Critical care medicine · 2009
The impact of body position on intra-abdominal pressure measurement: a multicenter analysis.
Клиническое исследованиеСтатьяМногоцентровое исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Cheatham Michael L, De Waele Jan J, De Laet Inneke, De Keulenaer Bart, Widder Sandy, Kirkpatrick Andrew W, Cresswell Adrian B, Malbrain Manu, Bodnar Zsolt, Mejia-Mantilla Jorge H, Reis Richard, Parr Michael, Schulze Robert, Puig Sonia, World Society of the Abdominal Compartment Syndrome (WSACS) Clinical Trials Working Group
Аннотация
OBJECTIVE: Elevated intra-abdominal pressure (IAP) is a frequent cause of morbidity and mortality among the critically ill. IAP is most commonly measured using the intravesicular or "bladder" technique. The impact of changes in body position on the accuracy of IAP measurements, such as head of bed elevation to reduce the risk of ventilator-associated pneumonia, remains unclear.
DESIGN: Prospective, cohort study.
SETTING: Twelve international intensive care units.
PATIENTS: One hundred thirty-two critically ill medical and surgical patients at risk for intra-abdominal hypertension and abdominal compartment syndrome.
INTERVENTIONS: Triplicate intravesicular pressure measurements were performed at least 4 hours apart with the patient in the supine, 15 degrees , and 30 degrees head of bed elevated positions. The zero reference point was the mid-axillary line at the iliac crest.
MEASUREMENTS AND MAIN RESULTS: Mean IAP values at each head of bed position were significantly different (p < 0.0001). The bias between IAPsupine and IAP15 degrees was 1.5 mm Hg (1.3-1.7). The bias between IAPsupine and IAP30 degrees was 3.7 mm Hg (3.4-4.0).
CONCLUSIONS: Head of bed elevation results in clinically significant increases in measured IAP. Consistent body positioning from one IAP measurement to the next is necessary to allow consistent trending of IAP for accurate clinical decision making. Studies that involve IAP measurements should describe the patient's body position so that these values may be properly interpreted.
DESIGN: Prospective, cohort study.
SETTING: Twelve international intensive care units.
PATIENTS: One hundred thirty-two critically ill medical and surgical patients at risk for intra-abdominal hypertension and abdominal compartment syndrome.
INTERVENTIONS: Triplicate intravesicular pressure measurements were performed at least 4 hours apart with the patient in the supine, 15 degrees , and 30 degrees head of bed elevated positions. The zero reference point was the mid-axillary line at the iliac crest.
MEASUREMENTS AND MAIN RESULTS: Mean IAP values at each head of bed position were significantly different (p < 0.0001). The bias between IAPsupine and IAP15 degrees was 1.5 mm Hg (1.3-1.7). The bias between IAPsupine and IAP30 degrees was 3.7 mm Hg (3.4-4.0).
CONCLUSIONS: Head of bed elevation results in clinically significant increases in measured IAP. Consistent body positioning from one IAP measurement to the next is necessary to allow consistent trending of IAP for accurate clinical decision making. Studies that involve IAP measurements should describe the patient's body position so that these values may be properly interpreted.