Observational studyMedicine2016
Comparison of Effects of Botulinum Toxin Injection Between Subacute and Chronic Stroke Patients: A Pilot Study.
Observational study in Medicine, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers, 2 of them syntheses that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
8 citing papers in PubMed, 2 syntheses or guidelines pooled it, 19 citations in OpenAlex.
- The Impact of Strength Changes on Active Function Following Botulinum Neurotoxin-A (BoNT-A): A Systematic Review.Toxins · 2025Pooled it
- Pooled it
- Impact of early intervention with onabotulinumtoxinA treatment in adult patients with post-stroke lower limb spasticity: results from the double-blind, placebo-controlled, phase 3 REFLEX study.Journal of neural transmission (Vienna, Austria : 1996) · 2020Trial
- Botulinum Toxin A for Elbow Flexor Spasticity: A Non-Randomized Observational Study of Muscle-Specific Injection Strategies.Journal of clinical medicine · 2025Article
- Article
- Precise quantification of the time course of voluntary activation capacity following Botulinum toxin injections in the biceps brachii muscles of chronic stroke survivors.Journal of neuroengineering and rehabilitation · 2020Article
- Botulinum toxin A modifies nociceptive withdrawal reflex in subacute stroke patients.Brain and behavior · 2018Article
- Localization of center of intramuscular nerve dense regions in adult anterior brachial muscles: a guide for botulinum toxin A injection to treat muscle spasticity.American journal of translational research · 2018Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
3 authors at 1 institution in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The aim of this study was to compare the effects of botulinum toxin injection between subacute and chronic stroke patients. Eighteen stroke patients (9 subacute and 9 chronic) with spasticity of 1+ or higher in the hemiplegic elbow or wrist joint, based on the modified Ashworth scale were recruited. Modified Ashworth scale, modified Tardieu scale, manual muscle testing, passive range of motion, Brunnstrom stage, modified Barthel index, and Fugl-Meyer scale evaluations of the hemiplegic upper extremity were performed just before the injection and 4 weeks later. A total dose of 200 U of botulinum toxin type A was injected into each patient. One or more of the elbow flexor muscles and one or more of the wrist flexor or finger flexor muscles were included. Modified Ashworth scale, manual muscle testing, passive range of motion, and modified Barthel index results were improved in subacute patients only. However, modified Tardieu scale for the elbow and Fugl-Meyer scale results were improved in both groups, and the improvement was comparable. In conclusion, botulinum toxin injection in subacute patients was more helpful for spasticity, contracture, and function than in chronic patients. However, beneficial effects of botulinum toxin injection on spasticity and function in chronic patients were found in the assessments of the modified Tardieu scale and Fugl-Meyer scale.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.