- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04506957
Non-invasive Continuous Total Hemoglobin Measurement by Pulse CO-Oximetry (SpHb)
Non-invasive Continuous Total Hemoglobin Measurement by Pulse CO-Oximetry in Major Spine Surgery
Study Overview
Status
Intervention / Treatment
Detailed Description
The objective of this investigation is the comparison of CoOxHb, HCT and SaO2 values of a blood gas analyzer (ABL 825, Radiometer Medical A/S) with simultaneously measured SpHb values of the Radical 7 device during the procedure of major spine surgery.
The primary endpoint of the study is the reliability of SpHb to detect CoOxHb and its changes during the process Secondary endpoint is the reliability of RadSpO2, RadPR, SpHCT and SpMET to detect SaO2, PR, HCT and MetHb and its changes during the process.
Inclusion criteria:
- Patients scheduled for major spine surger
- Age 18 years and older
- Written consent of the participation after clarification about the study
Exclusion criteria:
- No consent to participate
- No German comprehension
- Black skin patients
- Patients with COVID-19 illness All patients were monitored based on the institutional routine monitoring for major spine surgery (continuous 2-channel electrocardiogram, a continuous invasive arterial blood pressure monitoring via fluid-filled cather system, inserted in the radial artery mainly of the non-dominant hand, SpO2, and in the case of high-risk patient a triple-lumen central venous line). Then a single use finger sensor (MasimoSet RD rainbow SET SpHb SpMet-Sensor) is attahed to the ring finger of the hand, where the catheter is introduced in the radial artery.
During the surgery routinely, arterial blood samples are drawn before induction of Anaesthesia, every 45 min and after acute blood loss during surgery. With each blood sample for a blood gas analysis the SpHb, SpMet, PI, PVI and the low SQI are recorded.
No additional blood sampling is necessary to perfom this investigation
50 patients will be included and the duration of the study is 24 month's Sample size calculation was performed with the StatsDirect Statistical Software Version 2.8.0 2013 (StatsDirect Ltd, Altrincham, UK) and revealed a sample size of 95 paired SpHb and CoOxHb measurements to achieve a power of 0.9, α = 0.05 to detect a mean difference (bias) of CoOxHb and SpHb of 0.50 g/dl with an estimated standard deviation (SD) of 1.0g/dl. The mean difference is determined based on previous investigations. Continuous variables are tested for normal distribution with the Kolmogorov-Smirnow test. Normally distributed data are expressed as mean ± standard deviation (SD); median, interquartile range (IQR ; 25th to 75th percentile) and [maximum] are specified when the data were not normally distributed. Categorical variables are presented as number and percentage (%). For subgroup analysis continuous variables are compared using the t-test or Mann-Whitney U test, when appropriate. All tests are two-sided and a P-value < 0.05 was determined to be significant.
For all determinants that might have an impact on the fault detection of the SpHb stepwise multiple regressions analysis was performed. Correlation is evaluated by Spearman rank test. To determine agreement of the methods, the Bland Altman analysis for repeated measurements is performed for SpHb and CoOcHb.
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Contact
- Name: Werner Baulig, MD
- Phone Number: +41442092875
- Email: werner.baulig@hirslanden.ch
Study Contact Backup
- Name: Kan Min, MD
- Phone Number: +41442092111
- Email: kan.min@hirslanden.ch
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- Patients scheduled for major spine surgery
- Written consent of the participation after clarification about the study
Exclusion Criteria:
- No consent to participate
- No German comprehension
- Black skin patients
- Patients with COVID-19 illness
Study Plan
How is the study designed?
Design Details
- Observational Models: Case-Only
- Time Perspectives: Prospective
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Reliability of SpHb to detect CoOxHb and its changes
Time Frame: 24 months
|
Co-oximetry hemoglobin values from blood gas analyzer is simultaneous compared with the transcutaneous detected SpHb (Pulse CO-Oximetry hemoglobin measurement).
Linear correlation and Bland Altman Analysis are performed for analysis these data pairs
|
24 months
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Werner Baulig, MD, Klinik im Park
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Anticipated)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- Pulse-CO Oximetry Hemoglobin
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
Clinical Trials on Transcutaneous Continuous Hemoglobin Measurement
-
Seoul National University HospitalCompletedContinuous Hemoglobin MeasurementKorea, Republic of
-
Karabuk UniversityCompletedHemoglobin Level Measurement | Hemoglobin Level EstimationTurkey
-
GlySureCompleted
-
Northwestern UniversityCompletedPostpartum Hemorrhage | Postsurgical Bleeding | Abdominal Ultrasound | FAST Scan | Non-invasive Hemoglobin MeasurementUnited States
-
University Hospital, MontpellierRecruitingAcute Coronary Syndrome | Glycemic Variability | Cardiovascular Event | Continuous Glucose MeasurementFrance
Clinical Trials on Pulse CO-Oximetry Hemoglobin measurement transcutaneous
-
Medline IndustriesClinimark, LLCCompletedHealthy | Arterial Oxygen SaturationUnited States
-
Medline IndustriesClinimark, LLCTerminated
-
University Hospital, MontpellierFrench Society of Emergency MedicineUnknownCarbon Monoxide PoisoningFrance
-
University Hospital, ToursCompletedCarbon Monoxide PoisoningFrance
-
Chris Hani Baragwanath Academic HospitalMasimo CorporationCompletedCritically Ill Black PatientsSouth Africa
-
Pediatric Clinical Research PlatformUniversity Hospital, GenevaNot yet recruitingPneumonia | Asthma | Respiratory Diseases | Cyanotic Heart DiseaseSwitzerland
-
Onze Lieve Vrouw HospitalMerck Sharp & Dohme LLCCompletedPostoperative Hypoxemia | Postoperative Residual Curarisation | Postoperative Airway ObstructionBelgium
-
University of California, DavisRecruitingSurgery | HemoglobinUnited States
-
Brno University HospitalMasaryk UniversityNot yet recruitingOxygen Saturation MeasurementCzechia
-
Central Hospital, Nancy, FranceNot yet recruiting