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Items: 1 to 50 of 86

1.

Analysis of adverse effects of stimulation during DBS surgery by patient-specific FEM simulations.

Shah AA, Alonso F, Vogel D, Wardell K, Coste J, Lemaire JJ, Pison D, Hemm S.

Conf Proc IEEE Eng Med Biol Soc. 2018 Jul;2018:2222-2225. doi: 10.1109/EMBC.2018.8512796.

PMID:
30440847
2.

5-ALA fluorescence and laser Doppler flowmetry for guidance in a stereotactic brain tumor biopsy.

Haj-Hosseini N, Richter JCO, Milos P, Hallbeck M, Wårdell K.

Biomed Opt Express. 2018 Apr 20;9(5):2284-2296. doi: 10.1364/BOE.9.002284. eCollection 2018 May 1.

3.

Electric Field Comparison between Microelectrode Recording and Deep Brain Stimulation Systems-A Simulation Study.

Alonso F, Vogel D, Johansson J, Wårdell K, Hemm S.

Brain Sci. 2018 Feb 6;8(2). pii: E28. doi: 10.3390/brainsci8020028.

4.

Optical Measurements during Deep Brain Stimulation Lead Implantation: Safety Aspects.

Zsigmond P, Hemm-Ode S, Wårdell K.

Stereotact Funct Neurosurg. 2017;95(6):392-399. doi: 10.1159/000484944. Epub 2018 Jan 5.

5.

Optical monitoring of cerebral microcirculation in neurointensive care.

Rejmstad P, Haj-Hosseini N, Åneman O, Wårdell K.

Med Biol Eng Comput. 2018 Jul;56(7):1201-1210. doi: 10.1007/s11517-017-1725-8. Epub 2017 Dec 8.

6.

Auditory display for fluorescence-guided open brain tumor surgery.

Black D, Hahn HK, Kikinis R, Wårdell K, Haj-Hosseini N.

Int J Comput Assist Radiol Surg. 2018 Jan;13(1):25-35. doi: 10.1007/s11548-017-1667-5. Epub 2017 Sep 19.

7.

Refining the Deep Brain Stimulation Target within the Limbic Globus Pallidus Internus for Tourette Syndrome.

Akbarian-Tefaghi L, Akram H, Johansson J, Zrinzo L, Kefalopoulou Z, Limousin P, Joyce E, Hariz M, Wårdell K, Foltynie T.

Stereotact Funct Neurosurg. 2017;95(4):251-258. doi: 10.1159/000478273. Epub 2017 Aug 5.

8.

RadB acts in homologous recombination in the archaeon Haloferax volcanii, consistent with a role as recombination mediator.

Wardell K, Haldenby S, Jones N, Liddell S, Ngo GHP, Allers T.

DNA Repair (Amst). 2017 Jul;55:7-16. doi: 10.1016/j.dnarep.2017.04.005. Epub 2017 Apr 26.

9.

Oxygen saturation estimation in brain tissue using diffuse reflectance spectroscopy along stereotactic trajectories.

Rejmstad P, Zsigmond P, Wårdell K.

Opt Express. 2017 Apr 3;25(7):8192-8201. doi: 10.1364/OE.25.008192.

PMID:
28380934
10.

Combination of hand-held probe and microscopy for fluorescence guided surgery in the brain tumor marginal zone.

Richter JCO, Haj-Hosseini N, Hallbeck M, Wårdell K.

Photodiagnosis Photodyn Ther. 2017 Jun;18:185-192. doi: 10.1016/j.pdpdt.2017.01.188. Epub 2017 Feb 20.

11.

Patient-Specific Electric Field Simulations and Acceleration Measurements for Objective Analysis of Intraoperative Stimulation Tests in the Thalamus.

Hemm S, Pison D, Alonso F, Shah A, Coste J, Lemaire JJ, Wårdell K.

Front Hum Neurosci. 2016 Nov 25;10:577. eCollection 2016.

12.

Investigation into Deep Brain Stimulation Lead Designs: A Patient-Specific Simulation Study.

Alonso F, Latorre MA, Göransson N, Zsigmond P, Wårdell K.

Brain Sci. 2016 Sep 7;6(3). pii: E39. doi: 10.3390/brainsci6030039.

13.

Loss of expression of BAP1 is very rare in non-small cell lung carcinoma.

Andrici J, Parkhill TR, Jung J, Wardell KL, Verdonk B, Singh A, Sioson L, Clarkson A, Watson N, Sheen A, Farzin M, Toon CW, Gill AJ.

Pathology. 2016 Jun;48(4):336-40. doi: 10.1016/j.pathol.2016.03.005. Epub 2016 Apr 21.

PMID:
27114369
14.

A method for monitoring of oxygen saturation changes in brain tissue using diffuse reflectance spectroscopy.

Rejmstad P, Johansson JD, Haj-Hosseini N, Wårdell K.

J Biophotonics. 2017 Mar;10(3):446-455. doi: 10.1002/jbio.201500334. Epub 2016 Apr 20.

PMID:
27094015
15.

Loss of BAP1 expression is very rare in peritoneal and gynecologic serous adenocarcinomas and can be useful in the differential diagnosis with abdominal mesothelioma.

Andrici J, Jung J, Sheen A, D'Urso L, Sioson L, Pickett J, Parkhill TR, Verdonk B, Wardell KL, Singh A, Clarkson A, Watson N, Toon CW, Gill AJ.

Hum Pathol. 2016 May;51:9-15. doi: 10.1016/j.humpath.2015.12.012. Epub 2015 Dec 29.

PMID:
27067777
16.

High-Resolution Laser Doppler Measurements of Microcirculation in the Deep Brain Structures: A Method for Potential Vessel Tracking.

Wårdell K, Hemm-Ode S, Rejmstad P, Zsigmond P.

Stereotact Funct Neurosurg. 2016;94(1):1-9. doi: 10.1159/000442894. Epub 2016 Jan 22.

17.

A physical action potential generator: design, implementation and evaluation.

Latorre MA, Chan AD, Wårdell K.

Front Neurosci. 2015 Oct 20;9:371. doi: 10.3389/fnins.2015.00371. eCollection 2015.

18.

Loss of expression of BAP1 is a useful adjunct, which strongly supports the diagnosis of mesothelioma in effusion cytology.

Andrici J, Sheen A, Sioson L, Wardell K, Clarkson A, Watson N, Ahadi MS, Farzin M, Toon CW, Gill AJ.

Mod Pathol. 2015 Oct;28(10):1360-8. doi: 10.1038/modpathol.2015.87. Epub 2015 Jul 31.

19.

A laser Doppler system for monitoring cerebral microcirculation: implementation and evaluation during neurosurgery.

Rejmstad P, Åkesson G, Åneman O, Wårdell K.

Med Biol Eng Comput. 2016 Jan;54(1):123-31. doi: 10.1007/s11517-015-1332-5. Epub 2015 Jun 24.

20.

Low dose 5-aminolevulinic acid: Implications in spectroscopic measurements during brain tumor surgery.

Haj-Hosseini N, Richter JC, Hallbeck M, Wårdell K.

Photodiagnosis Photodyn Ther. 2015 Jun;12(2):209-14. doi: 10.1016/j.pdpdt.2015.03.004. Epub 2015 Mar 26.

PMID:
25818546
21.

Relationship between neural activation and electric field distribution during deep brain stimulation.

Astrom M, Diczfalusy E, Martens H, Wardell K.

IEEE Trans Biomed Eng. 2015 Feb;62(2):664-672. doi: 10.1109/TBME.2014.2363494. Epub 2014 Oct 23.

22.

Deep brain stimulation of the pallidum internum for Gilles de la Tourette syndrome: a patient-specific model-based simulation study of the electric field.

Wårdell K, Kefalopoulou Z, Diczfalusy E, Andersson M, Åström M, Limousin P, Zrinzo L, Hariz M.

Neuromodulation. 2015 Feb;18(2):90-6. doi: 10.1111/ner.12248. Epub 2014 Oct 6.

PMID:
25284508
23.

Homeostatic regulation of meiotic DSB formation by ATM/ATR.

Cooper TJ, Wardell K, Garcia V, Neale MJ.

Exp Cell Res. 2014 Nov 15;329(1):124-31. doi: 10.1016/j.yexcr.2014.07.016. Epub 2014 Jul 27. Review.

PMID:
25116420
24.

A diffusion tensor-based finite element model of microdialysis in the deep brain.

Diczfalusy E, Andersson M, Wårdell K.

Comput Methods Biomech Biomed Engin. 2015;18(2):201-12. doi: 10.1080/10255842.2013.789103. Epub 2013 Apr 29.

PMID:
23627319
25.

Simulations and visualizations for interpretation of brain microdialysis data during deep brain stimulation.

Diczfalusy E, Dizdar N, Zsigmond P, Kullman A, Loyd D, Wårdell K.

Conf Proc IEEE Eng Med Biol Soc. 2012;2012:6438-41. doi: 10.1109/EMBC.2012.6347468.

PMID:
23367403
26.

A laser Doppler system for monitoring of intracerebral microcirculation.

Rejmstad P, Åkesson G, Hillman J, Wårdell K.

Conf Proc IEEE Eng Med Biol Soc. 2012;2012:1988-91. doi: 10.1109/EMBC.2012.6346346.

PMID:
23366307
27.

Relationship between laser Doppler signals and anatomy during deep brain stimulation electrode implantation toward the ventral intermediate nucleus and subthalamic nucleus.

Wårdell K, Zsigmond P, Richter J, Hemm S.

Neurosurgery. 2013 Jun;72(2 Suppl Operative):ons127-40; discussion ons140. doi: 10.1227/NEU.0b013e31827e5821.

28.

Intracerebral quantitative chromophore estimation from reflectance spectra captured during deep brain stimulation implantation.

Johansson JD, Wårdell K.

J Biophotonics. 2013 May;6(5):435-45. doi: 10.1002/jbio.201200055. Epub 2012 Aug 24.

PMID:
22927367
29.

Impact of parameters of radiofrequency coagulation on volume of stereotactic lesion in pallidotomy and thalamotomy.

Hirabayashi H, Hariz MI, Wårdell K, Blomstedt P.

Stereotact Funct Neurosurg. 2012;90(5):307-15. doi: 10.1159/000338249. Epub 2012 Jul 11.

PMID:
22797780
30.

Stimulation-induced side effects in the posterior subthalamic area: distribution, characteristics and visualization.

Fytagoridis A, Åström M, Wårdell K, Blomstedt P.

Clin Neurol Neurosurg. 2013 Jan;115(1):65-71. doi: 10.1016/j.clineuro.2012.04.015. Epub 2012 May 18.

PMID:
22608281
31.

Influence of heterogeneous and anisotropic tissue conductivity on electric field distribution in deep brain stimulation.

Aström M, Lemaire JJ, Wårdell K.

Med Biol Eng Comput. 2012 Jan;50(1):23-32. doi: 10.1007/s11517-011-0842-z. Epub 2011 Nov 19.

PMID:
22101515
32.

A model for simulation and patient-specific visualization of the tissue volume of influence during brain microdialysis.

Diczfalusy E, Zsigmond P, Dizdar N, Kullman A, Loyd D, Wårdell K.

Med Biol Eng Comput. 2011 Dec;49(12):1459-69. doi: 10.1007/s11517-011-0841-0. Epub 2011 Nov 13.

33.

Fluorescence spectroscopy measurements in ultrasonic navigated resection of malignant brain tumors.

Richter JC, Haj-Hosseini N, Andersson-Engel S, Wårdell K.

Lasers Surg Med. 2011 Jan;43(1):8-14. doi: 10.1002/lsm.21022.

PMID:
21254137
34.

Significant changes in dietary intake and supplement use after breast cancer diagnosis in a UK multicentre study.

Velentzis LS, Keshtgar MR, Woodside JV, Leathem AJ, Titcomb A, Perkins KA, Mazurowska M, Anderson V, Wardell K, Cantwell MM.

Breast Cancer Res Treat. 2011 Jul;128(2):473-82. doi: 10.1007/s10549-010-1238-8. Epub 2011 Jan 11.

PMID:
21221774
35.

Stereotactic implantation of deep brain stimulation electrodes: a review of technical systems, methods and emerging tools.

Hemm S, Wårdell K.

Med Biol Eng Comput. 2010 Jul;48(7):611-24. doi: 10.1007/s11517-010-0633-y. Epub 2010 Jun 2. Review.

PMID:
20517711
36.

Patient-specific model-based investigation of speech intelligibility and movement during deep brain stimulation.

Aström M, Tripoliti E, Hariz MI, Zrinzo LU, Martinez-Torres I, Limousin P, Wårdell K.

Stereotact Funct Neurosurg. 2010;88(4):224-33. doi: 10.1159/000314357. Epub 2010 May 12.

37.

Improved strains and plasmid vectors for conditional overexpression of His-tagged proteins in Haloferax volcanii.

Allers T, Barak S, Liddell S, Wardell K, Mevarech M.

Appl Environ Microbiol. 2010 Mar;76(6):1759-69. doi: 10.1128/AEM.02670-09. Epub 2010 Jan 22.

38.

Optical touch pointer for fluorescence guided glioblastoma resection using 5-aminolevulinic acid.

Haj-Hosseini N, Richter J, Andersson-Engels S, Wårdell K.

Lasers Surg Med. 2010 Jan;42(1):9-14. doi: 10.1002/lsm.20868.

PMID:
20077492
39.

Simulation of reflected light intensity changes during navigation and radio-frequency lesioning in the brain.

Johansson JD, Fredriksson I, Wårdell K, Eriksson O.

J Biomed Opt. 2009 Jul-Aug;14(4):044040. doi: 10.1117/1.3210781.

40.

Combined diffuse light reflectance and electrical impedance measurements as a navigation aid in deep brain surgery.

Johansson JD, Blomstedt P, Haj-Hosseini N, Bergenheim AT, Eriksson O, Wårdell K.

Stereotact Funct Neurosurg. 2009;87(2):105-13. doi: 10.1159/000202977. Epub 2009 Feb 18.

PMID:
19223697
41.

Method for patient-specific finite element modeling and simulation of deep brain stimulation.

Aström M, Zrinzo LU, Tisch S, Tripoliti E, Hariz MI, Wårdell K.

Med Biol Eng Comput. 2009 Jan;47(1):21-8. doi: 10.1007/s11517-008-0411-2. Epub 2008 Oct 21.

42.

Diffuse reflectance spectroscopy measurements for tissue-type discrimination during deep brain stimulation.

Antonsson J, Eriksson O, Blomstedt P, Bergenheim AT, I Hariz M, Richter J, Zsigmond P, Wårdell K.

J Neural Eng. 2008 Jun;5(2):185-90. doi: 10.1088/1741-2560/5/2/009. Epub 2008 May 6.

PMID:
18460743
43.

A laser Doppler system for intracerebral measurements during stereotactic neurosurgery.

Wårdell K, Fors C, Antonsson J, Eriksson O.

Conf Proc IEEE Eng Med Biol Soc. 2007;2007:4083-6.

PMID:
18002897
44.

Intracerebral microvascular measurements during deep brain stimulation implantation using laser Doppler perfusion monitoring.

Wårdell K, Blomstedt P, Richter J, Antonsson J, Eriksson O, Zsigmond P, Bergenheim AT, Hariz MI.

Stereotact Funct Neurosurg. 2007;85(6):279-86. Epub 2007 Aug 17.

45.

Impact of cysts during radiofrequency lesioning in deep brain structures--a simulation and in vitro study.

Johansson JD, Loyd D, Wårdell K, Wren J.

J Neural Eng. 2007 Jun;4(2):87-95. Epub 2007 Mar 13.

46.

A system for on-line laser Doppler monitoring of ECG-traced myocardial perfusion.

Fors C, Karlsson MG, Ahn HC, Wårdell K.

Conf Proc IEEE Eng Med Biol Soc. 2004;5:3796-9.

PMID:
17271122
47.

Comparison between a detailed and a simplified finite element model of radio-frequency lesioning in the brain.

Johansson JD, Wren J, Loyd D, Wardell K.

Conf Proc IEEE Eng Med Biol Soc. 2004;4:2510-3.

PMID:
17270783
48.

Radio-frequency lesioning in brain tissue with coagulation-dependent thermal conductivity: modelling, simulation and analysis of parameter influence and interaction.

Johansson JD, Eriksson O, Wren J, Loyd D, Wårdell K.

Med Biol Eng Comput. 2006 Sep;44(9):757-66. Epub 2006 Aug 29.

49.

Optical measurements during experimental stereotactic radiofrequency lesioning.

Antonsson J, Eriksson O, Lundberg P, Wårdell K.

Stereotact Funct Neurosurg. 2006;84(2-3):118-24. Epub 2006 Jul 10.

PMID:
16840822
50.

The effect of cystic cavities on deep brain stimulation in the basal ganglia: a simulation-based study.

Aström M, Johansson JD, Hariz MI, Eriksson O, Wårdell K.

J Neural Eng. 2006 Jun;3(2):132-8. Epub 2006 May 16.

PMID:
16705269

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