Practice Patterns and Barriers for Intravenous Thrombolysis: A Survey of Neurologists in Saudi Arabia

Table 3

Number and percentage of neurologists who would administer IVT based on an INR value or NIHSS score.

Answers to the questions “In patients receiving warfarin, up to what INR do you feel comfortable administering IV-tPA?”	Number of responses (%)
≤1.4	15 (22.4)
≤1.5	11 (16.4)
≤1.6	10 (14.9)
≤1.7	29 (43.3)
≤1.8	1 (1.5)
≤1.9	1 (1.5)
≥2.0	0
Total number	67
Answers to the question “Is there an NIHSS below which you usually do not offer IV-tPA?”	Number of responses (%)
1	3 (3.7)
2	2 (2.5)
3	8 (9.9)
4	14 (17.3)
5	5 (6.2)
6	1 (1.2)
Perceived disability of the deficit	35 (43.2)
Other (please specify)	1 (1.2)
Total number	81
Answers to the question “Is there an NIHSS above which you do not offer IV-tPA?”	Number of responses (%)
>25	26 (37.7)
>30	9 (13.0)
>35	1 (1.5)
>40	1 (1.5)
I do not restrict fibrinolysis based on an upper NIHSS score.	32 (46.4)
Total number	69