Thromboembolic events in patients undergoing neoadjuvant chemotherapy and radical cystectomy for muscle-invasive bladder cancer: a study of renal impairment in relation to potential thromboprophylaxis

Thromboembolic events in patients undergoing neoadjuvant chemotherapy and radical cystectomy for muscle-invasive bladder cancer : a study of renal impairment in relation to potential thromboprophylaxis

Johansson, Markus (author): Umeå universitet,Urologi och andrologi,Department of Surgery, Urology Section, Sundsvall-Härnösand Hospital, Sundsvall, Sweden

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Related links:: https://doi.org/10.3...; show more...; https://umu.diva-por... (primary) (Raw object); https://urn.kb.se/re...; https://doi.org/10.3...; show less...

Abstract Subject headings

Recent studies on patients with muscle-invasive bladder cancer (MIBC) undergoing neoadjuvant chemotherapy (NAC) have shown an association between NAC and thromboembolic events (TEE) prior to radical cystectomy (RC). Recent studies suggest that central venous access catheters (CVAs) may induce TEEs, and low-molecular-weight heparin (LMWH) has been mentioned as possible prophylaxis. However, other studies have shown a high incidence of decreased renal function in these patients. The purpose of this study was to determine the portion of MIBC patients with NAC-induced TEEs who had decreased preoperative renal function for whom LMWH potentially would not be beneficial as prophylaxis. We identified 459 cystectomized MIBC patients from two Swedish medical centers from 2009 to 2021. The inclusion criterion of cT2-T4aN0M0 resulted in 220 eligible patients, who were further divided into NAC-administered (n = 187) and NAC-eligible (n = 33), the tentative control group. Values of renal function before, during, and after each NAC cycle were retrospectively collected from individual medical records. Amongst the NAC-administered patients with TEE (n = 29), 41% (95% CI 23.5-61.1%) of patients had decreased renal function. Thus, a substantial portion of NAC-administered patients who developed TEEs had reduced renal function and would have been less likely to have benefited from renal clearance-dependent LMWH prophylaxis.

By the author/editor: Rydell, Harriet; Ericson, Anna; Eriksson, Victor ...; Johansson, Marku ...; Svensson, Johan, ...; Banday, Viqar Sh ...; show more...; Sherif, Amir; show less...

About the subject

MEDICAL AND HEALTH SCIENCES: MEDICAL AND HEAL ...; and Clinical Medicin ...; and Urology and Neph ...

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