Mika Niemelä

University of Helsinki — Finland

Medicine · Health Sciences

67h-index15.9kcitations482works4.02yr avg
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Research Topics

Intracranial Aneurysms: Treatment and Complications(257), Vascular Malformations Diagnosis and Treatment(146), Meningioma and schwannoma management(94), Traumatic Brain Injury and Neurovascular Disturbances(73), Intracerebral and Subarachnoid Hemorrhage Research(70)

Publications479 total

MRI radiomic signature predicts peritumoral brain edema resolution following meningioma surgery
Acta Neurochirurgica·2025Open Access
The Helsinki Unruptured Intracranial Aneurysm Quality of Care study: a prospective observational study
Journal of neurosurgery·2025
External validation of a grading system predicting ischemia following middle cerebral artery aneurysm clipping
Journal of Clinical Neuroscience·2025
Restarting anticoagulation early versus late in patients with chronic subdural hematoma and atrial fibrillation (RELACS): a phase III international multicenter, randomized controlled, two-arm, assessor-blinded trial
Trials·2025Open Access
Psychiatric disorders after traumatic intracranial hemorrhage: the HEAD Helsinki study
Acta Neurochirurgica·2025Open Access
Introduction. A case-based video review of arteriovenous fistulae
Neurosurgical Focus Video·2025Open Access
Active Exchange of CSF for Rapid Removal of Blood in Hemorrhagic Stroke: Multicenter Experience in 40 Patients
World Neurosurgery·2025· 1 citedOpen Access
Intracranial Aneurysm Wall Phenotypes: Clinical, Morphological, and Hemodynamic Influences
Stroke Vascular and Interventional Neurology·2025Open Access
Author response for "Differences in Performance in the Trail Making Test Part B Between Adoptees With High and Low Genetic Risk for Schizophrenia Spectrum Disorders: The Finnish Adoptive Family Study of Schizophrenia"
2025
Spinal dural arteriovenous fistulae: Treatments and outcomes a systematic review and meta-analysis
British Journal of Neurosurgery·2025· 1 cited
Sudden Prehospital Deaths From Brain Arteriovenous Malformations
Neurology·2025· 2 cited
Active Cerebrospinal Fluid Exchange vs External Ventricular Drainage in the Neurocritical Care Unit: An International, Retrospective Cohort Study
Neurosurgery·2025· 10 cited
Hemorrhagic Stroke in Atrial Fibrillation: Trends in Incidence, Case Fatality, and Prior Oral Anticoagulation
Journal of the American Heart Association·2025Open Access
CD4+ T-lymphocytes in human saccular intracranial aneurysm walls are associated with aneurysm rupture
Journal of Neuropathology & Experimental Neurology·2025Open Access
Targeted Screening of Unruptured Intracranial Aneurysms in Female Smokers: Inconsiderate Overdiagnosis or Chance for Better Health?
Stroke·2025· 1 citedOpen Access
Evaluation of a novel high speed burr tip for safe and efficient bone surgery in a sheep model
Scientific Reports·2025· 2 citedOpen Access
KRIT1 heterozygous mutations are sufficient to induce a pathological phenotype in patient-derived iPSC models of cerebral cavernous malformation
Cell Reports·2025· 7 citedOpen Access
Peritumoral edema resolves infrequently in surgically treated patients with intracranial meningioma– a retrospective study of 279 meningioma patients
Journal of Neuro-Oncology·2025· 6 citedOpen Access
Has a fast treatment transition from surgical to endovascular operations improved the survival of aneurysmal subarachnoid hemorrhage?
Acta Neurochirurgica·2025Open Access
Association between postoperative thromboembolic and hemorrhagic complications and clinical outcomes after surgery for chronic subdural hematoma in patients with anticoagulation therapy for atrial fibrillation
Acta Neurochirurgica·2025· 6 citedOpen Access
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Frequent Co-authors

Juha Hernesniemi(35), Juha E. Jääskeläinen(20), Reza Dashti(12), Antti Ronkainen(11), Juhana Frösén(10), Martin Lehečka(10), Hanna Lehto(10), Riikka Tulamo(8), Timo Koivisto(8), Jaakko Rinne(8), Aki Laakso(7), Gabriël J.E. Rinkel(6), Seppo Juvela(6), Ynte M. Ruigrok(5), Anna Piippo(5), Gerard Tromp(4), Anders Paetau(4), Marko Kangasniemi(4), Hidetoshi Kasuya(4), Mikael von und zu Fraunberg(4)