An infradian rhythm of weight increment velocity in patients with Crohn's disease during nutritional therapy.

概要

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We examined the rhythm of weight velocity in eight patients with Crohn's disease. In this paper we used the spline smoothing technique to study the cycle in the weight increment velocity curves derived from individual data during nutritional therapy. As a result of the weight measurement at four-day intervals, an infradian rhythm with the average cycle of 9.6 ± 0.7 was recognized in all of the subjects in terms of the weight increment velocity. This rhythm was especially conspicuous in three adolescent patients with serious nutritional lesion. The cycle of the rhythm was unaffected by any of the following factors : energy intake, contents of nutritional therapy, medical examination during the period. Our findings of a common cycle in the process of convalescence from a low nutritious stage in patients with Crohn's disease suggest that, in others as well, the weight increment velocity might have an infradian rhythm with a kind of inherent periodicity.
財団法人日本消化器病学会の論文