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1.
Ann Rheum Dis ; 81(11): 1585-1593, 2022 11.
Artigo em Inglês | MEDLINE | ID: mdl-35878999

RESUMO

OBJECTIVES: This study investigates whether COVID-19 vaccines can elicit cross-reactive antibody responses against the Omicron variant in patients with autoimmune rheumatic diseases (ARDs). METHODS: This observational cohort study comprised 149 patients with ARDs and 94 healthcare workers (HCWs). Blood samples were obtained at enrolment, a median of 15 weeks after the second vaccine dose or 8 weeks after the third dose. The functional cross-neutralisation capacity of sera was measured using the Omicron variant receptor-binding domain-ACE2 binding inhibition assay. We assessed the incidence of breakthrough infections and the potential correlation with neutralising responses in participants after receiving third doses. The association of time-from-vaccine and neutralising responses in sera was predicted using linear regression analysis. RESULTS: The mean cross-neutralising responses against the Omicron variant developed after the second dose was 11.5% in patients with ARDs and 18.1% in HCWs (p=0.007). These responses were significantly lower in patients with ARDs than in HCWs after the third dose (26.8% vs 50.3%, p<0.0001). Only 39.2% of the patient sera showed functional neutralisation capacity to the Omicron variant and cross-neutralising responses were shown to be poorly correlated with anti-spike immunoglobulin G titres. Within 6 weeks of immunological assessments, significantly lower Omicron-neutralising responses were detected in sera from patients with ARDs who developed breakthrough infections compared with those who did not (p=0.018). Additionally, a relative decline was implied in neutralising responses against the Omicron variant as a reference to the wild-type virus during 120 days since the third vaccination, with a predicted decay rate of -0.351%/day (95% CI, -0.559 to -0.144, p=0.001). CONCLUSIONS: Striking antibody evasion manifested by the Omicron variant in patients with ARDs and current vaccine-induced immunity may not confer broad protection from Omicron breakthrough infection, highlighting the need for further research on vaccine effectiveness in patients with immune dysfunctions.


Assuntos
Vacinas contra COVID-19 , COVID-19 , Doenças Reumáticas , Enzima de Conversão de Angiotensina 2 , Anticorpos Neutralizantes , Anticorpos Antivirais , COVID-19/prevenção & controle , Vacinas contra COVID-19/imunologia , Humanos , Imunização Secundária , Imunoglobulina G , SARS-CoV-2 , Vacinas de mRNA/imunologia
2.
Eur Heart J ; 42(44): 4578-4588, 2021 11 21.
Artigo em Inglês | MEDLINE | ID: mdl-34508567

RESUMO

AIMS: With the high prevalence of gout and associated cardiovascular (CV) diseases, information on the comparative CV safety of individual urate-lowering drugs becomes increasingly important. However, few studies examined the CV risk of uricosuric agents. We compared CV risk among patients with gout who initiated allopurinol vs. benzbromarone. METHODS AND RESULTS: Using the Korean National Health Insurance claims data (2002-17), we conducted a cohort study of 124 434 gout patients who initiated either allopurinol (n = 103 695) or benzbromarone (n = 20 739), matched on propensity score at a 5:1 ratio. The primary outcome was a composite CV endpoint of myocardial infarction, stroke/transient ischaemic attack, or coronary revascularization. To account for competing risk of death, we used cause-specific hazard models to estimate hazard ratios (HRs) and 95% confidence intervals (CIs) for the outcomes comparing allopurinol initiators with benzbromarone. Over a mean follow-up of 1.16 years, 2258 patients developed a composite CV event. The incidence rate of the composite CV event was higher in allopurinol initiators (1.81 per 100 person-years) than benzbromarone (1.61 per 100 person-years) with a HR of 1.22 (95% CI 1.05-1.41). The HR for all-cause mortality was 1.66 (95% CI 1.43-1.93) among allopurinol initiators compared with benzbromarone. CONCLUSION: In this large population-based cohort of gout patients, allopurinol was associated with an increased risk of composite CV events and all-cause mortality compared to benzbromarone. Benzbromarone may reduce CV risk and mortality in patients with gout, although more studies are necessary to confirm our findings and to advance our understanding of the underlying mechanisms.


Assuntos
Doenças Cardiovasculares , Gota , Alopurinol/efeitos adversos , Benzobromarona/efeitos adversos , Doenças Cardiovasculares/tratamento farmacológico , Doenças Cardiovasculares/epidemiologia , Doenças Cardiovasculares/prevenção & controle , Estudos de Coortes , Gota/tratamento farmacológico , Gota/epidemiologia , Supressores da Gota/efeitos adversos , Fatores de Risco de Doenças Cardíacas , Humanos , Fatores de Risco
3.
J Korean Med Sci ; 36(32): e208, 2021 Aug 16.
Artigo em Inglês | MEDLINE | ID: mdl-34402226

RESUMO

BACKGROUND: Patient-centered management is becoming increasingly important in gout, but there are limited studies exploring patients' perspectives and preferences. We aimed to investigate patients' perspectives and preferences regarding gout and gout management, and their impacts on adherence to urate lowering therapy (ULT). METHODS: A paper-based survey was performed in patients with gout seen at the rheumatology outpatient clinics of 16 tertiary hospitals. The survey included questions regarding demographics, comorbidities, gout attacks, current treatment and adherence, and patients' perspectives and preferences regarding gout and gout management. Multivariate regression analysis was performed to determine the factors associated with ULT adherence. RESULTS: Of 809 surveyed patients with gout, 755 (94.5%) were using ULT. Among those using ULT, 89.1% had ≥ 80% adherence to ULT. Majority of the patients knew management strategies to some extent (94.8%), perceived gout as a life-long disease (91.2%), and were making efforts toward practicing at least one lifestyle modification (89.2%). Most patients (71.9%) obtained information about gout management during their clinic visits. Approximately half of the patients (53.6%) preferred managing their disease with both ULT and lifestyle modification, 28.4% preferred ULT only, and 17.4% preferred lifestyle modification only. Adherence was better in patients with older age (odds ratio [OR], 1.03), those with better knowledge of gout management strategies (OR, 3.56), and those who had preference for ULT (OR, 2.07). CONCLUSION: Patients' perspectives and management preferences had high impacts on adherence to ULT in gout. Consideration of patients' perspectives and preferences is important for achieving the desired clinical outcome in gout.


Assuntos
Supressores da Gota/uso terapêutico , Gota/tratamento farmacológico , Conhecimentos, Atitudes e Prática em Saúde , Preferência do Paciente , Adulto , Idoso , Idoso de 80 Anos ou mais , Gerenciamento Clínico , Feminino , Pesquisas sobre Atenção à Saúde , Humanos , Masculino , Adesão à Medicação , Pessoa de Meia-Idade , Assistência Centrada no Paciente , Inquéritos e Questionários
4.
J Korean Med Sci ; 35(13): e95, 2020 Apr 06.
Artigo em Inglês | MEDLINE | ID: mdl-32242346

RESUMO

BACKGROUND: The 24-hour uric acid excretion measurement is important in assessing disease status and helping to select the appropriate uric acid-lowering agent for patients with gout, however, it is inconvenient. The authors investigated the efficacy of the random urine uric acid-to-creatinine (UA/CR) ratio to screen the patients who under-secreted 24-hour urine uric acid. METHODS: This was a retrospective cross-sectional study. Ninety patients with gout, without undergoing uric acid-lowering treatment were enrolled. Twenty-four-hour urine and random urine samples were obtained on the same day. Six hundred mg of uric acid in the 24-hour urine sample was used as a standard for distinguishing between over and under-excretion groups. RESULTS: The random urinary UA/CR ratio showed positive correlation with 24-hour urine uric acid excretion (γ = 0.398, P < 0.001). All the patients with the random UA/CR less than 0.2 excreted less than 600 mg uric acid in 24-hour urine collection. When the random urine UA/CR ratio < 0.2 was regarded as a positive result, the positive predictive value, negative predictive value, sensitivity, and specificity in the uric acid under-excretion were 100% (8 of 8), 64.6% (53 of 82), 21.6% (8 of 37), and 100% (53 of 53), respectively. CONCLUSION: There is a moderate positive correlation between the random urinary UA/CR ratio and 24-hour urine uric acid excretion, so that UA/CR ratio may not be a good predictor of 24-hour urine uric acid excretion. However, the random urine UA/CR ratio 0.2 can be a useful predictor to screen the gouty patients who need to be treated with uricosuric drugs.


Assuntos
Creatinina , Gota , Ácido Úrico , Uricosúricos , Adulto , Idoso , Creatinina/urina , Estudos Transversais , Feminino , Gota/tratamento farmacológico , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos , Sensibilidade e Especificidade , Ácido Úrico/urina , Uricosúricos/uso terapêutico
5.
J Korean Med Sci ; 35(20): e133, 2020 May 25.
Artigo em Inglês | MEDLINE | ID: mdl-32449320

RESUMO

BACKGROUND: We purposed to evaluate the seasonality and associated factors of the incidence of gout attacks in Korea. METHODS: We prospectively enrolled patients with gout attacks who were treated at nine rheumatology clinics between January 2015 and July 2018 and followed them for 1-year. Demographic data, clinical and laboratory features, and meteorological data including seasonality were collected. RESULTS: Two hundred-five patients (men, 94.1%) were enrolled. The proportion of patients with initial gout attacks was 46.8% (n = 96). The median age, body mass index, attack duration, and serum uric acid level at enrollment were 50.0 years, 25.4, 5.0 days, and 7.4 mg/dL, respectively. Gout attacks were most common during spring (43.4%, P < 0.001) and in March (23.4%, P < 0.001). A similar pattern of seasonality was observed in the group with initial gout attacks. Alcohol was the most common provoking factor (39.0%), particularly during summer (50.0%). The median diurnal temperature change on the day of the attack was highest in the spring (9.8°C), followed by winter (9.3°C), fall (8.6°C), and summer (7.1°C) (P = 0.027). The median change in humidity between the 2 consecutive days (the day before and the day of the attack) was significantly different among the seasons (3.0%, spring; 0.3%, summer; -0.9%, fall; -1.2%, winter; P = 0.015). One hundred twenty-five (61%) patients completed 1-year follow-up (51% in the initial attack group). During the follow-up period, 64 gout flares developed (21 in the initial attack group). No significant seasonal variation in the follow-up flares was found. CONCLUSION: In this prospective study, the most common season and month of gout attacks in Korea are spring and March, respectively. Alcohol is the most common provoking factor, particularly during summer. Diurnal temperature changes on the day of the attack and humidity changes from the day before the attack to the day of the attack are associated with gout attack in our cohort.


Assuntos
Gota/epidemiologia , Estações do Ano , Adulto , Idoso , Feminino , Seguimentos , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Prospectivos , República da Coreia/epidemiologia , Fatores de Risco , Adulto Jovem
6.
J Korean Med Sci ; 34(37): e237, 2019 Sep 30.
Artigo em Inglês | MEDLINE | ID: mdl-31559709

RESUMO

BACKGROUND: Both hyperuricemia and hyperhomocysteinemia are known as main risk factors of cardiovascular diseases. There has been, however, no report on the relationship between carotid intima-media thickness (IMT) and homocysteine (Hcy) in hyperuricemic patients. This study aimed to investigate how hyperuricemia is associated with increased carotid IMT with a focus on hyperhomocysteinemia. METHODS: This cross-sectional study included 1,222 patients who visited the Chung-Ang University Hospital Health Promotion Center from January 2013 to December 2015. The serum Hcy levels were estimated with a competitive immunoassay using the direct chemiluminescence method. The carotid IMT was measured by B-mode carotid ultrasonography. The definition of hyperuricemia was a serum uric acid level > 7.0 mg/dL for men or > 5.6 mg/dL for women, and hyperhomocysteinemia was defined as serum levels > 15 µol/L. RESULTS: The hyperuricemic patients showed significantly higher serum Hcy levels and lower estimated glomerular filtration rate (eGFR) than did normouricemic patients (13.39 ± 4.42 vs. 11.69 ± 3.65 µol/L, P < 0.001; 85.16 ± 19.18 vs. 96.14 ± 16.63, P < 0.001, respectively). Serum Hcy level (odds ratio [OR], 1.050; 95% confidence interval [CI], 1.009-1.092) and fasting glucose level (OR, 1.018; 95% CI, 1.011-1.026) were independent risk factors for carotid plaque. In patients with hyperuricemia, the serum Hcy levels correlated with the eGFR (γ = -0.478, P < 0.001). The carotid IMT correlated with serum Hcy levels and eGFR (γ = 0.196, P = 0.008; γ = - 0.297, P < 0.001, respectively) but not with the serum lipid profile. CONCLUSION: These results suggest that renal function impairment in hyperuricemic patients may worsen carotid IMT by increasing serum Hcy levels.


Assuntos
Hiper-Homocisteinemia/diagnóstico , Hiperuricemia/fisiopatologia , Nefropatias/diagnóstico , Artérias Carótidas/diagnóstico por imagem , Artérias Carótidas/fisiologia , Espessura Intima-Media Carotídea , Estudos Transversais , Feminino , Taxa de Filtração Glomerular , Homocisteína/sangue , Humanos , Hiper-Homocisteinemia/complicações , Nefropatias/etiologia , Masculino , Pessoa de Meia-Idade , Fatores de Risco , Ultrassonografia
7.
J Korean Med Sci ; 30(3): 240-4, 2015 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-25729244

RESUMO

The object of this study was to evaluate the seasonality of gout in Korea. We retrospectively examined data from 330 patients seen at nine rheumatology clinics, treated with urate lowering therapy (ULT) more than one year after stopping prophylactic medication. Demographic data, clinical and laboratory features, and seasonality of gout onset and flares were collected. Season was classified in three-month intervals. The mean age was 52.2 yr and mean disease duration was 26.8 months. The male to female count was 318:12. The onset of acute gouty attacks was obtained in 256 patients. Gout developed most commonly in summer season (36.7%) (P<0.001) and in June (15.6%, P=0.002). During ULT, there were 147 (male 97.3%) gout flares. Although there was no statistically significant difference, gout flares were more common in summer (30.6%). Aggravating factors were identified in 57 flares: alcohol (72.0%) was most common. In the patients who attained target serum uric acid (<6 mg/dL) at the end of prophylaxis, gout flares were high in fall (35.8%) and September (17.0%). In Korea, the summer is most common season of gout onset and there is a tendency for gout flares to increase during ULT in summer/fall season.


Assuntos
Artrite Gotosa/epidemiologia , Estações do Ano , Exacerbação dos Sintomas , Consumo de Bebidas Alcoólicas , Artrite Gotosa/tratamento farmacológico , Pressão Sanguínea , Índice de Massa Corporal , Comorbidade , Feminino , Supressores da Gota/uso terapêutico , Humanos , Lipídeos/sangue , Masculino , Pessoa de Meia-Idade , Proteinúria , República da Coreia/epidemiologia , Estudos Retrospectivos , Ácido Úrico/sangue
8.
Rheumatol Int ; 34(10): 1369-78, 2014 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-24531687

RESUMO

The objectives of the study are to demonstrate the non-inferiority of PG201 (Layla(®)) 600 mg in comparison with celecoxib 200 mg for the treatment of symptomatic knee osteoarthritis (OA). In total, 309 patients were randomly assigned to receive either the test drug, PG201 600 mg (n = 154) or celecoxib 200 mg (n = 155). The primary efficacy variable was improvement in mean 100-mm pain VAS score from baseline to the final visit (week 8), and this value was compared between the 2 treatment groups. Secondary outcome variables included changes from baseline in the Western Ontario and McMaster Universities Arthritis Index (WOMAC) pain VAS score and subscale score, patient's global assessment of disease status quality of life (short form-36) and responder index at weeks 4 and 8. For safety assessment, adverse events were recorded at each clinical visit. At weeks 8, the 100-mm pain VAS scores were significantly decreased in patients receiving both PG201 600 mg (p < 0.0001) and celecoxib 200 mg (p < 0.0001) as compared to the baseline scores; however, no statistically significant differences in these values were noted between the groups (p = 0.312). These results met pre-specified criteria for non-inferiority for both the intent-to-treat and per-protocol populations. PG201 600 mg and celecoxib 200 mg were both well tolerated and no statistically significant differences in the tolerability profile between the groups. PG201 600 mg was as effective and safe as celecoxib 200 mg in the treatment of symptomatic knee OA and might be a useful new medication for the treatment of symptomatic knee OA.


Assuntos
Inibidores de Ciclo-Oxigenase 2/uso terapêutico , Osteoartrite do Joelho/tratamento farmacológico , Extratos Vegetais/uso terapêutico , Pirazóis/uso terapêutico , Sulfonamidas/uso terapêutico , Adulto , Idoso , Idoso de 80 Anos ou mais , Celecoxib , Inibidores de Ciclo-Oxigenase 2/efeitos adversos , Método Duplo-Cego , Esquema de Medicação , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Medição da Dor , Extratos Vegetais/efeitos adversos , Pirazóis/efeitos adversos , Qualidade de Vida , Sulfonamidas/efeitos adversos , Resultado do Tratamento
9.
BMC Musculoskelet Disord ; 15: 375, 2014 Nov 18.
Artigo em Inglês | MEDLINE | ID: mdl-25403311

RESUMO

BACKGROUND: Pelubiprofen is a prodrug of 2-arylpropionic acid with relatively selective effects on cyclooxygenase-2 activity. The aim of this study was to compare the efficacy and safety profiles of pelubiprofen with those of celecoxib in patients with rheumatoid arthritis. METHODS: This was a 6-week, multicenter, randomized, double-blind, double-dummy, parallel-group, phase III, non-inferiority clinical trial. The primary end point was non-inferiority of pain decrease from baseline to week-6 as determined using a 100 mm pain visual analog scale (VAS). Pelubiprofen was considered non-inferior to celecoxib if the lower limit of the 97.5% confidence interval for treatment difference [(pain reduction in pelubiprofen group) - (pain reduction in celecoxib group)] was more than -10 mm. The secondary end points were as follows: non-inferiority of (1) reduction of Korean health assessment questionnaire (KHAQ) score; (2) decreased duration of morning stiffness; and (3) decrease in the frequency and total dose of rescue drugs after 6 weeks of treatment. RESULTS: Seventy-seven patients in the pelubiprofen group and 68 patients in the celecoxib group started the study medication. Pelubiprofen was non-inferior to celecoxib with regard to reduction in VAS pain severity (difference, mean ± SD 5.0 ± 20.1; 97.5% CI, -2.3 to ∞). Pelubiprofen was also non-inferior to celecoxib in terms of the secondary end points, such as, decrease in KHAQ score (0.0 ± 0.5, 97.5% CI -0.2 to ∞), decrease in duration of morning stiffness (median 0.0 minute in both groups), and decrease in the frequency (0.7 ± 3.5, 97.5% CI -0.6 to ∞) and total amount (0.7 ± 3.6, 97.5% CI -0.6 to ∞) of rescue medication uses during the 6 week study period. Safety analysis revealed 31.2% patients in the pelubiprofen group and 20.6% patients in the celecoxib group experienced an adverse drug reaction (ADR). The frequency of gastrointestinal ADRs was 20.8 % and 8.8%, respectively. CONCLUSIONS: Pelubiprofen was found to be as effective as celecoxib at pain reduction and for relieving stiffness in RA patients. However, more patients in the pelubiprofen group experienced ADR and the frequency of gastrointestinal ADRs was higher in the pelubiprofen group. ClinialTrials.gov identifier: NCT01781702.


Assuntos
Artrite Reumatoide/diagnóstico , Artrite Reumatoide/tratamento farmacológico , Inibidores de Ciclo-Oxigenase 2/uso terapêutico , Fenilpropionatos/uso terapêutico , Pirazóis/uso terapêutico , Sulfonamidas/uso terapêutico , Adulto , Idoso , Celecoxib , Inibidores de Ciclo-Oxigenase 2/efeitos adversos , Método Duplo-Cego , Edema/induzido quimicamente , Feminino , Gastroenteropatias/induzido quimicamente , Humanos , Masculino , Pessoa de Meia-Idade , Medição da Dor/efeitos dos fármacos , Medição da Dor/métodos , Fenilpropionatos/efeitos adversos , Pirazóis/efeitos adversos , Sulfonamidas/efeitos adversos , Fatores de Tempo
10.
J Korean Med Sci ; 29(6): 788-92, 2014 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-24932079

RESUMO

Hyperhomocysteinemia is one of the important factors of the cardiovascular disease, and gout is well known to be associated with cardiovascular disease. There are a few reports on the serum homocysteine (Hcy) levels in patients with gout, however, the results showed discrepancies. In this study, we measured Hcy levels in patients with gout and examined factors associated with the levels of serum Hcy. Ninety-one male patients with gout and 97 age-matched healthy male controls were enrolled in the study. Serum uric acid levels were not significantly different between gout and healthy control groups. However, serum Hcy levels were significantly higher in patients with gout compared to controls (13.96 ± 4.05 µM/L vs 12.67 ± 3.52 µM/L, P=0.035). In gout group, patients with 1-2 stages of chronic kidney disease (CKD) had significantly lower serum Hcy than those with 3-5 stages of CKD (13.15 ± 3.46 µM/L vs 17.45 ± 4.68 µM/L, P<0.001). Multivariate linear analysis revealed an inverse association between serum Hcy and estimated glomerular filtration rate (eGFR) (ß=-0.107, P<0.001). In conclusion, serum Hcy was elevated in male patients with gout. Hyperhomocysteinemia was not correlated with serum uric acid, but it was inversely associated with impaired renal function.


Assuntos
Gota/diagnóstico , Homocisteína/sangue , Ácido Úrico/sangue , Taxa de Filtração Glomerular , Gota/sangue , Humanos , Hiper-Homocisteinemia/sangue , Hiper-Homocisteinemia/diagnóstico , Masculino , Pessoa de Meia-Idade , Insuficiência Renal Crônica/sangue , Insuficiência Renal Crônica/patologia , Índice de Gravidade de Doença
11.
J Korean Med Sci ; 29(9): 1199-204, 2014 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-25246736

RESUMO

Our study aimed to investigate whether serum leucine-rich alpha-2-glycoprotein (LRG) levels are elevated in patients with rheumatoid arthritis (RA). In addition, we assessed their correlation with disease activity parameters and pro-inflammatory cytokine, tumor necrosis factor-α (TNF-α). Our study included 69 patients with RA and 48 age- and sex-matched healthy controls. Serum concentrations of TNF-α and LRG were determined by enzyme-linked immunosorbent assay. Serum LRG concentrations were significantly elevated in patients with RA compared with those in healthy controls (30.8 ± 14.4 vs. 22.2 ± 6.1 ng/mL; P<0.001). In patients with RA, serum LRG levels were found to be correlated with disease activity score 28 (DAS28), erythrocyte sedimentation rate, and C-reactive protein levels (γ=0.671; γ=0.612; and γ=0.601, P<0.001, respectively), but not with serum TNF-α levels. Serum LRG levels in patients with an active disease status (DAS28≥2.6) were significantly higher than those in remission (DAS28<2.6) (36.45 ± 14.36 vs. 24.63 ± 8.81 ng/mL; P<0.001). Our findings suggest that serum LRG could contribute to the inflammatory process independent of TNF-α and it may be a novel biomarker for assessing inflammatory activity in patients with RA.


Assuntos
Artrite Reumatoide/diagnóstico , Glicoproteínas/sangue , Índice de Gravidade de Doença , Adulto , Idoso , Área Sob a Curva , Artrite Reumatoide/sangue , Biomarcadores/sangue , Sedimentação Sanguínea , Proteína C-Reativa/análise , Ensaio de Imunoadsorção Enzimática , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Curva ROC , Fator de Necrose Tumoral alfa/sangue
12.
Rheumatol Int ; 33(6): 1475-80, 2013 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-23184033

RESUMO

Polymyalgia rheumatica (PMR) is a common inflammatory disease of the elderly in western countries, but the prevalence is apparently different between races and countries. Until now, an epidemiologic study of PMR is limited in Korea. We retrospectively evaluated the clinical data of 78 patients with PMR who were treated in 5 tertiary hospitals, and analyzed initial laboratory data, symptoms, therapeutic responses, and prognostic factors for relapse 1 year after treatments. Sixty percent of patients had pain in both shoulder and hip girdles with 10.6 weeks of duration, 75.9 ± 32.7 mm/h of erythrocyte sedimentation rate (ESR), and 6.2 ± 6.4 mg/dl of C-reactive protein. The rate of relapse and remission at 1 year was 38.4 and 2.5 %, respectively. The rate of overall relapse was 46.1 %, and the relapse occurred mostly in a year, especially between 6 and 12 months after diagnosis. There were more female in relapse group (88.9 %, p = 0.037), and cumulative steroid dose of 1 year was significantly higher in relapse group (5.5 ± 2.7 vs. 4.4 ± 2.5 g, p = 0.018). Independent risk factors for relapse were initial CRP ≥ 2.5 mg/dl (OR 6.296, p = 0.047) and the use of hydroxychloroquine (OR 6.798, p = 0.035). Initial dosage or tapering speed of steroid did not influence on prognosis. In Korean patients with PMR, baseline clinical characteristics and relapse rate were similar to previous studies, but our patients accompanied no giant cell arteritis and showed lower remission rate as well as delayed therapeutic response and later occurrence of relapse. More aggressive management would be needed according to the clinical status of patients.


Assuntos
Polimialgia Reumática/etiologia , Idoso , Sedimentação Sanguínea , Proteína C-Reativa/análise , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Polimialgia Reumática/sangue , Polimialgia Reumática/tratamento farmacológico , Prognóstico , Recidiva , Estudos Retrospectivos , Fatores de Risco
13.
Clin Exp Rheumatol ; 30(5): 665-72, 2012.
Artigo em Inglês | MEDLINE | ID: mdl-22704691

RESUMO

OBJECTIVES: The quality of life (QoL) in systemic lupus erythematosus (SLE) patients may be affected by psychological features and disease status. We evaluated the QoL of SLE patients according to four subscales of QoL compared to healthy controls, and the association with affecting factors. METHODS: 108 patients with SLE and 52 healthy controls completed a psychological questionnaire. Depression, fatigue, and QoL were assessed with the Centre for Epidemiologic Studies Depression Scale, the Profile of Mood States Fatigue-Inertia Scale, and Functional Assessment Chronic Illness Therapy. Disease activity and damage index were measured by the SLE Disease Activity Index and SLE Collaborating Clinics/American College of Rheumatology. RESULTS: SLE patients showed higher degrees of depression (p=0.005) and a lower total QoL score than the controls (p=0.003). In the subscale analysis, physical well-being (PWB) and emotional well-being (EWB) were lower in the SLE group than the control group (p<0.001 for both). Multivariate analysis identified correlations between the following factors: total QoL with depression and daily glucocorticoid dose; PWB with depression, fatigue, and daily glucocorticoid; EWB with depression and functional well-being (FWB) with depression. CONCLUSIONS: The QoL of SLE patients was lower than that of healthy controls. QoL subscales of the SLE patients were associated with daily glucocorticoid dose, depression, and fatigue rather than disease activity or damage. Comprehensive evaluation of psychological problems and appropriate management may improve the QoL of SLE patients, especially those using higher doses of glucocorticoids, even if disease activity and damage are not severe.


Assuntos
Depressão/diagnóstico , Fadiga/diagnóstico , Lúpus Eritematoso Sistêmico/diagnóstico , Qualidade de Vida , Inquéritos e Questionários , Adulto , Afeto , Estudos de Casos e Controles , Distribuição de Qui-Quadrado , Efeitos Psicossociais da Doença , Estudos Transversais , Depressão/etiologia , Depressão/psicologia , Relação Dose-Resposta a Droga , Esquema de Medicação , Emoções , Fadiga/etiologia , Fadiga/psicologia , Feminino , Glucocorticoides/administração & dosagem , Humanos , Modelos Lineares , Lúpus Eritematoso Sistêmico/complicações , Lúpus Eritematoso Sistêmico/tratamento farmacológico , Lúpus Eritematoso Sistêmico/psicologia , Masculino , Pessoa de Meia-Idade , Análise Multivariada , Valor Preditivo dos Testes , Medição de Risco , Fatores de Risco , Índice de Gravidade de Doença , Fatores de Tempo , Resultado do Tratamento
14.
Rheumatol Int ; 32(2): 491-5, 2012 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-21246358

RESUMO

So far, there was no report on the prevalence and clinical relevance of anti-Ro52 in primary Sjögren's syndrome (pSS) patients in Korea. In this study, we investigated the prevalence and the clinical relevance of anti-Ro52 in Korean patients with pSS. We retrospectively reviewed the medical records of 96 patients with pSS. On the first visit clinical manifestations, laboratory features and autoantibodies were assessed. We divided subjects into 4 groups according to the presence of anti-Ro60 or anti-Ro52 and investigated the association between those autoantibodies and clinical manifestations. Anti-Ro52 (66.7%) was the most frequently detected autoantibody, followed by anti-Ro60 (52.1%) and anti-La (49.0%). Patients with anti-Ro52 had higher frequency of liver and muscle involvements than those without, while anti-Ro60 exhibited negative association with liver involvement. Anti-Ro52 showed significant relative risk for liver involvement (OR = 5.987, P = 0.038, 95% CI = 1.109-32.326), while anti-Ro60 showed inverse relative risk for liver involvement (OR = 0.122, P = 0.003, 95% CI = 0.031-0.479). Anti-Ro52 also showed significant OR for muscle involvement (OR = 9.533, P = 0.044, 95% CI = 1.059-85.793). In conclusion, anti-Ro52 was the most frequently detected autoantibody except ANA in patients with pSS in Korea. Anti-Ro52 was significantly associated with liver and muscle involvements, while anti-Ro60 was inversely associated with liver involvement in Korean patients with pSS.


Assuntos
Anticorpos Antinucleares/sangue , Ribonucleoproteínas/imunologia , Síndrome de Sjogren/diagnóstico , Síndrome de Sjogren/imunologia , Adulto , Idoso , Idoso de 80 Anos ou mais , Anticorpos Antinucleares/biossíntese , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Prevalência , República da Coreia/epidemiologia , Estudos Retrospectivos , Ribonucleoproteínas/sangue , Estudos Soroepidemiológicos , Síndrome de Sjogren/etnologia , Adulto Jovem
15.
Korean J Intern Med ; 37(4): 719-731, 2022 07.
Artigo em Inglês | MEDLINE | ID: mdl-35811361

RESUMO

Effective management of gout includes the following: appropriate control of gout flares; lifestyle modifications; management of comorbidities; and long-term urate-lowering therapy (ULT) to prevent subsequent gout flares, structural joint damage, and shortening of life expectancy. In addition to traditional treatments for gout, novel therapies have been introduced in recent years. Indeed, new recommendations for the management of gout have been proposed by various international societies. Although effective and safe medications to treat gout have been available, management of the disease has continued to be suboptimal, with poor patient adherence to ULT and failure to reach serum urate target. This review outlines recent progress in gout management, mainly based on the latest published guidelines, and specifically provides an update on efficient strategies for implementing treatment, efficacy and safety of specific medications for gout, and cardiovascular outcomes of ULT. In particular, we reviewed gout management approaches that can be applied to a Korean population.


Assuntos
Gota , Hiperuricemia , Gota/diagnóstico , Gota/tratamento farmacológico , Supressores da Gota/efeitos adversos , Humanos , República da Coreia , Ácido Úrico
16.
Arthritis Res Ther ; 22(1): 104, 2020 05 06.
Artigo em Inglês | MEDLINE | ID: mdl-32375903

RESUMO

BACKGROUND: Soluble urate has been shown to serve as an antioxidant, especially in the central nervous system. Although there are intriguing data suggesting that low levels of serum urate are associated with worse outcomes in neurodegenerative diseases, its impact on mental health has not been adequately assessed. Thus, we aimed to investigate the association between serum urate and depression using a large, nationally representative sample. METHODS: Information on participants' socio-demographic characteristics as well as physical and mental health conditions were retrieved from the Korea National Health and Nutrition Examination Survey (KNHANES) 2016 dataset. The Patient Health Questionnaire (PHQ)-9 was applied to identify depressive symptoms. Analyses were stratified by age: young adults (aged 19-39 years), middle-aged adults (aged 40-59 years), and older adults (aged 60 years and older). RESULTS: A total of 5332 participants were included. Serum urate concentrations were divided into sex-specific quartiles based on their distribution: ≤ 4.9 (Q1), 5.0-5.7 (Q2), 5.8-6.6 (Q3), and ≥ 6.7 (Q4) mg/dL in men and ≤ 3.7 (Q1), 3.8-4.3 (Q2), 4.4-4.9 (Q3), and ≥ 5.0 (Q4) mg/dL in women. There was a significant negative linear relationship between serum urate quartiles and PHQ-9 scores in older adults (p for trend = 0.020 in men and p for trend = 0.048 in women). Compared to high levels (Q3 and Q4) of serum urate, low levels (Q1 and Q2) were significantly associated with the overall burden of depression in older women (OR 1.78, 95% CI 1.21, 2.61) and clinically relevant depression in older men (OR 3.35, 95% CI 1.16, 9.70), even after adjustment. CONCLUSIONS: Based on the KNHANES data, low levels of serum urate are associated with a higher prevalence of depression in older adults. This may have clinical implications for mental health.


Assuntos
Depressão , Ácido Úrico/sangue , Adulto , Idoso , Estudos Transversais , Depressão/diagnóstico , Depressão/epidemiologia , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Inquéritos Nutricionais , Prevalência , República da Coreia/epidemiologia , Adulto Jovem
17.
Korean J Intern Med ; 35(1): 231-239, 2020 01.
Artigo em Inglês | MEDLINE | ID: mdl-30685961

RESUMO

BACKGROUND/AIMS: The objective of this study was to compare changes in the simplified disease activity index (SDAI) between biologic (b) and conventional (c) disease-modifying antirheumatic drugs (DMARD) users with seropositive rheumatoid arthritis (RA) in daily clinical practice. METHODS: This was a nationwide multicenter observational study. Patients who had three or more active joint counts and abnormal inf lammatory marker in blood test were enrolled. The selection of DMARDs was determined by the attending rheumatologist. Clinical parameters, laboratory findings, and Health Assessment Questionnaire (HAQ) scores were obtained at baseline and at 6 and 12 months. Serial SDAI changes and clinical remission rate at 6 and 12 months were assessed. RESULTS: A total of 850 patients participated in this study. The mean baseline SDAI score in bDMARD group was higher than that in cDMARD group (32.08 ± 12.98 vs 25.69 ± 10.97, p < 0.0001). Mean change of SDAI at 12 months was -19.0 in the bDMARD group and -12.6 in the cDMARD group (p < 0.0001). Clinical remission rates at 12 months in bDMARD and cDMARD groups were 15.4% and 14.6%, respectively. Patient global assessment and HAQ at 12 months were also significantly improved in both groups. Multivariate logistic regression showed that baseline HAQ score was the most notable factor associated with remission. CONCLUSION: There was a significant reduction in SDAI within 12 months after receiving DMARDs in Korean seropositive RA patients irrespective of bDMARD or cDMARD use in real-world practice. Clinical remission was achieved in those with lower baseline HAQ scores.


Assuntos
Antirreumáticos , Artrite Reumatoide , Antirreumáticos/uso terapêutico , Artrite Reumatoide/diagnóstico , Artrite Reumatoide/tratamento farmacológico , Biomarcadores , Exercício Físico , Humanos , Indução de Remissão , Índice de Gravidade de Doença , Resultado do Tratamento
18.
J Clin Med ; 8(7)2019 Jul 20.
Artigo em Inglês | MEDLINE | ID: mdl-31330801

RESUMO

Background: Although gout is accompanied by the substantial burden of kidney disease, there are limited data to assess renal function as a therapeutic target. This study evaluated the importance of implementing a "treat-to-target" approach in relation to renal outcomes. Methods: Patients with gout who underwent continuous urate-lowering therapy (ULT) for at least 12 months were included. The effect of ULT on renal function was investigated by means of a sequential comparison of the estimated glomerular filtration rate (eGFR). Results: Improvement in renal function was only demonstrated in subjects in whom the serum urate target of <6 mg/dL was achieved (76.40 ± 18.81 mL/min/1.73 m2 vs. 80.30 ± 20.41 mL/min/1.73 m2, p < 0.001). A significant difference in the mean change in eGFR with respect to serum urate target achievement was shown in individuals with chronic kidney disease stage 3 (-0.35 ± 3.87 mL/min/1.73 m2 vs. 5.33 ± 11.64 mL/min/1.73 m2, p = 0.019). Multivariable analysis predicted that patients ≥65 years old had a decreased likelihood of improvement (OR 0.31, 95% CI 0.13-0.75, p = 0.009). Conclusions: The "treat-to-target" approach in the long-term management of gout is associated with better renal outcomes, with a greater impact on those with impaired renal function.

19.
Clin Rheumatol ; 38(9): 2613-2620, 2019 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-31030360

RESUMO

OBJECTIVES: This study evaluated Superb Microvascular Imaging (SMI) technology for detection of active synovitis in patients with rheumatoid arthritis (RA). METHODS: Between June 2015 and October 2016, 56 patients with RA (42 females; mean age, 53.2 years) underwent gray-scale ultrasound (US) imaging, power Doppler imaging (PDI), and SMI for synovitis of both wrists and hands (total 22 joints), scored for each joint from grades 0 to 3. The sum of grades for 22 joints was determined for gray-scale (SYN-sum), PDI (PDI-sum), and SMI (SMI-sum) according to clinical parameters. Follow-up US was performed in 17 patients (mean interval, 251.6 days). RESULTS: The SMI-sum (7.27 ± 4.56) was significantly higher than the PDI-sum (4.38 ± 3.09, p < 0.001) and the SYN-sum (4.55 ± 3.72, p < 0.001), and was significantly correlated with the erythrocyte sedimentation rate, C-reactive protein (CRP), and Disease Activity Score-28 (DAS28)-CRP (γ = 0.409, p = 0.002; γ = 0.695, p < 0.001; γ = 0.726, p < 0.001, respectively). Moreover, in 28 patients with clinical remission, the SMI-sum (4.32 ± 2.01) was greater than the PDI-sum (2.61 ± 1.60, p < 0.001). In 17 patients with follow-up US, the SMI-sum (2.35 ± 1.73) was significantly greater than the PDI-sum (1.24 ± 1.20; p < 0.001) and was also significantly correlated with DAS28 (γ = 0.880). CONCLUSION: SMI may detect active synovitis with greater sensitivity than PDI in RA patients, even with clinical remission, and is well-correlated with inflammatory parameters during follow-up. KEY POINTS: • SMI correlated well with PDI and was more sensitive for detection of active synovitis in RA. • The SMI-sum was not only of greater value but also more strongly correlated than the PDI-sum with clinical inflammatory indicators including ESR, CRP, and DAS28 on initial and follow-up US examinations. • The SMI-sum was even significantly increased in patients with clinical remission.


Assuntos
Artrite Reumatoide/diagnóstico por imagem , Sinovite/diagnóstico por imagem , Ultrassonografia/métodos , Adulto , Idoso , Idoso de 80 Anos ou mais , Artrite Reumatoide/complicações , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Sensibilidade e Especificidade , Sinovite/complicações , Ultrassonografia Doppler , Adulto Jovem
20.
Ann Geriatr Med Res ; 22(3): 121-129, 2018 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-32743261

RESUMO

BACKGROUND: Korea has recently attained the aged society status and the growth rate of the aging population will be among the most rapid worldwide. The objective of this study was to develop a credible list of potentially inappropriate medications (PIMs) for Korean older adults. METHODS: A new Korean PIMs list was produced through a comprehensive structured expert survey (modified Delphi method). To generate an expert panel, we invited the nomination of experts in geriatric medication from the Korean Geriatric Society, the Korean Academy of Clinical Geriatrics, the Korean Academy of Family Medicine, the Korean Association for Geriatric Psychiatry, and the Korean Association of Geriatric Hospitals. Based on their recommendation, the expert panel consisted of 14 geriatric specialists, including 10 geriatricians (7 family medicine doctors and 3 internal medicine doctors), 3 geriatric psychiatrists, and 1 clinical pharmacist. After 4 rounds, the new Korean PIMs list was finalized. RESULTS: Sixty-two drugs were classified as PIMs for older adults irrespective of comorbidities, including antipsychotics, tricyclic antidepressants, benzodiazepines, non-steroidal anti-inflammatory drugs, and first-generation antihistamines. Forty-eight drugs or drug categories were classified as PIMs for 18 specific conditions that older adults encounter frequently. The expert panel presented the rationale and comments including preferred therapeutic alternatives and exceptional situations for each item. CONCLUSION: We presented a "user-friendly" PIMs list for Korean older adults. Further prospective studies to validate its usefulness in clinical settings and regular updating of the list are required. It is also important to disseminate this list to doctors who prescribe medication to older people.

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