Study: NCT03871192

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: FACET JOINT UNDER CT GUIDANCE
Description: injection of triamcinolone in the facet joint under CT guidance

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: FACET JOINT UNDER CT GUIDANCE
Description: injection of triamcinolone in the facet joint under CT guidance

Intervention type: DIAGNOSTIC_TEST
Group type: ACTIVE_COMPARATOR
Intervention: FACET JOINT UNDER CT GUIDANCE
Description: injection of triamcinolone in the facet joint under CT guidance

Intervention type: DIAGNOSTIC_TEST
Group type: ACTIVE_COMPARATOR
Intervention: FACET JOINT UNDER CT GUIDANCE
Description: injection of triamcinolone in the facet joint under CT guidance

Intervention type: DIAGNOSTIC_TEST
Group type: ACTIVE_COMPARATOR
Intervention: FACET JOINT UNDER CT GUIDANCE
Description: injection of triamcinolone in the facet joint under CT guidance

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: NERVE BLOCK UNDER CT GUIDANCE
Description: injection of triamcinolone around the dorsal ramus under CT guidance

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: NERVE BLOCK UNDER CT GUIDANCE
Description: injection of triamcinolone around the dorsal ramus under CT guidance

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: NERVE BLOCK UNDER CT GUIDANCE
Description: injection of triamcinolone around the dorsal ramus under CT guidance

Intervention type: DIAGNOSTIC_TEST
Group type: ACTIVE_COMPARATOR
Intervention: NERVE BLOCK UNDER CT GUIDANCE
Description: injection of triamcinolone around the dorsal ramus under CT guidance

Intervention type: DIAGNOSTIC_TEST
Group type: ACTIVE_COMPARATOR
Intervention: NERVE BLOCK UNDER CT GUIDANCE
Description: injection of triamcinolone around the dorsal ramus under CT guidance

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: FACET JOINT UNDER FLUOROSCOPY GUIDANCE
Description: injection of triamcinolone in the facet joint under fluoroscopy guidance

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: FACET JOINT UNDER FLUOROSCOPY GUIDANCE
Description: injection of triamcinolone in the facet joint under fluoroscopy guidance

Intervention type: DIAGNOSTIC_TEST
Group type: ACTIVE_COMPARATOR
Intervention: FACET JOINT UNDER FLUOROSCOPY GUIDANCE
Description: injection of triamcinolone in the facet joint under fluoroscopy guidance

Intervention type: DIAGNOSTIC_TEST
Group type: ACTIVE_COMPARATOR
Intervention: FACET JOINT UNDER FLUOROSCOPY GUIDANCE
Description: injection of triamcinolone in the facet joint under fluoroscopy guidance

Intervention type: DIAGNOSTIC_TEST
Group type: ACTIVE_COMPARATOR
Intervention: FACET JOINT UNDER FLUOROSCOPY GUIDANCE
Description: injection of triamcinolone in the facet joint under fluoroscopy guidance

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: NERVE BLOCK UNDER FLUOROSCOPY GUIDANCE
Description: injection of triamcinolone around the dorsal ramus under fluoroscopy guidance

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: NERVE BLOCK UNDER FLUOROSCOPY GUIDANCE
Description: injection of triamcinolone around the dorsal ramus under fluoroscopy guidance

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: NERVE BLOCK UNDER FLUOROSCOPY GUIDANCE
Description: injection of triamcinolone around the dorsal ramus under fluoroscopy guidance

Intervention type: DIAGNOSTIC_TEST
Group type: ACTIVE_COMPARATOR
Intervention: NERVE BLOCK UNDER FLUOROSCOPY GUIDANCE
Description: injection of triamcinolone around the dorsal ramus under fluoroscopy guidance

Intervention type: DIAGNOSTIC_TEST
Group type: ACTIVE_COMPARATOR
Intervention: NERVE BLOCK UNDER FLUOROSCOPY GUIDANCE
Description: injection of triamcinolone around the dorsal ramus under fluoroscopy guidance

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: FACET JOINT UNDER ULTRASOUND GUIDANCE
Description: injection of triamcinolone in the facet joint under ultrasound guidance

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: FACET JOINT UNDER ULTRASOUND GUIDANCE
Description: injection of triamcinolone in the facet joint under ultrasound guidance

Intervention type: DIAGNOSTIC_TEST
Group type: ACTIVE_COMPARATOR
Intervention: FACET JOINT UNDER ULTRASOUND GUIDANCE
Description: injection of triamcinolone in the facet joint under ultrasound guidance

Intervention type: DIAGNOSTIC_TEST
Group type: ACTIVE_COMPARATOR
Intervention: FACET JOINT UNDER ULTRASOUND GUIDANCE
Description: injection of triamcinolone in the facet joint under ultrasound guidance

Intervention type: DIAGNOSTIC_TEST
Group type: ACTIVE_COMPARATOR
Intervention: FACET JOINT UNDER ULTRASOUND GUIDANCE
Description: injection of triamcinolone in the facet joint under ultrasound guidance

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: NERVE BLOCK UNDER ULTRASOUND GUIDANCE
Description: injection of triamcinolone around the dorsal ramus under ultrasound guidance

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: NERVE BLOCK UNDER ULTRASOUND GUIDANCE
Description: injection of triamcinolone around the dorsal ramus under ultrasound guidance

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: NERVE BLOCK UNDER ULTRASOUND GUIDANCE
Description: injection of triamcinolone around the dorsal ramus under ultrasound guidance

Intervention type: DIAGNOSTIC_TEST
Group type: ACTIVE_COMPARATOR
Intervention: NERVE BLOCK UNDER ULTRASOUND GUIDANCE
Description: injection of triamcinolone around the dorsal ramus under ultrasound guidance

Intervention type: DIAGNOSTIC_TEST
Group type: ACTIVE_COMPARATOR
Intervention: NERVE BLOCK UNDER ULTRASOUND GUIDANCE
Description: injection of triamcinolone around the dorsal ramus under ultrasound guidance