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Items: 1 to 50 of 86

1.

Hyponatremia in kidney transplant patients: its pathophysiologic mechanisms.

Musso CG, Castañeda A, Giordani M, Mombelli C, Groppa S, Imperiali N, Rosa Diez G.

Clin Kidney J. 2018 Aug;11(4):581-585. doi: 10.1093/ckj/sfy016. Epub 2018 Mar 16.

2.

Discriminative power of intra-retinal layers in early multiple sclerosis using 3D OCT imaging.

Seitz CB, Droby A, Zaubitzer L, Krämer J, Paradis M, Klotz L, Wiendl H, Groppa S, Meuth SG, Zipp F, Fleischer V.

J Neurol. 2018 Aug 2. doi: 10.1007/s00415-018-8988-3. [Epub ahead of print]

PMID:
30073502
3.

Cerebello-cortical network fingerprints differ between essential, Parkinson's and mimicked tremors.

Muthuraman M, Raethjen J, Koirala N, Anwar AR, Mideksa KG, Elble R, Groppa S, Deuschl G.

Brain. 2018 Jun 1;141(6):1770-1781. doi: 10.1093/brain/awy098.

PMID:
29701820
4.

Primary Sensorimotor Cortex Drives the Common Cortical Network for Gamma Synchronization in Voluntary Hand Movements.

Tamás G, Chirumamilla VC, Anwar AR, Raethjen J, Deuschl G, Groppa S, Muthuraman M.

Front Hum Neurosci. 2018 Apr 6;12:130. doi: 10.3389/fnhum.2018.00130. eCollection 2018.

5.

Characterizing Microstructural Tissue Properties in Multiple Sclerosis with Diffusion MRI at 7 T and 3 T: The Impact of the Experimental Design.

De Santis S, Bastiani M, Droby A, Kolber P, Zipp F, Pracht E, Stoecker T, Groppa S, Roebroeck A.

Neuroscience. 2018 Apr 7. pii: S0306-4522(18)30248-3. doi: 10.1016/j.neuroscience.2018.03.048. [Epub ahead of print]

6.

Single-Center Long-Term Follow-Up of Kidney Donors in Argentina (Hospital Italiano de Buenos Aires).

Mombelli CA, Giordani MC, Imperiali NC, Groppa SR, Villamil Cortez SK, Schreck CM, Rosa-Diez GJ.

Transplant Proc. 2018 Mar;50(2):418-422. doi: 10.1016/j.transproceed.2017.12.046.

PMID:
29579818
7.

Serum neurofilament light chain is a biomarker of acute and chronic neuronal damage in early multiple sclerosis.

Siller N, Kuhle J, Muthuraman M, Barro C, Uphaus T, Groppa S, Kappos L, Zipp F, Bittner S.

Mult Scler. 2018 Mar 1:1352458518765666. doi: 10.1177/1352458518765666. [Epub ahead of print]

PMID:
29542376
8.

Association of smoking but not HLA-DRB1*15:01, APOE or body mass index with brain atrophy in early multiple sclerosis.

Graetz C, Gröger A, Luessi F, Salmen A, Zöller D, Schultz J, Siller N, Fleischer V, Bellenberg B, Berthele A, Biberacher V, Havla J, Hecker M, Hohlfeld R, Infante-Duarte C, Kirschke JS, Kümpfel T, Linker R, Paul F, Pfeuffer S, Sämann P, Toenges G, Weber F, Zettl UK, Jahn-Eimermacher A, Antony G, Groppa S, Wiendl H, Hemmer B, Mühlau M, Lukas C, Gold R, Lill CM, Zipp F.

Mult Scler. 2018 Mar 1:1352458518763541. doi: 10.1177/1352458518763541. [Epub ahead of print]

PMID:
29532745
9.

Treatment choices and neuropsychological symptoms of a large cohort of early MS.

von Bismarck O, Dankowski T, Ambrosius B, Hessler N, Antony G, Ziegler A, Hoshi MM, Aly L, Luessi F, Groppa S, Klotz L, Meuth SG, Tackenberg B, Stoppe M, Then Bergh F, Tumani H, Kümpfel T, Stangel M, Heesen C, Wildemann B, Paul F, Bayas A, Warnke C, Weber F, Linker RA, Ziemann U, Zettl UK, Zipp F, Wiendl H, Hemmer B, Gold R, Salmen A.

Neurol Neuroimmunol Neuroinflamm. 2018 Mar 1;5(3):e446. doi: 10.1212/NXI.0000000000000446. eCollection 2018 May.

10.

Health-related quality of life in patients with poststroke epilepsy.

Winter Y, Daneshkhah N, Galland N, Kotulla I, Krüger A, Groppa S.

Epilepsy Behav. 2018 Mar;80:303-306. doi: 10.1016/j.yebeh.2017.12.037. Epub 2018 Feb 21.

PMID:
29429905
11.

Postoperative rehabilitation after deep brain stimulation surgery for movement disorders.

Allert N, Cheeran B, Deuschl G, Barbe MT, Csoti I, Ebke M, Glaser M, Kang JS, Kelm S, Krack P, Kroth J, Jobst U, Leisse M, Oliviero A, Nolte PN, Quick-Weller J, Strothjohann M, Tamás G, Werner M, Muthuraman M, Volkmann J, Fasano A, Groppa S.

Clin Neurophysiol. 2018 Mar;129(3):592-601. doi: 10.1016/j.clinph.2017.12.035. Epub 2018 Jan 10. Review.

PMID:
29414403
12.

Preservation of neuronal function as measured by clinical and MRI endpoints in relapsing-remitting multiple sclerosis: how effective are current treatment strategies?

Graetz C, Groppa S, Zipp F, Siller N.

Expert Rev Neurother. 2018 Mar;18(3):203-219. doi: 10.1080/14737175.2018.1438190. Epub 2018 Feb 15.

PMID:
29411688
13.

[Pathophysiology of tremor].

Muthuraman M, Schnitzler A, Groppa S.

Nervenarzt. 2018 Apr;89(4):408-415. doi: 10.1007/s00115-018-0490-8. Review. German.

PMID:
29404646
14.

Increased cerebrospinal fluid albumin and immunoglobulin A fractions forecast cortical atrophy and longitudinal functional deterioration in relapsing-remitting multiple sclerosis.

Kroth J, Ciolac D, Fleischer V, Koirala N, Krämer J, Muthuraman M, Luessi F, Bittner S, Gonzalez-Escamilla G, Zipp F, Meuth SG, Groppa S.

Mult Scler. 2017 Dec 1:1352458517748474. doi: 10.1177/1352458517748474. [Epub ahead of print]

PMID:
29226779
15.

Dynamics of the human brain network revealed by time-frequency effective connectivity in fNIRS.

Vergotte G, Torre K, Chirumamilla VC, Anwar AR, Groppa S, Perrey S, Muthuraman M.

Biomed Opt Express. 2017 Oct 30;8(11):5326-5341. doi: 10.1364/BOE.8.005326. eCollection 2017 Nov 1.

16.

Graph Theoretical Framework of Brain Networks in Multiple Sclerosis: A Review of Concepts.

Fleischer V, Radetz A, Ciolac D, Muthuraman M, Gonzalez-Escamilla G, Zipp F, Groppa S.

Neuroscience. 2017 Nov 1. pii: S0306-4522(17)30761-3. doi: 10.1016/j.neuroscience.2017.10.033. [Epub ahead of print]

PMID:
29101079
17.

Establishing and validating a new source analysis method using phase.

Chirumamilla V, Gonzalez-Escamilla G, Kumar S, Longfei X, Groppa S, Muthuraman M.

Conf Proc IEEE Eng Med Biol Soc. 2017 Jul;2017:2778-2781. doi: 10.1109/EMBC.2017.8037433.

PMID:
29060474
18.

Frontal Lobe Connectivity and Network Community Characteristics are Associated with the Outcome of Subthalamic Nucleus Deep Brain Stimulation in Patients with Parkinson's Disease.

Koirala N, Fleischer V, Glaser M, Zeuner KE, Deuschl G, Volkmann J, Muthuraman M, Groppa S.

Brain Topogr. 2018 Mar;31(2):311-321. doi: 10.1007/s10548-017-0597-4. Epub 2017 Oct 6.

PMID:
28986718
19.

Disease reactivation after switching from natalizumab to daclizumab.

Uphaus T, Oberwittler C, Groppa S, Zipp F, Bittner S.

J Neurol. 2017 Dec;264(12):2491-2494. doi: 10.1007/s00415-017-8622-9. Epub 2017 Oct 3.

PMID:
28975400
20.

Truncating mutations in SPAST patients are associated with a high rate of psychiatric comorbidities in hereditary spastic paraplegia.

Chelban V, Tucci A, Lynch DS, Polke JM, Santos L, Jonvik H, Groppa S, Wood NW, Houlden H.

J Neurol Neurosurg Psychiatry. 2017 Aug;88(8):681-687. doi: 10.1136/jnnp-2017-315796. Epub 2017 Jun 1.

21.

Breakdown of Thalamo-Cortical Connectivity Precedes Spike Generation in Focal Epilepsies.

Chiosa V, Groppa SA, Ciolac D, Koirala N, Mişina L, Winter Y, Moldovanu M, Muthuraman M, Groppa S.

Brain Connect. 2017 Jun;7(5):309-320. doi: 10.1089/brain.2017.0487.

PMID:
28494616
22.

Treatment response to dimethyl fumarate is characterized by disproportionate CD8+ T cell reduction in MS.

Fleischer V, Friedrich M, Rezk A, Bühler U, Witsch E, Uphaus T, Bittner S, Groppa S, Tackenberg B, Bar-Or A, Zipp F, Luessi F.

Mult Scler. 2018 Apr;24(5):632-641. doi: 10.1177/1352458517703799. Epub 2017 Apr 24.

PMID:
28436295
23.

A "kissing lesion": In-vivo 7T evidence of meningeal inflammation in early multiple sclerosis.

Kolber P, Droby A, Roebroeck A, Goebel R, Fleischer V, Groppa S, Zipp F.

Mult Scler. 2017 Jul;23(8):1167-1169. doi: 10.1177/1352458516683267. Epub 2017 Apr 18.

PMID:
28417657
24.

Combining transcranial magnetic stimulation and subdural electrodes for pain modulation.

Chirumamilla VC, Koirala N, Groppa S.

Clin Neurophysiol. 2017 Jun;128(6):1041-1042. doi: 10.1016/j.clinph.2017.03.003. Epub 2017 Mar 11. No abstract available.

PMID:
28359653
25.

Network effects and pathways in Deep brain stimulation in Parkinson's disease.

Koirala N, Fleischer V, Granert O, Deuschl G, Muthuraman M, Groppa S.

Conf Proc IEEE Eng Med Biol Soc. 2016 Aug;2016:5533-5536. doi: 10.1109/EMBC.2016.7591980.

PMID:
28269510
26.

Functional connectivity analysis using whole brain and regional network metrics in MS patients.

Chirumamilla VC, Fleischer V, Droby A, Anjum T, Muthuraman M, Zipp F, Groppa S.

Conf Proc IEEE Eng Med Biol Soc. 2016 Aug;2016:4039-4042. doi: 10.1109/EMBC.2016.7591613.

PMID:
28269169
27.

Complex network analysis of resting-state fMRI of the brain.

Anwar AR, Hashmy MY, Imran B, Riaz MH, Mehdi SM, Muthalib M, Perrey S, Deuschl G, Groppa S, Muthuraman M.

Conf Proc IEEE Eng Med Biol Soc. 2016 Aug;2016:3598-3601. doi: 10.1109/EMBC.2016.7591506.

PMID:
28269074
28.

Effects of DBS in parkinsonian patients depend on the structural integrity of frontal cortex.

Muthuraman M, Deuschl G, Koirala N, Riedel C, Volkmann J, Groppa S.

Sci Rep. 2017 Mar 6;7:43571. doi: 10.1038/srep43571.

29.

Longitudinal quantitative MRI assessment of cortical damage in multiple sclerosis: A pilot study.

Gracien RM, Reitz SC, Hof SM, Fleischer V, Droby A, Wahl M, Steinmetz H, Groppa S, Deichmann R, Klein JC.

J Magn Reson Imaging. 2017 Nov;46(5):1485-1490. doi: 10.1002/jmri.25685. Epub 2017 Feb 27.

PMID:
28240801
30.

Correction: Grey Matter Microstructural Integrity Alterations in Blepharospasm Are Partially Reversed by Botulinum Neurotoxin Therapy.

Hanganu A, Muthuraman M, Chirumamilla VC, Koirala N, Paktas B, Deuschl G, Zeuner KE, Groppa S.

PLoS One. 2017 Feb 13;12(2):e0172374. doi: 10.1371/journal.pone.0172374. eCollection 2017.

31.

Grey Matter Microstructural Integrity Alterations in Blepharospasm Are Partially Reversed by Botulinum Neurotoxin Therapy.

Alexandru H, Muthuraman M, Chirumamilla VC, Koirala N, Paktas B, Deuschl G, Zeuner KE, Groppa S.

PLoS One. 2016 Dec 16;11(12):e0168652. doi: 10.1371/journal.pone.0168652. eCollection 2016. Erratum in: PLoS One. 2017 Feb 13;12 (2):e0172374.

32.

Local Fibrinolysis in Spontaneous Supratentorial Hematomas: Comparison with Surgical and Medical Treatment.

Condrea E, Timirgaz V, Groppa S, Codreanu I, Rotaru N.

Interv Neurol. 2016 Sep;5(3-4):165-173. Epub 2016 Jul 1.

33.

Metabolic Patterns in Chronic Multiple Sclerosis Lesions and Normal-appearing White Matter: Intraindividual Comparison by Using 2D MR Spectroscopic Imaging.

Fleischer V, Kolb R, Groppa S, Zipp F, Klose U, Gröger A.

Radiology. 2016 Nov;281(2):536-543. Epub 2016 May 30.

PMID:
27243371
34.

Comparison of two quantitative proton density mapping methods in multiple sclerosis.

Gracien RM, Reitz SC, Wagner M, Mayer C, Volz S, Hof SM, Fleischer V, Droby A, Steinmetz H, Groppa S, Hattingen E, Klein JC, Deichmann R.

MAGMA. 2017 Feb;30(1):75-83. doi: 10.1007/s10334-016-0585-9. Epub 2016 Aug 20.

PMID:
27544270
35.

Cerebello-cortical networks in orthostatic tremor.

Muthuraman M, Groppa S, Deuschl G.

Brain. 2016 Aug;139(Pt 8):2104-6. doi: 10.1093/brain/aww164. No abstract available.

PMID:
27457226
36.

Establishing standards for neuronavigated TMS in research and clinical studies.

Muthuraman M, Chirumamilla CV, Groppa S.

Clin Neurophysiol. 2016 Aug;127(8):2890-1. doi: 10.1016/j.clinph.2016.05.009. Epub 2016 May 24. No abstract available.

PMID:
27287883
37.

Increased structural white and grey matter network connectivity compensates for functional decline in early multiple sclerosis.

Fleischer V, Gröger A, Koirala N, Droby A, Muthuraman M, Kolber P, Reuter E, Meuth SG, Zipp F, Groppa S.

Mult Scler. 2017 Mar;23(3):432-441. doi: 10.1177/1352458516651503. Epub 2016 Jul 11.

PMID:
27246143
38.

Multimodal quantitative MRI assessment of cortical damage in relapsing-remitting multiple sclerosis.

Gracien RM, Jurcoane A, Wagner M, Reitz SC, Mayer C, Volz S, Hof SM, Fleischer V, Droby A, Steinmetz H, Groppa S, Hattingen E, Deichmann R, Klein JC.

J Magn Reson Imaging. 2016 Dec;44(6):1600-1607. doi: 10.1002/jmri.25297. Epub 2016 May 6.

PMID:
27153293
39.

Comparison Between CKD-EPI Creatinine and MDRD Equations to Estimate Glomerular Filtration Rate in Kidney Transplant Patients.

Mombelli CA, Giordani MC, Imperiali NC, Groppa SR, Ocampo L, Elizalde RI, Schreck CM, Rosa-Diez GJ.

Transplant Proc. 2016 Mar;48(2):625-30. doi: 10.1016/j.transproceed.2016.02.023.

PMID:
27110017
40.

Power estimation for non-standardized multisite studies.

Keshavan A, Paul F, Beyer MK, Zhu AH, Papinutto N, Shinohara RT, Stern W, Amann M, Bakshi R, Bischof A, Carriero A, Comabella M, Crane JC, D'Alfonso S, Demaerel P, Dubois B, Filippi M, Fleischer V, Fontaine B, Gaetano L, Goris A, Graetz C, Gröger A, Groppa S, Hafler DA, Harbo HF, Hemmer B, Jordan K, Kappos L, Kirkish G, Llufriu S, Magon S, Martinelli-Boneschi F, McCauley JL, Montalban X, Mühlau M, Pelletier D, Pattany PM, Pericak-Vance M, Cournu-Rebeix I, Rocca MA, Rovira A, Schlaeger R, Saiz A, Sprenger T, Stecco A, Uitdehaag BMJ, Villoslada P, Wattjes MP, Weiner H, Wuerfel J, Zimmer C, Zipp F; International Multiple Sclerosis Genetics Consortium. Electronic address: AIVINSON@PARTNERS.ORG, Hauser SL, Oksenberg JR, Henry RG.

Neuroimage. 2016 Jul 1;134:281-294. doi: 10.1016/j.neuroimage.2016.03.051. Epub 2016 Apr 1.

41.

Early silent microstructural degeneration and atrophy of the thalamocortical network in multiple sclerosis.

Deppe M, Krämer J, Tenberge JG, Marinell J, Schwindt W, Deppe K, Groppa S, Wiendl H, Meuth SG.

Hum Brain Mapp. 2016 May;37(5):1866-79. doi: 10.1002/hbm.23144. Epub 2016 Feb 27.

PMID:
26920497
42.

Structural Brain Network Characteristics Can Differentiate CIS from Early RRMS.

Muthuraman M, Fleischer V, Kolber P, Luessi F, Zipp F, Groppa S.

Front Neurosci. 2016 Feb 2;10:14. doi: 10.3389/fnins.2016.00014. eCollection 2016.

43.

(Non-) invasive mapping of cortical language areas.

Muthuraman M, Hartwigsen G, Groppa S.

Clin Neurophysiol. 2016 Mar;127(3):1762-3. doi: 10.1016/j.clinph.2015.12.006. Epub 2015 Dec 17. No abstract available.

PMID:
26750578
44.

Testing different ICA algorithms and connectivity analyses on MS patients.

Muthuraman M, Anjum T, Droby A, Fleischer V, Reitz S, Mideksa K, Schmidt G, Zipp F, Groppa S.

Conf Proc IEEE Eng Med Biol Soc. 2015 Aug;2015:4314-7. doi: 10.1109/EMBC.2015.7319349.

PMID:
26737249
45.

Testing the effects of pre-processing on voxel based morphometry analysis.

Chaitanya CV, Koirala N, Mideksa KG, Anwar AR, Schmidt G, Deuschl G, Groppa S, Muthuraman M.

Conf Proc IEEE Eng Med Biol Soc. 2015 Aug;2015:4302-5. doi: 10.1109/EMBC.2015.7319346.

PMID:
26737246
46.

Changes in brain functional connectivity patterns are driven by an individual lesion in MS: a resting-state fMRI study.

Droby A, Yuen KS, Muthuraman M, Reitz SC, Fleischer V, Klein J, Gracien RM, Ziemann U, Deichmann R, Zipp F, Groppa S.

Brain Imaging Behav. 2016 Dec;10(4):1117-1126.

PMID:
26553579
47.

Multifocal TMS for temporo-spatial description of cortico-cortical connectivity patterns.

Groppa S.

Clin Neurophysiol. 2016 Feb;127(2):1005-1006. doi: 10.1016/j.clinph.2015.07.012. Epub 2015 Jul 21. No abstract available.

PMID:
26277025
48.

U-shape effects of lithium on motor cortex excitability or possible mechanisms of an "old" first line therapy.

Groppa S.

Clin Neurophysiol. 2014 Nov;125(11):2144-2145. doi: 10.1016/j.clinph.2014.04.006. Epub 2014 Apr 24. No abstract available.

PMID:
24835795
49.

Cortical Thickness Changes Associated with Photoparoxysmal Response.

Hanganu A, Groppa SA, Deuschl G, Siebner H, Moeller F, Siniatchkin M, Stephani U, Groppa S.

Brain Topogr. 2015 Sep;28(5):702-709. doi: 10.1007/s10548-014-0353-y. Epub 2014 Feb 1.

PMID:
24487625
50.

Physiological and anatomical decomposition of subthalamic neurostimulation effects in essential tremor.

Groppa S, Herzog J, Falk D, Riedel C, Deuschl G, Volkmann J.

Brain. 2014 Jan;137(Pt 1):109-21. doi: 10.1093/brain/awt304. Epub 2013 Nov 25.

PMID:
24277721

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