Olli-Pekka Kämäräinen - UEFConnect

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Intracranial Aneurysm Group 01.01.2022 -

Publications

19/19 items

The predictive role of family history of antipsychotic drug use in poor outcomes following aneurysmal subarachnoid hemorrhage (aSAH)
Paavola, Juho; Huuskonen, Terhi; von und zu Fraunberg, Mikael; Koivisto, Timo; Kämäräinen, Olli Pekka; Lång, Maarit; Lähteenvuo, Markku; Jääskeläinen, Juha E; Huttunen, Jukka; Lindgren, Antti, 2025, Brain and spine, 5, 104317. A1 Journal article (refereed), original research
Acute evacuation of 54 intracerebral hematomas (aICH) during the microsurgical clipping of a ruptured middle cerebral artery bifurcation aneurysm-illustration of the individual clinical courses and outcomes with a serial brain CT/MRI panel until 12 months
Autio, Anniina H; Paavola, Juho; Tervonen, Joona; Lang, Maarit; Elomaa, Antti-Pekka; Huuskonen, Terhi J; Huttunen, Jukka; Karkkainen, Virve; von und zu Fraunberg, Mikael; Lindgren, Antti E; Koivisto, Timo; Kurola, Jouni; Jääskeläinen, Juha E; Kämäräinen, Olli-Pekka, 2024, Acta neurochirurgica, 166, 1, 17. A1 Journal article (refereed), original research
Long-term Risk of Epilepsy in Subarachnoid Hemorrhage Survivors With Positive Family History: A Population-Based Follow-up Study
Paavola, Juho Tapio; Jokimäki, Jenna; Huttunen, Terhi Johanna; Fraunberg, Mikael von Und Zu; Koivisto, Timo; Kämäräinen, Olli-Pekka; Lång, Maarit; Jääskeläinen, Juha Eerik; Kälviäinen, Reetta; Lindgren, Antti Elias; Huttunen, Jukka, 2023, Neurology, 101, 16, e1623-e1632. A1 Journal article (refereed), original research
Should individual timeline and serial CT/MRI panels of all patients be presented in acute brain insult cohorts? A pilot study of 45 patients with decompressive craniectomy after aneurysmal subarachnoid hemorrhage
Autio, Anniina H; Paavola, Juho; Tervonen, Joona; Lång, Maarit; Huuskonen, Terhi J; Huttunen, Jukka; Kärkkäinen, Virve; Fraunberg, Mikael von und zu; Lindgren, Antti E; Koivisto, Timo; Kurola, Jouni; Jaaskelainen, Juha E; Kamarainen, Olli-Pekka, 2023, Acta neurochirurgica, 165, 11, 3299-3323. A1 Journal article (refereed), original research
Detection improvement of gliomas in hyperspectral imaging of protoporphyrin IX fluorescence – in vitro comparison of visual identification and machine thresholds
Lehtonen, Samu JR; Vrzakova, Hana; Paterno, Jussi J; Puustinen, Sami; Bednarik, Roman; Hauta-Kasari, Markku; Haneishi, Hideaki; Immonen, Arto; Jääskeläinen, Juha E; Kämäräinen, Olli-Pekka; Elomaa, Antti-Pekka, 2022, Cancer treatment and research communications, 32, 100615. A1 Journal article (refereed), original research
Endoscopic third ventriculostomy for adults with hydrocephalus: creating a prognostic model for success: protocol for a retrospective multicentre study (Nordic ETV)
Tefre, Sondre; Lilja-Cyron, Alexander; Arvidsson, Lisa; Bartek, Jiri; Corell, Alba; Forsse, Axel; Glud, Andreas Norgaard; Abu Hamdeh, Sami; Hansen, Frederik Lundgaard; Huotarinen, Antti; Johansson, Conny; Kämäräinen, Olli-Pekka; Korhonen, Tommi; Kotkansalo, Anna; Mansoor, Nadia Mauland; Mireles, Eduardo Erasmo Mendoza; Miscov, Rares; Munthe, Sune; Nittby-Redebrandt, Henrietta; Obad, Nina; Pedersen, Lars Kjelsberg; Posti, Jussi; Raj, Rahul; Satopaa, Jarno; Stahl, Nils; Tetri, Sami; Tobieson, Lovi, 2022, BMJ open, 12, 1, e055570. A1 Journal article (refereed), original research
Position-dependent pressure pneumocephalus after transsphenoidal surgery: illustrative case
Kämäräinen, Olli-Pekka; Kemppainen, Tatu; Penttilä, Elina; Varis, Joona, 2022, Journal of neurosurgery : case lessons, 3, 14, 1-4. A1 Journal article (refereed), original research
The effect of antithrombotic therapy on the recurrence and outcome of chronic subdural hematoma after burr-hole craniostomy in a population-based cohort
Kerttula, Santtu; Huttunen, Jukka; Leinonen, Ville; Kämäräinen, Olli Pekka; Danner, Nils, 2022, Acta neurochirurgica, 164, 10, 2699-2708. A1 Journal article (refereed), original research
Clinical condition of 120 patients alive at 3 years after poor-grade aneurysmal subarachnoid hemorrhage
Autio, Anniina H; Paavola, Juho; Tervonen, Joona; Lang, Maarit; Huuskonen, Terhi J; Huttunen, Jukka; Kärkkäinen, Virve; von und zu Fraunberg, Mikael; Lindgren, Antti E; Koivisto, Timo; Jääskeläinen, Juha E; Kämäräinen, Olli-Pekka, 2021, Acta neurochirurgica, 163, 4, 1153-1166. A1 Journal article (refereed), original research
Shunt performance in 349 patients with hydrocephalus after aneurysmal subarachnoid hemorrhage
Tervonen, Joona; Adams, Hadie; Lindgren, Antti; Elomaa, Antti-Pekka; Kämäräinen, Olli-Pekka; Kärkkäinen, Virve; von und zu Fraunberg, Mikael; Huttunen, Jukka; Koivisto, Timo; Jääskeläinen, Juha E.; Leinonen, Ville; Huuskonen, Terhi J., 2021, Acta neurochirurgica, 163, 10, 2703-2714. A1 Journal article (refereed), original research
Surgically treated C1 fractures: a population-based study
Ylönen, Henri; Danner, Nils; Jyrkkänen, Henna-Kaisa; Kämäräinen, Olli-Pekka; Leinonen, Ville; Huttunen, Jukka, 2021, World neurosurgery, 154, e333-e342. A1 Journal article (refereed), original research
Lack of Impact of Polycystic Kidney Disease on the Outcome of Aneurysmal Subarachnoid Hemorrhage: A Matched Case-Control Study
Nurmonen; Heidi J; Huttunen, Terhi; Huttunen, Jukka; Kurtelius, Arttu; Kotikoski, Satu; Junkkari, Antti; Koivisto, Timo; von Und Zu Fraunberg, Mikael; Kämäräinen, Olli-Pekka; Lång, Maarit; Isoniemi, Helena; Jääskeläinen, Juha E; Lindgren, Antti E, 2020, Journal of neurosurgery, 134, 6, 1871-1878. A1 Journal article (refereed), original research
Analgesic Use after Aneurysmal Subarachnoid Hemorrhage: A Population-Based Case-Control Study of 1,187 Patients
Lindlöf, M; Lindgren, A; Paavola, J; Väntti, N; von und zu Fraunberg, M; Koivisto, T; Jääskeläinen, JE; Kämäräinen, OP; Huttunen, J, 2019, World neurosurgery, 126, e1276-e1286. A1 Journal article (refereed), original research
Antipsychotic Use Among 1144 Patients After Aneurysmal Subarachnoid Hemorrhage
Paavola, JT; Väntti, N; Junkkari, A; Huttunen, TJ; von und zu Fraunberg, M; Koivisto, T; Kämäräinen, OP; Lång, M; Meretoja, A; Räikkönen, K; Viinamäki, H; Jääskeläinen, JE; Huttunen, J; Lindgren, AE, 2019, Stroke, 50, 7, 1711-1718. A1 Journal article (refereed), original research
Association of Intracranial Aneurysms With Aortic Aneurysms in 125 Patients With Fusiform and 4253 Patients With Saccular Intracranial Aneurysms and Their Family Members and Population Controls
Kurtelius, A; Väntti, N; Rezai Jahromi, B; Tähtinen, O; Manninen, H; Koskenvuo, J; Tulamo, R; Kotikoski, S; Nurmonen, H; Kämäräinen, O-P; Huttunen, T; Huttunen, J; von und zu Fraunberg, M; Koivisto, T; Jääskeläinen, JE; Lindgren, AE, 2019, Journal of the american heart association: Cardiovascular and cerebrovascular disease, 8, 18, e013277. A1 Journal article (refereed), original research
Aivokuolema ja elinluovutus
Kämäräinen, Olli-Pekka; Lång, Maarit; Jääskeläinen, Juha E, 2018, Leppäniemi, Ari; Kuokkanen, Hannu; Salminen, Pauliina, Kirurgia, 885-890. D2 Article in a professional book (incl. an introduction by the editor)
Alterations in mitochondria-endoplasmic reticulum connectivity in human brain biopsies from idiopathic normal pressure hydrocephalus patients
Leal, NS; Dentoni, G; Schreiner, B; Kämäräinen, OP; Partanen, N; Herukka, SK; Koivisto, AM; Hiltunen, M; Rauramaa, T; Leinonen, V; Ankarcrona, M, 2018, Acta neuropathologica communications, 6, 102. A1 Journal article (refereed), original research
Identification of potential organ donors after aneurysmal subarachnoid hemorrhage in a population-based neurointensive care in Eastern Finland
Kämäräinen, OP; Huttunen, J; Lindgren, A; Lång, M; Bendel, S; Uusaro, A; Parviainen, I; Koivisto, T; Isoniemi, H; Jääskeläinen, JE, 2018, Acta neurochirurgica, 160, 8, 1507-1514. A1 Journal article (refereed), original research
Kohonnut kallonsisäinen paine
Kämäräinen, Olli-Pekka; Lång, Maarit; Koivisto, Timo; Jääskeläinen, Juha E, 2018, Jousimaa, Jukkapekka; Alenius, Heidi; Atula, Sari; Berghem, Nora; Kattainen, Anna; Kunnamo, Ilkka; Pelttari, Hanna; Teikar, Martti, Lääkärin käsikirja [online]. D2 Article in a professional book (incl. an introduction by the editor)