Blood drawing methods for Preservation of Platelet Function in ANH: a pilot study

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-jRCT1022230028

Enrollment

Registered

2023-10-31

Start date

2023-10-31

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

gynecological cancer

Interventions

Arterial blood arm: Patients are mechanically ventilated at the fraction of inspired oxygen (FIO2) 1.0 and end-tidal CO2 concentrations of 40mm Hg during a blood draw. Venous blood arm: Patients are

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: Adults gynecological surgery patients in Hirosaki University Hospital. Each arm has 5 patients.

Exclusion criteria

Exclusion criteria: 1)Patients who had antiplatelet drugs or anticoagulant 2 weeks before surgery 2)Patients who were suspected coagulopathy or abnormality of platelet function 3)Patients who do not have informed consents in Japanese

Design outcomes

Primary

Measure	Time frame
Measurement items by thromboelastogram (TEG6s system) in ANH blood	—

Secondary

Measure	Time frame
1)Characteristics of the patient: age, height, body weight 2)ASA physical status before surgery, past medical history, medicine taken internally 3)Operative time, anesthesia time, time to retransfusion from drawing blood 4)Amount of bleeding during surgery, infusion volume, amount of blood transfusion 5)The temperature during storage at room air 6)Vital signs in the perioperative period 7)Blood biochemical paramaters in th perioperative period	—

Measure

Time frame

1)Characteristics of the patient: age, height, body weight 2)ASA physical status before surgery, past medical history, medicine taken internally 3)Operative time, anesthesia time, time to retransfusion from drawing blood 4)Amount of bleeding during surgery, infusion volume, amount of blood transfusion 5)The temperature during storage at room air 6)Vital signs in the perioperative period 7)Blood biochemical paramaters in th perioperative period

—

Contacts

Public ContactShino Ichikawa

Hirosaki University Hospital

shinooooo.119@hotmail.co.jp+81-8060163377

Outcome results

None listed

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