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Liu S, Sun H, Yang S, Liang N, Gao Y, Qu S, Chen H. Clustering of gout-related comorbidities and their relationship with gout flares: a data-driven cluster analysis of eight comorbidities. J Endocrinol Invest 2024; 47:1119-1128. [PMID: 37906371 DOI: 10.1007/s40618-023-02224-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 10/11/2023] [Indexed: 11/02/2023]
Abstract
OBJECTIVES To study the aggregation of multiple comorbidities in people with gout and explore differences in prognosis of gout flares among different subgroups. METHODS Hierarchical clustering was performed to identify homogeneous subgroups among 2639 people with gout using eight comorbidities. A one-year follow-up of acute gout flares in 463 of these people was conducted; the incidence and the timing of gout flares in each cluster were assessed to explore prognosis of gout flares. Binary logistic regression was applied to assess factors associated with gout flares. RESULTS In baseline study, we identified five subgroups (C1-C5). C1 (n = 671, 25%) was characterized by isolated gout with few comorbidities. C2 (n = 258, 10%) were all obese. Almost all people in C3 (n = 335, 13%) had diabetes (99.7%). All people in C4 (n = 938, 36%) had dyslipidemia. C5 (n = 437, 17%) had the highest proportion of cardiovascular disease (CVD, 53%), chronic kidney disease (CKD, 56%), and cancer (7%). In follow-up study, C5 had the highest incidence (71.9%) and earliest onset (median 3 months) of gout flares. C2 had the lowest incidence (52.1%) and the latest onset (median 10 months) of gout flares. The highest relative risk for gout recurrent was seen for C5 (OR = 2.09). Other factors associated with the risk of gout flares were age at diagnosis of gout, duration of gout, presence of tophi, and smoking ≥ 20 cigarettes/day. CONCLUSIONS We clustered people with gout into five groups with varying comorbidities. People with CVD, CKD, and cancer had the highest risk of gout flares and should receive comprehensive care.
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Affiliation(s)
- S Liu
- Department of Endocrinology and Metabolism, Shanghai Tenth People's Hospital, Tongji University School of Medicine, 301 Middle Yanchang Road, Shanghai, 200072, China
| | - H Sun
- Department of Endocrinology and Metabolism, Shanghai Tenth People's Hospital, Tongji University School of Medicine, 301 Middle Yanchang Road, Shanghai, 200072, China
| | - S Yang
- Department of Endocrinology and Metabolism, Shanghai Tenth People's Hospital, Tongji University School of Medicine, 301 Middle Yanchang Road, Shanghai, 200072, China
| | - N Liang
- Department of Endocrinology and Metabolism, Shanghai Sixth People's Hospital, Shanghai Jiao Tong University School of Medicine, 227 Chongqing South Road, Shanghai, 200025, China
| | - Y Gao
- Department of Endocrinology and Metabolism, Shanghai Sixth People's Hospital, Shanghai Jiao Tong University School of Medicine, 227 Chongqing South Road, Shanghai, 200025, China
| | - S Qu
- Department of Endocrinology and Metabolism, Shanghai Tenth People's Hospital, Tongji University School of Medicine, 301 Middle Yanchang Road, Shanghai, 200072, China.
| | - H Chen
- Department of Endocrinology and Metabolism, Shanghai Tenth People's Hospital, Tongji University School of Medicine, 301 Middle Yanchang Road, Shanghai, 200072, China.
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Chen Y, Liu J, Cong C, Li Y, Hu Y. Traditional Chinese Medicine is Associated with the Reduction in Endpoint Events in Patients with Gouty Arthritis: Cohort Study and Association Rule Analysis. Int J Gen Med 2024; 17:525-539. [PMID: 38371521 PMCID: PMC10874188 DOI: 10.2147/ijgm.s451097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 02/06/2024] [Indexed: 02/20/2024] Open
Abstract
Objective This study aimed to evaluate the effect of traditional Chinese medicine (TCM) on endpoint events in patients with gouty arthritis (GA). Methods and Materials A total of 2091 hospitalized GA patients were followed up by telephone, and propensity score matching (PSM) was used to reduce potential bias in the study design. Cox proportional risk model and Kaplan-Meier survival curve were utilized to analyze the impact and time effect of factors on the readmission of GA patients. The differences of laboratory indexes before and after treatment between the low and high exposure groups were compared, and the types and frequencies of medicines in all patients were counted. Association rule analysis was performed to investigate the association between TCM and test indexes or endpoint events. Results After 1:1 PSM, 187 patients were enrolled in the TCM group and 187 patients in the non-TCM group. The incidence of readmission, new tophus, and all-cause death was lower in the TCM group than that in the non-TCM group (P < 0.05). Cox proportional risk regression analysis showed that TCM, NSAIDs and uric acid lowering drug were independent protective factors for GA readmission. The protective effect was enhanced by the prolongation of TCM treatment and the drug combinations. Kaplan-Meier survival curves indicated a significantly lower readmission rate in the high exposure group than in the low exposure group (P < 0.01). Compared with before treatment, NLR, hs-CRP, UA, TC and other laboratory indexes of the low and high exposure groups were improved after treatment (P < 0.01); The improvement of TG and TC in the high exposure group was more significant than the low exposure group (P < 0.01). The analysis of medicines used by all patients identified the top 20 Chinese herbal medicines and the top 2 Chinese patent medicines. The core drugs identified through association rule analysis that can improve test index and reduce the incidence of endpoint events include Yiyiren, Danshen, and HQC, among others. The network diagram of association rule analysis intuitively shows the relationship between core drugs and "improvement of indicators" and "the absence of endpoint events". Conclusion TCM is associated with a reduced incidence of endpoint events in patients with GA.
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Affiliation(s)
- Yiming Chen
- The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, Anhui, 230038, People’s Republic of China
- Anhui Key Laboratory of Application and Development of Internal medicine of Modern Chinese Medicine, Hefei, Anhui, 230038, People’s Republic of China
| | - Jian Liu
- The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, Anhui, 230038, People’s Republic of China
- Anhui Key Laboratory of Application and Development of Internal medicine of Modern Chinese Medicine, Hefei, Anhui, 230038, People’s Republic of China
| | - Chengzhi Cong
- The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, Anhui, 230038, People’s Republic of China
| | - Yang Li
- The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, Anhui, 230038, People’s Republic of China
| | - Yuedi Hu
- The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, Anhui, 230038, People’s Republic of China
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Hammam N, Tharwat S, M Elsaman A, Bakhiet A, Mahmoud MB, Ismail F, El Saadany H, R ElShereef R, F Mohamed E, I Abd Elazeem M, Eid A, Ali F, Hamdy M, El Mallah R, Ha Mohammed R, M Gamal R, Fawzy S, Senara S, Hammam O, M Fathi H, Aboul Fotouh A, A Gheita T. Unsupervised cluster analysis of clinical and ultrasound features reveals unique gout subtypes: Results from the Egyptian College of Rheumatology (ECR). Diabetes Metab Syndr 2023; 17:102897. [PMID: 37979221 DOI: 10.1016/j.dsx.2023.102897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 09/25/2023] [Accepted: 10/20/2023] [Indexed: 11/20/2023]
Abstract
BACKGROUND Gout comprises a heterogeneous group of disorders; however, comorbidities have been the focus of most efforts to classify disease subgroups. OBJECTIVES We applied cluster analysis using musculoskeletal ultrasound (MSUS) combined with clinical and laboratory findings in patients with gout to identify disease phenotypes, and differences across clusters were investigated. PATIENTS AND METHODS Patients with gout who complied with the ACR/EULAR classification criteria were enrolled in the Egyptian College of Rheumatology (ECR)-MSUS Study Group, a multicenter study. Selected variables included demographic, clinical, and laboratory findings. MSUS scans assessed the bilateral knee and first metatarsophalangeal joints. We performed a K-mean cluster analysis and compared the features of each cluster. RESULTS 425 patients, 267 (62.8 %) males, mean age 54.2 ± 10.3 years were included. Three distinct clusters were identified. Cluster 1 (n = 138, 32.5 %) has the lowest burden of the disease and a lower frequency of MSUS characteristics than the other clusters. Cluster 2 (n = 140, 32.9 %) was mostly women, with a low rate of urate-lowering treatment (ULT). Cluster 3 (n = 147, 34.6 %) has the highest disease burden and the greatest proportion of comorbidities. Significant MSUS variations were found between clusters 2 and 3: joint effusion (p < 0.0001; highest: cluster 3), power Doppler signal (p < 0.0001; highest: clusters 2), and aggregates of crystal deposition (p < 0.0001; highest: cluster 3). CONCLUSION Cluster analysis using MSUS findings identified three gout subgroups. People with more MSUS features were more likely to receive ULT. Treatment should be tailored according to the cluster and MSUS features.
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Affiliation(s)
- Nevin Hammam
- Rheumatology Department, Faculty of Medicine, Assiut University, Egypt.
| | - Samar Tharwat
- Internal Medicine, Rheumatology Unit, Mansoura University, Egypt
| | - Ahmed M Elsaman
- Rheumatology Department, Faculty of Medicine, Sohag University, Egypt
| | - Ali Bakhiet
- Computer Science Department, Higher Institute of Computer Science and Information Systems, Culture & Science City, Giza, Egypt
| | - Mohamed Bakrey Mahmoud
- Computer Science Department, Higher Institute of Computer Science and Information Systems, Culture & Science City, Giza, Egypt
| | - Faten Ismail
- Rheumatology Department, Faculty of Medicine, Minia University, Egypt
| | | | | | - Eman F Mohamed
- Internal Medicine Department, Rheumatology Unit, Faculty of Medicine (Girls), Al-Azhar University, Egypt
| | | | - Ayman Eid
- Rheumatology Department, Faculty of Medicine, Beni-Suef University, Egypt
| | - Fatma Ali
- Rheumatology Department, Faculty of Medicine, Minia University, Egypt
| | - Mona Hamdy
- Rheumatology Department, Faculty of Medicine, Minia University, Egypt
| | - Reem El Mallah
- Rheumatology Department, Faculty of Medicine, Ain Shams University, Egypt
| | - Reem Ha Mohammed
- Rheumatology Department, Faculty of Medicine, Cairo University, Egypt
| | - Rania M Gamal
- Rheumatology Department, Faculty of Medicine, Assiut University, Egypt
| | - Samar Fawzy
- Rheumatology Department, Faculty of Medicine, Cairo University, Egypt
| | - Soha Senara
- Rheumatology Department, Faculty of Medicine, Fayoum University, Egypt
| | - Osman Hammam
- Department of Rheumatology and Rehabilitation, Faculty of Medicine, New Valley University, New Valley, Egypt
| | - Hanan M Fathi
- Rheumatology Department, Faculty of Medicine, Fayoum University, Egypt
| | - Adham Aboul Fotouh
- Egyptian School for Musculoskeletal Ultrasonography (EgySMUS), Egyptian Society of Musculoskeletal and Neuromuscular Sonography (ESMNS), Egypt
| | - Tamer A Gheita
- Rheumatology Department, Faculty of Medicine, Cairo University, Egypt
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4
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Kang HS, Lee NE, Yoo DM, Han KM, Hong JY, Choi HG, Lim H, Kim JH, Kim JH, Cho SJ, Nam ES, Park HY, Kim NY, Baek SU, Lee JY, Kwon MJ. An elevated likelihood of stroke, ischemic heart disease, or heart failure in individuals with gout: a longitudinal follow-up study utilizing the National Health Information database in Korea. Front Endocrinol (Lausanne) 2023; 14:1195888. [PMID: 37680887 PMCID: PMC10482324 DOI: 10.3389/fendo.2023.1195888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 07/13/2023] [Indexed: 09/09/2023] Open
Abstract
Objective Accumulating evidence from other countries indicates potential associations between gout and cardiovascular diseases; however, the associations of gout with cardiovascular diseases, particularly stroke, ischemic heart disease, and heart failure, remain ambiguous in the Korean population. We hypothesized that individuals with gout are at a higher likelihood of stroke, ischemic heart disease, or heart failure. This study expands upon previous research by ensuring a comparable baseline between patient and control groups and analyzing 16 years of data derived from an extensive healthcare database. Methods We selected 22,480 patients with gout and 22,480 control individuals from the Korean National Health Insurance Service-Health Screening Cohort database (2002-2019), and matched them at a 1:1 ratio according to sex, age, income, and residence. A Cox proportional hazard model with weighted overlap was employed to examine the relationship between gout and the risk of stroke, ischemic heart disease, or heart failure after adjustment for several covariates. Results The incidences of stroke, ischemic heart disease, or heart failure in participants with gout were slightly higher than those in controls (stroke: 9.84 vs. 8.41 per 1000 person-years; ischemic heart disease: 9.77 vs. 7.15 per 1000 person-years; heart failure: 2.47 vs. 1.46 per 1000 person-years). After adjustment, the gout group had an 11% (95% confidence interval [CI] = 1.04-1.19), 28% (95% CI = 1.19-1.37), or 64% (95% CI = 1.41-1.91) higher likelihood of experiencing stroke, ischemic heart disease, or heart failure, respectively, than the control group. Conclusion The present findings suggest that individuals with gout in the Korean population, particularly those aged ≥ 60 years, were more likely to have stroke, ischemic heart disease, or heart failure.
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Affiliation(s)
- Ho Suk Kang
- Division of Gastroenterology, Department of Internal Medicine, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, Anyang, Republic of Korea
| | - Na-Eun Lee
- Hallym Data Science Laboratory, Hallym University College of Medicine, Anyang, Republic of Korea
| | - Dae Myoung Yoo
- Hallym Data Science Laboratory, Hallym University College of Medicine, Anyang, Republic of Korea
| | - Kyeong Min Han
- Hallym Data Science Laboratory, Hallym University College of Medicine, Anyang, Republic of Korea
| | - Ji Yeon Hong
- Division of Cardiology, Department of Internal Medicine, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, Anyang, Republic of Korea
| | - Hyo Geun Choi
- Department of Otorhinolaryngology, Suseo Seoul E.N.T. Clinic, Seoul, Republic of Korea
- MD Analytics, Seoul, Republic of Korea
| | - Hyun Lim
- Division of Gastroenterology, Department of Internal Medicine, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, Anyang, Republic of Korea
| | - Joo-Hee Kim
- Department of Medicine, Division of Pulmonary, Allergy, and Critical Care Medicine, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, Anyang, Republic of Korea
| | - Ji Hee Kim
- Department of Neurosurgery, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, Anyang, Republic of Korea
| | - Seong-Jin Cho
- Department of Pathology, Kangdong Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Republic of Korea
| | - Eun Sook Nam
- Department of Pathology, Kangdong Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Republic of Korea
| | - Ha Young Park
- Department of Pathology, Busan Paik Hospital, Inje University College of Medicine, Busan, Republic of Korea
| | - Nan Young Kim
- Hallym Institute of Translational Genomics and Bioinformatics, Hallym University Medical Center, Anyang, Republic of Korea
| | - Sung Uk Baek
- Department of Ophthalmology, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, Anyang, Republic of Korea
| | - Joo Yeon Lee
- Department of Ophthalmology, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, Anyang, Republic of Korea
| | - Mi Jung Kwon
- Department of Pathology, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, Anyang, Republic of Korea
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Jatuworapruk K, De Vera R, Estrella AM, Sollano MHMZ, Vaidya B, Rahman MM, Lim AL, Wulansari Manuaba IAR, Hellmi RY, Keen H, Lorenzo JP. The APLAR Gout Registry: A multinational collaboration to better understand people with gout in the Asia-Pacific. Int J Rheum Dis 2023; 26:1432-1434. [PMID: 37527022 DOI: 10.1111/1756-185x.14765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 05/15/2023] [Accepted: 05/21/2023] [Indexed: 08/03/2023]
Affiliation(s)
| | | | | | | | - Binit Vaidya
- National Center for Rheumatic Diseases, Kathmandu, Nepal
| | | | - Ai Lee Lim
- Penang General Hospital, Penang, Malaysia
| | | | - Rakhma Yanti Hellmi
- Dr Kariadi General Hospital Medical Center, Diponegoro University, Semarang, Indonesia
| | - Helen Keen
- University of Western Australia, Perth, Western Australia, Australia
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Oflaz Z, Yozgatligil C, Selcuk-Kestel AS. Modeling comorbidity of chronic diseases using coupled hidden Markov model with bivariate discrete copula. Stat Methods Med Res 2023; 32:829-849. [PMID: 36775994 DOI: 10.1177/09622802231155100] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/14/2023]
Abstract
A range of chronic diseases have a significant influence on each other and share common risk factors. Comorbidity, which shows the existence of two or more diseases interacting or triggering each other, is an important measure for actuarial valuations. The main proposal of the study is to model parallel interacting processes describing two or more chronic diseases by a combination of hidden Markov theory and copula function. This study introduces a coupled hidden Markov model with the bivariate discrete copula function in the hidden process. To estimate the parameters of the model and deal with the numerical intractability of the log-likelihood, we use a variational expectation maximization algorithm. To perform the variational expectation maximization algorithm, a lower bound of the model's log-likelihood is defined, and estimators of the parameters are computed in the M-part. A possible numerical underflow occurring in the computation of forward-backward probabilities is solved. The simulation study is conducted for two different levels of association to assess the performance of the proposed model, resulting in satisfactory findings. The proposed model was applied to hospital appointment data from a private hospital. The model defines the dependency structure of unobserved disease data and its dynamics. The application results demonstrate that the model is useful for investigating disease comorbidity when only population dynamics over time and no clinical data are available.
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Affiliation(s)
- Zarina Oflaz
- Department of Industrial Engineering, 218507KTO Karatay University, Konya, Turkey
| | - Ceylan Yozgatligil
- Department of Statistics, 52984Middle East Technical University, Ankara, Turkey
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7
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Khaild SM, Fagir AM, Taha ZI, Elshareef AA, Mohammed MH, Saeed KM, Elagib EM, Ibrahim EM, William J. Prevalence of Hypertension in Sudanese Patients With Gouty Arthritis. Cureus 2022; 14:e24248. [PMID: 35602803 PMCID: PMC9116687 DOI: 10.7759/cureus.24248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/18/2022] [Indexed: 11/25/2022] Open
Abstract
Background In this study, we aimed to study the frequency of hypertension in Sudanese patients with gouty arthritis attending the largest three tertiary hospitals in Khartoum and correlate it with serum uric acid levels. Methodology An observational, descriptive, cross-sectional, hospital-based study was conducted in rheumatology clinics in Khartoum state, Sudan, from August 2020 to January 2021 involving 100 participants. Data were collected, prepared, and analyzed using SPSS version 25.0 (IBM Corp., Armonk, NY, USA). Results In this study, 100 participants were enrolled. The majority were males (79%), with 45% of the participants in the age group of 61-75 years. Overall, 89% of participants had symptoms of gouty arthritis, with the knee being the most common joint affected in 27% of participants. Most participants had a uric acid level above the target (6 mg/dL). The most frequently used uric acid lowering agent was found to be allopurinol in 85% of the patients. Furthermore, among those with gouty arthritis, 51% had hypertension with nearly half being insufficiently controlled. The frequency of undiagnosed hypertension among the participants was found to be 19%, which was statistically significant among gouty arthritis patients (p-value < 0.0001). Upon further analysis of our hypertensive participants, 79.5% of males (n = 35) had high blood pressure levels, which was statistically significant as well (p-value = 0.005), with the highest prevalence being among the age group of 61-75 years. Of those who were hypertensive, 51% had a history of concomitant comorbidity. Overall, 90% of the hypertensive participants (n = 40) had joint symptoms. Moreover, serum uric acid level was above the target in 93% of the participants. Conclusions Hypertension was found to be the most frequently recognized comorbidity in gouty arthritic patients, with more than a third remaining undiagnosed. Moreover, the male gender was a significant risk factor for hypertension among the gouty arthritis participants. Nevertheless, most patients with high blood pressure levels had concurrent elevated uric acid levels.
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Affiliation(s)
| | - Amro M Fagir
- Internal Medicine, Al Ain Hospital, Abu Dhabi, ARE
| | - Ziryab I Taha
- Rheumatology, Sudan Medical Specialization Board, Khartoum North, SDN
- Internal Medicine, University of Bahri, Khartoum, SDN
| | | | | | | | | | | | - Jimmy William
- Internal Medicine, Sligo University Hospital, Sligo, IRL
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Bajpai R, Muller S, Mallen C, Watson L, Richette P, Hider SL, Roddy E. Onset of comorbidities and flare patterns within pre-existing morbidity clusters in people with gout: 5-year primary care cohort study. Rheumatology (Oxford) 2021; 61:407-412. [DOI: 10.1093/rheumatology/keab283] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Abstract
Objective
To investigate the onset of comorbidities and pattern of flares over 5 years according to baseline comorbidity clusters in people with gout.
Methods
In a prospective primary care-based cohort study, adults aged ≥18 years with gout were identified from primary care medical records in 20 general practices across the West Midlands, UK and followed up over 5 years. Four clusters of participants have been defined previously according to baseline comorbidity status. The associations of (i) incident comorbidities and (ii) gout flares with baseline cluster membership were estimated using age and sex-adjusted Poisson regression and mixed effects ordinal logistic regression, respectively.
Results
The comorbidity with the highest incidence was coronary artery disease (39.2%), followed by hypertension (36.7%), chronic kidney disease stage ≥3 (18.1%), obesity (16.0%), hyperlipidaemia (11.7%), diabetes (8.8%) and cancer (8.4%). There were statistically significant associations observed between cluster membership and incidence of coronary artery disease, hyperlipidaemia, heart failure and hypertension. In each cluster, nearly one-third of participants reported two or more gout flares at each time-point. History of oligo/polyarticular flares (odds ratio [OR]= 2.16, 95% confidence interval [CI]: 1.73, 2.70) and obesity (1.66, 95% CI: 1.21, 2.25) were associated with increasing flares whereas current use of allopurinol was associated with lower risk (0.42, 95% CI: 0.34–0.53). Cluster membership was not associated with flares.
Conclusion
Substantial numbers of people in each cluster developed new comorbidities that varies by cluster membership. People also experienced multiple flares over time, but these did not differ between clusters. Clinicians should be vigilant for the development of new comorbidities in people with gout.
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Affiliation(s)
- Ram Bajpai
- Primary Care Centre Versus Arthritis, School of Medicine, Keele University, UK
| | - Sara Muller
- Primary Care Centre Versus Arthritis, School of Medicine, Keele University, UK
| | - Christian Mallen
- Primary Care Centre Versus Arthritis, School of Medicine, Keele University, UK
| | - Lorraine Watson
- Primary Care Centre Versus Arthritis, School of Medicine, Keele University, UK
| | - Pascal Richette
- Service de Rhumatologie, APHP, Hôpital Lariboisière
- Inserm, UMR-S 1132, Université de Paris, Paris, France
| | - Samantha L Hider
- Primary Care Centre Versus Arthritis, School of Medicine, Keele University, UK
- Haywood Academic Rheumatology Centre, Midland Partnership NHS Foundation Trust, Haywood Hospital, Burslem, UK
| | - Edward Roddy
- Primary Care Centre Versus Arthritis, School of Medicine, Keele University, UK
- Haywood Academic Rheumatology Centre, Midland Partnership NHS Foundation Trust, Haywood Hospital, Burslem, UK
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Mi S, Gong L, Sui Z. Friend or Foe? An Unrecognized Role of Uric Acid in Cancer Development and the Potential Anticancer Effects of Uric Acid-lowering Drugs. J Cancer 2020; 11:5236-5244. [PMID: 32742469 PMCID: PMC7378935 DOI: 10.7150/jca.46200] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Accepted: 06/15/2020] [Indexed: 02/07/2023] Open
Abstract
In recent years, metabolic syndrome (Mets) has been a hot topic among medical scientists. Mets has an intimate relationship with the incidence and development of various cancers. As a contributory factor of Mets, hyperuricemia actually plays an inseparable role in the formation of various metabolic disorders. Although uric acid is classically considered an antioxidant with beneficial effects, mounting evidence indicates that a high serum uric acid (SUA) level may serve as a pro-oxidant to generate inflammatory reactions and oxidative stress. In this review, we describe the unrecognized role of hyperuricemia in cancer development and summarize major mechanisms linking uric acid to carcinogenesis. Furthermore, we also discuss the potential mechanism of liver metastasis of cancer and list some types of uric acid-lowering agents, which may exert anticancer effects.
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Affiliation(s)
- Shuyi Mi
- Department of Gastroenterology, The First People's Hospital of Yuhang District, Hangzhou, Zhejiang Province, China.,School of Medicine, Zhejiang University City College, Hangzhou, Zhejiang Province, China
| | - Liang Gong
- Department of Otolaryngology, Cixi People's Hospital, Ningbo, Zhejiang Province, China
| | - Ziqi Sui
- Department of Gastroenterology, The First People's Hospital of Yuhang District, Hangzhou, Zhejiang Province, China.,Department of Pathophysiology, College of Basic Medical Sciences, Jiamusi University, Jiamusi, Heilongjiang Province, China
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10
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Schlesinger N, Edwards NL, Yeo AE, Lipsky PE. Development of a multivariable improvement measure for gout. Arthritis Res Ther 2020; 22:164. [PMID: 32600452 PMCID: PMC7325077 DOI: 10.1186/s13075-020-02254-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Accepted: 06/18/2020] [Indexed: 01/24/2023] Open
Abstract
Background Gout is a heterogeneous inflammatory disease with numerous clinical manifestations. A composite means to assess the impact of therapy on numerous aspects of gout could be useful. Methods Results from patients treated with pegloticase or placebo in two randomized clinical trials and their open-label extension were assessed using a novel evidence-based Gout Multivariable Improvement Measure (GMIM) derived from previously reported criteria for remission and complete response. Improvement was defined as serum urate (sU) < 6 mg/dL and absence of flares during the preceding 3 months plus 20, 50, and 70% improvement in tophus size, patient global assessment, pain, and swollen and tender joints. Results Patients treated with pegloticase manifested a significantly greater GMIM20, 50, and 70 response vs those treated with placebo (GMIM20 at 6 months 37.1% vs 0%, respectively). Higher response rates were significantly more frequent in subjects with persistent urate lowering (GMIM 58.1% at 6 months) in response to pegloticase versus those with only transient urate lowering (GMIM 7.1% at 6 months). However, when the requirement for a decrease in sU to < 6 mg/dL was omitted, a substantial percentage of subjects with transient urate lowering met the GMIM clinical criteria. A sensitivity analysis indicated that gout flares contributed minimally to the model. The response measured by GMIM persisted into the open-level extension for as long as 2 years. Finally, subjects who received placebo in the randomized control trials, but pegloticase in the open-label extension, manifested GMIM responses comparable to that noted with pegloticase-treated subjects in the randomized controlled trials. Conclusions GMIM captures changes in disease activity in response to treatment with pegloticase and may serve as an evidence-based tool for assessment of responses to other urate-lowering therapies in gout patients.
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Affiliation(s)
- Naomi Schlesinger
- Division of Rheumatology, Department of Medicine, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, USA
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Dehlin M, Jacobsson L, Roddy E. Global epidemiology of gout: prevalence, incidence, treatment patterns and risk factors. Nat Rev Rheumatol 2020; 16:380-390. [PMID: 32541923 DOI: 10.1038/s41584-020-0441-1] [Citation(s) in RCA: 500] [Impact Index Per Article: 125.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/11/2020] [Indexed: 12/12/2022]
Abstract
Gout is the most common inflammatory arthritis and occurs when hyperuricaemia, sustained elevation of serum urate levels resulting in supersaturation of body tissues with urate, leads to the formation and deposition of monosodium urate crystals in and around the joints. Recent reports of the prevalence and incidence of gout vary widely according to the population studied and methods employed but range from a prevalence of <1% to 6.8% and an incidence of 0.58-2.89 per 1,000 person-years. Gout is more prevalent in men than in women, with increasing age, and in some ethnic groups. Despite rising prevalence and incidence, suboptimal management of gout continues in many countries. Typically, only a third to half of patients with gout receive urate-lowering therapy, which is a definitive, curative treatment, and fewer than a half of patients adhere to treatment. Many gout risk factors exist, including obesity, dietary factors and comorbid conditions. As well as a firmly established increased risk of cardiovascular disease and chronic kidney disease in those with gout, novel associations of gout with other comorbidities have been reported, including erectile dysfunction, atrial fibrillation, obstructive sleep apnoea, osteoporosis and venous thromboembolism. Discrete patterns of comorbidity clustering in individuals with gout have been described. Increasing prevalence and incidence of obesity and comorbidities are likely to contribute substantially to the rising burden of gout.
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Affiliation(s)
- Mats Dehlin
- Department of Rheumatology and Inflammation Research, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Lennart Jacobsson
- Department of Rheumatology and Inflammation Research, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Edward Roddy
- Primary Care Centre Versus Arthritis, School of Primary, Community and Social Care, Keele University, Keele, UK. .,Haywood Academic Rheumatology Centre, Haywood Hospital, Midlands Partnership NHS Foundation Trust, Stoke-on-Trent, UK.
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12
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Chien TY, Lee ML, Wu WL, Ting HW. Exploration of Medical Trajectories of Stroke Patients Based on Group-Based Trajectory Modeling. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:E3472. [PMID: 31540463 PMCID: PMC6765978 DOI: 10.3390/ijerph16183472] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 08/28/2019] [Accepted: 09/10/2019] [Indexed: 12/21/2022]
Abstract
A high mortality rate is an issue with acute cerebrovascular disease (ACVD), as it often leads to a high medical expenditure, and in particular to high costs of treatment for emergency medical conditions and critical care. In this study, we used group-based trajectory modeling (GBTM) to study the characteristics of various groups of patients hospitalized with ACVD. In this research, the patient data were derived from the 1 million sampled cases in the National Health Insurance Research Database (NHIRD) in Taiwan. Cases who had been admitted to hospitals fewer than four times or more than eight times were excluded. Characteristics of the ACVD patients were collected, including age, mortality rate, medical expenditure, and length of hospital stay for each admission. We then performed GBTM to examine hospitalization patterns in patients who had been hospitalized more than four times and fewer than or equal to eight times. The patients were divided into three groups according to medical expenditure: high, medium, and low groups, split at the 33rd and 66th percentiles. After exclusion of unqualified patients, a total of 27,264 cases (male/female = 15,972/11,392) were included. Analysis of the characteristics of the ACVD patients showed that there were significant differences between the two gender groups in terms of age, mortality rate, medical expenditure, and total length of hospital stay. In addition, the data were compared between two admissions, which included interval, outpatient department (OPD) visit after discharge, OPD visit after hospital discharge, and OPD cost. Finally, the differences in medical expenditure between genders and between patients with different types of stroke-ischemic stroke, spontaneous intracerebral hemorrhage (sICH), and subarachnoid hemorrhage (SAH)-were examined using GBTM. Overall, this study employed GBTM to examine the trends in medical expenditure for different groups of stroke patients at different admissions, and some important results were obtained. Our results demonstrated that the time interval between subsequent hospitalizations decreased in the ACVD patients, and there were significant differences between genders and between patients with different types of stroke. It is often difficult to decide when the time has been reached at which further treatment will not improve the condition of ACVD patients, and the findings of our study may be used as a reference for assessing outcomes and quality of care for stroke patients. Because of the characteristics of NHIRD, this study had some limitations; for example, the number of cases for some diseases was not sufficient for effective statistical analysis.
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Affiliation(s)
- Ting-Ying Chien
- Department of Computer Science and Engineering, Yuan Ze University, Taoyuan City 320, Taiwan
- Graduate Program in Biomedical Informatics, Yuan Ze University, Taoyuan City 320, Taiwan
- Innovation Center for Big Data and Digital Convergence, Yuan Ze University, Taoyuan City 320, Taiwan
| | - Mei-Lien Lee
- Department of Computer Science and Engineering, Yuan Ze University, Taoyuan City 320, Taiwan
| | - Wan-Ling Wu
- Department of Computer Science and Engineering, Yuan Ze University, Taoyuan City 320, Taiwan
| | - Hsien-Wei Ting
- Graduate Program in Biomedical Informatics, Yuan Ze University, Taoyuan City 320, Taiwan.
- Department of Neurosurgery, Taipei Hospital, Ministry of Health and Welfare, New Taipei City 242, Taiwan.
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13
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Huang HC, Chiang HP, Hsu NW, Huang CF, Chang SH, Lin KC. Differential risk group of developing stroke among older women with gouty arthritis: A latent transition analysis. Eur J Clin Invest 2019; 49:e13090. [PMID: 30912848 DOI: 10.1111/eci.13090] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2017] [Revised: 09/24/2018] [Accepted: 10/26/2018] [Indexed: 12/24/2022]
Abstract
OBJECTIVE Gout-related comorbidities are intricate and its clinical features may demonstrate sex difference; however, few studies have evaluated the links between comorbidities and gout in a female population. The objectives of this study were to compare the aggregation and transitive trajectories of comorbidities of gout, and their consequences in female and male gout populations. METHODS A prospective cohort study was conducted using data from the Taiwan National Health Insurance Research Database. A female and male gout population were followed up from 2000 to 2009 to identify the comorbidities of cardiovascular disease, hyperlipidemia, hypertension, diabetes mellitus (DM) and chronic kidney disease. The cumulative incidence of stroke from 2000 to 2010 was examined. A latent trajectory analysis was used to determine the transitive trajectories of the comorbidities of gout. RESULTS Both female and male patients with gout had five risk cluster transition (CT) phenotypes of comorbidities within 10-year follow-up: CT1 and CT2, with various persistent comorbidities; CT3, with few persistent comorbidities; and CT4 and CT5, with transfer to cluster 1 from other clusters. The female participants in CT2 predominantly experienced DM and were associated with significantly increased risk of developing stroke. CONCLUSION Diabetes is a notable risk factor for the development of stroke in female patients with gout. Early assessment and management for the comorbidities of gout, particularly in DM, would effectively reduce future stroke risk in female gout population.
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Affiliation(s)
- Hui-Chuan Huang
- School of Nursing, College of Nursing, Taipei Medical University, Taipei, Taiwan
| | - Hsueh-Ping Chiang
- Secretary Room, National Yang-Ming University Hospital, Yilan City, Taiwan
| | - Nai-Wei Hsu
- Division of Cardiology, Department of Internal Medicine, National Yang-Ming University Hospital, Yilan City, Taiwan
| | - Chien-Fang Huang
- Division of Quality Improvement, Joint Commission of Taiwan, New Taipei City, Taiwan
| | - Sheng Hsuan Chang
- Secretary Room, National Yang-Ming University Hospital, Yilan City, Taiwan
| | - Kuan-Chia Lin
- IInstitute of Hospital and Health Care Administration, Community Research Center, Preventive Medicine Research Center, National Yang-Ming University, Taipei, Taiwan
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Chen CI, Yeh JS, Tsao NW, Lin FY, Shih CM, Chiang KH, Kao YT, Fang YA, Tsai LW, Liu WC, Nakagami H, Morishita R, Kuo YJ, Huang CY. Association between renin-angiotensin-aldosterone system blockade and future osteoporotic fracture risk in hypertensive population: A population-based cohort study in Taiwan. Medicine (Baltimore) 2017; 96:e8331. [PMID: 29145244 PMCID: PMC5704789 DOI: 10.1097/md.0000000000008331] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Tissue renin-angiotensin-aldosterone system (RAAS) activation in sites of osteoporosis had been demonstrated in animal studies; however, the possibility of RAAS blockade to prevent future osteoporotic fracture had rarely been verified in clinical studies. We Used the Taiwan Longitudinal Health insurance database 2000 to 2008, the cohort study comprised patients age over 40 with a recorded new diagnosis of hypertension between January 1, 2000 to December 31, 2008, in addition, patients who had diagnosis of osteoporosis before the date of cohort enter were excluded. After the definite diagnosis of hypertension, each patient was followed until osteoporotic fracture happened or the end of 2008. The occurrence of osteoporotic fracture was evaluated in patients who either were or without taking RAAS blockade agents. Cox proportional hazard regressions were used to evaluate the osteoporotic fracture incidence after adjusting for known confounding factors. In total, 57,132 hypertensive patients comprised the study cohort. Our study results showed that the incidence of osteoporosis fracture in the whole cohort was significantly higher in the RAAS blockade non-user group than the user group. This phenomenon was observed in both sex and all age categories. Sensitivity analysis further showed the concordant lower osteoporosis fracture risk in patients with various RAAS blockers usage durations; the risk of osteoporosis fracture was the lowest in those drug use >365 days when compared with the non-user cohort. In conclusion, our study result demonstrated the lower future osteoporotic fracture risk in hypertensive subjects who received long term RAAS blocker treatment.
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Affiliation(s)
| | | | | | - Fen-Yen Lin
- Department of Internal Medicine
- Graduate Institute of Clinical Medicine, School of Medicine, College of Medicine
- Division of Cardiology and Cardiovascular Research Center
| | - Chun-Ming Shih
- Department of Internal Medicine
- Graduate Institute of Clinical Medicine, School of Medicine, College of Medicine
- Division of Cardiology and Cardiovascular Research Center
| | - Kuang-Hsing Chiang
- Department of Internal Medicine
- Division of Cardiology and Cardiovascular Research Center
| | - Yung-Ta Kao
- Department of Internal Medicine
- Division of Cardiology and Cardiovascular Research Center
| | - Yu-Ann Fang
- Center of Excellence for Cancer Research
- Cancer Center, Taipei Medical University Wang Fung Hospital
| | - Lung-Wen Tsai
- Graduate Institute of Biomedical Informatics, Taipei Medical University
- Evidence-base Medicine Center
- Department of Business
- Institute of Clinical Medical Sciences, Chang Gung University
- Department of Living Science, National Open University, Taipei, Taiwan
| | - Wen-Chi Liu
- Department of Business
- Institute of Clinical Medical Sciences, Chang Gung University
- Department of Living Science, National Open University, Taipei, Taiwan
| | | | - Ryuichi Morishita
- Department of Clinical Gene Medicine, Osaka University, Osaka, Japan
| | - Yi-Jie Kuo
- Department of Surgery, Taipei Medical University Hospital
| | - Chun-Yao Huang
- Department of Internal Medicine
- Division of Cardiology and Cardiovascular Research Center
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15
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Ten Brinck RM, de Moel EC, van der Pol JA, van Beest S, de Koning A, Huizinga TWJ. Is optimising gout treatment the key to closing the mortality gap in gout patients? Ann Rheum Dis 2017; 77:e2. [PMID: 28546256 DOI: 10.1136/annrheumdis-2017-211638] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Accepted: 04/13/2017] [Indexed: 11/04/2022]
Affiliation(s)
- Robin M Ten Brinck
- Department of Rheumatology, Leiden University Medical Centre, Leiden, The Netherlands
| | - Emma C de Moel
- Department of Rheumatology, Leiden University Medical Centre, Leiden, The Netherlands
| | - Joy A van der Pol
- Department of Rheumatology, Leiden University Medical Centre, Leiden, The Netherlands
| | - Sjoerd van Beest
- Department of Rheumatology, Leiden University Medical Centre, Leiden, The Netherlands
| | - Anoek de Koning
- Department of Rheumatology, Leiden University Medical Centre, Leiden, The Netherlands
| | - Tom W J Huizinga
- Department of Rheumatology, Leiden University Medical Centre, Leiden, The Netherlands
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