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BMJ 2003; 327 doi: (Published 04 September 2003) Cite this as: BMJ 2003;327:570

Robot assisted technology offers definite advantages for some kinds of surgery. But a prospective study of primary total hip replacements found that although robot-assisted operations conferred advantages in pre-operative planning and accuracy during the procedure itself, there was a significant down side. There was a high revision rate with robots, and a lot more muscle damage, which the authors think was responsible for the higher dislocation rate. The operations also took longer (Journal of Bone and Joint Surgery 2003 ;85A: 1470-8).

The first child of non-consanguinous parents was delivered by caesarean section at 36 weeks for an abnormal fetal heart rate. The initial examination of the baby was normal apart from his being small for dates. He was a quiet baby in the special care baby unit, and breastfeeding was established by day 15. That morning the neonatologist heard the baby's cry for the first time and suspected cri du chat syndrome. Karyotyping showed 46,XY, del(5)(p15.1p15.3), consistent with the syndrome. The parents, whose karyotypes were normal, thought that the baby “cried like a kitten” (to listen to the audiotape, go to The cat-like cry is due to abnormal laryngeal development associated with loss of part of the short arm of chromosome 5. Cri du chat syndrome is one of the commonest deletion …

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