Allan Hansen

2024

Impaired cholinergic integrity of the colon and pancreas in dementia with Lewy bodies

Okkels, N., Horsager, J., Fedorova, T. D., Knudsen, K., Skjærbæk, C., Andersen, K. B., Labrador-Espinosa, M., Vestergaard, K., Mortensen, J. K., Klit, H., Møller, M., Danielsen, E. H., Johnsen, E. L., Bekan, G., Hansen, K. V., Munk, O. L., Damholdt, M. F., Kjeldsen, P. L., Hansen, A. K. & Gottrup, H. & 2 others, Grothe, M. J. & Borghammer, P., 4 Jan 2024, In: Brain. 147, 1, p. 255-266 12 p.

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6 Citations (Scopus)

2023

Distribution of Cholinergic Nerve Terminals in the Aged Human Brain Measured with [¹⁸F]FEOBV PET and its Correlation with Histological Data

Okkels, N., Horsager, J., Labrador-Espinosa, M. A., Hansen, F. O., Andersen, K. B., Just, M. K., Fedorova, T. D., Skjærbæk, C., Munk, O. L., Hansen, K. V., Gottrup, H., Hansen, A. K., Grothe, M. J. & Borghammer, P., Apr 2023, In: NeuroImage. 269, 13 p., 119908.

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Open Access

14 Citations (Scopus)

Mitochondrial function-associated genes underlie cortical atrophy in prodromal synucleinopathies

Rahayel, S., Tremblay, C., Vo, A., Misic, B., Lehéricy, S., Arnulf, I., Vidailhet, M., Corvol, J.-C., ICEBERG Study Group, Gagnon, J.-F., Postuma, R. B., Montplaisir, J., Lewis, S., Matar, E., Martens, K. E., Borghammer, P., Knudsen, K., Hansen, A. K., Monchi, O. & Gan-Or, Z. & 2 others, Dagher, A. & Alzheimer’s Disease Neuroimaging Initiative, Aug 2023, In: Brain. 146, 8, p. 3301-3318 18 p.

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15 Citations (Scopus)

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2022

Brain atrophy in prodromal synucleinopathy is shaped by structural connectivity and gene expression

Rahayel, S., Tremblay, C., Vo, A., Zheng, Y.-Q., Lehéricy, S., Arnulf, I., Vidailhet, M., Corvol, J.-C., ICEBERG Study Group, Gagnon, J.-F., Postuma, R. B., Montplaisir, J., Lewis, S., Matar, E., Ehgoetz Martens, K., Borghammer, P., Knudsen, K., Hansen, A., Monchi, O. & Misic, B. & 1 others, Dagher, A., 1 Sept 2022, In: Brain. 145, 9, p. 3162-3178 17 p.

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22 Citations (Scopus)

Disruption of Sleep Microarchitecture Is a Sensitive and Early Marker of Parkinson's Disease

Doppler, C. E. J., Smit, J., Hommelsen, M., Seger, A., Okkels, N., Horsager, J., Kinnerup, M., Hansen, A. K., Fedorova, T. D., Knudsen, K., Otto, M., Nahimi, A., Fink, G. R., Borghammer, P. & Sommerauer, M., Dec 2022, In: Journal of Parkinson's Disease. 12, 8, p. 2555-2560 6 p.

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2 Citations (Scopus)

Healthy brain aging assessed with [¹⁸F]FDG and [¹¹C]UCB-J PET

Andersen, K. B., Hansen, A. K., Knudsen, K., Schacht, A. C., Damholdt, M. F., Brooks, D. J. & Borghammer, P., 1 Sept 2022, In: Nuclear Medicine and Biology. 112-113, p. 52-58 7 p.

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Open Access

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15 Citations (Scopus)

48 Downloads (Pure)

Normal values for 18F-FDG uptake in organs and tissues measured by dynamic whole body multiparametric FDG PET in 126 patients.

Dias, A. H., Hansen, A. K., Munk, O. L. & Gormsen, L. C., 7 Mar 2022, In: EJNMMI research. 12, 14 p., 15.

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Open Access

38 Citations (Scopus)

2021

Asymmetric Distribution of Dopamine Transporters in Premorbid Corticobasal Syndrome—A Case Report

Hansen, A. K., Gottrup, H., Møller, M. & Borghammer, P., May 2021, In: Movement Disorders Clinical Practice. 8, 4, p. 607-609 3 p.

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Open Access

Cortical Activity During an Attack of Ménière's Disease—A Case Report

Devantier, L., Hansen, A. K., Mølby-Henriksen, J.-J., Pedersen, M., Borghammer, P., Ovesen, T. & Magnusson, M., 22 Jul 2021, In: Frontiers in Neurology. 12, 669390.

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Open Access

1 Citation (Scopus)

Microsleep disturbances are associated with noradrenergic dysfunction in Parkinson's disease

Doppler, C. E. J., Smit, J. A. M., Hommelsen, M., Seger, A., Horsager, J., Kinnerup, M. B., Hansen, A. K., Fedorova, T. D., Knudsen, K., Otto, M., Nahimi, A., Borghammer, P. & Sommerauer, M., Aug 2021, In: Sleep. 44, 8, 7 p., zsab040.

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24 Citations (Scopus)

Preserved noradrenergic function in Parkinson's disease patients with rest tremor

Kinnerup, M. B., Sommerauer, M., Damholdt, M. F., Schaldemose, J. L., Ismail, R., Terkelsen, A. J., Stær, K., Hansen, A., Fedorova, T. D., Knudsen, K., Skjærbæk, C., Borghammer, P., Pavese, N., Brooks, D. J. & Nahimi, A., May 2021, In: Neurobiology of Disease. 152, 8 p., 105295.

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Open Access

21 Citations (Scopus)

Reduced Synaptic Density in Patients with Lewy Body Dementia: An [¹¹C-]UCB-J PET Imaging Study

Andersen, K. B., Hansen, A. K., Damholdt, M. F., Horsager, J., Skjaerbaek, C., Gottrup, H., Klit, H., Schacht, A. C., Danielsen, E. H., Brooks, D. J. & Borghammer, P., Sept 2021, In: Movement Disorders. 36, 9, p. 2057-2065 9 p.

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56 Citations (Scopus)

Regional locus coeruleus degeneration is uncoupled from noradrenergic terminal loss in Parkinson's disease

Doppler, C. E. J., Kinnerup, M. B., Brune, C., Farrher, E., Betts, M., Fedorova, T. D., Schaldemose, J. L., Knudsen, K., Ismail, R., Seger, A. D., Hansen, A. K., Stær, K., Fink, G. R., Brooks, D. J., Nahimi, A., Borghammer, P. & Sommerauer, M., 1 Sept 2021, In: Brain : a journal of neurology. 144, 9, p. 2732–2744 13 p.

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51 Citations (Scopus)

Slipped capital femoral epiphysis (SCFE) - doctor's delay is still common

Translated title of the contribution: Slipped capital femoral epiphysis (SCFE) - doctor's delay is still commonBünger, M., Rahbek, O., Rölfing, J. D., Hansen, A. K., Hellfritzsch, M. B. & Gottliebsen, M., 20 Sept 2021, In: Ugeskrift for Læger. 183, 38, 3 p., V71065.

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2020

Altered sensorimotor cortex noradrenergic function in idiopathic REM sleep behaviour disorder: A PET study

Andersen, K. B., Hansen, A. K., Sommerauer, M., Fedorova, T. D., Knudsen, K., Vang, K., Van Den Berge, N., Kinnerup, M., Nahimi, A., Pavese, N., Brooks, D. J. & Borghammer, P., Jun 2020, In: Parkinsonism & Related Disorders. 75, p. 63-69 7 p.

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28 Citations (Scopus)

Noradrenergic terminal and locus coeruleus cell loss may be uncoupled in Parkinson's disease - a PET and MRI multi-modal imaging study

Kinnerup, M., Doppler, C., Farrher, E., Fedorova, T., Schaldemose, J., Knudsen, K., Isamail, R., Hansen, A., Staer, K., Fink, G., Shah, J., Brooks, D., Nahimi, A., Borghammer, P. & Sommerauer, M., Sept 2020, In: Movement Disorders. 35, Suppl. S1, p. S251 1 p.

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PET Visualized Stimulation of the Vestibular Organ in Menière's Disease

Devantier, L., Hansen, A. K., Mølby-Henriksen, J.-J., Christensen, C. B., Lildal, T., Pedersen, M., Magnusson, M., Borghammer, P. & Ovesen, T., 2020, In: Frontiers in Neurology. 11, 7 p., 11.

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6 Citations (Scopus)

Positron emission tomography visualized stimulation of the vestibular organ is localized in Heschl's gyrus

Devantier, L., Hansen, A. K., Mølby-Henriksen, J.-J., Christensen, C. B., Pedersen, M., Hansen, K. V., Magnusson, M., Ovesen, T. & Borghammer, P., Jan 2020, In: Human Brain Mapping. 41, 1, p. 185-193 9 p.

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9 Citations (Scopus)

Tau Tangles in Parkinson's Disease: A 2-Year Follow-Up Flortaucipir PET Study

Hansen, A. K., Parbo, P., Ismail, R., Østergaard, K., Brooks, D. J. & Borghammer, P., 2020, In: Journal of Parkinson's Disease. 10, 1, p. 161-171 11 p.

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11 Citations (Scopus)

The relationships between neuroinflammation, beta-amyloid and tau deposition in Alzheimer's disease: a longitudinal PET study

Ismail, R., Parbo, P., Madsen, L. S., Hansen, A. K., Hansen, K. V., Schaldemose, J. L., Kjeldsen, P. L., Stokholm, M. G., Gottrup, H., Eskildsen, S. F. & Brooks, D. J., 6 May 2020, In: Journal of Neuroinflammation. 17, 1, 11 p., 151.

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Open Access

169 Citations (Scopus)

2019

Cardiac ¹¹ C-Donepezil Binding Increases With Age in Healthy Humans: Potentially Signifying Sigma-1 Receptor Upregulation

Horsager, J., Fedorova, T. D., Berge, N. A. E. V. D., Klinge, M. W., Knudsen, K., Hansen, A., Alstrup, A. K. O., Krogh, K., Gormsen, L. C. & Borghammer, P., 1 Jul 2019, In: Journal of Cardiovascular Pharmacology and Therapeutics. 24, 4, p. 365-370 6 p., 1074248419838509.

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8 Citations (Scopus)

Objective intestinal function in patients with idiopathic REM sleep behavior disorder

Knudsen, K., Fedorova, T. D., Hansen, A. K., Sommerauer, M., Haase, A.-M., Svendsen, K. B., Otto, M., Østergaard, K., Krogh, K. & Borghammer, P., Jan 2019, In: Parkinsonism & Related Disorders. 58, p. 28-34 7 p.

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18 Citations (Scopus)

2018

Automated chin EMG analysis for quantification of REM sleep without atonia

Jeppesen, J., Otto, M., Frederiksen, Y., Hansen, A. K., Fedorova, T. D., Knudsen, K., Nahimi, A., Brooks, D. J., Borghammer, P. & Sommerauer, M. B., 10 May 2018, In: Clinical Neurophysiology. 129, Supplement 1, p. e76 F26.

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Decreased noradrenaline transporter density in the motor cortex of Parkinson's disease patients

Sommerauer, M., Hansen, A. K., Parbo, P., Fedorova, T. D., Knudsen, K., Frederiksen, Y., Nahimi, A., Barbe, M. T., Brooks, D. J. & Borghammer, P., Jun 2018, In: Movement Disorders. 33, 6, p. 1006-1010 5 p.

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31 Citations (Scopus)

Does inflammation precede tau aggregation in early Alzheimer's disease? A PET study

Parbo, P., Ismail, R., Sommerauer, M., Stokholm, M. G., Hansen, A. K., Hansen, K. V., Amidi, A., Schaldemose, J. L., Gottrup, H., Brændgaard, H., Eskildsen, S. F., Borghammer, P., Hinz, R., Aanerud, J. & Brooks, D. J., Sept 2018, In: Neurobiology of Disease. 117, p. 211-216 6 p.

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51 Citations (Scopus)

Evaluation of the noradrenergic system in Parkinson's disease; an 11C-MeNER PET and neuromelanin MRI study

Sommerauer, M., Fedorova, T. D., Hansen, A. K., Knudsen, K., Otto, M., Jeppesen, J., Frederiksen, Y., Blicher, J. U., Geday, J., Nahimi, A., Damholdt, M. F., Brooks, D. J. & Borghammer, P., 1 Feb 2018, In: Brain. 141, 2, p. 496-504 9 p.

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153 Citations (Scopus)

Gastric emptying in Parkinson's disease - A mini-review

Knudsen, K., Szwebs, M., Hansen, A. K. & Borghammer, P., 2018, In: Parkinsonism & Related Disorders. 55, p. 18-25 8 p.

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36 Citations (Scopus)

In-vivo staging of pathology in REM sleep behaviour disorder: a multimodality imaging case-control study

Knudsen, K., Fedorova, T. D., Hansen, A. K., Sommerauer, M., Otto, M., Svendsen, K. B., Nahimi, A., Stokholm, M. G., Pavese, N., Beier, C. P., Brooks, D. J. & Borghammer, P., Jul 2018, In: Lancet Neurology. 17, 7, p. 618-628 11 p.

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252 Citations (Scopus)

MAO-B Inhibitors Do Not Block In Vivo Flortaucipir([(18)F]-AV-1451) Binding

Hansen, A. K., Brooks, D. J. & Borghammer, P., 1 Jun 2018, In: Molecular Imaging and Biology. 20, 3, p. 356-360 5 p.

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Open Access

40 Citations (Scopus)

Observations on muscle activity in REM sleep behavior disorder assessed with a semi-automated scoring algorithm

Jeppesen, J., Otto, M., Frederiksen, Y., Hansen, A. K., Fedorova, T. D., Knudsen, K., Nahimi, A., Brooks, D. J., Borghammer, P. & Sommerauer, M., 2018, In: Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology. 129, 3, p. 541-547 7 p.

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13 Citations (Scopus)

The Effect of 40-Hz Light Therapy on Amyloid Load in Patients with Prodromal and Clinical Alzheimer's Disease

Ismail, R., Hansen, A. K., Parbo, P., Brændgaard, H., Gottrup, H., Brooks, D. J. & Borghammer, P., 1 Jan 2018, In: International Journal of Alzheimer's Disease. 2018, p. 6852303 6852303.

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57 Citations (Scopus)

2017

Automated chin EMG analysis for quantification of REM sleep without atonia

Jeppesen, J., Otto, M., Frederiksen, Y., Hansen, A. K., Fedorova, T. D., Knudsen, K., Borghammer, P. & Sommerauer, M. B., Sept 2017, In: Clinical Neurophysiology. 128, 9, p. e296

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In Vivo cortical tau in Parkinson's disease using 18F-AV-1451 positron emission tomography

Hansen, A. K., Damholdt, M. F., Fedorova, T. D., Knudsen, K., Parbo, P., Ismail, R., Østergaard, K., Brooks, D. J. & Borghammer, P., Jun 2017, In: Movement Disorders. 32, 6, p. 922-927 6 p.

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46 Citations (Scopus)

LBA 39 Noradrenergic deficit in Parkinson’s disease patients with REM sleep behavior disorder is linked to cognitive performance – A 11C - MeN ER PET & neuromelanin MRI study

Sommerauer, M. B., Hansen, A., Fedorova, T., Knudsen, K., Frederiksen, Y., Damholdt, M. F., Jeppesen, J., Otto, M., Nahimi, A., Brooks, D. & Borghammer, P., 2017. 2 p.

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Open Access

2016

In vivo imaging of neuromelanin in Parkinson's disease using 18F-AV-1451 PET

Hansen, A. K., Knudsen, K., Lillethorup, T. P., Landau, A. M., Parbo, P., Fedorova, T., Audrain, H., Bender, D., Østergaard, K., Brooks, D. J. & Borghammer, P., 1 Jul 2016, In: Brain. 139, 7, p. 2039-2049 11 p.

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109 Citations (Scopus)

In vivo imaging of neuromelanin in Parkinson's disease using 18F-AV-1451 PET

Hansen, A., Knudsen, K., Fedorova, T. D., Parbo, P., Østergaard, K., Brooks, D. & Borghammer, P., 20 Jun 2016.

Research output: Contribution to conference › Poster › Research

Reverse Mismatch Pattern in Cardiac 18F-FDG Viability PET/CT Is Not Associated With Poor Outcome of Revascularization: A Retrospective Outcome Study of 91 Patients With Heart Failure

Hansen, A. K., Jensen, M. G., Bouchelouche, K., Tolbod, L. P. & Gormsen, L. C., 1 Oct 2016, In: Clinical Nuclear Medicine. 41, 10, p. e428-35

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11 Citations (Scopus)

2011

Escitalopram and neuroendocrine response in healthy first-degree relatives to depressed patients - a randomized placebo-controlled trial

Knorr, U., Vinberg, M., Hansen, A., Klose, M., Feldt-Rasmussen, U., Hilsted, L., Hasselstrøm, J., Gether, U., Winkel, P., Gluud, C., Wetterslev, J. & Kessing, L. V., 2011, In: PLOS ONE. 6, 6, e21224.

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Open Access

12 Citations (Scopus)

Allan Hansen

Research output

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