Non-Invasive Measurement of Hemoglobin (Using Pulse Co-Oximetry) in Patients Undergoing Elective Cesarean Delivery

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

50 participants

Study Classification

OBSERVATIONAL

Study Start Date

2010-04-30

Study Completion Date

2011-03-31

Brief Summary

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We aim to assess a new pulse oximeter which measures continuous hemoglobin concentration (SpHb) in healthy patients undergoing elective Cesarean delivery (CS). This patient population often experiences significant blood loss during surgery, and measurements of surgical blood loss are often inaccurate. We will compare measurements of SpHb with estimated blood loss during the perioperative period, and laboratory measurements of hemoglobin at set time intervals during the perioperative and postoperative periods (to evaluate the accuracy of this device's ability to measure continuous SpHb).

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Detailed Description

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We hope that this pulse oximeter will provide important new information (SpHb) about hemoglobin measurement in patients undergoing elective CS, who may often experience significant blood loss and postpartum anemia in the perioperative period. The measurement of perioperative blood loss is often inaccurate, and formal measurements of hemoglobin levels are often associated with time delays, especially in the setting of ongoing acute blood loss. We hope that this device will provide accurate continuous data of hemoglobin in this patient population, which may prove to be a significant advance in patient monitoring in this patient population. Probes for SpHb measurement will be provided by Masimo Corporation.

Conditions

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Postpartum Hemorrhage

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

1. Healthy term (\> 37 weeks gestation)
2. ASA 1 and 2 pregnant patients undergoing elective uncomplicated Cesarean delivery under neuraxial anesthesia
3. Age 18-40 yrs

Exclusion Criteria

1. Patients with abnormal Hemoglobin disorders.
2. Patients with hyperbilirubinemia.
3. Patients who are smokers.
4. Patients with peripheral vascular disease or conditions affecting vascularity of the digits.

Eligible Sex

FEMALE

Accepts Healthy Volunteers

Yes