New application of Pulsed laser-induced liquid jet system for neuroendoscopic intracerebral hematoma evacuation surgery: a clinical investigation.

New application of Pulsed laser-induced liquid jet system for neuroendoscopic intracerebral hematoma evacuation surgery: a clinical investigation. - New application of Pulsed laser-induced liquid jet system for neuroendoscopic intracerebral hematoma evacuation surgery: a clinical investigation.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000021173

Enrollment

Registered

2016-02-24

Start date

2016-03-15

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

Intracerebral hemorrhage

Interventions

ICH surgery with laser-induced liquid jet system

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1.Intracerebral hemorrhage 2.Disturbance Of Consciousness(Jcs=30-200) 3.With neurological deficits(NISS>4) 4.Hematoma volume (Over 31ml on head CT) 5.Within 72 hours after onset 6.Putaminal hemorrhage, Subcortical hemorrhage, cerebellar hemorrhage 7.PT-INR<1.35 in patients with warfarin administration 8.Over 20 years old 9.No limitation in gender 10.Inpatients

Exclusion criteria

Exclusion criteria: 1.Thalamic hemorrhage, brainstem (pons) hemorrhage 2.3DCTA showing one of the followings; cerebral aneurysms, arteriovenous malformations, dural arteriovenous shunts, sinus thrombosis, moyamoya disease 3.The history of head trauma within 6 months 4.The history of craniotomy within 6 months 5.Novel oral anticoagulants (NOAC) user 6.Women in pregnancy, possibly pregnant, breast feeding, within 28 days postpartum. 7.Uncontrolled mental disorder

Design outcomes

Primary

Measure	Time frame
Safety evaluation with intraoperative blood loss, operation duration, extent of hematoma evacuation.	—

Secondary

Measure	Time frame
Outcome evaluation with modified Rankin Scale at 6 months.	—

Countries

Japan

Contacts

Public ContactTomohiro Kawaguchi

Tohoku University Hospital Department of Neurosurgery

kawaguchi@nsg.med.tohoku.ac.jp022-717-7230

Outcome results

None listed

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