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87
being useful in sensitive and in febrile cases. The
tuberculins are used in dilutions made according to the
Philip's scale, but no attempt is made to label each dose
as containing a given quantity of dried bacillary substance.
The "tuberculin content" must be empirical, especially
in the case of an emulsion. No patient is put through
a "course" of injections as a routine, but small and
gradually increasing doses are used till the most suitable
or optimum is found for the particular patient. Suitable
cases improve up to a certain point, but, when the
dose is increased over this, weight decreases and the
condition of the patient becomes worse or remains
stationary.
As to the results from tuberculin treatment, the
figures are too small upon which to base any definite
conclusions, whilst the period has been to short to
justify the detailing of individual cases. Favourable
results have been obtained in some chronic advanced
cases, so much so that it is difficult from
practical experience to keep in accord with the accepted
theories of the "mechanism" of tuberculin therapy.
Vaccine treatment in some cases of mixed infection
has been commenced and appears to be giving good
results.
Examining more in detail the figures given in Table
VI., it will be noted that the results of treatment for the
whole of the cases (633 treated for one month or over) are
satisfactory, 494 remaining, ot becoming after treatment,
fit for work (i.e., 78.04 per cent.).
With regard to Institutional Treatment, the figures
have reference to such treatment at a Sanatorium, and the
results are certainly favourable—a total of 101 patients,
of whom 87 remained, or become after treatment, on
residence, at a Sanatorium, fit for work (i.e., 86.1 per
cent.).