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https://www.readbyqxmd.com/read/28226353/-comparison-of-complications-following-open-laparoscopic-and-robotic-gastrectomy
#1
Xin Lan, Hongqing Xi, Kecheng Zhang, Jianxin Cui, Mingsen Li, Lin Chen
OBJECTIVE: To compare clinically relevant postoperative complications after open, laparoscopic, and robotic gastrectomy for gastric cancer. METHODS: Clinical data of patients with gastric cancer who underwent gastrectomy between January 1, 2014 and October 1, 2016 at Chinese People's Liberation Army General Hospital were analyzed retrospectively. All the patients were diagnosed by upper endoscopy and confirmed by biopsy without distant metastasis. They were confirmed with R0 resection by postoperative pathology...
February 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28226348/-the-key-points-of-prevention-for-special-surgical-complications-after-radical-operation-of-gastric-cancer
#2
Hao Xu, Weizhi Wang, Panyuan Li, Diancai Zhang, Li Yang, Zekuan Xu
Incidence of gastric cancer is high in China and standard radical operation is currently the main treatment for gastric cancer. Postoperative complications, especially some special complications, can directly affect the prognosis of patients, even result in the increase of mortality. But the incidences of these special complications are low, so these complications are often misdiagnosed and delayed in treatment owing to insufficient recognition of medical staff. These special complications include (1) Peterson hernia: It is an abdominal hernia developed in the space between Roux loop and transverse colon mesentery after Roux-Y reconstruction of digestive tract...
February 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28218546/renal-artery-revascularization-by-using-the-riolan-anastomosis-as-feeding-vessel-in-a-patient-with-abdominal-aortic-coarctation-due-to-fibromuscular-dysplasia
#3
Christina Salmoukas, Stefan Ruemke, Jan Hinrich Bräsen, Axel Haverich, Omke Enno Teebken
Fibromuscular dysplasia is a non-inflammatory, non-atherosclerotic vascular disease, occurring predominantly in younger females. A histologically heterogeneous group of fibroplasia without an inflammatory component causes arterial narrowing. It affects mostly one or both renal arteries, cervicocranial or visceral arteries, leading to hypertension, renal failure/renal infarction or stroke/transient ischaemic attack. We present the case of a young female patient with abdominal aortic coarctation, history of acute renal failure, and critical hypertension due to pseudo-occlusion of both renal arteries...
February 20, 2017: VASA. Zeitschrift Für Gefässkrankheiten
https://www.readbyqxmd.com/read/28216076/total-esophageal-substitution-for-combined-hypopharyngeal-and-esophageal-strictures-after-corrosive-injury-in-children
#4
Ana Cristina Aoun Tannuri, Uenis Tannuri
BACKGROUND/PURPOSE: The treatment of children with esophageal strictures and involvement of the hypopharynx caused by caustic substance ingestion continues to be challenging. The aims of the present study are to describe the peculiarities of the technique of complete esophageal substitution for the treatment of children with severe caustic strictures (pharyngocoloplasties) and to compare the results to those of classical esophagocoloplasty with thoracic and abdominal esophageal substitution in another group of children...
February 12, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28208423/modeling-angiogenesis-a-discrete-to-continuum-description
#5
Samara Pillay, Helen M Byrne, Philip K Maini
Angiogenesis is the process by which new blood vessels develop from existing vasculature. During angiogenesis, endothelial tip cells migrate via diffusion and chemotaxis, loops form via tip-to-tip and tip-to-sprout anastomosis, new tip cells are produced via branching, and a vessel network forms as endothelial cells follow the paths of tip cells. The latter process is known as the snail trail. We use a mean-field approximation to systematically derive a continuum model from a two-dimensional lattice-based cellular automaton model of angiogenesis in the corneal assay, based on the snail-trail process...
January 2017: Physical Review. E
https://www.readbyqxmd.com/read/28192772/direct-3d-bioprinting-of-prevascularized-tissue-constructs-with-complex-microarchitecture
#6
Wei Zhu, Xin Qu, Jie Zhu, Xuanyi Ma, Sherrina Patel, Justin Liu, Pengrui Wang, Cheuk Sun Edwin Lai, Maling Gou, Yang Xu, Kang Zhang, Shaochen Chen
Living tissues rely heavily on vascular networks to transport nutrients, oxygen and metabolic waste. However, there still remains a need for a simple and efficient approach to engineer vascularized tissues. Here, we created prevascularized tissues with complex three-dimensional (3D) microarchitectures using a rapid bioprinting method - microscale continuous optical bioprinting (μCOB). Multiple cell types mimicking the native vascular cell composition were encapsulated directly into hydrogels with precisely controlled distribution without the need of sacrificial materials or perfusion...
February 2, 2017: Biomaterials
https://www.readbyqxmd.com/read/28190718/unilateral-inline-replacement-of-infected-aortofemoral-graft-limb-with-femoral-vein
#7
Christian D Simmons, Ahsan T Ali, Kousta Foteh, Matthew R Abate, Matthew R Smeds, Horace J Spencer, G Patrick Clagett
OBJECTIVE: Aortic graft infection remains a formidable challenge for the vascular surgeon. Traditionally, reconstruction with a neoaortoiliac system (NAIS) involves removal of the entire synthetic graft with in situ reconstruction using femoral vein. Whereas the NAIS procedure is durable with excellent graft patency and a low reinfection rate, it can take up to 10 hours and result in a high perioperative complication rate with significant mortality. Not infrequently, the infection is limited to a single limb...
February 9, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28179542/surgical-technique-for-venous-patch-aneurysms-with-no-neck-in-a-rabbit-model
#8
Kilian Greim-Kuczewski, Alejandro Berenstein, Sebastian Kis, Anna Hauser, Monika Killer-Oberpfalzer
BACKGROUND: Animal experimental studies are crucial for the development of endovascular devices and embolization techniques for intracranial aneurysms. The aim of the study was to describe the surgical creation technique for an aneurysm with a dilated shape and no definable aneurysm neck. The model should be reproducible in size and shape and stay patent over a long period of time. It should constitute a challenge to endovascular therapy and provide a valuable testing environment for new endovascular devices and techniques...
February 8, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28168675/vascular-coupling-system-for-end-to-end-anastomosis-an-in-vivo-pilot-case-report
#9
Huizhong Li, Bruce Gale, Jill Shea, Himanshu Sant, Christi M Terry, Jay Agarwal
This paper presents the latest in vivo findings of a novel vascular coupling system. Vascular anastomosis is a common procedure in reconstructive surgeries and traditional hand suturing is very time consuming. The vascular coupling system described herein was designed to be used on arteries for a rapid and error-free anastomosis. The system consists of an engaging ring made from high density polyethylene using computer numerical control machining and a back ring made from polymethylmethacrylate using laser cutting...
February 6, 2017: Cardiovascular Engineering and Technology
https://www.readbyqxmd.com/read/28157642/cervicovaginal-agenesis-treated-with-modified-yang-monti-technique-in-two-steps-case-report-and-literature-review
#10
J Acosta-León, A Pantoja-Rojas, J R Corona-Rivera, E López-Marure, C F Ploneda-Valencia
INTRODUCTION: Müllerian duct anomalies are rare with less than 200 cases published in the literature. Recently, the implementation of the Yang-Monti principle for the creation of the neovagina has been used in 10 previous published cases. Here, we report the first case of cervicovaginal agenesis treated with the modified Yang-Monti technique in two steps in México. PRESENTATION OF CASE: A 14-year-old female presented to the pediatric consult with a history of primary amenorrhea and a chronic-cyclic pelvic pain...
January 19, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28150520/an-anatomical-study-on-the-availability-of-contralateral-recipient-vessels-in-hemi-mandibular-reconstruction-with-vascularised-free-fibula-transfer
#11
Shogo Kasai, Tomohisa Nagasao, Yoshiaki Sakamoto, Yusuke Shimizu, Nobuaki Imanishi, Kazuo Kishi
BACKGROUND: In mandibular reconstruction with vascularised free fibula transfer, there are situations where the neck on the operated site lacks recipient vessels for vascular anastomosis due to previous radiological/surgical interventions. METHODS: The present study aims to clarify the availability of neck vessels on the contralateral side in such situations. Experimental surgery was conducted on 20 fresh cadavers (six males and 14 females). After the left half of the mandible was removed, free vascularised fibula of equivalent length was transferred to fill the defect...
February 2, 2017: Journal of Plastic Surgery and Hand Surgery
https://www.readbyqxmd.com/read/28149549/calcification-of-arteries-supplying-the-gastric-tube-increases-the-risk-of-anastomotic-leakage-after-esophagectomy-with-cervical-anastomosis
#12
Liang Zhao, Gefei Zhao, Jiagen Li, Bin Qu, Susheng Shi, Xiaoli Feng, Hao Feng, Jun Jiang, Qi Xue, Jie He
BACKGROUND: Anastomotic leak is an important cause of morbidity and mortality after esophagectomy for esophageal cancer patients. Calcification of the arteries supplying the gastric tube has been found to be associated with leakage after esophagectomy with cervical anastomosis in Europeans. The purpose of this study is to evaluate the association between calcifications of the supplying arteries of the gastric tube and the occurrence of anastomotic leakage after esophagectomy with cervical anastomosis in Chinese patients with esophageal cancer...
December 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28145929/reconstruction-of-extensive-orbital-exenteration-defects-using-an-anterolateral-thigh-vastus-lateralis-chimeric-flap
#13
Tekin Simsek, Murat Sinan Engin, Kamil Yildirim, Enes Agah Kodalak, Ahmet Demir
Neglected malignant tumors within the orbital region can invade the eyeball, extraocular muscles, and bone substance surrounding the eye. Such patients require orbital exenteration, which may involve extraocular skeletal structures (even exposing paranasal sinuses), resulting in 3-dimensional defects requiring reconstruction. This study presents our experience with anterolateral thigh vastus lateralis (ALT/VL) chimeric free flaps for the reconstruction of extensive orbital exenteration defects involving various paranasal sinuses...
January 31, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28141679/abdominal-arterial-anomalies-in-children-with-alagille-syndrome-surgical-aspects-and-outcomes-of-liver-transplantation
#14
Jules Kohaut, Romain Pommier, Florent Guerin, Danièle Pariente, Emmanuel Jacquemin, Hélène Martelli, Sophie Branchereau
OBJECTIVES: Angiogenic defects secondary to gene mutations of JAG1 and NOTCH2, causing arterial anomalies in Alagille syndrome (AGS), are well described in the literature. The study analyzes the frequency of abdominal arterial anomalies in children with AGS with an emphasis on outcomes following liver transplantation (LT). METHODS: Between 1988 and 2013, 242 children with AGS were treated at our institution. We performed a retrospective analysis of 55 who underwent LT during the study period...
January 28, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28139455/vascular-anatomy-in-children-with-univentricular-hearts-regarding-transcatheter-bidirectional-glenn-anastomosis
#15
Aleksander Sizarov, Francesca Raimondi, Damien Bonnet, Younes Boudjemline
BACKGROUND: Transcatheter stent-secured Glenn anastomosis, aiming to reduce the invasiveness of palliation in patients with univentricular heart defects, has been reported in large experimental animals. The advent of biodegradable stents and tissue-engineered vascular grafts will make this procedure a reality in human patients. However, the relationship between the superior vena cava (SVC) and the right pulmonary artery (RPA) is different in humans. AIM: To characterise vascular anatomy in children with univentricular hearts, regarding technical aspects and device design for this procedure...
January 27, 2017: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/28132091/a-case-of-unusual-configuration-of-the-right-bronchial-arteries-combined-with-cryptogenic-severe-bilateral-hypertrophy
#16
Santiago Rojas, Eduard Quintana, Marisa Ortega, Alfonso Rodríguez-Baeza
Bronchial arteries commonly originate from thoracic aorta between T5 and T6. Ectopic origins from aortic arch, supraortic trunks and their branches, coronary arteries, and even abdominal aorta have been described in the literature. In some circumstances, such as pulmonary artery malformations, chronic embolism, or inflammatory diseases of the lung, the bronchial arteries become hypertrophied and eventually could be the only supply of pulmonary circulation. Here, we describe a case of an elderly man who presented an unusual pattern of bronchial arteries of the right lung combined with severe bilateral hypertrophy of bronchial vessels...
January 28, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28128912/robotic-assisted-radical-cystoprostatectomy-and-intracorporeal-ileal-conduit-urinary-diversion-for-a-kidney-transplant-recipient
#17
Peter A Caputo, Daniel Ramirez, Matthew Maurice, Ryan Nelson, Onder Kara, Ercan Malkoc, David Goldfarb, Jihad Kaouk
INTRODUCTION AND OBJECTIVES: Robotic assisted radical cystectomy (RARC) is an alternative to open radical cystectomy. As experience is gained with the RARC approach the technique is being applied to more complex surgical cases. We describe here our technique for RARC with intracorporeal ileal conduit urinary diversion for a renal transplant recipient. MATERIALS AND METHODS: The patient is a 60-year old man with high-grade muscle invasive bladder cancer. He has a history of renal failure due to polycystic kidney disease and received a deceased donor renal transplant in 2008...
January 27, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28126980/-a-case-of-cervical-internal-carotid-artery-occlusion-presenting-with-subarachnoid-hemorrhage-caused-by-rupture-of-leptomeningeal-anastomosis
#18
Tsuyoshi Tsukada, Toru Masuoka, Hideo Hamada, Shoutarou Itou, Takuya Akai, Hideaki Iizuka
A 71-year-old man was admitted to our hospital with a diagnosis of subarachnoid hemorrhage (SAH). Angiographies revealed neither aneurysms nor vascular anomalies. However, these images elucidated the occlusion of the left cervical internal carotid artery as well as developed leptomeningeal anastomoses through the ipsilateral posterior cerebral artery, which resulted in blood perfusing the ipsilateral middle and anterior cerebral artery territories. Because the localization of SAH coincided with the developed leptomeningeal anastomosis, we speculated that the rupture of the developed leptomeningeal anastomosis in the basal cistern was the cause of SAH...
January 2017: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/28125322/popliteal-fossa-reconstruction-with-a-medial-sural-artery-perforator-free-flap-using-the-medial-sural-vessel-as-the-recipient
#19
Kyu Nam Kim, Sang Il Kim, Won Ha, Chi Sun Yoon
BACKGROUND: Reconstruction of the popliteal fossa using a free flap is challenging. Therefore, to facilitate easier free flap reconstruction of the popliteal fossa, we use a medial sural artery perforator (MSAP) free flap with a medial sural vessel as the recipient vessel, as it provides several advantages based on many reports. METHODS: This report describes the authors' experience and outcomes with this technique. Between October 2010 and January 2015, 10 patients with medium-sized defects in their popliteal fossa underwent MSAP free flap reconstruction using the medial sural vessel as the recipient vessel...
January 26, 2017: Journal of Plastic Surgery and Hand Surgery
https://www.readbyqxmd.com/read/28118227/a-mouse-model-of-vascularized-skin-transplantation
#20
Jianke Ding, Yingjun Su, Shiqiang Liu, Yang Yang, Bo Zhou, Zhou Yu, Bo Xiao, Shuzhong Guo
BACKGROUND: Allogeneic skin tissues are highly antigenic and induce intensive immune rejection after composite tissue allotransplantation. Mouse models have advantages in mechanistic studies of immune rejection. However, due to technical challenge in vascular anastomosis with suture technique, mouse vascularized skin allotransplantation models are not widely used in studies of immune rejection. Therefore, the authors propose vascular anastomosis through cuff technique during allotransplantation of mouse donor free groin skin flaps to either recipient inguinal or cervical site...
January 23, 2017: Annals of Plastic Surgery
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