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The increased risk for thromboembolism pre-cystectomy in patients undergoing neoadjuvant chemotherapy for muscle-invasive urinary bladder cancer is mainly due to central venous access: a multicenter evaluation
Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Urology and Andrology.
Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Urology and Andrology. Department of Urology, Sundsvall Hospital, Sundsvall, Sweden.
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2019 (English)In: International Urology and Nephrology, ISSN 0301-1623, E-ISSN 1573-2584Article in journal (Refereed) Epub ahead of print
Abstract [en]

Purpose: To investigate if patients receiving neoadjuvant chemotherapy (NAC) for muscle-invasive bladder cancer (MIBC) had an increased risk of thromboembolic events (TEE) and to evaluate when these events occur on a timeline starting from 6 months pre-cystectomy, during NAC-administration and 60 months post-cystectomy.

Methods: Two hundred and fifty five patients undergoing radical cystectomy during 2009–2014 at three Swedish cystectomy centers (Umeå, Linköping and Sundsvall) were in-detail reviewed retrospectively, using individual medical records. One hundred and twenty nine patients were ineligible for analysis. NAC patients (n = 67) were compared to NAC-naïve NAC-eligible patients (n = 59). The occurrence of TEE was divided into different periods pre-cystectomy and post-cystectomy. Statistical analyses included Chi-squared and logistical regression tests.

Results: Significant associations were found between receiving NAC and acquiring a TEE during NAC therapy pre-cystectomy. All but one pre-cystectomy event was venous and all but one of the patients received NAC. 31% (14/45) of TEEs occurred pre-cystectomy. The incidence of TEEs pre-cystectomy in NAC-naive NAC-eligible patients was only 10% (2/20), whereas the incidence of TEEs in NAC patients occurred pre-cystectomy in 48% (12/25) and 11/12 incidents were detected during NAC therapy—this including 7/11 (64%) incidents affecting veins in anatomical conjunction with the placement of central venous access for chemotherapy administration.

Conclusions: There is a significantly increased risk for TEE pre-cystectomy during chemotherapy administration in MIBC patients receiving NAC, compared to the risk in NAC-naïve NAC-eligible MIBC patients. In 64% of the pre-RC TEEs in NAC patients, there was a clinical connection to placement of central venous access.

Place, publisher, year, edition, pages
2019.
Keywords [en]
Complications, Cystectomy, Neoadjuvant therapy, Thromboembolism, Urinary bladder neoplasms
National Category
Urology and Nephrology
Identifiers
URN: urn:nbn:se:umu:diva-165383DOI: 10.1007/s11255-019-02338-4ISI: 000497189400001PubMedID: 31745708Scopus ID: 2-s2.0-85075358142OAI: oai:DiVA.org:umu-165383DiVA, id: diva2:1372106
Available from: 2019-11-22 Created: 2019-11-22 Last updated: 2019-12-05

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