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Kambin triangle versus the supraneural approach for the treatment of lumbar radicular pain

 Ki Deok Park  ;  Jiwon Lee  ;  Heami Jee  ;  Yongbum Park 
 American Journal of Physical Medicine & Rehabilitation, Vol.91(12) : 1039-1050, 2012 
Journal Title
 American Journal of Physical Medicine & Rehabilitation 
Issue Date
Aged ; Analgesia, Epidural/methods* ; Anesthetics, Local/administration & dosage* ; Anti-Inflammatory Agents/administration & dosage* ; Drug Therapy, Combination ; Female ; Humans ; Injections, Epidural/methods* ; Lidocaine/administration & dosage* ; Lumbar Vertebrae ; Male ; Middle Aged ; Patient Satisfaction ; Prospective Studies ; Radiculopathy/drug therapy* ; Treatment Outcome ; Triamcinolone/administration & dosage*
Kambin Triangle ; Transforaminal Injection ; Lumbar Radicular Pain
OBJECTIVE: The aim of this study was to conduct a randomized, blinded, prospective outcome study on the short-term benefits of the Kambin triangle vs. the supraneural approach for the treatment of lumbar radicular pain. DESIGN: Subjects with lumbar radicular pain (n = 100) were randomly assigned to undergo transforaminal epidural steroid injection using either the Kambin triangle approach or the supraneural approach. Primary outcomes were measured with a verbal numeric pain scale and the Oswestry Disability Index, and the results at 2 and 12 wks after the procedure were compared between the groups. Secondary outcomes included patient satisfaction and the incidence of complications during the transforaminal epidural steroid injection procedure. RESULTS: For both groups, the verbal numeric pain scale and Oswestry Disability Index scores improved 2 wks after the injections, and this improvement was maintained through the 12-wk follow-up. The verbal numeric pain scale, Oswestry Disability Index, and effectiveness scores were not significantly different between groups. Neural contact occurred in nine cases with the supraneural approach; no patients experienced neural contact with the Kambin triangle approach. CONCLUSIONS: The Kambin triangle approach can be used instead of the supraneural approach in cases where it is difficult to place the needle at the anterior epidural space.
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1. College of Medicine (의과대학) > Dept. of Family Medicine (가정의학교실) > 1. Journal Papers
Yonsei Authors
Lee, Ji Won(이지원) ORCID logo https://orcid.org/0000-0002-2666-4249
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