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A specific vulnerability of patients with borderline personality disorder (BPD) following social distancing measures has been reported, however there is a lack of adequately sized studies that provide evidence of this vulnerability. Suicide attempts may reflect mental health effects of the COVID-19 pandemic in psychiatric settings.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Methods<\/jats:title>\n                <jats:p>Retrospective follow-up analysis of clinical documentation in a psychiatric emergency department (pED) of a major academic psychiatric hospital in Berlin, Germany. Observation periods include the first- (3\/2\/2020\u20135\/24\/2020) and second-wave (9\/15\/2020\u20133\/1\/2021) of the COVID-19 pandemic in Germany and respective periods one year earlier as control-periods. Poisson-regression was used for statistical modelling of individual counts of pED presentations after a suicide attempt.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p><jats:italic>N<\/jats:italic>\u2009=\u20094110 patients attended the pED during the four observation periods. BPD patients were associated with elevated risk of pED presentation after a suicide attempt during COVID-periods (RR\u2009=\u20093.4; <jats:italic>p<\/jats:italic>\u2009=\u2009.014). Schizophrenia and psychotic disorders showed lower risk of pED presentation after a suicide attempt during COVID-periods (RR\u2009=\u20090.4; <jats:italic>p<\/jats:italic>\u2009=\u2009.048). Other diagnostic groups did not show significant interaction effects with COVID-periods. The first-wave was a risk factor for pED presentation after a suicide attempt affecting the sample across all diagnostic groups (RR\u2009=\u20093.1; <jats:italic>p<\/jats:italic>\u2009=\u2009.006).<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusions<\/jats:title>\n                <jats:p>BPD patients seem to be particularly vulnerable during the COVID-19 pandemic showing increased rates of suicide attempts during both COVID-periods. This should be addressed in future health crises by ensuring availability of psychosocial help. There is a need for further research regarding BPD patients in public health crisis situations.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1186\/s12888-024-06366-y","type":"journal-article","created":{"date-parts":[[2024,12,27]],"date-time":"2024-12-27T07:51:51Z","timestamp":1735285911000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Particular vulnerability of patients with borderline personality disorder during the COVID-19 pandemic \u2013 a retrospective chart review"],"prefix":"10.1186","volume":"24","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7088-8856","authenticated-orcid":false,"given":"Yann David","family":"Kippe","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stefan","family":"Gutwinski","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maia","family":"Adam","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anna","family":"Finck","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Meryam","family":"Schouler-Ocak","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thomas","family":"Goldschmidt","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2024,12,27]]},"reference":[{"key":"6366_CR1","unstructured":"WHO: Coronavirus disease (COVID-19) pandemic. https:\/\/www.who.int\/europe\/emergencies\/situations\/covid-19 (2023). 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