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Pulse CO-Oximetry (Masimo Corp, Irvine, CA, USA) is a method that allows non-invasive continuous hemoglobin (Hb) measurement. This technology measures continuous Hb with a multi-wavelength spectrophotometric fingertip sensor.
Aim of investigators in this study is to make continuous Hb measurement with Pulse CO-Oximetry method in living liver donors, to compare these measurements with the laboratory results routinely taken during the operation, to determine the level of correlation for this patient group.
Continuous Hb measurement with Pulse CO-Oximetry (SpHb) can be usefull for living liver donor and improve the quality of intraoperative care. This technology measures continuous Hb with a multi-wavelength spectrophotometric fingertip sensor.
The perfusion index (PI) is the ratio of the pulsatile blood flow to the nonpulsatile or static blood in peripheral tissue. Perfusion Index thus represents a noninvasive measure of peripheral perfusion that can be continuously and noninvasively obtained from a pulse oximeter. Changes in PI can also occur as a result of local vasoconstriction (decrease in PI) or vasodilatation (increase in PI) in the skin at the monitoring site. These changes occur with changes in the volumeof oxygenated bloodflow in the skin microvasculature. PI values can change due to surgical process and may affect SpHb measurement.
Aim of investigators in this study is to make continuous Hb measurement with Pulse CO-Oximetry method in living liver donors before and after surgery incision, to compare these measurements with the laboratory results routinely taken during the operation, to determine the level of correlation for this patient group.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Group1 | Living liver donors who operated between 1 August and 15 november: After anesthesia induction and surgical field sterilization, before surgical incision; blood sample will be taken, SpHb, PI and vital measurements (SpO2, Heart rate, NIBP, body temperature) will be recorded. After the surgical procedure is over and before the patient is awakened from anesthesia; blood sample will be taken, SpHb, PI and vital measurements (SpO2, Heart rate, NIBP, body temperature) will be recorded. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Masimo Model RDS7A | Device | Masimo monitoring platform equipped with Radical-7 Pulse CO-Oximeter fingertip probe for measurement non-invazive hemoglobin level (SpHb) an perfusion index (PI) |
| Measure | Description | Time Frame |
|---|---|---|
| CHb | Correlation between non-invazive Hb measurement (measured by the masimo monitoring platform) and laboratuar Hb level. | Up to 14 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| CPIS | Correlation between Perfusion index (measured by the masimo monitoring platform) and surgery | Up to 14 weeks |
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Inclusion Criteria:
Exclusion Criteria:
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According to ASA physical status classification system ASA 1-2 cases scheduled for hepatectomy for liver transplantation
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Inonu Univercity | Malatya | 44280 | Turkey (Türkiye) |
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