Transcranial Ultrasound Via Sonolucent Cranioplasty After Minimally Invasive Intracerebral Hemorrhage Evacuation

Inclusion criteria: * Presence of spontaneous supratentorial ICH ≥20 mL * Age ≥18 years * National Institute of Health Stroke Scale (NIHSS) score ≥6 * GCS score 5-15 at presentation * Undergoing minimally invasive intracerebral hemorrhage evacuation with sonolucent cranioplasty or hemicraniectomy with sonolucent cranioplasty Exclusion criteria: * Secondary cause for the ICH, such as an underlying vascular malformation (cavernous malformation, arteriovenous malformation, etc.), aneurysm, neoplasm, hemorrhagic transformation of an underlying ischemic infarct; or venous infarct * History of osteomyelitis * History of skull neoplasm * History of comminuted skull fractures * Infratentorial hemorrhage * Midbrain extension/involvement * Coagulopathy defined as INR \> 1.4, elevated aPTT, or concurrent use of direct oral anticoagulants or low molecular weight heparin at ICH onset; known hereditary or acquired hemorrhagic diathesis; coagulation factor deficiency; platelet count \< 100x103cells/mm3, or known platelet dysfunction * Inability to obtain consent from patient or appropriate surrogate (for patients without capacity) * Evidence of active infection indicated by fever ≥ 100.7F and/or open draining wound at the time of enrolment * Any comorbid disease or condition expected to compromise survival or ability to complete follow-up assessments through 1 year * Based on investigator's judgment, the patient does not have the necessary mental capacity to participate or is unwilling t…