613. Lessons learned from a Rhode Island academic out-patient Lyme and tick-borne disease clinic

Although the prevalence of Lyme and tick-borne diseases (TBDs) continues to rise, there is conflicting information regarding the best approach to management. The Lifespan Lyme Disease Clinic (LDC) is an academic out- patient clinic for Lyme and other TBDs. A chart review of 218 new patients between March and November 2018 was conducted. Symptoms most commonly reported included fatigue (66.5%), joint pain (58.2%), cognitive difficulty (32.1%), and headaches (27.9%). Most (87.1%) patients had received TBD-directed antibiotic treatment prior to their first appointment. Of the 136 patients who had experienced more than 6 months of symptoms attributed to Lyme, 55.1% had positive two-tiered serologies. Many patients characterized themselves as having "chronic Lyme" or had a diagnosis of "post-treatment Lyme disease syndrome," a condition for which there is no clear consensus on pathophysiology or treatment. Outlined here are some lessons learned and practical approaches used by LDC physicians in caring for this patient population.