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Farinha R, De Groote R, Zondervan P, Paciotti M, Roozen E, Head S, Sarchi L, Bravi CA, Mottaran A, Puliatti S, De Backer P, De Naeyer G, Mottrie A. Will Renorrhaphy Become Obsolete? Evaluation of a New Hemostatic Sealant. J Endourol 2023; 37:105-111. [PMID: 36006369 DOI: 10.1089/end.2022.0339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Background: In robot-assisted partial nephrectomy (RAPN) renorrhaphy is used to achieve hemostatic control of the tumoral resection bed, with detrimental impact on renal function. Hemostatic agents are used to achieve rapid and optimal hemostasis. GATT-Patch is a new hemostatic sealant that has already demonstrated promising results. Objective: Compare GATT-Patch and standard renorrhaphy in terms of hemostatic capacity, ischemia time, and prevention of urinary leakage after RAPN in a porcine model. Design, Setting, and Participants: In this preclinical randomized controlled trial, four pigs underwent 32 RAPNs. After resection, GATT-Patch application and performance of classic renorrhaphy were randomized. After the procedure, the resection bed was reinspected. A necropsy study evaluated the adhesiveness of the patch, and retrograde pyelography was performed to determine the leakage burst pressure. Intervention: Application of GATT-Patch and performance of classic renorrhaphy were randomized and surgeons blinded to the hemostatic technique to be performed. Outcome Measurements and Statistical Analysis: Warm ischemia, hemostatic control, active bleeding during hemostatic control, total procedure time, bleeding at reinspection, and presence of urinary leakage on retrograde pyelography were recorded. Continuous variables were compared using the Student t-test. Categorical variables were compared using the Chi-square or Fisher's exact test. Results and Limitations: GATT-Patch reduced warm ischemia time (WIT), time to achieve hemostatic control, active bleeding time, and total procedure time, achieving hemostasis in 100% of the cases. Rebleeding at reinspection occurred in 0% of the GATT-Patch group. Renal parenchyma damage was observed in 100% of renorrhaphy cases and in 0% of GATT-Patch cases. Conclusions: GATT-Patch guaranteed optimal hemostasis and urine sealant effect after RAPN in porcine models. Compared to renorrhaphy, we observed a reduction in WIT, total procedure time, and potential reduction in healthy parenchyma loss. Patient Summary: GATT-Patch stops bleeding and provides hemostasis faster than suturing after resection of portions of the kidney in pigs. It might be tested in patients undergoing partial nephrectomy for kidney cancer.
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Affiliation(s)
- Rui Farinha
- ORSI Academy, Melle, Belgium.,Department of Urology, OLV, Aalst, Belgium.,Urology Department, Centro Hospitalar Universitário de Lisboa Central, Lisbon, Portugal.,Urology Department, Lusíadas Hospital, Lisbon, Portugal
| | - Ruben De Groote
- ORSI Academy, Melle, Belgium.,Department of Urology, OLV, Aalst, Belgium
| | - Patricia Zondervan
- Department of Urology, 26066 Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Marco Paciotti
- ORSI Academy, Melle, Belgium.,Department of Urology, OLV, Aalst, Belgium.,Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Italy.,Department of Urology, IRCCS Humanitas Research Hospital, Rozzano, Italy
| | - Edwin Roozen
- Department of Surgery, Radboud University Medical Center, Nijmegen, The Netherlands.,GATT Technologies BV, Nijmegen, The Netherlands
| | - Stuart Head
- GATT Technologies BV, Nijmegen, The Netherlands
| | - Luca Sarchi
- ORSI Academy, Melle, Belgium.,Department of Urology, OLV, Aalst, Belgium
| | - Carlo Andrea Bravi
- ORSI Academy, Melle, Belgium.,Department of Urology, OLV, Aalst, Belgium.,Division of Oncology/Unit of Urology, URI, IRCCS Ospedale San Raffaele, Milan, Italy
| | - Angelo Mottaran
- ORSI Academy, Melle, Belgium.,Department of Urology, OLV, Aalst, Belgium.,Division of Urology, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy.,University of Bologna, Bologna, Italy
| | - Stefano Puliatti
- Department of Urology, University of Modena and Reggio Emilia, Modena, Italy
| | - Pieter De Backer
- ORSI Academy, Melle, Belgium.,Department of Urology, University of Ghent, Ghent, Belgium
| | - Geert De Naeyer
- ORSI Academy, Melle, Belgium.,Department of Urology, OLV, Aalst, Belgium
| | - Alexandre Mottrie
- ORSI Academy, Melle, Belgium.,Department of Urology, OLV, Aalst, Belgium
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Liu Q, Gao M, Lin TX, Liao B, Wang YH, Wu SX, Xu SZ, Pan JX, Xu ZX, Huang J, Dong W. Parenchymal Mass Loss During Partial Nephrectomy: Role of Devascularized Parenchymal Mass and Excised Parenchymal Mass and Impact on Functional Preservation. Clin Genitourin Cancer 2021; 20:e199-e204. [PMID: 35000877 DOI: 10.1016/j.clgc.2021.12.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 12/09/2021] [Accepted: 12/12/2021] [Indexed: 11/19/2022]
Abstract
This study included 93 patients with renal masses who underwent standard partial nephrectomy or tumor enucleation. After surgery, parenchymal mass loss caused by devascularization resulted in more damage to renal function than excised parenchymal mass loss. Surgeons should seek better techniques to decrease devascularization during reconstruction. INTRODUCTION To evaluate the importance of devascularized parenchymal mass(DPM) and excised parenchymal mass(EPM) in functional preservation after standard partial nephrectomy(SPN). PATIENTS AND METHODS Forty-one patients who underwent pure tumor enucleation(TE) and 52 patients who underwent SPN with necessary data were included. As no EPM was lost in TE, the TE samples were used to estimate the degree of volume shrinkage that occurred when the measurements were performed in vivo with blood flow versus ex vivo without, and the shrinkage ratio was calculated as specimen volume divided by tumor volume in vivo. In SPN, the specimen volume comprised tumor volume plus EPM. The EPM was calculated as specimen volume divided by shrinkage ratio minus tumor volume in vivo. The DPM was defined as total ipsilateral parenchymal mass loss minus EPM. T tests, χ2 test, and Mann-Whitney U tests were employed to compare clinical characteristics. Multivariate analysis was used to identify variables that correlated with glomerular filtration rate(GFR) preservation. RESULTS The mean sizes of devascularized and excised parenchymal masses were 13.6 cm3 and 5.2 cm3 (P = .01), which accounted for 7.8% and 3.4% of preoperative ipsilateral parenchymal mass (P = .03) in SPN, respectively. The shrinkage ratio was 0.71 and correlation coefficient was 0.965. After stepwise regression, DPM, and preoperative GFR were significantly associated with global GFR preservation. CONCLUSION The DPM comprises most of parenchymal mass loss after SPN and plays a more important role than EPM on functional outcomes. Surgeons should pay more attention to reducing devascularization during partial nephrectomy.
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Affiliation(s)
- Qi Liu
- Department of Urology, Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China; Guangdong Provincial Clinical Research Center for Urinary Diseases, Guangzhou, China
| | - Ming Gao
- Department of Radiology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Tian X Lin
- Guangdong Provincial Clinical Research Center for Urinary Diseases, Guangzhou, China
| | - Bei Liao
- Department of Neurology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Ya H Wang
- Department of Urology, Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Shao X Wu
- Department of Urology, Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Shi Z Xu
- Department of Urology, Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China; Guangdong Provincial Clinical Research Center for Urinary Diseases, Guangzhou, China
| | - Jie X Pan
- Department of Urology, Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Zi X Xu
- Department of Urology, Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China; Guangdong Provincial Clinical Research Center for Urinary Diseases, Guangzhou, China
| | - Jian Huang
- Department of Urology, Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China; Guangdong Provincial Clinical Research Center for Urinary Diseases, Guangzhou, China
| | - Wen Dong
- Department of Urology, Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China; Guangdong Provincial Clinical Research Center for Urinary Diseases, Guangzhou, China.
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Balasar M, Özkent MS, Aydin A, Taskapu HH, Atici A, Ecer G, Sonmez MG. The Benign Renal Masses that Were Exposed after Nephron-Sparing Surgery: "Postsurgical Fatty Tumor." Is It Related to the Surgical Technique? J Kidney Cancer VHL 2022; 9:1-8. [PMID: 34888127 DOI: 10.15586/jkcvhl.v9i1.195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Accepted: 10/18/2021] [Indexed: 11/24/2022] Open
Abstract
After nephron-sparing surgery (NSS), postsurgical fatty tumor could be mistakenly reported as angiomyolipoma during radiologic imaging of some patients. In the present paper, we studied the postsurgical fatty tumor detected after NSS but not covered before in the literature. In addition, we also evaluated whether the postsurgical fatty tumor was related to the surgical technique employed. Patients admitted to the urology department of our university hospital from 2014 to 2019 and operated with open NSS were evaluated retrospectively. We detected those 156 patients were operated with NSS. Nine patients with angiomyolipoma as primary pathology and four patients with surgical border positivity were excluded from the study. The patients were divided into two groups based on the repair of tumor extraction region. In Group 1, fatty tissue was used for repair, and Group 2 is the primary repair group. In all, 143 patients (Group 1 = 79, and Group 2 = 64) were included in the study. No demographic and radiologic differences, such as number of patients, age, gender, positioning of tumor, mass localization, tumor diameter, and RENAL nephrometry scoring system, were detected between the two groups. Postsurgical fatty tumors were detected in 28 patients in Group 1 and in two patients in Group 2 (P < 0.001). In patients with negative surgical margins after partial nephrectomy, lesions that were radiologically detected mimicking as angiomyolipoma were defined as “postsurgical fatty tumor.” This mass containing adipose tissue only neither depicted vascularization and enhancement nor increase in size for at least 1 year. We assumed that these lesions must be followed as benign lesions not requiring additional treatment.
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Guo Q, Lin Y, Zhang C, Guo Y, Long Y, Leng F, Gao J, Cheng Y, Yang L, Du L, Liao G, Huang J. Hemostatic Agent May Improve Perioperative Outcomes in Partial Nephrectomy: A Systematic Review and Meta-Analysis. Urol Int 2021; 106:352-359. [PMID: 34350887 DOI: 10.1159/000518125] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Accepted: 12/22/2020] [Indexed: 02/05/2023]
Abstract
BACKGROUND Hemostatic agents (HAs) are used to achieve hemostasis and prevent postoperative complications in multiple surgeries, but the role of HAs is ambiguous during partial nephrectomy (PN), so this study aimed to assess the role of HAs in PN. METHODS PubMed, Embase, CENTRAL and ClinicalTrials.gov were searched for randomized controlled trials and cohort studies regarding the comparison of HA use alone and standard suturing during PN on January 17, 2020. RevMan 5.3 was used to conduct meta-analysis. Sensitivity analyses and subgroup analyses were performed based on surgical procedures and HA types. RESULTS Six studies involving 1,066 patients were included. The quality of studies was moderate to high. There were significant reductions in warm ischemia time (mean difference [MD] = -6.30 min, 95% confidence interval [CI] -7.70 to -4.90, p < 0.00001), operative time (MD = -19.81 min, 95% CI -27.54 to -12.08, p < 0.00001), and estimated blood loss (MD = -108.62 mL, 95% CI -177.27 to -39.9, p = 0.002) in the HA group, and HA use alone did not increase postoperative complications. The results were similar in the subgroup analyses and sensitivity analyses. CONCLUSION HA may be an effective and safe surgical material in PN, which can improve postoperative outcomes. High-quality and randomly designed studies are needed to validate the applicability.
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Affiliation(s)
- Qiong Guo
- Medical Device Regulatory Research and Evaluation Center, West China Hospital, Sichuan University, Chengdu, China, .,Chinese Evidence-Based Medicine Center, West China Hospital, Sichuan University, Chengdu, China,
| | - Yifei Lin
- Medical Device Regulatory Research and Evaluation Center, West China Hospital, Sichuan University, Chengdu, China.,Precision Medicine Center, West China Hospital, Sichuan University, Chengdu, China.,Department of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Chenyang Zhang
- West China School of Public Health, Sichuan University, Chengdu, China
| | - Yi Guo
- West China School of Public Health, Sichuan University, Chengdu, China
| | - Youlin Long
- Medical Device Regulatory Research and Evaluation Center, West China Hospital, Sichuan University, Chengdu, China.,Chinese Evidence-Based Medicine Center, West China Hospital, Sichuan University, Chengdu, China
| | - Fangqun Leng
- West China School of Public Health, Sichuan University, Chengdu, China
| | - Juan Gao
- West China School of Public Health, Sichuan University, Chengdu, China
| | - Yifan Cheng
- Medical Device Regulatory Research and Evaluation Center, West China Hospital, Sichuan University, Chengdu, China.,Chinese Evidence-Based Medicine Center, West China Hospital, Sichuan University, Chengdu, China
| | - Liu Yang
- Medical Device Regulatory Research and Evaluation Center, West China Hospital, Sichuan University, Chengdu, China.,Chinese Evidence-Based Medicine Center, West China Hospital, Sichuan University, Chengdu, China
| | - Liang Du
- Medical Device Regulatory Research and Evaluation Center, West China Hospital, Sichuan University, Chengdu, China.,Chinese Evidence-Based Medicine Center, West China Hospital, Sichuan University, Chengdu, China
| | - Ga Liao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Medical Big Data Center, Sichuan University, Chengdu, China.,Department of Information Management, Department of Stomatology Informatics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jin Huang
- Medical Device Regulatory Research and Evaluation Center, West China Hospital, Sichuan University, Chengdu, China.,Chinese Evidence-Based Medicine Center, West China Hospital, Sichuan University, Chengdu, China.,Department of Urology, West China Hospital, Sichuan University, Chengdu, China
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Wang CH, Li CS, Jiang Y, Zhang H, Mu HD, Bao GC. The efficacy evaluation of partial nephrectomy with selective renal artery branch occlusion by laparoscopy. Medicine (Baltimore) 2021; 100:e26581. [PMID: 34190202 PMCID: PMC8257873 DOI: 10.1097/md.0000000000026581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Accepted: 06/17/2021] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND To investigate the clinical application and effect of laparoscopic partial nephrectomy with renal artery branch occlusion in the treatment of early renal tumors. METHODS A retrospective analysis was conducted on the clinical data of 15 cases of renal tumor patients who underwent partial nephrectomy by laparoscopic selective renal artery branch occlusion in our department from January 2017 to January 2018. Nine male patients and 6 female patients were aged 46 to 65 years, with an average age of 54.3 ± 7.2 years. The diameters of tumors were 2.2 to 4.0 cm, with an average of 3.3 ± 0.7 cm. There are 10 tumors locating on the left side and 5 on the right side. Preoperative renal glomerular filtration rate (GFR) were 77.3 to 61.9 mL/min with an average of 47.6 ± 7.5 mL/min. All patients' diseased kidneys underwent renal computer tomography angiography examination before surgery. And the diseased kidney underwent reexamination of renal GFR. The operation time, renal artery branch occlusion time, intraoperative blood loss, postoperative hospital stay, changes of renal function, and complications were evaluated. RESULTS All surgery were completed successfully, the surgery time was 136.7 ± 15.2 min, intraoperative renal artery branch occlusion time was 21.3 ± 4.5 min, the intraoperative blood loss was 223.3 ± 69.5 mL, the postoperative hospital stay was 6.5 ± 1.7 days, and the postoperative 1-month GFR was 49.5 ± 6.6 mL/min. There was no significant difference between the renal GFR before and after surgery (P > .05). There was no blood transfusion and transfer open surgery cases. The patients were followed up for 3 to 15 months without complications. CONCLUSIONS Partial nephrectomy with selective renal artery branch occlusion by laparoscopy is a safe, feasible, and effective method for the treatment of early renal cancer. It makes good use of the technical advantages of clear operation field and fine operation of laparoscopic surgery, avoids the heat ischemia process of the whole kidney, and can better protect the renal function.
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Affiliation(s)
- Chun-Hui Wang
- Department of Urology, Affiliated Hospital of Chifeng University, No. 42 Wangfu Street, Chifeng, Inner Mongolia, China
| | - Chun-Sheng Li
- Department of Urology, Affiliated Hospital of Chifeng University, No. 42 Wangfu Street, Chifeng, Inner Mongolia, China
| | - Ying Jiang
- Department of Reproductive Center, Affiliated Hospital of Chifeng University, No. 42 Wangfu Street, Chifeng, Inner Mongolia, China
| | - Hao Zhang
- Department of Urology, Affiliated Hospital of Chifeng University, No. 42 Wangfu Street, Chifeng, Inner Mongolia, China
| | - Ha-Da Mu
- Department of Urology, Affiliated Hospital of Chifeng University, No. 42 Wangfu Street, Chifeng, Inner Mongolia, China
| | - Guo-Chang Bao
- Department of Urology, Affiliated Hospital of Chifeng University, No. 42 Wangfu Street, Chifeng, Inner Mongolia, China
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