JamesPatrickKlaasMD

Neurology • Rochester, MN

Vascular Neurology

Assistant Professor of Neurology, Mayo Clinic

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Office
200 1st Street SW
Rochester, MN 55905
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Education & Training

Mayo Clinic College of Medicine and ScienceFellowship, Vascular Neurology, 2013 - 2014
Mayo Clinic College of Medicine and Science (Rochester)Residency, Neurology, 2010 - 2013
Mayo Clinic College of Medicine and Science (Rochester)Internship, Internal Medicine, 2009 - 2010
University of Minnesota Medical SchoolClass of 2009

Certifications & Licensure

FL State Medical License 2017 - 2026
AZ State Medical License 2012 - 2026
ND State Medical License 2019 - 2025
IA State Medical License 2014 - 2025
WI State Medical License 2014 - 2025
MN State Medical License 2010 - 2024
PA State Medical License 2022 - 2024
GA State Medical License 2021 - 2024
MI State Medical License 2018 - 2022
MO State Medical License 2017 - 2019
SC State Medical License 2018 - 2019
American Board of Psychiatry and Neurology Neurology
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Publications & Presentations

PubMed

Concurrent Moyamoya-like Intracranial Steno-Occlusive Disease and Dural Arteriovenous Fistulas.
Vaishnavi L Rao, Jee Won Shin, James P Klaas, Giuseppe Lanzino> ;AJNR. American Journal of Neuroradiology. 2024 May 2
Neuropsychiatric Symptoms of Moyamoya Disease: Considerations for the Clinician.
Carlee I Oakley, Giuseppe Lanzino, James P Klaas> ;Neuropsychiatric Disease and Treatment. 2024 Jan 1
Teaching Video NeuroImage: Inverted Patellar Reflex Localizes the Site of Spinal Epidural Arteriovenous Fistula.
Elke Schipani Bailey, Christopher Y Itoh, Giuseppe Lanzino, James Klaas, Marcus V Pinto> ;Neurology. 2023 Oct 24
1 citations
Automated CT angiography collateral scoring in anterior large vessel occlusion stroke: A multireader study.
Mohamed Sobhi Jabal, David F Kallmes, George Harston, Norbert Campeau, Kara Schwartz, Steven Messina, Carrie Carr, John Benson, Jason Little, Alex Nagelschneider, Ajay...> ;Interventional Neuroradiology. 2023 Jan 17
Impact of e-ASPECTS software on the performance of physicians compared to a consensus ground truth: a multi-reader, multi-case study.
Hassan Kobeissi, David F Kallmes, John Benson, Alex Nagelschneider, Ajay Madhavan, Steven A Messina, Kara Schwartz, Norbert Campeau, Carrie M Carr, Deena M Nasr, Sherr...> ;Frontiers in Neurology. 2023 Jan 1
Nonstenotic Carotid Plaques and Embolic Stroke of Undetermined Source: A Multimodality Review.
A S Larson, W Brinjikji, A Lekah, J P Klaas, G Lanzino, J Huston, L Saba, J C Benson> ;AJNR. American Journal of Neuroradiology. 2023 Feb 1
1 citations
Vessel wall imaging features of Moyamoya disease in a North American population: patterns of negative remodelling, contrast enhancement, wall thickening, and stenosis.
Anthony S Larson, James P Klaas, Matthew P Johnson, John C Benson, Darya Shlapak, Giuseppe Lanzino, Luis E Savastano, Vance T Lehman> ;BMC Medical Imaging. 2022 Nov 17
Extensive intraluminal thrombus involving the extracranial internal carotid artery.
Erika L Weil, James P Klaas> ;Practical Neurology. 2022 Aug 1
2 citations
Dynamic Vertebral Artery Compression by Solitary Osteochondroma Presenting With Recurrent Posterior Circulation Strokes.
Soliman Oushy, Michelle Clarke, Luis E Savastano, Waleed Brinjikji, James P Klaas> ;Stroke. 2022 Aug 1
1 citations
Change of Heart: The Underexplored Role of Plaque Hemorrhage in the Evaluation of Stroke of Undetermined Etiology.
David R Holmes Jr, Mohamad Adnan Alkhouli, James P Klaas, Waleed Brinjikji, Luis E Savastano, Giuseppe Lanzino, John C Benson> ;Journal of the American Heart Association. 2022 May 3
1 citations
Comparison of Stroke Risk Factors between Symptomatic and Asymptomatic Patients in a North American Moyamoya Disease Cohort.
Mukaish Kumar, Anthony Larson, Mohamed Sobhi Jabal, Luis Savastano, Giuseppe Lanzino, Fredric Meyer, Vance Lehman, James Klaas, Rinaldo, L.> ;Cerebrovascular Diseases Extra. 2022 Jan 1
4 citations
Evaluation and treatment of headache associated with moyamoya disease - a narrative review.
Chia-Chun Chiang, A Shahid, Andrea M. Harriott, Gretchen E. Tietjen, Luis E. Savastano, James P. Klaas, Giuseppe Lanzino> ;Cephalalgia. 2021 Nov 17
15 citations
Stroke Risk before and after Central Retinal Artery Occlusion: A Population-based Analysis.
Kevin D. Chodnicki, Laurel B. Tanke, Jose S. Pulido, David O. Hodge, James P. Klaas, Timothy W. Olsen, M. Tariq Bhatti, John J. Chen> ;Ophthalmology. 2021 Jul 23
Harry Lee Parker: Games Lost and Won on the Playing Fields of Neurology.
Christopher J. Boes, James P. Klaas, W. Oliver Tobin, Eoin P. Flanagan, Andrew McKeon, Sherri A. Braksick, David B. Burkholder, Derek Stitt, Jeremy K. Cutsforth-Gregory> ;Mayo Clinic Proceedings. Innovations, Quality & Outcomes. 2021 Jul 15
3 citations
Carotid Intraplaque Hemorrhage: An Underappreciated Cause of Unexplained Recurrent Stroke.
Mohamad Alkhouli, David R. Holmes, James P. Klaas, G. Lanzino, John C. Benson> ;JACC. Cardiovascular Interventions. 2021 Sep 13
Letter to the Editor. Cerebral arteriopathy and the ACTA2 mutation.
Anthony S. Larson, Lorenzo Rinaldo, Waleed Brinjikji, James P. Klaas> ;Journal of Neurosurgery. Pediatrics. 2021 May 14
16 citations
e-ASPECTS software improves interobserver agreement and accuracy of interpretation of aspects score:
Waleed Brinjikji, Mehdi Abbasi, Catherine Arnold, John C. Benson, Sherry A Braksick, Norbert G. Campeau, Carrie M. Carr, Petrice M. Cogswell, James P. Klaas, Greta B. ...> ;Interventional Neuroradiology. 2021 Apr 14
6 citations
Intracranial microhemorrhages in the setting of COVID-19: what we know so far.
John C. Benson, Christopher H. Hunt, James P. Klaas, David F. Kallmes> ;The Neuroradiology Journal. 2021 Mar 26
The Frequency of Carotid Intraplaque Hemorrhage on Vessel Wall Imaging in Patients With Retinal Artery Occlusion: A Cross-Sectional Prevalence Study.
Anthony S. Larson, John J. Chen, M. Tariq Bhatti, James P. Klaas, Giuseppe Lanzino, John Huston, Waleed Brinjikji> ;Journal of Neuro-Ophthalmology. 2021 Dec 1
1 citations
Implementation and Rationale for a Unified Clinical and Imaging Protocol for Evaluation and Treatment of Moyamoya Angiopathy: A Single Institutional Experience.
Anthony S. Larson, Vance T. Lehman, Luis E. Savastano, Giuseppe Lanzino, Norbert G. Campeau, Kirk M. Welker, James P. Klaas> ;Frontiers in Neurology. 2021 May 17
Neurologic complications of diseases of the aorta.
Stephen W. English, James P. Klaas> ;Handbook of Clinical Neurology. 2021 Jan 1
3 citations
Reciprocal Development and Progressive Responsibility: The History of the Mayo Clinic Neurology Residency
Christopher J. Boes, David B. Burkholder, Elizabeth A. Coon, Jeremy K. Cutsforth-Gregory, James P. Klaas, Lyell K. Jones> ;Mayo Clinic Proceedings. Innovations, Quality & Outcomes. 2020 Oct 1
2 citations
Promoting Well-being Among Neurology Residents: A Data-Driven Approach.
Vijay K. Ramanan, Jery D. Inbarasu, Lauren Jackson, Lyell K. Jones, James P. Klaas> ;Mayo Clinic Proceedings. Innovations, Quality & Outcomes. 2020 Oct 6
Response to letter to the editor: High prevalence of pro-thrombotic conditions in adult patients with moyamoya disease and moyamoya syndrome: a single center study.
Anthony S. Larson, James P. Klaas> ;Acta Neurochirurgica. 2020 Sep 4
1 citations
Cardiac manifestations in a western moyamoya disease population: a single-center descriptive study and review
Anthony S. Larson, Luis E. Savastano, James P. Klaas, Giuseppe Lanzino> ;Neurosurgical Review. 2021 Jun 1
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Press Mentions

Reciprocal Development and Progressive Responsibility: The History of the Mayo Clinic Neurology ResidencyOctober 6th, 2020

Hospital Affiliations

Mayo Clinic Hospital - RochesterRochester, Minnesota