[Effect of methylguanidine, guanidinoacetic acid and ornithine on penetration of thiamine hydrochloride through human erythrocyte membrane].
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Erythrocyte Membrane↗
Biomedical subjects
K Zygmunt
Publications and source records attributed to K Zygmunt.
Z-bunionectomy: retrospective long-term study.
Long-term patient satisfaction and objective clinical and radiographic examinations of patients who had undergone the Z-bunionectomy at the University of Chicago Medical Center were evaluated. Fifty-six surgeries were performed on 31 patients, with a follow-up range of 5 to 9 years. The University of Maryland 100-Point Painful Foot Center Scoring System was modified to be more specific to bunion surgery, and we used this modification to measure patient satisfaction. Patient satisfaction was rated good to excellent by 90% of the patients. Radiographic findings included: intermetatarsal angle-mean, 7.1 degrees; hallux abductus angle-mean, 8.96 degrees; tibial sesamoid position-mean, 2.8. The mean protrusion was -1.64 mm. Radiographic findings consistent with osteonecrosis were noted of one patient, one foot, although the patient was clinically asymptomatic. The objective findings were as follows: dorsiflexion, mean, 60 degrees; plantarflexion, mean, 14 degrees. No patients had pain or crepitus, nor were they tract-bound in their first metatarsophalangeal joint range of motion. In addition, stance dorsiflexion had a mean of 21 degrees, and the purchase power was 88% good to excellent on plantar paper pull-out testing. First ray motion qualitatively demonstrated 1 1/2 to 2 times dorsiflexion to plantarflexion. There were no subsecond metatarsal head keratoses. Generalized ligamentous laxity was not seen. For the resting calcaneal stance position the mean was 3.5 degrees everted, with 24% of the patients maximally pronated in this position. We were unable to correlate any structural and functional postoperative features with patient satisfaction.
Female↗
Nonunion of a Hawkin's group II talar neck fracture without avascular necrosis.
The authors present an unusual case of talar neck nonunion without avascular necrosis following a Hawkin's group II fracture. A review of the literature and treatment of this rare complication are discussed. The nonunion was treated by debridement and iliac crest bone grafting to the defect and external electrical bone stimulation. The deformity of the rearfoot caused by the fracture nonunion was addressed by using a triple arthrodesis utilizing the Synthes 7.3-mm cannulated screw system.
Combined Modality Therapy↗