It may not be out of place to notice the method adopted by Sir W.
Fergusson for dividing the levator. A triangular-bladed knife set at
right angles to a long stem was introduced behind the velum, and the two
edges of the angular point made to cut their way between the pterygoid
plates down to the bone, so as to divide the muscle close to its origin.
From a theoretical point of view this appears all that can be desired;
but practically the results following this procedure were not always
satisfactory, inasmuch as the tension upon the stitches often appeared to
be but little relieved, and one could never tell with certainty whether
the muscles were effectually divided or not; in addition to which, unless
the surgeon were very skilled in the use of the instrument and the
anatomy of the region in which he was cutting, serious mischief might and
did sometimes ensue. A knife such as the one to be employed, cutting at
right angles to the handle, can never be used with absolute precision,
particularly when the part to be dealt with is out of sight. The ease and
certainty with which the structures can be divided by the former method
of prolonging the lateral incision backwards have rendered this plan of
Fergusson’s obsolete, although in his hands it was often very successful.
Should the hæmorrhage from these final incisions made in the soft palate
be excessive, steps should be taken to ascertain whether the trunk or
any large branch of the posterior palatine artery has been partially
divided, as if so the bleeding is liable to recur at intervals, and may
become serious. Under such circumstances, complete division of the vessel
has almost always the immediate effect of staying the hæmorrhage. Sponge
pressure and syringing with iced boracic lotion may be useful adjuncts
in arresting the general oozing; but long continuance of the latter is
detrimental to the vitality of the flaps and may endanger primary union.
For a similar reason, plugging the lateral apertures, or recourse to
powerful styptics, such as perchloride of iron, should if possible be
scrupulously avoided.
All lateral tension being now relieved, and no serious hæmorrhage
continuing, the sutured palate should present a solid, if somewhat
blanched appearance in the middle line; the gag can be removed and the
operation is complete.
Public-domain text, read in full here on John Shaqi.
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