In 1937 I briefly described an original method of surgically bracing the low part of the back.1 The present article is written to summarize the advances in technic and the results in 53 cases in which this operation was performed in the past twelve years.
INDICATIONS FOR OPERATION
The type of back to which this operation is suited is one which shows structural instability of the lumbosacroiliac joints, singly or severally. There must not be any signs or symptoms of arthritis or tuberculosis, conditions for which the standard spinal fusion and more prolonged recumbency are indicated. Marked relaxation of the sacroiliac joints, as shown by inclinometric measurements, together with persistent sacroiliac symptoms, is a valid indication for the operation. Another indication is a persistently recurring subluxation of one or more lumbar articulations. The downward subluxations, with or without actual rupture of the intervertebral disks, are especially prone to repeated
PITKIN HC. INTERNAL BRACE FOR THE LOW PART OF THE BACK. Arch Surg. 1943;46(5):755–758. doi:10.1001/archsurg.1943.01220110171026
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