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Shockwave lithotripsy

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https://www.readbyqxmd.com/read/28931028/the-efficacy-of-extracorporeal-shockwave-lithotripsy-for-symptomatic-ureteral-stones-predictors-of-treatment-failure-without-the-assistance-of-computed-tomography
#1
Bing-Juin Chiang, Chun-Hou Liao, Yu-Hua Lin
OBJECTIVES: Non-contrast computed tomography (NCCT) is not always performed clinically if the diagnosis of ureteral calculi has been confirmed using other radiographic imaging modalities. The aim of this study was to identify predictors of successful extracorporeal shockwave lithotripsy (ESWL) without assistance of NCCT. METHODS: We retrospectively reviewed the medical records of patients with symptomatic solitary ureteral stones who underwent ESWL between November 2015 and January 2016...
2017: PloS One
https://www.readbyqxmd.com/read/28922962/changes-in-18f-fluorodeoxyglucose-activities-in-a-shockwave-induced-traumatic-brain-injury-model-using-lithotripsy
#2
Afshin Andre Divani, Jenny-Ann Phan, Pascal Salazar, Karen S SantaCruz, Ornina Bachour, Javad Mahmoudi, Xiao-Hong Zhu, Martin Pomper
We present a longitudinal study of cerebral metabolism using [18F]fluorodeoxyglucose (FDG) positron emission tomography (PET) in a rat model of shockwave-induced traumatic brain injury (SW-TBI). Anesthetized rats received 5 or 10 shockwave pulses to the right anterior lateral or dorsal frontal regions using shockwave lithotripsy. Animals were scanned for FDG uptake at baseline, 3 hours post-injury, and 3 days post-injury, using a small animal PET/CT scanner. FDG uptake at all time points was quantified as the ratio of brain activity relative to peripheral activity in the left ventricle (LV) in the heart (Abrain/ALV) for the entire brain, each hemisphere, and four cortices (motor, cingulate, somatosensory, and restrosplenial)...
September 19, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28891311/does-previous-open-renal-stone-surgery-affect-the-outcome-of-swl-treatment-in-adults-with-renal-stones
#3
Mehmet Hamza Gultekin, Fethi Ahmet Turegun, Burak Ozkan, Beril Tulu, Gamze Gul Gulec, Nejat Tansu, Cetin Demirdag, Pınar Kendigelen, Ahmet Erozenci, Bulent Onal
PURPOSE: To evaluate the effects of previous ipsilateral open renal stone surgery (ORSS) on outcomes of extracorporeal shockwave lithotripsy (SWL) in adults with renal stones. MATERIAL AND METHODS: A total of 2097 renal units (RUs) with renal stones underwent SWL treatment at our institution between March 1997 and February 2013. 1839 (87.7%) of these had no history of ORSS and were categorized as group 1 and 258 (12.3 %) patients having previous history of ipsilateral ORSS were categorized as group 2...
September 11, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28840294/prediction-of-successful-shock-wave-lithotripsy-with-ct-a-phantom-study-using-texture-analysis
#4
Manoj Mannil, Jochen von Spiczak, Thomas Hermanns, Hatem Alkadhi, Christian D Fankhauser
OBJECTIVE: To apply texture analysis (TA) in computed tomography (CT) of urinary stones and to correlate TA findings with the number of required shockwaves for successful shock wave lithotripsy (SWL). MATERIALS AND METHODS: CT was performed on thirty-four urinary stones in an in vitro setting. Urinary stones underwent SWL and the number of required shockwaves for disintegration was recorded. TA was performed after post-processing for pixel spacing and image normalization...
August 24, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28802643/update-on-urinary-stones-in-children-current-and-future-concepts-in-surgical-treatment-and-shockwave-lithotripsy
#5
REVIEW
Mesrur Selcuk Silay, Jonathan S Ellison, Thomas Tailly, Paolo Caione
CONTEXT: Miniaturized instrumentation used for endoscopic treatment of urinary stone disease in children has been readily adopted in clinical practice. However, there is a need to optimize and individualize the surgical approach according to the patient's age, body habitus, and stone characteristics. Promising novel equipment and techniques will continue to advance the surgical care of these children. OBJECTIVE: To review the literature regarding surgical and shockwave lithotripsy (SWL) treatment of urinary stone disease in children and provide an overview on future treatment innovations...
August 9, 2017: European Urology Focus
https://www.readbyqxmd.com/read/28797412/optical-coherence-tomography-characterization-of-coronary-lithoplasty-for-treatment-of-calcified-lesions-first-description
#6
Ziad A Ali, Todd J Brinton, Jonathan M Hill, Akiko Maehara, Mitsuaki Matsumura, Keyvan Karimi Galougahi, Uday Illindala, Matthias Götberg, Robert Whitbourn, Nicolas Van Mieghem, Ian T Meredith, Carlo Di Mario, Jean Fajadet
OBJECTIVES: This study sought to determine the mechanistic effects of a novel balloon-based lithoplasty system on heavily calcified coronary lesions and subsequent stent placement using optical coherence tomography (OCT). BACKGROUND: The Shockwave Coronary Rx Lithoplasty System (Shockwave Medical, Fremont, California) delivers localized, lithotripsy-enhanced disruption of calcium within the target lesion (i.e., lithoplasty) for vessel preparation before stent implantation...
August 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28770662/complications-in-extracorporeal-shockwave-lithotripsy-a-cohort-study
#7
Magnus Wagenius, Jon Jakobsson, Johan Stranne, Adam Linder
OBJECTIVE: The aim of this study was to evaluate clinically relevant complications within 14 days after extracorporeal shockwave lithotripsy (ESWL) in a modern setting. MATERIALS AND METHODS: Consecutive ESWL treatments between 2009 and 2015 in Ängelholm Hospital, Sweden, were analyzed retrospectively. The primary outcome was complications in patients seeking medical attention within 14 days after ESWL. Multivariable analysis was used to adjust for confounders such as diabetes, stone size and location, and presence of a urinary stent...
August 3, 2017: Scandinavian Journal of Urology
https://www.readbyqxmd.com/read/28756724/medical-expulsive-therapy-in-urolithiasis-a-mixed-treatment-comparison-network-meta-analysis-of-randomized-controlled-clinical-trials
#8
Kannan Sridharan, Gowri Sivaramakrishnan
BACKGROUND: Medical expulsive therapy (MET) using alpha blockers, calcium channel blockers (CCB), phosphodiesterase inhibitors (PDEI) and spasmolytics have been shown to be effective in clinical trials on urolithiasis. The present study is a network meta-analysis comparing the above mentioned drug classes. RESEARCH DESIGN AND METHODS: Electronic databases were searched for randomized controlled trials comparing the above mentioned drug classes in patients with urolithiasis using appropriate search strategy...
October 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28750620/efficacy-of-commercialised-extracorporeal-shock-wave-lithotripsy-service-a-review-of-589-renal-stones
#9
Tommy Kjærgaard Nielsen, Jørgen Bjerggaard Jensen
BACKGROUND: Extracorporeal shockwave lithotripsy (ESWL) is the management of choice for renal stones 20 mm or smaller, with a stone clearance rate of up to 89%. The purpose of the present is to investigate the efficacy of a commercialised ESWL service, being performed as an outsourced treatment using a mobile lithotripsy system on an outpatient basis. Furthermore, the study aims to evaluate the risk of needing treatment with an internal ureteral double-J stent (JJ) after ESWL treatment...
July 27, 2017: BMC Urology
https://www.readbyqxmd.com/read/28720363/burden-of-urolithiasis-trends-in-prevalence-treatments-and-costs
#10
REVIEW
Omer A Raheem, Yash S Khandwala, Roger L Sur, Khurshid R Ghani, John D Denstedt
CONTEXT: The recent evolution of management options for urolithiasis has presented a unique dilemma for the modern urologist. A comprehensive understanding of epidemiological trends along with current provider preferences in treating urinary stones would be beneficial. OBJECTIVE: To review trends in the prevalence, treatments, and costs of urolithiasis worldwide. EVIDENCE ACQUISITION: A literature review was performed using the MEDLINE database, the Cochrane Library Central search facility, Web of Science, and Google Scholar between 1986 and 2016...
February 2017: European Urology Focus
https://www.readbyqxmd.com/read/28694394/assessment-of-electrocardiographic-parameters-in-adult-patients-undergoing-extracorporeal-shockwave-lithotripsy
#11
Gündüz Durmuş, Muhsin Kalyoncuoğlu, Mehmet Baran Karataş, Yiğit Çanga, Semi Öztürk, Ender Özal, Yasin Çakıllı, Tuncay Kırış, Barış Güngör, Ahmet Taha Alper, Mehmet Mustafa Can, Osman Bolca
OBJECTIVE: Extracorporeal shock wave lithotripsy (ESWL) is a safe and effective treatment for urinary tract calculi. While serious side effects are rare, transient cardiac arrhythmias may occur. New electrocardiographic (ECG) parameters, such as P wave dispersion (PWD), QT dispersion (QTd), T peak to T end (Tp-e) interval, Tp-e interval/QT ratio, and Tp-e interval/corrected QT ratio have been defined to help predict atrial and ventricular arrhythmias. However, effect of ESWL on these ECG parameters has not been previously investigated...
July 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28616590/combination-of-extracorporeal-shockwave-lithotripsy-and-ureteroscopy-for-large-staghorn-calculi-in-a-pediatric-patient-case-report
#12
Austin J Schults, Wanjian Jia, Michael C Ost, Siam Oottamasathien
Background: Extracorporeal shockwave lithotripsy (SWL) is a procedure commonly performed to treat nephrolithiasis, with promising results in pediatric patients. However, increasing renal calculi size is directly related to worsening stone-free rates. There are few reports in the literature of >2-cm staghorn calculi that expound on the exact mechanism of treatment in the pediatric population. Case Presentation: We present a case report of a 3-year-old boy who presented with a large 3-cm staghorn calculi effectively treated with one session of SWL followed by a planned staged ureteroscopy for definitive treatment...
2017: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/28608191/shockwave-lithotripsy-techniques-for-improving-outcomes
#13
Tadeusz Kroczak, Kymora B Scotland, Ben Chew, Kenneth T Pace
OBJECTIVES: Shock wave lithotripsy (SWL) remains the only effective truly non-invasive treatment for nephrolithiasis. While single-treatment success rates may not equal those of ureteroscopy and percutaneous nephrolithotomy, it has an important role to play in the management of stones. In this paper, we outline the latest evidence-based recommendations for maximizing SWL outcomes, while minimizing complications. MATERIALS AND METHODS: A comprehensive review of the current literature was performed regarding maximizing SWL outcomes...
June 12, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/28599030/pediatric-nephrolithiasis-a-review
#14
Tayaba Miah, Deepak Kamat
The incidence of pediatric nephrolithiasis is on the rise. The composition of kidney stones in children is different than in adults, as most stones in children have a composition of calcium oxalate and calcium phosphate mixed with a small amount of uric acid. The symptoms of pediatric nephrolithiasis are nonspecific. Computed tomography (CT) is the gold standard for diagnosis; however, because of radiation exposure associated with a CT scan, ultrasonography is also an accepted modality for the diagnosis. Extensive metabolic evaluation is important to rule out an underlying metabolic disorder...
June 1, 2017: Pediatric Annals
https://www.readbyqxmd.com/read/28589147/ultrasonography-is-not-inferior-to-fluoroscopy-to-guide-extracorporeal-shock-waves-during-treatment-of-renal-and-upper-ureteric-calculi-a-randomized-prospective-study
#15
Jeroen Van Besien, Pieter Uvin, Isabeau Hermie, Thomas Tailly, Luc Merckx
OBJECTIVE: To investigate whether the visualization modality (ultrasound or fluoroscopy) used during shockwave lithotripsy (SWL) affects the clinical outcome in those instances where both imaging modalities are optional. METHODS: Between November 2014 and July 2016, 114 patients with radiopaque upper urinary tract calculi were randomly assigned to an ultrasound- or fluoroscopy-guided SWL group in a prospective, open-label, single-center study. A standardized SWL protocol was used...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28567327/robot-assisted-laparoscopic-management-of-caliceal-diverticular%C3%A2-calculi
#16
Anneleen Verbrugghe, Loïc Gaillandre, Damien Mouton, Franck Deschildre, Philippe Koenig, Charles Ballereau, Pierre Colin
Standard treatment modalities of caliceal diverticular calculi range from extracorporal shockwave lithotripsy (SWL) over retrograde intrarenal surgery (RIRS), percutaneous nephrolithotomy (PNL) and laparoscopic stone removal. A 55-year-old woman presented with a history of pyelonephritis based on a caliceal diverticular calculus. Due to the narrow infundibulum and anterior location, a robot-assisted laparoscopic calicotomy with extraction of the calculi and fulguration of the diverticulum was performed, with no specific perioperative problems and good stone-free results...
July 2017: Urology Case Reports
https://www.readbyqxmd.com/read/28560352/endourologic-management-of-an-iatrogenic-ureteral-avulsion-using-a-thermoexpandable-nickel-titanium-alloy-stent-memokath-051
#17
Maral J Rouhani, Hamid Abboudi, Norma Gibbons, Tamer El-Husseiny
Background: The use of ureteroscopy in the management of urolithiasis is well established. Ureteral avulsion is a rare but challenging complication of the procedure. Postureteral injury strictures are a common result of such injuries and are typically managed with reconstructive surgery or endoscopically with polymer stent. This case represents the first effective management of ureteral avulsion and subsequent ureteral stricture using a Memokath ureteral stent. Case Presentation: A 54-year-old gentleman presented to the Department of Urology with right loin pain as a result of right renal calculi, previously treated with extracorporeal shockwave lithotripsy...
2017: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/28544299/mini-pcnl-for-renal-calculi-does-size-matter
#18
Derek B Hennessey, Ned K Kinnear, Andrew Troy, David Angus, Damien M Bolton, David R Webb
OBJECTIVE: To evaluate the minimally invasive percutaneous nephrolithotomy (MIP) system for renal calculi. PATIENTS AND METHODS: Consecutive patients undergoing mini-percutaneous nephrolithotomy (mPCNL) procedures with the MIP system were enrolled. Patient position, American Society of Anesthesiologists classification, puncture location, stone clearance, postoperative drainage and complications were recorded, and features unique to MIP were noted. RESULTS: In all, 30 patients underwent 32 mPCNL procedures...
May 2017: BJU International
https://www.readbyqxmd.com/read/28534536/current-clinical-scoring-systems-of-percutaneous-nephrolithotomy-outcomes
#19
REVIEW
Wayland J Wu, Zeph Okeke
Percutaneous nephrolithotomy has become the preferred treatment modality for patients with large renal calculi. The technique provides excellent stone clearance, but complication rates are higher than those of minimally invasive techniques, such as ureteroscopy and shockwave lithotripsy. Guy's stone score, S.T.O.N.E. nephrolithometry, the CROES nomogram, and S-ReSC are contemporary scoring systems introduced to provide standardized grading of stone complexity and outcomes of percutaneous stone surgery. Guy's stone score is easy to apply and has been validated in multiple studies...
August 2017: Nature Reviews. Urology
https://www.readbyqxmd.com/read/28516980/modern-management-of-paediatric-obstructive-salivary-disorders-long-term-clinical-experience
#20
P Capaccio, P Canzi, M Gaffuri, A Occhini, M Benazzo, F Ottaviani, L Pignataro
Recent technological improvements in head and neck field have changed diagnostic and therapeutic strategies for salivary disorders. Diagnosis is now based on colour Doppler ultrasonography (US), magnetic resonance (MR) sialography and cone beam 3D computed tomography (CT), and extra- and intracorporeal lithotripsy, interventional sialendscopy and sialendoscopy-assisted surgery are used as minimally invasive, conservative procedures for functional preservation of the affected gland. We evaluated the results of our long-term experience in the management of paediatric obstructive salivary disorders...
April 2017: Acta Otorhinolaryngologica Italica
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