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Painful diabetic polyneuropathy

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https://www.readbyqxmd.com/read/29627001/sex-differences-in-neuropathic-pain-intensity-in-diabetes
#1
Alon Abraham, Carolina Barnett, Hans D Katzberg, Leif E Lovblom, Bruce A Perkins, Vera Bril
INTRODUCTION: Sex and gender play roles in the pain experience, such that pain is more frequent in women. Explanations for this observation range from factors related to biological sex to those related to psychosocial gender. OBJECTIVES: To explore neuropathic pain characteristics in females with diabetes with and without established polyneuropathy. METHODS: We compared the presence and intensity of pain in males and females in 2 separate cohorts of patients with type II diabetes, with and without established diabetic polyneuropathy...
May 15, 2018: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/29608799/one-stop-microvascular-screening-service-an-effective-model-for-the-early-detection-of-diabetic-peripheral-neuropathy-and-the-high-risk-foot
#2
O Binns-Hall, D Selvarajah, D Sanger, J Walker, A Scott, S Tesfaye
AIMS: To evaluate the feasibility of a one-stop microvascular screening service for the early diagnosis of diabetic distal symmetrical polyneuropathy, painful distal symmetrical polyneuropathy and the at-risk diabetic foot. METHODS: People with diabetes attending retinal screening in hospital and community settings had their feet examined by a podiatrist. Assessment included: Toronto Clinical Neuropathy Score evaluation; a 10-g monofilament test; and two validated, objective and quick measures of neuropathy obtained using the point-of-care devices 'DPN-Check', a hand-held device that measures sural nerve conduction velocity and amplitude, and 'Sudoscan', a device that measures sudomotor function...
April 2, 2018: Diabetic Medicine: a Journal of the British Diabetic Association
https://www.readbyqxmd.com/read/29568686/transthyretin-familial-amyloid-polyneuropathy-ttr-fap-parameters-for-early-diagnosis
#3
Fabiola Escolano-Lozano, Ana Paula Barreiros, Frank Birklein, Christian Geber
Background: Familial transthyretin amyloidosis is a life-threatening disease presenting with sensorimotor and autonomic polyneuropathy. Delayed diagnosis has a detrimental effect on treatment and prognosis. To facilitate diagnosis, we analyzed data patterns of patients with transthyretin familial amyloid polyneuropathy (TTR-FAP) and compared them to polyneuropathies of different etiology for clinical and electrophysiological discriminators. Methods: Twenty-four patients with TTR-FAP and 48 patients with diabetic polyneuropathy (dPNP) were investigated (neurological impairment score NIS; neurological disability score NDS) in a cross-sectional design...
January 2018: Brain and Behavior
https://www.readbyqxmd.com/read/29551688/opioid-and-noradrenergic-contributions-of-tapentadol-to-the-inhibition-of-locus-coeruleus-neurons-in-the-streptozotocin-rat-model-of-polyneuropathic-pain
#4
Sonia Torres-Sanchez, Gisela Borges, Juan A Mico, Esther Berrocoso
Tapentadol is an analgesic that acts as an agonist of mu-opioid receptors (MOR) and that inhibits noradrenaline reuptake. Data from healthy rats show that tapentadol inhibits neuronal activity in the locus coeruleus (LC), a nucleus regulated by both the noradrenergic and opioid systems. Thus, we set out to investigate the effect of tapentadol on LC activity in streptozotocin (STZ)-induced diabetic rats, a model of diabetic polyneuropathy, by analyzing single-unit extracellular recordings of LC neurons. Four weeks after inducing diabetes, tapentadol dose-response curves were obtained from animals pre-treated with RX821002 or naloxone (alpha2-adrenoceptors and opioid receptors antagonists, respectively)...
March 15, 2018: Neuropharmacology
https://www.readbyqxmd.com/read/29549285/corneal-nerve-fiber-size-adds-utility-to-the-diagnosis-and-assessment-of-therapeutic-response-in-patients-with-small-fiber-neuropathy
#5
Michael Brines, Daniel A Culver, Maryam Ferdousi, Martijn R Tannemaat, Monique van Velzen, Albert Dahan, Rayaz A Malik
Small fiber neuropathy (SFN) is a common feature of many inflammatory diseases, often presenting with pain and disability. SFN is diagnosed using symptoms, thermal threshold testing, and intra-epidermal nerve fiber quantification. Corneal confocal microscopy (CCM) is an ophthalmic imaging technique which non-invasively quantifies corneal nerve fiber (CNF) density, branch density and length, and has comparable diagnostic and superior ability to identify nerve regeneration compared to skin biopsy. CNF size (width and area) depends upon the number of fibers within each nerve, as well as pathology (e...
March 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29522270/long-term-spinal-cord-stimulation-alleviates-mechanical-hypersensitivity-and-increases-peripheral-cutaneous-blood-perfusion-in-experimental-painful-diabetic-polyneuropathy
#6
Maarten van Beek, Denise Hermes, Wiel M Honig, Bengt Linderoth, Sander M J van Kuijk, Maarten van Kleef, Elbert A Joosten
OBJECTIVES: This study utilizes a model of long-term spinal cord stimulation (SCS) in experimental painful diabetic polyneuropathy (PDPN) to investigate the behavioral response during and after four weeks of SCS (12 hours/day). Second, we investigated the effect of long-term SCS on peripheral cutaneous blood perfusion in experimental PDPN. METHODS: Mechanical sensitivity was assessed in streptozotocin induced diabetic rats (n = 50) with von Frey analysis. Hypersensitive rats (n = 24) were implanted with an internal SCS battery, coupled to an SCS electrode covering spinal levels L2-L5...
March 9, 2018: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/29518491/painful-and-painless-neuropathies-are-distinct-and-largely-undiagnosed-entities-in-subjects-participating-in-an-educational-initiative-protect-study
#7
Dan Ziegler, Rüdiger Landgraf, Ralf Lobmann, Karlheinz Reiners, Kristian Rett, Oliver Schnell, Alexander Strom
AIMS: We conducted a nationwide educational initiative to determine the prevalence and risk factors of diagnosed and undiagnosed painful and painless distal sensory polyneuropathy (DSPN). METHODS: Among 1,850 participants, 781 had no history of diabetes (ND), 126 had type 1 diabetes (T1D), and 943 had type 2 diabetes (T2D). Painful DSPN was defined as polyneuropathy detected by bedside tests with pain and/or burning in the feet, while painless DSPN was defined as polyneuropathy with paresthesias, numbness, or absence of symptoms...
March 5, 2018: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/29478436/polyneuropathies
#8
Claudia Sommer, Christian Geber, Peter Young, Raimund Forst, Frank Birklein, Benedikt Schoser
BACKGROUND: Polyneuropathies (peripheral neuropathies) are the most common type of disorder of the peripheral nervous system in adults, and specifically in the elderly, with an estimated prevalence of 5-8%, depending on age. The options for treatment depend on the cause, which should therefore be identified as precisely as possible by an appropriate diagnostic evaluation. METHODS: This review is based on the current guidelines and on large-scale cohort studies and randomized, controlled trials published from 2000 to 2017, with an emphasis on non-hereditary types of polyneuropathy, that were retrieved by a selective search in PubMed...
February 9, 2018: Deutsches Ärzteblatt International
https://www.readbyqxmd.com/read/29346515/a-brain-based-pain-facilitation-mechanism-contributes-to-painful-diabetic-polyneuropathy
#9
Andrew R Segerdahl, Andreas C Themistocleous, Dean Fido, David L Bennett, Irene Tracey
The descending pain modulatory system represents one of the oldest and most fundamentally important neurophysiological mechanisms relevant to pain. Extensive work in animals and humans has shown how a functional imbalance between the facilitatory and inhibitory components is linked to exacerbation and maintenance of persistent pain states. Forward translation of these findings into clinical populations is needed to verify the relevance of this imbalance. Diabetic polyneuropathy is one of the most common causes of chronic neuropathic pain; however, the reason why ∼25-30% of patients with diabetes develop pain is not known...
February 1, 2018: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29199767/oxcarbazepine-for-neuropathic-pain
#10
REVIEW
Muke Zhou, Ning Chen, Li He, Mi Yang, Cairong Zhu, Fengbo Wu
BACKGROUND: Several anticonvulsant drugs are used in the management of neuropathic pain. Oxcarbazepine is an anticonvulsant drug closely related to carbamazepine. Oxcarbazepine has been reported to be efficacious in the treatment of neuropathic pain, but evidence from randomised controlled trials (RCTs) is conflicting. Oxcarbazepine is reportedly better tolerated than carbamazepine. This is the first update of a review published in 2013. OBJECTIVES: To assess the benefits and harms of oxcarbazepine for different types of neuropathic pain...
December 2, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29119607/impaired-peripheral-nerve-regeneration-in-type-2-diabetic-mouse-model
#11
Vuong M Pham, Nguyen Huu Tu, Tayo Katano, Shinji Matsumura, Akira Saito, Akihiro Yamada, Hidemasa Furue, Seiji Ito
Peripheral neuropathy is one of the most common and serious complications of type-2 diabetes. Diabetic neuropathy is characterized by a distal symmetrical sensorimotor polyneuropathy, and its incidence increases in patients 40 years of age or older. In spite of extensive research over decades, there are few effective treatments for diabetic neuropathy besides glucose control and improved lifestyle. The earliest changes in diabetic neuropathy occur in sensory nerve fibers, with initial degeneration and regeneration resulting in pain...
January 2018: European Journal of Neuroscience
https://www.readbyqxmd.com/read/29109298/severity-of-neuropathy-is-associated-with-long-term-spinal-cord-stimulation-outcome-in-painful-diabetic-peripheral-neuropathy-five-year-follow-up-of-a-prospective-two-center-clinical-trial
#12
Maarten van Beek, José W Geurts, Rachel Slangen, Nicolaas C Schaper, Catharina G Faber, Elbert A Joosten, Carmen D Dirksen, Robert T van Dongen, Sander M J van Kuijk, Maarten van Kleef
OBJECTIVE: Evidence from prospective studies for long-term treatment efficacy of spinal cord stimulation (SCS) in painful diabetic peripheral neuropathy (PDPN) is not available. We report prospective data on the effect of SCS on pain ratings, treatment success and failure, and complications during a 5-year follow-up in patients with PDPN. RESEARCH DESIGN AND METHODS: Patients with PDPN ( n = 48) were included in this prospective multicenter study. The Michigan Diabetic Neuropathy Score (MDNS) was used to assess the severity of neuropathy...
January 2018: Diabetes Care
https://www.readbyqxmd.com/read/28993757/painful-and-prolonged-muscle-cramps-following-insulin-injections-in-a-patient-with-type-2-diabetes-mellitus-revisiting-the-1992-duke-case
#13
Rami A Ballout, Asma Arabi
A 56-year-old middle-eastern male with a long-standing history of poorly controlled type 2 diabetes mellitus presented to us complaining of severely painful bilateral upper and lower extremity cramps occurring shortly after his rapid-acting insulin analog injection(s). The cramps had started 6 months ago and have been occurring intermittently in non-predictable episodes since then. He had otherwise never experienced any insulin-related adverse reaction(s) before. His cramps are very painful and debilitating, interfering with his daily activities and placing him in a state of constant fear/anxiety of re-experiencing them...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28959382/nerve-decompression-and-neuropathy-complications-in-diabetes-are-attitudes-discordant-with-evidence
#14
REVIEW
D Scott Nickerson
External neurolysis of the nerve at fibro-osseous tunnels has been proprosed to treat or prevent signs, symptoms, and complications in the lower extremity of diabetes patients with sensorimotor polyneuropathy. Nerve decompression is justified in the presence of symptomatic compressed nerves in the several fibro-osseous tunnels of the extremities, which are known to be frequent in diabetes. Quite a body of literature has accumulated reporting results after such nerve decompression in the leg, describing pain relief and sensibility improvement, as well as balance recovery, diabetic foot ulcer prevention, curtailed ulcer recurrence risk, and amputation avoidance...
2017: Diabetic Foot & Ankle
https://www.readbyqxmd.com/read/28957343/a-prospective-observational-study-of-patients-with-uncommon-distal-symmetric-painful-small-fiber-neuropathy
#15
Jung-Lung Hsu, Ming-Feng Liao, Hui-Ching Hsu, Yi-Ching Weng, Ai-Lun Lo, Kuo-Hsuan Chang, Hong-Shiu Chang, Hung-Chou Kuo, Chin-Chang Huang, Long-Sun Ro
OBJECTIVE: To investigate the clinical characteristics of patients with uncommon distal symmetric painful small-fiber neuropathy (DSPSFN). METHODS: From September 2012 to September 2014, participants between 18-70 years of age that had DSPSFN defined by clinical signs/symptoms and ID pain > 2 or DN4 > 4 on questionnaires for more than 1 month were included. Participants who had previous historical or laboratory evidence of common etiologies of DSPSFN were excluded...
2017: PloS One
https://www.readbyqxmd.com/read/28942488/psychological-and-biomechanical-aspects-of-patient-adaptation-to-diabetic-neuropathy-and-foot-ulceration
#16
REVIEW
Loretta Vileikyte, Ryan T Crews, Neil D Reeves
PURPOSE OF REVIEW: The purpose of this review was to elucidate how psychological and biomechanical factors interrelate in shaping patients' experience with diabetic symmetric polyneuropathy (DSPN) and its sequela-diabetic foot ulceration (DFU). RECENT FINDINGS: Recent findings emphasize the importance not only of neuropathic pain but also of other DSPN symptoms, such as unsteadiness. We highlight the negative spiral between unsteadiness, falls, and psychological distress...
September 23, 2017: Current Diabetes Reports
https://www.readbyqxmd.com/read/28914336/patterns-of-cutaneous-nerve-fibre-loss-and-regeneration-in-type-2-diabetes-with-painful-and-painless-polyneuropathy
#17
Gidon J Bönhof, Alexander Strom, Sonja Püttgen, Bernd Ringel, Jutta Brüggemann, Kálmán Bódis, Karsten Müssig, Julia Szendroedi, Michael Roden, Dan Ziegler
AIMS/HYPOTHESIS: The determinants and mechanisms of the development of diabetic sensorimotor polyneuropathy as a painful (DSPN+p) or painless (DSPN-p) entity remain unclear. We examined the degree of cutaneous nerve fibre loss and regeneration in individuals with type 2 diabetes with DSPN+p or DSPN-p compared with individuals with recent-onset type 2 diabetes and corresponding healthy volunteers. METHODS: In this cross-sectional study, skin biopsies taken from the distal lateral calf were obtained from individuals with recent-onset type 2 diabetes (n = 32) from the German Diabetes Study, with DSPN+p (n = 34) and DSPN-p (n = 32) from the PROPANE study, and volunteers with normal glucose tolerance (n = 50)...
December 2017: Diabetologia
https://www.readbyqxmd.com/read/28858986/sensory-phenotype-and-risk-factors-for-painful-diabetic-neuropathy-a-cross-sectional-observational-study
#18
Jana Raputova, Iva Srotova, Eva Vlckova, Claudia Sommer, Nurcan Üçeyler, Frank Birklein, Heike L Rittner, Cora Rebhorn, Blanka Adamova, Ivana Kovalova, Eva Kralickova Nekvapilova, Lucas Forer, Jana Belobradkova, Jindrich Olsovsky, Pavel Weber, Ladislav Dusek, Jiri Jarkovsky, Josef Bednarik
Different sensory profiles in diabetic distal symmetrical sensory-motor polyneuropathy (DSPN) may be associated with pain and the responsiveness to analgesia. We aimed to characterize sensory phenotypes of patients with painful and painless diabetic neuropathy and to assess demographic, clinical, metabolic, and electrophysiological parameters related to the presence of neuropathic pain in a large cohort of well-defined DSPN subjects. This observational cross-sectional multi-center cohort study (performed as part of the ncRNAPain EU consortium) of 232 subjects with nonpainful (n = 74) and painful (n = 158) DSPN associated with diabetes mellitus of type 1 and 2 (median age 63 years, range 21-87 years; 92 women) comprised detailed history taking, laboratory tests, neurological examination, quantitative sensory testing, nerve conduction studies, and neuropathy severity scores...
December 2017: Pain
https://www.readbyqxmd.com/read/28616956/tramadol-for-neuropathic-pain-in-adults
#19
REVIEW
Rudolf Martin Duehmke, Sheena Derry, Philip J Wiffen, Rae F Bell, Dominic Aldington, R Andrew Moore
BACKGROUND: This review is an update of a review of tramadol for neuropathic pain, published in 2006; updating was to bring the review in line with current standards. Neuropathic pain, which is caused by a lesion or disease affecting the somatosensory system, may be central or peripheral in origin. Peripheral neuropathic pain often includes symptoms such as burning or shooting sensations, abnormal sensitivity to normally painless stimuli, or an increased sensitivity to normally painful stimuli...
June 15, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28595241/stratifying-patients-with-peripheral-neuropathic-pain-based-on-sensory-profiles-algorithm-and-sample-size-recommendations
#20
Jan Vollert, Christoph Maier, Nadine Attal, David L H Bennett, Didier Bouhassira, Elena K Enax-Krumova, Nanna B Finnerup, Rainer Freynhagen, Janne Gierthmühlen, Maija Haanpää, Per Hansson, Philipp Hüllemann, Troels S Jensen, Walter Magerl, Juan D Ramirez, Andrew S C Rice, Sigrid Schuh-Hofer, Märta Segerdahl, Jordi Serra, Pallai R Shillo, Soeren Sindrup, Solomon Tesfaye, Andreas C Themistocleous, Thomas R Tölle, Rolf-Detlef Treede, Ralf Baron
In a recent cluster analysis, it has been shown that patients with peripheral neuropathic pain can be grouped into 3 sensory phenotypes based on quantitative sensory testing profiles, which are mainly characterized by either sensory loss, intact sensory function and mild thermal hyperalgesia and/or allodynia, or loss of thermal detection and mild mechanical hyperalgesia and/or allodynia. Here, we present an algorithm for allocation of individual patients to these subgroups. The algorithm is nondeterministic-ie, a patient can be sorted to more than one phenotype-and can separate patients with neuropathic pain from healthy subjects (sensitivity: 78%, specificity: 94%)...
August 2017: Pain
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