Related Experiment Videos
Devascularized Parenchymal Mass Associated with Partial Nephrectomy: Predictive Factors and Impact on Functional
Wen Dong1, Jitao Wu2, Chalairat Suk-Ouichai3
1Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, Ohio; Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Department of Urology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China.
The Journal of Urology
|April 13, 2017
Summary
Devascularized kidney mass significantly impacts functional recovery after partial nephrectomy more than excised mass. This finding may influence surgical techniques for better patient outcomes.
Area of Science:
- Nephrology
- Urology
- Surgical Oncology
Background:
- Parenchymal mass loss is a key factor affecting functional outcomes post-partial nephrectomy.
- This loss is attributed to both surgically removed (excised) and devascularized kidney tissue.
Purpose of the Study:
- To evaluate the relative importance of excised versus devascularized parenchymal mass on functional recovery after partial nephrectomy.
- To understand the impact of different types of parenchymal mass loss on kidney function.
Main Methods:
- Assessed parenchymal mass changes in 168 patients undergoing partial nephrectomy using contrast-enhanced CT scans.
- Quantified excised and devascularized parenchymal mass and correlated these with glomerular filtration rate (GFR) preservation.
- Utilized Pearson correlation and multivariable analysis to identify factors associated with mass loss and functional outcomes.
Main Results:
- Devascularized parenchymal mass (median 16 cm³) had a stronger association with GFR preservation than excised parenchymal mass (median 9 cm³).
- Total parenchymal mass loss and devascularized mass strongly correlated with GFR preservation (r ≥0.55, p <0.001).
- Preoperative GFR and tumor endophytic status were associated with devascularized parenchymal mass.
Conclusions:
- Devascularized parenchymal mass appears to have a greater impact on kidney function recovery than excised mass after partial nephrectomy.
- Findings suggest potential implications for surgical techniques aimed at minimizing devascularized tissue.
- Further prospective studies are needed to confirm these findings across diverse clinical settings.