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August 1986

Use of Peak Expiratory Flow Rates in Treating Patients-Reply

Author Affiliations

Meakins-Christie Laboratories McGill University 3775 University St Montreal, Quebec Canada H3A 2B4

Am J Dis Child. 1986;140(8):738. doi:10.1001/archpedi.1986.02140220020008

In Reply.—I thank Dr Tsanakas and Professor Karpouzas for their interest in the article by my colleagues and me.1 I was pleased to see that their experience with symptom scores and PEFR recordings is the same as ours. This observation that PEFR values recorded at home do not differ from those recorded under supervision is important and validates the use of PEFRs recorded at home.

I agree with Dr Tsanakas and Professor Karpouzas that symptom scores recorded on diary cards are of dubious value and should not be used as a basis for rational management decisions or for research purposes. The use of regular PEFR recordings gives one an objective

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