Biomedical subjects
Publications and source records attributed to A Jay.
A case of prenatally diagnosed partial trisomy 8 is described. The 'syndrome' is associated with skeletal and cardiac anomalies, as well as hepatic calcification. Differing proportions of 47,XY, +der(8) and 46 XY were present in the different fetal tissues sampled. The highest proportion of 47,XY,+der(8) cells was found in the placenta.
AIMS: To evaluate the Sentinel automated blood culture system and to compare its performance with that of Bactec. METHODS: The Sentinel blood culture system was evaluated in three centres. The performance of the system was assessed in comparison with the routine blood culture method used in these centres, the Bactec system. RESULTS: Blood culture sets (n = 2180) consisting of Sentinel aerobic and anaerobic, and Bactec aerobic and anaerobic bottles yielded 218 (10%) clinically important isolates. One hundred and fifty five (71%) of the isolates were detected by both systems; 35 (16%) were detected by Sentinel only; and 28 (13%) by Bactec only. For the duration of the evaluation, the Sentinel system was deliberately configured so that it was impossible to detect positive results during the first 12 hours. The times to positivity after the first 12 hours were similar. Data gathered during and subsequent to the evaluation have been used by the manufacturer to refine the algorithm so that positive results can be detected at a minimum of 2.25 hours. CONCLUSIONS: After a period of familiarization the Sentinel system was considered easy to use. Sentinel is a useful addition to the methods available for the detection of bacteria in blood cultures.
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Among 225 skateboard accidents treated at the Children's Hospital, Sheffield, in 8 months from August 1977, there were 92 fractures (40.9 per cent), of which 19 required manipulation under general anesthetic. Most involved the upper limb. Next most frequent were lacerations, bruises, abrasions, and injuries of joints and soft tissues. Four children had concussions (one with a fractured skull), 8 others had minor head injury, and 23 had soft tissue injuries of the head and neck. As for the reasons for the accidents, 20 per cent were due to hitting a stone, 10 per cent to a hole or bump in the pavement, 8 per cent to collisions, and three accidents to faults in the skateboards. Sixteen of the children were injured on the first day of their skateboarding. The role of protective clothing was uncertain. The city has no skateboard parks. Injuries due to skateboards were compared to injuries due to playground equipment.
Two-hundred children with injuries caused by playground equipment were studied. Whereas only about 9% of the total casualty attendances are for fractures, 26-5% (53) of these children had fractures. The climbing frame and the slide seemed to be associated with more severe injuries than the swing or other equipment, but more cases need to be studied to confirm this. The youngest children were at particular risk on equipment such as the wooden rocking horse or roundabout, when the speed of operation could be controlled by older children. Many of the injuries to the very youngest children occurred when they were walking behind a moving swing. Faulty equipment did not seem to be a major factor in causing accidents, but the use by older children of apparatus designed for young ones led to accidents. There was supervision, either at home, in a school playground, or in a park, in 62% of the cases. Many of the accidents were the result of the normal desire of children for experimentation and adventure.
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