Length of Psychiatric Hospitalization is Correlated With CYP2D6 Functional Status in Inpatients with Major Depressive Disorder
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AIM: This study aimed to determine the effect of the CYP2D6 genotype on the length of hospitalization stay for patients treated for major depressive disorder. METHODS: A total of 149 inpatients with a diagnosis of major depressive disorder at the Institute of Living, Hartford Hospital (CT, USA), were genotyped to detect altered alleles in the CYP2D6 gene. Prospectively defined drug metabolism indices (metabolic reserve, metabolic alteration and allele alteration) were determined quantitatively and assessed for their relationship to length of hospitalization stay. RESULTS: Hospital stay was significantly longer in deficient CYP2D6 metabolizers (metabolic reserve <2) compared with functional or suprafunctional metabolizers (metabolic reserve ≥2; 7.8 vs 5.7 days, respectively; p = 0.002). CONCLUSION: CYP2D6 enzymatic functional status significantly affected length of hospital stay, perhaps due to reduced efficacy or increased side effects of the medications metabolized by the CYP2D6 isoenzyme. Functional scoring of CYP2D6 alleles may have a substantial impact on the quality of care, patient satisfaction and the economics of psychiatric treatment.
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Psychiatric morbidity is greater at discharge among psychiatric patients with a shorter length of stay than among those with a longer length of stay.
“others have indicated that psychiatric morbidity is greater at discharge among psychiatric patients with a shorter LOS than those with a longer LOS (Glick et al., 2011; Ruaño et al., 2013).”
From Time in treatment: Examining mental illness trajectories across inpatient psychiatric treatment (2020) · cites this paper as Ruaño et al., 2013
The opening background passage (indexed under Abstract > Conclusion; page not provided) says clinicians have expressed concern that morbidity at discharge may be greater after a brief stay. That supports the direction of the comparison, but the paper presents it as a concern, not an established finding, and does not report a discharge-morbidity comparison from its own study. (LLM, conf=0.86)
Experimental — accuracy not yet measuredA shorter length of stay predicts a greater risk of readmission.
“shorter LOS predicts greater risk of readmission (Lin et al., 2006; Ruaño et al., 2013).”
From Time in treatment: Examining mental illness trajectories across inpatient psychiatric treatment (2020) · cites this paper as Ruaño et al., 2013
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- Authors
- Ruaño, G., Szarek, B. L., Villagra, D., Gorowski, K., Kocherla, M., Seip, R. L., Goethe, J. W., & Schwartz, H. I.
- Affiliations
- Hartford Hospital (US)
- Genomas (United States) (US)
- Corresponding author
- Ruaño, Gualberto
- Venue
- Biomarkers in Medicine
- Publisher
- Informa UK Limited
- Published
- 2013-06
- Volume
- 7
- Issue
- 3
- Pages
- 429-439
- ISSN
- 1752-0363 (ISSN-L)
- 1752-0371
- PMC
- PMC4912222
- OpenAlex
- W1982533755
- Cited by
- 46
- References
- 44
- Citations by year
- 2025: 1 · 2024: 1 · 2023: 1 · 2022: 3 · 2021: 7 · 2020: 4 · 2019: 3 · 2018: 3 · 2017: 3 · 2016: 4 · 2015: 7 · 2014: 3 · 2013: 4 · 2012: 1
- FWCI
- 6.56
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- Biomarkers in Medicine (publishedVersion)
- PubMed (publishedVersion)
- PubMed Central (acceptedVersion)
- Funders
- National Institutes of Health (1r43mh073291-01)
- National Institute of Mental Health (R43 MH073291, R44MH073291)
- Topics
- Life Sciences › Pharmacology, Toxicology and Pharmaceutics › Pharmacology › Pharmacogenetics and Drug Metabolism
- Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
- Keywords
- CYP2D6, major depressive disorder, length of hospital stay, psychiatric inpatients, drug metabolism, CYP2D6 genotype, metabolic reserves, antidepressant efficacy, adverse drug reactions, pharmacogenetics
- MeSH terms
- Alleles, Major Depressive Disorder, Depressive Disorder, Major, Female, Genotype, Hospitals, Psychiatric, Humans, Inpatients, Length of Stay, Male, Prospective Studies, Cohort Studies, Cytochrome P-450 CYP2D6
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