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Neuropathy and pain

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https://www.readbyqxmd.com/read/29781509/comparative-analgesic-efficacy-of-pregabalin-administered-according-to-either-a-prevention-protocol-or-an-intervention-protocol-in-rats-with-cisplatin-induced-peripheral-neuropathy
#1
F Y Han, A Kuo, J R Nicholson, L Corradinni, M T Smith
Chemotherapy-induced peripheral neuropathy (CIPN) is a type of peripheral neuropathic pain that may be dose-limiting in patients administered potentially curative cancer chemotherapy dosing regimens. In cancer survivors, persistent CIPN adversely affects patient quality of life and so adjuvant drugs (anticonvulsants e.g. pregabalin or antidepressants e.g. amitriptyline) are recommended for the relief of CIPN. However, most studies in rodent models of CIPN involve administration of single bolus doses of adjuvant drugs to assess pain-relieving efficacy...
May 21, 2018: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/29781075/effectiveness-of-gabapentin-pharmacotherapy-in-chemotherapy-induced-peripheral-neuropathy
#2
Magdalena Magnowska, Natalia Iżycka, Joanna Kapoła-Czyż, Anna Romała, Jakub Lorek, Marek Spaczyński, Ewa Nowak-Markwitz
OBJECTIVES: Chemotherapy-induced peripheral neuropathy (CIPN) is a common chemotherapy side effect, but its prevention and treatment remains a challenge. Neurotoxicity may lead to dose limitation or even treatment discontinuation, and therefore potentially affect the efficacy of anticancer treatment and long term outcomes. The practice to administer gabapentin for neuropathy may be applicable, but is limited by insufficient studies. The aim of our study was to assess the presence of chemotherapy-induced peripheral neuropathy in ovarian cancer patients treated with first-line paclitaxel and carboplatin chemotherapy and evaluate the effectiveness of gabapentin in treatment of this condition...
2018: Ginekologia Polska
https://www.readbyqxmd.com/read/29780234/body-mass-index-and-vitamin-d-level-in-carpal-tunnel-syndrome-patients
#3
Rania S Nageeb, Nahed Shehta, Ghada S Nageeb, Alaa A Omran
Background: Carpal tunnel syndrome (CTS) is the most common entrapment neuropathy of the upper extremity. The aim of this study is to evaluate the body mass index (BMI) and vitamin D levels in CTS patients. Methods: The current study was conducted at Zagazig University Hospitals. It included 50 CTS patients and 50 controls. Clinical assessment was carried out to exclude symptoms and signs of neuropathy. Laboratory investigations including vitamin D levels, glycosylated hemoglobin, liver, and kidney function were carried out for every participant...
2018: The Egyptian journal of neurology, psychiatry and neurosurgery
https://www.readbyqxmd.com/read/29780225/sleep-and-psychiatric-abnormalities-in-gullian-barr%C3%A3-syndrome
#4
Wafik Said Bahnasy, Yasser Abo Elfotoh El-Heneedy, Ahmed Mohamed El-Shamy, Marwa Yassin Badr, Reham Ahmed Amer, Ibrahim Salah Eldeen Ibrahim
Background: The sensori-motor manifestations of Guillain Barré Syndrome (GBS) are usually severe enough to mask the psychiatric and sleep problems which are in need for more attention for better functional outcome. Methods: This study was performed on 20 GBS patients and 10 healthy controls. Patients were evaluated initially before immunotherapy using the Overall Disability Sum Score (ODSS), Neuropathy Pain Scale (NPS), Hamilton Anxiety Scale (HAS), Montgomery-Åsberg Depression Rating Scale (MADRS) and one-night polysomnography (PSG) followed by the multiple sleep latency test (MSLT) to evaluate the mean sleep latencies...
2018: Egypt J Neurol Psychiatr Neurosurg
https://www.readbyqxmd.com/read/29775161/surgical-treatment-of-middle-cluneal-nerve-entrapment-neuropathy-technical-note
#5
Juntaro Matsumoto, Toyohiko Isu, Kyongsong Kim, Naotaka Iwamoto, Daijiro Morimoto, Masanori Isobe
OBJECTIVE The etiology of low-back pain (LBP) is heterogeneous and is unknown in some patients with chronic pain. Superior cluneal nerve entrapment has been proposed as a causative factor, and some patients suffer severe symptoms. The middle cluneal nerve (MCN) is also implicated in the elicitation of LBP, and its clinical course and etiology remain unclear. The authors report the preliminary outcomes of a less invasive microsurgical release procedure to address MCN entrapment (MCN-E). METHODS The authors enrolled 11 patients (13 sites) with intractable LBP judged to be due to MCN-E...
May 18, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29772357/modelling-the-dorsal-root-ganglia-using-human-pluripotent-stem-cells-a-platform-to-study-peripheral-neuropathies
#6
Serena Viventi, Mirella Dottori
Sensory neurons of the dorsal root ganglia (DRG) are the primary responders to stimuli inducing feelings of touch, pain, temperature, vibration, pressure and muscle tension. They consist of multiple subpopulations based on their morphology, molecular and functional properties. Our understanding of DRG sensory neurons has been predominantly driven by rodent studies and using transformed cell lines, whereas less is known about human sensory DRG neurons simply because of limited availability of human tissue. Although these previous studies have been fundamental for our understanding of the sensory system, it is imperative to profile human DRG subpopulations as it is becoming evident that human sensory neurons do not share the identical molecular and functional properties found in other species...
May 14, 2018: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/29770116/peripheral-glial-cells-in-the-development-of-diabetic-neuropathy
#7
REVIEW
Nádia Pereira Gonçalves, Christian Bjerggaard Vægter, Lone Tjener Pallesen
The global prevalence of diabetes is rapidly increasing, affecting more than half a billion individuals within the next few years. As diabetes negatively affects several physiological systems, this dramatic increase represents not only impaired quality of life on the individual level but also a huge socioeconomic challenge. One of the physiological consequences affecting up to half of diabetic patients is the progressive deterioration of the peripheral nervous system, resulting in spontaneous pain and eventually loss of sensory function, motor weakness, and organ dysfunctions...
2018: Frontiers in Neurology
https://www.readbyqxmd.com/read/29769416/endogenous-systems-involved-in-exercise-induced-analgesia
#8
R Da Silva Santos, G Galdino
Exercise-induced analgesia is a phenomenon discussed worldwide. This effect began to be investigated in the early 1970s in healthy individuals and rodents during and after an acute or chronic session of running or swimming. Thereafter, studies found this effect was also induced by resistance exercises. Over the years, many studies have demonstrated the importance of exercise-induced analgesia in relieving pain caused by different conditions, such as fibromyalgia, low back pain, neuropathy, and osteoarthritis...
February 2018: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/29768354/feasibility-and-effectiveness-of-electrochemical-dermal-conductance-measurement-for-the-screening-of-diabetic-neuropathy-in-primary-care-decoding-study-dermal-electrochemical-conductance-in-diabetic-neuropathy-rationale-and-design
#9
Juan J Cabré, Teresa Mur, Bernardo Costa, Francisco Barrio, Charo López-Moya, Ramon Sagarra, Montserrat García-Barco, Jesús Vizcaíno, Immaculada Bonaventura, Nicolau Ortiz, Gemma Flores-Mateo
Diabetes mellitus is the leading cause of polyneuropathy in the Western world. Diabetic neuropathy is a frequent complication of diabetes and may have great clinical transcendence due to pain and possible ulceration of the lower extremities. It is also a relevant cause of morbidity and mortality in patients with diabetes. Although the cause of polyneuropathy in patients with diabetes is only partially known, it has been associated with chronic hyperglycemia suggesting the possible etiopathogenic implication of advanced glycosylation end products...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29763613/neuroprotective-effect-of-duloxetine-in-a-mouse-model-of-diabetic-neuropathy-role-of-glia-suppressing-mechanisms
#10
Mona K Tawfik, Seham A Helmy, Dahlia I Badran, Sawsan A Zaitone
AIMS: Painful diabetic neuropathy (PDN) is one of the most frequent complications of diabetes and the current therapies have limited efficacy. This study aimed to study the neuroprotective effect of duloxetine, a serotonin noradrenaline reuptake inhibitor (SNRI), in a mouse model of diabetic neuropathy. MAIN METHODS: Nine weeks after developing of PDN, mice were treated with either saline or duloxetine (15 or 30 mg/kg) for four weeks. The effect of duloxetine was assessed in terms of pain responses, histopathology of sciatic nerve and spinal cord, sciatic nerve growth factor (NGF) gene expression and on the spinal expression of astrocytes (glial fibrillary acidic protein, GFAP) and microglia (CD11 b)...
May 12, 2018: Life Sciences
https://www.readbyqxmd.com/read/29763252/charcot-foot-clinical-clues-diagnostic-strategies-and-treatment-principles
#11
Valerie S Marmolejo, Jonathan F Arnold, Mario Ponticello, Charles A Anderson
Acute Charcot neuroarthropathy of the foot and ankle is often difficult to diagnose because of limited findings in the patient history, physical examination, imaging, and laboratory studies. Delay in treatment results in the development of rigid foot and ankle deformities, increasing the risk of ulceration, infection, and major lower extremity amputation. Acute Charcot neuroarthropathy should be suspected in any patient 40 years or older with obesity and peripheral neuropathy who presents with an acutely swollen foot following minimal or no recalled trauma and who reports minimal to no pain, particularly if radiography and laboratory markers of infection are normal...
May 1, 2018: American Family Physician
https://www.readbyqxmd.com/read/29758357/pharmacopuncture-with-scolopendra-subspinipes-suppresses-mechanical-allodynia-in-oxaliplatin-induced-neuropathic-mice-and-potentiates-clonidine-induced-anti-allodynia-without-hypotension-or-motor-impairment
#12
Seo-Yeon Yoon, Jeong-Yun Lee, Dae-Hyun Roh, Seog Bae Oh
Chemotherapy-induced neuropathic pain is a common dose-limiting side effect of anticancer drugs but lacks an effective treatment strategy. Scolopendra subspinipes (SS) has been used in traditional medicine to treat chronic neuronal diseases. Moreover, pharmacopuncture with SS (SSP) produces potent analgesia in humans and experimental animals. In this study, we examined the effect of SSP into the ST36 acupoint on oxaliplatin-induced mechanical allodynia in mice. Acupoint treatment with SSP (0.5%/20 μL) significantly reduced mechanical allodynia produced by a single oxaliplatin injection (10 mg/kg, i...
May 11, 2018: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/29754274/neuroprotective-and-antinociceptive-effects-of-rosemary-rosmarinus-officinalis-l-extract-in-rats-with-painful-diabetic-neuropathy
#13
Bahram Rasoulian, Zahra Hajializadeh, Saeed Esmaeili-Mahani, Marzieh Rashidipour, Iman Fatemi, Ayat Kaeidi
Diabetes mellitus is associated with the development of neuronal tissue damage in different central and peripheral nervous system regions. A common complication of diabetes is painful diabetic peripheral neuropathy. We have explored the antihyperalgesic and neuroprotective properties of Rosmarinus officinalis L. extract (RE) in a rat model of streptozotocin (STZ)-induced diabetes. The nociceptive threshold and motor coordination of these diabetic rats was assessed using the tail-flick and rotarod treadmill tests, respectively...
May 12, 2018: Journal of Physiological Sciences: JPS
https://www.readbyqxmd.com/read/29750992/transcriptome-analysis-of-dorsal-root-ganglia-s-diabetic-neuropathy-reveals-mechanisms-involved-in-pain-and-regeneration
#14
Maria Carolina Pedro Athie, Andre Schwambach Vieira, Juliana Maia Teixeira, Gilson Gonçalves Dos Santos, Elayne Vieira Dias, Claudia Herrera Tambeli, Cesar Renato Sartori, Carlos A Parada
Peripheral diabetic neuropathy (DN) manifests in nearly 60% of diabetic patients, being pain its most debilitating symptom. Although electrophysiological and morphological aspects are well described, little is known about its development and progression, undermining effective therapies. Hyperglycemia and insulin signaling impairment are considered the triggering events of oxidative stress observed in the dying nerves, however there are still many gaps in the knowledge of intracellular plastic changes it generates...
May 8, 2018: Life Sciences
https://www.readbyqxmd.com/read/29749025/photobiomodulation-induces-antinociception-recovers-structural-aspects-and-regulates-mitochondrial-homeostasis-in-peripheral-nerve-of-diabetic-mice
#15
Victória Regina da Silva de Oliveira, Diego Pulzatto Cury, Laura Basílio Yamashita, Marcos Vinicius Esteca, Ii-Sei Watanabe, Yoko Fee Bergmann, Elaine Flamia Toniolo, Camila Squarzoni Dale
Diabetic Peripheral Neuropathy (DPN) is a nervous disorder caused by diabetes mellitus, affecting about 50% of patients in clinical medicine. Chronic pain is one of the major and most unpleasant symptoms developed by those patients, and conventional available treatments for the neuropathy, including the associated pain, are still unsatisfactory and benefit only a small number of patients. Photobiomodulation (PBM) has been gaining clinical acceptance once it is able to promote early nerve regeneration resulting in significant improvement peripheral nerves disabilities...
May 11, 2018: Journal of Biophotonics
https://www.readbyqxmd.com/read/29742248/pain-in-charcot-marie-tooth-disease-an-update
#16
Helen Azevedo, Camila Pupe, Rouse Pereira, Osvaldo J M Nascimento
Charcot-Marie-Tooth (CMT) disease, the most common inherited peripheral neuropathy, has pain as one of its clinical features, yet it remains underdiagnosed and undertreated. This literature review assessed data related to pain from CMT to determine its prevalence, type and importance as a symptom, which, unlike other symptoms, is likely to be treated. The research encompassed 2007 to 2017 and included five articles that addressed pain from CMT. All of the papers concurred that pain is frequently present in CMT patients, yet its classification remains undefined as there has been no consensus in the literature about the mechanisms that cause it...
April 2018: Arquivos de Neuro-psiquiatria
https://www.readbyqxmd.com/read/29738803/standard-analgesics-reverse-burrowing-deficits-in-a-rat-cci-model-of-neuropathic-pain-but-not-in-models-of-type-1-and-type-2-diabetes-induced-neuropathic-pain
#17
Kris Rutten, Stacey A Gould, Luke Bryden, Henri Doods, Thomas Christoph, Anton Pekcec
BACKGROUND: Burrowing is a rodent behavior validated as a robust and reproducible outcome measure to infer the global effect of pain in several inflammatory pain models. However, less is known about the effect of analgesics on burrowing in neuropathic pain models and no studies have determined burrowing performance in models of diabetes-associated neuropathic pain. OBJECTIVE: To compare the sensitivity of the burrowing assay in different neuropathic pain models: mononeuropathic pain and diabetic polyneuropathy...
May 5, 2018: Behavioural Brain Research
https://www.readbyqxmd.com/read/29735874/-effectiveness-of-non-pharmacologic-interventions-in-chemotherapy-induced-peripheral-neuropathy-a-systematic-review-and-meta-analysis
#18
REVIEW
Pok Ja Oh, You Lim Kim
PURPOSE: This study was conducted to evaluate the effectiveness of non-pharmacologic interventions in chemotherapy-induced peripheral neuropathy (CIPN). METHODS: PubMed, Cochrane Library CENTRAL, EMBASE, CINAHL, and several Korean databases (Until August 2017) were searched. The main search strategy combined terms for peripheral neuropathy and presence of neoplasms. The risk of bias was assessed using the Cochrane's Risk of Bias tool for randomized studies and the Risk of Bias Assessment tool for non-randomized studies...
April 2018: Journal of Korean Academy of Nursing
https://www.readbyqxmd.com/read/29734906/a-large-size-lipoma-at-spinoglenoid-notch-mimicked-traumatic-rotator-cuff-tear
#19
Joon Yub Kim, Jung Soo Choe, Jae Ho Cho
Herein, we report a large lipoma at the spinoglenoid notch that mimicked a rotator cuff tear, which occurred in a 61-year-old male farmer. Weakness and pain in the shoulder started abruptly after hard labor, and our first impression was a traumatic rotator cuff tear; however, there was no tear on MRI, and complete marginal excision of a large lipoma at the spinoglenoid notch relieved the symptoms completely at a postoperative three-month follow-up visit. We believe that certain activities such as forceful shoulder abduction may have caused the sudden onset of suprascapular neuropathy in the loosely compressed suprascapular nerve by the lipoma...
June 2018: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/29732584/giving-priority-to-preclinical-pain-measures-resistant-to-existing-drugs-for-developing-innovative-analgesics
#20
Yukinori Nagakura
Preclinical Research & Development Chronic pain is a major health and socioeconomic burden because of its high prevalence, negative influence on patients' physical and/or emotional conditions, and huge costs to society. The responses of chronic pain patients to analgesic therapies vary substantially from individual to individual, and no more than a minority of chronic pain patients with various etiologies such as neuropathy and inflammation are, in fact, successfully relieved by existing drugs including opioid analgesics, nonopioid analgesics, antiepileptics, and antidepressants...
May 6, 2018: Drug Development Research
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