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Identifying patients at risk of bloodstream infection may help optimize diagnostic strategies and clinical management.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We conducted a retrospective observational study at a tertiary-care hospital including all consecutive patients hospitalized with cellulitis between January 2019 and December 2024. Patients without blood cultures were excluded. Clinical severity was stratified using the CREST classification. Microbiological data, antibiotic therapy, hospital outcomes, and follow-up at 1 and 3\u00a0months were analyzed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Among 311 episodes included, bacteremia was confirmed in 46 cases (14.8%). Patients with bacteremia showed significantly higher clinical severity at admission, with CREST grades III\u2013IV present in 56.5% compared with 36.6% in non-bacteremia patients (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.001). Sepsis occurred in 65.2% of bacteremia cases versus 24.5% of non-bacteremia cases (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.001). Bacteremia was associated with longer hospital stay (18\u2009\u00b1\u200918.3 vs 13\u2009\u00b1\u20099.7\u00a0days;\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.003) and more frequent antibiotic modifications during admission (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.023). Streptococcal species and\n                      <jats:italic>Staphylococcus aureus<\/jats:italic>\n                      showed a higher propensity for bloodstream invasion. In-hospital mortality was higher among bacteremia patients (13.0% vs 7.9%), although the difference was not statistically significant. Three-month mortality reached 14.3% in the bacteremia group compared with 9.9% in non-bacteremia patients.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Bacteremia complicating cellulitis is uncommon but associated with greater clinical severity, longer hospitalization, and increased therapeutic complexity. Severity stratification tools such as CREST may assist in identifying patients at increased risk of bacteremia; however, given their limited discriminatory performance, they should not be used in isolation to guide blood culture collection or other clinical decisions.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1007\/s10096-026-05593-3","type":"journal-article","created":{"date-parts":[[2026,7,13]],"date-time":"2026-07-13T12:49:19Z","timestamp":1783946959000},"page":"2989-3002","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Clinical predictors, microbiological profile, and outcomes of bacteremia in patients with cellulitis: a 6-year retrospective cohort study"],"prefix":"10.1007","volume":"45","author":[{"given":"Ana","family":"Cotos Su\u00e1rez","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Amparo","family":"L\u00f3pez-Bernus","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Montserrat","family":"Alonso-Sard\u00f3n","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Virginia","family":"Velasco Tirado","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Laura","family":"Sancha Dom\u00ednguez","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Beatriz","family":"Rodriguez Alonso","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Josue","family":"Pendones Ulerio","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Juan Luis","family":"Mu\u00f1oz Bellido","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Moncef","family":"Belhassen-Garc\u00eda","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2026,7,13]]},"reference":[{"issue":"2","key":"5593_CR1","doi-asserted-by":"publisher","first-page":"124","DOI":"10.1016\/j.ad.2018.07.010","volume":"110","author":"E Ortiz-Lazo","year":"2019","unstructured":"Ortiz-Lazo E, Arriagada-Egnen C, Poehls C, Concha-Rogazy M (2019) An update on the treatment and management of cellulitis. 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