Jens Brøndum Frøkjær

2024

Association between the Static and Dynamic Lung Function and CT-Derived Thoracic Skeletal Muscle Measurements-A Retrospective Analysis of a 12-Month Observational Follow-Up Pilot Study

Brath, M. S. G., Alsted, S. D., Sahakyan, M., Mark, E. B., Frøkjær, J. B., Rasmussen, H. H., Østergaard, L. R., Christensen, R. B. & Weinreich, U. M., 6 Mar 2024, In: Advances in respiratory medicine. 92, 2, p. 123-144 22 p.

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Bisphosphonate Use and Risk of Atypical Femoral Fractures: A Danish Case Cohort Study with Blinded Radiographic Review

Bauer, D. C., Black, D. M., Dell, R., Fan, B., Smith, C. D., Ernst, M. T., Jurik, A. G., Frøkjær, J. B., Boesen, M., Vittinghoff, E. & Abrahamsen, B., 10 Jan 2024, (E-pub ahead of print) In: Journal of Clinical Endocrinology and Metabolism. dgae023.

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Co-existence of hepatic and pancreatic fibrosis in chronic pancreatitis patients including associated risk factors: a magnetic resonance elastography study

Nauser, S., Steinkohl, E., Olesen, S. S., Drewes, A. M. & Frøkjær, J. B., 2024, In: Scandinavian Journal of Gastroenterology. 59, 1, p. 100-107 8 p.

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Ethnic differences in CT derived abdominal body composition measures: a comparative retrospect pilot study between European and Inuit study population

Brath, M. S. G., Sahakyan, M., Mark, E. B., Rasmussen, H. H., Østergaard, L. R., Frøkjær, J. B., Weinreich, U. M. & Jørgensen, M. E., 2024, In: International Journal of Circumpolar Health. 83, 1, 2312663.

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Monocyte recruitment in venous pulmonary embolism at time of cancer diagnosis in upper gastrointestinal cancer patients

Jakobsen, S. S., Frøkjaer, J. B., Fisker, R. V., Kristensen, S. R., Thorlacius-Ussing, O. & Larsen, A. C., Jan 2024, In: Journal of Thrombosis and Thrombolysis. 57, 1, p. 11-20 10 p.

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2023

Alterations in Functional Connectivity of Thalamus and Primary Somatosensory Cortex in Painful and Painless Diabetic Peripheral Neuropathy

Croosu, S. S., Røikjer, J., Mørch, C. D., Ejskjaer, N., Frøkjær, J. B. & Hansen, T. M., Jan 2023, In: Diabetes care. 46, 1, p. 173-182 10 p., dc220587.

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5 Citations (Scopus)

A novel MRI-based three-dimensional model of stomach volume, surface area, and geometry in response to gastric filling and emptying

Bertoli, D., Mark, E. B., Liao, D., Brock, C., Frøkjær, J. B. & Drewes, A. M., Feb 2023, In: Neurogastroenterology and Motility. 35, 2, e14497.

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6 Citations (Scopus)

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Association between thoracic and third lumbar CT-derived muscle mass and density in Caucasian patients without chronic disease: a proof-of-concept study

Brath, M. S. G., Sahakyan, M., Mark, E. B., Frøkjær, J. B., Rasmussen, H. H., Østergaard, L. R. & Weinreich, U. M., 29 May 2023, In: European radiology experimental. 7, 1, 26.

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1 Citation (Scopus)

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Clinical course of medically managed patients with large and small duct chronic pancreatitis

Mahdi, M. B., Steinkohl, E., Singh, V. K., Drewes, A. M., Frøkjær, J. B. & Olesen, S. S., Jan 2023, In: Clinical and translational gastroenterology. 14, 1, e00537.

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Cognitive function in individuals with and without painful and painless diabetic polyneuropathy-A cross-sectional study in type 1 diabetes

Croosu, S. S., Gjela, M., Røikjer, J., Hansen, T. M., Mørch, C. D., Frøkjaer, J. B. & Ejskjaer, N., Jul 2023, In: Endocrinology, Diabetes & Metabolism. 6, 4, e420.

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Confined placental mosaicism: placental size and function evaluated on magnetic resonance imaging

Dyhr, J. J., Linderoth, I. R., Hansen, D. N., Frøkjær, J. B., Peters, D. A., Sinding, M. & Sørensen, A., Jul 2023, In: Ultrasound in Obstetrics & Gynecology. 62, 1, p. 130-136 7 p.

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Diagnostic Accuracy of Perception Threshold Tracking in the Detection of Small Fiber Damage in Type 1 Diabetes

Røikjer, J., Croosu, S. S., Sejergaard, B. F., Hansen, T. M., Frøkjær, J. B., Søndergaard, C. B., Petropoulos, I. N., Malik, R. A., Nielsen, E., Mørch, C. D. & Ejskjaer, N., 24 Feb 2023, (E-pub ahead of print) In: Journal of Diabetes Science and Technology.

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Effects of a peripherally acting µ-opioid receptor antagonist for the prevention of recurrent acute pancreatitis: study protocol for an investigator-initiated, randomized, placebo-controlled, double-blind clinical trial (PAMORA-RAP trial)

Cook, M. E., Knoph, C. S., Fjelsted, C. A., Frøkjær, J. B., Bilgrau, A. E., Novovic, S., Jørgensen, M. T., Mortensen, M. B., Nielsen, L. B. J., Hadi, A., Berner-Hansen, M., Rutkowski, W., Vujasinovic, M., Löhr, M., Drewes, A. M. & Olesen, S. S., 1 May 2023, In: Trials. 24, 1, 13 p., 301.

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Feasibility and early clinical impact of precision medicine for late-stage cancer patients in a regional public academic hospital

Ladekarl, M., Nøhr, A. K., Sønderkær, M., Dahl, S. C., Sunde, L., Vestereghem, C., Mapendano, C. K., Haslund, C. A., Pagh, A., Carus, A., Lörincz, T., Nowicka-Matus, K., Poulsen, L. Ø., Laursen, R. J., Dybkær, K., Poulsen, B. K., Frøkjær, J. B., Brügmann, A. H., Ernst, A., Wanders, A., & 2 othersBøgsted, M. & Pedersen, I. S., Mar 2023, In: Acta Oncologica. 62, 3, p. 261-271 11 p.

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Inter- and intra-observer variability of computed tomography-based parenchymal- and ductal diameters in chronic pancreatitis: a multi-observer international study

Borgbjerg, J., Steinkohl, E., Olesen, S. S., Akisik, F., Bethke, A., Bieliuniene, E., Christensen, H. S., Engjom, T., Haldorsen, I. S., Kartalis, N., Lisitskaya, M. V., Naujokaite, G., Novovic, S., Ozola-Zālīte, I., Phillips, A. E., Swensson, J. K., Drewes, A. M. & Frøkjær, J. B., Jan 2023, In: Abdominal Radiology. 48, 1, p. 306-317 12 p.

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2 Citations (Scopus)

MRI-Based Quantification of Pan-Alimentary Function and Motility in Subjects with Diabetes and Gastrointestinal Symptoms

Bertoli, D., Mark, E. B., Liao, D., Okdahl, T., Nauser, S., Daugberg, L. H., Brock, C., Brock, B., Knop, F. K., Krogh, K., Brøndum Frøkjær, J. & Drewes, A. M., 14 Sept 2023, In: Journal of Clinical Medicine . 12, 18, 5968.

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Optimizing examination time and diagnostic performance of the histamine-induced axon-reflex flare response in diabetes

Røikjer, J., Croosu, S. S., Borbjerg, M. K., Hansen, T. M., Frøkjær, J. B., Arendt-Nielsen, L., Ejskjaer, N. & Mørch, C. D., Sept 2023, In: Muscle & Nerve. 68, 3, p. 308-315 8 p.

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Pan-alimentary assessment of motility, luminal content, and structures: an MRI-based framework

Bertoli, D., Mark, E. B., Liao, D., Brock, C., Brock, B., Krag Knop, F., Krogh, K., Frøkjær, J. B. & Drewes, A., 2023, In: Scandinavian Journal of Gastroenterology. 58, 12, p. 1378-1390 13 p.

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1 Citation (Scopus)

Perception threshold tracking: validating a novel method for assessing function of large and small sensory nerve fibers in diabetic peripheral neuropathy with and without pain

Røikjer, J., Croosu, S. S., Frøkjær, J. B., Hansen, T. M., Arendt-Nielsen, L., Ejskjaer, N. & Mørch, C. D., Apr 2023, In: Pain. 164, 4, p. 886-894 9 p.

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5 Citations (Scopus)

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Placental volume, thickness and transverse relaxation time (T2*) estimated by magnetic resonance imaging in relation to small for gestational age at birth

Mydtskov, N. D., Sinding, M., Aarøe, K. K., Thaarup, L. V., Madsen, S. B. B., Hansen, D. N., Frøkjær, J. B., Peters, D. A. & Sørensen, A. N. W., Mar 2023, In: European Journal of Obstetrics & Gynecology and Reproductive Biology. 282, p. 72-76 5 p.

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Quantification of parenchymal fibrosis in chronic pancreatitis: relation to atrophy and pancreatic function

Steinkohl, E., Olesen, S. S., Hansen, T. M., Drewes, A. M. & Frøkjær, J. B., Mar 2023, In: Acta Radiologica. 64, 3, p. 936-944 9 p.

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Single- and multiparameter magnetic resonance imaging for diagnosing and severity grading of chronic pancreatitis

Olesen, S. S., Steinkohl, E., Hansen, T. M., Drewes, A. M. & Frøkjær, J. B., Feb 2023, In: Abdominal Radiology. 48, 2, p. 630-641 12 p.

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2 Citations (Scopus)

T2* weighted fetal MRI and the correlation with placental dysfunction

Baadsgaard, K., Hansen, D. N., Peters, D. A., Frøkjær, J. B., Sinding, M. & Sørensen, A., Jan 2023, In: Placenta. 131, p. 90-97 8 p.

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The co-existence of sensory and autonomic neuropathy in type 1 diabetes with and without pain

Røikjer, J., Croosu, S. S., Hansen, T. M., Frøkjær, J. B., Brock, C., Mørch, C. D. & Ejskjaer, N., Jun 2023, In: Acta Diabetologica. 60, 6, p. 777–785 9 p.

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1 Citation (Scopus)

Vitamin K supplementation and bone mineral density in dialysis: results of the double-blind, randomized, placebo-controlled RenaKvit trial

Levy-Schousboe, K., Marckmann, P., Frimodt-Møller, M., Peters, C. D., Kjærgaard, K. D., Jensen, J. D., Strandhave, C., Sandstrøm, H., Hitz, M. F., Langdahl, B., Vestergaard, P., Brasen, C. L., Schmedes, A., Madsen, J. S., Jørgensen, N. R., Frøkjær, J. B., Frandsen, N. E., Petersen, I. & Hansen, D., Oct 2023, In: Nephrology, Dialysis, Transplantation. 38, 10, p. 2131–2142 12 p., gfac315.

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2022

Altered functional connectivity between brain structures in adults with type 1 diabetes and polyneuropathy

Croosu, S. S., Hansen, T. M., Brock, B., Mohr Drewes, A., Brock, C. & Frøkjær, J. B., 1 Jun 2022, In: Brain Research. 1784, 147882.

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5 Citations (Scopus)

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A rare Danish case of Yersinia pseudotuberculosis pyogenic liver abscess

Dudina, M., Søgaard, K. K., Deleuran, T., Joensen, K. G., Frøkjær, J. B. & Nielsen, H. L., Oct 2022, In: Clinical Case Reports. 10, 10, 5 p., e6464.

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Colonic volume in patients with functional constipation or irritable bowel syndrome determined by magnetic resonance imaging

Klinge, M. W., Krogh, K., Mark, E. B., Drewes, A. M., Brix, L., Isaksen, C., Dedelaite, M., Frøkjaer, J. B. & Fynne, L. V., Sept 2022, In: Neurogastroenterology and Motility. 34, 9, 8 p., e14374.

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2 Citations (Scopus)

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Disrupted white matter integrity in the brain of type 1 diabetes is associated with peripheral neuropathy and abnormal brain metabolites

Muthulingam, J. A., Brock, C., Hansen, T. M., Drewes, A. M., Brock, B. & Frøkjær, J. B., Sept 2022, In: Journal of Diabetes and its Complications. 36, 9, 108267.

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Gray Matter Brain Alterations in Type 1 Diabetes - Findings Based on Detailed Phenotyping of Neuropathy Status

Croosu, S. S., Hansen, T. M., Røikjer, J., Mørch, C. D., Ejskjaer, N. & Frøkjær, J. B., Nov 2022, In: Experimental and Clinical Endocrinology and Diabetes. 130, 11, p. 730-739 10 p.

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Hepatic steatosis in patients with schizophrenia: a clinical cross-sectional study

Aarøe, A. S. K., Odgaard Maeng, K., Leifsdottir Jacobsen, R., Eggert Jensen, S., Graff, C., Polcwiartek, C., Bolvig Mark, E., Dalsgaard, A. B., Tranekaer Hostrup, C., Veiss-Pedersen, P., Frøkjaer, J. B., Aagaard, J. & Nielsen, R. E., 2022, In: Nordic Journal of Psychiatry. 76, 2, p. 114-119 6 p.

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3 Citations (Scopus)

Indentation of a pressurized silicon stomach model - A non-invasive study of gastric wall stiffness and pressurized gastric content stiffness

Liao, D., Mark, E. B., Nedergaard, R. B., Jensen, L. R., Bertoli, D., Frøkjær, J. B., Yu, D., Zhao, J., Brock, C. & Drewes, A. M., Nov 2022, In: Journal of the mechanical behavior of biomedical materials. 135, 105449.

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MRI-based quantification of renal fat in obese individuals using different image analysis approaches

Gjela, M., Askeland, A., Frøkjær, J. B., Mellergaard, M. & Handberg, A., Oct 2022, In: Abdominal Radiology. 47, 10, p. 3546-3553 8 p.

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2 Citations (Scopus)

Overlap and cumulative effects of pancreatic duct obstruction, abnormal pain processing and psychological distress on patient-reported outcomes in chronic pancreatitis

Olesen, S. S., Phillips, A. E., Faghih, M., Kuhlmann, L., Steinkohl, E., Frøkjær, J. B., Bick, B. L., Ramsey, M. L., Hart, P. A., Garg, P. K., Singh, V. K., Yadav, D., Drewes, A. M. & Pancreatic Quantitative Sensory Testing (P-QST) Consortium, Dec 2022, In: Gut. 71, 12, p. 2518-2525 8 p.

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11 Citations (Scopus)

Perfusion fraction derived from IVIM analysis of diffusion-weighted MRI in the assessment of placental vascular malperfusion antenatally

Malmberg, M., Kragsterman, E., Sinding, M., Hansen, D. N., Peters, D. A., Frøkjær, J. B., Petersen, A. C. & Sørensen, A., Mar 2022, In: Placenta. 119, p. 1-7 7 p.

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8 Citations (Scopus)

Reduced gray matter brain volume and cortical thickness in adults with type 1 diabetes and neuropathy

Hansen, T. M., Muthulingam, J. A., Brock, B., Drewes, A. M., Juhl, A., Vorum, H., Jakobsen, P. E., Karmisholt, J., Brock, C. & Frøkjær, J. B., Mar 2022, In: Neuroscience Research. 176, p. 66-72 7 p.

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Reduced Thalamic Volume and Metabolites in Type 1 Diabetes with Polyneuropathy

Hansen, T. M., Frøkjær, J. B., Selvarajah, D., Muthulingam, J. A., Tesfaye, S., Juhl, A., Drewes, A. M., Jakobsen, P. E., Karmisholt, J., Brock, B. & Brock, C., May 2022, In: Experimental and Clinical Endocrinology and Diabetes. 130, 5, p. 327-334 8 p.

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11 Citations (Scopus)

Risk of Pacing-Induced Cardiomyopathy in Patients with High-Degree Atrioventricular Block—Impact of Right Ventricular Lead Position Confirmed by Computed Tomography

Fruelund, P. Z., Sommer, A., Frøkjær, J. B., Lundbye-Christensen, S., Zaremba, T., Søgaard, P., Graff, C., Vraa, S., Mahalingasivam, A. A., Thøgersen, A. M., Pedersen, M. R. & Riahi, S., 5 Dec 2022, In: Journal of Clinical Medicine . 11, 23, 7228.

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Sex differences in microvascular function across lower leg muscles in humans

Molbo, L., Hansen, R. K., Østergaard, L. R., Frøkjær, J. B. & Larsen, R. G., Jan 2022, In: Microvascular Research. 139, 104278.

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6 Citations (Scopus)

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Structural imaging findings are related to clinical complications in chronic pancreatitis

Nordaas, I. K., Tjora, E., Dimcevski, G., Haldorsen, I. S., Olesen, S. S., Drewes, A. M., Zviniene, K., Barauskas, G., Bayram, B. K., Nørregaard, P., Borch, A., Nøjgaard, C., Jensen, A. B., Kardasheva, S. S., Okhlobystin, A., Hauge, T., Waage, A., Frøkjær, J. B., Engjom, T. & Scandinavian Baltic Pancreatic Club, May 2022, In: United European Gastroenterology Journal. 10, 4, p. 385-395 11 p.

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T2*-weighted placental magnetic resonance imaging: a biomarker of placental dysfunction in small-for-gestational-age pregnancies

Hansen, D. N., Sinding, M., Petersen, A., Christiansen, O. B., Uldbjerg, N., Peters, D. A., Frøkjær, J. B. & Sørensen, A., May 2022, In: American journal of obstetrics & gynecology MFM. 4, 3, 100578.

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The Histamine-Induced Axon-Reflex Response in People With Type 1 Diabetes With and Without Peripheral Neuropathy and Pain: A clinical, observational study

Røikjer, J., Croosu, S. S., Hansen, T. M., Frøkjær, J. B., Andersen, H. H., Arendt-Nielsen, L., Mørch, C. D. & Ejskjaer, N., Jul 2022, In: The Journal of Pain. 23, 7, p. 1167-1176 10 p.

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Two-Week Cervical Vagus Nerve Stimulation in Chronic Pancreatitis Patients Induces Functional Connectivity Changes of Limbic Structures

Muthulingam, J. A., Hansen, T. M., Olesen, S. S., Drewes, A. M. & Frøkjaer, J. B., Apr 2022, In: Neuromodulation: Technology at the Neural Interface. 25, 3, p. 471-478 8 p.

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Ultra-low-dose non-contrast CT and CT angiography can be used interchangeably for assessing maximal abdominal aortic diameter

Borgbjerg, J., Christensen, H. S., Al-Mashhadi, R., Bøgsted, M., Frøkjær, J. B., Medrud, L., Larsen, N. E. & Lindholt, J. S., Oct 2022, In: Acta Radiologica Open. 11, 10, p. 1-9 9 p.

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White matter brain changes in chronic pancreatitis: A 7-year longitudinal follow-up study

Muthulingam, J. A., Olesen, S. S., Hansen, T. M., Drewes, A. M. & Frøkjær, J. B., Nov 2022, In: Pancreatology. 22, 7, p. 871-879 9 p.

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2021

Aetiological risk factors are associated with distinct imaging findings in patients with chronic pancreatitis: A study of 959 cases from the Scandinavian Baltic Pancreatic Club (SBPC) imaging database

Engjom, T., Nordaas, I. K., Tjora, E., Dimcevski, G., Haldorsen, I. S., Olesen, S. S., Drewes, A. M., Zviniene, K., Barauskas, G., Riis Jespersen, H. S., Jensen, N., Borch, A., Nøjgaard, C., Novovic, S., Kardasheva, S. S., Okhlobystin, A., Hauge, T., Waage, A. & Frøkjær, J. B., Jun 2021, In: Pancreatology. 21, 4, p. 688-697 10 p.

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