PORTO @ Archivio Istituzionale della Ricerca

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Despite the important relationship between renorrhaphy and functional outcomes of partial nephrectomy, the urological guidelines do not provide recommendations about the optimal renorrhaphy technique. We carried out the first pooled literature analysis of the impact of suture technique on ultimate renal function after partial nephrectomy. Three studies comparing interrupted versus running suture including data on glomerular filtration rate (GFR) were included, for a total of 124 versus 269 patients. No significant differences were found between pre- and postoperative GFR in either patients who received an interrupted suture (weighted mean difference, -4.88ml/min, 95% confidence interval [CI] -11.38; 1.63, p=0.14) or those who received a running suture (-3.42ml/min, 95% CI -9.96; 3.12, p=0.31). Three studies comparing single- versus double-layer renorrhaphy included data on GFR (321 vs 199 patients). A benefit in functional outcomes favored single-layer technique (-3.19ml/min, 95% CI -8.09; 1.70, p=0.2 vs -6.07ml/min, 95% CI -10.75; -1.39, p=0.01). In conclusion, our quantitative synthesis suggests a renal functional benefit of the single-layer closure during partial nephrectomy. PATIENT SUMMARY: The available studies on renal functional data included in the present review suggest that "less is more" for renorrhaphy after partial nephrectomy. The single-layer renorrhaphy technique showed advantages in renal functional outcomes compared with the double-layer technique.

Systematic Review and Pooled Analysis of the Impact of Renorrhaphy Techniques on Renal Functional Outcome After Partial Nephrectomy / Bertolo, R.; Campi, R.; Mir, M. C.; Klatte, T.; Kriegmair, M. C.; Salagierski, M.; Ouzaid, I.; Capitanio, U.. - In: EUROPEAN UROLOGY ONCOLOGY. - ISSN 2588-9311. - 2:5(2019), pp. 572-575. [10.1016/j.euo.2018.11.008]

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