We treated a 56 year old male ailing of painful herpetic eruption on his 2nd, 3rd and 4th left cervical spinal segment. On the 18th day, patient also suffered an abrupt left facial palsy, accompanied with ongoing postherpetic neuralgia even though the skin eruption had been cured. This patient visited our pain clinic on his 46th day of illness and was teated with continuous cervical epidural block for 9 days, and stellate ganglion block plus oral analgesics and antidepressant for 12 days. The combination of treatments resulted in marked improvement of facial palsy and postherpetic neuralgia. A possible explanation of facial palsy accompanied with herpes zoster on cervical spinal segment could be related to Hunt's hypothesis that geniculate ganglion forms a chain connecting the high cervical ganglion below. Another possibility may be related to a compression injury of the facial nerve by long-term severe edema on the soft tissue of the face, the periauricular area and parotid gland around the facial nerve, and edema on the facial nerve itself emerging out from the cranium.
A 72-year-old female patient was presented complaining of unbearable abdominal pain in the upper left quadrant at our hospital. Two weeks earlier she had developed a vesicular eruption on the right C3 dermatome and 1 week earlier she had experienced a vesicular eruption on the left T11 dermatome. Her medical history was unremarkable. She had suffered from severe abdominal pain in the upper left quadrant for 10 days and the mild pain in the right shoulder region for 20 days. The pain in the upper left quadrant had increased and was unresponsive to drugs prescribed by the local clinic. And we performed T11 root block with 0.5% lidocaine 5 ml and dexametasone 5 mg, and thoracic epidural blockade on 1st hospital day under diagnosis of herpes zoster infection. Her VAS were improved from 10 to 2 on 2nd hospital day. We performed thoracic epidural blockade with 0.5% lidocaine 6 ml. Her VAS were changed from 2 to 7 and so then we performed the thoracic epidural blockade with 0.5% lidocaine 5 ml and triamcinolone 40 mg on 3rd hospital day. On 4th hospital day, her VAS were from 7 to 1. After 4 month of our managements she was tolerable without any medications.
Background: The aim of this study was to evaluate radiation exposure to the eye and thyroid in pain physicians during the fluoroscopy-guided cervical epidural block (CEB). Methods: Two pain physicians (a fellow and a professor) who regularly performed C-arm fluoroscopy-guided CEBs were included. Seven dosimeters were used to measure radiation exposure, five of which were placed on the physician (forehead, inside and outside of the thyroid protector, and inside and outside of the lead apron) and two were used as controls. Patient age, sex, height, and weight were noted, as were radiation exposure time, absorbed radiation dose, and distance from the X-ray field center to the physician. Results: One hundred CEB procedures using C-arm fluoroscopy were performed on comparable patients. Only the distance from the X-ray field center to the physician was significantly different between the two physicians (fellow: 37.5 ± 2.1 cm, professor: 41.2 ± 3.6 cm, P = 0.03). The use of lead-based protection effectively decreased the absorbed radiation dose by up to 35%. Conclusions: Although there was no difference in radiation exposure between the professor and the fellow, there was a difference in the distance from the X-ray field during the CEBs. Further, radiation exposure can be minimized if proper protection (thyroid protector, leaded apron, and eyewear) is used, even if the distance between the X-ray beam and the pain physician is small. Damage from frequent, low-dose radiation exposure is not yet fully understood. Therefore, safety measures, including lead-based protection, should always be enforced.
We had retrospective analysis of 421 patients who were consulted from other departments. From 1994 to 1997, these patients received nerve blocks, intravenous lidocaine infusion, lasers and so on for their pain. From these results, we are gathering information and making some recommandations. The largest percentage of patients were in their fifties with a distribution of 32.8% male and 55.1% female. The most common condition requiring treatment was low back pain 44.6%, followed by cancer pain 19.2%, cervical pain 7.4%, and shoulder pain 4.3%. In case of low back pain, the largest portion was HNP(27%), followed by spinal stenosis(16%), sprain(11%), and postlaminectomy(10%). The most common cacer was colorectal(28.4%) and the next was stomach(19.7%). The most commonly done nerve block was stellate ganglion block 32.3%, followed by lumbar epidural block 24.5% and caudal block 7.2%.
For the relief of pain in 3 cases of whiplash syndromes (case I, II and IV) and in one of reflex sympathetic dystrophy (case III), we have carried out six intentional. total spinal blocks (TSB) which attempted two times in case I, three in case II and one in carte III whoso various symptoms were chronically unresponsive to the usual conservative treatments, and a time of cervical epidural and right suprascapular nerve block in case W whose acute symptom lasted 4 drys following the cervical injury (see fables from 1 to 9). During the 753, we have observed clinically the sequential charges of respiration, lid and pupil reflexes, body motion and consciousness. And checked the blood pressure, pulse rate and arterial Pco2. The effectiveness of those blocks has been assessed by using the Visual Analog Scale which is designed to measure the patient$\acute{s}$ subjective intensity of pain and also we have found out the sequelae following those blocks. The methods of the blocks were as the following: 1. Under the N.P.O. for 8~10 hours, the preparations of immediate cardiopulmonary resuscitation and premedication with atropine 0.5mg at thirty minutes before the TSB, it was performed by injecting the mixture of 2% mepivacaine 10 or 15ml and normal saline 10 or 5ml through No. 23 G. spinal needle into the subarachnoid space of $C_7-T_1$ interspinous region with fully flexed neck on the lateral posture. Immediately after the injection of the local anesthetic in the lateral position, the patient$\acute{s}$ were hasten to change Trendelenburg$\acute{s}$ position in order to act the drugs cephalad and to make easy controlled respiration with oxygen. 2. The cervical epidural block was done by injecting the mixture of 0.5% bupivacaine 4ml, normal saline 4ml and triamcinolone 15mg through No. 18 G. Tuohy needle into the epidural space on the same region and posture as the above without premedication.7he suprascapular nerve block was done by injecting of 0.5% bupivacaine 3ml only into the right suprascapular fossa on the sitting posture. The results were as the following: 1. The cessation of respiration was seen within 5 minutes following the subarachnoidal injection of the above 20ml mixture in 2 to 3 minutes and then soon the consciousness began to disappear. The loss of Lid and pupil reflexes noted between 5 to 10 minutes and the size of the dilated pupils was equal between 5 to 20 minutes, but the pupil of the dependent side on tile lateral position was dilated 1 to 3 minutes earlier than that of the independent. The patients had r=ever responded to any stimulations during the TSB except their heart funtion. 2. The recovery of the TSB was as the following, firstly the ankle and lower limb of the independent side began to move slightly with in 34 to 75 minutes after the injection and then that of the dependent Secondly the neck and upper limb moved 6 to 15 minutes later than the lower limb. Thirdly the self respiration began to appear between 40 to 80 minutes from the block. The lid and pupil reacted to touch and light respectively between 40 to 80 minutes but the pupil of the independent side responded earlier than that of the depends. Lastly the consciousness recovered completely between 80 to 125 minutes from the block. 3. In the cardiopulmonary function during the TSB, the blood pressure were stable except the 210/130 tory at the and block of case I. There were bradycardias between 65 to 85 minutes in case I and II but no arrythmia on the EKG. The level of the arterial Pco2 was maintained to 43~45 torr during the TSB. 4. The effectiveness of the above blocks was no pain(0%) in case IV, and light (10~20%) in case I and II but no improvement in case III. 5. The right arm weakness has been complicated as to be Injected accidently the "COLD" local anesthetic at the End block of case I.
Thoracic outlet syndrome (TOS) is a combination of signs and symptoms caused by the compression of the vital neurovascular structure at the thoracic outlet region. It may stem from a number of abnormalities, including degenerative or bony disorders, trauma to cervical spine, fibromuscular bands, vascular abnormalities and spasm of the anterior scalene muscle. CPT (current perception threshold) is defined as the minimum amount of current applied transcutaneously that an individual consciously perceives. It enables quantification of the hyperesthesia that precedes progressive nerve impairment, as well as hypoesthetic conditions. We experienced a case of thoracic outlet syndrome caused by fibrosis of anterior scalene muscle. The patient was a 30 years old woman with a 3 years history of numbness on the ulnar side, progressive weakness and coldness of both hand, tiredness in the left arm, nocturnal pain in the left forearm, and pain in the left elbow, shoulder and neck. Conservative treatment, stellate ganglion block, cervical epidural block, anterior scalene block and previous operation, including both carpal tunnel release, provided no remarkable relief to the patient. A left scalenectomy and first rib resection were performed by transaxillary approach and left cervical root neurolysis was done. After surgery, we measured CPT using neurometer and found conditions worsening in the opposite arm. We performed the same procedure on right side, and followed by CPT measurement. This case suggests that CPT is a useful measurement of recovery and progression of TOS.
1,666 patients treated by nerve block from September 1994 to August 1995 we statistically analyzed according to sex, age, diseases, and kinds of nerve blocks. Most patients were in the range from 30 to 60 year old, with a distribution of 43.9% male and 56.1% female. Diseases and ailments were as follows: low back pain 30.6%, frozen shoulder 14.0%, facial spasm 10.0%, cervical syndrome 9.7%, headache 7.3%, and hyperhidrosis 7.2%. Most common nerve blocks were stellate ganglion block 30.9%, epidural block 25.6%, trigger point injection 16.1%, and suprascapular nerve block 6.7%. Nerve blocks under fluoroscopic guide were as follows: facet joint block 28.6%, spinal root block 22.9%, thoracic sympathetic ganglion block 21.7%, and lumbar sympathetic ganglion block 15.4%.
Total spinal block is used as final choice for chronic intractable pain which doesn't respond to other treatments. A 35 years old male patient was admitted to pain clinic due to severe cramping and throbbing pain of whole body, especially left lateral side since 1980. The result of cervical and lumbar epidural block was not good enough, so we decided to try total spinal block. At first, C7-T1 interspace was punctured and 2% mepivacaine 20 ml was injected, but the result was not satisfied. Next day, L3-4 interspace was punctured and 1.5% mepivacaine 40 ml was injected. The sensory block level was C6 and pain score on Visual Analog Scale, was changed from 9 to 4. In both trials, actually even though they were not complete total spinal block, the effect was good enough. If complete total spinal block had been accomplished, better result might be obtained in this chronic intractable pain.
Kang, Sang Soo;Choi, Eun Seon;Park, Jun Hee;Hong, Seong Jun;Kim, Il Seok;Yun, Yeong Jun;Shin, Keun Man
The Korean Journal of Pain
/
v.20
no.2
/
pp.143-147
/
2007
Background: The safety of cervical transforaminal epidural block has been the subject of debate, therefore, this study was conducted to measure the angle of the cervical transforaminal axis and to investigate its relationship to the internal jugular vein, internal carotid artery and vertebral artery. Methods: One hundred cases of cervical MRI were reviewed. The angle between a line passing through the center of the vertebral body and spinous process and a line passing through the center of the lamina in C3-4, C4-5 and C5-6 was measured and designated as A-degree. Additionally, we drew a line at the back of the vertebral artery that ran parallel to a line passing through the center of the lamina, which was presented as A-line. We then examined the distribution of the area in which the internal jugular vein and the internal carotid artery were located. Results: The mean values of the A-degree in C3-4, C4-5 and C5-6 were $53.5{\pm}4.3$, $54.2{\pm}4.6$ and $54.3{\pm}4.8$, respectively. There were no statistically significant differences among age groups or vertebral levels (ANOVA test, P > 0.05). The A-line was distributed primarily throughout zone 3, 4, and 5 in C3-4 and zone 5 in C4-5 and C5-6. Conclusions: The results of this study indicate that the mean values of A-degree were not statistically different among each age group and each vertebral level. However, the A-line may be located in the zone in which the internal jugular vein and the internal carotid artery lie and individual differences in the A-degree remain.
Objective : Chronic neck or back pain can be managed with various procedures. Although these procedures are usually well-tolerated, a variety of side effects have been reported. In this study we reviewed cases of unexpected temporary adverse events after blocks and suggest possible causes. Methods : We reviewed the records of patients treated with spinal pain blocks between December 2009 and January 2011. The types of blocks performed were medial branch blocks, interlaminar epidural blocks and transforaminal epidural blocks. During the first eight months of the study period (Group A), 2% mepivacaine HCL and triamcinolone was used, and during the last six months of the study period (Group B), mepivacaine was diluted to 1% with normal saline. Results : There were 704 procedures in 613 patients. Ten patients had 12 transient neurologic events. Nine patients were in Group A and one was in Group B. Transient complications occurred in four patients after cervical block and in eight patients after lumbar block. Side effects of lumbar spine blocks were associated with the concentration of mepivacaine (p<0.05). The likely causes were a high concentration of mepivacaine in five patients, inadvertent vascular injection in three patients, intrathecal leak of local anesthetics in one, and underlying conversion disorder in one. Conclusion : Spinal pain blocks are a good option for relieving pain, but clinicians should always keep in mind the potential for development of inevitable complications. Careful history-taking, appropriate selection of the anesthetics, and using real-time fluoroscopy could help reduce the occurrence of adverse events.
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