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Chronic intractible pain

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https://www.readbyqxmd.com/read/28993994/efficacy-and-factors-determining-the-outcome-of-dorsal-root-entry-zone-lesioning-procedure-drezotomy-in-the-treatment-of-intractable-pain-syndrome
#1
Nontaphon Piyawattanametha, Bunpot Sitthinamsuwan, Pramote Euasobhon, Nantthasorn Zinboonyahgoon, Pranee Rushatamukayanunt, Sarun Nunta-Aree
BACKGROUND: Chronic pain is a disabling condition that adversely affects patient quality of life. The dorsal root entry zone lesioning procedure (DREZotomy) is a modality used to treat intractable pain caused by insults to neural structures. This study aimed to investigate the efficacy of and the factors that determine the outcome of microsurgical DREZotomy (MDT). METHOD: All consecutive patients who underwent MDT for treatment of intractable pain during September 2008 to December 2016 were enrolled...
October 9, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28993112/hospitalization-due-to-acute-exacerbation-of-chronic-pain-an-intervention-study-in-a-university-hospital
#2
Daniel W Wheeler, Sara Kinna, Andrew Bell, Peter J Featherstone, David J Sapsford, Sam P Bass
BACKGROUND AND AIMS: Hospitalization as a result of acute exacerbation of complex chronic pain is a largely hidden problem, as patients are often admitted to hospital under a variety of specialities, and there is frequently no overarching inpatient chronic pain service dedicated to their management. Our institution had established an inpatient acute pain service overseen by pain physicians and staffed by specialist nurses that was intended to focus on the management of perioperative pain...
October 6, 2017: Scandinavian Journal of Pain
https://www.readbyqxmd.com/read/28955294/real-time-classification-of-non-weight-bearing-lower-limb-movements-using-emg-to-facilitate-phantom-motor-execution-engineering-and-case-study-application-on-phantom-limb-pain
#3
Eva Lendaro, Enzo Mastinu, Bo Håkansson, Max Ortiz-Catalan
Phantom motor execution (PME), facilitated by myoelectric pattern recognition (MPR) and virtual reality (VR), is positioned to be a viable option to treat phantom limb pain (PLP). A recent clinical trial using PME on upper-limb amputees with chronic intractable PLP yielded promising results. However, further work in the area of signal acquisition is needed if such technology is to be used on subjects with lower-limb amputation. We propose two alternative electrode configurations to conventional, bipolar, targeted recordings for acquiring surface electromyography...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28928366/fibromyalgia-and-microglial-tnf-%C3%AE-translational-research-using-human-blood-induced-microglia-like-cells
#4
Masahiro Ohgidani, Takahiro A Kato, Masako Hosoi, Makoto Tsuda, Kohei Hayakawa, Chie Hayaki, Rie Iwaki, Noriaki Sagata, Ryota Hashimoto, Kazuhide Inoue, Nobuyuki Sudo, Shigenobu Kanba
Fibromyalgia is a refractory disease characterized by chronic intractable pain and psychological suffering, the cause of which has not yet been elucidated due to its complex pathology. Activation of immune cells in the brain called microglia has attracted attention as a potential underlying pathological mechanism in chronic pain. Until recently, however, technological and ethical considerations have limited the ability to conduct research using human microglia. To overcome this limitation, we have recently developed a technique to create human-induced microglia-like (iMG) cells from human peripheral blood monocytes...
September 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28919152/erector-spinae-plane-esp-block-in-the-management-of-post-thoracotomy-pain-syndrome-a-case-series
#5
Mauricio Forero, Manikandan Rajarathinam, Sanjib Adhikary, Ki Jinn Chin
BACKGROUND AND AIMS: Post thoracotomy pain syndrome (PTPS) remains a common complication of thoracic surgery with significant impact on patients' quality of life. Management usually involves a multidisciplinary approach that includes oral and topical analgesics, performing appropriate interventional techniques, and coordinating additional care such as physiotherapy, psychotherapy and rehabilitation. A variety of interventional procedures have been described to treat PTPS that is inadequately managed with systemic or topical analgesics...
September 11, 2017: Scandinavian Journal of Pain
https://www.readbyqxmd.com/read/28902127/altered-gene-expression-of-rnf34-and-pacap-possibly-involved-in-mechanism-of-exercise-induced-analgesia-for-neuropathic-pain-in-rats
#6
Shintaro Yamaoka, Yusuke Oshima, Hideki Horiuchi, Tadao Morino, Masayuki Hino, Hiromasa Miura, Tadanori Ogata
Despite the availability of several modalities of treatment, including surgery, pharmacological agents, and nerve blocks, neuropathic pain is often unresponsive and sometimes progresses to intractable chronic pain. Although exercise therapy is a candidate for treatment of neuropathic pain, the mechanism underlying its efficacy has not been elucidated. To clarify the molecular mechanism for pain relief induced by exercise, we measured Rnf34 and Pacap mRNA levels in the spinal cord dorsal horn of SNL rats, a model of neuropathic pain...
September 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28895017/total-pancreatectomy-with-islet-autotransplantation-for-acute-recurrent-and-chronic-pancreatitis
#7
REVIEW
Varvara A Kirchner, Ty B Dunn, Gregory J Beilman, Srinath Chinnakotla, Timothy L Pruett, Joshua J Wilhelm, Sarah J Schwarzenberg, Martin L Freeman, Melena D Bellin
PURPOSE OF REVIEW: The first total pancreatectomy and islet autotransplantation (TP-IAT) was performed for chronic pancreatitis in 1977 with the goal to ameliorate the pain and simultaneously preserve islet function. We reviewed the recent medical literature regarding indications, patient suitability, current outcomes, and challenges in TP-IAT. RECENT FINDINGS: Current indications for TP-IAT include intractable pain secondary to chronic pancreatitis (CP) or acute recurrent pancreatitis (ARP) with failed medical and endoscopic/surgical management...
September 11, 2017: Current Treatment Options in Gastroenterology
https://www.readbyqxmd.com/read/28894809/tympanic-plexus-neurectomy-for-intractable-otalgia
#8
Daniel S Roberts, Alisa Yamasaki, Ahmad R Sedaghat, Daniel J Lee, Edward Reardon
OBJECTIVE: The goal of this study was to analyze whether tympanic plexus neurectomy is a successful surgical option in patients with intractable otalgia. STUDY DESIGN: A retrospective single institution study from the experience of two surgeons was conducted. METHODS: Records of adult patients with intractable unilateral otalgia of likely glossopharyngeal origin were reviewed, with institutional review board approval. Patients who responded to a tympanic plexus block were considered for tympanic neurectomy...
October 2016: Laryngoscope Investigative Otolaryngology
https://www.readbyqxmd.com/read/28888796/laparoscopic-treatment-of-gastroparesis-a-single-center-experience
#9
Kotaro Wakamatsu, Federico Perez Quirante, Lisandro Montorfano, Emanuele Lo Menzo, Yasuyuki Seto, Raul J Rosenthal
BACKGROUND: Gastroparesis (GP) is a chronic disorder of gastric motility with delayed gastric emptying. Gastric electrical stimulator (GES) implantation and Roux-en-Y gastric bypass (RYGB) are surgical options for medically refractory GP. OBJECTIVE: Evaluate operational outcomes and symptom improvement of patients with diabetic (DM) and idiopathic (IP) GP. SETTING: University Hospital, United States. METHODS: A retrospective chart review was performed of all patients who underwent surgical treatment of GP from February 2003 to December 2014...
July 29, 2017: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/28867384/downregulations-of-trpm8-expression-and-membrane-trafficking-in-dorsal-root-ganglion-mediate-the-attenuation-of-cold-hyperalgesia-in-cci-rats-induced-by-gfr%C3%AE-3-knockdown
#10
Lin Su, Ruichen Shu, Chengcheng Song, Yonghao Yu, Guolin Wang, Yazhuo Li, Changxiao Liu
BACKGROUND: Cold hyperalgesia is an intractable sensory abnormality commonly seen in peripheral neuropathies. Although glial cell line-derived neurotrophic factor family receptor alpha3 (GFRα3) is required for the formation of pathological cold pain has been revealed, potential transduction mechanism is poorly elucidated. We have previously demonstrated the contribution of enhanced activity of transient receptor potential melastatin 8 (TRPM8) to cold hyperalgesia in neuropathic pain using a rat model of chronic constriction injury (CCI) to the sciatic nerve...
September 1, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28862789/creating-a-strain-relief-loop-during-s1-transforaminal-lead-placement-for-dorsal-root-ganglion-stimulation-for-foot-pain-a-technical-note
#11
Valery van Velsen, Noud van Helmond, Kenneth B Chapman
Chronic neuropathic pain is often refractory to conventional medical treatments and leads to significant disability and socio-economic burden. Dorsal root ganglion (DRG) stimulation has recently emerged as a treatment for persistent neuropathic pain, but creating a strain relief loop on the S1 level has thus far been a challenging technical component of DRG lead placement. We describe a refined technique for strain relief loop formation on the S1 level using a transforaminal approach that we employed in a 45-year old patient with intractable foot pain...
September 1, 2017: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/28843150/neuroprotective-effect-of-liquiritin-against-neuropathic-pain-induced-by-chronic-constriction-injury-of-the-sciatic-nerve-in-mice
#12
Meng-Ting Zhang, Bing Wang, Yi-Na Jia, Ning Liu, Peng-Sheng Ma, Shuai-Shuai Gong, Yang Niu, Tao Sun, Yu-Xiang Li, Jian-Qiang Yu
Managing of neuropathic pain remains clinically challenging because the existing pharmacotherapies are either ineffective or non-specific. Therefore, developing novel alternatives is essential for better treatment. Liquiritin is an active component extracted from Glycyrrhizae radix and has potential neuroprotective action. This study aimed to investigate the protective efficacy of liquiritin on chronic constriction injury (CCI)-induced neuropathic pain in mice. Liquiritin (30, 60, and 120mg/kg) and pregabalin (40mg/kg) were administered intragastrically for 7 consecutive days starting on the 8th day post-surgery...
August 23, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28840390/laparoscopic-mesh-removal-for-otherwise-intractable-inguinal-pain-following-endoscopic-hernia-repair-is-feasible-safe-and-may-be-effective-in-selected-patients
#13
G D Slooter, W A R Zwaans, C W Perquin, R M H Roumen, M R M Scheltinga
BACKGROUND: Laparoscopic inguinal hernia repair is preferred over an open technique because of reduced recovery time, favorable cost effectiveness, and less chronic postoperative inguinal pain. Nevertheless, some patients develop a nociceptive inguinal pain syndrome possibly related to the presence of the mesh. This is the first study describing feasibility, safety, and effectiveness of laparoscopic mesh removal in patients with chronic pain after endoscopic hernia repair. METHODS: Pre- and intraoperative data of chronic pain patients scheduled for endoscopic mesh removal were prospectively collected by a standard evaluation form...
August 24, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28789822/analysis-of-follow-up-data-from-an-outpatient-pain-management-program-for-refractory-chronic-pain
#14
Masayuki Inoue, Tatsunori Ikemoto, Shinsuke Inoue, Masatoshi Nakata, Makoto Nishihara, Young-Chang P Arai, Hirofumi Miyagawa, Kazuhiro Shimo, Hiroki Iida, Tomomi Hasegawa, Toshiko Wakabayashi, Hiroki Sakurai, Yoshinobu Hasegawa, Keiko Owari, Noboru Hatakeyama, Takahiro Ushida
BACKGROUND: Numerous reports indicate that multifaceted pain management programs based on cognitive-behavioral principles are associated with clinically meaningful long-term improvements in chronic pain. However, this has not yet been investigated in Japan. This study investigated the effects of a multifaceted pain management program in Japanese patients with chronic pain, both immediately after the program and 6 months thereafter. METHODS: A total of 96 patients, 37 male and 59 female (mean age 63...
August 5, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28764764/sclerosing-mesenteritis-in-a-5-year-old-chinese-boy-a-case-report
#15
Cui-Ping Liang, Min Yang, Pei-Yu Chen, Lan-Lan Geng, Ding-You Li, Si-Tang Gong
BACKGROUND: Sclerosing mesenteritis is a rare fibroinflammatory disorder of unknown etiology that primarily affects the mesentery of the small intestine during late adult life. Only about twenty pediatric cases have been reported to date, but none has been reported in Chinese children. CASE PRESENTATION: A 5-year-old Chinese male presented with a 4-week history of recurrent bloating, abdominal pain, anorexia and vomiting. On admission, physical examination showed a severely distended abdomen...
August 1, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28754378/chronic-fibrosing-osteomyelitis-of-the-jaws-an-important-cause-of-recalcitrant-facial-pain-a-clinicopathologic-study-of-331-cases-in-227-patients
#16
Lawrence I Goldblatt, William R Adams, Kenneth J Spolnik, Kevin A Deardorf, Edwin T Parks
OBJECTIVE: This was a retrospective and follow-up analysis of 331 cases of chronic fibrosing osteomyelitis of the jaws (CFOJ) in 227 patients. STUDY DESIGN: Demographic, clinical, surgical, and microscopic characteristics were tabulated for all patients. A follow-up mail survey was used to determine the degree of symptom relief experienced after surgery. RESULTS: The female to male ratio approached 7:1, and mean age of patients was 53 years...
June 8, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28750504/does-myofascial-and-trigger-point-treatment-reduce-pain-and-analgesic-intake-in-patients-undergoing-onabotulinumtoxina-injection-due-to-chronic-intractable-migraine-a-pilot-single-blind-randomized-controlled-trial
#17
Marialuisa Gandolfi, Christian Geroin, Nicola Valè, Fabio Marchioretto, Andrea Turrina, Eleonora Dimitrova, Stefano Tamburin, Anna Serina, Paola Castellazzi, Andrea Meschieri, François Ricard, Leopold Saltuari, Alessandro Picelli, Nicola Smania
BACKGROUND: Chronic migraine is a disabling disorder associated with myofascial and trigger point disorders in the neck. Pharmacological management is the first line of treatment; however, rehabilitation procedures aimed at lessening symptoms of myofascial and trigger point disorders may add value in the management of headache symptoms. AIM: To evaluate the feasibility of myofascial and trigger point treatment in chronic migraine patients receiving prophylactic treatment with onabotulinumtoxinA...
July 27, 2017: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28741143/salidroside-ameliorates-diabetic-neuropathic-pain-in-rats-by-inhibiting-neuroinflammation
#18
Gui-Lian Ni, Rong Cui, Ai-Min Shao, Zhong-Min Wu
More than half of diabetic patients suffer from intractable neuropathic pain. As inflammation plays an important role in diabetic neuropathic pain, anti-inflammatory drugs might have therapeutic potentials for neuropathic pain. Salidroside (SAL), a phenylpropanoid glucoside, modulates a variety of cell functions, including inflammation. Here, we explored anti-nociceptive and anti-inflammatory effects of SAL on Zucker diabetic fatty rats with type 2 diabetes (DM rats). DM rats were tested for mechanical and thermal hyperalgesia using von Frey filament and plantar hot box test, respectively...
July 24, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28735575/negotiating-the-complexities-of-exocrine-and-endocrine-dysfunction-in-chronic-pancreatitis
#19
Sinead N Duggan
Chronic pancreatitis is a chronic inflammatory disease of the pancreas characterised by irreversible morphological change and typically causing pain and/or permanent loss of function. This progressive, irreversible disease results in destruction of healthy pancreatic tissue and the development of fibrous scar tissue. Gradual loss of exocrine and endocrine function follows, along with clinical manifestations such as steatorrhoea, abdominal pain and diabetes. Nutrition in chronic pancreatitis has been described as a problem area and, until recently, there was little research on the topic...
July 24, 2017: Proceedings of the Nutrition Society
https://www.readbyqxmd.com/read/28727712/intervertebral-foramen-injection-of-ozone-relieves-mechanical-allodynia-and-enhances-analgesic-effect-of-gabapentin-in-animal-model-of-neuropathic-pain
#20
Wen-Jun Luo, Fan Yang, Fei Yang, Wei Sun, Wei Zheng, Xiao-Liang Wang, Fang-Fang Wu, Jiang-Lin Wang, Jia-Shuang Wang, Su-Min Guan, Jun Chen
BACKGROUND: In a 5-year follow-up study in a hospital in southern China, it was shown that intervertebral foramen (IVF) injection of ozone at the involved segmental levels could significantly alleviate paroxysmal spontaneous pain and mechanical allodynia in patients with chronic, intractable postherpetic neuralgia (PHN) and improve the quality of life. However, so far no proof-of-concept studies in animals have been available. OBJECTIVE: This study was designed to investigate whether IVF ozone has an analgesic effect on animal models of neuropathic and inflammatory pain...
July 2017: Pain Physician
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