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Rajamanickam G, Lee ATH, Liao P. Role of Brain Derived Neurotrophic Factor and Related Therapeutic Strategies in Central Post-Stroke Pain. Neurochem Res 2024; 49:2303-2318. [PMID: 38856889 DOI: 10.1007/s11064-024-04175-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Revised: 04/08/2024] [Accepted: 05/22/2024] [Indexed: 06/11/2024]
Abstract
Brain-derived neurotrophic factor (BDNF) is vital for synaptic plasticity, cell persistence, and neuronal development in peripheral and central nervous systems (CNS). Numerous intracellular signalling pathways involving BDNF are well recognized to affect neurogenesis, synaptic function, cell viability, and cognitive function, which in turn affects pathological and physiological aspects of neurons. Stroke has a significant psycho-socioeconomic impact globally. Central post-stroke pain (CPSP), also known as a type of chronic neuropathic pain, is caused by injury to the CNS following a stroke, specifically damage to the somatosensory system. BDNF regulates a broad range of functions directly or via its biologically active isoforms, regulating multiple signalling pathways through interactions with different types of receptors. BDNF has been shown to play a major role in facilitating neuroplasticity during post-stroke recovery and a pro-nociceptive role in pain development in the nervous system. BDNF-tyrosine kinase receptors B (TrkB) pathway promotes neurite outgrowth, neurogenesis, and the prevention of apoptosis, which helps in stroke recovery. Meanwhile, BDNF overexpression plays a role in CPSP via the activation of purinergic receptors P2X4R and P2X7R. The neuronal hyperexcitability that causes CPSP is linked with BDNF-TrkB interactions, changes in ion channels and inflammatory reactions. This review provides an overview of BDNF synthesis, interactions with certain receptors, and potential functions in regulating signalling pathways associated with stroke and CPSP. The pathophysiological mechanisms underlying CPSP, the role of BDNF in CPSP, and the challenges and current treatment strategies targeting BDNF are also discussed.
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Affiliation(s)
- Gayathri Rajamanickam
- Calcium Signalling Laboratory, National Neuroscience Institute, 11 Jalan Tan Tock Seng, Singapore, 308433, Singapore
| | - Andy Thiam Huat Lee
- Health and Social Sciences Cluster, Singapore Institute of Technology, Singapore, Singapore
| | - Ping Liao
- Calcium Signalling Laboratory, National Neuroscience Institute, 11 Jalan Tan Tock Seng, Singapore, 308433, Singapore.
- Health and Social Sciences Cluster, Singapore Institute of Technology, Singapore, Singapore.
- Duke-NUS Medical School, Singapore, Singapore.
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Lizi H, Jiaojiao K, Dan W, Shuyao W, Qingyuan W, Zijiang Y, Hua K. Non-invasive brain stimulation improves pain in patients with central post-stroke pain: a systematic review and meta-analysis. Top Stroke Rehabil 2024:1-16. [PMID: 38828896 DOI: 10.1080/10749357.2024.2359341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Accepted: 05/18/2024] [Indexed: 06/05/2024]
Abstract
BACKGROUND Central post-stroke pain (CPSP) significantly interferes with the quality of life and psychological well-being of stroke patients. Non-invasive brain stimulation (NIBS) has attracted significant attention as an emerging method for treating patients with CPSP. OBJECTIVE To compare the clinical efficacy of noninvasive brain stimulation on pain, and psychological status of patients with central post-stroke pain using meta-analysis. METHODS A computerized search of multiple databases was performed for identification of randomized controlled trials involving NIBS-led treatment of CPSP patients. Two researchers worked independently on literature screening, data extraction, and quality assessment. Research was conducted from inception of the database until October 2023. RevMan 5.0 and Stata 15.0 software were used to conduct statistical analysis. RESULTS Sixteen papers with 807 patients were finally included. The results showed that NIBS reduced patients' pain intensity [SMD = -0.39, 95% CI (-0.54, -0.24), p < 0.01] and was more effective in short-term CPSP patients. However, the included studies did not show a significant impact on psychological status, particularly depression. Subgroup analysis suggested that the M1 stimulation point was more effective than other stimulation points [SMD = -0.45, 95% CI (-0.65, -0.25), p < 0.001]. Other stimulation modalities also demonstrated favorable outcomes when compared to rTMS [SMD = -0.67, 95% CI (-1.09, -0.25), p < 0.01]. CONCLUSION NIBS has a positive impact on pain relief in patients with CPSP, but does not enhance patients' psychological well-being in terms of anxiety or depression. Furthermore, large-sample, high-quality, and multi-center RCTs are needed to explore the benefits of different stimulation durations and parameters in patients with CPSP. The current study has been registered with Prospero under the registration number CRD42023468419.
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Affiliation(s)
- Hu Lizi
- College of Nursing, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Kou Jiaojiao
- College of Nursing, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Wang Dan
- College of Nursing, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Wang Shuyao
- College of Nursing, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Wang Qingyuan
- College of Nursing, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yang Zijiang
- College of Nursing, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Kang Hua
- College of Nursing, Chengdu University of Traditional Chinese Medicine, Chengdu, China
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Gurdiel-Álvarez F, Navarro-López V, Varela-Rodríguez S, Juárez-Vela R, Cobos-Rincón A, Sánchez-González JL. Transcranial magnetic stimulation therapy for central post-stroke pain: systematic review and meta-analysis. Front Neurosci 2024; 18:1345128. [PMID: 38419662 PMCID: PMC10899389 DOI: 10.3389/fnins.2024.1345128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Accepted: 02/01/2024] [Indexed: 03/02/2024] Open
Abstract
Introduction Although rare, central post-stroke pain remains one of the most refractory forms of neuropathic pain. It has been reported that repetitive transcranial magnetic stimulation (rTMS) may be effective in these cases of pain. Aim The aim of this study was to investigate the efficacy of rTMS in patients with central post-stroke pain (CPSP). Methods We included randomized controlled trials or Controlled Trials published until October 3rd, 2022, which studied the effect of rTMS compared to placebo in CPSP. We included studies of adult patients (>18 years) with a clinical diagnosis of stroke, in which the intervention consisted of the application of rTMS to treat CSP. Results Nine studies were included in the qualitative analysis; 6 studies (4 RCT and 2 non-RCT), with 180 participants, were included in the quantitative analysis. A significant reduction in CPSP was found in favor of rTMS compared with sham, with a large effect size (SMD: -1.45; 95% CI: -1.87; -1.03; p < 0.001; I2: 58%). Conclusion The findings of the present systematic review with meta-analysis suggest that there is low quality evidence for the effectiveness of rTMS in reducing CPSP. Systematic review registration Identifier (CRD42022365655).
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Affiliation(s)
- Francisco Gurdiel-Álvarez
- International Doctoral School, Faculty of Health Sciences, Rey Juan Carlos University, Madrid, Spain
- Department of Physical Therapy, Occupational Therapy, Rehabilitation and Physical Medicine, Rey Juan Carlos University, Madrid, Spain
- Cognitive Neuroscience, Pain, and Rehabilitation Research Group (NECODOR), Faculty of Health Sciences, Rey Juan Carlos University, Madrid, Spain
| | - Víctor Navarro-López
- Department of Physical Therapy, Occupational Therapy, Rehabilitation and Physical Medicine, Rey Juan Carlos University, Madrid, Spain
| | - Sergio Varela-Rodríguez
- Department of Nursing and Physiotherapy, Faculty of Nursing and Physiotherapy, Instituto de Investigación Biomédica de Salamanca (IBSAL), Salamanca, Spain
| | - Raúl Juárez-Vela
- Nursing Department, Faculty of Health Sciences, University of La Rioja, Research Group GRUPAC, Logroño, Spain
| | - Ana Cobos-Rincón
- Nursing Department, Faculty of Health Sciences, University of La Rioja, Research Group GRUPAC, Logroño, Spain
| | - Juan Luis Sánchez-González
- Department of Nursing and Physiotherapy, Faculty of Nursing and Physiotherapy, Instituto de Investigación Biomédica de Salamanca (IBSAL), Salamanca, Spain
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Lau SCL, Connor LT, Skidmore ER, King AA, Lee JM, Baum CM. The Moderating Role of Motivation in the Real-Time Associations of Fatigue, Cognitive Complaints, and Pain With Depressed Mood Among Stroke Survivors: An Ecological Momentary Assessment Study. Arch Phys Med Rehabil 2023; 104:761-768. [PMID: 36535421 PMCID: PMC10336650 DOI: 10.1016/j.apmr.2022.11.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 10/19/2022] [Accepted: 11/17/2022] [Indexed: 12/23/2022]
Abstract
OBJECTIVE Stroke symptoms fluctuate during the day as stroke survivors participate in daily activities. Understanding the real-time associations among stroke symptoms and depressed mood, as well as the role of motivation for daily activities, informs, and post-stroke symptom management in the context of everyday living. This study aimed to (1) investigate the real-time associations of fatigue, cognitive complaints, and pain with depressed mood and (2) examine the role of motivation for daily activity participation as a potential moderator of these associations in stroke survivors. DESIGN A prospective cohort study involving 7 days of ecological momentary assessment (EMA), during which participants completed 8 EMA surveys per day. Multilevel modeling was used to analyze data. SETTING Community. PARTICIPANTS Forty community-dwelling stroke survivors (N=40). INTERVENTIONS Not applicable. MAIN OUTCOME MEASURES EMA measures of depressed mood, stroke symptoms (physical and mental fatigue, cognitive complaints, and pain), and motivation (autonomous motivation, controlled motivation). RESULTS Higher levels of within- and between-person physical fatigue, mental fatigue, cognitive complaints, and pain were momentarily associated with greater depressed mood (Ps<.001). Within-person autonomous motivation significantly buffered the momentary associations of physical fatigue (B=-0.06, P<.001), mental fatigue (B=-0.04, P=.032), and pain (B=-0.21, P<.001) with depressed mood. CONCLUSIONS Findings indicate the momentary associations of fatigue, cognitive complaints, and pain with depressed mood in stroke survivors. Autonomous motivation underpinning daily activity participation was found to buffer the associations of fatigue and pain with depressed mood. Promoting autonomous motivation for daily activity participation may be viable for preventing and mitigating poststroke depression.
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Affiliation(s)
- Stephen C L Lau
- Program in Occupational Therapy, Washington University School of Medicine, St. Louis, MO; Department of Occupational Therapy, School of Health and Rehabilitation Sciences, University of Pittsburgh, Pittsburgh, PA.
| | - Lisa Tabor Connor
- Program in Occupational Therapy, Washington University School of Medicine, St. Louis, MO; Department of Neurology, Washington University School of Medicine, St. Louis, MO
| | - Elizabeth R Skidmore
- Department of Occupational Therapy, School of Health and Rehabilitation Sciences, University of Pittsburgh, Pittsburgh, PA
| | - Allison A King
- Program in Occupational Therapy, Washington University School of Medicine, St. Louis, MO; Department of Medicine, Washington University School of Medicine, St. Louis, MO; Department of Pediatrics, Washington University School of Medicine, St. Louis, MO; Department of Surgery, Washington University School of Medicine, St. Louis, MO; Department of Education, Washington University School of Medicine, St. Louis, MO
| | - Jin-Moo Lee
- Department of Neurology, Washington University School of Medicine, St. Louis, MO
| | - Carolyn M Baum
- Program in Occupational Therapy, Washington University School of Medicine, St. Louis, MO; Department of Neurology, Washington University School of Medicine, St. Louis, MO; Brown School of Social Work, Washington University in St. Louis, St. Louis, MO
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Yang F, Jing JJ, Fu SY, Su XZ, Zhong YL, Chen DS, Wu XZ, Zou YQ. Spinal MCP-1 Contributes to Central Post-stroke Pain by Inducing Central Sensitization in Rats. Mol Neurobiol 2023; 60:2086-2098. [PMID: 36602702 DOI: 10.1007/s12035-022-03184-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Accepted: 12/18/2022] [Indexed: 01/06/2023]
Abstract
Central post-stroke pain (CPSP) is a highly refractory form of central neuropathic pain that has been poorly studied mechanistically. Recent observations have emphasized the critical role of the spinal dorsal horn in CPSP. However, the underlying mechanisms remain unclear. In this study, rats were subjected to thalamic hemorrhage to investigate the role of spinal monocyte chemoattractant protein-1 (MCP-1) and C-C motif chemokine receptor 2 (CCR2) in the development of CPSP. Immunohistochemical staining and ELISA were used to assess the expression changes of c-Fos, Iba-1, GFAP, MCP-1, and CCR2 in the dorsal horn of the lumbar spinal cord following thalamic hemorrhage, and the involvement of spinal MCP-1 in CPSP was examined by performing intrathecal anti-MCP-1 mAb injection to neutralize the spinal extracellular MCP-1. We demonstrated that intra-thalamic collagenase microinjection induced persistent bilateral mechanical pain hypersensitivity and facilitated the spontaneous pain behaviors evoked by intraplantar bee venom injection. Accompanying CPSP, the expression of c-Fos, Iba-1, and GFAP in the lumbar spinal dorsal horn was significantly increased up to 28 days post-intra-thalamic collagenase microinjection. Intrathecal injection of minocycline and fluorocitrate dramatically reverses the bilateral mechanical pain hypersensitivity. Moreover, intra-thalamic collagenase microinjection dramatically induced the up-regulation of MCP-1 but had no effect on the expression of CCR2 in the bilateral lumbar spinal dorsal horn, and MCP-1 was primarily localized in the neuron. Intrathecal injection of anti-MCP-1 mAb was also able to reverse CPSP and reduce the expression of c-Fos, Iba-1, and GFAP in the lumbar spinal dorsal horn. These findings indicated that spinal MCP-1 contributes to CPSP by mediating the activation of spinal neurons and glial cells following thalamic hemorrhage stroke, which may provide insights into pharmacologic treatment for CPSP.
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Affiliation(s)
- Fei Yang
- Department of Anesthesiology and Perioperative Medicine, Fuzong Clinical College/900th Hospital of the Joint Logistic Support Force, Fujian Medical University, Fuzhou, 350025, China.,Department of Anesthesiology and Perioperative Medicine, Dongfang Hospital, Xiamen University, Fuzhou, 350025, China.,Pain Research Institute, Fujian Medical University, Fuzhou, 350025, China
| | - Jun-Jie Jing
- Department of Neurosurgery, Fujian Children's Hospital, College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, 350025, China
| | - Si-Yin Fu
- Department of Anesthesiology and Perioperative Medicine, Fuzong Clinical College/900th Hospital of the Joint Logistic Support Force, Fujian Medical University, Fuzhou, 350025, China.,Department of Anesthesiology and Perioperative Medicine, Dongfang Hospital, Xiamen University, Fuzhou, 350025, China
| | - Xiu-Zhu Su
- Department of Anesthesiology and Perioperative Medicine, Fuzong Clinical College/900th Hospital of the Joint Logistic Support Force, Fujian Medical University, Fuzhou, 350025, China.,Department of Anesthesiology and Perioperative Medicine, Dongfang Hospital, Xiamen University, Fuzhou, 350025, China
| | - Yu-Ling Zhong
- Department of Anesthesiology and Perioperative Medicine, Fuzong Clinical College/900th Hospital of the Joint Logistic Support Force, Fujian Medical University, Fuzhou, 350025, China.,Department of Anesthesiology and Perioperative Medicine, Dongfang Hospital, Xiamen University, Fuzhou, 350025, China
| | - Dong-Sheng Chen
- Department of Anesthesiology and Perioperative Medicine, Fuzong Clinical College/900th Hospital of the Joint Logistic Support Force, Fujian Medical University, Fuzhou, 350025, China. .,Department of Anesthesiology and Perioperative Medicine, Dongfang Hospital, Xiamen University, Fuzhou, 350025, China.
| | - Xiao-Zhi Wu
- Department of Anesthesiology and Perioperative Medicine, Fuzong Clinical College/900th Hospital of the Joint Logistic Support Force, Fujian Medical University, Fuzhou, 350025, China. .,Department of Anesthesiology and Perioperative Medicine, Dongfang Hospital, Xiamen University, Fuzhou, 350025, China.
| | - Yi-Qing Zou
- Department of Anesthesiology and Perioperative Medicine, Fuzong Clinical College/900th Hospital of the Joint Logistic Support Force, Fujian Medical University, Fuzhou, 350025, China. .,Department of Anesthesiology and Perioperative Medicine, Dongfang Hospital, Xiamen University, Fuzhou, 350025, China.
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Shi ZM, Jing JJ, Xue ZJ, Chen WJ, Tang YB, Chen DJ, Qi XY, Huang L, Zou YQ, Wu XZ, Yang F. Stellate ganglion block ameliorated central post-stroke pain with comorbid anxiety and depression through inhibiting HIF-1α/NLRP3 signaling following thalamic hemorrhagic stroke. J Neuroinflammation 2023; 20:82. [PMID: 36944982 PMCID: PMC10031944 DOI: 10.1186/s12974-023-02765-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Accepted: 03/12/2023] [Indexed: 03/23/2023] Open
Abstract
BACKGROUND Central post-stroke pain (CPSP) is an intractable and disabling central neuropathic pain that severely affects patients' lives, well-being, and socialization abilities. However, CPSP has been poorly studied mechanistically and its treatment remains challenging. Here, we used a rat model of CPSP induced by thalamic hemorrhage to investigate its underlying mechanisms and the effect of stellate ganglion block (SGB) on CPSP and emotional comorbidities. METHODS Thalamic hemorrhage was produced by injecting collagenase IV into the ventral-posterolateral nucleus (VPL) of the right thalamus. The up-and-down method with von Frey hairs was used to measure the mechanical allodynia. Behavioral tests were carried out to examine depressive and anxiety-like behaviors including the open field test (OFT), elevated plus maze test (EPMT), novelty-suppressed feeding test (NSFT), and forced swim test (FST). The peri-thalamic lesion tissues were collected for immunofluorescence, western blotting, and enzyme-linked immunosorbent assay (ELISA). Genetic knockdown of thalamic hypoxia-inducible factor-1α (HIF-1α) and NOD-like receptor thermal protein domain associated protein 3 (NLRP3) with microinjection of HIF-1α siRNA and NLRP3 siRNA into the VPL of thalamus were performed 3 days before collagenase injection into the same regions. Microinjection of lificiguat (YC-1) and MCC950 into the VPL of thalamus were administrated 30 min before the collagenase injection in order to inhibited HIF-1α and NLRP3 pharmacologically. Repetitive right SGB was performed daily for 5 days and laser speckle contrast imaging (LSCI) was conducted to examine cerebral blood flow. RESULTS Thalamic hemorrhage caused persistent mechanical allodynia and anxiety- and depression-like behaviors. Accompanying the persistent mechanical allodynia, the expression of HIF-1α and NLRP3, as well as the activities of microglia and astrocytes in the peri-thalamic lesion sites, were significantly increased. Genetic knockdown of thalamic HIF-1α and NLRP3 significantly attenuated mechanical allodynia and anxiety- and depression-like behaviors following thalamic hemorrhage. Further studies revealed that intra-thalamic injection of YC-1, or MCC950 significantly suppressed the activation of microglia and astrocytes, the release of pro-inflammatory cytokines, the upregulation of malondialdehyde (MDA), and the downregulation of superoxide dismutase (SOD), as well as mechanical allodynia and anxiety- and depression-like behaviors following thalamic hemorrhage. In addition, repetitive ipsilateral SGB significantly restored the upregulated HIF-1α/NLRP3 signaling and the hyperactivated microglia and astrocytes following thalamic hemorrhage. The enhanced expression of pro-inflammatory cytokines and the oxidative stress in the peri-thalamic lesion sites were also reversed by SGB. Moreover, LSCI showed that repetitive SGB significantly increased cerebral blood flow following thalamic hemorrhage. Most strikingly, SGB not only prevented, but also reversed the development of mechanical allodynia and anxiety- and depression-like behaviors induced by thalamic hemorrhage. However, pharmacological activation of thalamic HIF-1α and NLRP3 with specific agonists significantly eliminated the therapeutic effects of SGB on mechanical allodynia and anxiety- and depression-like behaviors following thalamic hemorrhage. CONCLUSION This study demonstrated for the first time that SGB could improve CPSP with comorbid anxiety and depression by increasing cerebral blood flow and inhibiting HIF-1α/NLRP3 inflammatory signaling.
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Affiliation(s)
- Zhong-Mou Shi
- Department of Anesthesiology and Perioperative Medicine, Fuzong Clinical College (900th Hospital of the Joint Logistic Support Force), Fujian Medical University, Fuzhou, 350025, China
- Department of Anesthesiology and Perioperative Medicine, Dongfang Hospital, Xiamen University, Fuzhou, 350025, China
| | - Jun-Jie Jing
- Department of Neurosurgery, Fujian Children's Hospital, College of Clinical Medicine for Obstetrics and Gynecology and Pediatrics, Fujian Medical University, Fuzhou, 350025, China
| | - Zheng-Jie Xue
- Department of Anesthesiology and Perioperative Medicine, Fuzong Clinical College (900th Hospital of the Joint Logistic Support Force), Fujian Medical University, Fuzhou, 350025, China
- Department of Anesthesiology and Perioperative Medicine, Dongfang Hospital, Xiamen University, Fuzhou, 350025, China
| | - Wen-Jun Chen
- Department of Anesthesiology and Perioperative Medicine, Fuzong Clinical College (900th Hospital of the Joint Logistic Support Force), Fujian Medical University, Fuzhou, 350025, China
- Department of Anesthesiology and Perioperative Medicine, Dongfang Hospital, Xiamen University, Fuzhou, 350025, China
| | - Yan-Bin Tang
- Department of Anesthesiology and Perioperative Medicine, Fuzong Clinical College (900th Hospital of the Joint Logistic Support Force), Fujian Medical University, Fuzhou, 350025, China
- Department of Anesthesiology and Perioperative Medicine, Dongfang Hospital, Xiamen University, Fuzhou, 350025, China
| | - Du-Juan Chen
- Department of Anesthesiology and Perioperative Medicine, Fuzong Clinical College (900th Hospital of the Joint Logistic Support Force), Fujian Medical University, Fuzhou, 350025, China
- Department of Anesthesiology and Perioperative Medicine, Dongfang Hospital, Xiamen University, Fuzhou, 350025, China
| | - Xin-Yi Qi
- Department of Anesthesiology and Perioperative Medicine, Fuzong Clinical College (900th Hospital of the Joint Logistic Support Force), Fujian Medical University, Fuzhou, 350025, China
- Department of Anesthesiology and Perioperative Medicine, Dongfang Hospital, Xiamen University, Fuzhou, 350025, China
| | - Li Huang
- Department of Anesthesiology and Perioperative Medicine, Fuzong Clinical College (900th Hospital of the Joint Logistic Support Force), Fujian Medical University, Fuzhou, 350025, China
- Department of Anesthesiology and Perioperative Medicine, Dongfang Hospital, Xiamen University, Fuzhou, 350025, China
| | - Yi-Qing Zou
- Department of Anesthesiology and Perioperative Medicine, Fuzong Clinical College (900th Hospital of the Joint Logistic Support Force), Fujian Medical University, Fuzhou, 350025, China.
- Department of Anesthesiology and Perioperative Medicine, Dongfang Hospital, Xiamen University, Fuzhou, 350025, China.
| | - Xiao-Zhi Wu
- Department of Anesthesiology and Perioperative Medicine, Fuzong Clinical College (900th Hospital of the Joint Logistic Support Force), Fujian Medical University, Fuzhou, 350025, China.
- Department of Anesthesiology and Perioperative Medicine, Dongfang Hospital, Xiamen University, Fuzhou, 350025, China.
| | - Fei Yang
- Department of Anesthesiology and Perioperative Medicine, Fuzong Clinical College (900th Hospital of the Joint Logistic Support Force), Fujian Medical University, Fuzhou, 350025, China.
- Department of Anesthesiology and Perioperative Medicine, Dongfang Hospital, Xiamen University, Fuzhou, 350025, China.
- Pain Research Institute, Fujian Medical University, Fuzhou, 350025, China.
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Li HL, Lin M, Tan XP, Wang JL. Role of Sensory Pathway Injury in Central Post-Stroke Pain: A Narrative Review of Its Pathogenetic Mechanism. J Pain Res 2023; 16:1333-1343. [PMID: 37101520 PMCID: PMC10124563 DOI: 10.2147/jpr.s399258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Accepted: 04/07/2023] [Indexed: 04/28/2023] Open
Abstract
Central post-stroke pain (CPSP) is a severe chronic neuropathic pain syndrome that is a direct result of cerebrovascular lesions affecting the central somatosensory system. The pathogenesis of this condition remains unclear owing to its extensive clinical manifestations. Nevertheless, clinical and animal experiments have allowed a comprehensive understanding of the mechanisms underlying CPSP occurrence, based on which different theoretical hypotheses have been proposed. We reviewed and collected the literature and on the mechanisms of CPSP by searching the English literature in PubMed and EMBASE databases for the period 2002-2022. Recent studies have reported that CPSP occurrence is mainly due to post-stroke nerve injury and microglial activation, with an inflammatory response leading to central sensitization and de-inhibition. In addition to the primary injury at the stroke site, peripheral nerves, spinal cord, and brain regions outside the stroke site are involved in the occurrence and development of CPSP. In the present study, we reviewed the mechanism of action of CPSP from both clinical studies and basic research based on its sensory pathway. Through this review, we hope to increase the understanding of the mechanism of CPSP.
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Affiliation(s)
- Hai-Li Li
- Department of Pain Management, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan Province, 646000, People’s Republic of China
- Anesthesiology and Critical Care Medicine Key Laboratory of Luzhou, Southwest Medical University, Luzhou, Sichuan Province, 646000, People’s Republic of China
| | - Min Lin
- Department of Pain Management, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan Province, 646000, People’s Republic of China
- Anesthesiology and Critical Care Medicine Key Laboratory of Luzhou, Southwest Medical University, Luzhou, Sichuan Province, 646000, People’s Republic of China
| | - Xing-Ping Tan
- Department of Pain Management, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan Province, 646000, People’s Republic of China
- Anesthesiology and Critical Care Medicine Key Laboratory of Luzhou, Southwest Medical University, Luzhou, Sichuan Province, 646000, People’s Republic of China
| | - Jiang-Lin Wang
- Department of Pain Management, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan Province, 646000, People’s Republic of China
- Anesthesiology and Critical Care Medicine Key Laboratory of Luzhou, Southwest Medical University, Luzhou, Sichuan Province, 646000, People’s Republic of China
- Correspondence: Jiang-Lin Wang, Pain Department, The Affiliated Hospital of Southwest Medical University, No. 25 Pacific Street, Luzhou, Sichuan Province, 646000, People’s Republic of China, Tel +8618090880626, Fax +86830-3165469, Email
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Liu Y, Liu J, Zhou S, Xu X, Cheng Y, Yi Y, Zou G. Life satisfaction and its influencing factors of middle-aged and elderly stroke patients in China: a national cross-sectional survey. BMJ Open 2022; 12:e059663. [PMID: 35922110 PMCID: PMC9352989 DOI: 10.1136/bmjopen-2021-059663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
OBJECTIVES This study reports the life satisfaction of middle-aged and elderly patients who had a stroke in China, and explores its association with patients' sociodemographic characteristics, health status, lifestyles and family relationship. DESIGN Cross-sectional survey. SETTING AND PARTICIPANTS The samples of this study were selected from the data of China Health and Retirement Longitudinal Study (CHARLS) in 2018, which covered 28 provinces, 150 countries/districts and 450 village/urban communities. 1154 patients who had a stroke aged 45 and over were included in this study as qualified samples. OUTCOME MEASURES Descriptive analysis was used to report sociodemographic characteristics, health status, lifestyles, family relationship and life satisfaction of middle-aged and elderly patients who had a stroke. χ2 analysis and binary logistic regression were used to analyse the factors influencing the life satisfaction of the patients who had a stroke. RESULTS Overall, 83.1% of patients who had a stroke were satisfied with their lives, although only 8.7% rated their own health as being good. Patients who had a stroke who were male, elderly, married, living with their spouses and having a pension were more likely to report satisfaction with life (p<0.05). Self-rated health, health satisfaction, chronic lung disease, fall, pain, ability to work and family relationships were also significantly associated with life satisfaction (p<0.05). Patients who drank alcohol (86.8% vs 81.7%, p=0.041), had physical activity (84.4% vs 75.6%, p=0.004) and had social activity (85.3% vs 80.8%, p=0.041) were more satisfied with their lives than those who did not. Multivariable analysis confirmed that age, health satisfaction, physical pain, working ability, relationships with spouse and with children had significant effects on life satisfaction of patients who had a stroke (p<0.05). CONCLUSIONS Our study indicates the importance of improving the overall health of patients who had a stroke and mediating factors, such as pain management, and work ability, spouse and children relationship in improving the life satisfaction of patients in the poststroke rehabilitation.
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Affiliation(s)
- Ying Liu
- School of Public Health and Management, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Jieyu Liu
- SOAS China Institute, School of Oriental and African Studies, University of London, London, London, UK
| | - Shangcheng Zhou
- School of Public Health and Management, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Xingying Xu
- School of Public Health and Management, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Yu Cheng
- School of Social Science and Anthropology, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Ying Yi
- School of Public Health and Management, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Guanyang Zou
- School of Public Health and Management, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
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Mhangara CT, Naidoo V, Ntsiea MV. The prevalence and management of central post-stroke pain at a hospital in Zimbabwe. Malawi Med J 2021; 32:132-138. [PMID: 33488984 PMCID: PMC7812148 DOI: 10.4314/mmj.v32i3.5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Background Central post-stroke pain (CPSP) is a poorly diagnosed chronic pain. It is under-treated and usually mismanaged. Objective To establish the prevalence of CPSP and its management in stroke clinics at a tertiary hospital. Methods This was a cross-sectional design with stroke patients and health professionals from the stroke clinic at the tertiary hospital in Zimbabwe. Results Out of 166 stroke survivors, 8% had CPSP. Younger age (<60 years) was significantly associated with CPSP (P<0.003). Pain characteristics of CPSP were hyperaesthesia (10, 71%), electric shocks (9, 64%), temperature allodynia (9, 64%) and allodynia (12, 86%). Ten health professionals participated in the study: one (10%) reported using Douleur Neuropathique 4 (to diagnose neuropathic pain) and two (20%) reported using sensory tests. Four patients (44%) were on paracetamol (acetaminophen) and on weak opiates such as codeine. None of the patients were on anticonvulsants or antidepressants. Two medical doctors (50%) used weak opiates as second-line management. Five patients (36%) reported receiving a combination of massage, stretching, general exercise and moist heat or cryotherapy. Conclusion The prevalence of CPSP in the study group is within international range. There is a need for appropriate management and use of tests and outcome measures for diagnosis of CPSP.
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Affiliation(s)
- Caryn Tatenda Mhangara
- Physiotherapy Department, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Vaneshveri Naidoo
- Physiotherapy Department, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Mokgobadibe Veronica Ntsiea
- Physiotherapy Department, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
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Xu XM, Luo H, Rong BB, Zheng XM, Wang FT, Zhang SJ, Li ZX. Nonpharmacological therapies for central poststroke pain: A systematic review. Medicine (Baltimore) 2020; 99:e22611. [PMID: 33080696 PMCID: PMC7572005 DOI: 10.1097/md.0000000000022611] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
BACKGROUND Central poststroke pain (CPSP) is a neuropathic pain syndrome that can occur after a cerebrovascular accident. It has negative effects on mood, sleep, rehabilitation, and quality of life in stroke patients. This systematic review assessed the efficacy and safety of nonpharmacological therapies for treating CPSP. METHODS The Cochrane, PubMed, Embase, and Web of Science databases were systematically searched for studies from inception to August 2020. Two authors worked independently and in duplicate to identify suitable studies. RESULTS Eleven studies were identified. Pain related to CPSP was ameliorated by precentral gyrus stimulation (P = .01), caloric vestibular stimulation (P = 0.004), transcranial direct current stimulation (P < .05), and bee venom acupuncture point injection (P = .009). Acupuncture (P = .72) and electroacupuncture therapies (P > .05) were as effective for thalamic pain as oral carbamazepine treatment. Motor cortex stimulation, but not deep brain stimulation (DBS), was effective for treating refractory CPSP, and appeared to be more effective than thalamic stimulation for controlling bulbar pain secondary to Wallenberg syndrome. However, DBS in the ventral striatum or anterior limb of the internal capsule improved depression (P = .020) and anxiety in patients with refractory CPSP. Some serious adverse events were reported in response to invasive electrical brain stimulation, but most of these effects recovered with treatment. CONCLUSIONS Nonpharmacological therapies appear to be effective in CPSP, but the evidence is relatively weak. Invasive electrical brain stimulation can be accompanied by serious adverse events, but most patients recover from these effects.
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The Experience of Post-Stroke Pain and The Impact on Quality of Life: An Integrative Review. Behav Sci (Basel) 2020; 10:bs10080128. [PMID: 32784720 PMCID: PMC7464541 DOI: 10.3390/bs10080128] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 07/19/2020] [Accepted: 07/30/2020] [Indexed: 01/30/2023] Open
Abstract
Background: Many people experience post-stroke pain (PSP). It is a long-term consequence of stroke that commonly goes unrecognised and untreated. As a result, an integrative review is needed to identify the primary factors that affect PSP and determine the impact on quality of life (QOL). Methods: An integrative review using a quantitatively led data synthesis, supported by qualitative evidence, was conducted. Results: Fourteen studies were identified and 2415 (968 females, 1447 males) people were included. Five primary themes were identified as effecting the experience of PSP; anxiety, depression, fatigue, cognitive function and physical function. Anxiety, depression and fatigue increase PSP. Pain, depression, fatigue and reduced physical function lower QOL. Conclusions: It is essential that clinicians recognise PSP in order to optimize QOL and function post-stroke. Further research is needed to employ a strategy to identify and objectively quantify PSP and its impact on QOL.
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Urits I, Gress K, Charipova K, Orhurhu V, Freeman JA, Kaye RJ, Kaye AD, Cornett E, Delahoussaye PJ, Viswanath O. Diagnosis, Treatment, and Management of Dejerine-Roussy Syndrome: a Comprehensive Review. Curr Pain Headache Rep 2020; 24:48. [PMID: 32671495 DOI: 10.1007/s11916-020-00887-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
PURPOSE OF REVIEW Post-stroke pain represents a complex condition with few standardized diagnostic criteria. As such, the array of symptoms is often difficult to categorize and diagnose. Central post-stroke pain (CPSP), also known as Dejerine-Roussy syndrome, presents as painful paresthesia in any part of the body that is usually coupled with sensory abnormalities. RECENT FINDINGS In patients who had experienced a cerebrovascular accident, CPSP typically affects the same areas of the body that are also impacted by the general motor and sensory deficits that result from stroke. Though it is generally debated, CPSP is thought to result from a lesion in any part of the central nervous system. Pain usually presents in the range of 3-6 months after the occurrence of stroke, manifesting contralaterally to the lesion, and most commonly involving the upper extremities. For the most accurate diagnosis of CPSP, a thorough history and clinical examination should be supplemented with imaging. Infarcted areas of the brain can be visualized using either CT or MRI. First-line treatment of CPSP is pharmacologic and consists of a three-drug regimen. Despite this, CPSP is often refractory to medical management producing only modest pain reduction in a limited subset of patients. Adverse effects associated with pharmacologic management of CPSP and frequent recalcitrance to treatment have driven alternative minimally invasive methods of pain control which include transcranial stimulation, deep brain stimulation, and neuromodulation. The aim of this review is to provide a comprehensive update to recent advances in the understanding of the treatment and management of CPSP.
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Affiliation(s)
- Ivan Urits
- Beth Israel Deaconess Medical Center, Department of Anesthesia, Critical Care, and Pain Medicine, Harvard Medical School, 330 Brookline Ave, Boston, MA, 02215, USA.
| | - Kyle Gress
- Georgetown University School of Medicine, Washington, DC, USA
| | | | - Vwaire Orhurhu
- Beth Israel Deaconess Medical Center, Department of Anesthesia, Critical Care, and Pain Medicine, Harvard Medical School, 330 Brookline Ave, Boston, MA, 02215, USA
| | - John A Freeman
- Department of Anesthesiology, Mayo Clinic, Phoenix, AZ, USA
| | - Rachel J Kaye
- Medical University of South Carolina School of Medicine, Charleston, SC, USA.,Department of Anesthesiology and Pharmacology, Toxicology, and Neurosciences, Louisiana State University School of Medicine, Shreveport, LA, USA
| | - Alan D Kaye
- Department of Anesthesiology and Pharmacology, Toxicology, and Neurosciences, Louisiana State University School of Medicine, Shreveport, LA, USA
| | - Elyse Cornett
- Department of Anesthesiology and Pharmacology, Toxicology, and Neurosciences, Louisiana State University School of Medicine, Shreveport, LA, USA
| | - Paul J Delahoussaye
- Department of Anesthesiology and Pharmacology, Toxicology, and Neurosciences, Louisiana State University School of Medicine, Shreveport, LA, USA
| | - Omar Viswanath
- Valley Anesthesiology and Pain Consultants Envision Physician Services, Phoenix, AZ, USA.,Department of Anesthesiology, University of Arizona College of Medicine-Phoenix, Phoenix, AZ, USA.,Department of Anesthesiology, Creighton University School of Medicine, Omaha, NE, USA
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14
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Liampas A, Velidakis N, Georgiou T, Vadalouca A, Varrassi G, Hadjigeorgiou GM, Tsivgoulis G, Zis P. Prevalence and Management Challenges in Central Post-Stroke Neuropathic Pain: A Systematic Review and Meta-analysis. Adv Ther 2020; 37:3278-3291. [PMID: 32451951 PMCID: PMC7467424 DOI: 10.1007/s12325-020-01388-w] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Indexed: 01/30/2023]
Abstract
Introduction Central post-stroke pain (CPSP) is defined as the neuropathic pain that arises either acutely or in the chronic phase of a cerebrovascular event and is a result of central lesions of the somatosensory tract. The aim of this systematic review and meta-analysis was to establish the prevalence of CPSP, to describe its characteristics, and to discuss the associated management challenges. Methods After a systematic Medline search, we identified 69 papers eligible to be included. Results The pooled prevalence of CPSP in patients with stroke at any location was 11% (95% CI 7–18%), which can increase to more than 50% in the subgroups of patients with medullary or thalamic strokes. CPSP onset coincides with stroke occurrence in 26% of patients (95% CI 18–35%); CPSP manifests within a month since symptom onset in 31% of patients (95% CI 22–42%), and occurs between the first month and the first year in 41% of patients (95% CI 33.9–49.0%). CPSP develops more than 12 months after stroke onset in 5% of patients (95% CI 3–8%). Conclusions Clinicians should look for any evidence of central neuropathic pain for at least 12 months after stroke. Both pharmacological and non-pharmacological interventions can be used for the management of CPSP. Lamotrigine has the strongest evidence (Level II of evidence, derived from small randomized controlled trials) for being effective in the management of CPSP. Future research should focus on well-designed trials of pharmacological and non-pharmacological interventions aiming to relief CPSP, which is a very common but often neglected pain syndrome. Electronic supplementary material The online version of this article (10.1007/s12325-020-01388-w) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Andreas Liampas
- Academic Directorate of Neurosciences, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
| | | | | | - Athina Vadalouca
- Pain and Palliative Care Center, Athens Medical Center, Athens, Greece
| | | | | | - Georgios Tsivgoulis
- Second Department of Neurology, "Attikon" University Hospital, National and Kapodistrian University of Athens, Athens, Greece
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Pancorbo-Hidalgo PL, Bellido-Vallejo JC. Psychometric Evaluation of the Nursing Outcome Knowledge: Pain Management in People with Chronic Pain. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:ijerph16234604. [PMID: 31766312 PMCID: PMC6926491 DOI: 10.3390/ijerph16234604] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 11/17/2019] [Accepted: 11/18/2019] [Indexed: 12/27/2022]
Abstract
Pain has a major impact on health and quality of life. Since the level of knowledge of painful conditions can influence how these are addressed and managed, assessing this knowledge in patients becomes crucial. As a result, it is necessary to have culturally adapted and validated instruments that specifically measure patients' knowledge of chronic pain management. The objective of this study was to carry out the Spanish cultural adaptation and the validation of the outcome Knowledge: Pain Management of the Nursing Outcomes Classification (NOC) in patients with chronic pain, defined as extent of understanding conveyed about causes, symptoms, and treatment of pain. A three-stage study was designed: 1) translation and cultural adaptation through an expert panel, 2) content validation, 3) clinical validation. This study provides nurses with a Spanish version of this scale adapted to their context, as well as a set of structured indicators to measure patients' knowledge about chronic pain. The results indicated that the culturally adapted Spanish version of the outcome Knowledge: Pain Management had a high level of content validity (CVI = 0.92), with 27 indicators being distributed between two factors. This version has been shown to be reliable in terms of inter-observer agreement (κ = 0.79) and internal consistency (α = 0.95). In conclusion, Knowledge: Pain Management has been shown to be reliable and valid to measure knowledge of chronic pain.
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Affiliation(s)
- Pedro Luis Pancorbo-Hidalgo
- Department of Nursing, Faculty of Health Sciences, University of Jaén, Campus Las Lagunillas, s/n, 23071 Jaén, Spain;
| | - José Carlos Bellido-Vallejo
- Department of Nursing, Faculty of Health Sciences, University of Jaén, Campus Las Lagunillas, s/n, 23071 Jaén, Spain;
- Jaén University Hospital, Avenida del Ejército Español 10, 23007 Jaén, Spain
- Correspondence: ; Tel.: +34-676-179-283
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Bellido-Vallejo JC, Pancorbo-Hidalgo PL. Psychometric Evaluation of the Nursing Outcome "Pain: Adverse Psychological Response" in Patients With Chronic Pain. Int J Nurs Knowl 2019; 31:164-172. [PMID: 31743614 DOI: 10.1111/2047-3095.12267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 08/04/2019] [Accepted: 10/12/2019] [Indexed: 11/27/2022]
Abstract
PURPOSE To culturally adapt into Spanish and validate the outcome "Pain: Adverse psychological response" (code 1306) in patients with chronic pain. METHODS A three-stage study was conducted: (a) translation and cultural adaptation, (b) content validation, and (c) clinical validation. FINDINGS The Spanish version of the outcome "Pain: Adverse psychological response" has high content validity ( 0.91). Fourteen indicators were organized into two factors. This version offers good reliability in both inter-observer agreement (kappa = 0.72) and internal consistency (alpha = 0.89). CONCLUSIONS The Spanish adaptation of "Pain: Adverse psychological response" is a reliable and valid instrument for the measurement of emotional aspects of chronic pain. IMPLICATIONS FOR NURSING PRACTICE The Spanish adaptation of this outcome offers nurses a set of structured indicators to measure the adverse emotional impact of chronic pain.
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Mental imagery training for treatment of central neuropathic pain: a narrative review. Acta Neurol Belg 2019; 119:175-186. [PMID: 30989503 DOI: 10.1007/s13760-019-01139-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2018] [Accepted: 04/05/2019] [Indexed: 12/11/2022]
Abstract
Mental imagery is a quasi-perceptual experience in the absence of external stimuli. This concept has intrigued psychologists, sportspersons, neurologists and other scientists for over a decade now. Imagery has been used in rehabilitation and the results have been promising. Researchers refer to this as healing the body through the mind. However, the challenge is lack of standardized protocols, homogeneity and consistency in application of mental imagery in different populations. The purpose of this review is to discuss and understand the role of mental imagery in the treatment of central neuropathic pain (CNP). Treatment options of CNP are inadequate and their benefits are short lived. We conducted an extensive search on various databases using combinations of different keywords and reviewed the available literature in this area. We were able to finalize twelve studies where mental imagery was used for treating CNP in spinal cord injury (SCI), stroke and multiple sclerosis. However, the methodology and techniques of mental imagery training used in these studies were non-homogeneous and inconsistent. This review provides a guiding framework to further explore the different techniques of mental imagery and their roles in treating CNP.
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Pain after stroke: A review. Rev Neurol (Paris) 2018; 174:671-674. [DOI: 10.1016/j.neurol.2017.11.011] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2017] [Revised: 10/23/2017] [Accepted: 11/20/2017] [Indexed: 02/04/2023]
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Vukojevic Z, Dominovic Kovacevic A, Peric S, Grgic S, Bjelica B, Basta I, Lavrnic D. Frequency and features of the central poststroke pain. J Neurol Sci 2018; 391:100-103. [DOI: 10.1016/j.jns.2018.06.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2018] [Revised: 06/05/2018] [Accepted: 06/12/2018] [Indexed: 01/28/2023]
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Shyu BC, Huang ACW. Central Poststroke Pain, Comorbidity, and Associated Symptoms in Animal and Human Models. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1099:253-265. [DOI: 10.1007/978-981-13-1756-9_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Ward M, Mammis A. Deep Brain Stimulation for the Treatment of Dejerine-Roussy Syndrome. Stereotact Funct Neurosurg 2017; 95:298-306. [PMID: 28848107 DOI: 10.1159/000479526] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2016] [Accepted: 07/11/2017] [Indexed: 01/09/2023]
Abstract
BACKGROUND/AIMS Patients who suffer from Dejerine-Roussy syndrome commonly experience severe poststroke hemibody pain which has historically been attributed to thalamic lesions. Despite pharmacological treatment, a significant proportion of the population is resistant to traditional therapy. Deep brain stimulation is often appropriate for the treatment of resistant populations. In this review we aim to summarize the targets that are used to treat Dejerine-Roussy syndrome and provide insight into their clinical efficacy. METHODS In reviewing the literature, we defined stimulation success as achievement of a minimum of 50% pain relief. RESULTS Contemporary targets for deep brain stimulation are the ventral posterior medial/ventral posterior lateral thalamic nuclei, periaqueductal/periventricular gray matter, the ventral striatum/anterior limb of the internal capsule, left centromedian thalamic nuclei, the nucleus ventrocaudalis parvocellularis internis, and the posterior limb of the internal capsule. CONCLUSIONS Due to technological advancements in deep brain stimulation, its therapeutic effects must be reevaluated. Despite a lack of controlled evidence, deep brain stimulation has been effectively used as a therapeutic in clinical pain management. Further clinical investigation is needed to definitively evaluate the therapeutic efficacy of deep brain stimulation in treating the drug-resistant patient population.
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Affiliation(s)
- Max Ward
- Department of Neurological Surgery, Rutgers New Jersey Medical School, Newark, NJ, USA
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