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Long-term prognosis of patients treated for erythema migrans in France.



The long-term prognosis of patients treated for erythema migrans has only rarely been assessed.


To evaluate the clinical characteristics and long-term prognosis of patients treated for erythema migrans in the region of Alsace, France.


In a prospective study, 56 consecutive patients presenting with erythema migrans at the Strasbourg University Hospital between 1995 and 1999 were examined and a Borrelia burgdorferi enzyme immunoassay was performed. Patients were treated with tetracyclines or amoxycillin. Patients were re-examined 6 weeks later and a telephone interview was performed in summer 2000 to evaluate the long-term outcome.


There were 25 women and 31 men of mean age 49 years presenting with single (n = 54) or multiple (n = 2) erythema migrans lesions. At the time of diagnosis, 30% of the patients had systemic signs, myalgias or arthralgias and only 36% of 50 patients were seroreactive against B. burgdorferi. None of the 51 patients evaluated at 6 weeks and none of the 37 patients interviewed after a median delay of 3 years had developed complications attributable to
Lyme borreliosis.


The prognosis of patients treated for
Lyme borreliosis in this part of France is excellent. Therefore, a complete clinical examination is sufficient as an initial evaluation and long-term follow-up is not necessary.

Br J Dermatol. 2002 May;146(5):872-6. [1]