Examination of association between twitch, imaging view and the effect in lumbar nerve root block with pulsed radiofrequency

Examination of association between twitch, imaging view and the effect in lumbar nerve root block with pulsed radiofrequency - Examination of association between twitch, imaging view and the effect in lumbar nerve root block with pulsed radiofrequency

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000015119

Enrollment

700

Registered

2014-09-15

Start date

2011-02-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

low back and lower extremity pain

Interventions

lumbar nerve root block with pulsed radiofrequency

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: patients with low back pain with or without lower extremity pain Age: 20 years or older Patients capable of proper assessment Moderately troublesome pain

Exclusion criteria

Exclusion criteria: cauda equina syndrome allergy to local anaesthetics and/or steroids Serious chronic diseases such as inflammatory disease, blood coagulation disorder, severe diabetes, psychiatric disease, malignant disease, cardiac failure, skin troubles of puncture site communication difficulty

Design outcomes

Primary

Measure	Time frame
Twitch incidence by contrast imaging views in lumbar nerve root block with pulsed radiofrequency	—

Secondary

Measure	Time frame
pain decreasing degree by the presence or absence of twitch	—

Countries

Japan

Contacts

Public ContactSatoko Chiba

Sendai Pain Clinic Center Anesthesiology

sato33150@ktj.biglobe.ne.jp022-236-1310

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026