system, many patients still lack access to diagnosis and treatment. We need to give priority to access to anti-HIV testing and treatment, to increase the quality of care and to look into the issue of adherence in order to further reduce AIDS mortality.