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Biomedical subjects

R A Camp

Publications and source records attributed to R A Camp.

4 recordsLinked to original sources
PubMed1986

Percutaneous pinning of symptomatic scaphoid nonunions.

A prospective study was conducted to determine whether multiple percutaneous pinning of symptomatic scaphoid nonunions could result in union. All patients had symptomatic nonunions, confirmed by x-ray film, and of sufficient severity to interfere with activities of daily living or military duties. Eighteen patients had pinning with two to four 0.045-inch C-wires guided by image intensification. All nonunions were immobilized in below the elbow thumb spica casts until healed. Thirteen patients, treated by our protocol, had adequate follow-up of an average of 10.3 months. Bony union occurred in 10 (77%) cases, asymptomatic fibrous union occurred in two, and one failed to unite. Complications were few.

Adolescent↗
PubMed1980

Chronic posttraumatic radial instability of the thumb metacarpophalangeal joint.

Radial collateral ligament injuries accounted for 35% of 26 patients undergoing surgery for lateral instability of the thumb metacarpophalangeal joint in a 3-year period. Nine patients with chronic radial instability presented with significant disability but with a symptom complex distinct from the weak pinch and grasp of chronic ulnar instability. Functional and clinical stability was obtained in these patients with a surgical procedure that consisted of repair of the callateral ligament at the site of injury, distal advancement of the abductor pollicis brevis tendon, and repair of the abductor aponeurosis.

Adolescent↗
PubMedDate not supplied

Tourniquet hemostasis. A clinical study.

A clinical study was undertaken to evaluate the pneumatic tourniquet setting required for adequate hemostasis in extremity surgery. After induction of anesthesia, the pneumatic tourniquet pressure at which the peripheral pulse disappeared was determined using a Doppler stethoscope. For upper-extremity procedures 50 mm Hg was added to this setting to allow for collateral circulation and blood pressure changes. An average pressure of 189.9 +/- 24.1 mm Hg was used for the upper-extremity group (44 patients), and an average of 231.0 +/- 26.5 mm Hg was used for the lower-extremity group (40 patients). Maximum pressures utilized were 255 mm Hg in the upper extremity and 305 mm Hg in the lower extremity. This simple, noninvasive technique uses tourniquet pressure settings well below those recommended in standard reference texts without sacrificing the adequacy of hemostasis to obtain a "bloodless field."

Adolescent↗