Clinical-epidemiological characterization of patients with long COVID in Mexico.

BACKGROUND: Long COVID is defined as the persistence of COVID-19 symptoms four weeks after having undergone acute infection, according to the most recent CDC definition. It is estimated that there are 65 million people affected by this entity, although other figures speak of 200 million. OBJECTIVE: To characterize the population affected by long COVID in Mexico. MATERIAL AND METHODS: Patients older than 18 years who agreed to answer an online survey and who met the criteria for long COVID were included. RESULTS: Data from 203 subjects were included, with 138 (68.0%) being found to be females, and average age to be 41.8 years; 29.6% had severe disease, and 70.4%, mild to moderate disease; 89.7% had received prior COVID-19 vaccination: 6.9% had received one dose; 31.5%, two doses; and 51.2%, three or more doses. The main risk factors were diabetes, overweight or obesity, and hypertension. The most commonly reported symptom was fatigue, followed by other neuropsychiatric manifestations. CONCLUSION: It is important for the population affected by long COVID to be characterized in order to generate diagnostic and treatment protocols.

ANTECEDENTES: El COVID persistente se define como la persistencia de síntomas de COVID-19 después de cuatro semanas de cursar con un cuadro agudo, según la definición más reciente de los Centers for Disease Control and Prevention. Se estima que existen 65 millones de personas afectadas por esta entidad, aunque algunos reportes indican 200 millones. OBJETIVO: Caracterizar a la población afectada por COVID persistente en México. MATERIAL Y MÉTODOS: Se incluyeron pacientes mayores de 18 años que consintieron responder a una encuesta en línea y que cumplían los criterios de COVID persistente. RESULTADOS: Se incluyeron los datos de 203 sujetos. Se identificó que 138 (68.0 %) contestaron ser del sexo femenino, con una media de edad de 41.8 años; 29.6 % presentó enfermedad grave y 70.4 %, enfermedad leve a moderada; 89.7 % había recibido vacunas previas para COVID-19: 6.9 %, una dosis; 31.5 %, dos dosis; y 51.2 %, tres o más dosis. Los principales factores de riesgo fueron diabetes, sobrepeso u obesidad e hipertensión arterial sistémica. El principal síntoma reportado fue fatiga, seguido de otras manifestaciones neuropsiquiátricas. CONCLUSIÓN: Es importante caracterizar a la población para generar protocolos de diagnóstico y tratamiento.

Síndrome antifosfolípidos catastrófico en México. Revisión de la bibliografía / Catastrophic antiphospholipid syndrome in Mexico. Literature review

El síndrome antifosfolípidos catastrófico (SAFC) es una entidad rara. Se han reportado aproximadamente 600 casos en todo el mundo, y se desconoce la prevalencia en México. Objetivo: Conocer la prevalencia estimada de SAFC en México. Material y métodos: Se realizó una búsqueda bibliográfica de casos clínicos aislados o series de casos en los diversos buscadores, utilizando los términos «síndrome antifosfolípidos catastrófico» y «México», en mayo de 2022. Resultados: Encontramos una serie de casos retrospectivos en necropsias que incluyeron 12 casos, dos reportes que incluyeron 2 casos cada uno, y también se encontraron reportes de 11 casos clínicos aislados; estas publicaciones se generaron entre 2003 y 2020. En total, se tienen datos de 27 casos de SAFC, de los cuales 16 corresponden al síndrome antifosfolípidos primario, 10 en asociación con lupus eritematoso sistémico y 1 caso de esclerosis sistémica. La tasa de prevalencia estimada en la población mexicana en 2022 es de 2 casos por cada 10.000.000 de habitantes. La mortalidad estimada fue del 68% en esta serie de casos. Conclusión: Los casos de SAFC en México están subreportados; sin embargo, identificarlos ayudará a mejorar las estrategias diagnósticas y terapéuticas que se utilizan actualmente en el país, incentivando la implementación de la triple terapia y, en casos refractarios, el uso de eculizumab, para reducir la mortalidad actual. (AU)

Catastrophic antiphospholipid syndrome (CAPS) is a rare entity, approximately 600 cases have been reported around the world, and the prevalence in Mexico is unknown. Objective: To determine the estimated prevalence of CAPS in Mexico. Material and methods: A literature search of isolated clinical cases or case series was conducted in diverse search engines, using the terms: «catastrophic antiphospholipid syndrome» and «Mexico» in May 2022. Results: We found a series of retrospective cases in autopsies that included 12 cases, two reports that included 2 cases each, and reports of 11 isolated clinical cases; these publications were generated between 2003 and 2020. In total, we collected data on 27 cases of CAPS, of which 16 correspond to primary antiphospholipid syndrome, 10 are associated with systemic lupus erythematosus, and 1 case corresponds to systemic sclerosis. The estimated prevalence rate in the Mexican population in 2022 is 2 cases per 10,000,000 inhabitants. The estimated mortality was 68% in this case series. Conclusion: Cases of catastrophic antiphospholipid syndrome in Mexico are underreported; identifying them will help improve current diagnostic and therapeutic strategies used in the country, encouraging the implementation of triple therapy and, in refractory cases, the use of eculizumab, to reduce current mortality. (AU)

Catastrophic antiphospholipid syndrome in Mexico. Literature review.

Catastrophic antiphospholipid syndrome (CAPS) is a rare entity, approximately 600 cases have been reported around the world, and the prevalence in Mexico is unknown. OBJECTIVE: To determine the estimated prevalence of CAPS in Mexico. MATERIAL AND METHODS: A literature search of isolated clinical cases or case series was conducted in diverse search engines, using the terms: "Catastrophic Antiphospholipid Syndrome" and "Mexico" in May 2022. RESULTS: We found a series of retrospective cases in autopsies that included 12 cases, two reports that included 2 cases each, and reports of 11 isolated clinical cases; these publications were generated between 2003 and 2020. In total, we collected data on 27 cases of CAPS, of which 16 correspond to primary antiphospholipid syndrome, 10 are associated with systemic lupus erythematosus, and 1 case corresponds to systemic sclerosis. The estimated prevalence rate in the Mexican population in 2022 is 2 cases per 10,000,000 inhabitants. The estimated mortality was 68% in this case series. CONCLUSION: Cases of catastrophic antiphospholipid syndrome in Mexico are underreported; identifying them will help improve current diagnostic and therapeutic strategies used in the country, encouraging the implementation of triple therapy and, in refractory cases, the use of eculizumab, to reduce current mortality.

Evaluación del desempeño diagnóstico del Índice de Riesgo de Malignidad II en mujeres con diagnóstico de masa anexial en un hospital de tercer nivel.

OBJETIVO: Evaluar la exactitud diagnóstica del Índice de Riesgo de Malignidad II (IRM II) en 100 pacientes con diagnóstico de masa anexial. MÉTODO: En una muestra de 100 pacientes con diagnóstico de masa anexial se cuantificaron variables demográficas y se aplicó el IRM II. Mediante una tabla 2 × 2 se obtuvieron la sensibilidad, la especificidad, el valor predictivo positivo, el valor predictivo negativo y la exactitud diagnóstica, y se compararon con el resultado histopatológico. RESULTADOS: El IRM II con resultado positivo se presentó en el 73.1% (52 pacientes) de los casos con resultado histopatológico maligno y en el 26.9% de aquellos con resultado histopatológico benigno. Presenta una sensibilidad en la prueba del 73.1%, una especificidad del 70.8%, un valor predictivo positivo del 73.2% y un valor predictivo negativo del 70.8%. La exactitud diagnóstica es del 72%. CONCLUSIONES: El IRM II es una herramienta de cribaje con aceptable desempeño diagnóstico para normar la conducta, como referir a un centro especializado o solicitar estudios más específicos en pacientes con diagnóstico de masa anexial por sospecha de malignidad. OBJECTIVE: Evaluate the usefulness of the Malignancy Risk Index II (MRI II) using diagnostic accuracy variables in 100 patients diagnosed with adnexal mass. METHOD: In a sample of 100 patients with a diagnosis of adnexal mass, demographic variables were quantified and MRI II was applied. The sensitivity, specificity, positive predictive value, negative predictive value, and diagnostic accuracy were obtained using a 2 × 2 table and compared with the histopathological result. RESULTS: MRI II with positive result was presented in 73.1% (52 patients) with malignant histopathological result and in 26.9% of patients with benign histopathological result. It presents a sensitivity in the test of 73.1%, a specificity of 70.8%, positive and negative predictive value of 73.2 and 70.8%, respectively. Diagnostic accuracy of 72%. CONCLUSIONS: MRI II is a screening tool with acceptable diagnostic performance to regulate behavior, such as referring to a specialized center or requesting more specific studies in patients diagnosed with adnexal mass due to suspected malignancy.

Índices neutrófilo/linfocito, plaqueta/linfocito e inmunidad/inflamación sistémica en pacientes con neumonía por COVID-19 / Neutrophil-to-lymphocyte ratio, platelet-to-lymphocyte ratio and systemic immune-inflammation index in patients with COVID-19-associated pneumonia

Resumen Introducción: Existen índices hematológicos que correlacionan la severidad y predicen la mortalidad, principalmente en estados sépticos y de inflamación. Objetivo: Correlacionar los índices neutrófilo/linfocito (INL), plaqueta/linfocito (IPL) e inmunidad/inflamación sistémica (IIIS) con la severidad de COVID-19. Método: Estudio descriptivo, analítico y retrospectivo de pacientes con neumonía por COVID-19, en quienes se analizaron INL, IPL e IIIS. Resultados: Se incluyeron 100 pacientes, 54 hombres y 46 mujeres, con una media de 49.4 ± 19.3 años. Las medias de INL, IPL e IIIS fueron 10.7 ± 10.9, 290.1 ± 229.2 y 2.6 ± 3.4 × 109, respectivamente. En 54 %, la neumonía fue leve y en 46 %, grave. En cuanto a los desenlaces hospitalarios, 75 % egresó por mejoría y 25 % falleció. Las medias de INL, IPL e IIIS de los pacientes que fallecieron versus las de los pacientes que mejoraron fueron 20.4 ± 16.9 versus 7.5 ± 4.9 (p = 0.001), 417.1 ± 379.7 versus 247.7 ± 127.4 (p = 0.038) y 4.8 ± 6.1 versus 1.9 ± 1.2 × 109 (p = 0.030), respectivamente. Conclusión: Los índices hematológicos en pacientes con neumonía por COVID-19 pueden ser empleados como predictores de severidad y pronóstico.

Abstract Introduction: There are hematological parameters that correlate severity and predict mortality mainly in septic and inflammatory states. Objective: To correlate the neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR) and systemic immune-inflammation index (SII) with COVID-19 severity. Method: Descriptive, analytical, retrospective study of patients with COVID-19 pneumonia, in which NLR, PLR and SII were analyzed. Results: One-hundred patients were included, 54 men and 46 women, with a mean age of 49.4 ± 19.3 years. NLR, PLR and SII means were 10.7 ± 10.9, 290.1 ± 229.2, and 2.6 ± 3.4 × 109, respectively. In 54 %, pneumonia was mild, and in 46 %, severe. Regarding hospital outcomes, 75 % were discharged due to improvement and 25 % died. NLR, PLR and SII means of the patients who died versus the patients who improved were 20.4 ± 16.9 versus 7.5 ± 4.9 (p = 0.001), 417.1 ± 379.7 versus 247.7 ± 127.4 (p = 0.038) and 4.8 ± 6.1 versus 1.9 ± 1.2 × 109 (p = 0.030), respectively. Conclusion: Hematological parameters can be used in patients with COVID-19-associated pneumonia as predictors of severity and prognosis.

Neutrophil-to-lymphocyte ratio, platelet-to-lymphocyte ratio and systemic immune-inflammation index in patients with COVID-19-associated pneumonia.

INTRODUCTION: There are hematological parameters that correlate severity and predict mortality mainly in septic and inflammatory states. OBJECTIVE: To correlate the neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR) and systemic immune-inflammation index (SIII) with COVID-19 severity. METHOD: Descriptive, analytical, retrospective study of patients with COVID-19 pneumonia, in whom NLR, PLR and SIII were analyzed. RESULTS: One-hundred patients were included, 54 men and 46 women, with a mean age of 49.4 ± 19.3 years. NLR, PLR and SIII means were 10.7 ± 10.9, 290.1 ± 229.2, and 2.6 ± 3.4 x 109, respectively. In 54 %, pneumonia was mild, and in 46 %, severe. Regarding hospital outcomes, 75 % were discharged due to improvement and 25 % died. NLR, PLR and SIII means of the patients who died versus the patients who improved were 20.4 ± 16.9 versus 7.5 ± 4.9 (p = 0.001), 417.1 ± 379.7 versus 247.7 ± 127.4 (p = 0.038) and 4.8 ± 6.1 versus 1.9 ± 1.2 × 109 (p = 0.030), respectively. CONCLUSION: Hematological parameters can be used in patients with COVID-19-associated pneumonia as predictors of severity and prognosis. INTRODUCCIÓN: Existen índices hematológicos que correlacionan la severidad y predicen la mortalidad, principalmente en ­estados sépticos y de inflamación. OBJETIVO: Correlacionar los índices neutrófilo/linfocito (INL), plaqueta/linfocito (IPL) e inmunidad/inflamación sistémica (IIIS) con la severidad de COVID-19. MÉTODO: Estudio descriptivo, analítico y retrospectivo de pacientes con neumonía por COVID-19, en quienes se analizaron INL, IPL e IIIS. RESULTADOS: Se incluyeron 100 pacientes, 54 hombres y 46 mujeres, con una media de 49.4 ± 19.3 años. Las medias de INL, IPL e IIIS fueron 10.7 ± 10.9, 290.1 ± 229.2 y 2.6 ± 3.4 × 109, respectivamente. En 54 %, la neumonía fue leve y en 46 %, grave. En cuanto a los desenlaces hospitalarios, 75 % egresó por mejoría y 25 % falleció. Las medias de INL, IPL e IIIS de los pacientes que fallecieron versus las de los pacientes que mejoraron fueron 20.4 ± 16.9 versus 7.5 ± 4.9 (p = 0.001), 417.1 ± 379.7 versus 247.7 ± 127.4 (p = 0.038) y 4.8 ± 6.1 versus 1.9 ± 1.2 × 109 (p = 0.030), respectivamente. CONCLUSIÓN: Los índices hematológicos en pacientes con neumonía por COVID-19 pueden ser empleados como predictores de severidad y pronóstico.

Zika virus infection in pregnant women in a General Hospital of Veracruz, Mexico.

Objectives: To characterize the symptomatology of the patients affected by the Zika virus and to determine the incidence of congenital syndrome due to Zika in pregnant women in the city of Veracruz, Mexico.Methods: Descriptive, retrospective, and longitudinal study. All the patients in gestation period who attended the general hospital from 1 August to 30 November, 2016 and who met the criterion of suspected case of Zika virus infection. General symptoms and signs, gestational age, and search for fetopathies (ultrasound/fetometry at first contact) and finally incidence of Congenital Zika Syndrome at the end of gestation are analyzed.Results: A total of 103 pregnant women who met the definition of a suspected case of Zika virus infection were admitted to the study, 25 were positive for Zika by serum RT-PCR (24%). In the group of patients who tested positive for Zika by RT-PCR, all had conjunctivitis and arthralgia, followed by rash and pruritus. In this group, the headache was only reported in 84% and fever in 68%. No neonates with craniofacial or other malformations associated with congenital Zika syndrome, were reported.Conclusions: In this cohort, it is evident that the symptomatology presented by pregnant women during the first Zika outbreak in Mexico in 2016 is directly related to the proposed operational definition. There were no complications directly related to pregnancy during the acute virosis.

Réplica: Síndrome de Guillain-Barré en tiempos de arbovirosis / Reply: Guillain-Barré syndrome in times of arbovirosis

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Agentes causales más frecuentes del síndrome de Guillain-Barré en un hospital de Veracruz, México / The most frequent causative agents of Guillain-Barré syndrome in a Mexican general hospital

Introducción. Con posterioridad a la oleada del virus del Zika y el incremento en la incidencia de síndrome de Guillain-Barré (SGB), se ha estudiado la relación causal, pero no se ha encontrado una plena correlación etiológica. Pacientes y métodos. Del 1 de enero al 31 de diciembre de 2017, se incluyeron pacientes con SGB. Además de las serologías básicas, se solicitaron determinaciones de enterovirus, virus del herpes, Campylobacter, hepatitis B y C, TORCH, virus de la inmunodeficiencia humana, Brucella y Salmonella. Resultados. Cohorte de siete pacientes de sexo masculino. A cinco pacientes se les analizó el líquido cefalorraquídeo, que era normal. A todos se les realizó una tomografía encefálica, también normal, y se realizó neuroconducción, que mostró polineuropatía inflamatoria desmielinizante aguda en cuatro casos y neuropatía motora axonal aguda en uno. Todos recibieron inmunoglobulinas intravenosas; tuvieron buen pronóstico cinco casos y hubo dos defunciones. No se informó de casos positivos al virus del Zika. Hubo un caso positivo al dengue, uno al chikungunya, cinco a Campylobacter y uno a enterovirus. Se informó de coinfecciones de dengue + Campylobacter en un caso y de chikungunya + Campylobacter en otro. Conclusiones. La presente cohorte demuestra que no fue posible establecer una relación causal entre el SGB y el virus del Zika, pero se identificaron otros agentes causales víricos y bacterianos, como dengue, chikungunya y enterovirus, y fue aún más destacable la identificación de los casos de Campylobacter

Introduction. After Zika virus outbreak and the increase in the incidence of Guillain-Barré syndrome (GBS), the causal relationship has been studied, however a full etiological correlation has not been found. Patients and methods. From January 1 to December 31, 2017, patients with GBS were included. In addition to the basic serologies, enterovirus, herpes, Campylobacter, hepatitis B and C, TORCH, HIV, Brucella and Salmonella were requested Results. Cohort of seven male patients. Five patients analyzed cerebrospinal fluid reporting normal; all of them underwent brain scan, reporting normal. Neuroconduction was performed, resulting in acute inflammatory demyelinating polyneuropathy in four cases and acute motor axonal neuropathy in one case. All received intravenous immunoglobulins, five cases had a good prognosis and two deaths. No positive cases were reported to Zika virus. A positive case was reported to dengue and another to chikungunya. Five positive cases were reported to Campylobacter. One case positive to enterovirus. Dengue + Campylobacter coinfections were reported in one case and chikungunya + Campylobacter in another case. Conclusions. The present cohort shows that it was not possible to establish a causal relationship between GBS and Zika virus, but other viral and bacterial causal agents were identified, such as dengue, chikungunya and enterovirus, with the identification of Campylobacter cases even more remarkable

Improvement in OMERACT domains and renal function with regular treatment for gout: a 12-month follow-up cohort study.

OMERACT proposed a set of mandatory and discretionary domains to evaluate the effect of treatment in patients with gout. To determine the percentage of improvement and the effect size 6 and 12 months after starting a proper treatment in patients with gout from our cohort (GRESGO) based on the OMERACT proposal for chronic gout. GRESGO is a cohort of consecutive, new patients with gout attending either of two dedicated clinics. This report includes 141 patients evaluated at baseline and 6 months plus 101 of them completing a 12-month follow-up in 2012. Clinical data including the OMERACT domains for chronic gout were collected at baseline and every 6 months. Treatment was prescribed by their attending physician with the purpose of getting < 6 mg/dL of seric uric acid (sUA). Most patients were males (96%) with inappropriate treatment (95%); 66% had tophi, 30% metabolic syndrome, and 32% low renal function. Mean dose of allopurinol at baseline and throughout the study went from 344 ± 168 mg/day to 453 ± 198 at 12 months. Most OMERACT domains and renal function improved significantly; 73% improved > 20% from 6 to 12 months. Greater improvement was observed in the domains: flares, index tophus size, pain, general health assessment, and HAQ score, all of them associated to lower sUA values. Chronic gout patients improve significantly in most OMERACT domains when conventional and regular treatment is indicated. sUA < 6 mg/dL is associated with greater improvement.

[Disseminated tuberculosis in a patient with overlap syndrome, challenges in preventing]. / Tuberculosis diseminada en una paciente con síndrome de sobreposición, retos en la prevención.

Patients with autoimmune rheumatic diseases are at increased risk for developing infections and these are associated with increased morbidity and mortality from these diseases, especially in patients with systemic lupus erythematosus, rheumatoid arthritis, systemic sclerosis and autoimmune inflammatory myopathies. The objective of this paper is to address the challenges in detecting latent tuberculosis in immunosuppressed patients and the initiation of prophylactic treatment because currently there are no well-defined guidelines indicating what action to take for detection and treatment; so far the available scientific evidence is scarce and some methodological shortcomings.

Los pacientes con enfermedades reumáticas autoinmunes tienen un elevado riesgo para el desarrollo de infecciones, y estas se asocian al incremento de la morbimortalidad de estas enfermedades, principalmente en pacientes con lupus eritematoso sistémico, artritis reumatoide, esclerosis sistémica y con miopatías inflamatorias autoinmunes. El objetivo de este trabajo es abordar los retos en la detección de tuberculosis latente en pacientes inmunosuprimidos y el inicio del tratamiento profiláctico ya que en la actualidad no existen lineamientos bien definidos que indiquen la conducta a seguir para su detección y tratamiento; por el momento la evidencia científica disponible es escasa y con algunas deficiencias metodológicas.

Use of the CONUT Index as a Predictor of Integration Of Cutaneous Grafts in Burn Patients.

OBJECTIVE: To present the initial experience of 12 patients with burns treated with cutaneous grafts and to analyse the variables that influence their integration. MATERIALS AND METHODS: We analysed data from 12 patients seen in a year in the regional hospital of high speciality of Oaxaca. Quantified variables: Age, sex, burned body surface, depth of burn, airway injury, nutritional status by CONUT index, type of graft, development of local infection and days of hospital stay. RESULTS: We included 10 men (83%) and 2 women (17%) with median age of 28 years, median burned body surface area of 19%, depth: 75% were mixed burns and 25% were third degree; with median time between injury and application of grafts of 13 days, 1 patient presented airway injury and 50% concomitant trauma. REGARDING NUTRITIONAL STATUS: Fifty percent had severe malnutrition, 33% moderate and 16% mild. About 67% of the grafts were meshed and 33% intact, the mean integration percentage was 80%, 25% developed local infection and the average length of hospital stay was 21 days. CONCLUSIONS: Cutaneous grafts are the definitive treatment of burns, in their integration process influence different factors, including nutritional status. The CONUT index seems to be a useful, safe and widely available tooling in the nutritional assessment of the burned patient and can be related to the percentage of integration of the grafts and the days of hospital stay.

A Prospective Follow-Up of Adipocytokines in Cohort Patients With Gout: Association With Metabolic Syndrome But Not With Clinical Inflammatory Findings: Strobe-Compliant Article.

The aim of this study was to determine the levels of leptin (Lep) and adiponectin (AdipoQ) in patients with gout and its relationship with joint inflammatory data and/or with metabolic syndrome (MetS) variables, during 1 year follow-up.Forty-one patients (40 males) with gout diagnosis, attending for the first time to a rheumatology department, were included. Evaluations were performed baseline, at 6 and 12 months. Variables included the following: demographic, clinical and laboratory data related to gout and associated diseases. Lep and AdipoQ determinations by the ELISA method were performed in frozen serum from each visit. The pharmacological and no-pharmacological treatment for gout and associated diseases was individualized for each patient according to published guidelines. Statistical analysis included Mann-Whitney U test, Fisher test, x, ANOVA, Cochran Q, Pearson and Spearman correlation tests, as well as linear regression.In the baseline evaluation, 29.2% had MetS (hypertriglyceridemia 66%, hypertension 44% and obesity 37%); patients with MetS had higher C reactive protein (CRP) levels [34.1 ± 28.6 vs. 12.2 ± 11.2 mg/dL, P = 0.033]. Although not significant, also had higher Lep and lower AdipoQ levels (3.2 ± 3.0 vs. 1.9 ± 1.2 ng/mL, P = 0.142 and 40.5 ± 26.8 vs. 38.0 ± 24.9 ng/mL, P = 0.877, respectively). During follow-up, our patients had significant improvement in serum uric acid (sUA) levels and variables evaluating pain and joint swelling (P ≤ 0.05). Metabolic abnormalities tended to persist or even worsen during the monitoring period: significant increase in total cholesterol (P = 0.004), tendency to higher triglycerides (P = 0.883) and slight improvement in glycaemia (P = 0.052). Lep values increased significantly during follow-up (P = 0.001) while AdipoQ levels diminished slightly (P = 0.317). Neither Lep nor AdipoQ values showed important correlation (r > 0.5) with metabolic variables or joint swelling.This study suggests that in patients with gout, concentrations of Lep and AdipoQ are more in line with the metabolic state than with clinical disease activity.

Frecuencia de la gota según la percepción de los médicos en México / Frequency of gout according to the perception of physicians in México

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