Abstract:
BACKGROUND AND OBJECTIVES:Several types of quadratus lumborum block (QLB) are used for postoperative analgesia and are believed to be effective against both somatic and visceral pain via a local anesthetic (LA) effect in the paravertebral space (PVS). However, it remains unclear whether all QLB techniques result in LA spread into the PVS. We hypothesized that LA administered via intramuscular QLB would spread into the paravertebral space and investigated the spread and sensory block area of LA in intramuscular QLB. METHODS:This volunteer study included 5 healthy men and 1 woman, with no previous medical history. Intramuscular QLB and lateral transversus abdominis plane block were performed under real-time ultrasound guidance for comparison of sensory deprivation range. Two days later, the same procedure was performed on the contralateral side of the body. The spread of LA via intramuscular QLB spread to the PVS was assessed 1 hour after the first injections using magnetic resonance imaging. Sensory perception was also evaluated by the pinprick test at 90 minutes after injection. RESULTS:In total, we performed 11 intramuscular QLBs and 11 lateral transversus abdominis plane blocks. Magnetic resonance imaging showed that LA did not spread into the PVS after ultrasound-guided intramuscular QLB. The analgesic area corresponded to the side of the body that was ipsilateral to the block. CONCLUSIONS:Ultrasound-guided intramuscular QLBs are not clinically useful for procedures requiring LA spread into the PVS but do result in an ipsilateral analgesic effect in healthy volunteers. CLINICAL TRIAL REGISTRATION:This study was registered at University Hospital Medical Information Network Clinical Trials Registry, UMIN 000019149.
journal_name
Reg Anesth Pain Medjournal_title
Regional anesthesia and pain medicineauthors
Tamura T,Kitamura K,Yokota S,Ito S,Shibata Y,Nishiwaki Kdoi
10.1097/AAP.0000000000000735subject
Has Abstractpub_date
2018-05-01 00:00:00pages
372-377issue
4eissn
1098-7339issn
1532-8651journal_volume
43pub_type
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journal_title:Regional anesthesia and pain medicine
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journal_title:Regional anesthesia and pain medicine
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journal_title:Regional anesthesia and pain medicine
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journal_title:Regional anesthesia and pain medicine
pub_type: 杂志文章,评审
doi:10.1097/AAP.0b013e3181d25675
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journal_title:Regional anesthesia and pain medicine
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journal_title:Regional anesthesia and pain medicine
pub_type: 杂志文章
doi:10.1016/s1098-7339(03)00393-6
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journal_title:Regional anesthesia and pain medicine
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doi:10.1016/j.rapm.2006.03.011
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pub_type: 杂志文章,多中心研究
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journal_title:Regional anesthesia and pain medicine
pub_type: 杂志文章
doi:10.1097/AAP.0000000000000416
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journal_title:Regional anesthesia and pain medicine
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journal_title:Regional anesthesia and pain medicine
pub_type: 杂志文章
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journal_title:Regional anesthesia and pain medicine
pub_type: 杂志文章,随机对照试验
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journal_title:Regional anesthesia and pain medicine
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journal_title:Regional anesthesia and pain medicine
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journal_title:Regional anesthesia and pain medicine
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journal_title:Regional anesthesia and pain medicine
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journal_title:Regional anesthesia and pain medicine
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journal_title:Regional anesthesia and pain medicine
pub_type: 杂志文章,评审
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journal_title:Regional anesthesia and pain medicine
pub_type: 杂志文章
doi:10.1097/AAP.0b013e3181b4cc6b
更新日期:2009-11-01 00:00:00
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journal_title:Regional anesthesia and pain medicine
pub_type: 杂志文章
doi:10.1097/aap.0b013e3181ac7f38
更新日期:2009-07-01 00:00:00
abstract:BACKGROUND/IMPORTANCE:Ultrasound (US)-guided cervical selective nerve root injections (CSNRI) have been proposed as an alternative to fluoroscopic (FL) -guided injections. When choosing US guidance, the proceduralist should be aware of potential issues confirming vertebral level, be clear regarding terminology, and up ...
journal_title:Regional anesthesia and pain medicine
pub_type: 杂志文章,评审
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更新日期:2021-01-13 00:00:00
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journal_title:Regional anesthesia and pain medicine
pub_type: 杂志文章,随机对照试验
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更新日期:2016-05-01 00:00:00
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journal_title:Regional anesthesia and pain medicine
pub_type: 杂志文章
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journal_title:Regional anesthesia and pain medicine
pub_type: 杂志文章,评审
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更新日期:2021-02-01 00:00:00
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journal_title:Regional anesthesia and pain medicine
pub_type: 杂志文章
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更新日期:2011-11-01 00:00:00
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journal_title:Regional anesthesia and pain medicine
pub_type: 杂志文章
doi:10.1136/rapm-2019-100531
更新日期:2019-05-21 00:00:00