The effect of probiotic supplements on cognitive outcomes and neuroplasticity in elderly ischemic stroke survivors - Report - MDSpire

The effect of probiotic supplements on cognitive outcomes and neuroplasticity in elderly ischemic stroke survivors

  • By

  • Xiaohong Zheng

  • Wei Chen

  • Kai Hong

  • Jiaqing Chen

  • Yuebin Lin

  • Jiehua Yang

  • June 22, 2026

  • 0 min

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Clinical Report: Impact of Probiotic Supplementation on Cognitive Function

Overview

This study evaluates the effects of probiotic supplementation on cognitive and motor functions in elderly ischemic stroke survivors. Results indicate significant improvements in cognitive function, nutritional parameters, and motor recovery in those receiving probiotics compared to standard treatment.

Background

Ischemic stroke is a leading cause of disability, particularly affecting the elderly who often face cognitive decline and reduced neuroplasticity. Nutritional deficits and cognitive impairments are prevalent in this population, necessitating exploration of adjunct therapies like probiotics to enhance recovery outcomes.

Data Highlights

Outcome MeasureSupplement GroupConventional GroupP-value
BDNF LevelsIncreasedNot reported≤ 0.011
MMSE ScoresHigherNot reported< 0.003
CDR ScoresReducedNot reported< 0.003
mRS ScoresDecreasedNot reported< 0.004
MBI ScoresIncreasedNot reported< 0.004
Gastrointestinal Adverse EventsReducedNot reported< 0.001

Key Findings

  • Probiotic supplementation significantly improved cognitive function in elderly ischemic stroke survivors.
  • Neurotrophic factors such as BDNF increased in the Supplement Group.
  • Motor function recovery was enhanced, with better STREAM scores in the Supplement Group.
  • Gastrointestinal adverse events were significantly lower in the Supplement Group.
  • Correlation analysis indicated positive associations between probiotics and improved recovery outcomes.

Clinical Implications

Incorporating probiotics into nutritional therapy may enhance recovery in elderly ischemic stroke survivors by improving cognitive and motor functions. The reduction in gastrointestinal adverse events also suggests a well-tolerated adjunct therapy.

Conclusion

Probiotic supplementation appears to be a beneficial adjunct to standard nutritional therapy for improving recovery outcomes in elderly patients post-ischemic stroke.

Related Resources & Content

  1. Frontiers in Neurology, 2026 -- Psychological resilience and functional recovery after acute ischemic stroke: a prospective cohort study
  2. Frontiers in Immunology, 2026 -- Oral and gut microbiota dysbiosis with strengthened oral–gut connectivity in post-stroke cognitive impairment
  3. Frontiers in Neurology, 2026 -- Identifying key predictors of post-stroke depression and cognitive impairment in acute stroke survivors
  4. Cognitive Impairment After Ischemic and Hemorrhagic Stroke - Professional Heart Daily | American Heart Association
  5. Effects of exercise with probiotics, exercise alone, and probiotics alone on physical, motor, affective, and cognitive functions in stroke patients: a randomised controlled trial - PubMed
  6. the pathologist — Could Gut Bacteria Reflect Early Changes in Brain Health?
  7. Cognitive Impairment After Ischemic and Hemorrhagic Stroke - Professional Heart Daily | American Heart Association
  8. Effects of exercise with probiotics, exercise alone, and probiotics alone on physical, motor, affective, and cognitive functions in stroke patients: a randomised controlled trial - PubMed
  9. https://academic.oup.com/nutritionreviews/article-pdf/83/11/2144/64249043/nuaf156.pdf

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