What question did this study set out to answer?

To determine the key factors influencing renal function after partial nephrectomy in solitary kidneys, specifically evaluating the impact of cold versus warm ischemia.

December 18, 2010The Journal of Urology

Comparison of Cold and Warm Ischemia During Partial Nephrectomy in 660 Solitary Kidneys Reveals Predominant Role of Nonmodifiable Factors in Determining Ultimate Renal Function

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Authors

BLBrian R. LaneGrand Rapids Community College PRPaul RussoSouth Australia Pathology RURobert G. UzzoFox Chase Cancer Center

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Implication

Comparative cohort study shows similar renal function decline between cold and warm ischemia in solitary kidneys, indicating preserved parenchyma volume primarily dictates long-term recovery.

Key Points

To determine the key factors influencing renal function after partial nephrectomy in solitary kidneys, specifically evaluating the impact of cold versus warm ischemia.
Analyzed 660 patients with solitary functioning kidneys undergoing partial nephrectomy under cold (n=300) or warm (n=360) ischemia across 4 centers between 1980 and 2009.
Calculated preoperative and postoperative glomerular filtration rates using the CKD-EPI equation across an average follow-up of 4.5 years.
Median glomerular filtration rate decreased by 21% with cold ischemia versus 22% with warm ischemia at 3 months (p = 0.7), despite significantly longer median cold ischemia duration (45 vs 22 minutes, p < 0.001).
Multivariable analysis identified percentage of parenchyma spared and preoperative glomerular filtration rate as the primary determinants of ultimate renal function (p < 0.05), after which ischemia duration lost statistical significance.

Cite This Study

Lane et al. (2010) studied this question.

synapsesocial.com/papers/6a70d28731a3df8243290fca https://doi.org/10.1016/j.juro.2010.09.131

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Implication

Comparative cohort study shows similar renal function decline between cold and warm ischemia in solitary kidneys, indicating preserved parenchyma volume primarily dictates long-term recovery.

Comparison of Cold and Warm Ischemia During Partial Nephrectomy in 660 Solitary Kidneys Reveals Predominant Role of Nonmodifiable Factors in Determining Ultimate Renal Function

Discussion

Member takes

Implication

Key Points

Cite This Study

Comparison of Cold and Warm Ischemia During Partial Nephrectomy in 660 Solitary Kidneys Reveals Predominant Role of Nonmodifiable Factors in Determining Ultimate Renal Function

Discussion

Member takes

Implication

Key Points

Cite This Study

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