20092019
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Publications 2009 2019

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2019

Characteristics and Long-Term Outcome of 127 Children With Cerebral Arteriovenous Malformations

Oulasvirta, E., Koroknay-Pal, P., Hafez, A., Abou Elseoud, A., Lehto, H. & Laakso, A., Jan 2019, In : Neurosurgery (Baltimore). 84, 1, p. 151-158 8 p.

Research output: Contribution to journalArticleScientificpeer-review

2018

Size of Ruptured Intracranial Aneurysms Is Decreasing: Twenty-Year Long Consecutive Series of Hospitalized Patients

Korja, M., Kivisaari, R., Jahromi, B. R. & Lehto, H., Mar 2018, In : Stroke. 49, 3, p. 746-749 4 p.

Research output: Contribution to journalArticleScientificpeer-review

2017

Anatomic Features of Paraclinoid Aneurysms: Computed Tomography Angiography Study of 144 Aneurysms in 136 Consecutive Patients

Rafiei, A., Hafez, A., Jahromi, B. R., Kivisaari, R., Canato, B., Choque, J., Colasanti, R., Fransua, S., Lehto, H., Andrade-Barazarte, H. & Hernesniemi, J., Dec 2017, In : Neurosurgery (Baltimore). 81, 6, p. 949-957 9 p.

Research output: Contribution to journalArticleScientificpeer-review

CTA analysis and assessment of morphological factors related to rupture in 413 posterior communicating artery aneurysms

Huhtakangas, J., Lehecka, M., Lehto, H., Jahromi, B. R., Niemela, M. & Kivisaari, R., Sep 2017, In : Acta Neurochirurgica. 159, 9, p. 1643-1652 10 p.

Research output: Contribution to journalArticleScientificpeer-review

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Natural History of Ruptured but Untreated Intracranial Aneurysms

Korja, M., Kivisaari, R., Jahromi, B. R. & Lehto, H., Apr 2017, In : Stroke. 48, 4, p. 1081-1084 4 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access

Size and location of ruptured intracranial aneurysms: consecutive series of 1993 hospital-admitted patients

Korja, M., Kivisaari, R., Jahromi, B. R. & Lehto, H., Oct 2017, In : Journal of Neurosurgery. 127, 4, p. 748-753 6 p.

Research output: Contribution to journalArticleScientificpeer-review

2016

Early Moderate Hyperoxemia Does Not Predict Outcome After Aneurysmal Subarachnoid Hemorrhage

Lang, M., Raj, R., Skrifvars, M. B., Koivisto, T., Lehto, H., Kivisaari, R., Fraunberg, M. V. U. Z., Reinikainen, M. & Bendel, S., Apr 2016, In : Neurosurgery (Baltimore). 78, 4, p. 540-545 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Factors Determining Surgical Approaches to Basilar Bifurcation Aneurysms and Its Surgical Outcomes

Tjahjadi, M., Kivelev, J., Serrone, J., Maekawa, H., Kerro, O., Jahromi, B. R., Lehto, H., Niemela, M. & Hernesniemi, J. A., Feb 2016, In : Neurosurgery (Baltimore). 78, 2, p. 181-191 11 p.

Research output: Contribution to journalArticleScientificpeer-review

Incidence of subarachnoid hemorrhage is decreasing together with decreasing smoking rates

Korja, M., Lehto, H., Juvela, S. & Kaprio, J., 13 Sep 2016, In : Neurology. 87, 11, p. 1118-1123 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access

Long-Term Causes of Death and Excess Mortality After Carotid Artery Ligation

Ibrahim, T. F., Jahromi, B. R., Miettinen, J., Raj, R., Andrade Barazarte, H., Goehre, F., Kivisaari, R., Lehto, H. & Hernesniemi, J., 2016, In : World Neurosurgery. 90, p. 116-122 7 p.

Research output: Contribution to journalArticleScientificpeer-review

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Posterior Cerebral Artery Aneurysms: Treatment and Outcome Analysis in 121 Patients

Goehre, F., Jahromi, B. R., Lehecka, M., Lehto, H., Kivisaari, R., Andrade-Barazarte, H., Ibrahim, T. F., Párraga, R. G., Ludtka, C., Meisel, H. J., Koivisto, T., Fraunberg, M. V. U. Z., Niemelä, M., Jääskeläinen, J. E. & Hernesniemi, J. A., Aug 2016, In : World Neurosurgery. 92, p. 521-532 12 p.

Research output: Contribution to journalArticleScientificpeer-review

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Presigmoid Approach to Vertebrobasilar Artery Aneurysms: A Series of 31 Patients and Review of the Literature

Tjahjadi, M., Niemelä, M., Kivelev, J., Serrone, J., Maekawa, H., Jahromi, B. R., Kerro, O., Hafez, A., Lehto, H., Kivisaari, R. & Hernesniemi, J., Aug 2016, In : World Neurosurgery. 92, p. 313-322 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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Shared Genetic Risk Factors of Intracranial, Abdominal, and Thoracic Aneurysms

van't Hof, F. N. G., Ruigrok, Y. M., Lee, C. H., Ripke, S., Anderson, G., de Andrade, M., Baas, A. F., Blankensteijn, J. D., Bottinger, E. P., Bown, M. J., Broderick, J., Bijlenga, P., Carrell, D. S., Crawford, D. C., Crosslin, D. R., Ebeling, C., Eriksson, J. G., Fornage, M., Foroud, T., von und zu Fraunberg, M. & 32 othersFriedrich, C. M., Gaal, E. I., Gottesman, O., Guo, D-C., Harrison, S. C., Hernesniemi, J., Hofman, A., Inoue, I., Jaaskelainen, J. E., Jones, G. T., Kiemeney, L. A. L. M., Kivisaari, R., Ko, N., Koskinen, S., Kubo, M., Kullo, I. J., Kuivaniemi, H., Kurki, M. I., Laakso, A., Lai, D., Leal, S. M., Lehto, H., LeMaire, S. A., Low, S-K., Malinowski, J., McCarty, C. A., Milewicz, D. M., Mosley, T. H., Nakamura, Y., Niemela, M., Aneurysm Consortium & Vasc Res Consortium New Zealand, Jul 2016, In : Journal of the American Heart Association. 5, 7, 19 p., 002603.

Research output: Contribution to journalArticleScientificpeer-review

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Surgical Clipping of Very Small Unruptured Intracranial Aneurysms: A Multicenter International Study

Bruneau, M., Amin-Hanjani, S., Koroknay-Pal, P., Bijlenga, P., Jahromi, B. R., Lehto, H., Kivisaari, R., Schaller, K., Charbel, F., Khan, S., Melot, C., Niemela, M. & Hernesniemi, J., Jan 2016, In : Neurosurgery (Baltimore). 78, 1, p. 47-52 6 p.

Research output: Contribution to journalArticleScientificpeer-review

The orbitozygomatic stich: A technical modification of the lateral supraorbital approach

Lazukova, M., Andrade-Barazarte, H., Makhamov, M., Kivelev, J., Goehre, F., Jahromi, B. R., Ibrahim, T. F., Araujo, R., Lehto, H. & Hernesniemi, J. A., 2016, In : Surgical Neurology International. 7, 4 p., 46.

Research output: Contribution to journalArticleScientificpeer-review

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2015

Contralateral Approach to Bilateral Middle Cerebral Artery Aneurysms: Comparative Study, Angiographic Analysis, and Surgical Results

Andrade-Barazarte, H., Kivelev, J., Goehre, F., Jahromi, B. R., Noda, K., Ibrahim, T. F., Kivisaari, R., Lehto, H., Niemela, M., Jaaskelainen, J. E. & Hernesniemi, J. A., Dec 2015, In : Neurosurgery (Baltimore). 77, 6, p. 916-926 11 p.

Research output: Contribution to journalArticleScientificpeer-review

Contralateral Approach to Internal Carotid Artery Ophthalmic Segment Aneurysms: Angiographic Analysis and Surgical Results for 30 Patients

Andrade-Barazarte, H., Kivelev, J., Goehre, F., Jahromi, B. R., Hijazy, F., Moliz, N., Gauthier, A., Kivisaari, R., Jaaskelainen, J. E., Lehto, H. & Hernesniemi, J. A., Jul 2015, In : Neurosurgery (Baltimore). 77, 1, p. 104-112 9 p.

Research output: Contribution to journalArticleScientificpeer-review

De novo giant A2 aneurysm following anterior communicating artery occlusion

Ibrahim, T. F., Hafez, A., Andrade-Barazarte, H., Raj, R., Niemelä, M., Lehto, H., Numminen, J., Järveläinen, J. & Hernesniemi, J., 2015, In : Surgical Neurology International. 6, p. S560-S565 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Double-Clip Technique for the Microneurosurgical Management of Very Small (<3 mm) Intracranial Aneurysms

Kiran, N. A. S., Jahromi, B. R., Choque-Velasquez, J., Hijazy, F., Goehre, F., Kivisaari, R., Siangprasertkij, C., Gallegos, L. F. M., Lehto, H. & Hernesniemi, J., Mar 2015, In : Operative neurosurgery. 11, 1, p. 3-7 5 p.

Research output: Contribution to journalArticleScientificpeer-review

Intracranial Vertebral Artery Aneurysms: Clinical Features and Outcome of 190 Patients

Lehto, H., Niemela, M., Kivisaari, R., Laakso, A., Jahromi, B. R., Hijazy, F., Andrade-Barazarte, H., Dashti, R. & Hernesniemi, J., Aug 2015, In : World Neurosurgery. 84, 2, p. 380-389 10 p.

Research output: Contribution to journalArticleScientificpeer-review

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Lateral supraorbital approach to ipsilateral PCA-P1 and ICA-PCoA aneurysms

Goehre, F., Jahromi, B. R., Elsharkawy, A., Lehto, H., Shekhtman, O., Andrade-Barazarte, H., Munoz, F., Hijazy, F., Makhkamov, M. & Hernesniemi, J., 2015, In : Surgical Neurology International. 6, p. 91

Research output: Contribution to journalArticleScientificpeer-review

Long-Term Excess Mortality After Aneurysmal Subarachnoid Hemorrhage Patients With Multiple Aneurysms at Risk

Huhtakangas, J., Lehto, H., Seppae, K., Kivisaari, R., Niemelä, M., Hernesniemi, J. & Lehecka, M., Jul 2015, In : Stroke. 46, 7, p. 1813-1818 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Risk factors for all-cause death after diagnosis of unruptured intracranial aneurysms

Juvela, S. & Lehto, H., 3 Feb 2015, In : Neurology. 84, 5, p. 456-463 8 p.

Research output: Contribution to journalArticleScientificpeer-review

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Subtemporal Approach to Posterior Cerebral Artery Aneurysms

Goehre, F., Lehecka, M., Jahromi, B. R., Lehto, H., Kivisaari, R., Hijazy, F., Nayeb, L., Sugimoto, T., Morishige, M., Elsharkawy, A., Fraunberg, M. V. U. Z., Jaaskelainen, J. E. & Hernesniemi, J. A., May 2015, In : World Neurosurgery. 83, 5, p. 842-851 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Transfusion Frequency of Red Blood Cells, Fresh Frozen Plasma, and Platelets During Ruptured Cerebral Aneurysm Surgery

Luostarinen, T., Lehto, H., Skrifvars, M. B., Kivisaari, R., Niemela, M., Hernesniemi, J., Randell, T. & Niemi, T., Aug 2015, In : World Neurosurgery. 84, 2, p. 446-450 5 p.

Research output: Contribution to journalArticleScientificpeer-review

Transient Cardiac Arrest Induced by Adenosine: A Tool for Contralateral Clipping of Internal Carotid Artery-Ophthalmic Segment Aneurysms

Andrade-Barazarte, H., Luostarinen, T., Goehre, F., Kivelev, J., Jahromi, B. R., Ludtka, C., Lehto, H., Raj, R., Ibrahim, T. F., Niemela, M., Jaaskelainen, J. E. & Hernesniemi, J. A., Dec 2015, In : World Neurosurgery. 84, 6, p. 1933-1940 8 p.

Research output: Contribution to journalArticleScientificpeer-review

2014

Anatomy and morphology of giant aneurysms-angiographic study of 125 consecutive cases

Nurminen, V., Lehecka, M., Chakrabarty, A., Kivisaari, R., Lehto, H., Niemela, M. & Hernesniemi, J., Jan 2014, In : Acta Neurochirurgica. 156, 1, p. 1-10 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Bypass surgery for complex middle cerebral artery aneurysms: impact of the exact location in the MCA tree

Kivipelto, L., Niemela, M., Meling, T., Lehecka, M., Lehto, H. & Hernesniemi, J., Feb 2014, In : Journal of Neurosurgery. 120, 2, p. 398-408 11 p.

Research output: Contribution to journalArticleScientificpeer-review

Characteristics of Posterior Cerebral Artery Aneurysms: An Angiographic Analysis of 93 Aneurysms in 81 Patients

Goehre, F., Jahromi, B. R., Hernesniemi, J., Elsharkawy, A., Kivisaari, R., Fraunberg, M. V. U. Z., Jaaskelainen, J., Lehto, H. & Lehecka, M., Aug 2014, In : Neurosurgery (Baltimore). 75, 2, p. 134-143 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Distal Posterior Inferior Cerebellar Artery Aneurysms: Clinical Features and Outcome of 80 Patients

Lehto, H., Harati, A., Niemela, M., Dashti, R., Laakso, A., Elsharkawy, A., Satopää, J., Billon-Grand, R., Canato, B., Kivisaari, R. & Hernesniemi, J., Nov 2014, In : World Neurosurgery. 82, 5, p. 702-713 12 p.

Research output: Contribution to journalArticleScientificpeer-review

Focused opening of the sylvian fissure for microsurgical management of MCA aneurysms

Elsharkawy, A., Niemela, M., Lehecka, M., Lehto, H., Jahromi, B. R., Goehre, F., Kivisaari, R. & Hernesniemi, J., Jan 2014, In : Acta Neurochirurgica. 156, 1, p. 17-25 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Genetic risk load according to the site of intracranial aneurysms

van 't Hof, F. N. G., Kurki, M. I., Kleinloog, R., de Bakker, P. I. W., Fraunberg, M. V. U. Z., Jaaskelainen, J. E., Gaal, E. I., Lehto, H., Kivisaari, R., Laakso, A., Niemela, M., Hernesniemi, J., Brouwer, M. C., van de Beek, D., Rinkel, G. J. E. & Ruigrok, Y. M., 1 Jul 2014, In : Neurology. 83, 1, p. 34-39 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Genome-Wide Association Study of Intracranial Aneurysm Identifies a New Association on Chromosome 7

Foroud, T., Lai, D., Koller, D., van't Hof, F., Kurki, M. I., Anderson, C. S., Brown, R. D., Connolly, E. S., Eriksson, J. G., Flaherty, M., Fornage, M., von und zu Fraunberg, M., Gaal, E. I., Laakso, A., Hernesniemi, J., Huston, J., Jaaskelainen, J. E., Kiemeney, L. A., Kivisaari, R., Kleindorfer, D. & 21 othersKo, N., Lehto, H., Mackey, J., Meissner, I., Moomaw, C. J., Mosley, T. H., Moskala, M., Niemela, M., Palotie, A., Pera, J., Rinkel, G., Ripke, S., Rouleau, G., Ruigrok, Y., Sauerbeck, L., Slowik, A., Vermeulen, S. H., Woo, D., Worrall, B. B., Broderick, J. & Familial Intracranial, Nov 2014, In : Stroke. 45, 11, p. 3194-3199 6 p.

Research output: Contribution to journalArticleScientificpeer-review

High Risk Population Isolate Reveals Low Frequency Variants Predisposing to Intracranial Aneurysms

Kurki, M. I., Gaal, E. I., Kettunen, J., Lappalainen, T., Menelaou, A., Anttila, V., van't Hof, F. N. G., von und zu Fraunberg, M., Helisalmi, S., Hiltunen, M., Lehto, H., Laakso, A., Kivisaari, R., Koivisto, T., Ronkainen, A., Rinne, J., Kiemeney, L. A. L., Vermeulen, S. H., Kaunisto, M. A., Eriksson, J. G. & 15 othersAromaa, A., Perola, M., Lehtimaki, T., Raitakari, O. T., Salomaa, V., Gunel, M., Dermitzakis, E. T., Ruigrok, Y. M., Rinkel, G. J. E., Niemela, M., Hernesniemi, J., Ripatti, S., de Bakker, P. I. W., Palotie, A. & Jaaskelainen, J. E., Jan 2014, In : PLoS Genetics. 10, 1, 12 p., 1004134.

Research output: Contribution to journalArticleScientificpeer-review

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Lifelong Rupture Risk of Intracranial Aneurysms Depends on Risk Factors A Prospective Finnish Cohort Study

Korja, M., Lehto, H. & Juvela, S., Jul 2014, In : Stroke. 45, 7, p. 1958-1963 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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Prospectrive Flutemetamol Positron Emission Tomography and Histopathollogy in Normal Pressure Hydrocephalus

Rinne, J. O., Frantzen, J., Leinonen, V., Lonnrot, K., Laakso, A., Virtanen, K. A., Solin, O., Kotkansalo, A., Koivisto, A., Sajanti, J., Karppinen, A., Lehto, H., Rummukainen, J., Buckley, C., Smith, A., Jones, P. A., Sherwin, P., Farrar, G., McLain, R., Kailajarvi, M. & 1 othersGrachev, I. D., 2014, In : Neurodegenerative Diseases. 13, 4, p. 237-245 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Seventy Aneurysms of the Posterior Inferior Cerebellar Artery: Anatomical Features and Value of Computed Tomography Angiography in Microneurosurgery

Lehto, H., Kivisaari, R., Niemela, M., Dashti, R., Elsharkawy, A., Harati, A., Satopää, J., Koroknay-Pal, P., Laakso, A. & Hernesniemi, J., Dec 2014, In : World Neurosurgery. 82, 6, 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Tiny But Significant: Perforators in Aneurysm Surgery

Lehto, H. & Hernesniemi, J., Nov 2014, In : World Neurosurgery. 82, 5, p. 591-592 2 p.

Research output: Contribution to journalArticleScientific

2013

Anatomic Risk Factors for Middle Cerebral Artery Aneurysm Rupture: Computed Tomography Angiography Study of 1009 Consecutive Patients

Elsharkawy, A., Lehecka, M., Niemela, M., Kivelev, J., Billon-Grand, R., Lehto, H., Kivisaari, R. & Hernesniemi, J., Nov 2013, In : Neurosurgery (Baltimore). 73, 5, p. 825-836 12 p.

Research output: Contribution to journalArticleScientificpeer-review

A New, More Accurate Classification of Middle Cerebral Artery Aneurysms: Computed Tomography Angiographic Study of 1009 Consecutive Cases With 1309 Middle Cerebral Artery Aneurysms

Elsharkawy, A., Lehecka, M., Niemela, M., Billon-Grand, R., Lehto, H., Kivisaari, R. & Hernesniemi, J., Jul 2013, In : Neurosurgery (Baltimore). 73, 1, p. 94-102 9 p.

Research output: Contribution to journalArticleScientificpeer-review

De Novo and Recurrent Aneurysms in Pediatric Patients With Cerebral Aneurysms

Koroknay-Pal, P., Niemelä, M. R., Lehto, H., Kivisaari, R., Numminen, J., Laakso, A. & Hernesniemi, J., May 2013, In : Stroke. 44, 5, p. 1436+ 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Natural History of Unruptured Intracranial Aneurysms A Long-term Follow-up Study

Juvela, S., Poussa, K., Lehto, H. & Porras, M., Sep 2013, In : Stroke. 44, 9, p. 2414-2421 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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2012

Long-term outcome of 114 children with cerebral aneurysms

Koroknay-Pal, P., Lehto, H., Niemela, M., Kivisaari, R. & Hernesniemi, J., 2012, In : Journal of neurosurgery. Pediatrics. 9, 6, p. 636-645 10 p.

Research output: Contribution to journalArticleScientificpeer-review

2011

Microsurgery for Previously Coiled Aneurysms: Experience With 81 Patients

Romani, R., Lehto, H., Laakso, A., Horcajadas, A., Kivisaari, R., Fraunberg, M. V. U. Z., Niemela, M., Rinne, J. & Hernesniemi, J., 2011, In : Neurosurgery (Baltimore). 68, 1, p. 140-153 14 p.

Research output: Contribution to journalArticleScientificpeer-review

Post-Traumatic Frontal and Parieto-Occipital Extradural Haematomas: a Retrospective Analysis of 41 Patients and Review of the Literature

Balik, V., Lehto, H., Hoza, D., Phornsuwannapha, S., Toninelli, S., Romani, R., Sulla, I. & Hernesniemi, J., 2011, In : Central European Neurosurgery. 72, 4, p. 169-175 7 p.

Research output: Contribution to journalArticleScientificpeer-review

2010

Posterior Fossa Extradural Haematomas

Balik, V., Lehto, H., Hoza, D., Sulla, I. & Hernesniemi, J., 2010, In : Central European Neurosurgery. 71, 4, p. 167-172 6 p.

Research output: Contribution to journalArticleScientificpeer-review

2009

Microneuro surgical management of internal carotid artery bifurcation aneurysms

Lehecka, M., Dashti, R., Romani, R., Celik, O., Navratil, O., Kivipelto, L., Kivisaari, R., Shen, H., Ishii, K., Karatas, A., Lehto, H., Kokuzawa, J., Niemela, M., Rinne, J., Ronkainen, A., Koivisto, T., Jaaskelainen, J. E. & Hernesniemi, J., Jun 2009, In : Surgical Neurology. 71, 6, p. 649-667 19 p.

Research output: Contribution to journalArticleScientificpeer-review

Vascular clamp-assisted clipping of thick-walled giant aneurysms

Navratil, O., Lehecka, M., Lehto, H., Dashti, R., Kivisaari, R., Niemelä, M. & Hernesniemi, J., 2009, In : Neurosurgery (Baltimore). 64, p. 113-121 9 p.

Research output: Contribution to journalArticleScientificpeer-review