Ralph E. Cooper

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Total knee arthroplasty (TKA), one of the most efficacious procedures in orthopedics, requires complete exposure of the knee joint for precise instrumentation. Although most orthopedic surgeons agree that TKA is easily performed using a medial parapatellar approach, a large segment of the patellar blood flow is disrupted by this exposure. The southern or(More)
A case of fatal infection with Shigella flexneri is reported. The 19-year-old male patient who presented with fulminating haemorrhagic colitis died nine days after the onset of symptoms. The infecting strain of Shigella flexneri was resistant to multiple antimicrobial agents, including amoxycillin, co-trimoxazole and chloramphenicol.
The successful treatment of osteomyelitis with commercially prepared gentamicin-polymethylmethacrylate (PMMA) (Septopal) beads and surgical debridement has led to the use of this technique in the United States. However, commercially prepared gentamicin-PMMA beads are not currently available to orthopedic surgeons in the United States. Therefore, these(More)
mation on the vascularity of cerebral lesions and on the occlusion of major blood vessels (7). However, a large proportion of patients with clinical occlusive cerebrovascular disease have normal analog dynamic studies (2-4) suggesting that the technique is a relatively insensitive one. Limited success has been reported (5) for digital cerebral circulation(More)
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