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Surgical clipping

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https://www.readbyqxmd.com/read/28099070/laparoscopic-rectal-dissection-assisted-by-transanal-endoluminal-videoendoscopy-through-a-blunt-tip-trocar
#1
Emanuele Asti, Andrea Lovece, Luigi Bonavina
BACKGROUND AND AIMS: Laparoscopic resection is a well-established approach for colorectal cancer surgery. In patients with rectal cancer treated by neoadjuvant chemoradiotherapy, it may be difficult to identify a clear safety margin for endostapling and subsequent anastomosis. We designed an innovative technical approach to assist colorectal anastomosis in these patients. TECHNIQUE: A four-trocar laparoscopic approach is used. After exploration of the abdominal cavity, the left colic flexure is completely mobilized...
January 18, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28093563/asymptomatic-mild-hyperperfusion-for-the-prediction-of-clinical-outcome-in-postoperative-patients-after-subarachnoid-hemorrhage
#2
Manabu Nakagawa, Tatsushi Mutoh, Shunsuke Takenaka, Tomoko Mutoh, Tomoko Totsune, Yasuyuki Taki, Tatsuya Ishikawa
BACKGROUND Delayed cerebral ischemia (DCI) is one of the main causes of poor outcomes after subarachnoid hemorrhage (SAH). The early identification of DCI by noninvasive imaging modalities would provide valuable information of therapeutic intervention for improving the patient outcomes. We aimed to describe the clinical features of cerebral blood flow (CBF) data obtained from the single-photon emission computed tomography (SPECT) during the risk period for DCI after SAH. MATERIAL AND METHODS Clinical data from 94 SAH patients who underwent surgical clipping of anterior circulation aneurysms were reviewed retrospectively...
January 17, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28091826/paradigms-for-single-patient-multimodality-treatment-for-cerebral-aneurysms-single-center-eleven-year-experience
#3
Abdullah Alobaid, Erez Nossek, Katherine Wagner, Avi Setton, Amir R Dehdashti, David Langer, David Chalif
Endovascular and surgical techniques are conventional options for treating intracranial aneurysms, but criteria for selecting an optimal approach for individual patients remain variable across practitioners and institutions. While endovascular and surgical approaches are generally used alone, both modalities combined in single patients can produce efficacious outcomes. The aim of this study was to evaluate outcomes of combined, concomitant endovascular and surgical modalities in the treatment of multiple and/or complex aneurysms in single patients...
January 14, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28089953/transcatheter-treatment-of-severe-tricuspid-regurgitation-using-the-edge-to-edge-repair-technique
#4
Daniel Braun, Michael Nabauer, Mathias Orban, Martin Orban, Lisa Gross, Andrea Englmaier, Diana Rösler, Julinda Mehilli, Axel Bauer, Christian Hagl, Steffen Massberg, Jörg Hausleiter
AIMS: The aim of this study was to investigate the procedural feasibility and short-term durability of the transcatheter tricuspid valve edge-to-edge repair technique in highly symptomatic patients with severe tricuspid regurgitation (TR). METHODS AND RESULTS: Eighteen consecutive patients suffering from severe right-sided heart failure (NYHA Class III-IV), primarily due to moderate to severe tricuspid regurgitation, were included in the study. Applying a modified steering technique for the clip delivery system, six patients were treated for isolated severe TR, while 12 patients were treated for moderate to severe TR and concomitant severe mitral regurgitation...
January 17, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28089197/long-term-follow-up-analysis-of-microsurgical-clip-ligation-and-endovascular-coil-embolization-for-dorsal-wall-blister-aneurysms-of-the-internal-carotid-artery
#5
Mason A Brown, Cristian F Guandique, Jonathan Parish, Aubrey C McMillan, Stephen Lehnert, Nassir Mansour, Michael Tu, Bradley N Bohnstedt, Troy D Payner, Thomas J Leipzig, Andrew J DeNardo, John A Scott, Aaron A Cohen-Gadol
: Blister aneurysms at non-branching sites of the dorsal internal carotid artery (dICA) are fragile, rare, and often difficult to treat. The purpose of this study is to address the demographics, treatment modalities, and long-term outcome of patients treated for dICA blister aneurysms. A retrospective review of medical records identified all consecutive patients who presented with a blister aneurysm from 2002 to 2011 at our institution. Eighteen patients (M=7, F=11; mean age: 48.4±15...
January 11, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28079816/a-comparison-study-between-gross-tumor-volumes-defined-by-preoperative-magnetic-resonance-imaging-postoperative-specimens-and-tumor-bed-for-radiotherapy-after-breast-conserving-surgery
#6
Aiping Zhang, Jianbin Li, Wei Wang, Yongsheng Wang, Dianbin Mu, Zhaoqiu Chen, Qian Shao, Fengxiang Li
BACKGROUND: The identification and contouring of target volume is important for breast-conserving therapy. The aim of the study was to compare preoperative magnetic resonance imaging (MRI), postoperative pathology, excised specimens' (ES) size, and tumor bed (TB) delineation as methods for determining the gross tumor volume (GTV) for radiotherapy after breast-conserving surgery (BCS). METHODS: Thirty-three patients with breast cancer who underwent preoperative MRI and radiotherapy after BCS were enrolled...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28064352/pipeline-embolization-device-for-the-treatment-of-a-traumatic-intracranial-aneurysm-in-a-child
#7
Felipe Padovani Trivelato, Marco Túlio Salles Rezende, Luiz Venâncio Fonseca, Lucas Eduardo Bonadio, Alexandre Cordeiro Ulhôa, Daniel Giansante Abud
INTRODUCTION: Traumatic intracranial aneurysms in children are rare and may occur as the result of closed or penetrating head trauma. Their natural history seems to be more aggressive. Most traumatic aneurysms have complex shape, tending to have a large neck or even a fusiform morphology. CASE REPORT: We present a case of a traumatic carotid artery aneurysm in a 9-year-old girl that was successfully treated with pipeline embolization device. DISCUSSION: Due to its dissecting nature, wall friability and lack of a substantial neck can make surgical clipping and selective coiling difficult and risky...
January 7, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28061486/superficial-temporal-artery-sparing-mini-pterional-approach-for-cerebral-aneurysm-surgery
#8
Jun-Young Ahn, Sung-Tae Kim, Ki-Chang Yi, Won-Hee Lee, Sung Hwa Paeng, Young-Gyun Jeong
OBJECTIVE: The purposes of this study were to introduce a superficial temporal artery (STA)-sparing mini-pterional approach for the treatment of cerebral aneurysms and review the surgical results of this approach. METHODS: Between June 2010 and December 2015, we performed the STA-sparing mini-pterional approach for 117 patients with 141 unruptured intracranial aneurysms. We analyzed demographic, radiologic, and clinical variables including age, sex, craniotomy size, aneurysm location, height of STA bifurcation, and postoperative complications...
January 1, 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28059649/quantitative-analysis-of-the-effect-of-institutional-case-volume-on-complications-after-surgical-clipping-of-unruptured-aneurysms
#9
Lorenzo Rinaldo, Brandon A McCutcheon, Meghan E Murphy, Daniel L Shepherd, Patrick R Maloney, Panagiotis Kerezoudis, Mohamad Bydon, Giuseppe Lanzino
OBJECTIVE The mechanism by which greater institutional case volume translates into improved outcomes after surgical clipping of unruptured intracranial aneurysms (UIAs) is not well established. The authors thus aimed to assess the effect of case volume on the rate of various types of complications after clipping of UIAs. METHODS Using information on the outcomes of inpatient admissions for surgical clipping of UIAs collected within a national database, the relationship of institutional case volume to the incidence of different types of complications after clipping was investigated...
January 6, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28059648/validation-of-effectiveness-of-keyhole-clipping-in-nonfrail-elderly-patients-with-unruptured-intracranial-aneurysms
#10
Kentaro Mori, Kojiro Wada, Naoki Otani, Arata Tomiyama, Terushige Toyooka, Kazuya Fujii, Kosuke Kumagai, Satoru Takeuchi, Satoshi Tomura, Takuji Yamamoto, Yasuaki Nakao, Hajime Arai
OBJECTIVE Advanced age is known to be associated with a poor prognosis after surgical clipping of unruptured intracranial aneurysms (UIAs). Keyhole clipping techniques have been introduced for less invasive treatment of UIAs. In this study, the authors compared the complications and clinical and radiological outcomes after keyhole clipping between nonfrail elderly patients (≥ 70 years) and nonelderly patients. METHODS Keyhole clipping (either supraorbital or pterional) was performed to treat 260 cases of relatively small (≤ 10 mm) anterior circulation UIAs...
January 6, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28057589/microsurgical-clipping-of-unruptured-intracranial-aneurysms-a-single-surgeon-s-experience-over-sixteen-years
#11
Anil Nanda, Devi Prasad Patra, Shyamal C Bir, Tanmoy K Maiti, Piyush Kalakoti, Papireddy Bollam
INTRODUCTION: Unruptured intracranial aneurysms (UIA) have become an issue of greater significance as their detection rates have increased over the years. We present the overall experience of microsurgical clipping of unruptured aneurysms by a single surgeon over a period of more than 16 years. METHODS: The clinical and radiological data were retrospectively reviewed. Clinical outcome at follow-up was assessed by Glasgow Outcome Scale (GOS), and angiograms were reviewed for the degree of occlusion...
January 2, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28053630/displacement-of-surgical-clips-during-postoperative-radiotherapy-in-breast-cancer-patients-who-received-breast-conserving-surgery
#12
SooYoon Sung, Joo Hwan Lee, Jong Hoon Lee, Sung Hwan Kim, Yoo-Kang Kwak, Sea-Won Lee, Ye Won Jeon, Young Jin Suh
PURPOSE: Surgical clips are used as a target for postoperative breast radiotherapy, and displacement of surgical clips would result in inaccurate delivery of radiation. We investigated the displacement range of surgical clips in the breast during postoperative radiotherapy following breast-conserving surgery. METHODS: A total of 178 patients who received breast-conserving surgery and postoperative radiation of 59.4 Gy in 33 fractions to the involved breast for 6...
December 2016: Journal of Breast Cancer
https://www.readbyqxmd.com/read/28048932/th-b-204-03-tg-199-implanted-markers-for-radiation-treatment-verification
#13
Z Wang
: Implanted markers as target surrogates have been widely used for treatment verification, as they provide safe and reliable monitoring of the inter- and intra-fractional target motion. The rapid advancement of technology requires a critical review and recommendation for the usage of implanted surrogates in current field. The symposium, also reporting an update of AAPM TG 199 - Implanted Target Surrogates for Radiation Treatment Verification, will be focusing on all clinical aspects of using the implanted target surrogates for treatment verification and related issues...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048478/th-b-204-01-real-time-tracking-with-implanted-markers
#14
Q Xu
: Implanted markers as target surrogates have been widely used for treatment verification, as they provide safe and reliable monitoring of the inter- and intra-fractional target motion. The rapid advancement of technology requires a critical review and recommendation for the usage of implanted surrogates in current field. The symposium, also reporting an update of AAPM TG 199 - Implanted Target Surrogates for Radiation Treatment Verification, will be focusing on all clinical aspects of using the implanted target surrogates for treatment verification and related issues...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048240/su-f-j-117-impact-of-motion-artifacts-on-image-quality-and-accuracy-of-tumor-motion-reconstruction-in-4d-ct-on-rails-and-mv-cbct-scans-a-phantom-study
#15
T Lin, C Ma
PURPOSE: To compare and quantify respiratory motion artifacts in images from free breathing 4D-CT-on-Rails(CTOR) and those from MV-Cone-beam-CT(MVCB) and facilitate respiratory motion guided radiation therapy. METHODS: 4D-CTOR: Siemens Somatom CT-on-Rails system with Anzai belt loaded with pressure sensor load cells. 4D scans were performed in helical mode, pitch 0.1, gantry rotation time 0.5s, 1.5mm slice thickness, 120kVp, 400 mAs. Normal and fast breathing (>12rpm) scanning protocols were investigated...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047824/th-b-204-02-application-of-implanted-markers-in-proton-therapy
#16
S Park
: Implanted markers as target surrogates have been widely used for treatment verification, as they provide safe and reliable monitoring of the inter- and intra-fractional target motion. The rapid advancement of technology requires a critical review and recommendation for the usage of implanted surrogates in current field. The symposium, also reporting an update of AAPM TG 199 - Implanted Target Surrogates for Radiation Treatment Verification, will be focusing on all clinical aspects of using the implanted target surrogates for treatment verification and related issues...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046411/th-b-204-00-implanted-markers-for-radiation-therapy-and-tg-199-update
#17
Zhiheng Wang
: Implanted markers as target surrogates have been widely used for treatment verification, as they provide safe and reliable monitoring of the inter- and intra-fractional target motion. The rapid advancement of technology requires a critical review and recommendation for the usage of implanted surrogates in current field. The symposium, also reporting an update of AAPM TG 199 - Implanted Target Surrogates for Radiation Treatment Verification, will be focusing on all clinical aspects of using the implanted target surrogates for treatment verification and related issues...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28035655/automated-target-tracking-in-kilovoltage-images-using-dynamic-templates-of-fiducial-marker-clusters
#18
Warren G Campbell, Moyed Miften, Bernard L Jones
PURPOSE: Implanted fiducial markers are often used in radiotherapy to facilitate accurate visualization and localization of tumors. Typically, such markers are used to aid daily patient positioning and to verify the target's position during treatment. These markers can also provide a wealth of information regarding tumor motion, yet determining their accurate position in thousands of images is often prohibitive. This work introduces a novel, automated method for identifying fiducial markers in planar x-ray imaging...
December 30, 2016: Medical Physics
https://www.readbyqxmd.com/read/28033279/the-effect-of-fenestration-of-the-lamina-terminalis-on-the-incidence-of-shunt-dependent-hydrocephalus-after-aneurysmal-subarachnoid-hemorrhage-fish-study-protocol-for-a-randomized-controlled-trial
#19
Chuanyuan Tao, Chaofeng Fan, Xin Hu, Junpeng Ma, Lu Ma, Hao Li, Yi Liu, Hong Sun, Min He, Chao You
BACKGROUND: Shunt-dependent hydrocephalus (SDH) is a well-known sequela following aneurysmal hemorrhage, adversely affecting the outcome after securing ruptured aneurysm. Fenestration of lamina terminalis (FLT) creates an anterior ventriculostomy, facilitates cerebrospinal fluid circulation and clot clearance in the basal cistern. However, controversy exists over whether microsurgical FLT during aneurysm repair can decrease the incidence of SDH. AIMS: The study is designed to determine the efficacy of lamina terminalis fenestration on the reduction of SDH after aneurysm clipping...
December 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28032562/a-novel-secure-transfixing-blood-vessel-occluder-comparison-with-the-hemoclip-in-the-porcine-model
#20
Arnold Miller, Nir Lilach, Ana-Maria Botero-Anug, Udi Willenz, Raanan Miller
BACKGROUND: Secure vessel occlusion is critical to the success of all surgical and interventional procedures. The purpose of this study was to compare in vivo the use of the Amsel Vessel Occluder (AVO), a novel occlusion clip device for secure blood vessel closure, with one of the many commercially available hemoclips, the Ligaclip, in the porcine model. METHODS: Vessel closure of arteries and veins was performed on 10 swine to compare the ease of use, safety, and efficacy of the AVO with the Ligaclip as well as the tissue response at 7 and 30 d...
October 5, 2016: Journal of Surgical Research
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