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Initial experiences with the Hemopatch® as a hemostatic agent in zero-ischemia partial nephrectomy

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Nephron-sparing surgery (NSS) is the gold standard treatment for resectable renal tumors. In the last decade, laparoscopic partial nephrectomy (LPN) has evolved in technical, surgical and oncological aspects and is an accepted treatment option for local-stage renal tumors. Improvements in not only surgical techniques, but also potent hemostats have encouraged this evolution. Here, we report our initial experiences with a new hemostatic agent, Hemopatch® (polyethylene glycol-coated collagen patch, Baxter), in zero-ischemia LPN.


Seven patients with confirmed renal masses were enrolled and subjected to zero-ischemia LPN. In all cases, Hemopatch® was applied to the tumor resection site after suturing of the renal parenchyma. The following clinical data were captured for analysis: staging information, PADUA and RENAL nephrometry scores, operation time, blood loss, complications, pathology and hospitalization length.


The median tumor size was 30.0 mm (range 9.5–72). The median PADUA and RENAL nephrometry scores were 6 (range 6–7) and 4 (range 4–6), respectively. All LPNs were performed with the zero-ischemia technique. In six of the seven patients, parenchymal suturing of the resection site was performed. No uncontrolled bleeding was observed. The median operation duration was 139 min (range 103–194), the median blood loss was 325 cc (range 50–700) and the median hospitalization length was 6 days (range 4–7). Hemopatch® provided sufficient hemostasis in all cases. No postoperative complications were observed.


Although this study is limited to a small set of initial experiences with Hemopatch® in LPN, it proves the feasibility and reliability of this new hemostat. Following further evaluation in prospective randomized comparative studies, Hemopatch® might represent a promising tool in NSS.

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Ethical standard

Hemopatch® was applied according to its European CE mark approval. Therefore, an ethic board statement was not required.

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Correspondence to F. Imkamp.

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F. Imkamp and Y. Tolkach have contributed equally to this publication.

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Imkamp, F., Tolkach, Y., Wolters, M. et al. Initial experiences with the Hemopatch® as a hemostatic agent in zero-ischemia partial nephrectomy. World J Urol 33, 1527–1534 (2015).

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