PubMed · 3230531
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R A Schachar. 1988. Concerning haloperidol preoperatively.. https://doi.org/10.1016/s0886-3350(88)80047-6
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The solubility behaviour of haloperidol in individual solvents ranging from non-polar to highly polar solvents was studied. Extended Hansen's method was used to analyze the solubility data and obtain partial solubility parameters of haloperidol. Flory-Huggin's size connection term 'B' was found to further improve the prediction of solubility. A four parameter extended Hansen's approach involving proton-donor and proton-acceptor parameters was also used in fitting the solubility data to a theoretical model. The term Wh, used as an empirical measure of solute-solvent interaction due to hydrogen bonding was used in calculating B. Different approaches were thus used in fitting the experimental solubility data to obtain regression equations which aim to provide a reasonable prediction of solubility of haloperidol in untested solvents. Solubility parameter was calculated from the partial solubility parameter values obtained from the different methods of data analysis, and compared with the theoretically obtained values. Solubility parameter of haloperidol is fixed at 10.58 H.
The etiology of stuttering is controversial. The prevailing theories point to measurable neurophysical dysfunctions that disrupt the precise timing required to produce speech. Stuttering is a common disorder that usually resolves by adulthood. Almost 80 percent of children who stutter recover fluency by the age of 16 years. Mild stuttering is self-limited, but more severe stuttering requires speech therapy which is the mainstay of treatment. Delayed auditory feedback and computer-assisted training are currently used to help slow down speech and control other speech mechanisms. Pharmacologic therapy is seldom used, although haloperidol has been somewhat effective.
The paper of Seignot in 1961 is the first clinical description of the use of haloperidol to treat the symptoms of Gilles de la Tourette syndrome (GTS). It is widely quoted in literature about GTS. However, it is not widely known that the single case involved had been subject to a frontal lobectomy prior to treatment with haloperidol. We present a translation of that paper and a discussion of its significance.