Evaluation of the effectiveness of saline injection at the P6 acupoint for reducing nausea and vomiting after cataract surgery.

Acupoint P6 Stimulation Using Saline Injection for Postoperative Nausea and Vomiting After Cataract Surgery: A Randomized Controlled Study

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20120910010800N16

Enrollment

500

Registered

2025-08-25

Start date

2025-09-25

Completion date

Unknown

Last updated

2025-09-15

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

Conditions

Postoperative Nausea and Vomiting. Nausea and vomiting

Interventions

Intervention 1: Intervention group: Patients receive a 2 ml normal saline injection at the P6 acupoint on the right hand, administered by an anesthesia technician not involved in study design. The inj

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: Patients over 18 years old ASA physical status I or II Scheduled for cataract surgery under general anesthesia

Exclusion criteria

Exclusion criteria: Use of antiemetics or analgesics 24 hours prior to surgery No consent to participate in this research Pregnant or breastfeeding women Women in their menstrual period Any lesion at the P6 site History of mental disorders

Design outcomes

Primary

Measure	Time frame
Incidence of nausea and vomiting. Timepoint: 2, 4, 8, and 12 hours after surgery. Method of measurement: observation.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactDariush Abtahi

Shahid Beheshti University of Medical Sciences

d.abtahi@sbmu.ac.ir+98 21 2263 2611

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026