- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02453815
Do Arterial Catheters Reduce the Risk of Major Perioperative Complications
Even slight reduction in serious complications related to blood pressure management would easily justify the cost and relatively rare complications consequent to arterial catheter insertion. However, it seems unlikely that major outcomes will be improved by the presumably slight difference in hemodynamic control resulting continuous blood pressure measurement rather than measurements at 2-5-minute intervals. There is considerable variation in practice and no clear consensus whether arterial lines should be placed or not, especially in ASA 2 patients undergoing major non-cardiac surgery or ASA-3 patients undergoing moderate to major non-cardiac surgery. Clearly, if there is no benefit to outcome, arterial lines, which are invasive and costly, should not be placed routinely. The investigators therefore propose to test the primary hypothesis that use of arterial catheters decreases the risk of a collapsed composite of in-hospital mortality, re-admissions, MINS, AKI, stroke, respiratory and wound healing and gastro-intestinal complications after non-cardiac surgery.
Secondarily, the investigators propose to test the hypotheses that arterial catheter use: 1) decreases the duration of hospitalization; 2) increases blood gas, electrolyte, and coagulation testing; 3) increases induction-to-incision time; and, 4) increases cost-of-care (supplies,, blood tests, and induction-to-incision time).
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
This study will be conducted at the Cleveland Clinic Main Campus with IRB approval and written consent from participating patients. The investigators will enroll consented ASA Physical Status 2-4 patients having inpatient non-cardiac surgery in whom a radial arterial catheter might or might not reasonably be used based on co-morbidity or type of surgery. However, it is most likely that the majority of patients will be ASA 3 patients. Currently (based on a recent data pull) approximately 44% of ASA 3 patients receive an arterial catheter for non-cardiac surgery. The investigators expect that this insertion rate will remain constant throughout the study.
Aside from randomized assignment to arterial catheter use, no other aspect of anesthetic or perioperative management will be controlled.
When attending anesthesiologists exclude otherwise qualifying patients from the study, the investigators will ask them to designate which factors influenced their decision. Potential reasons will include: 1) type of procedure; 2) co-morbidities; 3) expected hemodynamic instability or blood loss; 4) patient position; and, 5) need for blood sampling.
Demographic data to be obtained includes height (cm), weight (kg), age (yr.), gender, ASA physical status, and self-declared ethnicity. If available the investigators will collect social history (tobacco and alcohol use), medical history (pulmonary disease, cardiovascular disease, neurologic disease, drug usage (including but not limited to: statins, ß blockers, oral hypoglycemic agents and/or insulin), NSAIDs, diabetes (and whether insulin-dependent or not), and previous glucose-tolerance test results, preoperative hemoglobin and hematocrit, BUN and creatinine, electrolytes, preoperative EKG, and hemoglobin A1c (HbA1c).
Anesthetic data will include volatile anesthetic dose in MAC-hours, as well as total doses of propofol and other sedative hypnotics. Hemodynamic, respiratory parameters, BIS values (if available) and distal esophageal temperature will be recorded at 10 minute intervals intraoperatively. Blood loss will be estimated; urine output and fluid administration including allergenic blood will be recorded. Intraoperative use and total dose of vasoactive drugs as well as antibiotic administration will be recorded. The investigators will also record duration of anesthesia as well as time from induction of anesthesia to surgical incision. Similar data will be recorded for patients who potentially qualify but are excluded from randomization by the attending anesthesiologist.
Serum troponin and creatinine will be determined on postoperative days 1, 2 and 3 while in hospital. Blood will be drawn in conjunction with routine laboratory tests. The surgical team will be notified when troponin values ≥0.03 ng/ml are identified.
All other study data will be obtained from the medical record, including patient characteristics, type of surgery, perioperative blood transfusions, mean-arterial pressure, vasopressor use, number of blood gas and coagulation tests, and duration of hospitalization, postoperative complications as well as readmissions.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Ohio
-
Cleveland, Ohio, United States, 44109
- Cleveland Clinic
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- ASA Physical Status 2-4 patients
- inpatient non-cardiac surgery
- radial arterial catheter might or might not reasonably be used based on co-morbidity or type of surgery.
Exclusion Criteria:
- the attending anesthesiologist requires or refuses an arterial catheter
- already have an arterial catheter
- catheter is contraindicated
- end-stage renal disease
- abnormal Allen's test
- known radial arterial pathology
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: arterial catheter
If a patient is randomized by the web-based system before non-cardiac surgery to receive an arterial catheter at surgery, then the subject will be placed in the experimental arm of the study.
|
all surgical procedures except cardiac
arterial catheter
|
Placebo Comparator: no arterial catheter
If a patient is randomized by the web-based system before non-cardiac surgery to not receive an arterial catheter at the time of surgery, then the subject will be placed in the placebo comparator arm of the study.
|
all surgical procedures except cardiac
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of post operative complications
Time Frame: 30 days
|
Medical record will be reviewed for number of post operative complications
|
30 days
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Andrea Kurz, M.D., The Cleveland Clinic
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
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
- 15-008
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.
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