OBJECTIVE: To assess the feasibility, technical success, and effectiveness of high-resolution magnetic resonance (MR)-guided posterior femoral cutaneous nerve (PFCN) blocks. MATERIALS AND METHODS: A retrospective analysis of 12 posterior femoral cutaneous nerve blocks in 8 patients [6 (75%) female, 2 (25%) male; mean age, 47 years; range, 42-84 years] with chronic perineal pain suggesting PFCN neuropathy was performed. Procedures were performed with a clinical wide-bore 1.5-T MR imaging system. High-resolution MR imaging was utilized for visualization and targeting of the PFCN. Commercially available, MR-compatible 20-G needles were used for drug delivery. Variables assessed were technical success (defined as injectant surrounding the targeted PFCN on post-intervention MR images) effectiveness, (defined as post-interventional regional anesthesia of the target area innervation downstream from the posterior femoral cutaneous nerve block), rate of complications, and length of procedure time. RESULTS: MR-guided PFCN injections were technically successful in 12/12 cases (100%) with uniform perineural distribution of the injectant. All blocks were effective and resulted in post-interventional regional anesthesia of the expected areas (12/12, 100%). No complications occurred during the procedure or during follow-up. The average total procedure time was 45 min (30-70) min. CONCLUSIONS: Our initial results demonstrate that this technique of selective MR-guided PFCN blocks is feasible and suggest high technical success and effectiveness. Larger studies are needed to confirm our initial results.
OBJECTIVE: To assess the feasibility, technical success, and effectiveness of high-resolution magnetic resonance (MR)-guided posterior femoral cutaneous nerve (PFCN) blocks. MATERIALS AND METHODS: A retrospective analysis of 12 posterior femoral cutaneous nerve blocks in 8 patients [6 (75%) female, 2 (25%) male; mean age, 47 years; range, 42-84 years] with chronic perineal pain suggesting PFCN neuropathy was performed. Procedures were performed with a clinical wide-bore 1.5-T MR imaging system. High-resolution MR imaging was utilized for visualization and targeting of the PFCN. Commercially available, MR-compatible 20-G needles were used for drug delivery. Variables assessed were technical success (defined as injectant surrounding the targeted PFCN on post-intervention MR images) effectiveness, (defined as post-interventional regional anesthesia of the target area innervation downstream from the posterior femoral cutaneous nerve block), rate of complications, and length of procedure time. RESULTS: MR-guided PFCN injections were technically successful in 12/12 cases (100%) with uniform perineural distribution of the injectant. All blocks were effective and resulted in post-interventional regional anesthesia of the expected areas (12/12, 100%). No complications occurred during the procedure or during follow-up. The average total procedure time was 45 min (30-70) min. CONCLUSIONS: Our initial results demonstrate that this technique of selective MR-guided PFCN blocks is feasible and suggest high technical success and effectiveness. Larger studies are needed to confirm our initial results.
Authors: Frank K Wacker; Sebastian Vogt; Ali Khamene; John A Jesberger; Sherif G Nour; Daniel R Elgort; Frank Sauer; Jeffrey L Duerk; Jonathan S Lewin Journal: Radiology Date: 2006-02 Impact factor: 11.105
Authors: Jan Fritz; Thomas Niemeyer; Stephan Clasen; Jakub Wiskirchen; Gunnar Tepe; Bruno Kastler; Thomas Nägele; Claudius W König; Claus D Claussen; Philippe L Pereira Journal: Radiographics Date: 2007 Nov-Dec Impact factor: 5.333
Authors: Jan Fritz; Jörg C Henes; Christoph Thomas; Stephan Clasen; Michael Fenchel; Claus D Claussen; Jonathan S Lewin; Philippe L Pereira Journal: AJR Am J Roentgenol Date: 2008-12 Impact factor: 3.959
Authors: Stefan Meng; Doris Lieba-Samal; Lukas F Reissig; Gerlinde M Gruber; Peter C Brugger; Hannes Platzgummer; Gerd Bodner Journal: Skeletal Radiol Date: 2015-06-24 Impact factor: 2.199
Authors: David R Marker; Paweena U-Thainual; Tamas Ungi; Aaron J Flammang; Gabor Fichtinger; Iulian I Iordachita; John A Carrino; Jan Fritz Journal: Skeletal Radiol Date: 2016-01-20 Impact factor: 2.199
Authors: Merel Huisman; Robert M Staruch; Michelle Ladouceur-Wodzak; Maurice A van den Bosch; Dennis K Burns; Avneesh Chhabra; Rajiv Chopra Journal: PLoS One Date: 2015-12-14 Impact factor: 3.240
Authors: Matthew R Walker; Jidan Zhong; Adam C Waspe; Karolina Piorkowska; Lananh N Nguyen; Dimitri J Anastakis; James M Drake; Mojgan Hodaie Journal: Front Neurol Date: 2021-07-09 Impact factor: 4.003