In-hospital Stellate Ganglion Block for Arrhythmic Storm

Condition(s) studied

Investigational drug(s) / intervention(s)

Percutaneous stellate ganglion block (PSGB): Both the two approaches present in literature and commonly used for this technique are allowed for the study: * The "anatomical" approach which consist in the identification of the Chassaignac's tubercle that represents the point of needle insertion * The "echo-guided" approach

Study summary

Arrhythmic storm is a real emergency and its treatment could be challenging. Antiarrhythmic drugs are few and often ineffective. Neuromodulation has been grown in evidences but no large multicentric studies are present in literature about safety and effectiveness of Percutaneous Stellate Ganglion Block (PSGB). Patients with an electrical storm refractory to at least one antiarrhythmic drug will receive PSGB and will be enrolled in the present study.

The number of defibrillations before and after the treatment will be compared, complications will be annotated.

Eligibility

Primary outcome measure(s)

• reduction of arrhythmic relapses after PSGB — 12h before and 12h after the procedure
  effectiveness of the PSGB expressed by the reduction of arrhythmic relapses (number of DC shocks or anti-tachycardia pacing ATP) of at least 50% after PSGB.

Trial sites (38)

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