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Muntyanu A, Aw K, Kaouache M, Rahme E, Osman M, Baron M, Ghazal S, Netchiporouk E. Epidemiology of systemic sclerosis in Quebec, Canada: a population-based study. LANCET REGIONAL HEALTH. AMERICAS 2024; 35:100790. [PMID: 38962065 PMCID: PMC11220520 DOI: 10.1016/j.lana.2024.100790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 04/18/2024] [Accepted: 05/14/2024] [Indexed: 07/05/2024]
Abstract
Background Systemic sclerosis (SSc) is a systemic life-threatening autoimmune rheumatic disease. We aimed to assess the incidence, prevalence, mortality and spatiotemporal trends of SSc in Quebec, Canada with stratification by sex and age. Methods SSc cases were identified from Quebec populational databases from 1989 to 2019. Negative Binomial (NB) Generalized Linear Models were used for age-standardized incidence rates (ASIR) analyses and NB random walk for prevalence and mortality. A Poisson Besag-York-Mollié regression model was used for spatial analysis. Findings 8180 incident SSc cases were identified between 1996 and 2019 with an average age of 57.3 ± 16.3 years. The overall ASIR was 4.14/100,000 person-years (95%, Confidence Interval (CI) 4.05-4.24) with a 4:1 female predominance. ASIR increased steadily over time with an Average Annual Percent Change (AAPC) of 3.94% (95% CI 3.49-4.38). While the highest incidence rates were in those aged 60-79 years old among females and >80 years old among males, the highest AAPC (∼10%) was seen in children. Standarized incidence ratios varied geographically between 0.52 to 1.64. The average prevalence was 28.96/100,000 persons (95% CI 28.72-29.20). The Standardized Mortality Ratio (SMR) decreased from 4.18 (95% CI 3.64-4.76) in 1996 to 2.69 (95% CI 2.42-2.98) in 2019. Females had a greater SMR until 2007 and males thereafter. The highest SMR was in children and young adults [31.2 (95% CI 8.39-79.82) in the 0-19-year age group]. Interpretation We showed an increasing trend in SSc incidence and prevalence and a decline in SMR over a 25-year period in Quebec. An uneven geographic distribution of SSc incidence was demonstrated. Funding National Scleroderma Foundation, Canadian Dermatology Foundation/Canadian Institutes of Health Research.
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Affiliation(s)
- Anastasiya Muntyanu
- Division of Experimental Medicine, McGill University Health Centre, Montreal, Quebec, Canada
- Division of Dermatology, University of Toronto, Toronto, Ontario, Canada
| | - Katherine Aw
- Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada
| | - Mohammed Kaouache
- The Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada
| | - Elham Rahme
- Centre for Outcomes Research and Evaluation, Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada
- Division of Clinical Epidemiology, Department of Medicine, McGill University Health Centre, Montreal, Quebec, Canada
| | - Mohamed Osman
- Division of Rheumatology, Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
| | - Murray Baron
- Division of Rheumatology, Department of Medicine, Jewish General Hospital, Montreal, Quebec, Canada
| | - Stephanie Ghazal
- Division of Dermatology, Department of Medicine, McGill University Health Centre, Montreal, Quebec, Canada
| | - Elena Netchiporouk
- Division of Dermatology, Department of Medicine, McGill University Health Centre, Montreal, Quebec, Canada
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Albrecht K, Ohrndorf S, Strangfeld A. [Sex-specific aspects in rheumatology]. Z Rheumatol 2024:10.1007/s00393-024-01527-6. [PMID: 38869669 DOI: 10.1007/s00393-024-01527-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/14/2024] [Indexed: 06/14/2024]
Abstract
Women and men differ in terms of the development and manifestation of inflammatory rheumatic diseases and outcomes as well as with respect to disease perception, health behavior and response to antirheumatic treatment. Sex-specific aspects are increasingly being researched in nearly all medical disciplines to optimize treatment strategies with the aim to improve individual treatment success. This article describes sex differences that can even now be taken into account in rheumatological care.
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Affiliation(s)
- Katinka Albrecht
- Programmbereich Epidemiologie und Versorgungsforschung, Deutsches Rheuma-Forschungszentrum Berlin, Charitéplatz 1, 10117, Berlin, Deutschland.
| | - Sarah Ohrndorf
- Medizinische Klinik mit Schwerpunkt Rheumatologie und Klinische Immunologie, Charité Universitätsmedizin Berlin, Berlin, Deutschland
| | - Anja Strangfeld
- Programmbereich Epidemiologie und Versorgungsforschung, Deutsches Rheuma-Forschungszentrum Berlin, Charitéplatz 1, 10117, Berlin, Deutschland
- Medizinische Klinik mit Schwerpunkt Rheumatologie und Klinische Immunologie, Charité Universitätsmedizin Berlin, Berlin, Deutschland
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Lee YH, Song GG. Standardized mortality ratios in systemic sclerosis: a meta-analysis assessing overall and sex- and disease subtype-specific differences. Z Rheumatol 2024; 83:175-182. [PMID: 37597012 DOI: 10.1007/s00393-023-01401-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/07/2023] [Indexed: 08/21/2023]
Abstract
OBJECTIVE This study aims to evaluate the overall and sex- and illness subtype-specific standardized mortality ratios (SMRs) in patients with systemic sclerosis (SSc). METHODS We searched and examined studies that compared the overall and sex- and illness subtype-specific SMRs in patients with SSc to those in the general population using MEDLINE, EMBASE, and Cochrane databases (until May 2023). We then conducted a meta-analysis of the overall and sex- and illness subtype-specific SMRs in patients with SSc. RESULTS Overall, 29 studies including 30,673 patients with SSc and 5582 deaths met the inclusion criteria. Patients with SSc had a higher overall SMR than that in the general population (SMR: 2.742, 95% confidence interval [CI]: 2.224-3.38091, p < 0.001). The SMR significantly increased in populations from Europe, North America, Asia, and Oceania according to regional stratification. A sex-specific meta-analysis revealed a substantial increase in the SMR in both men and women (SMR: 3.598, 95% CI: 3.097-4.180, p < 0.001; SMR: 2.833, 95% CI: 2.4384-3.292, p < 0.001, respectively) and the mortality rate was higher in men compared to women. A substantial increase in the SMR in diffuse cutaneous SSc (dcSSc) and limited cutaneous SSc (lcSSc) was observed in a disease subtype-specific meta-analysis. In addition, the SMR in the dcSSc group was higher than that in the lcSSc group (SMR: 4.726, 95% CI: 3.795-5.885, p < 0.001; SMR: 1.987, 95% CI: 1.586-2.489, p < 0.001, respectively). CONCLUSION Our findings demonstrated that the mortality rate in patients with SSc was 2.74-times greater than that in the general population. The mortality rate was higher in men compared to women. Additionally, compared to patients with lcSSc, those with dcSSc showed much higher fatality rates.
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Affiliation(s)
- Young Ho Lee
- Department of Rheumatology, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Korea (Republic of).
| | - Gwan Gyu Song
- Department of Rheumatology, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Korea (Republic of)
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Bairkdar M, Chen EYT, Dickman PW, Hesselstrand R, Westerlind H, Holmqvist M. Survival in Swedish patients with systemic sclerosis: a nationwide population-based matched cohort study. Rheumatology (Oxford) 2023; 62:1170-1178. [PMID: 35984290 PMCID: PMC9977125 DOI: 10.1093/rheumatology/keac474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 08/05/2022] [Accepted: 08/05/2022] [Indexed: 11/14/2022] Open
Abstract
OBJECTIVES To conduct the first-ever nationwide, population-based cohort study investigating survival patterns of all patients with incident SSc in Sweden compared with matched individuals from the Swedish general population. METHODS We used the National Patient Register to identify patients with incident SSc diagnosed between 2004 and 2015 and the Total Population Register to identify comparators (1:5), matched on sex, birth year and residential area. We followed them until death, emigration or the end of 2016. Follow-up of the general population comparators started the same date as their matched patients were included. We estimated all-cause survival using the Kaplan-Meier method, crude mortality rates and hazard ratios (HRs) using flexible parametric models. RESULTS We identified 1139 incident patients with SSc and 5613 matched comparators. The median follow-up was 5.0 years in patients with SSc and 6.0 years for their comparators. During follow-up, 268 deaths occurred in patients with SSc and 554 in their comparators. The 5-year survival was 79.8% and the 10-year survival was 67.7% among patients with SSc vs 92.9% and 84.8%, respectively, for the comparators (P < 0.0001). The mortality rate in patients with SSc was 42.1 per 1000 person-years and 15.8 per 1000 person-years in their comparators, corresponding to an HR of 3.7 (95% CI 2.9, 4.7) at the end of the first year of follow-up and 2.0 (95% CI 1.4, 2.8) at the end of the follow-up period. CONCLUSION Despite advances in understanding the disease and in diagnostic methods over the past decades, survival is still severely impacted in Swedish patients diagnosed with SSc between 2004 and 2015.
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Affiliation(s)
- Majd Bairkdar
- Division of Clinical Epidemiology, Department of Medicine, Solna
| | - Enoch Yi-Tung Chen
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm
| | - Paul W Dickman
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm
| | - Roger Hesselstrand
- Department of Clinical Sciences Lund, Section for Rheumatology, Lund University and Skåne University Hospital, Lund
| | - Helga Westerlind
- Division of Clinical Epidemiology, Department of Medicine, Solna
| | - Marie Holmqvist
- Division of Clinical Epidemiology, Department of Medicine, Solna
- Division of Rheumatology, Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden
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Mortality in Inflammatory Rheumatic Diseases: Lithuanian National Registry Data and Systematic Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph182312338. [PMID: 34886062 PMCID: PMC8656671 DOI: 10.3390/ijerph182312338] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 11/21/2021] [Accepted: 11/22/2021] [Indexed: 02/03/2023]
Abstract
Despite significant improvement in survival, rheumatic diseases (RD) are associated with premature mortality rates comparable to cardiovascular and neoplastic disorders. The aim of our study was to assess mortality, causes of death, and life expectancy in an inflammatory RD retrospective cohort and compare those with the general population as well as with the results of previously published studies in a systematic literature review. Patients with the first-time diagnosis of inflammatory RD during 2012-2019 were identified and cross-checked for their vital status and the date of death. Sex- and age-standardized mortality ratios (SMR) as well as life expectancy for patients with inflammatory RDs were calculated. The results of a systematic literature review were included in meta-standardized mortality ratio calculations. 11,636 patients with newly diagnosed RD were identified. During a total of 43,064.34 person-years of follow-up, 950 death cases occurred. The prevailing causes of death for the total cohort were cardiovascular diseases and neoplasms. The age- and sex-adjusted SMR for the total cohort was calculated to be 1.32 (1.23; 1.40). Patients with rheumatoid arthritis if diagnosed at age 18-19 tend to live for 1.63 years less than the general population, patients with spondyloarthritis-for 2.7 years less, patients with connective tissue diseases-for almost nine years less than the general population. The findings of our study support the hypothesis that patients with RD have a higher risk of mortality and lower life expectancy than the general population.
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Rees MS, Frampton C, White DHN, Solanki KK. Increased malignancies in our Waikato cohort of patients with systemic sclerosis. Int J Rheum Dis 2021; 24:555-561. [PMID: 33751804 DOI: 10.1111/1756-185x.14091] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Revised: 01/14/2021] [Accepted: 02/08/2021] [Indexed: 11/28/2022]
Abstract
BACKGROUND Systemic sclerosis (SSc) has been associated with an increased risk of malignancy (especially in the skin, lung, breast, and hematological system). AIM To determine the risk of malignancies in our SSc cohort. METHODS The NZ National Cancer Registry supplied details of all malignancies recorded in patients attending the Waikato Hospital Systemic Sclerosis Clinics from 2005 to 2018. Prospectively gathered clinical data were used to look for associations between clinical variables and malignancy. RESULTS Out of the 164 patients in the Waikato SSc cohort, 32 (19.5%) had developed a malignancy. The overall standardized incidence rate was found to be 2.2 (95% CI 1.4-3.4) but was higher for men (4.4, 95% CI 1.4-10.3). The absolute numbers of patients with SSc and malignancies were small and were not adequately powered to investigate the SSc subgroups. The mean age of patients with malignancy was approximately 8 years older than patients without. The most common form of malignancy was skin (14, 43.7%), followed by breast (6, 18.7%), and lymphoma (5, 15.6%). CONCLUSION This study found an increased risk of malignancy for patients within the Waikato SSc cohort. Risk was greater in male patients and the mean age of patients with malignancies was approximately 8 years older than those without malignancy.
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Affiliation(s)
| | - Chris Frampton
- Christchurch School of Medicine, University of Otago, New Zealand
| | - Douglas H N White
- Rheumatology Department, Waikato District Health Board, Hamilton, New Zealand.,Waikato Clinical School, University of Auckland, Auckland, New Zealand
| | - Kamal K Solanki
- Rheumatology Department, Waikato District Health Board, Hamilton, New Zealand.,Waikato Clinical School, University of Auckland, Auckland, New Zealand
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Liu C, Hou Y, Xu D, Li L, Zhang Y, Cheng L, Yan S, Zhang F, Li Y. Analysis of anti-RNA polymerase III antibodies in Chinese Han systemic sclerosis patients. Clin Rheumatol 2019; 39:1191-1197. [PMID: 31858335 DOI: 10.1007/s10067-019-04806-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2019] [Revised: 09/12/2019] [Accepted: 10/02/2019] [Indexed: 12/22/2022]
Abstract
OBJECTIVES This study aimed to assess the prevalence and clinical correlation of anti-RNA polymerase III antibodies (anti-RNAP III) in Chinese Han systemic sclerosis (SSc) patients. METHODS Serum samples from 236 patients with SSc, 125 patients with connective tissue diseases (CTD), and 166 healthy controls (HCs), recruited from Peking Union Medical College Hospital and 21 other medical centers in China, were tested for antibodies to RNA polymerase III by means of a line immunoassay (LIA) or an enzyme-linked immunosorbent assay (ELISA) kit. RESULTS Anti-RNAP III antibodies were found in 14/236 SSc patients (5.93%), 1/125 (0.80%) CTD patients, and 0/166 (0.00%) HCs. The prevalence of anti-RNAP III was higher in SSc patients than in the CTD and HC groups (p = 0.02, p = 0.001, respectively). Renal crisis was significantly more common in patients with anti-RNAP III than patients without anti-RNAP III (42.9 vs. 4.1%, p < 0.0001). Gastrointestinal involvement was significantly more common in patients without anti-RNAP III than patients with anti-RNAP III (53.6 vs. 21.4%, p = 0.039). There was good agreement between the ELISA and line immunoassay (LIA) detection capabilities for anti-RNAP III. CONCLUSIONS The anti-RNAP III antibody, which was detected by ELISA, has diagnostic value for SSc and predictive value for SSc-related renal crisis. Both ELISA and LIA are very reliable methods for anti-RNAP III.Key Points• The prevalence of anti-RNAP III antibody was determined in Chinese SSc patients and performed ethnic differences.• The clinical association between anti-RNAP III antibody and Chinese SSc patients was evaluated in this research.• Methodological consistency of detection of anti-RNAP III antibody using commercial ELISA and LIA methods was evaluated in this research.
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Affiliation(s)
- Chenxi Liu
- Department of Clinical Laboratory, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, 1 Shuaifuyuan, Dongcheng District, 100730, Beijing, People's Republic of China
| | - Yong Hou
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, 1 Shuaifuyuan, Dongcheng District, 100730, Beijing, People's Republic of China
| | - Dong Xu
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, 1 Shuaifuyuan, Dongcheng District, 100730, Beijing, People's Republic of China
| | - Liubing Li
- Department of Clinical Laboratory, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, 1 Shuaifuyuan, Dongcheng District, 100730, Beijing, People's Republic of China
| | - Yanfang Zhang
- Department of Clinical Laboratory, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, 1 Shuaifuyuan, Dongcheng District, 100730, Beijing, People's Republic of China
| | - Linlin Cheng
- Department of Clinical Laboratory, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, 1 Shuaifuyuan, Dongcheng District, 100730, Beijing, People's Republic of China
| | - Songxin Yan
- Department of Clinical Laboratory, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, 1 Shuaifuyuan, Dongcheng District, 100730, Beijing, People's Republic of China
| | - Fengchun Zhang
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, 1 Shuaifuyuan, Dongcheng District, 100730, Beijing, People's Republic of China.
| | - Yongzhe Li
- Department of Clinical Laboratory, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, 1 Shuaifuyuan, Dongcheng District, 100730, Beijing, People's Republic of China.
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Abstract
PURPOSE OF REVIEW Systemic sclerosis is a debilitating rheumatic disease with high morbidity and mortality. This review attempts to provide the most recent update on mortality and survival and their determinants in systemic sclerosis (SSc). RECENT FINDINGS SSc remains an uncommon rheumatic disease with high mortality. There have been attempts to devise more comprehensive but simpler scoring systems to prognosticate survival in SSc, which will influence triaging of patients and guide the utilization of aggressive treatment strategies. SUMMARY Updated literature review on mortality and survival in SSc has confirmed its high-case fatality but a slowly improving survival profile over time. It identifies some gaps in knowledge, especially in regards to ethnic differences.
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Liu C, Hou Y, Yang Y, Xu D, Li L, Li J, Wen X, Zeng X, Zhang F, Li Y. Evaluation of a commercial immunoassay for autoantibodies in Chinese Han systemic sclerosis population. Clin Chim Acta 2019; 491:121-125. [DOI: 10.1016/j.cca.2019.01.020] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Revised: 10/11/2018] [Accepted: 01/22/2019] [Indexed: 01/24/2023]
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Lee YH. Overall and sex- and disease subtype-specific mortality in patients with systemic sclerosis. Z Rheumatol 2018; 78:195-201. [DOI: 10.1007/s00393-018-0492-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Assessment of hospitalization and mortality of scleroderma in-patients: a thirteen-year study. Reumatologia 2017; 55:163-168. [PMID: 29056770 PMCID: PMC5647531 DOI: 10.5114/reum.2017.69776] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Accepted: 08/02/2017] [Indexed: 12/25/2022] Open
Abstract
OBJECTIVE Systemic sclerosis (SSc) is an uncommon non-hereditary sporadic disease that increases the risk of premature death, especially in diffuse type. We determined the prevalence of SSc in the last 13 years in our rheumatologic hospitals as a referral center for southern Iranian patients, the causes of hospitalization, the average length of stay (LOS), the mortality rate, and the reason for their mortality. MATERIAL AND METHODS A cross-sectional study was performed in Shiraz University of Medical Sciences, Iran. The studied population included all patients diagnosed with systemic sclerosis. We calculated the hospitalization rates, in-hospital mortality rates, and mean LOS. RESULTS There were 446 admissions by 181 patients with SSc. The female to male ratio was about 10.7 : 1. The overall mean LOS was 5.95 days. Digital ulcer and interstitial lung disease (ILD) were the most common causes of hospitalizations among the SSc-related events. For those with a non-SSc-related condition, infection was the most prevalent event. Most of the deaths were due to ILD and pulmonary artery hypertension(PAH), and the overall in-hospital mortality rate was 16.5%. CONCLUSIONS Women with SSc had higher rates of hospitalization but lower in-hospital mortality than men.There were some differences between our study and other similar studies in the causes of hospitalization and in-hospital death among SSc patients, especially the lower age of death. The patients with digital ulcers and those with intestinal lung disease or pulmonary hipertension were most commonly admitted to the hospital in our study group. Probably, increasing the skin care of these patients and asking other specialty groups to cooperate will decrease the high rate of hospitalizations in our population.
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