Perioperative whole blood viscosity changes in non-cardiac surgery patients

Perioperative whole blood viscosity changes in non-cardiac surgery patients: an exploratory prospective study - Perioperative whole blood viscosity changes in non-cardiac surgery patients

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000053878

Enrollment

Registered

2024-03-18

Start date

2024-03-18

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

non cardiac surgery patients

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Patients who are 18 years of age or older. 2) Patients who have received a thorough explanation of the study and have given written consent.

Exclusion criteria

Exclusion criteria: A participant who is one of the following 1) Patients who have expressed their refusal to participate in this study. 2) Patients with abnormal protein elevation (primary macroglobulinemia, multiple myeloma, etc.) 3) Patients who may have hyperglobulinemia (e.g., collagen disease, liver cirrhosis, chronic infectious disease, etc.) 4) Patients with diseases that cause impaired red blood cell deformability, etc. 5) Other subjects judged to be unsuitable by the principal investigator.

Design outcomes

Primary

Measure	Time frame
Blood viscosity change from the initiation of surgery to the end of surgery	—

Secondary

Measure	Time frame
Intraoperative factors associated with changes in blood viscosity	—

Countries

Japan

Contacts

Public ContactKyongsuk Son

Chiba-University Hospital Department of Anesthesiology

kyong0203suk@yahoo.co.jp0432227171

Outcome results