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Holographic Reconstructions for Preoperative Planning before Partial Nephrectomy: A Head-to-Head Comparison with Standard CT Scan.

Urol Int. 2018 Dec 12;:1-6

Authors: Antonelli A, Veccia A, Palumbo C, Peroni A, Mirabella G, Cozzoli A, Martucci P, Ferrari F, Simeone C, Artibani W

BACKGROUND: Preoperative surgical planning before partial nephrectomy (PN) is a time-consuming and fragmentary process.
OBJECTIVES: To evaluate the differences in the perception of renal anatomy between holographic reconstruction (HR) versus computed tomography (CT) in patients who are candidate to PN.
METHODS: CT scans of 10 consecutive patients with intermediate/high complexity renal masses (R.E.N.A.L. score > 8) scheduled for robot-assisted PN were translated into HR. Seven raters independently described how they interpreted several anatomical details from CT and HR respectively. The exams were presented unpaired and randomly. Inter-observer agreement and evaluation time were assessed. A questionnaire inquired clinical utility of CT and HR. Inter-observer agreement was measured by the Cohen’s kappa test. Evaluation time for CT and HR was compared by the Kruskal-Wallis test, overall and per rater. Examiners answered to the questionnaire following a Likert scale.
RESULTS: HR showed a higher inter-observer agreement, reaching a good level (k > 0.6) for almost all the anatomical details considered. Conversely, CT generally provided a fair or poor agreement (k < 0.6). The evaluation time was shorter for HR (mean 1.7 vs. 3.4 min, p < 0.0001). All raters declared that HR could facilitate preoperative planning before PN.
CONCLUSIONS: HR can be useful for preoperative surgical planning before PN to ease the understanding of anatomy.

PMID: 30540991 [PubMed – as supplied by publisher]

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