Abstract
Background:Rheumatoid Arthritis (RA) is a chronic, inflammatory and systemic autoimmune disease, affecting multiple joints particularly small joints in hands and feet.1For the past two decades, there has been significant change in approach for the diagnosis and treatment of RA. Now early diagnosis and aggressive management of RA is considered key role for preventing permanent damage to joints.2Treat to Target (T2T) strategy has been proven to be very effective in achieving pre-decided outcome either clinical remission (CR) or low disease activity(LDA).3Objectives:To assess the outcome of nurse led T2T strategy in Early RA patients within first 2 years of treatment.Methods:This was Observational Prospective Study, based on data collected in our ANP led Early Inflammatory Arthritis clinic. All patients diagnosed with inflammatory arthritis were managed following a T2T protocol. Every patient had predefined target set according to co-morbidities, preexisting osteoarthritis and duration of disease. Patients were followed up at varying intervals depending on clinical need until the steroid free target was achieved or for up to 2 years. Clinical Disease Activity Index (CDAI) tool was used to assess disease activity.Data collected included age, gender, diagnosis, Rheumatoid factor and/or Anti CCP positivity, erosions on x ray at the time of diagnosis and Health Assessment Questionnaire (HAQ-DI). For this analysis, only patients meeting the 2010 ACR/EULAR criteria4for the diagnosis of RA were included.The primary analysis in this study was the proportion of patients who achieved CR or LDA using different DMARDs used alone or in combination and the clinical determinants of this outcome.Results:Out of 417 patients with Early Inflammatory Arthritis, 300 met criteria for RA. 27 were lost to follow up (3 deaths) and 44 remained on the T2T pathway. For the 229 patients completing the pathway, mean age was 43.25 years (SD 9.405), Female gender 146 (63.75%), Anti CCP positive in 160 (69.86%), Rheumatoid Factor (RF) positive in 154 (67.24%), Both RF and Anti CCP positive 141 (61.57%), CDAI at baseline was 22.65 (SD 22.19) and Mean HAQ-DI at presentation 1.19 (SD 0.629). There were 18.34% (42) of patients who had erosive changes on x-ray at presentation.). Outcome of T2T strategy showed that 151 (65.93%) achieved clinical remission and 78(34.06%) achieved low disease activityConclusion:Remission in patients who were less than 40 years of age was 100% as opposed to 49% above the age of 40 years. This difference was found to be statistically significant with a p value of <0.05 (Table 1).Table 1.Treat to target outcomes with analysed variables.Group CharactersRemissionn (%)Low disease activity n (%)TotalP valueFemale92 (63.01)54 (36.99)1460.215Male59 (71.08)24 (28.92)83RF +103 (66.88)51 (33.12)1540.666RF -48 (64)27 (36)75CCP +105 (65.63)55 (34.37)1600.760CCP -44 (67.79)21 (32.31)65< 40 years76 (100)0 (0)760.000>40 years75 (49.02)78 (50.98)153Further to this, Methotrexate monotherapy was the dominant DMARD used to achieve remission and/or low disease activity in more than 50 % of the RA patients (Figure 1).
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