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Biomedical subjects

J D Demottaz

Publications and source records attributed to J D Demottaz.

6 recordsLinked to original sources
PubMed1979

Clinical study of total ankle replacement with gait analysis. A preliminary report.

Twenty-one ankle replacements in nineteen patients after an average follow-up of 14.7 months were analyzed with respect to their history, physical and roentgenographic findings, and gait analysis. The relief of pain and functional improvement after operation were disappointing compared with the results of prosthetic replacement in other joints and were not related to early complications, age, diagnosis, or the prosthesis used. Muscle weakness about the ankle, especially of the plantar flexors, was a prominent finding and appeared to cause abnormal patterns of gait and of ankle motion. The frequency of progressively increasing radiolucent lines was 88 per cent and of late loosening, 10 per cent. These results suggest a need for more emphasis on postoperative rehabilitation and on the uncertainty of this procedure at its present stage of development.

Activities of Daily Living↗
PubMed1978

[Paralysis of the trapezius muscle].

Four cases of paralysis of the trapezius muscle occurring during the last 15 years are reported. The characteristics of this lesion, which is usually of iatrogenic origin, are outlined. Among the alternatives in treatment, Eden's operation is the method of choice. Major handicaps are usually corrected from both an esthetic and functional point of view.

Adult↗
PubMedDate not supplied

A simple suture shuttle in rotator cuff repairs: a technical note.

In rotator cuff repairs, it is often necessary to pass 2 tails of 2 sutures through 1 transosseous hole to maximize the number of sutures per hole. We report on a simple technique with a double-loop suture thread that allows the passing of more than 1 suture limb through the same hole. This simple device, the simple suture shuttle, used in cuff repairs in combination with the modified Mason-Allen suture technique, significantly reduces the difficulty of passing more than 1 suture tail through a single bone tunnel. By reducing the number of bone tunnels, the weakening of a bone that might not be very strong is kept to a minimum. The Simple Suture Shuttle can also be used to pass more sutures through a given number of transosseous holes.

Humans↗