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Background <p>A subset of patients with anterior circulation large-vessel occlusion (LVO) stroke progressed to malignant middle cerebral artery infarction (mMCAi) despite successful recanalization following endovascular treatment. This study investigated whether full medical support (FMS) could improve functional outcomes beyond reducing mortality in this population.</p> Methods <p>In this retrospective cohort study, consecutive patients from hospital-based stroke registry (May 2015 to August 2021) with anterior LVO stroke who developed mMCAi despite successful recanalization were included. Patients were stratified into two groups on the basis of the intensity of postprocedural care: the FMS group (aggressive neurocritical care) and the non-FMS group (limited medical support or comfort care). The primary outcome was survival without severe disability, defined as a modified Rankin Scale (mRS) score of 0–4 at 90&#xa0;days. Secondary outcomes included ordinal shift analysis of the mRS, rates of functional independence (mRS 0–2 and 0–3), and 90-day mortality.</p> Results <p>Among 114 eligible patients, 65 were assigned to the FMS group and 49 to the non-FMS group. The FMS group demonstrated a significantly higher rate of the primary outcome (46.2% vs. 6.1%; <i>P </i>&lt; 0.001) along with a markedly lower 90-day mortality (23.1% vs. 81.6%; <i>P </i>&lt; 0.001) compared with the non-FMS group. After adjustment for age, gender, and confounders, FMS remained independently associated with increased odds of achieving mRS 0–4 [adjusted odds ratio (aOR), 5.88; 95% confidence interval (CI) 1.31–26.40; <i>P</i> = 0.021) and with reduced mortality (aOR, 0.14; 95% CI 0.05–0.42; <i>P </i>&lt; 0.001), while no statistically significant difference was observed in the proportion of patients achieving an mRS of 0–2 or in those achieving an mRS of 0–3.</p> Conclusions <p>In patients who developed mMCAi after successful recanalization, FMS is associated with a greater likelihood of survival without severe disability (mRS 0–4). These findings suggest that withdrawal of aggressive medical care in this population should be approached with caution.</p>

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Full Medical Support versus Limited Medical Care in Malignant Middle Cerebral Artery Infarction after Successful Recanalization for Large-Vessel Occlusion Stroke

  • 期刊论文

  • 发表日期：

    2026年4月15日

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  • Guo Yiting,
  • Hu Chenzi,
  • Yukai Liu,
  • Zhou Junshan,
  • Gao Jie,
  • Huang Zhihui,
  • Fu Yijia

摘要

Background

A subset of patients with anterior circulation large-vessel occlusion (LVO) stroke progressed to malignant middle cerebral artery infarction (mMCAi) despite successful recanalization following endovascular treatment. This study investigated whether full medical support (FMS) could improve functional outcomes beyond reducing mortality in this population.

Methods

In this retrospective cohort study, consecutive patients from hospital-based stroke registry (May 2015 to August 2021) with anterior LVO stroke who developed mMCAi despite successful recanalization were included. Patients were stratified into two groups on the basis of the intensity of postprocedural care: the FMS group (aggressive neurocritical care) and the non-FMS group (limited medical support or comfort care). The primary outcome was survival without severe disability, defined as a modified Rankin Scale (mRS) score of 0–4 at 90 days. Secondary outcomes included ordinal shift analysis of the mRS, rates of functional independence (mRS 0–2 and 0–3), and 90-day mortality.

Results

Among 114 eligible patients, 65 were assigned to the FMS group and 49 to the non-FMS group. The FMS group demonstrated a significantly higher rate of the primary outcome (46.2% vs. 6.1%; P < 0.001) along with a markedly lower 90-day mortality (23.1% vs. 81.6%; P < 0.001) compared with the non-FMS group. After adjustment for age, gender, and confounders, FMS remained independently associated with increased odds of achieving mRS 0–4 [adjusted odds ratio (aOR), 5.88; 95% confidence interval (CI) 1.31–26.40; P = 0.021) and with reduced mortality (aOR, 0.14; 95% CI 0.05–0.42; P < 0.001), while no statistically significant difference was observed in the proportion of patients achieving an mRS of 0–2 or in those achieving an mRS of 0–3.

Conclusions

In patients who developed mMCAi after successful recanalization, FMS is associated with a greater likelihood of survival without severe disability (mRS 0–4). These findings suggest that withdrawal of aggressive medical care in this population should be approached with caution.