The Lancet regional health. Europe · 2021
Prevalence of persistent symptoms after treatment for lyme borreliosis: A prospective observational cohort study.
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Ursinus Jeanine, Vrijmoeth Hedwig D, Harms Margriet G, Tulen Anna D, Knoop Hans, Gauw Stefanie A, Zomer Tizza P, Wong Albert, Friesema Ingrid H M, Vermeeren Yolande M, Joosten Leo A B, Hovius Joppe W, Kullberg Bart Jan, van den Wijngaard Cees C
Аннотация
BACKGROUND: Concerns about long-lasting symptoms attributed to Lyme borreliosis (LB) are widespread in the Western world, while such symptoms are highly prevalent in the general population.
METHODS: In the largest prospective study to date, adults with physician-confirmed LB were included at the start of antibiotic treatment. Primary outcomes, prevalence of persistent symptoms and symptom severity, were assessed using three-monthly standardised questionnaires during one year. Persistent symptoms were defined as impaired scores for fatigue (CIS, subscale fatigue), cognitive impairment (CFQ) or pain (SF-36, subscale bodily pain) ≥6 months, with onset <6 months. Outcomes were compared with a longitudinal general population and a tick-bite cohort without LB as a reference.
FINDINGS: Of 1135 LB patients (94•8% erythema migrans, 5•2% disseminated LB), 1084 fulfilled primary analysis criteria, as well as 1942 population and 1887 tick-bite controls. Overall prevalence of persistent symptoms in LB patients was 27•2% (95%CI, 24•7%-29•7%); 6•0% and 3•9% higher than in population (21•2%, 95%CI, 19•3%-23•1%; p < 0•0001) and tick-bite (23•3%, 95%CI 21•3%-25•3%; p = 0•016) cohorts, respectively. At 12 months, fatigue, cognitive impairment, and pain were significantly more severe in erythema migrans patients than in reference cohorts, while in disseminated LB patients, only pain was more severe.
INTERPRETATION: In treated LB patients, persistent symptoms were significantly more prevalent and symptoms were more severe than in individuals without LB, although the background prevalence was substantial. This suggests an association, either direct or indirect, between persistent symptoms and LB in a relatively small subset of patients.
FUNDING: ZonMw; Dutch Ministry of Health, Welfare and Sport.
METHODS: In the largest prospective study to date, adults with physician-confirmed LB were included at the start of antibiotic treatment. Primary outcomes, prevalence of persistent symptoms and symptom severity, were assessed using three-monthly standardised questionnaires during one year. Persistent symptoms were defined as impaired scores for fatigue (CIS, subscale fatigue), cognitive impairment (CFQ) or pain (SF-36, subscale bodily pain) ≥6 months, with onset <6 months. Outcomes were compared with a longitudinal general population and a tick-bite cohort without LB as a reference.
FINDINGS: Of 1135 LB patients (94•8% erythema migrans, 5•2% disseminated LB), 1084 fulfilled primary analysis criteria, as well as 1942 population and 1887 tick-bite controls. Overall prevalence of persistent symptoms in LB patients was 27•2% (95%CI, 24•7%-29•7%); 6•0% and 3•9% higher than in population (21•2%, 95%CI, 19•3%-23•1%; p < 0•0001) and tick-bite (23•3%, 95%CI 21•3%-25•3%; p = 0•016) cohorts, respectively. At 12 months, fatigue, cognitive impairment, and pain were significantly more severe in erythema migrans patients than in reference cohorts, while in disseminated LB patients, only pain was more severe.
INTERPRETATION: In treated LB patients, persistent symptoms were significantly more prevalent and symptoms were more severe than in individuals without LB, although the background prevalence was substantial. This suggests an association, either direct or indirect, between persistent symptoms and LB in a relatively small subset of patients.
FUNDING: ZonMw; Dutch Ministry of Health, Welfare and Sport.