• H Bertrand and L K Rosenblood.
• University of Victoria, BC.
• CMAJ. 1991 Aug 15; 145 (4): 299-306.

ObjectiveTo determine whether manual stripping of pus from the breasts of women with lactational mastitis is effective in preventing the formation of breast abscesses.DesignCase series (chart review).SettingFamily practice in Montreal.PatientsAll (475) charts of patients with lactational mastitis were reviewed; 61 women were excluded because they already had a breast abscess. Most of the patients had been referred.Outcome MeasuresAbscess formation, length of illness after treatment, rate of recurrence of mastitis, illness in the mother or infant within the 6 weeks after the mastitis and continuance of breast-feeding.Main ResultsThe duration of symptoms before treatment was 1 to 56 (mean 5.3) days. In 9% of the cases both breasts were affected, and in 23% at least one episode of mastitis had previously occurred. The stripping technique was applied to all the patients. Pus was removed in 210 women; the remaining women were considered to have cellulitis. Only four patients (less than 1%) had breast abscesses. The mean length of illness after treatment was 7.2 days. The rate of recurrence was 14%. In all, 6% of the mothers and 9% of the infants became ill in the 6 weeks after the mastitis. Most (92%) of the patients continued to breast-feed.ConclusionsThe rate of abscess formation was considerably lower than the rates reported in the literature. Therefore, manual stripping of pus from the infected breasts of lactating women appears to be effective in preventing breast abscesses.

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