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The prevalence of Sjogren's syndrome (SS) in rheumatoid arthritis (RA) patients varies from 3.5 to 31%. Between 30% and 90% of patients with (RA) have dry eye and/or mouth syndrome. To date, no studies have assessed whether RA patients have echostructural changes in their salivary glands suggestive of SS and the factors associated with these changes.The aim of this study is to investigate if there are changes in the echostructure of the salivary glands of RA patients, especially in patients with dry syndrome.
The EchoPR study is an exploratory pathophysiology, cross-sectional, case-control study.
The aim is to study the echo-structure of the salivary glands of patients with RA ( group of 70 patients), in comparison to patients with SS (suspected of strong alteration of the echo-structure)(group of 70 patients) and patients with sicca, asthenia, polyalgia syndrome (SAPS)(group of 70 patients).
After a standard consultation with the rheumatologist, patients in each group will have an salivary gland ultrasound to assess the homogeneity of the echostructure of the parotid and submandibular salivary glands. A salivary flow measurement for 15 minutes and a Schirmer test to determine tear secretion for 5 minutes are also performed. All of these tests are performed during a single visit, so the total study time for the patient is one hour. Patient recruitment is expected to last 1 year.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Group of case patients | Other |
|
|
| Group of control patients | Other | Patients with Sicca, Asthenia, Polyalgia Syndrome (SAPS) |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Ultrasound of the salivary glands | Other | Salivary gland ultrasound is, a non-invasive, non-irradiating and easily accessible examination, offers promising results for the diagnosis of primary SS. It allows the identification of changes in the homogeneity of the echostructure of the main salivary glands in the parotid and submandibular region.The patient lies on the examination table with the head slightly turned to the side opposite the gland being examined. The examination will be done on the parotid and submandibular glands on both sides.The parotid glands will be measured in length and width.The surface of the gland will be calculated: (length x width)/2.The sub-maxillary glands will be measured in length and surface. The exam will be performed in 10 minutes. |
| Measure | Description | Time Frame |
|---|---|---|
| OMERACT (Outcome Measures in Rheumatology) B-mode ultrasound homogeneity score greater than or equal to 2 in at least one of the 4 salivary glands | The echostructure of the gland will be graded from 0 to 4 according to the OMERACT score :
| 10 minutes |
| Measure | Description | Time Frame |
|---|---|---|
| Color Doppler ultrasound vascularity score of OMERACT greater than or equal to 2 on at least one of the 4 salivary glands | For each patient, 4 grades will be obtained (1 per gland); the highest grade obtained and the sum of the 4 grades will be combined. A rating of the Doppler vascularization according to the OMERACT criteria will then be performed:
|
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Inclusion Criteria:
Patient, male or female, over 18 years of age, followed in the Rheumatology Department of the Clermont-Ferrand University Hospital, capable of giving informed consent to participate in the research.
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Lise LACLAUTRE | Contact | +33473754963 | promo_interne_drci@chu-clermontferrand.fr |
| Name | Affiliation | Role |
|---|---|---|
| Marion Couderc | University Hospital, Clermont-Ferrand | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| CHU de Clermont-Ferrand | Recruiting | Clermont-Ferrand | 63000 | France |
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It's a cross-sectional case-control study. The study will include patients with rheumatoid arthritis compared to patients with Sjögren's syndrome or Sicca, Asthenia, Polyalgia syndrome (SAPS).
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| Measurement of salivary flow | Other | Saliva flow measurement, which consists of measuring the quantity of saliva that the patient can emit in 15 minutes |
|
| A Schirmer test | Other | A strip of blotting paper graduated from five to five millimeters is placed in the eye for 5 minutes, avoiding any corneal contact. |
|
| 10 minutes |
| Surface of the submandibular salivary glands | The surface of the gland will be calculated: (length x width)/2. | 2 minutes |
| Length and width of the parotid glands | During the ultrasound, the examination will be done bilaterally on the parotid and submandibular glands in B mode with measurement of the dimensions of the glands (length and width in the longitudinal and axial plane for the parotids, longitudinal for the submandibular) | 2 minutes |
| Length of the submandibular glands | During the ultrasound, the examination will be done bilaterally on the parotid and submandibular glands in B mode with measurement of the dimensions of the glands (length and width in the longitudinal and axial plane for the parotids, longitudinal for the submandibular) | 2 minutes |
| ID | Term |
|---|---|
| D001172 | Arthritis, Rheumatoid |
| D012859 | Sjogren's Syndrome |
| D001247 | Asthenia |
| ID | Term |
|---|---|
| D001168 | Arthritis |
| D007592 | Joint Diseases |
| D009140 | Musculoskeletal Diseases |
| D012216 | Rheumatic Diseases |
| D003240 | Connective Tissue Diseases |
| D017437 | Skin and Connective Tissue Diseases |
| D001327 | Autoimmune Diseases |
| D007154 | Immune System Diseases |
| D014987 | Xerostomia |
| D012466 | Salivary Gland Diseases |
| D009059 | Mouth Diseases |
| D009057 | Stomatognathic Diseases |
| D015352 | Dry Eye Syndromes |
| D007766 | Lacrimal Apparatus Diseases |
| D005128 | Eye Diseases |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
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