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Holistic Approach in Patients With Presumed Lyme Borreliosis Leads to Less Than 10% of Confirmation and More Than 80% of Antibiotic Failures.
Clinical Infectious Diseases 2019 May 31
BACKGROUND: There is no precise idea whether patients with chronic symptoms attributed to Lyme borreliosis (LB) have LB or another disease.
METHODS: We evaluated patients consulting for a presumed LB with a holistic approach including presumptive treatment. We included symptomatic patients consulting for presumed LB. They were classified as confirmed LB when they met four criteria, and possible LB if three with a positive clinical response to presumptive treatment.
RESULTS: Amongst the 301 patients, 275 (91%) were exposed to tick bites, and 165 (54%) were bitten by a tick. At presentation, 151 patients (50.1%) had already been treated with a median of one (1-22) course of antimicrobials, during 34 (28-730) days. Median number of symptoms was three (1-12) with a median duration of 16 (1-68) months. Median number of signs was zero (0-2). ELISA was positive in 84/295 (28.4%) for IgM and 86/295 (29.1%) for IgG, and immunoblot was positive in 21/191 (10.9%) for IgM and 50/191 (26.1 %) for IgG. Presumptive treatment after presentation failed in 46/88 patients (52%). Diagnosis of LB was confirmed in 29 patients (9.6%), and possible in 9 (2.9%). Of the 243 patients with non-LB diagnosis, diseases were psychological, musculoskeletal, neurological or other origin in 76 (31.2%), 48 (19.7%), 37 (15.2%) and 82 (33.7%) patients respectively. Patients with other diseases were significantly younger, having more symptoms, longest duration of symptoms, less clinical signs and less frequent LB positive serologies.
CONCLUSIONS: Overdiagnosis and overtreatment of LB is worsening. Health authorities should investigate this phenomenon.
METHODS: We evaluated patients consulting for a presumed LB with a holistic approach including presumptive treatment. We included symptomatic patients consulting for presumed LB. They were classified as confirmed LB when they met four criteria, and possible LB if three with a positive clinical response to presumptive treatment.
RESULTS: Amongst the 301 patients, 275 (91%) were exposed to tick bites, and 165 (54%) were bitten by a tick. At presentation, 151 patients (50.1%) had already been treated with a median of one (1-22) course of antimicrobials, during 34 (28-730) days. Median number of symptoms was three (1-12) with a median duration of 16 (1-68) months. Median number of signs was zero (0-2). ELISA was positive in 84/295 (28.4%) for IgM and 86/295 (29.1%) for IgG, and immunoblot was positive in 21/191 (10.9%) for IgM and 50/191 (26.1 %) for IgG. Presumptive treatment after presentation failed in 46/88 patients (52%). Diagnosis of LB was confirmed in 29 patients (9.6%), and possible in 9 (2.9%). Of the 243 patients with non-LB diagnosis, diseases were psychological, musculoskeletal, neurological or other origin in 76 (31.2%), 48 (19.7%), 37 (15.2%) and 82 (33.7%) patients respectively. Patients with other diseases were significantly younger, having more symptoms, longest duration of symptoms, less clinical signs and less frequent LB positive serologies.
CONCLUSIONS: Overdiagnosis and overtreatment of LB is worsening. Health authorities should investigate this phenomenon.
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