In this BloggingStroke post, Romil Singh discusses Stroke article by Kim et al.
Early neurological deterioration (END) remains one of the most challenging and feared complications during the acute phase of ischemic stroke. Affecting up to 40% of patients, END often signals the expansion of infarction, worsening hypoperfusion, or thrombus propagation. Despite its prevalence and its strong association with long-term disability, we lack clear evidence-based guidance on treatment strategies for inducing hypertension to improve perfusion and escalating antithrombotic therapy in hopes of stabilizing the patient.
A new nationwide study from South Korea, published in Stroke, now offers some much-needed clarity. Kim et al. analyzed data for more than 3,000 patients with no cardioembolic ischemic stroke who developed END due to stroke progression. They compared the real-world effectiveness of three treatment approaches: conservative treatment, change in antithrombotic therapy, and iHTN, and looked at associations with early neurological improvement (NI) during hospitalization and functional outcomes at 3 months. Because END was confirmed with imaging and standardized assessments, the cohort offers a clear view of how clinicians manage stroke progression in the absence of hemorrhage or metabolic causes.