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KMID : 0853020120150020109
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Journal of Korean Burn Society
2012 Volume.15 No. 2 p.109 ~ p.120
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The Role of PCR Waveform by Plethysmography in Electric Burns
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Kang Kyoung-Don
Pyo Chang-Hae
Kim Hyun-Chul
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Abstract
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Purpose: A vast array of injuries result from high voltage electrical damage. The compartment syndrome of forearm prone to have high risk of major amputations, especially in arc burn. Early decompressing fasciotomy has been recommended for the prevention of limb amputations. There are controversies about the effect of fasciotomy. We tried to Pressure Cuff Recording (PCR) wave forms of Plethysmography for the monitoring early signs of vascular compromises in decision of early selective fasciotomy. We investigated the role of PCR wave forms to reduce major amputation rate.
Methods:< We reviewed 875 burned limb of 520 electric current damage victims (fasciotomy or amputation were performed, PCR wave forms evaluated) during the last 14 years (from Jan. 1, 1996 to Jun. 30, 2009). We analysed the differences of amputation rates by the currency, input/output, burn types, effects of PGE1 adminstration, fasciotomy time, converting of PCR wave forms.
Results: There was no major amputations among low tension victims (minor amputation rate; 0.3%). The minor and major amputation rate were 19.5% and 27.0 in high tension injury. The flash burns rarely made the amputations, but arc burns had 12.1% of minor and 41.2% of major amputations. The direct contact burns had 24.7% of minor and 21.3% of major amputations. Most of the victims had their hand as input and foot as output. The minor and major amputation rate were 26.2% and 10.9% in none-fasciotomy, 8.8% and 48.0% in within 8 hours, 10.0% and 52.9% in 8-24 hours, 9.3% and 63.0% in over 24 hours fasciotomy group. Final normal type (N type) of PCR result had only 3.1% of minor amputations and 3.1% of major amputations. Final obstructive type (O type) had 37.6% of minor amputations, 60.8% of major amputations. Initial stenotic type (S type) of converted to N type had 6.6% amputation, but to O type had 98.7% amputation.
Conclusion: The early selective fasciotomy are essential to reduce major amputations in high tension injuries, especially in arc burns. The PCR wave form converting to obstructive type could be helpful to predict the possible amputation. The PCR wave form is a good tool to monitor early signs of vascular compromise around fasciotomy. It plays as the index of immediate fasciotomy decision.
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KEYWORD
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Electric burns, PCR waveform, Plethysmograpgy, Amputation rate
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