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Biomedical subjects

D J Galbraith

Publications and source records attributed to D J Galbraith.

3 recordsLinked to original sources

Complex orbital fractures: a critical analysis of immediate bone graft reconstruction.

The present study reviews the long-term results of immediate reconstruction and primary grafting in 49 complex orbital fractures. The clinical features of these injuries are defined, and methods of investigation and surgical correction are outlined. The residual postoperative abnormalities, including enophthalmos, strabismus, and telecanthus, are critically analyzed. Recent modifications in fracture fixation, in orbital cavity reconstruction, and in the use of various types of autogenous grafts are discussed in detail.

Bone Transplantation↗

Miniprobe for lacrimal sac temperature measurement.

The hypodermic probe is presented as a portable and easily used instrument for assessing the temperature within the lacrimal drainage system. Its size makes it practical for clinic or office use. It is also acceptable to the patient and may be performed immediately prior to lacrimal syringings. We suggest that lacrimal sac temperatures may be readily measured and are helpful in assessing the degree of inflammation or the presence of mucus in the lacrimal sac.

Adult↗

Method for recording a pattern electroretinogram of the macula.

This paper describes the construction and use of a gold foil electrode for pattern electroretinography. The electrode, a multilaminated structure of Mylar (polyethylene terephthalate) cassette splicing tabs, gold foil and a single 38-gauge strand of wire, is comfortable for 20 minutes with one drop of anesthetic and can be used at least 20 times. With a checkerboard square-wave television pattern stimulator of 80% contrast and an average luminance of 65 cd/m2 set at 15 reversals per second, a diagonal field of 12 degrees and a check of 44 minutes of arc, responses of 10 to 20 microV (control values 4 to 5 microV) were obtained in 80% of normal subjects. This method should prove to be useful in the diagnosis of early mascular disease.

Electroretinography↗