Intravenous thrombolysis in acute ischemic stroke after POLKARD: one center analysis of program impact on clinical

M Arkuszewski1, M Targosz-Gajniak, M Swiat

  • 1Department of Neurology, Medical University of Silesia, Katowice, Poland. michal.arkuszewski@gmail.com

Insights

Following a change in funding, more acute ischemic stroke patients received intravenous thrombolysis in Poland. However, this did not significantly alter clinical outcomes or mortality rates.

Area of Science:

  • Neurology
  • Cardiovascular Medicine
  • Public Health Policy

Background:

  • Intravenous thrombolysis for acute ischemic stroke was introduced in Poland under the POLKARD program (2003-2008).
  • Reimbursement shifted to the National Health Fund (NFZ) in 2009.
  • This study evaluates the impact of this funding change on treatment rates and patient outcomes.

Purpose of the Study:

  • To assess if the change in financing institution (POLKARD to NFZ) affected the proportion of acute ischemic stroke patients treated with IV thrombolysis.
  • To determine if clinical parameters or stroke outcomes changed following the shift in reimbursement.

Main Methods:

  • Retrospective analysis of 90 consecutive acute ischemic stroke patients treated within 3 hours of symptom onset.
  • Comparison of clinical data, time delays, mortality, and 90-day functional outcomes between the POLKARD period and 2009.
  • Binary logistic regression used to analyze the association between outcomes and baseline characteristics.

Main Results:

  • A significant increase in treated patients was observed in 2009 (7.6%) compared to the POLKARD period (4.3%, p=0.013).
  • No significant differences were found in patient demographics, risk factors, treatment delays, or hemorrhagic complications.
  • A trend towards higher, though not statistically significant, 90-day mortality was noted in 2009 (32.1% vs. 16.1%, p=0.101).
  • Baseline neurological deficits and in-hospital delays predicted disability and death.

Conclusions:

  • The shift in financing and removal of reimbursement limits allowed a greater proportion of ischemic stroke patients to receive intravenous thrombolysis.
  • While treatment rates increased, further research is needed to address the observed trend in mortality.
Abstract

Related Concept Videos

Venous Thrombosis III: Interprofessional Care01:29

Venous Thrombosis III: Interprofessional Care

Venous thrombosis requires effective prevention and treatment strategies to improve patient outcomes and reduce potential complications.Prevention StrategiesHealthcare providers must prioritize preventing venous thromboembolism (VTE) for all adult patients upon admission. Interventions depend on bleeding and thrombosis risk, medical history, current medications, diagnoses, planned procedures, and patient preferences. Patients on bed rest should change positions every two hours and, if not...
Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care01:29

Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care

Diagnosing Pulmonary EmbolismDiagnosing pulmonary embolism (PE) involves clinical assessment and advanced imaging tests. The preferred diagnostic tool is the spiral (helical) CT scan or CT angiography (CTA), which uses intravenous contrast media to visualize the pulmonary vasculature and identify emboli.A ventilation-perfusion (V/Q) scan is an alternative for patients unable to receive contrast media. This scan includes both perfusion and ventilation scanning. Perfusion scanning involves...
Ischemic Stroke ll: Pathophysiology01:15

Ischemic Stroke ll: Pathophysiology

An ischemic stroke occurs when a cerebral blood vessel becomes obstructed, most often by a thrombus or embolus, interrupting the delivery of oxygen and glucose to brain tissue. Because neurons rely on continuous aerobic metabolism, energy failure begins within minutes of reduced perfusion. The region receiving the least blood flow becomes the infarct core, an area of irreversible cellular death. Surrounding this core lies the penumbra, a zone of hypoperfused but still viable tissue that is...
Ischemic Stroke l: Introduction01:15

Ischemic Stroke l: Introduction

Ischemic stroke is an acute cerebrovascular condition in which blood flow to a brain region is suddenly interrupted, leading to tissue infarction. Neurons depend on continuous oxygen and glucose supply, so even brief reductions in perfusion cause energy failure, ionic imbalance, and irreversible injury. Ischemic strokes are classified into thrombotic and embolic types based on their underlying mechanisms.Thrombotic MechanismsThrombotic stroke develops when a clot forms within a cerebral artery.
Hemorrhagic Stroke ll: Pathophysiology01:29

Hemorrhagic Stroke ll: Pathophysiology

A hemorrhagic stroke develops when a cerebral blood vessel ruptures, allowing blood to escape into the surrounding brain tissue, as in intracerebral hemorrhage (ICH), or into the subarachnoid space, as in subarachnoid hemorrhage (SAH). Because the skull is a rigid compartment, the sudden presence of extravascular blood rapidly increases intracranial pressure and compresses adjacent neural structures, leading to immediate tissue injury and impaired cerebral perfusion.Mass Effect and Primary...
Anticoagulant Drugs: Vitamin K Antagonists and Direct Oral Anticoagulants01:18

Anticoagulant Drugs: Vitamin K Antagonists and Direct Oral Anticoagulants

Oral anticoagulants are vital tools in preventing and treating blood clotting disorders. This diverse class of medications can be categorized as vitamin K antagonists, exemplified by warfarin, and direct thrombin inhibitors (DTIs), such as dabigatran, as well as factor Xa inhibitors, including rivaroxaban.
Warfarin, a prominent vitamin K antagonist family member, exerts its effect by inhibiting the enzyme VKORC1 (vitamin K epoxide reductase complex 1). By hindering this enzyme, warfarin...