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Sellam J, Maheu E, Crema MD, Touati A, Courties A, Tuffet S, Rousseau A, Chevalier X, Combe B, Dougados M, Fautrel B, Kloppenburg M, Laredo JD, Loeuille D, Miquel A, Rannou F, Richette P, Simon T, Berenbaum F. The DIGICOD cohort: A hospital-based observational prospective cohort of patients with hand osteoarthritis - methodology and baseline characteristics of the population. Joint Bone Spine 2021; 88:105171. [PMID: 33689840 DOI: 10.1016/j.jbspin.2021.105171] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Accepted: 02/17/2021] [Indexed: 02/07/2023]
Abstract
OBJECTIVE Despite its prevalence, there are few worldwide hand osteoarthritis (HOA) cohorts. The main objective of DIGItal COhort Design (DIGICOD) cohort is to investigate prognostic clinical, biological, genetic and imaging factors of clinical worsening after 6years follow-up. METHODS DIGICOD is a hospital-based prospective cohort including patients>35years-old with symptomatic HOA fulfilling: (i) ACR criteria for HOA with≥2 symptomatic joints among proximal/distal interphalangeal joints or 1st interphalangeal joint with Kellgren-Lawrence (KL)≥2; or (ii) symptomatic thumb base OA with KL≥2. Main exclusion criteria were inflammatory arthritis and crystal arthropathies. Annual clinical evaluations were scheduled with imaging (X-rays of the hands and of other OA symptomatic joints) and biological sampling every 3years. Hand radiographs are scored using KL and anatomical Verbruggen-Veys scores. Follow-up visits are ongoing. Cohort methodology and baseline characteristics are presented. RESULTS Between April 2013 and June 2017, from the 436 HOA included patients, 426 have been analysed of whom 357 (84%) are women. Mean age±standard deviation was 66.7±7.3years and mean disease duration was 12.6±9.6years. Metabolic syndrome affected 151 (36.5%) patients. Mean Visual Analog Scale (VAS) hand pain (0-100mm) was 44.4±26.7mm at activity. Mean FIHOA (0-100) was 19.9±18.6. Elevated serum CRP level (≥5mg/L) involved 10% patients. Mean KL score (0-128) was 46.7±18 and the mean number of joint with KL≥2 was 15.1±6.3. Erosive HOA (defined as≥1 Erosive or Remodeling phase joint according to Verbruggen-Veys score) involved 195/426 (45.8%) patients and the median number (interquartile range) of erosive joints in erosive patients was 3.0 (1.0-5.0). CONCLUSION DIGICOD is a unique prospective HOA cohort with a long-term 6years standardized assessment and has included severe radiologically HOA patients with a high prevalence of erosive disease.
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Affiliation(s)
- Jérémie Sellam
- Assistance Publique-Hôpitaux de Paris (AP-HP), Sorbonne Université, Service de rhumatologie, Hôpital Saint-Antoine, Paris, France; Centre de Recherche Saint-Antoine, Inserm URMS_938, Paris, France
| | - Emmanuel Maheu
- Assistance Publique-Hôpitaux de Paris (AP-HP), Sorbonne Université, Service de rhumatologie, Hôpital Saint-Antoine, Paris, France
| | - Michel D Crema
- Institut d'Imagerie du Sport, Institut National du Sport, de l'Expertise et de la Performance (INSEP), Paris, France
| | - Amel Touati
- AP-HP, Sorbonne Université, Service de Pharmacologie Clinique et Plateforme de Recherche Clinique de l'Est Parisien (URCEST, CRB, CRC), Hôpital Saint-Antoine, Paris, France
| | - Alice Courties
- Assistance Publique-Hôpitaux de Paris (AP-HP), Sorbonne Université, Service de rhumatologie, Hôpital Saint-Antoine, Paris, France; Centre de Recherche Saint-Antoine, Inserm URMS_938, Paris, France
| | - Sophie Tuffet
- AP-HP, Sorbonne Université, Service de Pharmacologie Clinique et Plateforme de Recherche Clinique de l'Est Parisien (URCEST, CRB, CRC), Hôpital Saint-Antoine, Paris, France
| | - Alexandra Rousseau
- AP-HP, Sorbonne Université, Service de Pharmacologie Clinique et Plateforme de Recherche Clinique de l'Est Parisien (URCEST, CRB, CRC), Hôpital Saint-Antoine, Paris, France
| | - Xavier Chevalier
- AP-HP, UPEC, Service de rhumatologie, Hôpital Henri-Mondor, Paris, France
| | - Bernard Combe
- Département de rhumatologie, CHU, Université de Montpellier, Montpellier, France
| | - Maxime Dougados
- AP-HP, Service de rhumatologie, Université de Paris, Service de rhumatologie, Hôpital Cochin, Paris, France
| | - Bruno Fautrel
- AP-HP, Sorbonne Université, Service de rhumatologie, Hôpital Pitié-Salpêtrière, Paris, France
| | - Margreet Kloppenburg
- Departments of Rheumatology and Clinical Epidemiology, Leiden University Medical Center, Leiden, Netherlands
| | - Jean-Denis Laredo
- Service de radiologie, Université de Paris, Hôpital Lariboisière, Paris, France
| | | | - Anne Miquel
- AP-HP, Sorbonne Université, Service de radiologie, Hôpital Saint-Antoine, Paris, France
| | - François Rannou
- Service de Rééducation et de Réadaptation de l'Appareil Locomoteur et des Pathologies du Rachis, AP-HP, Centre-Université de Paris, Hôpital Cochin, Paris, France; Université de Paris, Faculté de Santé, UFR de Médecine, Université de Paris, 75006 Paris, France; INSERM UMRS-1124, Toxicité Environnementale, Cibles Thérapeutiques, Signalisation Cellulaire et Biomarqueurs (T3S), Campus Saint-Germain-des-Prés, Paris, France
| | - Pascal Richette
- AP-HP, Université de Paris, Service de rhumatologie, Hôpital Lariboisière, Paris, France
| | - Tabassome Simon
- AP-HP, Sorbonne Université, Service de Pharmacologie Clinique et Plateforme de Recherche Clinique de l'Est Parisien (URCEST, CRB, CRC), Hôpital Saint-Antoine, Paris, France
| | - Francis Berenbaum
- Assistance Publique-Hôpitaux de Paris (AP-HP), Sorbonne Université, Service de rhumatologie, Hôpital Saint-Antoine, Paris, France; Centre de Recherche Saint-Antoine, Inserm URMS_938, Paris, France.
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