- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01996813
Compression Stocking Use in Shoulder Arthroscopy in Beach Chair
The Effect of Compression Stockings on Cerebral Desaturation Events in Obese Patients Undergoing Shoulder Arthroscopy in the Beach Chair Position
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
There have been numerous studies recently in the orthopaedic surgery and anesthesia literature related to both complications associated with arthroscopy in the BCP and ongoing efforts to improve patient safety. Advantages of this position when compared with the lateral decubitus position include easier anatomic orientation, lack of traction on the brachial plexus, ease of exam under anesthesia, and easier conversion to an open approach if needed. While extremely uncommon, complications such as ischemic brain and spinal cord injury as well as visual loss and ophthalmoplegia have been reported. A recent study reported that obesity increases the likelihood of having a CDE by as many as 12 times. CDEs were defined as intra-operative decreases in regional cerebral tissue oxygen saturation (rSO2) of 20% or greater from baseline as measured by near-infrared spectroscopy (NIRS). Since obesity is so common, it was decided to investigate a measure to potentially help decrease CDEs in this population.
The exact etiology of CDEs has not been definitively demonstrated and it is felt to be multifactorial. The sympathetic nervous system normally increases systemic vascular resistance and heart rate to maintain mean arterial blood pressure (MAP) when a person sits up or stands upright. This response is blunted by the vasodilatory effects of intravenous and inhaled anesthetics used in patients undergoing shoulder arthroscopy in the BCP. The result is decreased MAP and cerebral perfusion pressure that can contribute to hypoxic brain injury. The use of sequential compression devices placed on the legs of patients undergoing shoulder arthroscopy in the BCP has been shown to reduce the incidence of hypotension by increasing cardiac preload. This study excluded obese patients (BMI > 30) and did not directly monitor rSO2, but rather only monitored hemodynamic variables.
Compression stockings are often used in patients with venous insufficiency to help with pain and to control edema. The stockings compress the soft tissues and veins, and in conjunction with sequential compression devices (SCDs), may help to increase preload in an anesthetized patient in the BCP. To our knowledge, the effect of compression stockings on cerebral perfusion has not been studied. This study aims to determine if the use of compression stockings in obese patients undergoing shoulder arthroscopy in the BCP can decrease the incidence, frequency or magnitude of CDEs as measured by NIRS. We hypothesize that the use of compression stockings will result in decreased incidence and frequency of CDEs in our population.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
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Illinois
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Maywood, Illinois, United States, 60153
- Loyola University Medical Center
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Age 18 years or older
- BMI greater than or equal to 30 kg/m^2
- Capable of receiving an interscalene nerve block.
Exclusion Criteria:
- Age < 18
- History of carotid artery stenosis equal to or greater than 90%
- History of stroke
- History of transient ischemic attack
- History of syncope
- History of vision loss
Study Plan
How is the study designed?
Design Details
- Primary Purpose: PREVENTION
- Allocation: NON_RANDOMIZED
- Interventional Model: SINGLE_GROUP
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
EXPERIMENTAL: Prospective Case
Patients with a BMI of 30 kg/m^2 or greater who underwent shoulder arthroscopy in the beach chair position and were monitored intraoperatively using near-infrared spectroscopy while wearing thigh-high compression stockings.
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The intervention in this study are thigh-high compression stockings manufactured by Covidien.
Other Names:
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NO_INTERVENTION: Historical Control
Patients with a BMI of 30 kg/m^2 or greater who underwent elective shoulder arthroscopy in the beach-chair position and were monitored intraoperatively using near-infrared spectroscopy but without wearing compression stockings.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Cerebral Desaturation Event
Time Frame: Assessed intraoperatively, an average of 114 minutes
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The prevalence of a cerebral desaturation event is compared between prospective patients who underwent shoulder arthroscopy in the beach chair position while wearing thigh-high compression stockings versus historical control patients who underwent shoulder arthroscopy in the beach chair position and did not wear thigh-high compression stockings.
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Assessed intraoperatively, an average of 114 minutes
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Operation Time
Time Frame: End of surgery
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The length of operation time (in minutes) is compared between prospective patients who underwent shoulder arthroscopy in the beach chair position while wearing thigh-high compression stockings versus historical control patients who underwent shoulder arthroscopy in the beach chair position and did not wear thigh-high compression stockings.
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End of surgery
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Douglas Evans, MD, Loyola University
Publications and helpful links
General Publications
- Murphy GS, Szokol JW, Marymont JH, Greenberg SB, Avram MJ, Vender JS, Vaughn J, Nisman M. Cerebral oxygen desaturation events assessed by near-infrared spectroscopy during shoulder arthroscopy in the beach chair and lateral decubitus positions. Anesth Analg. 2010 Aug;111(2):496-505. doi: 10.1213/ANE.0b013e3181e33bd9. Epub 2010 May 27.
- Pohl A, Cullen DJ. Cerebral ischemia during shoulder surgery in the upright position: a case series. J Clin Anesth. 2005 Sep;17(6):463-9. doi: 10.1016/j.jclinane.2004.09.012.
- Bhatti MT, Enneking FK. Visual loss and ophthalmoplegia after shoulder surgery. Anesth Analg. 2003 Mar;96(3):899-902. doi: 10.1213/01.ANE.0000047272.31849.F9.
- Papadonikolakis A, Wiesler ER, Olympio MA, Poehling GG. Avoiding catastrophic complications of stroke and death related to shoulder surgery in the sitting position. Arthroscopy. 2008 Apr;24(4):481-2. doi: 10.1016/j.arthro.2008.02.005.
- Fischer GW, Torrillo TM, Weiner MM, Rosenblatt MA. The use of cerebral oximetry as a monitor of the adequacy of cerebral perfusion in a patient undergoing shoulder surgery in the beach chair position. Pain Pract. 2009 Jul-Aug;9(4):304-7. doi: 10.1111/j.1533-2500.2009.00282.x. Epub 2009 Mar 17.
- Peruto CM, Ciccotti MG, Cohen SB. Shoulder arthroscopy positioning: lateral decubitus versus beach chair. Arthroscopy. 2009 Aug;25(8):891-6. doi: 10.1016/j.arthro.2008.10.003. Epub 2008 Nov 28.
- Salazar D, Sears BW, Aghdasi B, Only A, Francois A, Tonino P, Marra G. Cerebral desaturation events during shoulder arthroscopy in the beach chair position: patient risk factors and neurocognitive effects. J Shoulder Elbow Surg. 2013 Sep;22(9):1228-35. doi: 10.1016/j.jse.2012.12.036. Epub 2013 Feb 15.
- Smith JJ, Porth CM, Erickson M. Hemodynamic response to the upright posture. J Clin Pharmacol. 1994 May;34(5):375-86. doi: 10.1002/j.1552-4604.1994.tb04977.x.
- Kwak HJ, Lee JS, Lee DC, Kim HS, Kim JY. The effect of a sequential compression device on hemodynamics in arthroscopic shoulder surgery using beach-chair position. Arthroscopy. 2010 Jun;26(6):729-33. doi: 10.1016/j.arthro.2009.10.001. Epub 2010 Mar 3.
- Hamdan A. Management of varicose veins and venous insufficiency. JAMA. 2012 Dec 26;308(24):2612-21. doi: 10.1001/jama.2012.111352.
- Pollard V, Prough DS, DeMelo AE, Deyo DJ, Uchida T, Stoddart HF. Validation in volunteers of a near-infrared spectroscope for monitoring brain oxygenation in vivo. Anesth Analg. 1996 Feb;82(2):269-77. doi: 10.1097/00000539-199602000-00010.
- Tauchen AJ, Salazar D, Barton GJ, Francois A, Tonino P, Garbis NG, Evans D. The Effect of Compression Stockings on Cerebral Desaturation Events in Obese Patients Undergoing Shoulder Arthroscopy in the Beach-Chair Position. Arthroscopy. 2015 Dec;31(12):2352-64. doi: 10.1016/j.arthro.2015.06.017. Epub 2015 Aug 3.
Study record dates
Study Major Dates
Study Start (ACTUAL)
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
- 205159
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.
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