Preliminary study of acoustic radiation force impulse technique estimating the change of kidney in rabbits with hypothermia and rewarming

doi:10.3877/cma.j.issn.1672-6448.2017.12.015

Abstract

Abstract:

Objective

To explore the value of acoustic radiation force impulse imaging (ARFI) technique in the evaluation of the change of kidney in rabbits with hypothermia and rewarming.

Methods

Sixteen New Zealand rabbits were placed in -25℃ environment for 8 hours, then rewarmed in 23℃ environment. Ultrasonic examinations were performed at room temperature in the time of T₀ and the time of T₁-T₈. The right kidney were evaluated by two-dimensional ultrasound and ARFI technique.

Results

No significant changes were found in the echo and volume of kidney from T₁ to T₈. SWV of kidney descended greatly from T₀ to T₁ and raised from T₂ to T₃ gradually, then it descended from T₃ to T₈ gradually. Significant difference of SWV of kidney were found from T₁ to T₈ compared with that at T₀ (P<0.05).

Conclusions

ARFI Technique can estimate the change of kidney in rabbits with hypothermia and rewarming. It can provide more useful information for clinical diagnosis.

Key words: Elasticity imaging techniques, Low temperature, Resume, Kidney

Mingsen Bi, Junying Cao, Yu Sun, Yan Zhang, Yi Wang, Yuning Liu, Jiali Zhang. Preliminary study of acoustic radiation force impulse technique estimating the change of kidney in rabbits with hypothermia and rewarming[J]. Chinese Journal of Medical Ultrasound (Electronic Edition), 2017, 14(12): 955-958.

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URL: https://chaosheng.cma-cmc.com.cn/EN/10.3877/cma.j.issn.1672-6448.2017.12.015

https://chaosheng.cma-cmc.com.cn/EN/Y2017/V14/I12/955

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References 15

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时间	只数	体积（cm³）	SWV（m/s）
T₀	16	6.21±1.42	2.29±0.31^a
T₁	15	6.20±1.29	1.63±0.31^b
T₂	14	6.25±1.35	1.76±0.20^c
T₃	13	6.31±1.27	1.93±0.21
T₄	12	6.32±1.39	1.86±0.27
T₅	11	6.31±1.40	1.86±0.16
T₆	10	6.29±1.50	1.85±0.22
T₇	9	6.26±1.34	1.81±0.31
T₈	8	6.25±1.47	1.74±0.28

时间	只数	体积（cm³）	SWV（m/s）
T₀	16	6.21±1.42	2.29±0.31^a
T₁	15	6.20±1.29	1.63±0.31^b
T₂	14	6.25±1.35	1.76±0.20^c
T₃	13	6.31±1.27	1.93±0.21
T₄	12	6.32±1.39	1.86±0.27
T₅	11	6.31±1.40	1.86±0.16
T₆	10	6.29±1.50	1.85±0.22
T₇	9	6.26±1.34	1.81±0.31
T₈	8	6.25±1.47	1.74±0.28

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