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Thermal balance in patients undergoing continuous veno-venous hemodialysis (CVVHD) [electronic resource] /

by Jones, Susan Kathleen

Abstract (Summary)
Continuous veno-venous hemodialysis represents a modality for treating acute renal failure in the intensive care unit (ICU) without many of the complications previously seen with acute intermittent hemodialysis. Although CVVHD solved many dialysis problems in the ICU, a new problem with hypothermia has been unmasked. This study examined the extent to which hypothermia is a problem in adult patients undergoing CVVHD. This study examined the tympanic membrane temperatures (TMT), pre and post dialyzer dialysate temperatures (D1 and D2), and the patient’s blood temperatures leaving (B1) and returning (B2) to the body. These values were evaluated as they related to the individuals body surface area (BSA), blood pump speed and dialysate pump speed. Ninety-one percent of the participants (N=11) became hypothermic ( < 36.4° C). Sixty-four percent of participants began to shiver during data collection. Body surface areas < 2 m2 were associated with patients becoming hypothermic (p = .03 at 0.5 and 2 hours). Blood flow rates (BFR) when grouped by speeds greater than or less than 150 ml/minute were not found to have a significant impact on whether or not the patient became hypothermic. Dialysate flow rates (DFR) greater than 1000 ml/hour had the greatest impact on participants becoming hypothermic irrespective of body surface area (p = .01 at 2 hours, p = .02 at 4 hours, p = .04 at 8 hours). 8
Bibliographical Information:

Advisor:

School:University of Oklahoma

School Location:USA - Oklahoma

Source Type:Master's Thesis

Keywords:body temperature hemofiltration kidney failure acute heart rate hypothermia rewarming treatment outcome

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