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Induced-hypertension in progressing lacunar infarction.

Tae Sung Lim1, Ji Man Hong, Jin Soo Lee

  • 1Department of Neurology, Ajou University School of Medicine, Suwon, Republic of Korea.

Journal of the Neurological Sciences
|June 28, 2011
PubMed
Summary

Induced hypertension using phenylephrine can accelerate motor recovery in patients with progressing lacunar infarction. This treatment led to faster stabilization and shorter hospital stays without severe adverse events.

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Area of Science:

  • Neurology
  • Cardiovascular Medicine
  • Clinical Therapeutics

Background:

  • Early neurological deterioration is common after lacunar infarction, with limited therapeutic options.
  • Investigating interventions for motor progression in lacunar infarction is crucial.

Purpose of the Study:

  • To evaluate the efficacy of induced hypertension using phenylephrine in patients with lacunar infarction experiencing motor progression.
  • To compare outcomes between phenylephrine treatment and conventional care.

Main Methods:

  • A review of 82 lacunar infarction patients with motor progression (≥1-point NIHSS increase).
  • 52 patients received induced hypertension with phenylephrine targeting a 20% systolic BP increase; others had conventional treatment.
  • Motor stabilization time and modified Rankin Scale (mRS) at discharge were key outcome measures.

Main Results:

  • The phenylephrine group showed significantly lower NIHSS motor scores, shorter motor stabilization time, and reduced hospitalization duration compared to the conventional group.
  • History of hypertension, achieving target blood pressure, and shorter motor stabilization time were independent predictors of good outcome (mRS 0-2) in the phenylephrine group.
  • Phenylephrine treatment resulted in transient side effects like chest tightness and dysuria in a small number of patients.

Conclusions:

  • Phenylephrine-induced hypertension is a viable strategy for promoting early motor recovery in progressing lacunar infarction.
  • This therapeutic approach appears safe, with manageable side effects.
  • Further research into optimizing induced hypertension for stroke recovery is warranted.