Non-invasive brain stimulation with motor imagery improves upper limb function after stroke with WMD 5.75
Photo by DIANA HAUAN / Unsplash
Key Takeaway
Consider non-invasive brain stimulation with motor imagery as a safe rehab option for upper limb recovery after stroke, pending more trials.
This is a systematic review and meta-analysis of 21 studies from 16 articles on non-invasive brain stimulation combined with motor imagery for stroke patients. The authors synthesized evidence on upper extremity motor function, functional activity, and activities of daily living. For upper extremity motor function, the pooled effect was a weighted mean difference of 5.75 (95% CI 3.67 to 7.82; P < 0.001). For upper extremity functional activity, the standardized mean difference was 1.18 (95% CI 0.78 to 1.57; P < 0.001). For activities of daily living, the weighted mean difference was 8.94 (95% CI 4.36 to 13.53; P < 0.001). The authors report the intervention was safe but did not specify adverse events. A key limitation is that further high-quality, large-scale randomized controlled trials are warranted to validate these findings and establish standardized clinical protocols. Practice relevance is that this may be an effective and safe rehabilitation strategy, but clinicians should interpret the results cautiously given the need for more robust evidence.
More on Stroke
Thrombectomy plus intra-arterial alteplase increases excellent functional outcome to 57.5% at 90 days
Adding Alteplase to Thrombectomy Improves Stroke Recovery in This Trial
This randomized, open-label trial with blinded outcome assessment in 440 patients with acute ischemic stroke found that adding intra-arteria…
A Spanish trial found adding intra-arterial alteplase to thrombectomy increased excellent recovery rates without significantly raising bleed…
Higher admission WBC predicts favorable methylprednisolone effect after thrombectomy
Higher white blood cell counts linked to better methylprednisolone effects in stroke patients
This secondary analysis of a randomized, placebo-controlled trial evaluated 1201 patients with anterior-circulation large-vessel occlusion s…
A secondary analysis suggests higher white blood cell counts may predict better outcomes when adding methylprednisolone to stroke treatment …
Apixaban Reduces Intracranial Bleeding Risk Compared To Aspirin In Patients With Cryptogenic Stroke And Atrial Cardiopathy Evidence
Trial shows apixaban reduces intracranial bleeding risk versus aspirin in cryptogenic stroke patients
In a multicenter randomized trial of 1,015 patients, apixaban demonstrated a significant reduction in intracranial hemorrhage compared to as…
A trial of 1,015 patients found apixaban caused fewer intracranial hemorrhages than aspirin, offering safety insights for those with cryptog…
Post hoc analysis shows unsuccessful thrombectomy does not worsen outcomes for large ischemic infarcts compared to medical treatment alone
Unsuccessful clot removal did not worsen outcomes for patients with large strokes
In patients with large ischemic infarcts, unsuccessful endovascular thrombectomy did not increase mortality or worsen functional outcomes ve…
For patients with large strokes, a less successful clot removal did not lead to worse survival or function compared to medical treatment alo…
View Original Abstract ↓
IntroductionSevere stroke frequently leads to adult disability and a loss of functional independence. Specifically, stroke-induced upper limb motor impairment significantly compromises the quality of daily life for these patients. Therefore, evaluating the efficacy of non-invasive brain stimulation combined with motor imagery for the recovery of upper limb motor function is critical for improving patient outcomes.MethodsA systematic search for relevant randomized controlled trials (RCTs) was conducted across PubMed, Cochrane Library, ScienceDirect, Web of Science, EMBASE, CNKI, Wanfang Data, and VIP databases, spanning from their inception through September 4, 2025. Key outcome measures included upper extremity motor function (assessed via FMA-UE), upper extremity functional activity (ARAT and WMFT), and activities of daily living (MBI). Statistical analyses were performed using Stata 18.0. Effect sizes were calculated as weighted mean differences (WMD) or standardized mean deviations (SMD) with 95% confidence intervals (CI) using random-effects models.ResultsThe meta-analysis, comprising 21 studies from 16 articles, demonstrated that MI combined with NIBS significantly improved upper extremity motor function (WMD = 5.75; 95% CI = 3.67, 7.82; P < 0.001), upper extremity functional activity (SMD = 1.18; 95% CI = 0.78, 1.57; P < 0.001), and activities of daily living (WMD = 8.94; 95% CI = 4.36, 13.53; P < 0.001). Subgroup analyses identified stroke chronicity, NIBS modality, stimulation and training duration, MI paradigm, and comparator type as significant moderators of the intervention effect.ConclusionThe combined intervention of MI and NIBS constitutes an effective and safe rehabilitation strategy that significantly enhances upper limb motor function and activities of daily living following stroke. Nevertheless, further high-quality, large-scale randomized controlled trials are warranted to validate these findings and establish standardized clinical protocols.Systematic review registrationPROSPERO (Registration number: CRD420251167952).
Intravenous tenecteplase improves functional outcomes but increases hemorrhage risk in non-large vessel occlusion acute ischemic stroke
Tenecteplase improves stroke recovery but increases bleeding risk in late treatment window
Related in Neurology
Thrombectomy plus intra-arterial alteplase increases excellent functional outcome to 57.5% at 90 days
Adding Alteplase to Thrombectomy Improves Stroke Recovery in This Trial
This randomized, open-label trial with blinded outcome assessment in 440 patients with acute ischemic stroke found that adding intra-arteria…
A Spanish trial found adding intra-arterial alteplase to thrombectomy increased excellent recovery rates without significantly raising bleed…
Aging is associated with poorer locomotor recovery after traumatic spinal cord injury in preclinical models
Older rats recover less from spinal cord injury, but exercise helps them catch up
This systematic review of preclinical studies found that older animals demonstrate significantly lower locomotor scores after spinal cord in…
Aging makes spinal cord injury harder to recover from in rats. But exercise training can help older animals reach recovery levels similar to…
Higher admission WBC predicts favorable methylprednisolone effect after thrombectomy
Higher white blood cell counts linked to better methylprednisolone effects in stroke patients
This secondary analysis of a randomized, placebo-controlled trial evaluated 1201 patients with anterior-circulation large-vessel occlusion s…
A secondary analysis suggests higher white blood cell counts may predict better outcomes when adding methylprednisolone to stroke treatment …
Apixaban Reduces Intracranial Bleeding Risk Compared To Aspirin In Patients With Cryptogenic Stroke And Atrial Cardiopathy Evidence
Trial shows apixaban reduces intracranial bleeding risk versus aspirin in cryptogenic stroke patients
In a multicenter randomized trial of 1,015 patients, apixaban demonstrated a significant reduction in intracranial hemorrhage compared to as…
A trial of 1,015 patients found apixaban caused fewer intracranial hemorrhages than aspirin, offering safety insights for those with cryptog…
From Other Specialties
IL-17-targeted intervention implications for tissue injury remain uncertain due to lack of holistic regulatory perspective
New review explains how IL-17 works differently in injured tissues
This narrative review examines IL-17-targeted interventions for tissue injury. The authors note that the field lacks a holistic perspective …
A new review explains how IL-17 behaves differently in injured tissues, offering fresh ideas for tailored treatment strategies.
cGAS–STING activation correlates with improved survival and enhanced checkpoint blockade response in cancer
Activating a cancer-fighting immune pathway can help tumors shrink but too much may backfire
This narrative review synthesizes evidence on cGAS–STING pathway activation in cancer. The authors report that heightened activity correlate…
Turning on a specific immune pathway helps some cancer patients survive longer, yet overactivating it can cause the immune system to stop wo…
Molecular markers may improve risk assessment in oral potentially malignant disorders
Molecular tools may improve risk assessment for oral lesions
This narrative review examines the limitations of conventional histopathological grading for oral potentially malignant disorders (OPMDs) an…
A review suggests molecular methods could better assess risk for oral potentially malignant disorders where standard grading is unreliable.
Vaginal irrigation self-management shows conditional support for cervical cancer patients undergoing radiotherapy
Vaginal irrigation helps cervical cancer patients on radiotherapy
This systematic review evaluates vaginal irrigation self-management in patients undergoing radiotherapy for cervical cancer. The analysis in…
A review of 23 trials suggests vaginal irrigation self-care may reduce complications for cervical cancer patients undergoing radiotherapy.