====== MIND study ====== The **MIND study involving the [[ARTEMIS Penumbra System]]**. **Minimally Invasive Neuro Evacuation Device** (MIND): A clinical study evaluating the **safety and efficacy of the [[ARTEMIS]]™ neuro evacuation device** in the treatment of **intracerebral hemorrhage (ICH)**. ===== Critical Summary ===== ### 📌 **Objective:** To evaluate whether **minimally invasive aspiration using ARTEMIS** can safely reduce **hematoma volume** and potentially improve **clinical outcomes** in patients with spontaneous ICH. --- ### 📋 **Study Design:** - **Prospective, multicenter**, single-arm observational study. - Sponsored by **Penumbra Inc.** - Involved patients with **deep ICH** (e.g., basal ganglia, thalamus) eligible for **minimally invasive evacuation**. - Primary endpoints: - **Safety** (mortality, procedure-related complications). - **Efficacy** (volume reduction, midline shift, functional outcomes like mRS). --- ### ✅ **Key Strengths:** - **Real-world data** from multiple centers. - Use of **modern, targeted aspiration technique** (ARTEMIS catheter). - Focused on **deep hematomas**, often harder to access surgically. - Early results show **significant hematoma volume reduction** in most patients. - Procedure generally well tolerated, with **low perioperative complication rates**. --- ### ⚠️ **Limitations and Critique:** 1. **Lack of control group**: - Being a **single-arm study**, it lacks a comparison against **conservative treatment** or **other surgical approaches** (e.g., craniotomy, MISTIE-style catheter+lysis). 2. **Functional outcomes unclear**: - Volume reduction was achieved, but **meaningful clinical recovery** (e.g., return to independence) varies widely by center and patient selection. - Small sample size so far makes it hard to generalize. 3. **Timing of intervention**: - There's variability in **when** patients were treated (early vs. delayed aspiration), which affects the results. - No clear guidelines yet on optimal **time window** for ARTEMIS use. 4. **No long-term follow-up** published yet: - Cognitive and neurological outcomes beyond 90 days are not well documented. 5. **Commercial interest**: - As it’s **industry-sponsored**, results must be interpreted carefully with independent validation. --- ### 🧾 **Conclusion:** The **MIND study** confirms that the **ARTEMIS™ system** is: - **Technically feasible**, - **Safe for aspiration** of deep ICH, - Effective in reducing **hematoma volume**. But it stops short of proving that this translates into **better functional outcomes**, especially compared to **medical management**. --- ### 📊 **What's Needed Next:** - A **randomized controlled trial (RCT)** comparing ARTEMIS vs. [[standard care]] or vs. other minimally invasive techniques. - Stratified analysis of **ICH volume, location, and timing**. - Cost-effectiveness evaluations. - Long-term outcome tracking.