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result(s) for
"Duran, Isis M."
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Prospective, Randomized Trial of Higher Goal Hemoglobin after Subarachnoid Hemorrhage
2010
Background and Purpose
In patients with subarachnoid hemorrhage (SAH), higher hemoglobin (HGB) has been associated with better outcomes, but packed red blood cell (PRBC) transfusions with worse outcomes. We performed a prospective pilot trial of goal HGB after SAH.
Methods
Forty-four patients with SAH and high risk for vasospasm were randomized to goal HGB concentration of at least 10 or 11.5 g/dl. We obtained blinded clinical outcomes at 14 days (NIH Stroke Scale and modified Rankin Scale, mRS), 28 days (mRS), and 3 months (mRS), and blinded interpretation of brain MRI for cerebral infarction at 14 days. This trial is registered at
www.stroketrials.org
.
Results
Forty-four patients were randomized. Patients with goal HGB 11.5 g/dl received more PRBC units per transfusion [1 (1–2) vs. 1 (1–1),
P
< 0.001] and more total PRBC units [3 (2–4) vs. 2 (1–3),
P
= 0.045]. Prospectively defined safety endpoints were not different between groups. HGB concentration was different between study groups from day 4 onwards. The number of cerebral infarctions on MRI (6 of 20 vs. 9 of 22), NIH Stroke Scale scores at 14 days [1 (0–9.75) vs. 2 (0–16)], and rates of independence on the mRS at 14 days (65% vs. 44%) and 28 days (80% vs. 67%) were similar, but favored higher goal HGB (
P
> 0.1 for all).
Conclusions
Higher goal hemoglobin in patients with SAH seems to be safe and feasible. A phase III trial of goal HGB after SAH is warranted.
Journal Article
Reliability of the validated clinical diagnosis of pneumonia on validated outcomes after intracranial hemorrhage
2012
Reducing the incidence of hospital-acquired pneumonia (PNU) is important but depends on accurate assessment. We sought to determine the interrater reliability of diagnosis of PNU and its impact on resource utilization and functional outcomes in a high-risk population.
Patients admitted in 2007 with intracranial hemorrhage were prospectively identified. Pneumonia was prospectively diagnosed by Centers for Disease Control criteria by a neurointensivist and infection control. An independent retrospective determination was made by a fellow, an infectious disease attending physician, and a pulmonologist after review of the electronic medical records and radiographs. Interrater reliability was analyzed with κ statistics. One and 3-month outcomes were measured with the modified Rankin scale.
Of 103 patients, the incidence of PNU ranged from 5% to 25%. Interrater reliability was poor (median κ = 0.30 [0.19-0.42]; P < .001). Any ascertainment of PNU was associated with longer intensive care unit length of stay, more fever and ventilator dependence, and worse functional outcomes.
Pneumonia had poor interrater reliability despite highly trained reviewers and validated criteria. Although the clinical assessment of PNU is difficult, it was associated with greater resource use and worse outcomes. Diagnosis of clinical PNU may be suboptimal for measuring quality of intensive care.
Journal Article