Background: Expert consensus panels have recommended risperidone as first-line treatment for agitation of psychiatric origin. However, there are few if any studies on this medication in the emergency setting.
Objectives: To assess the hemodynamic effects of risperidone in an emergency department (ED) setting, stratified by age.
Methods: This is a structured chart review of all patients who received oral risperidone over a 6-year period in an ED setting, excluding patients who received this medication as a prescription refill. Vital signs were analyzed for this subset prior to and after medication administration, and changes in vital signs were stratified by age.
Results: The median dose of risperidone was less in patients aged > 65 years. However, the median drop in systolic blood pressure was larger in this age group compared with younger patients.
Conclusions: Clinicians tend to be more cautious with dosing of risperidone to geriatric patients in the ED. Despite this, decreases in systolic blood pressure are larger and more frequent in this age group. When possible, clinicians should consider or attempt nonpharmacologic methods of agitation treatment prior to administering medications such as risperidone to elderly patients.
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http://dx.doi.org/10.1016/j.jemermed.2017.06.026 | DOI Listing |
Background: This scoping review focuses on the occurrence of tachyphylaxis, defined as reduced responsiveness upon reinitiating a previously effective medication. This phenomenon is previously documented in antidepressants and mood stabilizers.
Aim: To explore the frequency, treatment strategies, and predictability of tachyphylaxis across all psychotropic medications.
Prog Neuropsychopharmacol Biol Psychiatry
December 2024
Laboratory for Molecular Neuropsychiatry, Division of Molecular Medicine, Rudjer Boskovic Institute, Zagreb, Croatia; University of Applied Sciences Hrvatsko Zagorje Krapina, Krapina, Croatia. Electronic address:
Brain-derived neurotrophic factor (BDNF) is implicated in the etiology of schizophrenia, and peripheral BDNF levels are affected by the short-term antipsychotic treatment. However, the data on their long-term effects on BDNF levels are scarce, and there is no information whether BDNF levels change during sustained remission in relation to values in healthy individuals. The aim of the present study was to compare serum BDNF levels in patients in long-term remission and healthy controls.
View Article and Find Full Text PDFPLoS One
November 2024
Guang'anmen Hospital, China Academy of Chinese Medicine Sciences, Beijing, China.
The 5-hydroxytryptamine (5-HT) and dopamine (DA) receptors have emerged as significant targets for therapeutic intervention in psychiatric disorders. Currently, the efficacy of psychiatric drugs is limited by challenges in achieving desired outcomes, the occurrence of adverse effects, dependence, and withdrawal reactions. Consequently, there is a pressing need for the development of safe and effective therapeutic agents for psychiatric disorders.
View Article and Find Full Text PDFNeurochem Res
November 2024
Programa de Pós-Graduação Em Ciências Biológicas: Bioquímica, Instituto de Ciências, Básicas da Saúde, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, RS, Brazil.
Antipsychotics are drugs commonly prescribed to treat a variety of psychiatric conditions. They are classified as typical and atypical, depending on their affinity for dopaminergic and serotonergic receptors. Although neurons have been assumed to be the major mediators of the antipsychotic pharmacological effects, glia, particularly astrocytes, have emerged as important cellular targets for these drugs.
View Article and Find Full Text PDFEur J Pediatr
November 2024
Child and Adolescent Psychiatry Unit, Neuroscience and Human Genetics Department, Meyer Children's Hospital IRCCS 50139, Florence, Italy.
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