Warmed Humidified Carbon Dioxide (CO2) for Open Surgery
NCT ID: NCT00801424
Last Updated: 2010-10-04
Study Results
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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COMPLETED
NA
80 participants
INTERVENTIONAL
2008-11-30
2010-09-30
Brief Summary
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1. standard warming measures including heating sheets, warming of fluids, and insulation of limbs and head, or to
2. additional insufflation of humidified carbon dioxide (approx. 36-37ºC, approx. 80-100% relative humidity) via a humidifier with a heated tube (Fisher\&Paykel) connected to a gas diffuser (Cardia Innovation AB) that is able to create a local atmosphere of 100% carbon dioxide (humidified ) in the open wound cavity.
PRIMARY AIM The primary aim of this study is to evaluate if humidified carbon dioxide insufflated into an open surgical wound can be used to warm the core, the open wound cavity, and the wound edges during major abdominal surgery.
SECONDARY AIMS Secondary aims are to evaluate possible differences between the groups regarding complications and clinical differences including histological signs of desiccation injury of peritoneal samples, time to extubation, core temperature after surgery, ICU stay, bleeding volume, hospital stay, postoperative pain, infections, shivering, postoperative signs of restored bowel function including bowel movements, flatus, and first meal.
Detailed Description
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Wound temperatures will be measured every 10 minutes with an infra-red camera positioned approximately 1m above the wound with a camera support. Wound areas and wound edges of stored images will be delineated with a soft ware program. Peritoneal samples (3x3x1mm) will be taken at start of the operation, after 30 minutes and before closure of the abdomen. The samples will immediately be stored in RNA-later solution, and deep frozen for later analysis of epithelial (peritoneal) and endothelial function/tissue damage.
Conditions
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Study Design
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RANDOMIZED
FACTORIAL
TREATMENT
SINGLE
Study Groups
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standard heating
Standard intraoperative warming measures including heated sheets, heating with forced warmed air, warming of fluids, and insulation of limbs and head.
humidified warmed CO2
Additional insufflation of humidified carbon dioxide (approx. 36-37ºC, approx. 80-100% relative humidity) via a humidifier with a heated tube (Fisher\&Paykel) connected to a gas diffuser (Cardia Innovation AB) that is able to create a local atmosphere of 100% carbon dioxide (humidified) in the wound cavity
Interventions
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humidified warmed CO2
Additional insufflation of humidified carbon dioxide (approx. 36-37ºC, approx. 80-100% relative humidity) via a humidifier with a heated tube (Fisher\&Paykel) connected to a gas diffuser (Cardia Innovation AB) that is able to create a local atmosphere of 100% carbon dioxide (humidified) in the wound cavity
Eligibility Criteria
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Inclusion Criteria
* patient signed informed consent
Exclusion Criteria
18 Years
ALL
No
Sponsors
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Karolinska University Hospital
OTHER
Responsible Party
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Karolinska Institute / Karolinska University Hospital
Principal Investigators
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Jan A van der Linden, MD PhD
Role: PRINCIPAL_INVESTIGATOR
Karolinska Institute / Karolinska University Hospital
Locations
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Karolinska University Hospital
Stockholm, , Sweden
Countries
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References
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Persson M, van der Linden J. Intraoperative CO2 insufflation can decrease the risk of surgical site infection. Med Hypotheses. 2008;71(1):8-13. doi: 10.1016/j.mehy.2007.12.016. Epub 2008 Mar 4.
Persson M, van der Linden J. Can wound desiccation be averted during cardiac surgery? An experimental study. Anesth Analg. 2005 Feb;100(2):315-320. doi: 10.1213/01.ANE.0000140243.97570.DE.
Persson M, Elmqvist H, van der Linden J. Topical humidified carbon dioxide to keep the open surgical wound warm: the greenhouse effect revisited. Anesthesiology. 2004 Oct;101(4):945-9. doi: 10.1097/00000542-200410000-00020.
Persson M, Svenarud P, Flock JI, van der Linden J. Carbon dioxide inhibits the growth rate of Staphylococcus aureus at body temperature. Surg Endosc. 2005 Jan;19(1):91-4. doi: 10.1007/s00464-003-9334-z. Epub 2004 Nov 11.
Persson M, van der Linden J. Wound ventilation with ultraclean air for prevention of direct airborne contamination during surgery. Infect Control Hosp Epidemiol. 2004 Apr;25(4):297-301. doi: 10.1086/502395.
Persson M, van der Linden J. Wound ventilation with carbon dioxide: a simple method to prevent direct airborne contamination during cardiac surgery? J Hosp Infect. 2004 Feb;56(2):131-6. doi: 10.1016/j.jhin.2003.10.013.
Persson M, Van Der Linden J. De-airing of a cardiothoracic wound cavity model with carbon dioxide: theory and comparison of a gas diffuser with conventional tubes. J Cardiothorac Vasc Anesth. 2003 Jun;17(3):329-35. doi: 10.1016/s1053-0770(03)00050-8.
Svenarud P, Persson M, Van Der Linden J. Efficiency of a gas diffuser and influence of suction in carbon dioxide deairing of a cardiothoracic wound cavity model. J Thorac Cardiovasc Surg. 2003 May;125(5):1043-9. doi: 10.1067/mtc.2003.50.
Svenarud P, Persson M, van der Linden J. Intermittent or continuous carbon dioxide insufflation for de-airing of the cardiothoracic wound cavity? An experimental study with a new gas-diffuser. Anesth Analg. 2003 Feb;96(2):321-7, table of contents. doi: 10.1097/00000539-200302000-00005.
Hannenberg AA, Sessler DI. Improving perioperative temperature management. Anesth Analg. 2008 Nov;107(5):1454-7. doi: 10.1213/ane.0b013e318181f6f2. No abstract available.
Sessler DI. Temperature monitoring and perioperative thermoregulation. Anesthesiology. 2008 Aug;109(2):318-38. doi: 10.1097/ALN.0b013e31817f6d76.
Insler SR, Sessler DI. Perioperative thermoregulation and temperature monitoring. Anesthesiol Clin. 2006 Dec;24(4):823-37. doi: 10.1016/j.atc.2006.09.001.
Sessler DI. Non-pharmacologic prevention of surgical wound infection. Anesthesiol Clin. 2006 Jun;24(2):279-97. doi: 10.1016/j.atc.2006.01.005.
Other Identifiers
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2008/1258-31-4
Identifier Type: -
Identifier Source: org_study_id