---
title: Continuous Hemoglobin Evaluation
nct_id: NCT01811342
overall_status: COMPLETED
sponsor: University of California, Davis
study_type: OBSERVATIONAL
primary_condition: Anemia
countries: United States
canonical_url: "https://parkinsonspathways.com/agent/trials/NCT01811342.md"
clinicaltrials_gov: "https://clinicaltrials.gov/study/NCT01811342"
ct_last_update_post_date: 2018-02-27
last_seen_at: "2026-05-12T06:17:40.085Z"
source: ClinicalTrials.gov (mirrored, no enrichment)
---
# Continuous Hemoglobin Evaluation

**Official Title:** Evaluation of the Masimo Continuous Hemoglobin Monitor With Polar Plot Methodology

**NCT ID:** [NCT01811342](https://clinicaltrials.gov/study/NCT01811342)

## Key Facts

- **Status:** COMPLETED
- **Study Type:** OBSERVATIONAL
- **Target Enrollment:** 70
- **Lead Sponsor:** University of California, Davis
- **Conditions:** Anemia
- **Start Date:** 2012-11
- **Completion Date:** 2015-09
- **CT.gov Last Update:** 2018-02-27

## Brief Summary

Evaluate potential sources of error that affect the accuracy of continuous hemoglobin monitoring.

## Eligibility

- **Minimum age:** 18 Years
- **Sex:** ALL
- **Healthy Volunteers:** No

```
Inclusion Criteria:

* Patients undergoing elective surgery.

Exclusion Criteria:

* 0
```

## Arms

- **Hemoglobin Measurement** — Patients requiring intra-operative hemoglobin measurement.

## Primary Outcomes

- **Evaluation of the Masimo Continuous Hemoglobin Monitor with Polar Plot Methodology** _(time frame: One year)_ — Determine the influence of initial calibration and intraoperative oxygenation variables on the correlation between SpHgb and clinical values

## Locations (1)

- UC Davis Medical Center, Sacramento, California, United States

## Recent Field Changes (last 30 days)

- `status.overallStatus` — added _(2026-05-12)_
- `status.primaryCompletionDate` — added _(2026-05-12)_
- `status.completionDate` — added _(2026-05-12)_
- `status.lastUpdatePostDate` — added _(2026-05-12)_
- `design.enrollmentCount` — added _(2026-05-12)_
- `eligibility.criteria` — added _(2026-05-12)_
- `eligibility.minAge` — added _(2026-05-12)_
- `eligibility.sex` — added _(2026-05-12)_
- `outcomes.primary` — added _(2026-05-12)_
- `armsInterventions.arms` — added _(2026-05-12)_
- `sponsor.lead` — added _(2026-05-12)_
- `results.hasResults` — added _(2026-05-12)_
- `locations.uc davis medical center|sacramento|california|united states` — added _(2026-05-12)_

---

*Canonical: https://parkinsonspathways.com/agent/trials/NCT01811342.md*  
*Source data (authoritative): https://clinicaltrials.gov/study/NCT01811342*  
*This page is a raw mirror with no AI summary, no editorial enrichment, and no Parkinson's-specific filtering.*