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Cavan EL, Belcher A, Atkinson A, Hill SL, Kawaguchi S, McCormack S, Meyer B, Nicol S, Ratnarajah L, Schmidt K, Steinberg DK, Tarling GA, Boyd PW. The importance of Antarctic krill in biogeochemical cycles. Nat Commun 2019; 10:4742. [PMID: 31628346 PMCID: PMC6800442 DOI: 10.1038/s41467-019-12668-7] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Accepted: 09/25/2019] [Indexed: 02/02/2023] Open
Abstract
Antarctic krill (Euphausia superba) are swarming, oceanic crustaceans, up to two inches long, and best known as prey for whales and penguins - but they have another important role. With their large size, high biomass and daily vertical migrations they transport and transform essential nutrients, stimulate primary productivity and influence the carbon sink. Antarctic krill are also fished by the Southern Ocean's largest fishery. Yet how krill fishing impacts nutrient fertilisation and the carbon sink in the Southern Ocean is poorly understood. Our synthesis shows fishery management should consider the influential biogeochemical role of both adult and larval Antarctic krill.
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Bronstein FN, Meyer B, Condat B, Loria A, Bronstein JA. Secondary syphilitic hepatitis in a fifteen-year-old boy. Med Mal Infect 2019; 49:625-627. [PMID: 31611136 DOI: 10.1016/j.medmal.2019.07.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Revised: 01/31/2019] [Accepted: 07/03/2019] [Indexed: 01/20/2023]
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Straube C, Antoni S, Schaffer P, Gempt J, Zimmer C, Meyer B, Combs S, Schmidt-Graf F. EP-1214 Patterns of care: Treatment of glioblastoma in elderly patients. Radiother Oncol 2019. [DOI: 10.1016/s0167-8140(19)31634-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Steinhauer K, Rödger HJ, Teckemeyer K, Christiansen B, Gebel J, Martiny H, Meyer B, Ostermeyer C, Vossebein L. Why volume matters – implications of applied volume of alcohol-based disinfectants for infection prevention. J Hosp Infect 2019; 101:423-425. [DOI: 10.1016/j.jhin.2018.09.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2018] [Accepted: 09/23/2018] [Indexed: 11/26/2022]
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Hinrichs J, Maschke S, Winther H, Meine T, Werncke T, Olsson K, Hoeper M, Baumgart J, Wacker F, Renne J, Meyer B. 03:00 PM Abstract No. 151 2D parametric parenchymal blood flow (2D-PPBF) measurements for monitoring of balloon pulmonary angioplasty (BPA) as treatment of chronic thromboembolic pulmonary hypertension (CTEPH). J Vasc Interv Radiol 2019. [DOI: 10.1016/j.jvir.2018.12.202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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31
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Negwer C, Rautu I, Sollmann N, Ille S, Meyer B, Krieg S. nrTMS-based DTI fiber tracking for language-relevant subcortical fiber tracts: feasibility of the probabilistic algorithm. Brain Stimul 2019. [DOI: 10.1016/j.brs.2018.12.424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Negwer C, Ille S, Sollmann N, Meyer B, Krieg S. Correlation of nTMS-based DTI fiber tracking and postsurgical neurological function in patients with motor eloquent space-occupying lesions. Brain Stimul 2019. [DOI: 10.1016/j.brs.2018.12.423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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33
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Ille S, Fendel A, Meyer B, Krieg S. Cortical language function in glioma patients as measured by nrTMS. Brain Stimul 2019. [DOI: 10.1016/j.brs.2018.12.325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Meine T, Hinrichs J, Brunkhorst T, Kirstein M, Wacker F, Meyer B. 03:27 PM Abstract No. 434 Comparison of tumor and liver enhancement on preinterventional MDCT, CBCT, SPECT, and postinterventional PET in patients with HCC undergoing SIRT. J Vasc Interv Radiol 2019. [DOI: 10.1016/j.jvir.2018.12.514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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35
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Sollmann N, Schramm S, Ille S, Meyer B, Krieg S. Application of navigated transcranial magnetic stimulation to map the supplementary motor area in healthy subjects. Brain Stimul 2019. [DOI: 10.1016/j.brs.2018.12.518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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36
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Kropp P, Meyer B, Dresler T, Fritsche G, Gaul C, Niederberger U, Förderreuther S, Malzacher V, Jürgens TP, Marziniak M, Straube A. [Relaxation techniques and behavioural therapy for the treatment of migraine : Guidelines from the German Migraine and Headache Society]. Schmerz 2019; 31:433-447. [PMID: 28364171 DOI: 10.1007/s00482-017-0214-1] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Besides pharmacological and interventional possibilities nonpharmacological options, deriving from behavioural approaches may be helpful in the treatment of migraine. Already consulting a patient reduces frequency of attacks. Relaxation (especially progressive muscle relaxation), endurance sports, and biofeedback as well as cognitive behavioural therapy are effective in treatment of migraine. The combination of these treatment options also with pharmacological treatment increase the positive effects.
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Gemein S, Meyer B, Gebel J, Roques C, Steinhauer K. Response to J-Y. Maillard: Are amine-only-containing products sporicidal? J Hosp Infect 2018; 100:e68-e69. [DOI: 10.1016/j.jhin.2018.04.021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Accepted: 04/26/2018] [Indexed: 10/17/2022]
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Pereira F, Lopes H, Maia P, Meyer B, Konstantinidis D, Kafkia E, Kötter P, Rocha I, Patil K. Yeast chassis design for production of dicarboxylic acids. N Biotechnol 2018. [DOI: 10.1016/j.nbt.2018.05.181] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Hu S, Meyer B, Duggal M. A silver renaissance in dentistry. Eur Arch Paediatr Dent 2018; 19:221-227. [DOI: 10.1007/s40368-018-0363-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Accepted: 05/19/2018] [Indexed: 02/04/2023]
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Meyer B, Keller A, Wöhlbier HG, Müller B, Kropp P. Progressive Muskelrelaxation nach Jacobson reduziert die Anzahl der Migränetage und normalisiert Amplituden bei der Messung der contingent negative variation. Psychother Psychosom Med Psychol 2018. [DOI: 10.1055/s-0038-1668017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Tschugg A, Meyer B, Stoffel M, Vajkoczy P, Ringel F, Eicker SO, Rohde V, Thomé C. [Erratum to: Operative treatment of the degenerative cervical spine]. DER NERVENARZT 2018; 89:927. [PMID: 30014217 DOI: 10.1007/s00115-018-0578-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
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Lüpke J, Müller B, Meyer B, Müller-Hilke B, Kropp P. Validierung einer OSCE-Station zur Medizinischen Psychologie und Medizinischen Soziologie durch einen Empathie-Fragebogen. Psychother Psychosom Med Psychol 2018. [DOI: 10.1055/s-0038-1668037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Wank M, Schilling D, Reindl J, Meyer B, Gempt J, Motov S, Alexander F, Wilkens JJ, Schlegel J, Schmid TE, Combs SE. Evaluation of radiation-related invasion in primary patient-derived glioma cells and validation with established cell lines: impact of different radiation qualities with differing LET. J Neurooncol 2018; 139:583-590. [PMID: 29882045 DOI: 10.1007/s11060-018-2923-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Accepted: 06/05/2018] [Indexed: 11/29/2022]
Abstract
PURPOSE Glioblastoma multiforme (GBM) is the most common primary brain tumor and has a very poor overall prognosis. Multimodal treatment is still inefficient and one main reason is the invasive nature of GBM cells, enabling the tumor cells to escape from the treatment area causing tumor progression. This experimental study describes the effect of low- and high-LET irradiation on the invasion of primary GBM cells with a validation in established cell systems. METHODS Seven patient derived primary GBM as well as three established cell lines (LN229, LN18 and U87) were used in this study. Invasion was investigated using Matrigel® coated transwell chambers. Irradiation was performed with low- (X-ray) and high-LET (alpha particles) radiation. The colony formation assay was chosen to determine the corresponding alpha particle dose equivalent to the X-ray dose. RESULTS 4 Gy X-ray irradiation increased the invasive potential of six patient derived GBM cells as well as two of the established lines. In contrast, alpha particle irradiation with an equivalent dose of 1.3 Gy did not show any effect on the invasive behavior. The findings were validated with established cell lines. CONCLUSION Our results show that in contrast to low-LET irradiation high-LET irradiation does not enhance the invasion of established and primary glioblastoma cell lines. We therefore suggest that high-LET irradiation could become an alternative treatment option. To fully exploit the benefits of high-LET irradiation concerning the invasion of GBM further molecular studies should be performed.
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Krieg SM, Vajkoczy P, Eicker SO, Rohde V, Thome C, Stoffel M, Ringel F, Meyer B. [Surgical treatment of adult spinal deformities]. DER NERVENARZT 2018; 89:648-657. [PMID: 29679126 DOI: 10.1007/s00115-018-0515-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
BACKGROUND Adult spinal deformity (ASD) is mostly a progressive disease which usually leads to chronic pain. Due to increased prevalence in older people many patients suffer from comorbidities, which make conservative and surgical treatment even more complex. OBJECTIVE This article provides an overview on the current conservative and surgical treatment options. MATERIAL AND METHODS An extensive literature search was carried out via Medline plus an additional evaluation of the authors' personal experiences was performed. RESULTS The current conservative and surgical treatments are outlined and potential risk factors and predictors which may lead to inferior clinical outcome are discussed. CONCLUSION Patients for whom even conservative treatment leads to success should be identified earlier and better. The surgical treatment ranges from minimally invasive decompression to multilevel fusions. Complications in large corrective interventions can be substantial but if the indications are correctly assessed, such complex surgical treatment has excellent clinical results in terms of pain and quality of life.
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Czabanka M, Thomé C, Ringel F, Meyer B, Eicker SO, Rohde V, Stoffel M, Vajkoczy P. [Operative treatment of degenerative diseases of the lumbar spine]. DER NERVENARZT 2018; 89:639-647. [PMID: 29679129 DOI: 10.1007/s00115-018-0523-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
BACKGROUND Degenerative diseases of the lumbar spine and associated lower back pain represent a major epidemiological and health-related economic challenge. A distinction is made between specific and unspecific lower back pain. In specific lower back pain lumbar disc herniation and spinal canal stenosis with or without associated segment instability are among the most frequent pathologies. Diverse conservative and operative strategies for treatment of these diseases are available. OBJECTIVES The aim of this article is to present an overview of current data and an evidence-based assessment of the possible forms of treatment. MATERIAL AND METHODS An extensive literature search was carried out via Medline plus an additional evaluation of the authors' personal experiences. RESULTS Conservative and surgical treatment represent efficient treatment options for degenerative diseases of the lumbar spine. Surgical treatment of lumbar disc herniation shows slight advantages compared to conservative treatment consisting of faster recovery of neurological deficits and a faster restitution of pain control. Surgical decompression is superior to conservative measures for the treatment of spinal canal stenosis and degenerative spondylolisthesis. In this scenario conservative treatment represents an important supporting measure for surgical treatment in order to improve the mobility of patients and the outcome of surgical treatment. CONCLUSION The treatment of specific lower back pain due to degenerative lumbar pathologies represents an interdisciplinary challenge, requiring both conservative and surgical treatment strategies in a synergistic treatment concept in order to achieve the best results for patients.
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Krieg SM, Meyer B. [C5 palsy after multi-segmental cervical decompression : How can it be avoided?]. DER ORTHOPADE 2018; 47:483-488. [PMID: 29632972 DOI: 10.1007/s00132-018-3565-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
BACKGROUND Anterior cervical discectomy and fusion (ACDF) as well as posterior instrumentation of the cervical spine are frequently performed surgeries for cervical disc prolapse or spinal stenosis. Surgery itself harbors a very low risk of adverse events. Postoperative palsy of the C5 nerve root, however, is a severe complication and its origin is still not fully understood. The risk of such a C5 palsy is reported to be between 0 and 30%; 5% on average according to the literature. OBJECTIVES To describe underlying pathomechanisms and to recommend strategies for risk reduction. MATERIALS AND METHODS An extensive literature research via Medline was performed. RESULTS Potential risk factors are male gender, sagittal diameter below 5.6 mm, anterior approach, and higher age. CONCLUSIONS Currently available data only originates from retrospective or anatomical studies. A prospective register study with the goal to put light on the pathogenesis is currently being performed.
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Parker DB, Jennings T, Meyer B, Jennings J, Cole NA, Waldrip H, Casey KD. 363 Enteric Nitrous Oxide Emissions from Beef Feedlot Cattle. J Anim Sci 2018. [DOI: 10.1093/jas/sky073.360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Tschugg A, Meyer B, Stoffel M, Vajkoczy P, Ringel F, Eicker SO, Rhode V, Thomé C. [Operative treatment of the degenerative cervical spine]. DER NERVENARZT 2018; 89:632-638. [PMID: 29619535 DOI: 10.1007/s00115-018-0512-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
BACKGROUND Degenerative alterations of the cervical spine often entail disc herniations and stenoses of the spinal canal and/or neural foramen. Mediolateral or lateral compression of nerve roots causes cervical radiculopathy, which is an indication for surgery in cases of significant motor deficits or refractory pain. Median canal encroachment may result in compression of the spinal cord and cervical myelopathy. Its natural history is typically characterized by episodic deterioration, so that surgical decompression is indicated in cases of clear myelopathic signs. OBJECTIVE The aim of the present article is to outline the operative options for patients with cervical radiculopathy and myelopathy. Furthermore, we describe the operative complications and the outcome in these patients. MATERIAL AND METHODS For this manuscript a systematic PubMed search was carried out, the papers were systematically analyzed for the best evidence and this was combined with the authors' experience. RESULTS AND CONCLUSION Depending on the cervical pathology, the most prevalent surgical options for radiculopathy include anterior cervical discectomy and fusion (ACDF), cervical arthroplasty or posterior cervical foraminotomy. Cervical myelopathy may be decompressed by ACDF, corpectomy or posterior approaches like laminectomy plus instrumented fusion or laminoplasty. The outcome depends on the cervical pathology and the type of operation. Overall, in long-term follow-up studies the results of all surgical techniques on the cervical spine are generally considered to be very good, although specific patient characteristics are more suited for a particular approach.
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Kessel K, Kessel C, Vogel M, Bier H, Biedermann T, Friess H, Herschbach P, Von Eisenhart-Rothe R, Meyer B, Kiechle M, Keller U, Peschel C, Schmid R, Schwaiger M, Combs S. OC-0094: Cancer Clinical Trials - survey evaluating patient participation and attitude in an Oncology Center. Radiother Oncol 2018. [DOI: 10.1016/s0167-8140(18)30404-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Maschke S, Werncke T, Renne J, Marquardt S, Wacker F, Meyer B, Hinrichs J. 3:36 PM Abstract No. 286 Transjugular intrahepatic portosystemic shunt dysfunction: quantitative assessment of perfusion changes using 2D-perfusion angiography following shunt revision. J Vasc Interv Radiol 2018. [DOI: 10.1016/j.jvir.2018.01.318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022] Open
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