What question did this study set out to answer?

To determine how the acoustic and dynamic mechanical properties of kidney stones vary by chemical composition to explain differences in shock wave lithotripsy fragmentation.

December 1, 1993Journal of Endourology

Acoustic and Mechanical Properties of Renal Calculi: Implications in Shock Wave Lithotripsy*

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Authors

CCCheng–Jen ChuongThe University of Texas at Arlington PZPei ZhongSouthern Illinois University Carbondale GPGlenn M. PremingerDuke University

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Implication

Experimental study reveals acoustic and mechanical property differences among renal calculi types, explaining clinical variations in shock wave lithotripsy fragmentation.

Key Points

To determine how the acoustic and dynamic mechanical properties of kidney stones vary by chemical composition to explain differences in shock wave lithotripsy fragmentation.
Measured longitudinal and transverse wave propagation speeds in nine chemical composition groups of renal calculi using ultrasound pulse transmission.
Determined stone density with an Archimedes' principle pycnometer and calculated wave impedance, bulk modulus, Young's modulus, and shear modulus.
Calcium oxalate monohydrate and cystine stones exhibited higher wave speeds, acoustic impedances, and dynamic mechanical moduli, reflecting greater resistance to fragmentation.
Phosphate stones, including carbonate apatite and magnesium ammonium phosphate hydrogen, demonstrated lower dynamic moduli and acoustic values, indicating greater susceptibility to shock wave breakdown.

Cite This Study

Chuong et al. (1993) studied this question.

synapsesocial.com/papers/6a724ce2b27f15817827ff76 https://doi.org/10.1089/end.1993.7.437

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Implication

Experimental study reveals acoustic and mechanical property differences among renal calculi types, explaining clinical variations in shock wave lithotripsy fragmentation.

Acoustic and Mechanical Properties of Renal Calculi: Implications in Shock Wave Lithotripsy*

Discussion

Member takes

Implication

Key Points

Cite This Study

Acoustic and Mechanical Properties of Renal Calculi: Implications in Shock Wave Lithotripsy*

Discussion

Member takes

Implication

Key Points

Cite This Study

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