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https://www.readbyqxmd.com/read/28428527/-treatment-strategy-for-complicated-acute-type-b-aortic-dissection-in-the-thoracic-endovascular-aortic-repair-era
#1
Norihisa Karube, Keiji Uchida, Shinichi Suzuki, Munetaka Masuda
Our treatment strategy for acute type B aortic dissection (ABAD) included complicated type is as follows. Indications of thoracic endovascular aortic repair (TEVAR) for ABAD are rupture and organ ischemia, and TEVAR has been the 1st line central repair therapy since January 2009 in our institution. At the time of TEVAR for ruptured communicating type ABAD, we usually seal the proximal entry tear and cover the existing range of hematoma at descending aorta. Procedures for ABAD with malperfusion should be changed according to the patient's condition such as branch vessel obstructions either dynamic type or static type...
April 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28376705/a-double-nellix-and-chimney-covered-stents-challenging-treatment-of-pararenal-aortic-aneurysm
#2
Nazzareno Stella, Roberta Ficarelli, Raffaele Dito, Domitilla Brancadoro, Michele Rossi, Maurizio Taurino
A 77-year-old male patient presented with a symptomatic, 66-mm pararenal aortic aneurysm. The patient was classified as unsuitable for open surgery due to significant comorbidities. Fenestrated or branched endografts were contraindicated due to the poor iliac access (6 mm diameter). A double Nellix with chimney endovascular aneurysm sealing (ChEVAS) technique was selected to exclude the pararenal aortic aneurysm and to preserve renal arteries and the superior mesenteric artery. Technical preplanning considered the ideal proximal landing zone to be close to the origin of the almost occluded celiac trunk and the distal common iliac arteries as the ideal distal landing zone...
May 2017: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28350273/a-randomized-comparative-trial-of-otsc-and-padlock-for-upper-gi-hemostasis-in-a-standardized-experimental-setting
#3
Ruediger L Prosst, Thomas Kratt
INTRODUCTION: Upper gastrointestinal bleeding (UGIB) is the key emergency situation in clinical endoscopy and is traditionally treated with injection, thermal or through the scope clipping therapy. Mortality rates are in the range of 8-10% and demand new treatment approaches. The Over-The-Scope Clip (OTSC(®)) has been described as a very effective hemostatic device in UGIB. We compared OTSC with the Padlock™ device in an established pre-clinical setting. MATERIAL AND METHODS: Our test-bed consisted of the biohybrid EASIE model using soft silicone tubes, tunneled into the gastric wall and surfacing at a mucosa defect, representing the bleeding site...
April 2017: Minimally Invasive Therapy & Allied Technologies: MITAT
https://www.readbyqxmd.com/read/28346863/lymph-node-dissection-using-bipolar-vessel-sealing-device-during-reduced-port-laparoscopic-distal-gastrectomy-for-gastric-cancer-result-of-a-pilot-study-from-a-single-institute
#4
Chang Min Lee, Da Won Park, Sungsoo Park, Jong-Han Kim, Seong-Heum Park, Chong-Suk Kim
INTRODUCTION: The electrothermal bipolar vessel-sealing device (BVSD) is known to supply a strong vessel-sealing power. However, only few studies have reported lymph node dissection (LND) using only BVSD during laparoscopic surgery for gastric cancer. The purpose of this study was to investigate the feasibility of LND using BVSD during reduced port laparoscopic distal gastrectomy for gastric cancer. METHODS: From May 2015, patients in whom three- or single-port laparoscopic distal gastrectomy had been engaged for gastric cancer were enrolled in this study...
March 27, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28334606/gradual-suppression-of-transcytosis-governs-functional-blood-retinal-barrier-formation
#5
Brian Wai Chow, Chenghua Gu
Blood-central nervous system (CNS) barriers partition neural tissues from the blood, providing a homeostatic environment for proper neural function. The endothelial cells that form blood-CNS barriers have specialized tight junctions and low rates of transcytosis to limit the flux of substances between blood and CNS. However, the relative contributions of these properties to CNS barrier permeability are unknown. Here, by studying functional blood-retinal barrier (BRB) formation in mice, we found that immature vessel leakage occurs entirely through transcytosis, as specialized tight junctions are functional as early as vessel entry into the CNS...
March 22, 2017: Neuron
https://www.readbyqxmd.com/read/28334448/carotid-artery-bursting-pressure-and-seal-time-after-multiple-uses-of-a-vessel-sealing-device
#6
Jocelin S Blake, Brian J Trumpatori, Kyle G Mathews, Emily H Griffith
OBJECTIVE: To determine any loss of function of a single-use bipolar vessel sealing device after repeated sterilization and use on canine carotid arteries. STUDY DESIGN: Ex vivo; randomized block design (dog). SAMPLE POPULATION: Carotid artery segments (n = 90) from 15 canine cadavers. METHODS: Six 10-mm LigaSure Atlas 20 cm devices (Covidien Inc, Minneapolis, Minnesota) were used to seal canine carotid artery segments in one cadaver, then resterilized using ethylene oxide and reused in a second cadaver, and so on, for a total of 15 uses/15 cadavers per LigaSure...
March 23, 2017: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/28331452/balloon-occlusion-technique-for-managing-portal-vein-hemorrhage-in-liver-transplantation
#7
John B Seal, Humberto Bohorquez, Naren Battula, Lucia DeGregorio, Emily Bugeaud, David S Bruce, Ian C Carmody, Ari J Cohen, George E Loss
BACKGROUND: Portal vein thrombosis (PVT) is relatively common among candidates for liver transplantation and can present significant intraoperative challenges. Depending on the extent of PVT, thromboendovenectomy (TEV), portal bypass, or systemic inflow may be required to restore portal inflow. While TEV is the most commonly used approach to restore anatomic portal inflow, portal vein injury and life-threatening hemorrhage are risks with this technique. CASE REPORT: We present a salvage technique for managing portal vein injury during TEV using intraluminal balloon occlusion of the portal vein during portal vein repair and reconstruction...
2017: Ochsner Journal
https://www.readbyqxmd.com/read/28314072/cordless-ultrasonic-dissector-versus-advanced-bipolar-vessel-sealing-device-for-laparoscopic-ovariectomy-in-dogs
#8
Anneleen L Spillebeen, Sara S D S Janssens, Rachel E Thomas, Jolle Kirpensteijn, Sebastiaan A van Nimwegen
OBJECTIVE: To compare Sonicision cordless ultrasonic dissector (SCUD) to LigaSure vessel sealing device (LVSD) for laparoscopic ovariectomy (Lap OVE) in dogs. STUDY DESIGN: Randomized, paired prospective clinical trial. ANIMALS: Client-owned dogs (n = 22) presented for elective Lap OVE. METHODS: Dogs were randomly assigned to one of two protocols: protocol 1 required the left ovary resected using SCUD and the right ovary using LVSD; protocol 2 required the left ovary resected using LVSD and the right ovary using SCUD...
March 17, 2017: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/28274882/vacuum-sealing-drainage-as-a-pre-surgical-adjunct-in-the-treatment-of-complex-open-hand-injuries-report-of-17-cases
#9
Xiao-Feng Niu, Jian-Hua Yi, Guo-Qin Zha, Jun Hu, Yun-Jiang Liu, Liang-Bao Xiao
BACKGROUND: Few studies have been conducted to explore the use of the vacuum sealing drainage (VSD) technique in complex hand injuries. The aim of this study was to report outcomes in patients with complex hand injuries receiving VSD as a coadjuvant treatment prior to second-stage surgery. METHODS: This case series study retrospectively reviewed the patients who underwent VSD for treatment of hand injuries. Inclusion criteria for the study were: (1) traumatic soft tissue defects of the hand and wrist, accompanied by different degrees of injury and exposure of bone, tendon, or blood vessel; (2) the wound surface of hand and wrist was seriously contaminated and direct wound closure was not possible; and (3) the soft tissues of hand and wrist were seriously lacerated or avulsed, and showed necrosis or acute infection...
March 5, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28267665/laparoscopic-partial-splenectomy-for-congenital-splenic-cyst-in-a-pediatric-patient-case-report-and-review-of-literature
#10
Ulises Garza-Serna, Christian Ovalle-Chao, David Martinez, Eduardo Flores-Villalba, Jose A Diaz-Elizondo, Ulises de Jesus Garza-Luna
Non-parasitic splenic cysts (NPSC) are a rare condition that makes difficult to know their true incidence and represent 10% of all benign splenic cysts, they can be either congenital with the presence of epithelial lining that originate from invagination of the capsular mesothelial lining or post-traumatic with absence of epithelial lining. We present our management of a splenic congenital cyst in a pediatric patient. A 10-year-old female patient presented to the clinic complaining with a 3-week abdominal pain at the left upper quadrant...
February 20, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28256727/laparoscopic-cryptorchidectomy-with-a-vessel-sealing-device-in-dorsal-recumbent-horses-43-cases
#11
José L Bracamonte, Keri L Thomas
OBJECTIVE: To document laparoscopic cryptorchidectomy with a vessel-sealing device in dorsal recumbent horses. STUDY DESIGN: Retrospective study. ANIMALS: Forty-three male horses. METHODS: Food was withheld for 36 hours before horses were placed under general anesthesia and positioned in dorsal recumbency. One laparoscopic portal and 2 instrument portals were placed for the laparoscopic procedure. A third instrument portal was created in bilateral cryptorchid horses...
March 3, 2017: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/28207376/hookworm-infection-in-south-american-fur-seal-arctocephalus-australis-pups
#12
M Seguel, F Muñoz, M J Navarrete, E Paredes, E Howerth, N Gottdenker
Tissues of South American fur seal pups naturally infected with hookworms ( Uncinaria sp) were examined. Hookworm infection was found in nearly all pups examined (132/140, 94%), and hookworm enteritis with secondary bacteremia was considered the cause of death in 46 (35%) pups. Common findings in these pups included severe hemorrhagic enteritis and numerous (mean intensity = 761.8) hookworms in the jejunum. Hookworms were recovered from the abdominal cavity in 12 of 55 pups (22%) examined through peritoneal wash; these pups had an average of 1343...
March 2017: Veterinary Pathology
https://www.readbyqxmd.com/read/28181450/management-of-iatrogenic-aortal-dissection-as-a-complication-of-coronary-intervention-wait-and-watch
#13
Rajesh Dandale, Alexander Krapivsky, Feraydoon Niroomand
Iatrogenic aortic dissection (AD) is quite a rare complication during percutaneous coronary intervention (PCI). The exact mechanism of iatrogenic AD during PCI is unknown. A standard of care in the management of iatrogenic AD is still lacking. We describe a case of an 83-year-old man, with an aortocoronary bypass graft, who underwent complex PCI with rotational atherectomy catheterization with a radial approach for a chronic right coronary artery stenosis, complicated by AD. According to our experience, retrograde dissection into the aorta during PCI can be sealed with a coronary stent that covers the coronary ostium and should be treated conservatively in most circumstances, unless complication like extension of dissection into other vessels or pericardial effusion or hemodynamic instability occurs...
March 2017: Future Cardiology
https://www.readbyqxmd.com/read/28159116/development-of-a-new-biodegradable-operative-clip-made-of-a-magnesium-alloy-evaluation-of-its-safety-and-tolerability-for-canine-cholecystectomy
#14
Toshihiko Yoshida, Takumi Fukumoto, Takeshi Urade, Masahiro Kido, Hirochika Toyama, Sadaki Asari, Tetsuo Ajiki, Naoko Ikeo, Toshiji Mukai, Yonson Ku
BACKGROUND: Operative clips used to ligate vessels in abdominal operation usually are made of titanium. They remain in the body permanently and form metallic artifacts in computed tomography images, which impair accurate diagnosis. Although biodegradable magnesium instruments have been developed in other fields, the physical properties necessary for operative clips differ from those of other instruments. We developed a biodegradable magnesium-zinc-calcium alloy clip with good biologic compatibility and enough clamping capability as an operative clip...
January 31, 2017: Surgery
https://www.readbyqxmd.com/read/28144764/prospective-analysis-of-the-sealing-ability-of-the-enseal-%C3%A2-g2-articulating-tissue-sealer-and-transector-on-human-mesenteric-vessels-in-colorectal-surgery
#15
B Balachandran, G Melich, T Mustafa, S J Marecik, L M Prasad, M Gonzalez, S Sulo, F Dabbous, J J Park
BACKGROUND: The sealing and transection of mesenteric vessels is a crucial step in minimally invasive colorectal surgery. We examined the sealing quality of the ENSEAL(®) G2 Articulating Tissue Sealer in three different articulations in mesenteric vessels. METHODS: This was a prospective experimental study within a tertiary healthcare center, and 30 patients were recruited. Burst pressures for each specimen were measured as the primary outcome. Ten specimens at each of the three articulations were also histologically assessed for the quality of seal...
February 2017: Techniques in Coloproctology
https://www.readbyqxmd.com/read/28124281/a-single-centre-experience-of-zero-ischaemia-laparoscopic-partial-nephrectomy-in-ireland
#16
C Browne, P E Lonergan, E M Bolton, F D'Arcy, T H Lynch
BACKGROUND: Nephron-sparing surgery in the form of partial nephrectomy is increasingly becoming the standard of care in patients with small renal tumours. Oncological outcomes for partial nephrectomy are equivalent to radical nephrectomy, however, clamping of the hilar vessels to allow resection of tumours during partial nephrectomy may cause ischaemic damage to the kidney and result in long-term renal impairment. AIM: We carried out a retrospective review of 43 patients undergoing laparoscopic partial nephrectomy (LPN) and assessed functional and oncological outcomes...
January 25, 2017: Irish Journal of Medical Science
https://www.readbyqxmd.com/read/28120581/iatrogenic-subclavian-artery-perforation-rescued-by-operator-modified-graft-stent
#17
Chih Hung Lai, Chung Lin Tsai, Wei Chun Chang, Chieh Shou Su, Wen Lieng Lee
Subclavian artery (SCA) perforation is a rare complication while performing SCA intervention. In our present report, a 73-year-old female, with stenosis of the left SCA and situs inversus, presented with exercise-induced left arm weakness. The SCA stenosis was treated with direct stenting with a balloon-expansible Express LD 10×25 mm stent. However, it caused iatrogenic SCA perforation and hemothorax. The perforation was sealed by endovascular repair with operator-modified Endurant II graft stent, which complicated with occlusion of left common carotid artery...
March 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/28119477/comparison-of-a-5-mm-and-10-mm-vessel-sealing-device-in-an-open-ovariectomy-model-in-dogs
#18
N Devriendt, B Van Goethem, L Van Brantegem, M De Ridder, A Kitshoff, M Or, H de Rooster
The objectives of this study were to compare (1) the extent of thermal damage and (2) the time between the 5-mm LigaSure V (LS5) and 10-mm LigaSure Atlas (LS10) vessel sealing devices (VSD) when performing open ovariectomy in dogs. A prospective, randomised, clinical trial was performed in 40 client-owned sexually entire female dogs. In each dog, one ovary was randomly assigned to be surgically removed using LS5 and the contralateral using LS10. The depth of thermal spread, measured on histopathological preparations, was significantly larger for LS10 (LS10 1...
January 24, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28112765/a-microfluidic-circulatory-system-integrated-with-capillary-assisted-pressure-sensors
#19
Yangfan Chen, Ho Nam Chan, Sean A Michael, Yusheng Shen, Yin Chen, Qian Tian, Lu Huang, Hongkai Wu
The human circulatory system comprises a complex network of blood vessels interconnecting biologically relevant organs and a heart driving blood recirculation throughout this system. Recreating this system in vitro would act as a bridge between organ-on-a-chip and "body-on-a-chip" and advance the development of in vitro models. Here, we present a microfluidic circulatory system integrated with an on-chip pressure sensor to closely mimic human systemic circulation in vitro. A cardiac-like on-chip pumping system is incorporated in the device...
January 23, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/28089592/stapleless-laparoscopic-sleeve-gastrectomy-preliminary-report
#20
Jose Luis Leyba, Salvador Navarrete Llopis, Salvador Navarrete Aulestia, Ricardo Ochoa, Eliana Azuaje
BACKGROUND: Laparoscopic sleeve gastrectomy (SG) as a single-stage procedure for the treatment of morbid obesity is becoming increasingly popular. In undeveloped countries, the linear staples required to create the sleeve are not always available because of their high cost. As an alternative to the staples, the bipolar vessel sealer device could be used in bariatric surgery to divide and temporarily seal the stomach. SETTINGS: Universidad Central de Venezuela, Caracas, Venezuela...
December 7, 2016: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
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