Biomedical subjects

C Leber

Publications and source records attributed to C Leber.

4 recordsLinked to original sources

PubMed1989

Tears of the triangular fibrocartilage of the wrist: MR imaging.

Magnetic resonance (MR) imaging of the wrist was performed in 35 patients with specific complaints of pain and soft-tissue swelling in the medial side of the wrist. Twenty of the 35 subsequently underwent surgery. In 14 of the patients who underwent surgery, a diagnosis of triangular fibrocartilage (TFC) tear was made at MR imaging; in 13 of the 14 the tear was confirmed by surgical findings. In the six patients with an MR diagnosis of an intact TFC, surgical findings confirmed the diagnosis. These patients were operated on for an abnormality in the vicinity of the TFC (avascular necrosis, ganglion cyst, xanthoma). On the basis of findings from the 20 patients with surgical correlation, the accuracy of MR imaging in the detection of TFC tears was 95%. MR imaging is a valuable noninvasive method in the study of pathologic conditions of the TFC.

Adolescent↗

PubMed1988

Total elbow replacement.

The historic development of prosthetic total elbow arthroplasty is traced and results of constrained, semiconstrained, and nonconstrained designs reported. The authors' personal experience with the semiconstrained total elbow replacement, surgical indications with an emphasis on careful patient selection, and highlights of operative technique are discussed. Pain, instability, ankylosis, and arthritic degeneration of the elbow have inspired many surgical attempts to improve function and relieve pain. The most sophisticated surgical options now include total elbow replacement. This paper reviews the development of total elbow arthroplasty and assesses the experience with semiconstrained total elbow replacements performed at the New York University Medical Center over the last eight years.

Adult↗

PubMed1986

A comparison of shoe insole materials in plantar pressure relief.

A clinical study was performed to evaluate the effectiveness of seven shoe insole materials and their ability to relieve areas of high plantar pressure. The following materials were tested: Latex foam, Plastazote, Dynafoam, Ortho felt, PPTR, Spenco, and Molo. Twenty-six patients with areas of high plantar pressure were tested using each of these materials. The Harris and Beath footprinting technique was used to measure plantar pressure. It was found that the average pressure of a clinically painful plantar area was 398.15kN/m2. All insole materials tested decreased this pressure, with averages ranging from 186.33kN/m2 to 286.35kN/m2. PPT, Plastazote and Spenco were the most effective products tested.

Adult↗

PubMedDate not supplied

Accurate correction in rotational osteotomies.

A method for controlling the degree of rotational correction in rotational osteotomies of long bones is presented. The formula L = 0.017QR has been derived, where Q is the desired angle of correction in degrees, R is the radius of the bone as measured on standard roentgenograms, and L is the distance between marks on the two rotated segments of the surgical specimen. The method is easy, accurate, and reproducible and has been experimentally confirmed on both an acrylic pipe and cadaveric femurs. This technique is useful for controlling rotational correction in osteotomies of all long bones.

Femur↗