A validation study of sedation in cataract surgery using low-concentration nitrous oxide anesthesia A crossover design

A validation study of sedation in cataract surgery using low-concentration nitrous oxide anesthesia A crossover design - A study on the sedative effect in cataract surgery using low-concentration nitrous oxide anesthesia

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000049081

Enrollment

Registered

2022-09-30

Start date

2021-03-05

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

Cataract

Interventions

Type of inhaled gas during surgery for both eyes cataract surgery Low-concentration nitrous oxide anesthesia in the first eye, oxygen only in the second eye Type of inhaled gas during surgery for both

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Cataract patients who underwent consecutive binocular cataract surgeries

Exclusion criteria

Exclusion criteria: Patients with known neurological disorders such as epilepsy, patients taking antipsychotic drugs, patients with previous stroke, patients with implanted cardiac pacemakers, and patients with nasal obstruction disease

Design outcomes

Primary

Measure	Time frame
Bispectral Index	—

Secondary

Measure	Time frame
Heart rate, oxygen saturation, upper extremity systolic and diastolic blood pressure, subjective questionnaire	—

Countries

Japan

Contacts

Public ContactKoutarou Ishigami

Medical corporation Asagiri Hospital Clinical Engineering Technician Office

koutarou19931010@yahoo.co.jp078-912-7575

Outcome results

None listed

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