Thrombocytopenia and Neurosurgery: A Literature Review

Publication date: October 2017
Source:World Neurosurgery, Volume 106
Author(s): Daphne Li, Taylor Glor, G. Alexander Jones
IntroductionThe absence of evidence-based guidelines for platelet transfusion surrounding invasive neurosurgical procedures leads to uncertainty in management. Multiple studies have illuminated this lack of high quality data, and subsequent reliance on expert opinion. The generally accepted threshold for platelet transfusion has hovered around 100,000/μL.MethodsWe have conducted a review of available clinical literature to identify any evidence that may support or refute these general guidelines, in an attempt to clarify the need for platelet transfusion in the patient requiring neurosurgical intervention.ResultsThe available evidence is sparse and of low quality, but suggests that a platelet count <100,000/μL is associated with increased risk of hemorrhagic complications. In addition, the acuity of thrombocytopenia, magnitude of decrease in platelet count, and responsiveness to platelet transfusions impact the risk of neurosurgical intervention, and should be taken into account when evaluating a patient's surgical candidacy. Higher quality, prospective studies on the subject are unlikely, given a general lack of clinical equipoise on the subject, and the ethical concerns such a study would present.



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