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Biomedical subjects

R J Cummings

Publications and source records attributed to R J Cummings.

24 records · Page 2Linked to original sources
PubMedDate not supplied

Avascular necrosis of the talus after McKay clubfoot release for idiopathic congenital clubfoot.

Avascular necrosis of the talus is a serious potential complication of clubfoot surgery. In the few cases described in the literature, the necrosis has involved the entire talus and resulted in progressive fragmentation and collapse. Serial postoperative radiographs of 96 idiopathic clubfeet in 70 patients are reviewed here to determine the incidence of avascular necrosis after McKay soft tissue release. Based on criteria in the literature for making the diagnosis, no cases of avascular necrosis were seen. Growth lines were observed in the cuboids and calcanei of all the feet during the follow-up period. Eight feet failed to develop growth lines in the talus during follow-up. Five of these feet showed flattening of the dome of the talus and three hypoplasia of the talar head and neck at the most recent follow-up. Absence of normal growth lines in the talus after operation seems to predict talar abnormalities.

Adolescent↗
PubMedDate not supplied

Low-dose lidocaine intravenous regional anesthesia for forearm fractures in children.

Intravenous (i.v.) regional anesthesia with low-dose lidocaine (1 mg/kg) lidocaine 1% diluted to 0.125% vol) provided safe and effective anesthesia for closed reductions of pediatric forearm fractures in outpatients. This procedure was prospectively evaluated in 44 children at The Nemours Children's Clinic, Jacksonville, Florida. Forty-three of 44 patients achieved adequate anesthesia (minimal or no pain on closed reduction). No significant complications were noted. Both patients and physicians were satisfied with the procedure. Patient pain was objectively assessed with visual pain charts in the preanesthesic, immediate postanesthetic, and postreduction time periods. The technique was both safe and effective in providing pain relief for reduction of forearm fractures in children.

Adolescent↗
PubMedDate not supplied

Hip aspiration: verification of needle position by air arthrography.

A new method is described for verification of needle placement during hip aspiration or hip arthrography using suction air arthrography. The method is safe, rapid, reliable, and reproducible, and it eliminates problems with obscuring pathology by incorrect injection of dye or air, reactions to dye, or air embolism.

Arthrography↗
PubMedDate not supplied

Intraoperative sonography-guided removal of radiolucent foreign bodies.

This article reports our use of intraoperative sonography to guide in real time, the removal of radiolucent foreign bodies from five patients. Two of these patients had undergone previous unsuccessful attempts at surgical removal in the operating room. The technique is cost effective, readily available, and can be very helpful in locating difficult-to-find radiolucent foreign bodies at the time of surgery.

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