Following an increase in average waiting times associated with a child health service in East London, an initiative to rapidly reduce the numbers of children waiting long periods following a referral was undertaken over the period May to June 1999. A multidisciplinary cooperative approach was adopted operating within the existing available resources and involved medical, nursing, managerial and administrative staff. The initiative involved a review of the accuracy of the waiting list, followed by an invitation to remaining patients to provide an option of continuing to wait to be seen or offering attendance at a rapid response clinic associated with reduced waiting and consultation times. Half-hourly appointments were routinely offered instead of hourly appointments and proformas were adopted for history taking and onward referrals to save time spent on administration. A total of 162 patients were seen over the course of a month and a satisfaction questionnaire completed by relatives indicated a preference for the new service. The mean waiting time was reduced to under a quarter of the time at the start of the initiative to a mean of less than two months. The purpose of the study was to see if the waiting list could be reduced by using existing staff. We wanted to ascertain the parents' views whether shorter waits and shorter consultation periods were acceptable, and to ascertain if the waiting list could be kept down or whether the waiting list would rapidly recur after the rapid response clinics stopped. The findings are discussed in relation to initiatives elsewhere and the need to maintain a high quality service.

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Experiments were aimed to establish whether therapeutic doses of ultrasound are liable to cause demonstrable chromosomal damage in marrow cells of the mouse. On evaluation of the chromosome aberrations no significant increase was found after treatment with three different doses of ultrasound. In contrast, our "positive control group" irradiated with 50 R of X rays showed clearly demonstrable chromosomal damage. In another group of animals treated with ultrasound plus X rays, the ultrasonic pretreatment did not increase the damaging effect of X rays significantly.

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