Why the study?
Does routine preoperative coagulation testing predict postoperative bleeding in neurosurgical patients?
Population
1211 patients having neurosurgery over a one-year period
Design
Cohort
Authors
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May not warrant routine coagulation testing in neurosurgery; leaves open whether history-guided strategies reduce unnecessary tests.
Does routine preoperative coagulation testing predict postoperative bleeding in neurosurgical patients?
Routine screening of all preoperative neurosurgical patients with coagulation studies is unnecessary as prolonged aPTT is predictable on history in most patients.
Schramm et al. (2001) studied this question.