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Interventional Radiology
Procedures
Pain Management Interventions
Pelvis and Perineum
Chronic Pain Procedures
Ganglion Impar Block
Ganglion Impar Block
Colin J. McCarthy, MB, BCh, BAO, MRCSI, FFR (RCSI)
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KEY FACTS
Terminology
Preprocedure
Procedure
Outcomes
TERMINOLOGY
Synonyms
Ganglion of Walther
Definitions
Ganglion impar is solitary, midline sympathetic ganglion; note that all other sympathetic ganglia in body are paired/bilateral
Represents caudal termination of sympathetic chain
PREPROCEDURE
Indications
Contraindications
Preprocedure Imaging
Getting Started
PROCEDURE
Patient Position/Location
Procedure Steps
Choice of Image Guidance
POST PROCEDURE
Expected Outcome
Things To Avoid
OUTCOMES
Complications
Selected References
Gonnade N et al: Ganglion impar block in patients with chronic coccydynia. Indian J Radiol Imaging. 27(3):324-8, 2017
Scott-Warren JT et al: Ganglion impar blockade: a review. Curr Pain Headache Rep. 17(1):306, 2013
Datir A et al: CT-guided injection for ganglion impar blockade: a radiological approach to the management of coccydynia. Clin Radiol. 65(1):21-5, 2010
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References
Tables
Tables
KEY FACTS
Terminology
Preprocedure
Procedure
Outcomes
TERMINOLOGY
Synonyms
Ganglion of Walther
Definitions
Ganglion impar is solitary, midline sympathetic ganglion; note that all other sympathetic ganglia in body are paired/bilateral
Represents caudal termination of sympathetic chain
PREPROCEDURE
Indications
Contraindications
Preprocedure Imaging
Getting Started
PROCEDURE
Patient Position/Location
Procedure Steps
Choice of Image Guidance
POST PROCEDURE
Expected Outcome
Things To Avoid
OUTCOMES
Complications
Selected References
Gonnade N et al: Ganglion impar block in patients with chronic coccydynia. Indian J Radiol Imaging. 27(3):324-8, 2017
Scott-Warren JT et al: Ganglion impar blockade: a review. Curr Pain Headache Rep. 17(1):306, 2013
Datir A et al: CT-guided injection for ganglion impar blockade: a radiological approach to the management of coccydynia. Clin Radiol. 65(1):21-5, 2010
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