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The INR and FFP

Is This a Good Relationship with Regard to Transfusion Practice?


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Coagulation Tests and Invasive Procedures, cont.

Slide 10

December 2008

As an example let’s look at what investigators found when they looked into the data related to bronchoscopy. Two large studies looked at patients who underwent bronchoscopy procedures during which biopsies were performed.

Outcomes in patients with and without abnormal coagulation tests results were evaluated. The earlier of these two studies consisted of retrospective data collection covering the period from 1983 to 1991. The more recent study was based on prospectively collected data from the late 1990s.

Both studies identified rates of procedure-related bleeding that were similar in patients with normal and abnormal coagulation tests prior to the procedure. The differences in the risk of procedure-related bleeding were -2% and -3% respectively and interestingly, these results, on face value, although not statistically significant, show that the risk of procedure-related bleeding was lower in the patients with abnormal coagulation results.

Coagulation Tests, cont.


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