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https://www.readbyqxmd.com/read/28231605/endonasal-versus-external-dacryocystorhinostomy-for-nasolacrimal-duct-obstruction
#1
REVIEW
Lona Jawaheer, Caroline J MacEwen, Deepa Anijeet
BACKGROUND: A dacryocystorhinostomy (DCR) procedure aims to restore drainage of tears by bypassing a blockage in the nasolacrimal duct, through the creation of a bony ostium that allows communication between the lacrimal sac and the nasal cavity. It can be performed using endonasal or external approaches. The comparative success rates of these two approaches have not yet been established and this review aims to evaluate the relevant up-to-date research. OBJECTIVES: The primary aim of this review is to compare the success rates of endonasal DCR with that of external DCR...
February 24, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28231374/mechanical-venous-anastomosis-in-head-and-neck-microvascular-reconstruction-as-an-equivalent-to-the-gold-standard
#2
Eric Thorpe, Yash Patil
To define the most successful and efficient manner to perform venous microvascular anastomoses, the effectiveness of mechanical venous anastomosis in head and neck microvascular reconstruction is reviewed. Head and neck reconstruction with free flap techniques has become the norm and gold standard for large defects. This retrospective, multicenter case series of a single microvascular surgeon's experience with mechanical venous anastomoses specifically assessed the effectiveness of head and neck reconstruction and the complications associated with it...
February 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/28230584/microsurgical-replantation-of-total-avulsed-scalp-extending-the-limits
#3
Yunbo Jin, Chen Hua, Xiaojie Hu, Hui Chen, Gang Ma, Yun Zou, Bin Chen, Dongze Lyu, Mathias Tremp, Xiaoxi Lin
BACKGROUND: Avulsion of the scalp is a rare but severe trauma and challenging to the reconstructive surgeon. It poses not only physical concussion but also significant persisting psychological distress to the patients. METHODS: Medical records from 5 patients who suffered scalp avulsion were reviewed retrospectively. The following data and methods were assessed: age, number of vessels repaired, method of replantation, vein grafts required, blood transfusion, ischemia time, total operating time, and percentage of scalp survival...
February 22, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28228173/optimization-of-vascular-casting-for-three-dimensional-fluorescence-cryo-imaging-of-collateral-vessels-in-the-ischemic-rat-hindlimb
#4
Janina C V Schwarz, Monique G J T B van Lier, Erik N T P Bakker, Judith de Vos, Jos A E Spaan, Ed VanBavel, Maria Siebes
Development of collateral vessels, arteriogenesis, may protect against tissue ischemia, however, quantitative data on this process remain scarce. We have developed a technique for replicating the entire arterial network of ischemic rat hindlimbs in three dimensions (3D) based on vascular casting and automated sequential cryo-imaging. Various dilutions of Batson's No. 17 with methyl methacrylate were evaluated in healthy rats, with further protocol optimization in ischemic rats. Penetration of the resin into the vascular network greatly depended on dilution; the total length of casted vessels below 75 µm was 13-fold higher at 50% dilution compared with the 10% dilution...
February 2017: Microscopy and Microanalysis
https://www.readbyqxmd.com/read/28225921/model-for-simulated-training-of-laparoscopic-gastroenterostomy
#5
Márcio Alencar Barreira, Delano Gurgel Siveira, Hermano Alexandre Lima Rocha, Luiz Gonzaga de Moura, Charles Jean Gomes de Mesquita, Gleydson Cesar de Oliveira Borges
Purpose: To develop a model of gastroenterostomy and to analyze the acquisition of skills after training by simulation. Methods: Experimental longitudinal study and of a quantitative character. The sample consisted of twelve general surgery residents from four hospitals. The training consisted of making ten anastomoses divided equally into five sessions and it took place over a period of six weeks. The evaluation of the anastomoses considered the time and the analysis of the operative technique through the global evaluation scale Objective Structured Assessment of Technical Skills (OSATS)...
January 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28223057/patency-of-saphenous-vein-grafts-using-the-pas-port-system-during-coronary-artery-bypass-surgery
#6
Hiroshi Kubota, Hidehito Endo, Hikaru Ishii, Hiroshi Tsuchiya, Yu Takahashi, Yusuke Inaba, Mio Noma, Akihiro Yoshimoto, Satoshi Higuchi, Hideyasu Kohshoh, Seiichi Taniai, Haruhisa Ishiguro, Hideaki Yoshino, Kenichi Sudo
BACKGROUND: Several proximal anastomosis devices have been developed to shorten the time required for a proximal anastomosis and to avoid aortic cross-/side-clamping during coronary artery bypass grafting. This study retrospectively examined the patency of saphenous vein grafts (SVGs) using the PAS-Port System (Cardia Inc, Redwood City, CA). METHODS: From 2004 to 2014, 451 patients underwent coronary artery bypass graft operations requiring at least 1 proximal anastomosis using a PAS-Port device...
February 18, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28219139/-outcome-of-relaying-anterolateral-thigh-perforator-flap-in-resurfacing-the-donor-site-wound-following-free-anteromedial-thigh-perforator-flap-transfer-for-reconstruction-of-defect-after-oral-tumor-radical-resection
#7
D J Song, Z Li, X Zhou, Y X Zhang, X W Peng, B Zhou, C L Lyu, L C Yang, W Peng
Objective: To observe the outcome of relaying anterolateral thigh (ALT) perforator flap in resurfacing the donor site wound following free anteromedial thigh (AMT) perforator flap transfer for reconstruction of defect after oral tumor radical resection. Methods: From January 2013 to January 2016, 28 patients with oral tumor underwent radical resection in our hospital, leaving defects with size ranged from 6.5 cm×3.5 cm to 11.0 cm×7.5 cm which were reconstructed by free AMT perforator flaps with size ranged from 7...
February 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28218881/mr-imaging-of-perianal-crohn-disease
#8
Shannon P Sheedy, David H Bruining, Eric J Dozois, William A Faubion, Joel G Fletcher
Pelvic magnetic resonance (MR) imaging is currently the standard for imaging perianal Crohn disease. Perianal fistulas are a leading cause of patient morbidity because closure often requires multimodality treatments over a prolonged period of time. This review summarizes clinically relevant anal sphincter anatomy, imaging methods, classification systems, and treatment objectives. In addition, the MR appearance of healing perianal fistulas and fistula complications is described. Difficult imaging tasks including the assessment of rectovaginal fistulas and ileoanal anastomoses are highlighted, along with illustrative cases...
March 2017: Radiology
https://www.readbyqxmd.com/read/28214027/arrested-geomorphic-trajectories-and-the-long-term-hidden-potential-for-change
#9
L Allan James
Geomorphic systems often experience morphological changes that define a trajectory over decadal time periods. These trends can be halted by natural inhibitors such as vegetation, knickpoints, bed armor, or bank cohesion, or by anthropogenic inhibitors such as revetment, levees, or dams. Details about where and how channels and floodplains are stabilized are often poorly understood, which poses a risk that modern projects could unwittingly remove critical stabilizing elements (inhibitors) and unleash an episode of rapid change...
February 14, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28212784/intraspinal-extradural-variations-of-nerve-roots
#10
Viktor Matejčík, Zora Haviarová, Andrej Šteňo, Roman Kuruc, Juraj Šteňo
INTRODUCTION: The aim of this work is to point out the intraspinal extradural anatomical variations of nerve roots and their possible participation in radiculopathy. METHODS: The anatomical study was performed in 33 cadavers at a mean age of 46.5 and up to 24h from death. All extradural anastomoses between nerve roots were excised and examined histologically for the presence or absence of nervous tissue. The type of the plexus was defined by subtracting from the root C2...
February 14, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/28209313/the-arborization-bypass-sequential-intracranial-intracranial-bypasses-for-an-unruptured-fusiform-mca-aneurysm
#11
Jonathan J Russin
Revascularization techniques are being featured more prominently as endovascular treatments continue to select out complex cerebrovascular pathologies for open surgical management. The current healthcare environment requires decreased hospital stays and improved clinical outcomes despite the growing complexity of open surgical cases. Recent efforts to reduce operative room time and decrease risk for bypass surgery have focused on avoiding graft harvest and maintaining the entire bypass intracranial. The presented technique features an arborization bypass to serially anastomose the middle cerebral artery vessels allowing for proximal trapping of a complex aneurysm without graft harvest...
February 10, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28209099/does-calcium-score-in-great-pelvic-vessels-predict-colorectal-anastomotic-leakage-a-prospective-study-of-one-hundred-anastomoses
#12
M T Norooz, H Moradi, M Safdarian, F Jahangiri, H A Amoli
BACKGROUND: Anastomotic leakage is one of the most severe surgical complications following surgery. This prospective study was designed to investigate an association between the calcification in the descending aorta and its major branches using a calcium-scoring software and colorectal anastomotic leakage. METHODS: From January 2012 to March 2013, one hundred patients underwent surgeries involving colorectal anastomosis procedures. Calcium score in descending aorta and great pelvic vessels was measured using the Syngo-CT 2006G-W software...
September 2016: Acta Gastro-enterologica Belgica
https://www.readbyqxmd.com/read/28195642/functional-mucous-layer-and-healing-of-proximal-colonic-anastomoses-in-an-experimental-model
#13
J W A M Bosmans, A C H M Jongen, G M H Birchenough, E E L Nyström, M J J Gijbels, J P M Derikx, N D Bouvy, G C Hansson
BACKGROUND: Anastomotic leakage (AL) is the most dreaded complication after colorectal surgery, causing high morbidity and mortality. Mucus is a first line of defence against external factors in the gastrointestinal tract. In this study, the structural mucus protein Muc2 was depleted in genetically engineered mice and the effect on healing of colonic anastomoses studied in an experimental model. METHODS: Mice of different Muc2 genotypes were used in a proximal colonic AL model...
February 13, 2017: British Journal of Surgery
https://www.readbyqxmd.com/read/28187868/no-clinical-benefit-from-routine-histologic-examination-of-stapler-doughnuts-at-low-anterior-resection-for-rectal-cancer
#14
Jeremy Sugrue, Francois Dagbert, John Park, Slawomir Marecik, Leela M Prasad, Vivek Chaudhry, Jennifer Blumetti, Rajyasree Emmadi, Anders Mellgren, Johan Nordenstam
BACKGROUND: The aim of this study was to evaluate the clinical utility and cost-effectiveness of routine histologic examination of the doughnuts from stapled anastomoses in patients undergoing a low anterior resection for rectal cancer. METHODS: We performed a retrospective review of 486 patients who underwent a low anterior resection with stapled anastomosis for rectal cancer between 2002 and 2015 at 3 institutions. Pathologic findings in the doughnuts and their impact on patient management were recorded...
February 7, 2017: Surgery
https://www.readbyqxmd.com/read/28186494/oscillatory-pattern-of-acral-skin-blood-flow-within-thermoneutral-zone-in-healthy-humans
#15
Maja Elstad, Ilias Zilakos, Tone Bergersen
OBJECTIVE: The acral skin contains arteriovenous anastomoses, which probably is the main part of skin microcirculation for blood flow adjustments and thermoregulation in the thermoneutral zone. The objective was to investigate if an increase in sympathetic activation during cooling influences the oscillatory pattern of acral skin blood flow. APPROACH: We had measurements of bilateral acral skin blood flow (n=12) during lowering of ambient temperature from 32°C to 18°C...
February 10, 2017: Physiological Measurement
https://www.readbyqxmd.com/read/28183081/management-of-abdominal-drainage-after-hepatic-resection
#16
Yoshihiro Inoue, Yoshiro Imai, Nao Kawaguchi, Fumitoshi Hirokawa, Michihiro Hayashi, Kazuhisa Uchiyama
BACKGROUND: Routine drainage after partial hepatic resection has long been controversial. METHODS: Three hundred and twenty-eight patients who underwent hepatic resections for liver tumors without biliary-enteric and gastrointestinal anastomoses were analyzed using propensity score matching analysis with respect to if and when a prophylactic drain was used and for how long. The criteria for drain placement were established and validated. RESULTS: Our criteria for drain placement were chosen according to postoperative percutaneous abdominal drainage risk factors, organ/space surgical site infections (SSIs), hepatic resection method, intraoperative bile leakage and operative time (≥300 min)...
February 10, 2017: Digestive Surgery
https://www.readbyqxmd.com/read/28181449/in%C3%A2-vivo-and-in%C3%A2-vitro-assessment-of-the-biocompatibility-and-degradation-of-high-purity-mg-anastomotic-staples
#17
Su Qu, Jiazeng Xia, Jun Yan, Hongliu Wu, Hao Wang, Yi Yi, Xiaonong Zhang, Shaoxiang Zhang, ChangLi Zhao, Yigang Chen
Titanium (Ti) staples are not biodegradable, and anastomotic complications related to Ti staples are reported frequently. In the present study, the biocompatibility and degradation behavior of high-purity magnesium (HP Mg) staples with the small intestine were investigated. HP Mg staples did not affect the relative growth rate, cell cycle and apoptosis of primary rectal mucosal epithelial cells (IEC-6) in vitro. At one, two and three days after immersion in intestinal juice, the weight of the 30 rinsed HP Mg staples reduced by 7...
January 1, 2017: Journal of Biomaterials Applications
https://www.readbyqxmd.com/read/28181086/bilateral-cavernous-carotid-aneurysms-treated-by-two-stage-extracranial-intracranial-bypass-followed-by-parent-artery-occlusion-case-report-and-literature-review
#18
Yaoling Liu, Xiang'en Shi, Fangjun Liu, Yuming Sun, Hai Qian, Ting Lei
Bilateral cavernous carotid aneurysms (CCAs) are often not amenable to neurosurgical clipping or endovascular coiling. Here, we report the case of a 50-year-old female who presented with a 1-year history of gradual severe headache. Preoperative angiograms revealed bilateral CCAs. Among these findings, the right giant CCA had been trapped after the external carotid artery-saphenous vein-middle cerebral artery (ECA-SV-MCA) bypass 8 years prior. Additionally, the left CCA was again trapped after the internal maxillary artery-radial artery-middle cerebral artery (IMA-RA-MCA) bypass, followed by parent artery occlusion (PAO), because of the enlargement of a 0...
February 8, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28178127/robotic-pancreas-transplantation-in-a-type-1-diabetic-patient-with-morbid-obesity-a-case-report
#19
Chun Chieh Yeh, Mario Spaggiari, Ivo Tzvetanov, José Oberholzer
RATIONALE: Obesity is considered a relative contraindication to pancreas transplantation due to increased risks of wound-related complications. Robotic surgeries have never been applied for pancreas transplantation in obese recipients though robotic kidney transplantation did and already proved its value in reducing wound-related complications in obese recipients. PATIENT CONCERNS & DIAGNOSES: We performed the first robotic pancreas after kidney transplantation for a 34-year-old Hispanic type 1 diabetic male with class III obesity (BMI = 41 kg/m)...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28176493/one-stage-laparoscopy-assisted-colectomy-for-synchronous-double-colorectal-cancers
#20
Kodai Tomioka, Masahiko Murakami, Makoto Watanabe, Nobuaki Matsui, Yoshiaki Ozawa, Sota Yoshizawa, Tomotake Koizumi, Satoru Goto, Akira Fujimori, Osamu Yoshitake, Koji Otsuka, Takeshi Aoki
Synchronous multiple malignant colorectal lesions are rare, and there have been very few studies about one-stage laparoscopic operations in these cases. Here, we evaluated the short-term outcomes of laparoscopy-assisted colectomy (LAC) for synchronous double colorectal cancers. Seven patients underwent one-stage LAC that required two resections and anastomoses in our hospital from 2010 to 2014. We retrospectively examined each patient's background and subsequent surgical outcomes. The median age of patients was 78 years, and the median BMI was 19...
February 8, 2017: Asian Journal of Endoscopic Surgery
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