Establishment of autonomic function reflecting surgical invasiveness induced by tonsillectomy

Establishment of autonomic function reflecting surgical invasiveness induced by tonsillectomy - Establishment of autonomic function reflecting surgical invasiveness induced by tonsillectomy

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000035964

Enrollment

100

Registered

2019-02-21

Start date

2018-08-01

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

Patients underwent bilateral tonsillectomy

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients underwent bilateral tonsillectomy

Exclusion criteria

Exclusion criteria: 1) Patients required post surgical hemostasis for severe bleeding 2) Patients with severe central neural disorders and cardiac disorders. 3) Patients whom doctors judge as an inappropriate.

Design outcomes

Primary

Measure	Time frame
Parameters of Pupil light reflex (PLR) and Heart rate variability (HRV) at two times before tonsillectomy and POD1, 2 and 2-4 weeks. Pupil: initial diameter, minimum diameter, latency, max constriction velocity, averaged constriction velocity, constriction ratio, averaged dilation velocity, 4 different stimulus intensity (10,50,121,180) HRV: LF norm, HF norm, LF/HF	—

Countries

Japan

Contacts

Public ContactMASAAKI ISHIKAWA

Hyogo Prefectural Amagasaki General Medical Center Department of otolaryngology and head and neck

aimaruko@gmail.com06-6480-7000

Outcome results