目的探讨触觉反馈对下腰痛(Low back pain,LBP)患者多裂肌活动的影响。方法纳入20名健康成人(对照组)和20名慢性LBP患者(LBP组),在L5节段将两个肌电图(EMG)电极放置于两侧多裂肌位置。施术者将手与参与者的多裂肌部位进行直接、连续的接...目的探讨触觉反馈对下腰痛(Low back pain,LBP)患者多裂肌活动的影响。方法纳入20名健康成人(对照组)和20名慢性LBP患者(LBP组),在L5节段将两个肌电图(EMG)电极放置于两侧多裂肌位置。施术者将手与参与者的多裂肌部位进行直接、连续的接触,以施加触觉反馈,分别在有、无触觉反馈的情况下,记录以下体位时的EMG信号:①参与者静息状态时,记录EMG活动信号3次;②参与者对侧臂抬起期间,记录EMG信号5次。将对照组右侧和LBP组患侧的相对EMG值进行统计学分析。结果①在静息状态期间,两组有、无触觉反馈时的相对EMG值均无显著组间差异(P=0.829),但总体而言,触觉反馈条件下EMG值显著降低(P=0.013)。②在对侧臂抬高期间,两组间有、无触觉反馈时的相对EMG值均无显著组间差异(P=0.878),但总体而言,触觉反馈条件下EMG值显著降低(P=0.010)。结论无论是常人抑或LBP患者,触觉反馈对其腰椎多裂肌活动均具有抑制作用,甚至可能降低预期的治疗效果。展开更多
Background Visceral pain is a common cause for seeking medical attention. Afferent fibers innervating viscera project to the central nervous system via sympathetic nerves. The lumbar sympathetic nerve trunk lies in fr...Background Visceral pain is a common cause for seeking medical attention. Afferent fibers innervating viscera project to the central nervous system via sympathetic nerves. The lumbar sympathetic nerve trunk lies in front of the lumbar spine. Thus, it is possible for patients to suffer visceral pain originating from sympathetic nerve irritation induced by anterior herniation of the lumbar disc. This study aimed to evaluate lumbar discogenic visceral pain and its treatment. Methods Twelve consecutive patients with a median age of 56.4 years were enrolled for investigation between June 2012 and December 2012. These patients suffered from long-term abdominal pain unresponsive to current treatment options. Apart from obvious anterior herniation of the lumbar discs and high signal intensity anterior to the herniated disc on magnetic resonance imaging, no significant pathology was noted on gastroscopy, vascular ultrasound, or abdominal computed tomography （CT）. To prove that their visceral pain originated from the anteriorly protruding disc, we evaluated whether pain was relieved by sympathetic block at the level of the anteriorly protruding disc. If the block was effective, CT-guided continuous lumbar sympathetic nerve block was finally performed. Results All patients were positive for pain relief by sympathetic block. Furthermore, the average Visual Analog Scale of visceral pain significantly improved after treatment in all patients （P 〈0.05）. Up to 11/12 patients had satisfactory pain relief at 1 week after discharge, 8/12 at 4 weeks, 7/12 at 8 weeks, 6/12 at 12 weeks, and 5/12 at 24 weeks. Conclusions It is important to consider the possibility of discogenic visceral pain secondary to anterior herniation of the lumbar disc when forming a differential diagnosis for seemingly idiopathic abdominal pain. Continuous lumbar sympathetic nerve block is an effective and safe therapy for patients with discogenic visceral pain.展开更多
文摘目的探讨触觉反馈对下腰痛(Low back pain,LBP)患者多裂肌活动的影响。方法纳入20名健康成人(对照组)和20名慢性LBP患者(LBP组),在L5节段将两个肌电图(EMG)电极放置于两侧多裂肌位置。施术者将手与参与者的多裂肌部位进行直接、连续的接触,以施加触觉反馈,分别在有、无触觉反馈的情况下,记录以下体位时的EMG信号:①参与者静息状态时,记录EMG活动信号3次;②参与者对侧臂抬起期间,记录EMG信号5次。将对照组右侧和LBP组患侧的相对EMG值进行统计学分析。结果①在静息状态期间,两组有、无触觉反馈时的相对EMG值均无显著组间差异(P=0.829),但总体而言,触觉反馈条件下EMG值显著降低(P=0.013)。②在对侧臂抬高期间,两组间有、无触觉反馈时的相对EMG值均无显著组间差异(P=0.878),但总体而言,触觉反馈条件下EMG值显著降低(P=0.010)。结论无论是常人抑或LBP患者,触觉反馈对其腰椎多裂肌活动均具有抑制作用,甚至可能降低预期的治疗效果。
文摘Background Visceral pain is a common cause for seeking medical attention. Afferent fibers innervating viscera project to the central nervous system via sympathetic nerves. The lumbar sympathetic nerve trunk lies in front of the lumbar spine. Thus, it is possible for patients to suffer visceral pain originating from sympathetic nerve irritation induced by anterior herniation of the lumbar disc. This study aimed to evaluate lumbar discogenic visceral pain and its treatment. Methods Twelve consecutive patients with a median age of 56.4 years were enrolled for investigation between June 2012 and December 2012. These patients suffered from long-term abdominal pain unresponsive to current treatment options. Apart from obvious anterior herniation of the lumbar discs and high signal intensity anterior to the herniated disc on magnetic resonance imaging, no significant pathology was noted on gastroscopy, vascular ultrasound, or abdominal computed tomography （CT）. To prove that their visceral pain originated from the anteriorly protruding disc, we evaluated whether pain was relieved by sympathetic block at the level of the anteriorly protruding disc. If the block was effective, CT-guided continuous lumbar sympathetic nerve block was finally performed. Results All patients were positive for pain relief by sympathetic block. Furthermore, the average Visual Analog Scale of visceral pain significantly improved after treatment in all patients （P 〈0.05）. Up to 11/12 patients had satisfactory pain relief at 1 week after discharge, 8/12 at 4 weeks, 7/12 at 8 weeks, 6/12 at 12 weeks, and 5/12 at 24 weeks. Conclusions It is important to consider the possibility of discogenic visceral pain secondary to anterior herniation of the lumbar disc when forming a differential diagnosis for seemingly idiopathic abdominal pain. Continuous lumbar sympathetic nerve block is an effective and safe therapy for patients with discogenic visceral pain.
