title: Characteristics of psychotic inpatients with high or low HVA levels at admission.
abstract: OBJECTIVE
  The purpose of this study was to examine the clinical profiles of psychotic patients whose fasting levels of plasma free homovanillic acid (HVA) were elevated on the day after admission to the hospital.
  
  
  METHODS
  These 85 subjects with nonorganic psychoses had been previously studied with respect to their response to neuroleptic treatment. They were divided into two groups on the basis of a median split of their pretreatment plasma HVA levels, and the two groups were compared on a number of clinical and demographic variables ascertained during their hospital stay. Fasting levels of plasma free HVA and 3-methoxy-4-hydroxyphenylglycol (MHPG) were measured by gas chromatography-mass spectrometry.
  
  
  RESULTS
  The high-HVA group tended to show a better prognostic profile than the low-HVA group; however, the only significant difference between groups was in the greater use of psychotogenic drugs by low-HVA males. Fourteen additional psychotic patients with distinctly elevated HVA levels and normal MHPG values were also diagnostically heterogeneous.
  
  
  CONCLUSIONS
  The results suggest that psychotic patients with different diagnoses who have relatively high levels of plasma free HVA before treatment will show a favorable early response to neuroleptic drugs. There may be neurobiological processes linking some patients across the clinical spectrum of the psychotic disorders.
authors.affiliation: Department of Psychiatry, Yale University School of Medicine, New Haven, CT 06519.
authors.forename: M B
authors.initials: MB
authors.lastname: Bowers
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D014150:Antipsychotic Agents / Q000627:therapeutic use; D005260:Female; D008401:Gas Chromatography-Mass Spectrometry; D006719:Homovanillic Acid / Q000134:cerebrospinal fluid*; D006760:Hospitalization; D006801:Humans; D008297:Male; D008734:Methoxyhydroxyphenylglycol / Q000134:cerebrospinal fluid; D008875:Middle Aged; D011379:Prognosis; D011569:Psychiatric Status Rating Scales; D011618:Psychotic Disorders / Q000134:cerebrospinal fluid / Q000175:diagnosis* / Q000188:drug therapy; D012559:Schizophrenia / Q000134:cerebrospinal fluid / Q000175:diagnosis / Q000188:drug therapy; D012737:Sex Factors
chemical_list: D014150:Antipsychotic Agents; D008734:Methoxyhydroxyphenylglycol; D006719:Homovanillic Acid