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https://www.readbyqxmd.com/read/28257341/decreased-axon-flare-reaction-to-electrical-stimulation-in-patients-with-chronic-demyelinating-inflammatory-polyneuropathy
#1
Panagiotis Kokotis, Martin Schmelz, Aikaterini E Papagianni, Thomas Zambelis, Nikos Karandreas
PURPOSE: In chronic inflammatory demyelinating polyradiculopathy (CIDP), the impairment of unmyelinated nerve fibers appears unexpected. The measurement of the electrically induced axon flare reflex is a clinical test to assess the peripheral C-nociceptor function. In this study, we compared the flare area in patients suffering from CIDP with healthy subjects. METHODS: We examined 18 patients fulfilling the criteria for CIDP (11 men, mean age 51.8 years, SD 15.1) and 18 age-matched adult healthy volunteers (control group) (11 men, mean age 51...
March 2017: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/28247959/therapeutic-plasma-exchange-in-chronic-dysimmune-peripheral-neuropathies-a-10-year-retrospective-study
#2
Philippe Codron, Maud Cousin, Jean-François Subra, Vivien Pautot, Franck Letournel, Christophe Verny, Julien Cassereau
INTRODUCTION: Therapeutic plasma exchange (TPE) can be proposed in the treatment of chronic dysimmune peripheral neuropathies (CDPN). Actual guidelines are however based on few studies, and indications and protocols still remain to be clarified. We conducted a 10-year retrospective study in order to assess the effectiveness and tolerance of TPE in CDPN. METHODS: All patients treated for CDPN with TPE from October 2006 to March 2016 in the university hospital of Angers were included...
March 1, 2017: Journal of Clinical Apheresis
https://www.readbyqxmd.com/read/28215575/fibronectin-connecting-segment-1-peptide-inhibits-pathogenic-leukocyte-trafficking-and-inflammatory-demyelination-in-experimental-models-of-chronic-inflammatory-demyelinating-polyradiculoneuropathy
#3
Chaoling Dong, Kelsey M Greathouse, Rebecca L Beacham, Steven P Palladino, E Scott Helton, Eroboghene E Ubogu
The molecular determinants of pathogenic leukocyte migration across the blood-nerve barrier (BNB) in chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) are unknown. Specific disease modifying therapies for CIDP are also lacking. Fibronectin connecting segment-1 (FNCS1), an alternatively spliced fibronectin variant expressed by microvascular endothelial cells at sites of inflammation in vitro and in situ, is a counterligand for leukocyte α4 integrin (also known as CD49d) implicated in pathogenic leukocyte trafficking in multiple sclerosis and inflammatory bowel disease...
February 16, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28112008/measuring-disease-activity-and-clinical-response-during-maintenance-therapy-in-cidp-from-ice-trial-outcome-measures-to-future-clinical-biomarkers
#4
Hans D Katzberg, Norman Latov, Francis O Walker
Some patients with chronic inflammatory demyelinating polyradiculoneuropathy who respond to initial intravenous immunoglobulin require repeated courses over prolonged periods of time; however, evidence to guide dosage and interval of intravenous immunoglobulin during maintenance therapy is limited. Optimizing treatment requires assessment of underlying disease activity and clinical outcome. Electrophysiological measures of demyelination, and clinical measures using handgrip strength and walking velocity promise to be particularly informative...
January 23, 2017: Neurodegenerative Disease Management
https://www.readbyqxmd.com/read/28073817/paranodal-dissection-in-chronic-inflammatory-demyelinating-polyneuropathy-with-antineurofascin-155-and-anticontactin-1-antibodies
#5
Haruki Koike, Masato Kadoya, Ken-Ichi Kaida, Shohei Ikeda, Yuichi Kawagashira, Masahiro Iijima, Daisuke Kato, Hidenori Ogata, Ryo Yamasaki, Noriyuki Matsukawa, Jun-Ichi Kira, Masahisa Katsuno, Gen Sobue
OBJECTIVE: To investigate the morphological features of chronic inflammatory demyelinating polyneuropathy (CIDP) with autoantibodies directed against paranodal junctional molecules, particularly focusing on the fine structures of the paranodes. METHODS: We assessed sural nerve biopsy specimens obtained from 9 patients with CIDP with antineurofascin-155 antibodies and 1 patient with anticontactin-1 antibodies. 13 patients with CIDP without these antibodies were also examined to compare pathological findings...
January 10, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28070468/multiple-myeloma-associated-chronic-inflammatory-demyelinating-polyradiculoneuropathy-the-importance-of-continued-surveillance
#6
Adebayo A Fasanya, Michael F Loncharich, Viral Gandhi, Sandeep Rana, Marvin Balaan
Chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) is an autoimmune disease presenting with weakness and numbness in a remitting or chronic progressive course. It is known to have several clinical presentations and several associated diseases. CIDP has been associated with multiple myeloma, monoclonal gammopathy of undetermined significance (MGUS), and other paraproteinemias. We present a case of refractory CIDP in which the initial workup for multiple myeloma was negative, and multiple myeloma was then diagnosed two and half years later...
November 28, 2016: Curēus
https://www.readbyqxmd.com/read/28054000/a-comparative-study-of-cidp-in-a-cohort-of-hiv-infected-and-hiv-uninfected-patients
#7
Kaminie Moodley, Pierre L A Bill, Vinod Bhagu Patel
OBJECTIVE: To investigate differences in clinical presentation, electrodiagnostic measures, CSF changes, and treatment outcome measures in HIV-infected and HIV-uninfected patients with chronic inflammatory demyelinating polyneuropathy (CIDP). METHODS: A retrospective analysis of medical records of all patients meeting the European Federation of Neurology diagnostic criteria for idiopathic CIDP was performed in 2 neuromuscular units in Kwa-Zulu Natal between 2003 and 2015...
March 2017: Neurology® Neuroimmunology & Neuroinflammation
https://www.readbyqxmd.com/read/28025411/a-case-of-anti-neurofascin-155-antibody-positive-combined-central-and-peripheral-demyelination-successfully-treated-with-plasma-exchange
#8
Mikito Shimizu, Tohru Koda, Yuji Nakatsuji, Hidenori Ogata, Jun-Ichi Kira, Hideki Mochizuki
A 21-year-old man was admitted to our hospital in June 2015. He felt paresthesia of toes in April 2015, which had been spreading upward, and he became difficult to walk in June. Nerve conduction study showed peripheral demyelinating neuropathy that met the diagnostic criteria for chronic inflammatory demyelinating polyneuropathy (CIDP), and the cerebrospinal fluid (CSF) examination revealed the remarkably increased protein level. In addition, magnetic resonance imaging of his brain showed a few plaques in white matter, so he was finally diagnosed with combined central and peripheral demyelination (CCPD)...
December 23, 2016: Rinshō Shinkeigaku, Clinical Neurology
https://www.readbyqxmd.com/read/28017218/clinical-characteristics-and-impairment-and-disability-scale-scores-for-different-cidp-disease-activity-status-classes
#9
Majed Alabdali, Alon Abraham, Abdulla Alsulaiman, Ari Breiner, Carolina Barnett, Hans D Katzberg, Leif E Lovblom, Bruce A Perkins, Vera Bril
INTRODUCTION: Selecting proper outcome measures is important for clinical practice and clinical studies assessing treatable neuropathies, such as chronic inflammatory demyelinating polyneuropathy (CIDP). OBJECTIVES: To explore clinical characteristics and impairment and disability scores in CIDP patients, and assess their relationship to different CIDP Disease Activity Status (CDAS) classes. METHODS: We performed a retrospective chart review of CIDP patients attending the neuromuscular clinic between January 2014 and December 2015, and explored clinical characteristics, and various impairment and disability scores for different CDAS classes...
January 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28000311/subcutaneous-immunoglobulin-as-first-line-therapy-in-treatment-naive-patients-with-chronic-inflammatory-demyelinating-polyneuropathy-randomized-controlled-trial-study
#10
L H Markvardsen, S H Sindrup, I Christiansen, N K Olsen, J Jakobsen, H Andersen
BACKGROUND AND PURPOSE: Subcutaneous immunoglobulin (SCIG) is effective as maintenance treatment in chronic inflammatory demyelinating polyneuropathy (CIDP). We investigated whether multiple subcutaneous infusions are as effective as conventional therapy with intravenous loading doses in treatment-naive patients with CIDP. METHODS: Twenty patients fulfilling the clinical and electrophysiological criteria for CIDP were included and treated with either SCIG (0.4 g/kg/week) for 5 weeks or intravenous immunoglobulin (IVIG) (0...
February 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/27997686/electrophysiological-and-neuromuscular-stability-of-persons-with-chronic-inflammatory-demyelinating-polyneuropathy
#11
Kevin J Gilmore, Matti D Allen, Timothy J Doherty, Kurt Kimpinski, Charles L Rice
INTRODUCTION: We assessed motor unit (MU) properties and neuromuscular stability in the tibialis anterior (TA) of chronic inflammatory demyelinating polyneuropathy (CIDP) patients using decomposition-based quantitative electromyography. METHODS: Dorsiflexion strength was assessed, and surface and concentric needle electromyography were sampled from the TA. Estimates of MU numbers were derived using decomposition-based quantitative electromyography and spike-triggered averaging...
December 20, 2016: Muscle & Nerve
https://www.readbyqxmd.com/read/27986399/paranodal-lesions-in-chronic-inflammatory-demyelinating-polyneuropathy-associated-with-anti-neurofascin-155-antibodies
#12
Jean-Michel Vallat, Nobuhiro Yuki, Kenji Sekiguchi, Norito Kokubun, Nobuyuki Oka, Stéphane Mathis, Laurent Magy, Diane L Sherman, Peter J Brophy, Jérôme J Devaux
Antibodies to Contactin-1 and Neurofascin 155 (Nfasc155) have recently been associated with subsets of patients with chronic inflammatory demyelinating polyneuropathy (CIDP). Contactin-1 and Nfasc155 are cell adhesion molecules that constitute the septate-like junctions observed by electron microscopy in the paranodes of myelinated axons. Antibodies to Contactin-1 have been shown to affect the localization of paranodal proteins both in patient nerve biopsies and in animal models after passive transfer. However, it is unclear whether these antibodies alter the paranodal ultrastructure...
March 2017: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/27951607/-chronic-inflammatory-demyelinating-polyneuropathy
#13
M Balke, G Wunderlich, A Brunn, G R Fink, H C Lehmann
Chronic inflammatory demyelinating polyneuropathy (CIDP) is a chronic progressive or relapsing autoimmune neuropathy with heterogeneous clinical presentation. Symptoms typically include symmetrical, proximal and/or distal paresis and sensory loss. Atypical CIDP variants are increasingly recognized, including subtypes with rapid onset as well as variants with pure sensory, focal or marked asymmetrical deficits. Diagnosis is established by compatible symptoms, characteristic electrophysiological features and cerebrospinal fluid analysis...
December 2016: Fortschritte der Neurologie-Psychiatrie
https://www.readbyqxmd.com/read/27930572/acute-onset-chronic-inflammatory-demyelinating-polyneuropathy-in-hantavirus-and-hepatitis-b-virus-coinfection-a-case-report
#14
Jong Youb Lim, Young-Ho Lim, Eun-Hi Choi
INTRODUCTION: Chronic inflammatory demyelinating polyneuropathy (CIDP) is an acquired autoimmune disorder with progressive weakness. Acute-onset CIDP resembles Guillain-Barre syndrome (GBS), a rapidly progressive disorder, and follows a chronic course. To our knowledge, no case of acute-onset CIDP in hantavirus and hepatitis B virus (HBV) coinfection has been reported previously. CLINICAL FINDINGS: We report a case of acute-onset CIDP that was initially diagnosed as GBS...
December 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27927940/diagnostic-value-of-sonography-in-treatment-naive-chronic-inflammatory-neuropathies
#15
H Stephan Goedee, W Ludo van der Pol, Jan-Thies H van Asseldonk, Hessel Franssen, Nicolette C Notermans, Alexander J F E Vrancken, Michael A van Es, Stavros Nikolakopoulos, Leo H Visser, Leonard H van den Berg
OBJECTIVE: To determine the diagnostic value of high-resolution ultrasound (HRUS) for detection of chronic inflammatory demyelinating polyneuropathy (CIDP), Lewis-Sumner syndrome (LSS), and multifocal motor neuropathy (MMN). METHODS: Between January 2013 and January 2015, we enrolled 75 consecutive treatment-naive patients with chronic inflammatory neuropathies and 70 disease controls. We performed extensive nerve conduction and standardized HRUS studies bilaterally of large arm and leg nerves and brachial plexus...
January 10, 2017: Neurology
https://www.readbyqxmd.com/read/27918219/a-new-treatment-regimen-with-high-dose-and-fractioned-immunoglobulin-in-a-special-subgroup-of-severe-and-dependent-cidp-patients
#16
Rabab Debs, Pauline Reach, Corina Cret, Sophie Demeret, Samir Saheb, Thierry Maisonobe, Karine Viala
BACKGROUND: Chronic inflammatory demyelinating polyneuropathy (CIDP) is treated with intravenous immunoglobulins (IVIg), corticosteroids or plasma exchange (PE). IVIg dosage is not universal and markers for treatment management are needed. METHODS: We report the response to high-dose and fractioned IVIg in a subgroup of definite CIDP patients, resistant to corticosteroids and PE, responders to IVIg but with an efficacy window <15 d. RESULTS: Four patients were included with similar predominantly clinical motor form and conduction abnormalities...
December 20, 2016: International Journal of Neuroscience
https://www.readbyqxmd.com/read/27916751/-autoantibodies-in-chronic-inflammatory-neuropathies
#17
Ryo Yamasaki
Autoantibodies in chronic demyelinating neuropathies have been explored for several years. Recently, the peptides in the nodes of Ranvier have been the focus of attention in finding targets of autoantibodies. Until now, the most popular autoantibodies have been contactin-1 and neurofascin-155 for chronic demyelinating polyradiculoneuropathy (CIDP), GM1-ganglioside for multifocal motor neuropathy, and myelin-associated glycoprotein for polyneuropathy associated with monoclonal gammopathy of unknown significance...
December 2016: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/27902997/chronic-inflammatory-demyelinating-polyradiculoneuropathy-cidp-clinical-features-diagnosis-and-current-treatment-strategies
#18
Jacques Reynolds, George Sachs, Kara Stavros
Chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) is an acquired immune-mediated disorder characterized by weakness and sensory deficits that can lead to significant neurological disability. The diagnosis is based on a combination of clinical examination findings, electrodiagnostic studies, and other supportive evidence. Recognizing CIDP and distinguishing it from other chronic polyneuropathies is important because many patients with CIDP are highly responsive to treatment with immunosuppressive or immunomodulatory therapies...
December 1, 2016: Rhode Island Medical Journal
https://www.readbyqxmd.com/read/27878436/peripheral-nerve-ultrasound-scoring-systems-benchmarking-and-comparative-analysis
#19
Alexander Grimm, Tim W Rattay, Natalie Winter, Hubertus Axer
Ultrasound of the nerves is an additive diagnostic tool to evaluate polyneuropathy. Recently, the need for standardized scoring systems has widely been discussed; different scores are described so far. Therefore, 327 patients with polyneuropathy were analyzed by ultrasound in our laboratory. Consequently, several ultrasound scoring tools were applied, i.e., the nerve pattern classification according to Padua et al. in all patients with CIDP and variants, the Bochum ultrasound score (BUS) and the neuritis ultrasound protocol in immune-mediated neuritis, the ultrasound pattern sum score, the homogeneity score, and the nerve enlargement distribution score in all neuropathies if possible...
November 22, 2016: Journal of Neurology
https://www.readbyqxmd.com/read/27866733/review-of-the-literature-articles-published-in-the-last-five-years-that-have-changed-my-daily-practice
#20
REVIEW
E Delmont
Over the last five years, the management of peripheral neuropathies has become structured by the publication of recognized diagnostic criteria for inflammatory neuropathies and the elaboration of a function score, the R-ODS, used to evaluate the progression of these neuropathies. The concept of nodo-paranodopathy has enriched the concept of peripheral neuropathies, over-riding the classical mechanisms of axonal and demyelinating mechanisms. The structures of the nodes of Ranvier, gangliosides, contractin and neurofascin are preferential targets for auto-antibodies responsible for dysimmune neuropathies...
December 2016: Revue Neurologique
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