The Effect of In-Hospital Intervention to Reduce Door to Needle Time in Patients Receiving Tissue Plasminogen Activator
DOI:
https://doi.org/10.6000/2292-2598.2020.08.02.4Keywords:
Door to Needle, Door to CT, Thrombolytic plasminogen activator.Abstract
Background and Objective: Attempts have been made to confirm the diagnosis of stroke at the earliest stage and to prevent the development of neurological deficits. Tissue plasminogen activator (tPA) plays a logical role in the treatment of acute stroke by converting plasminogen to plasmin, and recent studies have shown that the drug can be injected up to four and a half hours after the onset of symptoms. The present study aimed to evaluate the effect of an in-hospital intervention to reduce door to needle (DTN) time in acute stroke patients.
Methods: This epidemiological case-control study was performed on patients with acute ischemic stroke from September to March 2016 (n= 25) (group A) who were treated with tPA according to stroke guidelines. Their basic specifications, DTN and Door to Computed Tomography scan (DTC) time were recorded. Then, from April to August 2017, an intra-hospital recipe for tPA injection was provided by investigating the obstacles and causes of intra-hospital delays. Subsequently, stroke patients receiving tPA from September to March 2017 (n= 23) (group B) were examined, and their DTN and DTC were compared with patients in the first group.
Results: The mean DTN and DTC in group A were 67.27±28.83 and 30.40±10.59 minutes, and in group B, were 45±25.98 and 22.17±8.50, minutes, respectively, which made a significant difference between the two groups (P=0.005, P=0.006, respectively). The percentage of patients with DTN less than 60 minutes increased from 52% in group A to 95.6% in group B. The percentage of patients with DTC less than 25 minutes decreased from 32% to 69.56% (P<0.001). The percentage of patients with symptomatic cerebral haemorrhage increased from 12% to 8.7% (P<0.001). The percentage of patients with independent ambulatory (mRS: 0-2) at three months after discharge increased from 48% to 56.5% (P=0.003). The mortality rate also decreased from 24% to 13.4% (P<0.001).
Conclusion: By resolving the causes of intra-hospital delays and using a proper team program, the mean DTN and DTC of patients receiving tPA were reduced. This decrease in DTN time was accompanied by reduced complications in the form of reduced symptomatic cerebral haemorrhage and mortality and improved prognosis.
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