Journal
CLINICAL GENITOURINARY CANCER
Volume 18, Issue 5, Pages E619-E628Publisher
CIG MEDIA GROUP, LP
DOI: 10.1016/j.clgc.2020.02.004
Keywords
Antihypertensive medication; Blood pressure; Hypertension; Partial nephrectomy; Renal tumors
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Funding
- JSPS KAKENHI [17K16782]
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We demonstrated that nephrectomy-related hypertension occurred more frequently after partial nephrectomy than after radical nephrectomy, based on the data of postoperative home blood pressure and antihypertensive medication use. Moreover, acute kidney injury and higher postoperative peak C-reactive protein were significant risk factors for nephrectomy-related hypertension. Thus, partial nephrectomy may cause postoperative progression of hypertension possibly through renal parenchymal damage. Introduction: We aimed to evaluate the incidence and risk factors for nephrectomy-related hypertension (NR-HT) in patients with renal tumors who underwent partial nephrectomy (PN) or radical nephrectomy (RN). Patients and Methods: A retrospective cross-sectional follow-up survey of postoperative home blood pressure (BP) and defined daily dose (DDD) of antihypertensive medications was conducted in patients with renal tumors who underwent PN (210 patients) or RN (120 patients), and they were compared. We evaluated the incidence and risk factors for NR-HT, defined as the addition of antihypertensive medications in doses of 1 DDD or more after surgery, or postoperative BP of 140/90 mmHg with an increase of 20 mmHg from preoperative BP with no reduction in dose of antihypertensive medications. Results: Both systolic (mean, 124 vs. 129 mmHg; P < .001) and diastolic BP (mean, 74 vs. 79 mmHg; P < .001) significantly increased after PN compared with RN. Systolic (P < .001) and diastolic (P = .003) BP increased significantly more after PN than after RN, and NR-HT was more frequent after PN than after RN (16% vs. 5%; P = .002). PN (odds ratio [OR], 2.93; P = .022) and higher postoperative peak C-reactive protein (OR, 2.34; P = .017) were independently associated with NR-HT. When limited to only the patients who underwent PN, acute kidney injury (OR, 2.65; P = .036) and higher postoperative peak C-reactive protein (OR, 2.54; P = .016) were independent risk factors for NR-HT. Conclusion: PN may cause postoperative progression of hypertension possibly through renal parenchymal damage. (C) 2020 Elsevier Inc. All rights reserved.
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