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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03816514
Other study ID # H-1811-039-986
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date March 4, 2019
Est. completion date November 6, 2020

Study information

Verified date December 2020
Source Seoul National University Hospital
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The primary aim of this study is to evaluate whether pulse oximetry based noninvasive hemoglobin (SpHb) monitoring can reduce the incidence of hemoglobin (Hb) level out of the target range in adult patients undergoing major surgery with the potential risk of bleeding.


Recruitment information / eligibility

Status Completed
Enrollment 130
Est. completion date November 6, 2020
Est. primary completion date November 2, 2020
Accepts healthy volunteers No
Gender All
Age group 19 Years and older
Eligibility Inclusion Criteria: - Adult patients with ASA physical status class I, II, III, who scheduled to undergo elective non-cardiac major surgery with more than moderate risk of bleeding under general anesthesia or spinal anesthesia. - Eligible Surgery include: Spine surgery, bone tumor surgery, Total Hip Replacement, ovarian cancer surgery, cervical cancer surgery, radical cystectomy, open retroperitoneal mass excision, Radical Retropubic Prostatectomy, explorative laparotomy for abdominal mass excision, abdominal aortic aneurysm repair - Patients who are requiring an arterial catheter as a part of their standard care. Exclusion Criteria: - Patients with preexisting deformity or skin condition that would impede sensor placement - Patients with allergies to the adhesive sensor material - Patients with uncorrected preoperative anemia (preoperative hemoglobin < 7 g/dL) - Patients who were not suitable for participation in the opinion of the study investigator.

Study Design


Related Conditions & MeSH terms


Intervention

Procedure:
SpHb monitoring
Noninvasive, continuous pulse oximetry-based hemoglobin (SpHb) monitoring
Conventional management
Conventional management without SpHb monitoring

Locations

Country Name City State
Korea, Republic of Seoul national university hospital Seoul

Sponsors (1)

Lead Sponsor Collaborator
Seoul National University Hospital

Country where clinical trial is conducted

Korea, Republic of, 

References & Publications (3)

Berkow L, Rotolo S, Mirski E. Continuous noninvasive hemoglobin monitoring during complex spine surgery. Anesth Analg. 2011 Dec;113(6):1396-402. doi: 10.1213/ANE.0b013e318230b425. Epub 2011 Sep 29. — View Citation

Causey MW, Miller S, Foster A, Beekley A, Zenger D, Martin M. Validation of noninvasive hemoglobin measurements using the Masimo Radical-7 SpHb Station. Am J Surg. 2011 May;201(5):592-8. doi: 10.1016/j.amjsurg.2011.01.020. — View Citation

Galvagno SM Jr, Hu P, Yang S, Gao C, Hanna D, Shackelford S, Mackenzie C. Accuracy of continuous noninvasive hemoglobin monitoring for the prediction of blood transfusions in trauma patients. J Clin Monit Comput. 2015 Dec;29(6):815-21. doi: 10.1007/s10877-015-9671-1. Epub 2015 Mar 10. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary The incidence of deviation from the target hemoglobin range (The number of laboratory samples with the result hemoglobin concentrations were out of the target range)/(Total number of laboratory samples that performed during intra-operative periods) Until transfer to PACU (Post-Anesthesia Care Unit), from the beginning of the induction of anesthesia
Secondary The percentage extent of deviation from the target hemoglobin range The percentage extent of deviation of laboratory hemoglobin out of the prespecified target range Until transfer to PACU (Post-Anesthesia Care Unit), from the beginning of the induction of anesthesia
Secondary Number of Point-of-care (POC) sampling during surgery Number of Point-of-care (POC) sampling for measurement of hemoglobin concentration. In SpHb group, POC sampling will be done according to SpHb level. In control group, POC sampling will be done at discretion of anesthesiologist. Until transfer to PACU (Post-Anesthesia Care Unit), from the beginning of the induction of anesthesia
Secondary Accuracy of the SpHb value Standard Laboratory hemoglobin measurement will be used as reference. Laboratory measurements will be done every 30 minute during surgery Until transfer to PACU (Post-Anesthesia Care Unit), from the beginning of the induction of anesthesia
Secondary Number of patients who receive intra-operative transfusion Number of patients who were transfused with pRBCs intraoperatively Until transfer to PACU (Post-Anesthesia Care Unit), from the beginning of the induction of anesthesia
Secondary Total volume of intravenous fluids given Total volume of intravenous fluids given intra-operatively Until transfer to PACU (Post-Anesthesia Care Unit), from the beginning of the induction of anesthesia
Secondary Total volume of pRBCs transfused Total volume of pRBCs transfused intra-operatively Until transfer to PACU (Post-Anesthesia Care Unit), from the beginning of the induction of anesthesia
Secondary Time for transfusion delay Time from the determination of transfusion to actual transfusion, in minutes Until transfer to PACU (Post-Anesthesia Care Unit), from the beginning of the induction of anesthesia
Secondary Incidence of intraoperative hypotension hypotension is defined as SBP < 80% of baseline SBP Until transfer to PACU (Post-Anesthesia Care Unit), from the beginning of the induction of anesthesia
Secondary laboratory total hemoglobin value, at postoperative day 1 total hemoglobin value measured by standard laboratory method at postoperative day 1
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