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Karl Storz

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https://www.readbyqxmd.com/read/29436200/digital-videoscopic-retrograde-intrarenal-surgeries-for-renal-stones-time-to-maximal-stone-length-ratio-analysis
#1
Jae Yong Jeong, Jong Chan Kim, Dong Hyuk Kang, Joo Yong Lee
PURPOSE: To investigate 100 consecutive cases of videoscopic retrograde intrarenal surgery (RIRS) by a single surgeon and to evaluate factors associated with stone-free status and the learning curve thereof. MATERIALS AND METHODS: We analyzed the results of videoscopic RIRS in 100 patients who underwent primary treatment for renal stones from January 2015 to August 2016. Videoscopic RIRS were performed with URF-V and URF-V2 flexible video uteroscopes (Olympus) or a Flex-Xc flexible ureterorenoscope (KARL STORZ)...
March 2018: Yonsei Medical Journal
https://www.readbyqxmd.com/read/29397126/universal-videolaryngoscopy-a-structured-approach-to-conversion-to-videolaryngoscopy-for-all-intubations-in-an-anaesthetic-and-intensive-care-department
#2
T M Cook, N J Boniface, C Seller, J Hughes, C Damen, L MacDonald, F E Kelly
BACKGROUND: Videolaryngoscopy (VL) is increasingly used, but not yet routine practice, for tracheal intubation. Few departments formally trial equipment before adopting it into practice. We describe the decision-making and implementation processes that our department used when introducing universal VL, with the C-MAC © (Karl Storz, Germany), throughout our anaesthesia and intensive care departments. METHODS: We used a structured process to assess the feasibility of a change to universal VL...
January 2018: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/29356873/clinical-outcomes-and-costs-of-reusable-and-single-use-flexible-ureterorenoscopes-a-prospective-cohort-study
#3
R Mager, M Kurosch, T Höfner, S Frees, A Haferkamp, A Neisius
The purpose of this study is to analyze clinical outcomes and costs of single-use flexible ureterorenoscopes in comparison with reusable flexible ureterorenoscopes in a tertiary referral center. Prospectively, 68 flexible ureterorenoscopies utilizing reusable (Flex-X2S, Flex-XC, Karl Storz) and 68 applying single-use flexible ureterorenoscopes (LithoVue, Boston Scientific) were collected. Clinical outcome parameters such as overall success rate, complication rates according to Clavien-Dindo, operation time and radiation exposure time were measured...
January 22, 2018: Urolithiasis
https://www.readbyqxmd.com/read/29239229/in-vitro-evaluation-of-single-use-digital-flexible-ureteroscopes-a-practical-comparison-for-a-patient-centered-approach
#4
Giovanni Scala Marchini, Carlos A Batagello, Manoj Monga, Fábio César Miranda Torricelli, Fabio C Vicentini, Alexandre Danilovic, Miguel Srougi, Willian C Nahas, Eduardo Mazzucchi
OBJECTIVE: To compare the manufacturing and in vitro performance characteristics of two single-use flexible ureteroscopes with a permanent optical flexible ureteroscope. MATERIALS AND METHODS: Two single-use flexible ureteroscopes, LithoVue (Boston Scientific) and Pusen (1rs. generation; Zhuhai Pusen Medical Technology Company Limited, China), were tested and compared with a permanent Flex-X2 ureteroscope (Karl Storz, Germany) in terms of technical characteristics, optics, deflection mechanism, and additional parameters which could potentially affect surgical technique...
January 5, 2018: Journal of Endourology
https://www.readbyqxmd.com/read/29214354/wide-field-autofluorescence-guided-tur-b-for-the-detection-of-bladder-cancer-a-pilot-study
#5
Maximilian C Kriegmair, P Honeck, M Theuring, C Bolenz, M Ritter
PURPOSE: The aim of this pilot study was to assess the feasibility and value of wide-field autofluorescence imaging (AFI) for the detection of bladder cancer during transurethral resection of the bladder (TUR-B). METHODS: For imaging, the D-Light/AF System (Karl Storz GmbH, Tuttlingen, Germany) and a customized band pass filter (≈ 480-780 nm) at the eyepiece of the endoscope were used. The excitation light wavelength was 440 nm. Representative spectral measurements of tissue autofluorescence (AF) were performed using a spectrometer attached behind the AF band pass filter in selected patients...
December 6, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/29146391/small-diameter-hysteroscopic-metroplasty-for-a-septate-uterus-after-open-assisted-laparoscopic-radical-trachelectomy
#6
Akimasa Takahashi, Hiroyuki Kanao, Nobuhiro Takeshima
STUDY OBJECTIVE: To describe a two-step fertility preservation technique for early-stage cervical cancer of a patient with a complete septate uterus. DESIGN: A step-by-step demonstration and explanation of the technique in a surgical video (Canadian Task Force Classification III). SETTING: Center for cancer, a tertiary referral center. The patient provided informed consent to use images and videos of the procedure. Institutional Review Board approval was not required for this kind of procedure...
November 13, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/29102235/the-view-through-the-ventricle-catheter-the-new-shuntscope-for-the-therapy-of-pediatric-hydrocephalus
#7
Sebastian Senger, Sebastian Antes, Mohamed Salah, Christoph Tschan, Stefan Linsler, Joachim Oertel
PURPOSE: Correct placement of the ventricle catheter directly influences the function of cerebral shunt systems. The incidence of proximal catheter misplacement reaches up to 45%. To avoid misplacements and revisions a new intra-catheter endoscope for precise ventricle catheter placement in children was evaluated. METHODS: The semi-rigid ShuntScope (Karl Storz GmbH & Co.KG, Tuttlingen, Germany) with an outer diameter of 1.0 mm and an image resolution of 10,000 pixels was used in a series of 27 children and adolescents (18 males, 9 females, age range 2 months-18 years)...
October 25, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29078643/indocyanine-green-fluorescence-navigated-thoracoscopic-anatomical-segmentectomy
#8
Mingyon Mun, Sakae Okumura, Masayuki Nakao, Yosuke Matsuura, Ken Nakagawa
BACKGROUND: To evaluate the feasibility and efficacy of thoracoscopic anatomical segmentectomy (TS-S) using three-dimensional computed tomography (3D-CT) reconstruction and indocyanine green-fluorescence (ICGF) navigation. METHODS: Twenty TS-S procedures were performed for 15 primary lung cancers and 5 metastatic lung tumors. Preoperatively we evaluated the target segmental pulmonary artery and created a virtual intersegmental plane using 3D-CT reconstruction. Intraoperatively, the target segmental artery and bronchus were divided, and after intravenous systemic injection of indocyanine green (ICG, 0...
2017: Journal of Visualized Surgery
https://www.readbyqxmd.com/read/29026668/fourth-ventricle-neurocysticercosis-rigid-endoscopic-management-description-of-direct-transcerebellar-approach
#9
A Ceja-Espinosa, J A Franco-Jiménez, A Sosa-Nájera, G A Gutiérrez-Aceves, M I Ruiz-Flores
BACKGROUND: Endoscopy has gained a crucial role in high specialty neurosurgery during the last decades. At present, there are well-defined flexible neuroendoscopic procedures to treat ventricular and subarachnoid space pathologies. Neurocysticercosis is recognized as a common cause of neurologic disease in developing countries and the United States. Surgical intervention, especially cerebrospinal fluid diversion, is the key for management of hydrocephalus. In 2002, a consensus suggested that ventricular forms should be treated with endoscopy as the first option...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/29022781/near-infrared-autofluorescence-imaging-to-detect-parathyroid-glands-in-thyroid-surgery
#10
R Ladurner, N Al Arabi, U Guendogar, Kkj Hallfeldt, H Stepp, Jks Gallwas
Objective To identify and save parathyroid glands during thyroidectomy by displaying their autofluorescence. Methods Autofluorescence imaging was carried out during thyroidectomy with and without central lymph node dissection. After visual recognition by the surgeon, the parathyroid glands and the surrounding tissue were exposed to near-infrared light with a wavelength of 690-770 nm using a modified Karl Storz near infrared/indocyanine green endoscopic system. Parathyroid tissue was expected to show near infrared autofluorescence at 820 nm, captured in the blue channel of the camera...
September 15, 2017: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/28978227/next-generation-single-use-ureteroscopes-an-in-vitro-comparison
#11
Westin R Tom, Daniel A Wollin, Ruiyang Jiang, Daniela Radvak, Walter Neal Simmons, Glenn M Preminger, Michael E Lipkin
INTRODUCTION: Single-use ureteroscopes have been gaining popularity in recent years. We compare the optics, deflection, and irrigation flow of two novel single-use flexible ureteroscopes-the YC-FR-A and the NeoFlex-with contemporary reusable and single-use flexible ureteroscopes. METHODS: Five flexible ureteroscopes, YC-FR-A (YouCare Tech, China), NeoFlex (Neoscope, Inc., USA), LithoVue (Boston Scientific, USA), Flex-Xc (Karl Storz, Germany), and Cobra (Richard Wolf, Germany), were assessed in vitro for image resolution, distortion, field of view, depth of field, color representation, and grayscale imaging...
November 3, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28939481/laparoscopic-typical-and-atypical-locations-of-sentinel-node-mapping-with-indocyanine-green-comparison-of-2-near-infrared-fluorescence-systems
#12
Giampaolo Di Martino, Claudio Reato, Debora Verri, Federica Dell'Orto, Alessandro Buda
STUDY OBJECTIVE: To present our minimally invasive laparoscopic approach for sentinel lymph node (SLN) mapping with indocyanine green (ICG) using 2 fluorescence systems. DESIGN: A step-by-step video description of the technique showing the most frequent typical and atypical location of SLNs (educational video). SETTING: Lymph node staging in apparent confined endometrial cancer. PATIENTS: Women underwent SLN mapping in a minimally invasive setting...
September 20, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28936612/endotracheal-intubation-ultrasound-guided-versus-fiberscope-in-patients-with-cervical-spine-immobilization
#13
Moustafa Abdelaziz Moustafa, Emad A Arida, Ola M Zanaty, Sameh Fathy El-Tamboly
BACKGROUND: Ultrasound has growing applications in airway management during anesthesia. The aim of the present study was to evaluate the feasibility of real-time ultrasound-guided tracheal intubation in patients with cervical spine immobilization relative to fiberscope-guided tracheal intubation. PATIENTS AND METHODS: This randomized controlled study was carried out on 266 adult patients who have a rigid neck collar in place for cervical spine immobilization and were randomly allocated into two equal groups...
December 2017: Journal of Anesthesia
https://www.readbyqxmd.com/read/28919095/laparoscopic-near-infrared-fluorescent-imaging-as-an-alternative-option-for-sentinel-lymph-node-mapping-in-endometrial-cancer-a-prospective-study
#14
Salih Taşkın, Yavuz Emre Şükür, Duygu Altın, Cevriye Cansız Ersöz, Batuhan Turgay, Duygu Kankaya, Mete Güngör, Fırat Ortaç
BACKGROUND: To evaluate feasibility of sentinel lymph node (SLN) mapping by using near-infrared fluorescent imaging and indocyanine green (NIR/ICG) integrated laparoscopic system in clinically uterine-confined endometrial cancer. MATERIALS AND METHODS: Patients with clinically early-stage endometrial cancer were included in this prospective study. ICG was injected to the uterine cervix and NIR/ICG integrated laparoscopic system (Spies Full HD D-Light P ICG technology, Karl Storz, Tuttlingen, Germany) was used during the operations...
November 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28606617/management-of-patients-with-predicted-difficult-airways-in-an-academic-emergency-department
#15
John C Sakles, Matthew J K Douglas, Cameron D Hypes, Asad E Patanwala, Jarrod M Mosier
BACKGROUND: Patients with difficult airways are sometimes encountered in the emergency department (ED), however, there is a little data available regarding their management. OBJECTIVES: To determine the incidence, management, and outcomes of patients with predicted difficult airways in the ED. METHODS: Over the 1-year period from July 1, 2015 to June 30, 2016, data were prospectively collected on all patients intubated in an academic ED. After each intubation, the operator completed an airway management data form...
August 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28594806/-a-new-method-of-endoscopic-harvesting-of-the-great-saphenous-vein-in-an-open-system
#16
Iu Iu Vecherskiĭ, V V Zatolokin, K A Petlin, Sh D Akhmedov, V M Shipulin
We examined a total of 246 patients subjected to coronary artery bypass grafting with the use of the great saphenous vein (GSV). The patients were subdivided into two groups. Group One (n=121) patients endured procurement of the great saphenous vein by a new endoscopic technique in an open system with the help of the equipment Karl Storz and electric dissector Ligasure. In Group Two (n=125) patients the vein was harvested by means of the traditional open method. In all patients we evaluated complications in the early postoperative period 13±2...
2017: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/28541627/sentinel-lymph-node-mapping-with-indocyanine-green-in-vaginal-cancer
#17
In Ok Lee, Jung Yun Lee, Sunghoon Kim, Sang Wun Kim, Young Tae Kim, Eun Ji Nam
OBJECTIVE: Sentinel lymph node (SLN) mapping is being adapted to gynecologic cancer. Higher SLN mapping rates were reported with indocyanine green (ICG) compared to other dyes. The aim of this film is to share our experience of SLN mapping with ICG in vaginal cancer. METHODS: A 40 year-old woman was diagnosed with squamous cell vaginal cancer. About 1.5 cm-sized tumor was located on the posterior vaginal fornix. Preoperatively she was assumed to be stage I vaginal cancer...
July 2017: Journal of Gynecologic Oncology
https://www.readbyqxmd.com/read/28528422/5-ala-fluorescence-guided-endoscopic-surgery-for-mixed-germ-cell-tumors
#18
Junichi Takeda, Masahiro Nonaka, Yi Li, Yumiko Komori, Takamasa Kamei, Ryoichi Iwata, Tetsuo Hashiba, Kunikazu Yoshimura, Akio Asai
5-Aminolevulinic acid (5-ALA) fluorescence-guided surgery is widely used for detection and planning of resection of malignant gliomas and other brain tumors. However, no reports have described 5-ALA fluorescence-guided surgery or direct visualization of germ cell tumors. Here, we report two cases of germ cell tumors in which a positive 5-ALA fluorescent signal was visualized with a neuroendoscope. Both cases had a tumor in the pineal region that was associated with hydrocephalus. The patients underwent surgery after administration of 5-ALA...
August 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28470408/features-of-haptic-and-tactile-feedback-in-tors-a-comparison-of-available-surgical-systems
#19
Daniel T Friedrich, L Dürselen, B Mayer, S Hacker, F Schall, J Hahn, T K Hoffmann, P J Schuler, J Greve
Sustained interest and an increase of possible indications endorse the role of robot-assisted surgery of the head and neck region. However, broad clinical application is impeded by substantial extra cost, time exposure and a supposed deficit of haptic and tactile feedback. The role of haptic feedback has barely been examined in this context, and literature provides only limited objective validation. This point of criticism applies to all commercially available systems. We created an experimental setup to evaluate, quantify and compare the performance of surgical systems...
May 3, 2017: Journal of Robotic Surgery
https://www.readbyqxmd.com/read/28439193/hysteroscopic-management-of-uterine-arteriovenous-malformation
#20
Stefano Calzolari, Mauro Cozzolino, Eleonora Castellacci, Valeria Dubini, Alfonso Farruggia, Giovanni Sisti
BACKGROUND AND OBJECTIVES: Uterine arteriovenous malformation (AVM) is characterized by shunts between the myometrial arteries and veins. Treatment is based on the severity of uterine bleeding and ranges from conservative medical approaches to embolization of affected arteries. The aim of study was to evaluate the feasibility and safety of hysteroscopy for management of uterine AVM. METHODS: This was a retrospective study of a cohort of 11 cases occurring between March 2012 and December 2015 in our Regional Center of Excellence in Hysteroscopy, University of Florence...
April 2017: JSLS: Journal of the Society of Laparoendoscopic Surgeons
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