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Atanasova EG, Pentchev CP, Nolsøe CP. Intracavitary Applications for CEUS in PTCD. Diagnostics (Basel) 2024; 14:1400. [PMID: 39001290 PMCID: PMC11241276 DOI: 10.3390/diagnostics14131400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2024] [Revised: 06/22/2024] [Accepted: 06/28/2024] [Indexed: 07/16/2024] Open
Abstract
Intracavitary contrast-enhanced ultrasound is widely accepted as a highly informative, safe, and easily reproducible technique for the diagnosis, treatment, and follow-up of different pathologies of the biliary tree. This review article describes the diverse applications for CEUS in intracavitary biliary scenarios, supported by a literature review of the utilization of the method in indications like biliary obstruction by various etiologies, including postoperative strictures, evaluation of the biliary tree of liver donors, and evaluation of the localization of a drainage catheter. We also provide pictorial examples of the authors' personal experience with the use of intracavitary CEUS in cases of PTCD as a palliative intervention. Intracavitary CEUS brings all the positive features of US together with the virtues of contrast-enhanced imaging, providing comparable accuracy to the standard techniques for diagnosing biliary tree diseases.
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Affiliation(s)
- Evelina G Atanasova
- Faculty of Medicine, Medical University of Sofia, 1431 Sofia, Bulgaria
- Clinic of Gastroenterology, "St. Ivan Rilski" University Hospital, 1431 Sofia, Bulgaria
| | - Christo P Pentchev
- Faculty of Medicine, Medical University of Sofia, 1431 Sofia, Bulgaria
- Clinic of Gastroenterology, "St. Ivan Rilski" University Hospital, 1431 Sofia, Bulgaria
| | - Christian P Nolsøe
- Centre for Surgical Ultrasound, Department of Surgery, Zealand University Hospital, 4600 Køge, Denmark
- Institute for Clinical Medicine, University of Copenhagen, 2200 Copenhagen, Denmark
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2
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Jiao W, Gong X, Sun Y, Sang L, Ding X, Yu M. Ultrasound contrast agent assisted ultrasonography guidance percutaneous nephrostomy for non-hydronephrotic kidney. Ultrasound J 2024; 16:14. [PMID: 38386209 PMCID: PMC10884382 DOI: 10.1186/s13089-024-00362-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 02/11/2024] [Indexed: 02/23/2024] Open
Abstract
BACKGROUND Given the limited success rate and considerable challenges associated with conventional ultrasonography (US) guidance for percutaneous nephrostomy (PCN) in non-hydronephrotic kidneys, this study proposed a solution with ultrasound contrast agent to enhance the success rate and mitigate the difficulties. MATERIALS AND METHODS From January 2017 to August 2023, a total of thirteen patients diagnosed with non-hydronephrotic kidney were included in the study. Following routine ultrasonography examination, no significant dilatation of the renal collecting system was observed. US-guided percutaneous nephrostomy PCN was performed with the assistance of ultrasound contrast agent (UCA). The patients were subsequently monitored to assess the improvement of symptoms and postoperative recovery. RESULTS The success rate was found to be 100% for all patients (13/13) and kidneys (20/20). The average volume of UCA solution used was 19 ± 6.7 mL (range, 11-35 mL), while the mean duration of the operation was 18.92 ± 8.96 min (range, 7-36 min). A majority of the patients (12/13) underwent a single puncture procedure. Throughout the follow-up period, no serious complications were observed, and surgery resulted in significant alleviation of symptoms in all patients. CONCLUSION The use of UCA-assisted US guidance PCN has been shown to be effective in achieving urinary diversion and alleviating associated clinical symptoms in non-hydronephrotic kidneys. In comparison to traditional methods, this approach demonstrates a high success rate and safety profile, while also offering a simplified operative procedure. Consequently, it presents a novel method and concept for managing non-hydronephrotic kidneys afflicted by urine leakage.
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Affiliation(s)
- Weijie Jiao
- The Department of Ultrasound, Xijing Hospital, The Fourth Military Medical University, No.127 Changle West Rd, Xi'an, 710032, Shaanxi, China
| | - Xue Gong
- The Department of Ultrasound, Xijing Hospital, The Fourth Military Medical University, No.127 Changle West Rd, Xi'an, 710032, Shaanxi, China
| | - Yuanyuan Sun
- The Department of Ultrasound, Xijing Hospital, The Fourth Military Medical University, No.127 Changle West Rd, Xi'an, 710032, Shaanxi, China
| | - Lin Sang
- The Department of Ultrasound, Xijing Hospital, The Fourth Military Medical University, No.127 Changle West Rd, Xi'an, 710032, Shaanxi, China
| | - Xiaoying Ding
- The Department of Ultrasound, Xijing Hospital, The Fourth Military Medical University, No.127 Changle West Rd, Xi'an, 710032, Shaanxi, China
| | - Ming Yu
- The Department of Ultrasound, Xijing Hospital, The Fourth Military Medical University, No.127 Changle West Rd, Xi'an, 710032, Shaanxi, China.
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3
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Wang L, Li KP, Yin S, Yang L, Zhu PY. Contrast-enhanced ultrasound versus conventional ultrasound-guided percutaneous nephrolithotomy in patients with a non-dilated collecting system: results of a pooled analysis of randomized controlled trials. BMC Urol 2023; 23:93. [PMID: 37173693 PMCID: PMC10182632 DOI: 10.1186/s12894-023-01269-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 05/05/2023] [Indexed: 05/15/2023] Open
Abstract
BACKGROUND Contrast-enhanced ultrasound in percutaneous nephrolithotomy (CEUS-PCNL) is an economical and practical technique for the treatment of patients with renal stones without significant collecting system dilatation. The aim of this systematic review is to compare the safety and efficacy of CEUS-PCNL and conventional ultrasound (US)-guided (US-PCNL) treatment of patients with renal calculi without significant hydronephrosis. METHODS This review was conducted with strict adherence to the PRISMA guidelines. Comparative studies on CEUS-PCNL and US-PCNL published in PubMed, SinoMed, Google Scholar, Embase, and Web of science until March 1, 2023, were systematically searched. RevMan 5.1 software was used for meta-analysis. Pooled odds ratios (ORs), weight mean differences (WMDs) and standard mean differences (SMDs) with 95% confidence intervals (CIs) were calculated using the fixed-effects or random-effects model. Publication bias was evaluated using funnel plots. RESULTS Four randomized controlled trials involving 334 patients (168 with CEUS-guided PCNL and 166 with US-guided PCNL) were identified. There was no statistically significant difference between CEUS-guided PCNL and US-guided PCNL in terms of the operation time (SMD: - 0.14; 95% CI - 0.35 to 0.08; p = 0.21), minor complications (p = 0.48), major complications (p = 0.28) and overall complications (p = 0.25). However, CEUS-guided PCNL had a higher stone-free rate (OR: 2.22; 95% CI 1.2 to 4.12; p = 0.01), higher success rate of single-needle punctures (OR:3.29; 95% CI 1.82 to 5.95; p < 0.0001), shorter puncture time (SMD: - 1.35; 95% CI - 1.9 to - 0.79; p < 0.00001), shorter hospital stay (SMD: - 0.34; 95% CI - 0.55 to - 0.12; p = 0.002) and lesser hemoglobin loss (SMD: - 0.83; 95% CI - 1.06 to - 0.61; p < 0.00001) as compared with conventional US-guided PCNL. CONCLUSIONS According to almost all pooled data, CEUS-guided PCNL is superior to US-guided PCNL in terms of the perioperative outcomes. However, many rigorous clinical randomized controlled studies are required to obtain more accurate results. Registration The study protocol was registered with PROSPERO (CRD42022367060).
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Affiliation(s)
- Li Wang
- Department of Urology, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Kun-Peng Li
- Department of Urology, The Second Hospital of Lanzhou University, Lanzhou, China
| | - Shan Yin
- Department of Urology, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Lin Yang
- Department of Urology, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Ping-Yu Zhu
- Department of Urology, Affiliated Hospital of North Sichuan Medical College, Nanchong, China.
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4
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Song J, Yao Y, He Y, Lin S, Pan S, Zhong M. Contrast-Enhanced Ultrasonography Value for Early Prediction of Delayed Graft Function in Renal Transplantation Patients. JOURNAL OF ULTRASOUND IN MEDICINE : OFFICIAL JOURNAL OF THE AMERICAN INSTITUTE OF ULTRASOUND IN MEDICINE 2023; 42:201-210. [PMID: 35603734 DOI: 10.1002/jum.16010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 04/11/2022] [Accepted: 05/03/2022] [Indexed: 06/15/2023]
Abstract
OBJECTIVES Delayed graft function (DGF) is a common early complication after kidney transplantation. The aim of the present study was to evaluate the value of contrast-enhanced ultrasonography (CEUS) in the early prediction of DGF after kidney transplantation. METHODS A total of 89 renal transplant recipients were retrospectively enrolled and divided into DGF group or normal graft function (NGF) group according to the allograft function. Conventional Doppler ultrasound and CEUS examination data on the first postoperative day were collected and analyzed. RESULTS The resistive indices of segmental and interlobar artery in the DGF group were significantly higher than those in the NGF group (0.71 ± 0.17 versus 0.63 ± 0.08, P = .006; 0.70 ± 0.16 versus 0.62 ± 0.08, P = .004, respectively). The patients experiencing DGF had significantly lower PI-c (14.7 dB ± 6.1 dB versus 18.5 dB ± 3.3 dB, P = .001) and smaller AUC-c (779.8 ± 375.8 dB·seconds versus 991.0 ± 211.7 dB·seconds, P = .003), as well as significantly lower PI-m (12.6 dB ± 5.9 dB versus 15.9 dB ± 3.9 dB, P = .006), shorter MTT-m (30.7 ± 9.4 seconds versus 36.3 ± 7.1 seconds, P = .01), and smaller AUC-m (P = .007). Multivariate analysis demonstrated that PI-c, AUC-c, and MTT-m were independent risk factors for DGF. The area under the receiver operating characteristic curve values of the combined predicted value (PI-c + MTT-m, PI-c + AUC-c + MTT-m) of DGF incidence were bigger than that of PI-c, AUC-c, or MTT-m. CONCLUSIONS CEUS parameters of the cortex and medulla have a good value for an early prediction of DGF after renal transplantation.
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Affiliation(s)
- Jieqiong Song
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yao Yao
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yizhou He
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Shilong Lin
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Simeng Pan
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Ming Zhong
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
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5
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Del Cura JL, Del Cura G, Zabala R, Korta I. Contrast-enhanced ultrasonography to guide diagnostic and therapeutic interventional procedures. RADIOLOGIA 2022; 64:277-288. [PMID: 35676061 DOI: 10.1016/j.rxeng.2021.02.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Accepted: 02/08/2021] [Indexed: 11/18/2022]
Abstract
Although not necessary for the vast majority of ultrasound-guided procedures, intravenous contrast agents can be useful for procedures aimed at lesions that require contrast enhancement to be seen on ultrasonography. Using contrast-enhanced ultrasonography to guide procedures has two drawbacks: first, because enhancement from ultrasound contrast agents is short lived, it is often necessary to plan several injections; second, because the needle is poorly seen on contrast-enhanced ultrasonography, a dual image display format is necessary. Contrast-enhanced ultrasonography can be used for planning and monitoring diagnostic and therapeutic procedures, for guiding the procedures, and for follow-up. Using contrast-enhanced ultrasonography enables better results in both types of procedures; moreover, it can be used within cavities.
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Affiliation(s)
- J L Del Cura
- Servicio de Radiodiagnóstico, Hospital Universitario Donostia, Donostia-San Sebastián, Spain.
| | - G Del Cura
- Servicio de Radiodiagnóstico, Hospital Galdakao-Usansolo, Galdakao, Bizkaia, Spain
| | - R Zabala
- Servicio de Radiodiagnóstico, Hospital Universitario Basurto, Bilbao, Bizkaia, Spain
| | - I Korta
- Servicio de Radiodiagnóstico, Hospital Universitario Basurto, Bilbao, Bizkaia, Spain
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Sparchez Z, Mocan T, Craciun R, Sparchez M, Nolsøe C. Contrast enhancement for ultrasound-guided interventions: when to use it and what to expect? Ultrasonography 2022; 41:263-278. [PMID: 35073625 PMCID: PMC8942733 DOI: 10.14366/usg.21207] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Accepted: 12/09/2021] [Indexed: 02/01/2023] Open
Abstract
The use of contrast-enhanced ultrasonography (CEUS) has recently become synonymous with high-standard ultrasonography (US). From expanding the reach of US diagnostics to improving the precision of various invasive procedures, CEUS is rapidly becoming a standard in numerous niches. However, proficiency in CEUS comes with a cost, both from a learning curve and material standpoint, and as every growing field, lacks firm evidence and standardization. Therefore, in the current paper, we aim to provide an evidence-based review of available methods and to discuss the advantages and pitfalls of CEUS in interventional procedures, trying to provide strong evidence whenever available, or at least an educated expert opinion if data are lacking.
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Affiliation(s)
- Zeno Sparchez
- 3rd Medical Department, "Iuliu Hațieganu" University of Medicine and Pharmacy, Cluj-Napoca, Romania.,"Prof. Dr. O. Fodor" Regional Institute of Gastroenterology and Hepatology, Cluj-Napoca, Romania
| | - Tudor Mocan
- "Prof. Dr. O. Fodor" Regional Institute of Gastroenterology and Hepatology, Cluj-Napoca, Romania
| | - Rares Craciun
- 3rd Medical Department, "Iuliu Hațieganu" University of Medicine and Pharmacy, Cluj-Napoca, Romania.,"Prof. Dr. O. Fodor" Regional Institute of Gastroenterology and Hepatology, Cluj-Napoca, Romania
| | - Mihaela Sparchez
- Department of Pediatrics, "Iuliu Hațieganu" University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Christian Nolsøe
- Center for Surgical Ultrasound, Department of Surgery, Zealand University Hospital, Køge, Denmark.,Copenhagen Academy for Medical Education and Simulation (CAMES), University of Copenhagen and the Capital Region of Denmark, Copenhagen E, Denmark
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7
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Gebreselassie KH, Gebrehiwot FG, Hailu HE, Beyene AD, Hassen SM, Mummed FO, Issack FH. Emergency Decompression of Obstructive Uropathy Using Percutaneous Nephrostomy: Disease Pattern and Treatment Outcome at Two Urology Centers in Ethiopia. Open Access Emerg Med 2022; 14:15-24. [PMID: 35046735 PMCID: PMC8761074 DOI: 10.2147/oaem.s344744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Accepted: 12/21/2021] [Indexed: 11/23/2022] Open
Abstract
PURPOSE Obstructive uropathy (OU) is a potentially life-threatening urologic emergency that requires urgent decompression. Percutaneous nephrostomy (PCN) is a commonly performed procedure to decompress OU. The objective of this study is to assess disease patterns and treatment outcome at two urologic centers in Ethiopia. METHODS A cross-sectional study was conducted on 110 patients who underwent emergency PCN from October 1, 2019 to September 30, 2020. Data were collected by a retrospective chart review. SPSS 25 was used for analysis. Descriptive statistics and logistic regression were utilized to assess disease pattern and significant predictors. A p-value of <0.05 on multivariate logistic regression was considered statistically significant. RESULTS Females accounted for 70% of cases and mean age at presentation was 48 ± 12.9 years. Bilateral OU was diagnosed in 60% of patients and 77.3% of obstructions occurred at the level of the ureter. Malignancies were diagnosed in >80% of patients among which cervical cancer was the commonest (37.3%) followed by bladder cancer (17.3%). Acute kidney injury (AKI) accounted for 70% of the presenting indications for PCN. Success rate after emergency PCN was 75.5% and 41.8% of the cases developed post-procedure complications. Factors that predicted successful outcome include male gender [AOR = 5.72 (1.13-28.92), 95% CI; p = 0.035], severe hydronephrosis pre-operatively [AOR = 7.12 (1.32-38.45), 95% CI; p = 0.022], and use of combined imaging (ultrasound and fluoroscope) to guide PCN [AOR = 12.91 (1.13-46.54), 95% CI; p = 0.039]. On the other hand, postoperative complication is a negative predictor [AOR = 0.26 (0.08-0.86), 95% CI; p = 0.027]. CONCLUSION In this study, overall success of emergency PCN is low. Presence of severe hydronephrosis predicts technical ease and better outcome of PCN. Procedures performed under ultrasound and fluoroscope guidance also improve outcome. Postoperative complication rate is high in this study and mandates strict preventive measures as it predicts unfavorable outcome.
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Affiliation(s)
| | | | - Haimanot Ewnetu Hailu
- Department of Public Health, Saint Paul’s Hospital Millennium Medical College (SPHMMC), Addis Ababa, Ethiopia
| | - Andualem Deneke Beyene
- Department of Surgery, School of Medicine, College of Health Sciences, Addis Ababa University (AAU), Addis Ababa, Ethiopia
| | - Seid Mohammed Hassen
- Urology Unit, Department of Surgery, Saint Paul’s Hospital Millennium Medical College (SPHMMC), Addis Ababa, Ethiopia
| | - Ferid Ousman Mummed
- Urology Unit, Department of Surgery, Saint Paul’s Hospital Millennium Medical College (SPHMMC), Addis Ababa, Ethiopia
| | - Feysel Hassen Issack
- Urology Unit, Department of Surgery, Saint Paul’s Hospital Millennium Medical College (SPHMMC), Addis Ababa, Ethiopia
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Michels G, Horn R, Helfen A, Hagendorff A, Jung C, Hoffmann B, Jaspers N, Kinkel H, Greim CA, Knebel F, Bauersachs J, Busch HJ, Kiefl D, Spiel AO, Marx G, Dietrich CF. [Standardized contrast-enhanced ultrasound (CEUS) in clinical acute and emergency medicine and critical care (CEUS Acute) : Consensus statement of DGIIN, DIVI, DGINA, DGAI, DGK, ÖGUM, SGUM and DEGUM]. Med Klin Intensivmed Notfmed 2022; 117:1-23. [PMID: 35006320 DOI: 10.1007/s00063-021-00891-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
The present document describes the possible applications of contrast-enhanced ultrasound (CEUS) in emergency examinations. Guidelines on contrast medium ultrasound in acute and emergency care and intensive care medicine have not yet been published. Evidence-based CEUS guidelines were first provided by the European Federation of Societies for Ultrasound in Medicine and Biology (EFSUMB) and the World Federation for Ultrasound in Medicine and Biology (WFUMB). The presented recommendations describe the possible applications and protocols of CEUS in acute care.
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Affiliation(s)
- Guido Michels
- Klinik für Akut- und Notfallmedizin, St.-Antonius-Hospital gGmbH, Eschweiler, Deutschland. .,Klinik für Akut- und Notfallmedizin, St.-Antonius-Hospital gGmbH, Akademisches Lehrkrankenhaus der RWTH Aachen, Dechant-Deckers-Str. 8, 52249, Eschweiler, Deutschland.
| | - Rudolf Horn
- Center da sandà Val Müstair, Notfallmedizin, Sta. Maria Val Müstair, Schweiz
| | - Andreas Helfen
- St.-Marien-Hospital Lünen, Medizinische Klinik I, Katholisches Klinikum Lünen Werne GmbH, Lünen, Deutschland
| | - Andreas Hagendorff
- Klinik und Poliklinik für Kardiologie, Universitätsklinikum Leipzig, Leipzig, Deutschland
| | - Christian Jung
- Klinik für Kardiologie, Pneumologie und Angiologie, Universitätsklinikum Düsseldorf, Düsseldorf, Deutschland
| | - Beatrice Hoffmann
- Department of Emergency Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Natalie Jaspers
- Klinik für Gastroenterologie und Hepatologie, Universitätsklinikum Köln, Köln, Deutschland
| | - Horst Kinkel
- Praxis für Gastroenterologie, Düren, Deutschland
| | - Clemens-Alexander Greim
- Klinik für Anästhesiologie, Intensiv- und Notfallmedizin, Klinikum Fulda, Pacelliallee 4, 36043, Fulda, Deutschland
| | - Fabian Knebel
- Klinik für Innere Medizin, Sana Klinikum Lichtenberg, Berlin, Deutschland
| | - Johann Bauersachs
- Klinik für Kardiologie und Angiologie, Medizinische Hochschule Hannover, Hannover, Deutschland
| | - Hans-Jörg Busch
- Universitätsklinikum, Universitäts-Notfallzentrum, Albert-Ludwigs-Universität Freiburg, Freiburg, Deutschland
| | - Daniel Kiefl
- Klinik für Interdisziplinäre Notfallmedizin, Sana Klinikum Offenbach, Offenbach am Main, Deutschland
| | - Alexander O Spiel
- Klinik Ottakring, Zentrale Notaufnahme, Wiener Gesundheitsverbund, Wien, Österreich
| | - Gernot Marx
- Klinik für operative Intensivmedizin, Universitätsklinikum Aachen, Aachen, Deutschland
| | - Christoph F Dietrich
- Department für Allgemeine Innere Medizin Kliniken Hirslanden Beau Site, Salem und Permanence, Bern, Schweiz. .,Department Allgemeine Innere Medizin DAIM, Schänzlihalde 11, 3013, Bern, Schweiz.
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9
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Wang C, Calle P, Tran Ton NB, Zhang Z, Yan F, Donaldson AM, Bradley NA, Yu Z, Fung KM, Pan C, Tang Q. Deep-learning-aided forward optical coherence tomography endoscope for percutaneous nephrostomy guidance. BIOMEDICAL OPTICS EXPRESS 2021; 12:2404-2418. [PMID: 33996237 PMCID: PMC8086467 DOI: 10.1364/boe.421299] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 03/18/2021] [Accepted: 03/19/2021] [Indexed: 05/18/2023]
Abstract
Percutaneous renal access is the critical initial step in many medical settings. In order to obtain the best surgical outcome with minimum patient morbidity, an improved method for access to the renal calyx is needed. In our study, we built a forward-view optical coherence tomography (OCT) endoscopic system for percutaneous nephrostomy (PCN) guidance. Porcine kidneys were imaged in our experiment to demonstrate the feasibility of the imaging system. Three tissue types of porcine kidneys (renal cortex, medulla, and calyx) can be clearly distinguished due to the morphological and tissue differences from the OCT endoscopic images. To further improve the guidance efficacy and reduce the learning burden of the clinical doctors, a deep-learning-based computer aided diagnosis platform was developed to automatically classify the OCT images by the renal tissue types. Convolutional neural networks (CNN) were developed with labeled OCT images based on the ResNet34, MobileNetv2 and ResNet50 architectures. Nested cross-validation and testing was used to benchmark the classification performance with uncertainty quantification over 10 kidneys, which demonstrated robust performance over substantial biological variability among kidneys. ResNet50-based CNN models achieved an average classification accuracy of 82.6%±3.0%. The classification precisions were 79%±4% for cortex, 85%±6% for medulla, and 91%±5% for calyx and the classification recalls were 68%±11% for cortex, 91%±4% for medulla, and 89%±3% for calyx. Interpretation of the CNN predictions showed the discriminative characteristics in the OCT images of the three renal tissue types. The results validated the technical feasibility of using this novel imaging platform to automatically recognize the images of renal tissue structures ahead of the PCN needle in PCN surgery.
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Affiliation(s)
- Chen Wang
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, OK 73072, USA
- These authors contributed equally to this work
| | - Paul Calle
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, OK 73072, USA
- These authors contributed equally to this work
| | - Nu Bao Tran Ton
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, OK 73072, USA
| | - Zuyuan Zhang
- School of Computer Science, University of Oklahoma, Norman, OK 73072, USA
| | - Feng Yan
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, OK 73072, USA
| | - Anthony M Donaldson
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, OK 73072, USA
| | - Nathan A Bradley
- Department of Urology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | - Zhongxin Yu
- Children's Hospital, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | - Kar-Ming Fung
- Department of Pathology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
- Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | - Chongle Pan
- School of Computer Science, University of Oklahoma, Norman, OK 73072, USA
| | - Qinggong Tang
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, OK 73072, USA
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10
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Del Cura JL, Del Cura G, Zabala R, Korta I. Contrast-enhanced ultrasonography to guide diagnostic and therapeutic interventional procedures. RADIOLOGIA 2021; 64:S0033-8338(21)00067-9. [PMID: 33773773 DOI: 10.1016/j.rx.2021.02.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 01/23/2021] [Accepted: 02/08/2021] [Indexed: 10/21/2022]
Abstract
Although not necessary for the vast majority of ultrasound-guided procedures, intravenous contrast agents can be useful for procedures aimed at lesions that require contrast enhancement to be seen on ultrasonography. Using contrast-enhanced ultrasonography to guide procedures has two drawbacks: first, because enhancement from ultrasound contrast agents is short lived, it is often necessary to plan several injections; second, because the needle is poorly seen on contrast-enhanced ultrasonography, a dual image display format is necessary. Contrast-enhanced ultrasonography can be used for planning and monitoring diagnostic and therapeutic procedures, for guiding the procedures, and for follow-up. Using contrast-enhanced ultrasonography enables better results in both types of procedures; moreover, it can be used within cavities.
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Affiliation(s)
- J L Del Cura
- Servicio de Radiodiagnóstico, Hospital Universitario Donostia, Donostia-San Sebastián, España.
| | - G Del Cura
- Servicio de Radiodiagnóstico, Hospital Galdakao-Usansolo, Galdakao, Bizkaia, España
| | - R Zabala
- Servicio de Radiodiagnóstico, Hospital Universitario Basurto, Bilbao, Bizkaia, España
| | - I Korta
- Servicio de Radiodiagnóstico, Hospital Universitario Basurto, Bilbao, Bizkaia, España
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11
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Xia D, Peng E, Yu Y, Yang X, Liu H, Tong Y, Wang X, Xu H, Ye Z, Tang K, Chen Z. Comparison of contrast-enhanced ultrasound versus conventional ultrasound-guided percutaneous nephrolithotomy in patients with nondilated collecting system: a randomized controlled trial. Eur Radiol 2021; 31:6736-6746. [PMID: 33638020 DOI: 10.1007/s00330-021-07804-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 12/31/2020] [Accepted: 02/17/2021] [Indexed: 11/24/2022]
Abstract
OBJECTIVE To compare the safety, effectiveness, and feasibility of contrast-enhanced ultrasound (CEUS) versus conventional ultrasound-guided percutaneous nephrolithotomy (PCNL) in patients with nondilated collecting system. METHODS Between July 2018 and July 2020, 160 kidney stone patients with nondilated collecting system planned for PCNL were randomly assigned into two groups, CEUS with retrograde ureteral contrast injection and conventional ultrasound with retrograde ureteral normal saline injection. Patient's demographics, the success rate of puncture, success rate of a single-needle puncture, number of punctures, puncture time, perioperative outcomes, stone-free rate, and incidence of complications were compared. RESULTS The success rate of a single-needle puncture for CEUS-guided PCNL was higher than that in the conventional ultrasound group (88.5% vs. 73.7%, p = 0.02). Patients performed with CEUS-guided PCNL required less needle passes (p = 0.02), shorter needle puncture time (p = 0.031), and shorter channel establishment time (p = 0.04) than those guided with conventional ultrasound. The postoperative hemoglobin decrease in the CEUS-guided PCNL group was less than that of the control group (p = 0.02). There was no significant difference in operating time, length of hospital stays, kidney function change, and complications between the two groups (p > 0.05). The 1-month stone-free rate was 94.9% in the CEUS group and 90.8% in the control group (p > 0.05). CONCLUSIONS Compared with conventional ultrasound, CEUS-guided PCNL may facilitate ultrasound-guided PCNL for patients without hydronephrosis, and benefited with a higher success rate of a single-needle puncture, less needle passes, shorter puncture time, and lower postoperative Hb drop. TRIAL REGISTRATION Chinese Clinical Trial Registry: ChiCTR1800016981 KEY POINTS: • Compared with conventional ultrasound, CEUS-guided PCNL is a safe and efficacious procedure for kidney stone patients with nondilated collecting system. • Compared with conventional ultrasound, CEUS-guided PCNL benefited with a higher success rate of a single-needle puncture, less needle passes, shorter puncture time, and lower postoperative Hb drop. • CEUS-guided PCNL associated with the more accurate needle puncture and acceptable complications.
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Affiliation(s)
- Ding Xia
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Ejun Peng
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Yang Yu
- Department of Medical Ultrasound, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Xiaoqi Yang
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Hailang Liu
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Yonghua Tong
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Xinguang Wang
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Hua Xu
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Zhangqun Ye
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Kun Tang
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China. .,Hubei Institute of Urology, Wuhan, 430030, China.
| | - Zhiqiang Chen
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China. .,Hubei Institute of Urology, Wuhan, 430030, China.
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12
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Fetzer DT, Flanagan J, Nabhan A, Pongsatianwong K, Antonelli J, Pearle M, Vijay K, Watumull L. Impact of Implementing Contrast-Enhanced Ultrasound for Antegrade Nephrostogram After Percutaneous Nephrolithotomy. JOURNAL OF ULTRASOUND IN MEDICINE : OFFICIAL JOURNAL OF THE AMERICAN INSTITUTE OF ULTRASOUND IN MEDICINE 2021; 40:101-111. [PMID: 32639063 DOI: 10.1002/jum.15380] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 03/25/2020] [Accepted: 06/03/2020] [Indexed: 06/11/2023]
Abstract
OBJECTIVES To report results from a quality improvement (QI) project evaluating diagnostic performance, hospital resource use, and patient response data for postoperative contrast-enhanced ultrasound (CEUS) antegrade nephrostogram after percutaneous nephrolithotomy. METHODS For this Health Insurance Portability and Accountability Act-compliant, Institutional Review Board-approved study, QI data were deidentified and analyzed. On the first postoperative day after percutaneous nephrolithotomy, patients underwent both CEUS and fluoroscopic antegrade nephrostogram. For CEUS, 1.0 mL of Lumason (sulfur hexafluoride lipid type A microspheres; Bracco Diagnostics, Inc, Monroe Township, NJ) was injected via an indwelling nephrostomy tube, with ureteral patency confirmed by identifying intravesical ultrasound (US) contrast. Diagnostic performance for ureteral patency and contrast extravasation was calculated (with fluoroscopy as the reference standard). The examination time, room time, physician time, hospital costs, and patient response data were compared. The mean, standard deviation, 95% confidence interval, differences in mean, and 95% confidence interval of differences were calculated. RESULTS Eighty-one examinations were performed in 73 patients during the QI period. The sensitivity and specificity of CEUS for ureteral patency were 96% and 57%, respectively. There was no significant difference in time metrics between modalities, and the cost analysis showed lower direct and indirect costs for CEUS. Patient responses revealed lower levels of comfort for CEUS relative to fluoroscopy, without significant differences in reported pain or effort levels. CONCLUSIONS Contrast-enhanced US showed very high sensitivity for ureteral patency; the relatively low specificity may have resulted from false-negative results in fluoroscopy. The hospital costs and resource use of CEUS compared favorably to fluoroscopy. Contrast-enhanced US also offers inherent advantages, including portability and lack of ionizing radiation.
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Affiliation(s)
- David T Fetzer
- Department of Radiology, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Jennifer Flanagan
- Department of Radiology, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Ali Nabhan
- Department of Radiology, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Kim Pongsatianwong
- Imaging Services, University of Texas Southwestern Medical Center, William P. Clements Jr University Hospital, Dallas, Texas, USA
| | - Jodi Antonelli
- Department of Urology, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Margaret Pearle
- Department of Urology, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Kanupriya Vijay
- Department of Radiology, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Lori Watumull
- Department of Radiology, University of Texas Southwestern Medical Center, Dallas, Texas, USA
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13
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Guo X, Zhang Z, Liu Z, Fu H, Gao X, Yang H, Gao P, Li X, Ai W, He Z, Du D. Assessment of the Contrast-Enhanced Ultrasound in Percutaneous Nephrolithotomy for the Treatment of Patients with Nondilated Collecting System. J Endourol 2020; 35:436-443. [PMID: 32935565 DOI: 10.1089/end.2020.0564] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Purpose: To investigate the clinical value of contrast-enhanced ultrasound (CEUS) in percutaneous nephrolithotomy (PCNL) for kidney stone patients without hydronephrosis. Methods: Patients with nondilated collecting system kidney stones who underwent PCNL between October 2018 and December 2019 at our hospital were enrolled in this study. Patients who met the inclusion criteria were randomized into two groups: a CEUS-guided PCNL group and a conventional ultrasound (US)-guided PCNL group. The operation results of the two groups were compared, including the number of attempts for effective puncture, duration to effective puncture, stone clearance rate, blood loss, postoperative complications, and hospital stay. Results: Fifty-six patients with a nondilated collecting system who underwent PCNL for 60 kidneys were included in this study, including 4 patients who underwent bilateral PCNL due to bilateral renal stones. There were 30 kidneys in each group. All patients successfully underwent PCNL. The CEUS-guided PCNL group had more accurate punctures, with a higher effective rate of one puncture and shorter puncture time. There was no statistically significant difference in stone clearance rate between the two groups. Four cases of double channels were established in the conventional US-guided PCNL group, while there was only one case in the CEUS-guided PCNL group. In the CEUS-guided PCNL group, most cases (96.7%, 29/30) had no or only mild complications, which were significantly better than the conventional US-guided PCNL group (76.7%, 23/30). The mean postoperative hemoglobin loss in the CEUS-guided PCNL group was 9.5 (range 1-25) g/L, which was significantly lower than 15.5 (range 5-52) g/L in the conventional US-guided PCNL group. Conclusion: The CEUS technique can improve visibility of the nondilated renal collecting system, facilitate selection of suitable calix, and identify renal calix fornix. It also benefits needle placement in patients with a nondilated collecting system.
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Affiliation(s)
- Xiong Guo
- Department of Urology, The Second People's Hospital of China Three Gorges University, The Second People's Hospital of Yichang, Yichang, China
| | - Zhi Zhang
- Department of Urology, The Second People's Hospital of China Three Gorges University, The Second People's Hospital of Yichang, Yichang, China
| | - Zonglai Liu
- Department of Urology, The Second People's Hospital of China Three Gorges University, The Second People's Hospital of Yichang, Yichang, China
| | - Haibo Fu
- Department of Urology, The Second People's Hospital of China Three Gorges University, The Second People's Hospital of Yichang, Yichang, China
| | - Xiaozhan Gao
- Department of Ultrasound, The Second People's Hospital of China Three Gorges University, The Second People's Hospital of Yichang, Yichang, China
| | - Han Yang
- Department of Urology, The Second People's Hospital of China Three Gorges University, The Second People's Hospital of Yichang, Yichang, China
| | - Pan Gao
- Department of Urology, The Second People's Hospital of China Three Gorges University, The Second People's Hospital of Yichang, Yichang, China
| | - Xinyu Li
- Department of Urology, The Second People's Hospital of China Three Gorges University, The Second People's Hospital of Yichang, Yichang, China
| | - Wei Ai
- Department of Urology, The Second People's Hospital of China Three Gorges University, The Second People's Hospital of Yichang, Yichang, China
| | - Ziqiu He
- Department of Urology, The Second People's Hospital of China Three Gorges University, The Second People's Hospital of Yichang, Yichang, China
| | - Dan Du
- Department of Urology, The Second People's Hospital of China Three Gorges University, The Second People's Hospital of Yichang, Yichang, China
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14
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Dietrich CF, Nolsøe CP, Barr RG, Berzigotti A, Burns PN, Cantisani V, Chammas MC, Chaubal N, Choi BI, Clevert DA, Cui X, Dong Y, D'Onofrio M, Fowlkes JB, Gilja OH, Huang P, Ignee A, Jenssen C, Kono Y, Kudo M, Lassau N, Lee WJ, Lee JY, Liang P, Lim A, Lyshchik A, Meloni MF, Correas JM, Minami Y, Moriyasu F, Nicolau C, Piscaglia F, Saftoiu A, Sidhu PS, Sporea I, Torzilli G, Xie X, Zheng R. Guidelines and Good Clinical Practice Recommendations for Contrast Enhanced Ultrasound (CEUS) in the Liver - Update 2020 - WFUMB in Cooperation with EFSUMB, AFSUMB, AIUM, and FLAUS. ULTRASCHALL IN DER MEDIZIN (STUTTGART, GERMANY : 1980) 2020; 41:562-585. [PMID: 32707595 DOI: 10.1055/a-1177-0530] [Citation(s) in RCA: 113] [Impact Index Per Article: 28.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
The present, updated document describes the fourth iteration of recommendations for the hepatic use of contrast enhanced ultrasound (CEUS), first initiated in 2004 by the European Federation of Societies for Ultrasound in Medicine and Biology (EFSUMB). The previous updated editions of the guidelines reflected changes in the available contrast agents and updated the guidelines not only for hepatic but also for non-hepatic applications.The 2012 guideline requires updating as previously the differences of the contrast agents were not precisely described and the differences in contrast phases as well as handling were not clearly indicated. In addition, more evidence has been published for all contrast agents. The update also reflects the most recent developments in contrast agents, including the United States Food and Drug Administration (FDA) approval as well as the extensive Asian experience, to produce a truly international perspective.These guidelines and recommendations provide general advice on the use of ultrasound contrast agents (UCA) and are intended to create standard protocols for the use and administration of UCA in liver applications on an international basis to improve the management of patients.
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Affiliation(s)
- Christoph F Dietrich
- Department Allgemeine Innere Medizin (DAIM), Kliniken Hirslanden Beau Site, Salem und Permanence, Bern, Switzerland
- Johann Wolfgang Goethe Universitätsklinik Frankfurt, Germany
| | - Christian Pállson Nolsøe
- Center for Surgical Ultrasound, Dep of Surgery, Zealand University Hospital, Køge. Copenhagen Academy for Medical Education and Simulation (CAMES). University of Copenhagen, Denmark
| | - Richard G Barr
- Department of Radiology, Northeastern Ohio Medical University, Rootstown, Ohio, USA and Southwoods Imaging, Youngstown, Ohio, USA
| | - Annalisa Berzigotti
- Hepatology, University Clinic for Visceral Surgery and Medicine, DBMR, Inselspital, University of Bern, Switzerland
| | - Peter N Burns
- Dept Medical Biophysics, University of Toronto, Imaging Research, Sunnybrook Research Institute, Toronto
| | - Vito Cantisani
- Uos Ecografia Internistico-chirurgica, Dipartimento di Scienze Radiologiche, Oncologiche, Anatomo-Patologiche, Policlinico Umberto I, Univ. Sapienza, Rome, Italy
| | - Maria Cristina Chammas
- Institute of Radiology, Hospital das Clínicas, School of Medicine, University of São Paulo, Brazil
| | - Nitin Chaubal
- Thane Ultrasound Centre, Jaslok Hospital and Research Centre, Mumbai, India
| | - Byung Ihn Choi
- Department of Radiology, Chung-Ang University Hospital, Seoul, Korea
| | - Dirk-André Clevert
- Interdisciplinary Ultrasound-Center, Department of Radiology, University of Munich-Grosshadern Campus, Munich, Germany
| | - Xinwu Cui
- Department of Medical Ultrasound, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan China
| | - Yi Dong
- Department of Ultrasound, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Mirko D'Onofrio
- Department of Radiology, G.B. Rossi University Hospital, University of Verona, Verona, Italy
| | - J Brian Fowlkes
- Basic Radiological Sciences Division, Department of Radiology, University of Michigan Health System, Ann Arbor, MI, United States
| | - Odd Helge Gilja
- National Centre for Ultrasound in Gastroenterology, Haukeland University Hospital, Bergen, and Department of Clinical Medicine, University of Bergen, Norway
| | - Pintong Huang
- Department of Ultrasound in Medicine, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Andre Ignee
- Department of Internal Medicine 2, Caritas Krankenhaus, Bad Mergentheim, Germany
| | - Christian Jenssen
- Krankenhaus Märkisch Oderland, Department of Internal Medicine, Strausberg/Wriezen, Germany
| | - Yuko Kono
- Departments of Medicine and Radiology, University of California, San Diego, USA
| | - Masatoshi Kudo
- Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, Osaka, Japan
| | - Nathalie Lassau
- Imaging Department. Gustave Roussy and BIOMAPS. Université Paris-Saclay, Villejuif, France
| | - Won Jae Lee
- Department of Radiology and Center For Imaging Science, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea. Departments of Health and Science and Technology and Medical Device Management and Research, Samsung Advanced Institute for Health Science and Technology, Sungkyunkwan University, Seoul, Korea
| | - Jae Young Lee
- Department of Radiology, Seoul National University College of Medicine, Seoul, Korea
| | - Ping Liang
- Department of Interventional Ultrasound, Chinese PLA General Hospital, Beijing, China
| | - Adrian Lim
- Department of Imaging, Imperial College London and Healthcare NHS Trust, Charing Cross Hospital Campus, London United Kingdom
| | - Andrej Lyshchik
- Department of Radiology, Thomas Jefferson University Hospital, Philadelphia, PA, United States
| | | | - Jean Michel Correas
- Service de Radiologie Adultes, Hôpital Necker, Université Paris Descartes, Paris, France
| | - Yasunori Minami
- Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, Osaka, Japan
| | - Fuminori Moriyasu
- Center for Cancer Ablation Therapy, Sanno Hospital, International University of Health and Welfare, Tokyo, Japan
| | - Carlos Nicolau
- Radiology Department, Hospital Clinic. University of Barcelona, Barcelona, Spain
| | - Fabio Piscaglia
- Unit of Internal Medicine, Dept of Medical and Surgical Sciences, University of Bologna S. Orsola-Malpighi Hospital, Bologna, Italy
| | - Adrian Saftoiu
- Research Center of Gastroenterology and Hepatology Craiova, University of Medicine and Pharmacy Craiova, Romania
| | - Paul S Sidhu
- Department of Radiology, King's College Hospital, King's College London, London
| | - Ioan Sporea
- Department of Gastroenterology and Hepatology, University of Medicine and Pharmacy "Victor Babes", Timisoara, Romania
| | - Guido Torzilli
- Department of Surgery, Division of Hepatobiliary & General Surgery, Humanitas University & Research Hospital, Rozzano, Milano, Italy
| | - Xiaoyan Xie
- Department of Medical Ultrasonics, Institute of Diagnostic and Interventional Ultrasound, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Rongqin Zheng
- Department of Ultrasound, The 3rd Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
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15
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Dietrich CF, Nolsøe CP, Barr RG, Berzigotti A, Burns PN, Cantisani V, Chammas MC, Chaubal N, Choi BI, Clevert DA, Cui X, Dong Y, D'Onofrio M, Fowlkes JB, Gilja OH, Huang P, Ignee A, Jenssen C, Kono Y, Kudo M, Lassau N, Lee WJ, Lee JY, Liang P, Lim A, Lyshchik A, Meloni MF, Correas JM, Minami Y, Moriyasu F, Nicolau C, Piscaglia F, Saftoiu A, Sidhu PS, Sporea I, Torzilli G, Xie X, Zheng R. Guidelines and Good Clinical Practice Recommendations for Contrast-Enhanced Ultrasound (CEUS) in the Liver-Update 2020 WFUMB in Cooperation with EFSUMB, AFSUMB, AIUM, and FLAUS. ULTRASOUND IN MEDICINE & BIOLOGY 2020; 46:2579-2604. [PMID: 32713788 DOI: 10.1016/j.ultrasmedbio.2020.04.030] [Citation(s) in RCA: 211] [Impact Index Per Article: 52.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 04/16/2020] [Accepted: 04/24/2020] [Indexed: 05/14/2023]
Abstract
The present, updated document describes the fourth iteration of recommendations for the hepatic use of contrast-enhanced ultrasound, first initiated in 2004 by the European Federation of Societies for Ultrasound in Medicine and Biology. The previous updated editions of the guidelines reflected changes in the available contrast agents and updated the guidelines not only for hepatic but also for non-hepatic applications. The 2012 guideline requires updating as, previously, the differences in the contrast agents were not precisely described and the differences in contrast phases as well as handling were not clearly indicated. In addition, more evidence has been published for all contrast agents. The update also reflects the most recent developments in contrast agents, including U.S. Food and Drug Administration approval and the extensive Asian experience, to produce a truly international perspective. These guidelines and recommendations provide general advice on the use of ultrasound contrast agents (UCAs) and are intended to create standard protocols for the use and administration of UCAs in liver applications on an international basis to improve the management of patients.
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Affiliation(s)
- Christoph F Dietrich
- Department Allgemeine Innere Medizin (DAIM), Kliniken Hirslanden Beau Site, Salem und Permanence, Bern, Switzerland; Johann Wolfgang Goethe Universitätsklinik, Frankfurt, Germany.
| | - Christian Pállson Nolsøe
- Center for Surgical Ultrasound, Dep of Surgery, Zealand University Hospital, Køge. Copenhagen Academy for Medical Education and Simulation (CAMES). University of Copenhagen, Denmark
| | - Richard G Barr
- Department of Radiology, Northeastern Ohio Medical University, Rootstown, Ohio, USA; Southwoods Imaging, Youngstown, Ohio, USA
| | - Annalisa Berzigotti
- Hepatology, University Clinic for Visceral Surgery and Medicine, DBMR, Inselspital, University of Bern, Switzerland
| | - Peter N Burns
- Department of Medical Biophysics, University of Toronto, Imaging Research, Sunnybrook Research Institute, Toronto, Ontario, Canada
| | - Vito Cantisani
- Uos Ecografia Internistico-chirurgica, Dipartimento di Scienze Radiologiche, Oncologiche, Anatomo-Patologiche, Policlinico Umberto I, Univ. Sapienza, Rome, Italy
| | - Maria Cristina Chammas
- Institute of Radiology, Hospital das Clínicas, School of Medicine, University of São Paulo, Brazil
| | - Nitin Chaubal
- Thane Ultrasound Centre, Jaslok Hospital and Research Centre, Mumbai, India
| | - Byung Ihn Choi
- Department of Radiology, Chung-Ang University Hospital, Seoul, Korea
| | - Dirk-André Clevert
- Interdisciplinary Ultrasound-Center, Department of Radiology, University of Munich-Grosshadern Campus, Munich, Germany
| | - Xinwu Cui
- Department of Medical Ultrasound, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yi Dong
- Department of Ultrasound, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Mirko D'Onofrio
- Department of Radiology, G. B. Rossi University Hospital, University of Verona, Verona, Italy
| | - J Brian Fowlkes
- Basic Radiological Sciences Division, Department of Radiology, University of Michigan Health System, Ann Arbor, Michigan, USA
| | - Odd Helge Gilja
- National Centre for Ultrasound in Gastroenterology, Haukeland University Hospital, Bergen, and Department of Clinical Medicine, University of Bergen, Norway
| | - Pintong Huang
- Department of Ultrasound in Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Andre Ignee
- Department of Internal Medicine 2, Caritas Krankenhaus, Bad Mergentheim, Germany
| | - Christian Jenssen
- Krankenhaus Märkisch Oderland, Department of Internal Medicine, Strausberg/Wriezen, Germany
| | - Yuko Kono
- Departments of Medicine and Radiology, University of California, San Diego, California, USA
| | - Masatoshi Kudo
- Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, Osaka, Japan
| | - Nathalie Lassau
- Imaging Department, Gustave Roussy and BIOMAPS, Université Paris-Saclay, Villejuif, France
| | - Won Jae Lee
- Department of Radiology and Center for Imaging Science, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Departments of Health and Science and Technology and Medical Device Management and Research, Samsung Advanced Institute for Health Science and Technology, Sungkyunkwan University, Seoul, Korea
| | - Jae Young Lee
- Department of Radiology, Seoul National University College of Medicine, Seoul, Korea
| | - Ping Liang
- Department of Interventional Ultrasound, Chinese PLA General Hospital, Beijing, China
| | - Adrian Lim
- Department of Imaging, Imperial College London and Healthcare NHS Trust, Charing Cross Hospital Campus, London, United Kingdom
| | - Andrej Lyshchik
- Department of Radiology, Thomas Jefferson University Hospital, Philadelphia, PA, USA
| | | | - Jean Michel Correas
- Service de Radiologie Adultes, Hôpital Necker, Université Paris Descartes, Paris, France
| | - Yasunori Minami
- Department of Gastroenterology and Hepatology, Faculty of Medicine, Kindai University, Osaka, Japan
| | - Fuminori Moriyasu
- Center for Cancer Ablation Therapy, Sanno Hospital, International University of Health and Welfare, Tokyo, Japan
| | - Carlos Nicolau
- Radiology Department, Hospital Clinic. University of Barcelona, Barcelona, Spain
| | - Fabio Piscaglia
- Unit of Internal Medicine, Department of Medical and Surgical Sciences, University of Bologna S. Orsola-Malpighi Hospital, Bologna, Italy
| | - Adrian Saftoiu
- Research Center of Gastroenterology and Hepatology Craiova, University of Medicine and Pharmacy Craiova, Romania
| | - Paul S Sidhu
- Department of Radiology, King's College Hospital, King's College London, London, United Kingdom
| | - Ioan Sporea
- Department of Gastroenterology and Hepatology, University of Medicine and Pharmacy "Victor Babes", Timisoara, Romania
| | - Guido Torzilli
- Department of Surgery, Division of Hepatobiliary & General Surgery, Humanitas University & Research Hospital, Rozzano, Milan, Italy
| | - Xiaoyan Xie
- Department of Medical Ultrasonics, Institute of Diagnostic and Interventional Ultrasound, First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Rongqin Zheng
- Department of Ultrasound, Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
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16
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Kessner R, Nakamoto DA, Kondray V, Partovi S, Ahmed Y, Azar N. Contrast-Enhanced Ultrasound Guidance for Interventional Procedures. JOURNAL OF ULTRASOUND IN MEDICINE : OFFICIAL JOURNAL OF THE AMERICAN INSTITUTE OF ULTRASOUND IN MEDICINE 2019; 38:2541-2557. [PMID: 30714653 DOI: 10.1002/jum.14955] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Accepted: 01/03/2019] [Indexed: 06/09/2023]
Abstract
Since its introduction, contrast-enhanced ultrasound (CEUS) has gained an important role in the diagnosis and management of abdominal and pelvic diseases. Contrast-enhanced ultrasound can improve lesion detection rates as well as success rates of interventional procedures when compared to conventional ultrasound alone. Additionally, CEUS enables the interventionalist to assess the dynamic enhancement of different tissues and lesions, without the adverse effects of contrast-enhanced computed tomography, such as exposure to ionizing radiation and nephrotoxicity from iodinated contrast material. This review article describes the various applications and advantages of the use of CEUS to enhance performance of ultrasound-guided interventions in the abdomen and pelvis.
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Affiliation(s)
- Rivka Kessner
- Department of Radiology, University Hospitals Cleveland Medical Center, Case Western Reserve University, Cleveland, Ohio, USA
| | - Dean A Nakamoto
- Department of Radiology, University Hospitals Cleveland Medical Center, Case Western Reserve University, Cleveland, Ohio, USA
| | - Victor Kondray
- Department of Radiology, University Hospitals Cleveland Medical Center, Case Western Reserve University, Cleveland, Ohio, USA
| | - Sasan Partovi
- Department of Radiology, University Hospitals Cleveland Medical Center, Case Western Reserve University, Cleveland, Ohio, USA
| | - Yasmine Ahmed
- Department of Radiology, University Hospitals Cleveland Medical Center, Case Western Reserve University, Cleveland, Ohio, USA
| | - Nami Azar
- Department of Radiology, University Hospitals Cleveland Medical Center, Case Western Reserve University, Cleveland, Ohio, USA
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17
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Nguyen DD, Luo JW, Tailly T, Bhojani N. Percutaneous Nephrolithotomy Access: A Systematic Review of Intraoperative Assistive Technologies. J Endourol 2019; 33:358-368. [DOI: 10.1089/end.2019.0085] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Affiliation(s)
| | - Jack W. Luo
- Faculty of Medicine, McGill University, Montreal, Canada
| | - Thomas Tailly
- Urology Department, University Hospital Ghent, Ghent, Belgium
| | - Naeem Bhojani
- Division of Urology, University of Montreal Health Center (CHUM), Montreal, Canada
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Contrast-enhanced ultrasound (CEUS) nephrostogram: utility and accuracy as an alternative to fluoroscopic imaging of the urinary tract. Clin Radiol 2018; 74:167.e9-167.e16. [PMID: 30415765 DOI: 10.1016/j.crad.2018.10.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Accepted: 10/10/2018] [Indexed: 12/19/2022]
Abstract
AIM To establish the feasibility and accuracy of contrast-enhanced ultrasound (CEUS) nephrostogram in comparison to the reference standard, fluoroscopic nephrostogram, in providing alternative imaging of the urinary tract post-nephrostomy insertion. MATERIALS AND METHODS This prospective study was approved by the institutional and national ethics committee. All patients for whom a fluoroscopic nephrostogram was requested were included. Fluoroscopic and CEUS nephrostograms were performed within 24 hours. Image analysis (nephrostomy position, opacification of pelvicalyceal system, ureter, and bladder) was performed by two reviewers, and the diagnostic accuracy of the CEUS nephrostograms was compared to fluoroscopic nephrostograms. RESULTS Sixty-two nephrostograms were performed in 48 patients from June 2011 to April 2016, (male: 25/48, 52.1%; mean age 65 years, range 28-90 years). Indications for nephrostomy were: malignancy (29/62; 46.8%), benign ureteric stricture (14/62; 22.6%), urinary diversion (8/62; 12.9%), renal calculus (5/62; 8.1%), haematoma (3/62; 4.8%) or pelvi-ureteric junction obstruction (3/62; 4.8%). Two nephrostomies were identified as displaced by both techniques. The pelvicalyceal system was visualised in 60/60 (100%) examinations in both fluoroscopic and CEUS nephrostograms. The entire ureter was visualised in 30/60 (50%) with CEUS compared to 32/60 (53.3%) fluoroscopically. The distal ureter was the least well-visualised segment for both techniques with no significant difference (p=0.815). Both CEUS and fluoroscopy could be used to correctly identify complications including entero-ureteric fistula or urine leak. Fluoroscopic nephrostogram demonstrated drainage into the bladder in 33/60 (55%), CEUS confirmed drainage in 34/60 (56.7%) cases (p=0.317). CONCLUSIONS CEUS nephrostogram can determine the correct positioning of a nephrostomy and assess drainage into the bladder with statistically comparable results to fluoroscopy.
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Nolsøe CP, Nolsøe AB, Klubien J, Pommergaard HC, Rosenberg J, Meloni MF, Lorentzen T. Use of Ultrasound Contrast Agents in Relation to Percutaneous Interventional Procedures: A Systematic Review and Pictorial Essay. JOURNAL OF ULTRASOUND IN MEDICINE : OFFICIAL JOURNAL OF THE AMERICAN INSTITUTE OF ULTRASOUND IN MEDICINE 2018; 37:1305-1324. [PMID: 29230842 DOI: 10.1002/jum.14498] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Revised: 08/28/2017] [Accepted: 09/08/2017] [Indexed: 06/07/2023]
Abstract
The aim of this article is to provide an inventory of the use of contrast-enhanced ultrasound (CEUS) in relation to percutaneous interventional procedures. The article is structured into a systematic literature review followed by a clinical part relating to percutaneous CEUS-guided procedures. A literature search identified 3109 records. After abstract screening, 55 articles were analyzed and supplemented with pictorial material to explain the techniques. In conclusion, the best-evidenced indications for CEUS-guided interventions are biopsy and ablation of inconspicuous or B-mode-invisible tumors, intraprocedural ablation control and follow-up, as well as percutaneous transhepatic cholangiography and drainage procedures.
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Affiliation(s)
- Christian Pállson Nolsøe
- Ultrasound Section, Division of Surgery, Department of Gastroenterology, Herlev Hospital, and Copenhagen Academy for Medical Education and Simulation, University of Copenhagen, Herlev, Denmark
| | - Alexander Bjørneboe Nolsøe
- Center for Perioperative Optimization, Department of Surgery, Herlev Hospital, and Copenhagen Academy for Medical Education and Simulation, University of Copenhagen, Herlev, Denmark
| | - Jeanett Klubien
- Center for Perioperative Optimization, Department of Surgery, Herlev Hospital, and Copenhagen Academy for Medical Education and Simulation, University of Copenhagen, Herlev, Denmark
| | - Hans-Christian Pommergaard
- Department of Surgical Gastroenterology and Transplantation, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Jacob Rosenberg
- Center for Perioperative Optimization, Department of Surgery, Herlev Hospital, and Copenhagen Academy for Medical Education and Simulation, University of Copenhagen, Herlev, Denmark
| | - Maria Franca Meloni
- Interventional Ultrasound Section, Department of Radiology, Institute of Care Igea, Milan, Italy
- University of Wisconsin Hospital and Clinics, Madison, Wisconsin, USA
| | - Torben Lorentzen
- Ultrasound Section, Division of Surgery, Department of Gastroenterology, Herlev Hospital, University of Copenhagen, Herlev, Denmark
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Abstract
The introduction of ultrasound contrast agents has rendered contrast-enhanced ultrasound (CEUS) a valuable complementary technique to address clinically significant problems. This pictorial review describes the use of CEUS guidance in abdominal intervention and illustrates such application for a range of clinical indications. Clinical application of CEUS discussed include commonly performed abdominal interventional procedures, such as biopsy, drainage, nephrostomy, biliary intervention, abdominal tumor ablation and its subsequent monitoring, and imaging of vascular complications following abdominal intervention. The purpose of this article is to further familiarize readers with the application of CEUS, particularly its specific strength over alternative imaging modalities, in abdominal intervention.
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21
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Dietrich CF, Averkiou M, Nielsen MB, Barr RG, Burns PN, Calliada F, Cantisani V, Choi B, Chammas MC, Clevert DA, Claudon M, Correas JM, Cui XW, Cosgrove D, D'Onofrio M, Dong Y, Eisenbrey J, Fontanilla T, Gilja OH, Ignee A, Jenssen C, Kono Y, Kudo M, Lassau N, Lyshchik A, Franca Meloni M, Moriyasu F, Nolsøe C, Piscaglia F, Radzina M, Saftoiu A, Sidhu PS, Sporea I, Schreiber-Dietrich D, Sirlin CB, Stanczak M, Weskott HP, Wilson SR, Willmann JK, Kim TK, Jang HJ, Vezeridis A, Westerway S. How to perform Contrast-Enhanced Ultrasound (CEUS). Ultrasound Int Open 2018; 4:E2-E15. [PMID: 29423461 PMCID: PMC5802984 DOI: 10.1055/s-0043-123931] [Citation(s) in RCA: 185] [Impact Index Per Article: 30.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Revised: 11/27/2017] [Accepted: 11/29/2017] [Indexed: 02/06/2023] Open
Abstract
"How to perform contrast-enhanced ultrasound (CEUS)" provides general advice on the use of ultrasound contrast agents (UCAs) for clinical decision-making and reviews technical parameters for optimal CEUS performance. CEUS techniques vary between centers, therefore, experts from EFSUMB, WFUMB and from the CEUS LI-RADS working group created a discussion forum to standardize the CEUS examination technique according to published evidence and best personal experience. The goal is to standardise the use and administration of UCAs to facilitate correct diagnoses and ultimately to improve the management and outcomes of patients.
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Affiliation(s)
- Christoph F. Dietrich
- Caritas-Krankenhaus, Medizinische Klinik 2, Bad Mergentheim, Germany and Ultrasound Department, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | | | | | - Richard G. Barr
- Radiology, Northeastern Ohio Medical University, Rootstown, United States
| | - Peter N. Burns
- Dept Medical Biophysics, University of Toronto. Sunnybrook Research Institute, Toronto, Canada
| | - Fabrizio Calliada
- Policlinico San Matteo, University of Pavia, Department of Radiology, Pavia, Italy
| | - Vito Cantisani
- Department of Radiology, "Sapienza" University of Rome, ROME, Italy
| | - Byung Choi
- Department of Radiology, Chung-Ang University Hosptial, Seoul, Korea (the Republic of)
| | - Maria C. Chammas
- Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, Instituto de Radiologia, São Paulo, Brazil
| | - Dirk-André Clevert
- Department of Clinical Radiology, University of Munich-Grosshadern Campus, Munich, Germany
| | - Michel Claudon
- Department of Pediatric Radiology, Centre Hospitalier Universitaire de Nancy and Université de Lorraine, Vandoeuvre, France
| | - Jean-Michel Correas
- Hopital universitaire Necker-Enfants malades, Service de Radiologie Adultes, Paris, France
| | - Xin-Wu Cui
- Department of Medical Ultrasound, Tongji Hospital of Tongji Medical college, Huahzong University of Science and technology, Wuhan, China
| | - David Cosgrove
- Imperial College London, Imaging, London, United Kingdom of Great Britain and Northern Ireland
| | | | - Yi Dong
- Department of Ultrasound, Zhongshan Hospital, Fudan University, 200032 Shanghai, China
| | - JohnR. Eisenbrey
- Department of Radiology, Thomas Jefferson University, Philadelphia, United States
| | - Teresa Fontanilla
- Radiology, Hospital Universitario Puerta del Hierro Majadahonda, Majadahonda, Spain
| | - Odd Helge Gilja
- National Centre for Ultrasound in Gastroenterology, Haukeland University Hospital, Bergen and Department of Clinical Medicine, University of Bergen, Norway
| | - Andre Ignee
- Department of Medical Ultrasound, Tongji Hospital of Tongji Medical college, Huahzong University of Science and technology, Wuhan, China
| | - Christian Jenssen
- Krankenhaus Märkisch Oderland Strausberg/ Wriezen, Klinik für Innere Medizin, Wriezen, Germany
| | - Yuko Kono
- Department of Medicine and Radiology, University of California, San Diego, United States
| | - Masatoshi Kudo
- Kinki Daigaku Igakubu, Department Gastroenterology and Hepatology, Osakasayama, Osaka, Japan
| | - Nathalie Lassau
- Gustave Roussy and IR4MUMR8081. Université Paris-Sud, Université Paris-Saclay, Radiology, Paris, France
| | - Andrej Lyshchik
- Department of Radiology, Thomas Jefferson University, Philadelphia, United States
| | - Maria Franca Meloni
- Radiology Department of Interventional Ultrasound - Casa di cura Igea- Milano, Italy
| | - Fuminori Moriyasu
- Sanno Hospital,International University of Helth and Welfare, Center for Cancer Ablation Therapy, Tokyo, Japan
| | - Christian Nolsøe
- Ultrasound Section, Division of Surgery, Dep. of Gastroenterology, Herlev Hospital Copenhagen Academy for Medical Education and Simulation (CAMES), University of Copenhagen, Denmark
| | - Fabio Piscaglia
- Div. Internal Medicine, Dept of Medical and Surgical Sciences, Bologna, Italy
| | - Maija Radzina
- P.Stradina Clinical University Hospital, Diagnosic Radiology Institute, Riga, Latvia
| | - Adrian Saftoiu
- Research Center of Gastroenterology and Hepatology, University of Medicine and Pharmacy of Craiova, Craiova, Romania
| | - Paul S. Sidhu
- King's College London, Radiology, London, United Kingdom of Great Britain and Northern Ireland
| | - Ioan Sporea
- Gastroenterology, University of Medicine and Pharmacy Timisoara, Timisoara, Romania
| | | | - Claude B. Sirlin
- Liver Imaging Grup, University of California, Department of Radiology, San Diego, United States
| | - Maria Stanczak
- Department of Radiology, Thomas Jefferson University, Philadelphia, United States
| | | | - Stephanie R. Wilson
- Department of Radiology, Foothills Medical Centre University of Calgary, Division of Ultrasound, Calgary, Canada
| | | | - Tae Kyoung Kim
- Department of Medical Imaging, University of Toronto, Toronto, Canada
| | - Hyun-Jung Jang
- Department of Medical Imaging, University of Toronto, Toronto, Canada
| | | | - Sue Westerway
- Ultrasound, Charles Sturt University NSW Australia, NSW, Australia
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Liu BX, Huang GL, Xie XH, Zhuang BW, Xie XY, Lu MD. Contrast-enhanced US-assisted Percutaneous Nephrostomy: A Technique to Increase Success Rate for Patients with Nondilated Renal Collecting System. Radiology 2017; 285:293-301. [PMID: 28467143 DOI: 10.1148/radiol.2017161604] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Purpose To perform a single-center study of contrast material-enhanced ultrasonography (US)-assisted percutaneous nephrostomy (PCN) for patients with nondilated renal collecting system. Materials and Methods An international review board approved this retrospective study with waiver of informed consent for participation, and the study was approved by the Ethical Committee. From November 2011 to September 2015, 47 patients (mean age, 51.9 years ± 16.2 [standard deviation]; range, 18-80 years) with clinical necessity of urinary drainage, urinary diversion, or provision of access to the collecting system and with nondilated renal collecting system who underwent contrast-enhanced US-assisted PCN for 48 kidneys were included. US contrast agent was injected through the puncture needle and the drainage catheter to confirm successful PCN. The technical success rate and complications were evaluated. Relative frequencies with 95% confidence intervals (CIs) were calculated. Results The technical success rate was 100% (47 of 47, 95% CI: 93.8%, 100%) per patient and 100% (48 of 48, 95% CI: 94.0%, 100%) per kidney. For each kidney, the mean number of needle passes was 1.4 ± 0.5 (range, 1-3). The mean duration of the complete procedure was 18.9 minutes ± 4.8 (range, 8-30 minutes). The mean dose of contrast agent was 12.9 mL ± 3.2 (range, 8-25 mL). No major complications were observed. After a follow-up of 1-30 days (mean, 18.4 days ± 10.3), only four patients (four of 47, 8.5%, 95% CI: 2.37%, 20.4%) had minor complications, including one perirenal hematoma seen at US 9 days after the procedure and three patients with transient macroscopic hematuria that lasted 1-2 days. Conclusion Contrast-enhanced US-assisted PCN in patients with nondilated renal collecting system is valuable with high technical success rate. © RSNA, 2017.
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Affiliation(s)
- Bao X Liu
- From the Department of Medical Ultrasonics, Division of Interventional Ultrasound, Institute of Diagnostic and Interventional Ultrasound (B.X.L., G.L.H., X.H.X., B.W.Z., X.Y.X., M.D.L.), and Department of Liver Surgery (M.D.L.), the First Affiliated Hospital, Sun Yat-Sen University, 58 Zhong Shan Road 2, Guangzhou 510080, China
| | - Guang L Huang
- From the Department of Medical Ultrasonics, Division of Interventional Ultrasound, Institute of Diagnostic and Interventional Ultrasound (B.X.L., G.L.H., X.H.X., B.W.Z., X.Y.X., M.D.L.), and Department of Liver Surgery (M.D.L.), the First Affiliated Hospital, Sun Yat-Sen University, 58 Zhong Shan Road 2, Guangzhou 510080, China
| | - Xiao H Xie
- From the Department of Medical Ultrasonics, Division of Interventional Ultrasound, Institute of Diagnostic and Interventional Ultrasound (B.X.L., G.L.H., X.H.X., B.W.Z., X.Y.X., M.D.L.), and Department of Liver Surgery (M.D.L.), the First Affiliated Hospital, Sun Yat-Sen University, 58 Zhong Shan Road 2, Guangzhou 510080, China
| | - Bo W Zhuang
- From the Department of Medical Ultrasonics, Division of Interventional Ultrasound, Institute of Diagnostic and Interventional Ultrasound (B.X.L., G.L.H., X.H.X., B.W.Z., X.Y.X., M.D.L.), and Department of Liver Surgery (M.D.L.), the First Affiliated Hospital, Sun Yat-Sen University, 58 Zhong Shan Road 2, Guangzhou 510080, China
| | - Xiao Y Xie
- From the Department of Medical Ultrasonics, Division of Interventional Ultrasound, Institute of Diagnostic and Interventional Ultrasound (B.X.L., G.L.H., X.H.X., B.W.Z., X.Y.X., M.D.L.), and Department of Liver Surgery (M.D.L.), the First Affiliated Hospital, Sun Yat-Sen University, 58 Zhong Shan Road 2, Guangzhou 510080, China
| | - Ming D Lu
- From the Department of Medical Ultrasonics, Division of Interventional Ultrasound, Institute of Diagnostic and Interventional Ultrasound (B.X.L., G.L.H., X.H.X., B.W.Z., X.Y.X., M.D.L.), and Department of Liver Surgery (M.D.L.), the First Affiliated Hospital, Sun Yat-Sen University, 58 Zhong Shan Road 2, Guangzhou 510080, China
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23
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Usawachintachit M, Tzou DT, Mongan J, Weinstein S, Chi T. Antegrade ultrasound contrast injection facilitates accurate nephrostomy tube positioning during percutaneous nephrolithotomy. Int J Urol 2017; 24:239-240. [PMID: 27862356 PMCID: PMC6081197 DOI: 10.1111/iju.13258] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Manint Usawachintachit
- Department of Urology, University of California, San Francisco, San Francisco, California, USA
- Division of Urology, Faculty of Medicine, King Chulalongkorn Memorial Hospital, Chulalongkorn University, The Thai Red Cross Society, Bangkok, Thailand
| | - David T Tzou
- Department of Urology, University of California, San Francisco, San Francisco, California, USA
| | - John Mongan
- Department of Radiology, University of California, San Francisco, San Francisco, California, USA
| | - Stefanie Weinstein
- Department of Radiology, University of California, San Francisco, San Francisco, California, USA
| | - Thomas Chi
- Department of Urology, University of California, San Francisco, San Francisco, California, USA
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