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In diesem Artikel und weiteren geplanten Folgen werden Ergänzungen, Nachträge, Erläuterungen und Korrekturen sowohl zum von der Taunusflora (Wittig & al. 2022) erfassten Gebiet (Vortaunus, Hoher Taunus, kammnaher Hintertaunus) als auch zum bisher nicht bearbeiteten kammfernen Bereich des Hintertaunus publiziert. Bei den bisherigen Ergänzungen und Nachträgen handelt es sich um die Ergebnisse der Nachbestimmung eines Belegs (Allium christophii), den Fund einer für das Gebiet bisher nicht genannten Art (Hylotelephium vulgare) sowie um Hinweise auf ältere Funde (Bolboschoenus maritimus, Polystichum lonchitis) und einen neueren Fund (Luronium natans). Weiterhin werden die wichtigsten Ergebnisse der Begehungen sechs kammferner Rasterfelder präsentiert (Rote-Liste- und sonstige seltene Arten). Als selten werden diejenigen Arten angesehen, die im bisherigen Kartierungsgebiet in maximal 5 % (= 26) der insgesamt 523 Rasterfelder gefunden wurden. Außerdem werden in der Taunusflora enthaltene Fehler korrigiert.
Background: Transfusion of red blood cells (RBC) in patients undergoing major elective cranial surgery is associated with increased morbidity, mortality and prolonged hospital length of stay (LOS). This retrospective single center study aims to identify the impact of RBC transfusions on skull-base and non-skull-base meningioma patients including the identification of risk factors for RBC transfusion.
Methods: From October 2009 - October 2016 we retrospectively analyzed 423 primary meningioma patients undergoing surgery for primary meningioma resection our department.
Results: Of these 423 patients, 68 (16.1%) received RBC transfusion and 355 (83.9%) did not receive RBC units. Preoperative anaemia rate was significantly higher in transfused patients (17.7%) compared to patients without RBC transfusion (6.2%; p = 0.0015). In transfused patients, postoperative complications as well as hospital LOS was significantly higher (p < 00001) compared to non-transfused patients. After multivariate analyses, risk factors for RBC transfusion were preoperative American Society of Anesthesiologists (ASA) physical status score (p = 0.0247), tumor size (p = 0.0006), surgical time (p = 0.0018) and intraoperative blood loss (p < 0.001). Kaplan-Meier curves revealed significant influence on overall survival by preoperative anaemia, RBC transfusion, smoking, cardiovascular disease, preoperative KPS ≤ 60% and age (elderly ≥ 75 years).
Conclusion: We concluded that blood loss due to large tumors or localization near large vessels are the main triggers for RBC transfusion in meningioma patients paired with a potential preselection that masks the effect of preoperative anaemia in multivariate analysis. Further studies evaluating the impact of preoperative anaemia management for reduction of RBC transfusion are needed to improve clinical outcomes of meningioma patients.