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Psychiatric Quarterly

, Volume 80, Issue 2, pp 125–130 | Cite as

Month of Birth, a Risk Factor for Violent Behaviour in Suicidal Patients Admitted in Emergency?

  • Lionel Cailhol
  • Raluca Moraru
  • Remy Barbe
  • Anne-Hélène Moncany
  • Sophie Garcin
  • Coralie Lazignac
  • Cristian Damsa
Original Paper

Abstract

Although there are numerous publications on the existing link between month of birth and suicide, only two studies focus on suicide attempts and auto-aggressive behavior. Research data suggest that month of birth is related to a variation of 5-HIAA in the cerebrospinal fluid, which correlates with violent behavior (VB). Therefore, the aim of this study is to search, for the first time, for a possible link between month of birth and the occurrence of VB in emergency, for patients admitted for a suicide attempt with medication. This is a 10 months prospective study among all the patients of the canton of Geneva, Switzerland, admitted in emergency for a suicide attempt with medication. During a 10 months study period we included 493 patients, of which 77 (15.62%) presented VB. Higher incidence of VB was found in subjects where born at the end of winter and the beginning of spring, with a maximum for April and a minimum for December. In spite of a relatively small number of subjects, it seems promising to study the occurrence of VB as a function of month of birth in patients admitted in emergency for a suicide attempt.

Keywords

Month of birth Suicide attempt with medication Violent behavior Emergency 

Notes

Acknowledgments

We thank Dr. Damsa Traian for his commentaries on the manuscript.

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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • Lionel Cailhol
    • 1
    • 2
  • Raluca Moraru
    • 2
  • Remy Barbe
    • 2
  • Anne-Hélène Moncany
    • 1
  • Sophie Garcin
    • 2
  • Coralie Lazignac
    • 2
  • Cristian Damsa
    • 2
    • 3
  1. 1.Service of psychiatry and medical psychologyUniversitary Hospital of Purpan-CasselarditToulouseFrance
  2. 2.Cantonal Universitary Hospital GenevaGenevaSwitzerland
  3. 3.Department of Psychiatry, Clinical Investigation ProgramUniversity of Colorado Health Sciences CenterDenverUSA

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