Host-related Risk Factors for Adherent Perinephric Fat in Healthy Individuals Undergoing Laparoscopic Living-donor Nephrectomy

Narita, Shintaro; Kumazawa, Teruaki; Tsuchiya, Norihiko; Huang, Mingguo; Saito, Mitsuru; Inoue, Takamitsu; Numakura, Kazuyuki; Maeno, Akihiro; Nanjo, Hiroshi; Satoh, Shigeru; Habuchi, Tomonori

doi:10.1097/sle.0000000000000433

Cited by 21 publications

(32 citation statements)

References 16 publications

(32 reference statements)

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“…However, in a very recent study investigating the histologic features of PSF, no significant inflammation or fibrosis was present in the PF of patients with PSF compared with patients without PSF but larger adipocytes were observed . Also, in another recent study, there was nonsignificant difference in macrophage infiltration in PF, which reflects inflammation between cases with and without PSF. The absence of inflammation and fibrosis could explain why SWVs were not altered in PSF patients in our study.…”

Section: Discussionmentioning

confidence: 86%

“…There are conflicting results in the literature regarding BMI. Some studies associated BMI with PSF, but some of them did not find a significant association …”

Section: Discussionmentioning

confidence: 97%

“…Currently there is no validated imaging marker to predict the presence of PSF and there is only a limited number of studies in the literature evaluating the prediction of PSF by preoperative imaging which all relied on CT or MRI for PF characteristics. In these studies, nonspecific imaging findings like thicker PF, larger PF area and increased fat stranding had been associated with PSF . To our knowledge, there is no study searching for a relationship of the PSF with an ultrasound (US)‐based parameter.…”

Section: Introductionmentioning

confidence: 99%

“…In these studies, nonspecific imaging findings like thicker PF, larger PF area and increased fat stranding had been associated with PSF. 8,12,13 To our knowledge, there is no study searching for a relationship of the PSF with an ultrasound (US)-based parameter.…”

Section: Introductionmentioning

confidence: 99%

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Two‐dimensional shear wave elastography of the perirenal fat: Can sticky fat be predicted?

Çamlıdağ

Öner²,

Özden³

2018

J of Clinical Ultrasound

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Purpose To evaluate whether two‐dimensional (2D) shear wave elastography (SWE) can predict the presence of perirenal sticky fat (PSF) by showing increased perirenal fat stiffness. Methods We prospectively enrolled 28 patients with 31 renal tumors and 10 donor cases. Conventional renal ultrasound (US) and 2D‐SWE examination of the perirenal fat were performed. Patient age, gender, body mass index (BMI), largest mass size, PF shear wave velocity (SWV) on both sides were recorded. During surgery, presence of PSF and perirenal fat dissection time (PFDT) were recorded. Results Twenty three renal masses were malignant and eight were benign. There were 13 clear cell carcinomas and 10 nonclear cell carcinomas. Eight patients had PSF. Mean PFDT was 13 minutes. PFDT and BMI were significantly increased in the PSF group (p < .05). No statistically significant differences were found in SWVs in patients with and without PSF. There were no significant differences with regard to SWVs between donor cases and patients, tumor side and nontumor side, benign masses and malignant masses, clear cell and nonclear cell tumors. No significant correlations were detected between SWVs and PFDT, mass size, Fuhrman grade and BMI (p > .05). Conclusion 2D‐SWE cannot detect PSF.

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Section: Discussionmentioning

confidence: 86%

“…There are conflicting results in the literature regarding BMI. Some studies associated BMI with PSF, but some of them did not find a significant association …”

Section: Discussionmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Two‐dimensional shear wave elastography of the perirenal fat: Can sticky fat be predicted?

Çamlıdağ

Öner²,

Özden³

2018

J of Clinical Ultrasound

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“…In Asian cohorts, there has been 1 study on the incidence of APF in healthy individuals, in which the incidence of adherent fat requiring exfoliation was 8.7% [14]. Our study is the first to evaluate the incidence of APF in Asian individuals with renal malignancy.…”

Section: Discussionmentioning

confidence: 99%

Adherent Perinephric Fat in Asian Patients: Predictors and Impact on Perioperative Outcomes of Partial Nephrectomy

Kawamura¹,

Saito²,

Inoue³

et al. 2018

Urol Int

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Introduction: This study is aimed at evaluating the incidence and predictors of adherent perinephric fat (APF) in Asians during partial nephrectomy (PN), and determining the impact of APF on perioperative outcomes. Materials and Methods: A total of 231 Asian patients with renal tumors underwent PN, and their Mayo adhesive probability (MAP) score was calculated. APF was intraoperatively determined, and the perioperative data were compared according to the presence of APF. The predictors of APF were examined using logistic regression analyses. Results: APF was observed in 40 (17%) patients. In multivariate analysis, male gender and higher MAP score were the independent predictors of APF. The estimated blood loss was higher in patients with APF, however, the complication rates did not differ between the 2 groups. Conclusions: The MAP score can predict APF in an Asian population. The presence of APF was associated with greater blood loss; however it did not increase the postoperative complications in PN.

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Renal tumor structured reporting including nephrometry score and beyond: what the urologist and interventional radiologist need to know

et al. 2018

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Host-related Risk Factors for Adherent Perinephric Fat in Healthy Individuals Undergoing Laparoscopic Living-donor Nephrectomy

Abstract: Supplemental Digital Content is available in the text.

Cited by 21 publications

References 16 publications

Two‐dimensional shear wave elastography of the perirenal fat: Can sticky fat be predicted?

Two‐dimensional shear wave elastography of the perirenal fat: Can sticky fat be predicted?

Adherent Perinephric Fat in Asian Patients: Predictors and Impact on Perioperative Outcomes of Partial Nephrectomy

Renal tumor structured reporting including nephrometry score and beyond: what the urologist and interventional radiologist need to know

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