• Title/Summary/Keyword: complex regional pain syndrome

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Thoracic Spinal Cord Stimulation and Radiofrequency Thermocoagulation of Lumbar Sympathetic Ganglion in a Patient with Complex Regional Pain Syndrome in the Lower Extremity -A case report- (복합부위통증증후군 환자에서 척수자극술과 교감신경 고주파열응고술 -증례 보고-)

  • Kim, Shi Hyeon;Moon, Dong Eon;Park, Chong Min;Ryu, Keon Hee;Seo, Kyung Soo;You, Sie Hyun
    • The Korean Journal of Pain
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    • v.18 no.2
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    • pp.240-245
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    • 2005
  • Herein is described the successful treatment of complex regional pain syndrome type II with the combination treatment of spinal cord stimulation and radiofrequency thermocoagulation of the lumbar sympathetic ganglion. A 62 years old male patient, suffering from CRPS type II in his left lower extremity, visited our pain clinic. Medication and nerve blockade produced only slight improvement in his symptoms and signs. Therefore, a linear type spinal cord simulator was inserted into the thoracic epidural space, using a non-surgical percutaneous approach, with the cephalad lead located at the T11 level. Two months later, the repositioning of the electrode to the T12 level for more effective pain control, with radiofrequency thermocoagulation of lumbar sympathetic ganglion also performed at the left L2 and 3 levels for the control of trophic change. These resulted in significant pain relief and decreased trophic change, with no complications, after which the patient was able to resume a normal life.

Cognitive Assessment in Complex Regional Pain Syndrome Patients (복합부위통증증후군 환자의 인지기능 평가)

  • Moon, Jee Youn;Kim, Yong Chul;Park, Mi Jung;Lee, Pyung Bok;Lee, Sang Chul;Kang, Do Hyung;Shin, Min Sup;Kwon, Tae Myung
    • The Korean Journal of Pain
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    • v.22 no.1
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    • pp.28-32
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    • 2009
  • Background: Complex regional pain syndrome (CRPS) is characterized by severe neuropathic pain and disability, which can result in psychological and behavioral dysfunction. The goal of the present study was to evaluate neurocognitive disability, and to assess the relationship between clinical variables and neuropsychological features in CRPS patients. Methods: We investigated the neuropsychological features of 15 CRPS I patients. The neuropsychological tests that we made comprised of a full intelligence quotient, memory quotient, trail-making test A, trail-making test B (TMT-B), and MMPI (Minnesota multiphasic personality inventory). Results: The results showed severe disability in performance on TMT-B. There was no significant correlation between specific cognitive variables and MMPI scales. Conclusions: Decreased performance on TMT-B which shows mental flexibility in the prefrontal lobe exists independently from depressive disorders in CRPS patients.

Study of Legal Issues on Complex Regional Pain Syndrome (CRPS) - Focusing on issues in damage compensation lawsuit - (복합부위통증증후군(CRPS)에 관한 법적 문제 고찰 - 손해배상소송의 쟁점을 중심으로 -)

  • Bae, Hyun-Mo
    • The Korean Society of Law and Medicine
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    • v.11 no.1
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    • pp.91-116
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    • 2010
  • As Complex Regional Pain Syndrome (CRPS) is a new and rare illness, medical cause for it has not yet been clearly found out. Nevertheless, the patients continue to file lawsuits for damage compensation against wrongdoers or their insurers, claiming that the cause of the illness is certain actions of the wrongdoers. Moreover, the claim amount reaches to hundreds of millions of won through billions of won unlike other illnesses. Therefore, CRPS has become an important legal issue in the damage compensation lawsuit. Even though the wound is slight, the development and result may be serious in the case of CRPS. As a result, a sharp conflict arises even regarding medical diagnosis of CRPS in the lawsuit. And, even if the medical diagnosis of CRPS is admitted, severe debates occurs with regard to many issues, which include the causation between accident and CRPS in connection with establishment of damage compensation liability and scope of liability like anamnesis, determination standard of aftereffect disability, and scope of admitted aftereffect medical expense in connection with scope of damage compensation. In this study, I will review fundamental medical research on CRPS up to now and discuss principal legal issues in the damage compensation lawsuit focusing on lower court rulings.

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A Clinical Case Study of a Patient with Complex Regional Pain Syndrome (CRPS) Type I Treated by 8 Constitution Acupuncture (팔체질침(八體質鍼)으로 치료한 복합부위통증증후군 1형 환자 1례에 대한 증례보고)

  • Hwang, Min Hyok;Lee, Yun Kyu;Kim, Jae Su;Lee, Hyun Jong;Lim, Sung Chul
    • Journal of Acupuncture Research
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    • v.33 no.3
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    • pp.181-187
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    • 2016
  • Objectives : The purpose of this study is to report the clinical effects of 8 constitution acupuncture on a patient with complex regional pain syndrome (CRPS) type I. Methods : In this study, a patient with CRPS was treated by 8 constitution acupuncture therapy. He was diagnosed in the Cholecystonia of 8 constitution diagnosis. The progress of symptoms were evaluated by visual analog scale (VAS) and sleeping time. VAS and sleeping time were evaluated at 7:00 am daily. Results : VAS decreased from 10 to 4, while sleeping time increased from 30 minutes to 3 hours. Conclusion : The results suggest that 8 constitution acupuncture is effective for treating symptoms of CRPS type I.

Bee Venom Pharmacopuncture: An Effective Treatment for Complex Regional Pain Syndrome

  • Kim, Jong-Min;Jeon, Hyung-Joon;Kim, Hyun-Ji;Cho, Chong-Kwan;Yoo, Hwa-Seung
    • Journal of Pharmacopuncture
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    • v.17 no.4
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    • pp.66-69
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    • 2014
  • Objectives: Treating complex regional pain syndrome (CRPS) is difficult because it still does not have a recommended therapy. A 29-year-old man was diagnosed with CRPS after surgery on his $4^{th}$ and $5^{th}$ left toes 7 years ago. Though he had undergone diverse pain treatment, the symptoms persisted, so he visited Dunsan Korean Medicine Hospital of Daejeon University. This case report presents results on the effect of bee venom pharmacopuncture in treating patient with CRPS. Methods: Bee venom pharmacopuncture (BVP), 0.15 to 0.4 mL dosage, was administered at GB43. The treatment was applied each week for a total 14 times. The symptoms were evaluated using a numeric rating scale (NRS) and the dosage of pain medicine. Results: On the first visit, he was taking an anticonvulsant, a trycyclic antidepressant, and an analgesic. On the NRS the worst pain in the toes received a score of 8. He also complained of severe pain and hypersensitivity when the $4^{th}$ and the $5^{th}$ toes were touched just slightly. Other complaint included dyspepsia, rash, and depression. After treatment, on the NRS, the score for toe pain was 0, and he no longer needed to take pain medication. During the 4-months follow-up period, he has remained without pain; neither have additional symptoms appeared nor adverse events occurred. Conclusion: BVP may have potential benefits for treating patients with CRPS.

Cervical and Thoracic Spinal Cord Stimulation in a Patient with Pediatric Complex Regional Pain Syndrome -A case report- (소아 복합부위통증증후군 환자에서 경부와 흉부 척수 자극술 -증례보고-)

  • Park, Jung Ju;Moon, Dong Eon;Park, Seung Jae;Choi, Jung Il;Shim, Jae Chol
    • The Korean Journal of Pain
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    • v.20 no.1
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    • pp.60-65
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    • 2007
  • Complex Regional Pain Syndromes (CRPS) type I and type II are neuropathic pain conditions that are being increasingly recognized in children and adolescents. The special distinctive features of pediatric CRPS are the milder course, the better response to treatment and the higher recurrence rate than that of adults and the lower extremity is commonly affected. We report here on a case of pediatric CRPS that was derived from ankle trauma and long term splint application at the left ankle. The final diagnoses were CRPS type I in the right upper limb, CRPS type II in the left lower limb and unclassified neuropathy in the head, neck and precordium. The results of various treatments such as medication, physical therapy and nerve blocks, including lumbar sympathetic ganglion blocks, were not effective, so implantation of a spinal cord stimulator was performed. In order to control the pain in his left lower limb, one electrode tip was located at the 7th thoracic vertebral level and two electrode tips were located at the 7th and 2nd cervical vertebral levels for pain control in right upper limb, head, neck and right precordium. After the permanent insertion of the stimulator, the patient's pain was significantly resolved and his disabilities were restored without recurrence. The patient's pain worsened irregularly, which might have been caused by psychological stress. But the patient has been treated with medicine at our pain clinic and he is being followed up by a psychiatrist. (Korean J Pain 2007; 20: 60-65)

Searching for Hidden, Painful Osteochondral Lesions of the Ankle in Patients with Chronic Lower Limb Pain - Two Case Reports -

  • Ri, Hyun Su;Lee, Dong Heon;Kim, Kyung Hoon
    • The Korean Journal of Pain
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    • v.26 no.2
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    • pp.164-168
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    • 2013
  • It is easy to overlook osteochondral lesions (OCLs) of the ankle in patients with chronic lower limb pain, such as complex regional pain syndrome (CRPS) or thromboangiitis obliterans (TAO, Buerger's disease). A 57-year-old woman diagnosed with type 1 CRPS, and a 58-year-old man, diagnosed with TAO, complained of tactile and cold allodynia in their lower legs. After neurolytic lumbar sympathethic ganglion block and titration of medications for neuropathic pain, each subject could walk without the aid of crutches. However, they both complained of constant pain on the left ankle during walking. Focal tenderness was noted; subsequent imaging studies revealed OCLs of her talus and his distal tibia, respectively. Immediately after percutaneous osteoplasties, the patients could walk without ankle pain. It is important to consider the presence of a hidden OCL in chronic pain patients that develop weight-bearing pain and complain of localized tenderness on the ankle.

Increased calcium-mediated cerebral processes after peripheral injury: possible role of the brain in complex regional pain syndrome

  • Nahm, Francis Sahngun;Lee, Jae-Sung;Lee, Pyung-Bok;Choi, Eunjoo;Han, Woong Ki;Nahm, Sang-Soep
    • The Korean Journal of Pain
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    • v.33 no.2
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    • pp.131-137
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    • 2020
  • Background: Among various diseases that accompany pain, complex regional pain syndrome (CRPS) is one of the most frustrating for patients and physicians. Recently, many studies have shown functional and anatomical abnormalities in the brains of patients with CRPS. The calcium-related signaling pathway is important in various physiologic processes via calmodulin (CaM) and calcium-calmodulin kinase 2 (CaMK2). To investigate the cerebral mechanism of CRPS, we measured changes in CaM and CaMK2 expression in the cerebrum in CRPS animal models. Methods: The chronic post-ischemia pain model was employed for CRPS model generation. After generation of the animal models, the animals were categorized into three groups based on changes in the withdrawal threshold for the affected limb: CRPS-positive (P), CRPS-negative (N), and control (C) groups. Western blot analysis was performed to measure CaM and CaMK2 expression in the rat cerebrum. Results: Animals with a decreased withdrawal threshold (group P) showed a significant increment in cerebral CaM and CaMK2 expression (P = 0.013 and P = 0.021, respectively). However, groups N and C showed no difference in CaM and CaMK2 expression. Conclusions: The calcium-mediated cerebral process occurs after peripheral injury in CRPS, and there can be a relationship between the cerebrum and the pathogenesis of CRPS.

A comparison of analgesic efficacy and safety of clonidine and methylprednisolone as additives to 0.25% ropivacaine in stellate ganglion block for the treatment of complex regional pain syndrome: a prospective randomised single blind study

  • Sreyashi Naskar;Debesh Bhoi;Heena Garg;Maya Dehran;Anjan Trikha;Mohammed Tahir Ansari
    • The Korean Journal of Pain
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    • v.36 no.2
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    • pp.216-229
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    • 2023
  • Background: The role of the sympathetic nervous system appears to be central in causing pain in complex regional pain syndrome (CRPS). The stellate ganglion block (SGB) using additives with local anesthetics is an established treatment modality. However, literature is sparse in support of selective benefits of different additives for SGB. Hence, the authors aimed to compare the efficacy and safety of clonidine with methylprednisolone as additives to ropivacaine in the SGB for treatment of CRPS. Methods: A prospective randomized single blinded study (the investigator blinded to the study groups) was conducted among patients with CRPS-I of the upper limb, aged 18-70 years with American Society of Anaesthesiologists physical status I-III. Clonidine (15 ㎍) and methylprednisolone (40 mg) were compared as additives to 0.25% ropivacaine (5 mL) for SGB. After medical treatment for two weeks, patients in each of the two groups were given seven ultrasound guided SGBs on alternate days. Results: There was no significant difference between the two groups with respect to visual analogue scale score, edema, or overall patient satisfaction. After 1.5 months follow-up, however, the group that received methylprednisolone had better improvement in range of motion. No significant side effects were seen with either drug. Conclusions: The use of additives, both methylprednisolone and clonidine, is safe and effective for the SGB in CRPS. The significantly better improvement in joint mobility with methylprednisolone suggests that it should be considered promising as an additive to local anaesthetics when joint mobility is the concern.

The Study on the Eastern and Western Medical Literatures for Complex Regional Pain Syndrome (복합부위통증증후군에 대한 동서의학적 고찰)

  • Kim, Dong-Eun;Yu, Deok-Seon;Jung, Il-Min;Lee, Jeong-Han;Yeom, Seung-Ryong;Kwon, Young-Dal
    • Journal of Korean Medicine Rehabilitation
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    • v.19 no.2
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    • pp.157-185
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    • 2009
  • Objectives : The aim of this study is to suggest approach of oriental medical management and necessity by research of eastern and western medical literatures for Complex Regional Pain Syndrome(CRPS). Methods : We reviewed the clinical and experimental literatures of eastern and western concerned with CRPS which is related causation, signs and symptoms, diagnosis, etiology and management. Results : 1. CRPS is divided into type I and II by nerve injury. Two types of CRPS have been recognized: type I, corresponds to RSD and occurs without a definable nerve lesion, and type II, formerly called causalgia refers to cases where a definable nerve lesion is present. These conditions can be charaterized clinically by the sensory abnormalities, vascular abnormalities, oedema, sweating abnormalities, motor or trophic changes. 2. CRPS are well known to patients and physicians relatively, but the pathophysiology, causation and treatments are still unclear. 3. CRPS is needed to take the early diagnosis and multidisciplinary approach for significant effect. 4. CRPS can be regarded for obstruction syndrome of Ki and blood(痺證), blood stasis(瘀血), Wei symptom(痿證), numbness(痲木) in the oriental medical management of CRPS. Conclusions : Above the results, it is suggested that further studies and active approach of management of CRPS will be conducted precisely in oriental medicine.