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Published in: World Journal of Urology 1/2022

Open Access 01-01-2022 | Nephrectomy | Original Article

Polyethylene glycol-coated collagen patch (hemopatch®) in open partial nephrectomy

Authors: Michael Staehler, S. Rodler, M. Schott, J. Casuscelli, C. Stief, A. Spek, B. Schlenker

Published in: World Journal of Urology | Issue 1/2022

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Abstract

Purpose

To describe the results of a polyethylene glycol-coated collagen patch, Hemopatch® on blood loss, surgical time and renal function in partial nephrectomy (PN) for renal cell carcinoma (RCC).

Methods

Out of a single surgeon cohort of n = 565 patients undergoing conventional open PN (CPN) between 01/2015 and 12/2017 at the University of Munich a consecutive subgroup (n = 42) was operated on using a polyethylene glycol-coated collagen-based sealant Hemopatch® (Baxter International Inc., Deerfield, IL, USA) (HPN).

Results

Median age was 65.2 years (range 12.7–95.2) with median follow-up of 9.43 months (0.03–49.15). Baseline renal function (CKD-EPI) was 78.56 ml/min/1.73 m2 (range 20.38–143.09) with a non-significant decline to 74.78 ml/min/1.73 m2 (range 3.75–167.74) at follow-up.
In CPN 46% had low complexity, 33% moderate complexity and 20% high complexity lesions with 33% low, 40% moderate and 27% high complexity masses in HPN.
Median tumor size was 4.3 cm (range 1–38 cm) in CPN with 4.8 cm (range 3.8–18.3 cm) with HPN, p = 0.293. Median blood loss and duration of surgery was significantly lower in the HPN group vs. CPN (146 ml ± 195 vs. 114 ml ± 159 ml; p = 0.021; 43 min ± 27 for HPN vs. 53 min ± 49; p = 0.035) with no difference in clamping time (12.6 min ± 8.6 for HPN vs. 12.0 min ± 9.5; p = 0.701).

Conclusions

Hemopatch® supported renoraphy shows promising results compared to standard renoraphy in PN. No side effects were seen. Further studies should evaluate the prevention of arterio-venous or urinary fistulas. In complex partial nephrectomies Hemopatch® supported renoraphy should be considered.
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Metadata
Title
Polyethylene glycol-coated collagen patch (hemopatch®) in open partial nephrectomy
Authors
Michael Staehler
S. Rodler
M. Schott
J. Casuscelli
C. Stief
A. Spek
B. Schlenker
Publication date
01-01-2022
Publisher
Springer Berlin Heidelberg
Published in
World Journal of Urology / Issue 1/2022
Print ISSN: 0724-4983
Electronic ISSN: 1433-8726
DOI
https://doi.org/10.1007/s00345-021-03827-x

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