Efficacy of anterior interosseous nerve block as postoperative analgesia for distal radius fractures (a pilot study)

Efficacy of anterior interosseous nerve block as postoperative analgesia for distal radius fractures (a pilot study) - Efficacy of anterior interosseous nerve block as postoperative analgesia for distal radius fractures (a pilot study)

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000037877

Enrollment

Registered

2019-09-01

Start date

2019-09-01

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

Fracture of the distal radius

Interventions

anterior interosseous nerve block at the end of surgery (0.75% ropivacaine 10ml) anterior interosseous nerve block at the end of surgery (normal saline 10ml)

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients undergoing surgery for distal radius fractures under open anesthesia (open reduction with palmar locking plate) with written consent at Bell Land General Hospital

Exclusion criteria

Exclusion criteria: Patients who have not consented to this clinical study, patients under 18 years of age, patients with hypersensitivity or severe adverse events to ropivacaine, patients who are judged inappropriate for inclusion

Design outcomes

Primary

Measure	Time frame
Time from brachial plexus block to first analgesic use	—

Secondary

Measure	Time frame
Time from brachial plexus block to first pain Motor paralysis recovery time Maximum postoperative pain score (visual analog scale) Patient age, height, weight, gender Surgery time Frequency of postoperative nausea and vomiting Frequency of postoperative analgesics Satisfaction with postoperative pain relief Presence/absence of complications associated with the block (vascular puncture, hematoma, nerve damage, etc.)	—

Measure

Time frame

Time from brachial plexus block to first pain Motor paralysis recovery time Maximum postoperative pain score (visual analog scale) Patient age, height, weight, gender Surgery time Frequency of postoperative nausea and vomiting Frequency of postoperative analgesics Satisfaction with postoperative pain relief Presence/absence of complications associated with the block (vascular puncture, hematoma, nerve damage, etc.)

—

Countries

Japan

Contacts

Public ContactToshinori Horiuchi

Bell Land General Hospital Department of Anesthesia

t_horiuchi@seichokai.or.jp0722342001

Outcome results

None listed

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