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Complex Regional Pain Syndrome (CRPS)

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https://www.readbyqxmd.com/read/29107167/does-temperature-elevation-by-sympathetic-neurolysis-improve-pain-in-complex-regional-pain-syndrome-a-retrospective-cohort-study
#1
Sushmitha Dev, Yongjae Yoo, Ho-Jin Lee, Dong-Ho Kim, Yong-Chul Kim, Jee Youn Moon
BACKGROUND: Lumbar sympathetic neurolysis (LSN) is one treatment option for complex regional pain syndrome (CRPS). We examined whether LSN-related temperature changes are associated with clinical outcome; and investigated relationships between the outcome of LSN and clinical variables in patients with CRPS-I. METHODS: We included 95 patients with CRPS-I affecting a single lower extremity, by the Budapest criteria, and who underwent LSN following successful LSBs, in this retrospective study...
October 26, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29091494/abductor-digiti-minimi-flap-for-vascularized-coverage-in-the-surgical-management-of-complex-regional-pain-syndrome-following-carpal-tunnel-release
#2
Kevin Cheung, Melissa A Klausmeyer, Jesse B Jupiter
BACKGROUND: The development of Complex Regional Pain Syndrome (CRPS) represents a potentially devastating complication following carpal tunnel release. In the presence of a suspected incomplete release of the transverse carpal ligament or direct injury to the median nerve, neurolysis as well as nerve coverage to prevent recurrent scar has been shown to be effective. METHODS: Retrospective chart review and telephone interview was conducted for patients who underwent abductor digiti minimi flap coverage and neurolysis of the median nerve for CRPS following carpal tunnel release...
November 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/29081703/factors-associated-with-complex-regional-pain-syndrome-in-surgically-treated-distal-radius-fracture
#3
Joel Ortiz-Romero, Ignacio Bermudez-Soto, Rubén Torres-González, Fernando Espinoza-Choque, Jesús Abraham Zazueta-Hernandez, José Manuel Perez-Atanasio
OBJECTIVE: The aim of this study was to identify factors associated with developing complex regional pain syndrome (CRPS) after surgical treatment for distal radius fracture (DRF). METHODS: This case-control study analyzed patients seen from January 2014 to January 2016. Results: In our sample of 249 patients, 4% developed CRPS. Associated factors were economic compensation via work disability (odds ratio [OR] 14.3), age (OR 9.38), associated fracture (OR 12.94), and level of impact (OR 6...
September 2017: Acta Ortopedica Brasileira
https://www.readbyqxmd.com/read/29064599/spinal-cord-stimulation-in-patients-with-complex-regional-pain-syndrome-a-possible-target-for-immunomodulation
#4
Nadia Kriek, Marco W J Schreurs, J George Groeneweg, Wim A Dik, Gilbert C H Tjiang, Ismail Gültuna, Dirk L Stronks, Frank J P M Huygen
OBJECTIVE: Complex regional pain syndrome (CRPS) is characterized by continued pain disproportional to the inciting event, sensory abnormalities, vasomotor and sudomotor disturbances, and motor and trophic changes. Inflammatory involvement has been demonstrated in past CRPS studies resulting in pain, swelling, and warmth. Currently, it is unknown whether spinal cord stimulation (SCS) has immunomodulatory properties. The aim of this study was to determine whether SCS has immunomodulatory properties in CRPS patients...
October 24, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/29057068/case-report-percutaneous-electrical-neural-field-stimulation-in-two-cases-of-sympathetically-mediated-pain
#5
Lynn Fraser, Anna Woodbury
Background: Fibromyalgia and complex regional pain syndrome (CRPS) are both chronic pain syndromes with pathophysiologic mechanisms related to autonomic nervous system dysregulation and central sensitization.  Both syndromes are considered difficult to treat with conventional pain therapies. Case presentations: Here we describe a female veteran with fibromyalgia and a male veteran with CRPS, both of whom failed multiple pharmacologic, physical and psychological therapies for pain, but responded to percutaneous electrical neural field stimulation (PENFS) targeted at the auricular branches of the cranial nerves...
2017: F1000Research
https://www.readbyqxmd.com/read/29038061/structural-and-functional-brain-changes-at-early-and-late-stages-of-complex-regional-pain-syndrome
#6
Mahsa Shokouhi, Collin Clarke, Patricia Morley-Forster, Dwight E Moulin, Karen Davis, Keith St Lawrence
Brain plasticity is demonstrated in complex regional pain syndrome (CRPS), although it is unclear how it modulates at different stages of CRPS. The observation that symptoms can progress over time suggests that the pattern of brain changes might also evolve. We measured structural and functional changes as well as sensorimotor integration at early and late stages (ES and LS) of CRPS. Twelve ES patients, sixteen LS patients, and sixteen age- and sex-matched controls were recruited. Gray matter (GM) volume was estimated using voxel-based morphometry...
October 13, 2017: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/29037934/the-primary-diagnosis-and-the-coexisting-anxiety-disorders-have-no-impact-on-the-additional-surgical-procedure-after-spinal-cord-stimulators-implantation-an-analysis-of-11-029-patients
#7
Koji Tamai, Zorica Buser, Christopher Wang, Permsak Paholpak, Hiroaki Nakamura, Jeffrey C Wang, Patrick C Hsieh
Studies have demonstrated superior outcomes and cost effectiveness of the spinal cord stimulation (SCS) for the treatment of chronic pain syndromes such as failed back surgery syndrome (FBSS) or complex regional pain syndrome (CRPS). However, little is known about the impact of primary diagnosis or mental disorders on the revision rate. This is the Retrospective cohort study to analyze the reintervention rates based on the primary diagnosis or comorbid mental disorder. Data of the annual trends of SCS use, revision and removal rate of SCS and additional surgical rate after removal was collected and analyzed for patients undergoing SCS between 2007 and 2015, within a private insurance billing database...
October 13, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29020809/fibromyalgia-as-a-predictor-of-complex-regional-pain-syndrome-after-distal-radius-fracture
#8
Marc D Lipman, Daniel E Hess, Brian C Werner, D Nicole Deal
BACKGROUND: Complex regional pain syndrome (CRPS) can be a devastating complication following extremity injury, but risk factors are not well understood. The purpose of this study was to investigate the association between fibromyalgia and the development of CRPS after distal radius fracture. METHODS: The PearlDiver Medicare database was queried using International Classification of Diseases, 9th Revision (ICD-9) and Current Procedural Terminology (CPT) codes for diagnoses and treatments of distal radius fractures...
October 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28973211/low-dose-intravenous-immunoglobulin-treatment-for-long-standing-complex-regional-pain-syndrome-a-randomized-trial
#9
RANDOMIZED CONTROLLED TRIAL
Andreas Goebel, Jatinder Bisla, Roy Carganillo, Bernhard Frank, Rima Gupta, Joanna Kelly, Candy McCabe, Caroline Murphy, Nick Padfield, Ceri Phillips, Mark Sanders, Mick Serpell, Nick Shenker, Karim Shoukrey, Lynne Wyatt, Gareth Ambler
Background: Two small trials suggest that low-dose intravenous immunoglobulin (IVIg) may improve the symptoms of complex regional pain syndrome (CRPS), a rare posttraumatic pain condition. Objective: To confirm the efficacy of low-dose IVIg compared with placebo in reducing pain during a 6-week period in adult patients who had CRPS from 1 to 5 years. Design: 1:1 parallel, randomized, placebo-controlled, multicenter trial for 6 weeks, with an optional 6-week open extension...
October 3, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/28971481/transcranial-magnetic-stimulation-studies-in-complex-regional-pain-syndrome-type-i-a-review
#10
REVIEW
R Nardone, F Brigo, Y Höller, L Sebastianelli, V Versace, L Saltuari, P Lochner, E Trinka
The sensory and motor cortical representation corresponding to the affected limb is altered in patients with complex regional pain syndrome (CRPS). Transcranial magnetic stimulation (TMS) represents a useful non-invasive approach for studying cortical physiology. If delivered repetitively, TMS can also modulate cortical excitability and induce long-lasting neuroplastic changes. In this review, we performed a systematic search of all studies using TMS to explore cortical excitability/plasticity and repetitive TMS (rTMS) for the treatment of CRPS...
October 3, 2017: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/28961359/prevalence-and-cost-analysis-of-complex-regional-pain-syndrome-crps-a-role-for-neuromodulation
#11
Aladine A Elsamadicy, Siyun Yang, Amanda R Sergesketter, Bilal Ashraf, Lefko Charalambous, Hanna Kemeny, Tiffany Ejikeme, Xinru Ren, Promila Pagadala, Beth Parente, Jichun Xie, Shivanand P Lad
OBJECTIVE: The diagnosis and treatment of complex regional pain syndrome (CRPS) is challenging and there is a paucity of data describing its overall cost burden and quantifying its impact on the US healthcare system. The aim of this study was to assess the prevalence and healthcare utilization costs associated with CRPS. MATERIALS AND METHODS: A retrospective longitudinal study was performed using the Truven MarketScan® database to identify patients with a new indexed diagnosis of CRPS (Type I, II, or both) from 2001 to 2012...
September 29, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28960653/the-efficacy-and-safety-of-dorsal-root-ganglion-stimulation-as-a-treatment-for-neuropathic-pain-a-literature-review
#12
REVIEW
Conrad Harrison, Sarah Epton, Stana Bojanic, Alexander L Green, James J FitzGerald
OBJECTIVE: Dorsal root ganglion stimulation (DRGS) received its first regulatory approval (CE marking in Europe) in late 2011, and so its use is now almost six years old. Several thousand patients have already been treated, and a landmark trial in lower limb complex regional pain syndrome (CRPS) and causalgia has recently been published. METHODS: In this review we have summarized the literature to date on the use of DRGS in the treatment of neuropathic pain. RESULTS: The results so far are encouraging, with reports of successful use in treating a wide range of indications including postsurgical pain, CRPS, and phantom pain...
September 28, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28953620/different-patterns-in-mental-rotation-of-facial-expressions-in-complex-regional-pain-syndrome-patients
#13
Won Joon Lee, Soo-Hee Choi, Joon Hwan Jang, Jee Youn Moon, Yong Chul Kim, EunChung Noh, Jung Eun Shin, HyunSoon Shin, Do-Hyung Kang
Although facial pain expressions are considered to be the most visible pain behaviors, it is known that the association between pain intensity and facial pain expression is weak for chronic pain. The authors hypothesized that the facial pain expressiveness was altered in chronic pain and investigated it with a mental rotation task using various facial expression, which seems to be associated with actual facial movements. As a task stimulus, 4 types of facial expression stimuli consisted of upper (tightening of eye and furrowed brows) and lower (raising upper lip) pain-specific facial expressions, and upper (eyeball deviation) and lower (tongue protrusion) facial movements not using facial muscles were used...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28947243/hand-lesion-after-arthroscopic-rotator-cuff-repair-association-with-complex-regional-pain-syndrome
#14
Ryo Tanesue, Masafumi Gotoh, Yasuhiro Mitsui, Hidehiro Nakamura, Hirokazu Honda, Hiroki Ohzono, Hisao Shimokobe, Tsuyoshi Tokunaga, Takaki Imai, Takahiro Okawa, Naoto Shiba
BACKGROUND: It is known that complex regional pain syndrome (CRPS) occurs after arthroscopic rotator cuff repair (ARCR); however, few studies have investigated this complication. Therefore, the purpose of the present study was to evaluate CRPS after ARCR. METHODS: A total of 182 patients who underwent ARCR were enrolled in this study. The average age of patients was 62.8 ± 10.0 years, with an average follow-up period of 21.5 ± 38.1 months. CRPS criteria outlined by the Ministry of Health, Labor, and Welfare study team for CRPS in Japan (MHLWJ) and International Association for the Study of Pain (IASP 2005) were utilized for diagnosis...
September 22, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28934787/complex-regional-pain-syndrome-type-i-a-debilitating-and-poorly-understood-syndrome-possible-role-for-pulsed-electromagnetic-fields-a-narrative-review
#15
Stefania Pagani, Francesca Veronesi, Nicolo Nicoli Aldini, Milena Fini
BACKGROUND: Complex regional pain syndrome type I (CRPS-I), also called algodystrophy, is a complex syndrome characterized by limb pain, edema, allodynia, hyperalgesia and functional impairment of bone with a similar clinical picture of osteoporosis, including an increased release of various pro-inflammatory neuropeptides and cytokines. Several treatments have been proposed for CRPS-I, but due to the poor outcome of conventional drugs and the invasiveness of some techniques, expectations are now directed towards new resources that could be more effective and less invasive...
September 2017: Pain Physician
https://www.readbyqxmd.com/read/28928655/effects-of-simvastatin-beyond-dyslipidemia-exploring-its-antinociceptive-action-in-an-animal-model-of-complex-regional-pain-syndrome-type-i
#16
Graziela Vieira, Juliana Cavalli, Elaine C D Gonçalves, Tainara R Gonçalves, Larissa R Laurindo, Maíra Cola, Rafael C Dutra
Simvastatin is a lipid-lowering agent that blocks the production of cholesterol through inhibition of 3-hydroxy-methyl-glutaryl coenzyme A (HMG-CoA) reductase. In addition, recent evidence has suggested its anti-inflammatory and antinociceptive actions during inflammatory and pain disorders. Herein, we investigated the effects of simvastatin in an animal model of complex regional pain syndrome-type I, and its underlying mechanisms. Chronic post-ischemia pain (CPIP) was induced by ischemia and reperfusion (IR) injury of the left hind paw...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28914784/antiallodynic-effects-of-bee-venom-in-an-animal-model-of-complex-regional-pain-syndrome-type-1-crps-i
#17
Sung Hyun Lee, Jae Min Lee, Yun Hong Kim, Jung Hyun Choi, Seung Hwan Jeon, Dong Kyu Kim, Hyeon Do Jeong, You Jung Lee, Hue Jung Park
Neuropathic pain in a chronic post-ischaemic pain (CPIP) model mimics the symptoms of complex regional pain syndrome type I (CRPS I). The administration of bee venom (BV) has been utilized in Eastern medicine to treat chronic inflammatory diseases accompanying pain. However, the analgesic effect of BV in a CPIP model remains unknown. The application of a tight-fitting O-ring around the left ankle for a period of 3 h generated CPIP in C57/Bl6 male adult mice. BV (1 mg/kg ; 1, 2, and 3 times) was administered into the SC layer of the hind paw, and the antiallodynic effects were investigated using the von Frey test and by measuring the expression of neurokinin type 1 (NK-1) receptors in dorsal root ganglia (DRG)...
September 15, 2017: Toxins
https://www.readbyqxmd.com/read/28891866/passive-transfer-autoimmunity-in-a-mouse-model-of-complex-regional-pain-syndrome
#18
Tian-Zhi Guo, Xiaoyou Shi, Wen-Wu Li, Tzuping Wei, John David Clark, Wade S Kingery
It has been proposed that complex regional pain syndrome (CRPS) is a posttraumatic autoimmune disease, and we previously observed that B cells are required for the full expression of CRPS-like changes in a mouse tibia fracture CRPS model. The current study used the mouse model to evaluate the progression of postfracture CRPS-like changes in wild-type (WT) and muMT fracture mice lacking B cells and antibodies. The pronociceptive effects of injecting WT fracture mouse serum antibodies into muMT fracture mice were also evaluated...
December 2017: Pain
https://www.readbyqxmd.com/read/28862131/three-cases-of-type-1-complex-regional-pain-syndrome-after-elective-total-hip-replacement
#19
Gerardo Zanotti, Pablo Ariel Slullitel, Fernando Martín Comba, Martín Alejandro Buttaro, Francisco Piccaluga
Complex regional pain syndrome (CRPS) constitutes an atypical cause of pain after orthopaedic procedures. To our knowledge, there is a paucity of literature reporting this syndrome after total hip arthroplasty (THR), since only two case reports have been published. We thenceforth describe the clinical outcome of three cases of type-1 CRPS developed after elective THR, two of them initially diagnosed with secondary osteoarthritis whereas the remaining one presented a sequel of a failed osteosynthesis that required conversion to THR...
2017: SICOT-J
https://www.readbyqxmd.com/read/28852115/biased-visuospatial-perception-in-complex-regional-pain-syndrome
#20
Lieve Filbrich, Andrea Alamia, Charlotte Verfaille, Anne Berquin, Olivier Barbier, Xavier Libouton, Virginie Fraselle, Dominique Mouraux, Valéry Legrain
Complex regional pain syndrome (CRPS) is a chronic pain condition associating sensory, motor, trophic and autonomic symptoms in one limb. Cognitive difficulties have also been reported, affecting the patients' ability to mentally represent, perceive and use their affected limb. However, the nature of these deficits is still a matter of debate. Recent studies suggest that cognitive deficits are limited to body-related information and body perception, while not extending to external space. Here we challenge that statement, by using temporal order judgment (TOJ) tasks with tactile (i...
August 29, 2017: Scientific Reports
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