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Magnetic anastomosis

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https://www.readbyqxmd.com/read/28976806/magnetic-compression-anastomosis-magnamosis-for-functional-undiversion-of-ileostomy-in-pediatric-patients
#1
Luzia Toselli, Marcelo Martinez-Ferro, Guillermo Cervio, Dillon Kwiat, Jill Imamura-Ching, Claire E Graves, Brandon Gaston, Michael Harrison
INTRODUCTION: Magnamosis forms a compression anastomosis using self-aligning magnetic Harrison rings. The device has been approved by the Food and Drug Administration for first-in-human testing and has been applied in adults for intestinal anastomosis during urologic reconstructions. We now report the first cases of magnamosis to functionally undivert the fecal stream from a previously created loop ileostomy in pediatric patients. MATERIALS AND METHODS: Case 1: A 4-year-old male underwent a diverting loop ileostomy for malignant bowel obstruction...
October 4, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28969198/spontaneous-enterocutaneous-fistula-resulting-from-richter-s-hernia
#2
Ranendra Hajong, Donkupar Khongwar, Ojing Komut, Narang Naku, Kappa Baru
Richter's hernia is due to the entrapment of a part of circumference of the bowel wall. As the bowel continuity is maintained, the patients usually do not have intestinal obstruction. Some patients with Richter's hernia may present with enterocutaneous fistula either spontaneous or due to surgical intervention mistaking the obstructed hernia to be inguinal abscess. This is more so in developing countries due to lack of awareness among the masses or due to the delay in seeking medical attention. Presenting here is a case of a 53-year-old male patient with enterocutaneous fistula which occurred spontaneously and sought medical attention only after about three years of repeated discharge of yellowish fluid from the left inguinal region...
August 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28966828/sequential-changes-of-arterial-spin-labeling-perfusion-mr-images-with-dual-postlabeling-delay-following-reconstructive-surgery-for-giant-internal-carotid-artery-aneurysm
#3
Takafumi Shimogawa, Takato Morioka, Tomoaki Akiyama, Sei Haga, Shuji Arakawa, Tetsuro Sayama
BACKGROUND: Arterial spin-labeling magnetic resonance perfusion imaging (ASL-MRI) allows noninvasive measurement of cerebral blood flow (CBF) but depends on arterial transit time (ATT). To overcome this problem, we developed a simple ASL technique with dual postlabeling delay (PLD) settings. In addition to the routinely used PLD of 1.5 seconds, we selected another PLD of 2.5 seconds to assess slowly streaming blood flow and detect arterial transit artifacts (ATAs) resulting from stagnant intravascular magnetically labeled spins...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28928606/quantification-of-ventricular-unloading-by-3d-echocardiography-in-single-ventricle-of-left-ventricular-morphology-following-superior-cavo-pulmonary-anastomosis-and-fontan-completion-a-feasibility-study
#4
Deepa Sasikumar, Bijulal Sasidharan, Baiju S Dharan, Arun Gopalakrishnan, Kavasseri M Krishnamoorthy, Sivasubramanian Sivasankaran
BACKGROUND: Three-dimensional echocardiography. (3DE) is comparable to cardiac magnetic resonance imaging for estimating ventricular volume in congenital heart diseases. However, there are limited data on estimation of ventricular volumes by 3DE in univentricular heart and change in ventricular volumes after surgical creation of cavopulmonary connection. We sought to quantify the unloading of the single ventricle of left ventricular. (LV) morphology by 3DE after superior cavopulmonary anastomosis...
September 2017: Annals of Pediatric Cardiology
https://www.readbyqxmd.com/read/28919565/treatment-of-large-or-giant-cavernous-aneurysm-associated-with-persistent-trigeminal-artery-case-report-and-review-of-literature
#5
Tatsuya Ishikawa, Koji Yamaguchi, Hidenori Anami, Masatake Sumi, Tomomi Ishikawa, Takakazu Kawamata
BACKGROUND: Primitive trigeminal artery (PTA) is the most common anomaly of primitive carotid-basilar anastomosis and is associated with cerebrovascular anomalies, such as aneurysm. Large or giant cavernous aneurysm associated with PTA is rare, and the treatment strategies differ in comparison with large or giant aneurysm without PTA. In this article, we report an unusual case of a giant cavernous aneurysm associated with PTA and review treatment strategies for large or giant cavernous aneurysm associated with PTA...
September 14, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28916905/small-cholangiolocellular-carcinoma-that-was-difficult-to-distinguish-from-cholangiocellular-carcinoma-a-case-report
#6
Norihiro Ishii, Kenichiro Araki, Takahiro Yamanaka, Tadashi Handa, Mariko Tsukagoshi, Takamichi Igarashi, Akira Watanabe, Norio Kubo, Shinichi Aishima, Hiroyuki Kuwano, Ken Shirabe
BACKGROUND: Cholangiolocellular carcinoma (CoCC) is thought to be derived from hepatic progenitor cells. Because of its origin, CoCC has diverse clinicopathological and imaging findings. Here, we report a case of small CoCC that was difficult to diagnose preoperatively. CASE PRESENTATION: A 62-year-old woman was confirmed with a small liver nodule in the left lobe 2 years after a sustained virological response of hepatitis C virus. The size of the nodule was 11...
September 15, 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/28915429/neuroendocrine-tumor-of-the-extrahepatic-bile-duct-a-case-report
#7
Tsuyoshi Abe, Azuma Nirei, Nobuyasu Suzuki, Yukitoshi Todate, Ayaka Azami, Mitsuru Waragai, Atai Sato, Yoshinao Takano, Noriyuki Nishino, Hideo Sakuma, Yasushi Teranishi
INTRODUCTION: Neuroendocrine tumors (NETs) of the extrahepatic bile ducts are extremely rare neoplasms arising from endocrine cells and have variable malignant potential. They most commonly occur in young females and usually present with painless jaundice. PRESENTATION OF CASE: Here we present the case of an asymptomatic 57-year-old woman with NET of the common bile duct that was incidentally discovered on abdominal ultrasound during a medical examination. She was admitted to our hospital with a diagnosis of hepatic hilar tumor...
September 7, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28915102/acceleration-selective-arterial-spin-labeling-mr-angiography-used-to-visualize-distal-cerebral-arteries-and-collateral-vessels-in-moyamoya-disease
#8
Osamu Togao, Akio Hiwatashi, Makoto Obara, Koji Yamashita, Kazufumi Kikuchi, Ryotaro Kamei, Ataru Nishimura, Koichi Arimura, Koji Yoshimoto, Koji Iihara, Marc Van Cauteren, Hiroshi Honda
Purpose To evaluate and compare the performance of acceleration-selective arterial spin labeling (AccASL) magnetic resonance (MR) angiography in the visualization of cerebral arteries and collateral vessels in patients with Moyamoya disease with that of time-of-flight (TOF) MR angiography, with digital subtraction angiography (DSA) as the reference standard. Materials and Methods Thirty-six cerebral hemispheres from 22 patients with Moyamoya disease underwent TOF and AccASL MR angiography and DSA. Qualitative evaluations included imaging of the terminal internal carotid artery (ICA), distal middle cerebral arteries (MCAs), Moyamoya vessels, and leptomeningeal anastomosis (LMA) collaterals with reference to DSA...
September 15, 2017: Radiology
https://www.readbyqxmd.com/read/28912914/intraductal-ultrasonography-as-a-local-assessment-before-magnetic-compression-anastomosis-for-obstructed-choledochojejunostomy
#9
Hideaki Kawabata, Misuzu Hitomi, Naonori Inoue, Yukino Kawakatsu, Yuji Okazaki, Masatoshi Miyata
Magnetic compression anastomosis (MCA) has been developed as a non-surgical alternative treatment for biliary obstruction without serious complications. A 70-year-old woman who had undergone pancreaticoduodenectomy with modified Child reconstruction for pancreatic head cancer suffered from obstructed choledochojejunostomy with no recurrent findings 4 months after the operation. Cholangiography using the percutaneous transhepatic cholangiographic drainage (PTCD) and fluoroscopy revealed complete obstruction of the upper common bile duct, and the length of the obstruction was 7 mm...
August 2017: Gastroenterology Research
https://www.readbyqxmd.com/read/28877007/creation-of-an-esophageal-atresia-animal-model-using-a-bifurcated-esophagus-to-maintain-digestive-tract-continuity
#10
Ian C Glenn, Nicholas E Bruns, Steve J Schomisch, Todd A Ponsky
INTRODUCTION: We previously developed a porcine model of long gap pure esophageal atresia (EA) to aid in the creation of novel devices and techniques for treatment of EA. Shortcomings of the model included difficulty decompressing the proximal esophageal pouch (leading to recurrent aspiration) and a requirement for gastrostomy tube (G-tube) feeds. Therefore, we sought to create a porcine model with a bifurcated esophagus wherein one portion of the esophageal lumen retained patency and the other part mimicked EA...
October 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28843832/magnetic-compression-anastomosis-magnamosis-first-in-human-trial
#11
Claire E Graves, Catherine Co, Ryan S Hsi, Dillon Kwiat, Jill Imamura-Ching, Michael R Harrison, Marshall L Stoller
BACKGROUND: Magnetic compression anastomosis (magnamosis) uses a pair of self-centering magnetic Harrison Rings to create an intestinal anastomosis without sutures or staples. We report the first-in-human case series using this unique device. STUDY DESIGN: We conducted a prospective, single-center, first-in-human pilot trial to evaluate the feasibility and safety of creating an intestinal anastomosis using the Magnamosis device. Adult patients requiring any intestinal anastomosis to restore bowel continuity were eligible for inclusion...
August 23, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28838456/successful-treatment-of-stricture-of-duct-to-duct-biliary-anastomosis-after-living-donor-liver-transplantation-of-the-left-lobe-a%C3%A2-case%C3%A2-report
#12
Y Nakaseko, H Shiba, E Yamanouchi, Y Takano, T Sakamoto, H Imazu, H Ashida, K Yanaga
Biliary complications, such as stricture or obstruction, after living-donor liver transplantation (LDLT) remain major problems to be solved. Magnetic compression anastomosis (MCA) is a minimally invasive method of biliary anastomosis without surgery in patients with biliary stricture or obstruction. A 66-year-old woman had undergone LDLT for end-stage liver disease for primary biliary cholangitis 20 months previously at another hospital. Computerized tomography showed dilation of the intrahepatic bile duct (B2)...
September 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28745145/magnetic-compression-stricturoplasty-for-treatment-of-refractory-esophageal-strictures-in-children-technique-and-lessons-learned
#13
Russell Woo, Christopher Marc Wong, Zachary Trimble, Devin Puapong, Shannon Koehler, Scott Miller, Sidney Johnson
INTRODUCTION: Esophageal stricture is the most common complication following repair of esophageal atresia (EA). In general, these strictures are successfully managed using endoscopic techniques including bougie and balloon dilation, stenting, and chemotherapeutic agent application. If these techniques are unsuccessful, patients require segmental esophageal resection and reanastomosis or esophageal replacement. Magnetic compression anastomosis has been described in children. Herein we report our experience with magnetic compression stricturoplasty to treat refractory strictures after EA repair...
October 2017: Surgical Innovation
https://www.readbyqxmd.com/read/28740768/fmri-after-phalloplasty-with-nerve-anastomosis-in-a-trans-man-patient
#14
Roberto Doria-Medina, Åsa Carlsson, Emma H Jönsson, Lars Jönsson, Andri Thorarinsson, Mattias Lidén, Gennaro Selvaggi
We report on a case of a trans-man patient, who underwent penile reconstruction with the use of a radial forearm flap, urethroplasty, vaginectomy and scrotoplasty, insertion of testicle implants, and penile erection implants, similar to previously described methods. One of the requirements for an ideal phalloplasty is the preservation of erogenous sensitivity, which is often demanded by the patients for fulfilling their sexual well-being. For the first time known to us, we use a functional magnetic resonance imaging following radial forearm flap phalloplasty with nerve anastomosis to assess the cortical activation after clitoral stimulation...
June 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28716404/partial-jejunal-diversion-using-an-incisionless-magnetic-anastomosis-system-1-year-interim-results-in-patients-with-obesity-and-diabetes
#15
Evžen Machytka, Marek Bužga, Pavel Zonca, David B Lautz, Marvin Ryou, Donald C Simonson, Christopher C Thompson
BACKGROUND AND AIMS: Most patients with type 2 diabetes mellitus have obesity. Studies show that bariatric surgery is superior to medical treatment for remission of type 2 diabetes mellitus. Nevertheless, very few patients undergo surgery, and a less-invasive endoscopic alternative is desirable. METHODS: This was a single-arm first-in-human pilot study designed to evaluate the technical feasibility, safety, and clinical performance of the incisionless magnetic anastomosis system (IMAS) to create a partial jejunal diversion (PJD)...
July 14, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28695433/reconstruction-of-bile-duct-injury-and-defect-with-the-round-ligament
#16
Safi Dokmak, Béatrice Aussilhou, Emilia Ragot, Camille Tantardini, François Cauchy, Philippe Ponsot, Jacques Belghiti, Alain Sauvanet, Olivier Soubrane
Lateral injury of the bile duct can occur after cholecystectomy, bile duct dissection, or exploration. If direct repair is not possible, conversion to bilioenteric anastomosis can be needed with the risk of long-term bile duct infections and associated complications. We developed a new surgical technique which consist of reconstructing the bile duct with the round ligament. The vascularized round ligament is completely mobilized until its origin and used for lateral reconstruction of the bile duct to cover the defect...
July 10, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/28666506/diagnosis-and-therapy-of-ectopic-hepatocellular-carcinoma-growing-in-the-intrahepatic-bile-duct
#17
Min He, Haolu Wang, Fu Ji, Kewei Li, Tao Chen, Jian Wang
A 63-year male was admitted with abdominal pain, fever and jaundice. The contrast-enhanced computed tomography, magnetic resonance cholangiopancreatography and endoscopic retrograde cholangiography showed a mass in the hepatic hilar region with dilation of the intrahepatic bile duct. The left branch of portal vein was also compressed by the mass. The patient was diagnosed as intrahepatic bile duct carcinoma and underwent the left hemihepatectomy together with right hepatic duct jejunum anastomosis (Roux-en-Y)combined with hepatoduodenal ligament lymphadenectomy...
November 2016: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28664014/super-selective-balloon-test-occlusion-of-the-posterior-communicating-artery-in-the-treatment-of-a-posterior-cerebral-artery-fusiform-aneurysm-a-case-report
#18
Makoto Isozaki, Hiroshi Arai, Hiroyuki Neishi, Ryuhei Kitai, Ken-Ichiro Kikuta
We report the case of a 49-year-old man with underlying hypertension who developed diplopia lasting 2 months. Magnetic resonance imaging and digital subtraction angiography showed multi-lobular unruptured aneurysms in the P2 portion of the posterior cerebral artery (PCA) migrating into the interpeduncular cistern of the midbrain. Because the shapes of the aneurysms were serpentine fusiform and the posterior communicating artery (PCoA) was the fetal type, we planned anastomosis of the occipital artery to the P4 portion of the PCA followed by endovascular obliteration of the parent artery including the aneurysms...
October 2016: NMC Case Rep J
https://www.readbyqxmd.com/read/28660359/non-alcoholic-wernicke-s-encephalopathy-with-cortical-involvement-and-polyneuropathy-following-gastrectomy
#19
Wei-Chia Tsao, Long-Sun Ro, Chiung-Mei Chen, Hong-Chiu Chang, Hung-Chou Kuo
In this study, we present the clinical manifestations, brain magnetic resonance imaging (MRI) and concurrent polyneuropathies in two patients with non-alcoholic Wernicke's encephalopathy (WE) after gastrojejunostomy (Billroth II) anastomosis procedures. These patients developed sub-acute onset of disorientation and disturbance of consciousness following several weeks of poor intake. Peripheral neuropathy of varying severity was noted before and after the onset of WE. Brain MRI of the patients showed cerebellar vermis and symmetric cortical abnormalities in addition to typical WE changes...
June 28, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28643068/effects-of-barbed-suture-during-robot-assisted-radical-prostatectomy-on-postoperative-tissue-damage-and-longitudinal-changes-in-lower-urinary-tract-outcome
#20
Nobuhiro Haga, Noriaki Kurita, Tomohiko Yanagida, Soichiro Ogawa, Michihiro Yabe, Hidenori Akaihata, Junya Hata, Yuichi Sato, Kei Ishibashi, Osamu Hasegawa, Yoshiyuki Kojima
OBJECTIVE: To compare the postoperative tissue damage and longitudinal changes in functional and patient-reported outcomes after vesicourethral anastomosis with barbed suture and nonbarbed suture in robot-assisted laparoscopic radical prostatectomy (RARP). MATERIALS AND METHODS: This was a prospective cohort study involving 88 consecutive patients who underwent RARP. These patients were categorized into the barbed suture group (n = 50) and the nonbarbed suture group (n = 38)...
June 22, 2017: Surgical Endoscopy
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