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https://www.readbyqxmd.com/read/28525664/near-infrared-fluorescence-with-indocyanine-green-for-diagnostics-in-urology-initial-experience
#1
Andrey O Morozov, Yuri G Alyaev, Leonid M Rapoport, Dmitrii G Tsarichenko, Eugene A Bezrukov, Denis V Butnaru, Eugene S Sirota
INTRODUCTION: Fluorescence imaging with indocyanine green is used in urology for the detection of sentinel lymph nodes and identification of prostate margins in radical prostatectomy for delineation of resection zone and selective clamping of vessels in partial nephrectomy; for identification and evaluation of length of ureteral strictures; for assessment of perfusion and viability of anastomoses during reconstructive stage of cystectomy. Safety of this technique is proven, while its diagnostic value and usefulness is still controversial...
May 16, 2017: Urologia
https://www.readbyqxmd.com/read/28523715/dual-en-bloc-technique-for-adult-renal-transplantation
#2
Kim Chi Tran, David Li, Ali Taqi, Alp Sener, Vivian C McAlister, Patrick P Luke
INTRODUCTION: We describe and provide follow-up for a novel simplified technique permitting dual en-bloc (DEB) transplantation of adult organs using single in situ arterial and venous anastomoses. METHODS: Twenty-two adult DEB transplants were performed at our centre between 2001 and 2012, utilizing 44 kidneys en bloc. Results were compared with 20 solitary transplants from expanded criteria donors (ECD) associated with lower terminal serum creatinines and Remuzzi biopsy scores vs...
May 19, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28516093/iatrogenic-supravalvular-aortic-stenosis
#3
Paolo Bosco, Antonella Ferrara, Samer A M Nashef
We describe a case of hemolytic anemia and proximal anastomotic site stenosis following emergency repair of a Type A aortic dissection. This rare complication led to a reoperation to correct the iatrogenic aortic stenosis and cure the consequent hemolysis. A "sandwich" technique (with two Teflon strips on the outside and inside of the aortic wall) was used in the initial repair to reinforce the suture line and prevent bleeding from the aortic anastomoses. At the time of reoperation, the inner Teflon strip at the proximal aortic anastomosis was found to have inverted into the aortic lumen, as suggested by the preoperative magnetic resonance imaging...
October 2016: Aorta (Stamford, Conn.)
https://www.readbyqxmd.com/read/28515595/percutaneous-transhepatic-techniques-for-management-of-biliary-anastomotic-strictures-in-living-donor-liver-transplant-recipients
#4
Chinmay B Kulkarni, Nirmal K Prabhu, Nazar P Kader, Ramiah Rajeshkannan, Sreekumar K Pullara, Srikanth Moorthy
AIM: To retrospectively analyze the percutaneous transhepatic techniques and their outcome in the management of biliary strictures in living donor liver transplant (LDLT) recipients. MATERIALS AND METHODS: We retrieved the hospital records of 400 LDLT recipients between 2007 and 2015 and identified 45 patients with biliary strictures. Among them, 17 patients (37.8%) (Male: female = 13:4; mean age, 36.1 ± 17.5 years) treated by various percutaneous transhepatic biliary techniques alone or in combination with endoscopic retrograde cholangiopancreatography (ERCP) were included in the study...
January 2017: Indian Journal of Radiology & Imaging
https://www.readbyqxmd.com/read/28511699/does-intraoperative-closed-suction-drainage-influence-the-rate-of-pancreatic-fistula-after-pancreaticoduodenectomy
#5
Ophélie Aumont, Aurélien Dupré, Adeline Abjean, Bruno Pereira, Julie Veziant, Bertrand Le Roy, Denis Pezet, Emmanuel Buc, Johan Gagnière
BACKGROUND: Although drainage of pancreatic anastomoses after pancreaticoduodenectomy (PD) is still debated, it remains recommended, especially in patients with a high risk of post-operative pancreatic fistula (POPF). Modalities of drainage of pancreatic anastomoses, especially the use of passive (PAD) or closed-suction (CSD) drains, and their impact on surgical outcomes, have been poorly studied. The aim was to compare CSD versus PAD on surgical outcomes after PD. METHODS: Retrospective analysis of 197 consecutive patients who underwent a standardized PD at two tertiary centers between March 2012 and April 2015...
May 16, 2017: BMC Surgery
https://www.readbyqxmd.com/read/28509699/penis-transplantation-first-us-experience
#6
Curtis L Cetrulo, Kai Li, Harry M Salinas, Matthew D Treiser, Ilse Schol, Glen W Barrisford, Francis J McGovern, Adam S Feldman, Michael T Grant, Cigdem Tanrikut, Jeffrey H Lee, Richard J Ehrlichman, Paul W Holzer, Garry M Choy, Raymond W Liu, Zhi Yang Ng, Alexandre G Lellouch, Josef M Kurtz, William G Austen, Jonathan M Winograd, Branko Bojovic, Kyle R Eberlin, Ivy A Rosales, Robert B Colvin, Dicken S C Ko
OBJECTIVE: We describe the first successful penis transplant in the United States in a patient with a history of subtotal penectomy for penile cancer. BACKGROUND: Penis transplantation represents a new paradigm in restoring anatomic appearance, urine conduit, and sexual function after genitourinary tissue loss. To date, only 2 penis transplants have been performed worldwide. METHODS: After institutional review board approval, extensive medical, surgical, and radiological evaluations of the patient were performed...
May 15, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28509443/hemodynamically-stimulated-and-in-vivo-generated-axially-vascularized-soft-tissue-free-flaps-for-closure-of-complex-defects-evaluation-in-a-small-animal-model
#7
Volker J Schmidt, Johanna O Wietbrock, Nico Leibig, Jochen F Hernekamp, Dominic Henn, Christian A Radu, Ulrich Kneser
The arteriovenous (AV) loop model permits the creation of significant volumes of axially vascularized tissue that represents an alternative to conventional free flaps, circumventing their common limitations. However, such AV-loop-based flaps have never before been examined in standardized animal models with respect to their suitability for reconstruction of critical bone exposing defects. In the course of our preliminary studies, we implemented a novel defect model in rats that provides standardized and critical wound conditions and evaluated whether AV-loop-generated flaps are suitable for free microsurgical transfer and closure of composite defects...
May 16, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28509331/anatomic-landmarks-in-lacrimal-surgery-from-an-ophthalmologist-s-point-of-view
#8
REVIEW
Jens Heichel, Hans-Gert Struck, Anja Viestenz, Thomas Hammer, Arne Viestenz, Miltiadis Fiorentzis
Epiphora is a common clinical symptom of nasolacrimal duct obstruction. However, it is present in several pathologies and can lead to decreased quality of life for patients. A careful clinical examination including a detailed patient's history and diagnostic tests such as the fluorescein dye disappearance test and diagnostic syringing of the lacrimal duct are essential. Depending on the time of presentation (congenital, primary or secondary acquired), grade (subtotal or total) and location of the stenosis, different surgical approaches can be considered...
May 16, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28508235/the-presence-of-postoperative-infectious-complications-is-associated-with-the-risk-of-early-postoperative-clinical-recurrence-of-crohn-s-disease
#9
Zhen Guo, Lei Cao, Feilong Guo, Jianfeng Gong, Yi Li, Lili Gu, Weiming Zhu, Jieshou Li
BACKGROUND: The purpose of the study was to identify risk factors for early clinical and surgical recurrence in Crohn's disease (CD) patients who underwent intestinal resection. METHOD: This was a retrospective study. Consecutive patients who underwent intestinal resection with a primary anastomosis from January 2011-December 2014 were enrolled. Gender, age at surgery, clinical phenotypes of CD, serum albumin and C-reactive protein level the day before surgery, smoking status at surgery, anastomosis technique, number of anastomoses, details of postoperative complications, the postoperative prophylactic treatment were assessed to figure out risk factors for postoperative clinical and surgical recurrence within 1 year after the initial resection by univariate and then multivariate analysis...
May 15, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28507909/open-vesicocalicostomy-for-the-management-of-transplant-ureteral-stricture
#10
Margaret M Higgins, Jonathan P Walker, Michael F Daily, Shubham Gupta
A 59-year-old male developed a proximal stricture of his transplant ureter ten years after a living donor renal transplant. Endoscopic management was unsuccessful, and the patient was temporized with percutaneous nephrostomy tubes for months. Eventually, it became clear he would require surgical revision. Intraoperatively, complete fibrosis of the renal hilum, and intrarenal location of the pelvis precluded the planned pyelovesicostomy. A successful open vesicocalicostomy was performed, anastomosing a bladder flap to a lower pole calix...
July 2017: Urology Case Reports
https://www.readbyqxmd.com/read/28507844/an-innovative-risk-reducing-approach-to-postmastectomy-radiation-delivery-after-autologous-breast-reconstruction
#11
Merisa L Piper, Maristella Evangelista, Dominic Amara, David Daar, Robert D Foster, Barbara Fowble, Hani Sbitany
INTRODUCTION: Postmastectomy radiation therapy (PMRT) has known deleterious side effects in immediate autologous breast reconstruction. However, plastic surgeons are rarely involved in PMRT planning. Our institution has adopted a custom bolus approach for all patients receiving PMRT. This offers uniform distribution of standard radiation doses, thereby minimizing radiation-induced changes while maintaining oncologic safety. We present our 8-year experience with the custom bolus approach for PMRT delivery in immediate autologous breast reconstruction...
April 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28506701/case-control-study-of-intraarterial-verapamil-for-intraprostatic-anastomoses-to-extraprostatic-arteries-in-prostatic-artery-embolization-for-benign-prostatic-hypertrophy
#12
Simon Chun Ho Yu, Carmen Cho, Esther Hung, Defeng Wang, Peter Chiu, Chi Hang Yee, Anthony Ng
PURPOSE: It is hypothesized that intraarterial administration of verapamil is a safe and effective way to reverse the flow in intraprostatic anastomoses to extraprostatic arteries without compromising treatment outcomes in prostatic artery embolization (PAE) for benign prostatic hypertrophy (BPH). MATERIALS AND METHODS: A prospective study of 62 prostate sides in 31 consecutive patients (median age, 66 y; range, 60-71 y) with symptomatic BPH was undertaken. Median prostate volume was 72...
May 13, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28503709/morphological-and-molecular-characterization-of-sarcocystis-arctica-like-sarcocysts-from-the-arctic-fox-vulpes-lagopus-from-alaska-usa
#13
Camila K Cerqueira-Cézar, Peter C Thompson, Shiv Kumar Verma, Joseph Mowery, Rafael Calero-Bernal, Fernando H Antunes Murata, David R Sinnett, Caroline Van Hemert, Benjamin M Rosenthal, Jitender P Dubey
The muscles of herbivores commonly harbor sarcocysts of parasites belonging to species in the genus Sarcocystis, but such muscle parasites are rare in carnivores. Here, we report Sarcocystis arctica-like sarcocysts in muscles of Arctic foxes (Vulpes lagopus) from Alaska, USA, for the first time. The tongues of 56 foxes were examined for Sarcocystis infection using several methods. Sarcocystis bradyzoites were detected in pepsin digests of 13 (23.2%), and sarcocysts were found in histological sections stained with hematoxylin and eosin (HE) of 9 (16...
May 15, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28500311/optimisation-of-a-novel-spiral-inducing-bypass-graft-using-computational-fluid-dynamics
#14
Andres Ruiz-Soler, Foad Kabinejadian, Mark A Slevin, Paulo J Bartolo, Amir Keshmiri
Graft failure is currently a major concern for medical practitioners in treating Peripheral Vascular Disease (PVD) and Coronary Artery Disease (CAD). It is now widely accepted that unfavourable haemodynamic conditions play an essential role in the formation and development of intimal hyperplasia, which is the main cause of graft failure. This paper uses Computational Fluid Dynamics (CFD) to conduct a parametric study to enhance the design and performance of a novel prosthetic graft, which utilises internal ridge(s) to induce spiral flow...
May 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28498910/extra-anatomical-bypass-in-complex-and-recurrent-aortic-coarctation-and-hypoplastic-arch%C3%A2
#15
Eva Maria Delmo Walter, Mariano Francisco Del Maria Javier, Roland Hetzer
OBJECTIVES: Our goal was to report the selection schemes, technical variations and long-term outcome of extra-anatomical bypass to correct complex, recurrent aortic coarctation and hypoplastic aortic arch. METHODS: Between 1989 and 2012, 53 patients (mean age 13.2 ± 4.3, median 11.6, range 9-23 years) with complex aortic coarctation ( n  = 33; long-segment hypoplastic aortic arch in 15), recurrent coarctation ( n  = 20; anastomosic pseudoaneurysm in 10), underwent correction using extra-anatomical bypass, either with ( n  = 18: femoral bypass = 13, left heart bypass = 5) or without ( n  = 35) extracorporeal circulation via a left lateral thoracotomy ( n = 48) and combined median sternotomy and median laparotomy ( n  = 5)...
May 11, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28492355/experimental-procedure-of-compression-anastomosis-using-fragmented-rings-a-porcine-model
#16
Charles Vanbrugghe, David Jérémie Birnbaum, Stéphane Victor Berdah
BACKGROUND: Compression anastomosis has been recently abandoned because of a nonsuperiority compared to stapling anastomosis. Nonremoval of the rings has frequently been reported and this technique does not support a routine use. The aim of this experimental study was to assess the feasibility of anastomosis using compression with a device consisting of fragmented rings. METHODS: A new compression device, the "Anastocom," was compared to standard double-stapled colocolonic anastomosis in 2 groups of 8 pigs...
June 2017: Surgical Innovation
https://www.readbyqxmd.com/read/28488729/randomized-clinical-trial-of-biodegradeable-intraluminal-sheath-to-prevent-anastomotic-leak-after-stapled-colorectal-anastomosis
#17
I S Bakker, A N Morks, H O Ten Cate Hoedemaker, J G M Burgerhof, H G Leuvenink, J B van Praagh, R J Ploeg, K Havenga
BACKGROUND: Anastomotic leakage is a potential major complication after colorectal surgery. The C-seal was developed to help reduce the clinical leakage rate. It is an intraluminal sheath that is stapled proximal to a colorectal anastomosis, covering it intraluminally and thus preventing intestinal leakage in case of anastomotic dehiscence. The C-seal trial was initiated to evaluate the efficacy of the C-seal in reducing anastomotic leakage in stapled colorectal anastomoses. METHODS: This RCT was performed in 41 hospitals in the Netherlands, Germany, France, Hungary and Spain...
May 10, 2017: British Journal of Surgery
https://www.readbyqxmd.com/read/28488044/bilateral-carotid-anterior-cerebral-artery-anastomoses-associated-with-bilateral-ophthalmic-arteries-arising-from-the-middle-meningeal-arteries-diagnosed-by-magnetic-resonance-angiography-a-case-report
#18
Akira Uchino, Naoko Saito, Fumitaka Yamane
Anastomosis between the ophthalmic segment of the internal carotid artery and the A1-A2 junction of the anterior cerebral artery (ACA), described as carotid-ACA anastomosis or infraoptic course of the ACA, is rare and known to demonstrate right-sided predominance. We report a case of bilateral carotid-ACA anastomoses associated with bilateral ophthalmic arteries arising from the sphenoidal branch of the middle meningeal artery that were diagnosed by magnetic resonance (MR) angiography. Identification of rare arterial variations on MR angiography requires careful scrutiny of source images...
May 9, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28487021/increased-risk-of-placental-abruption-after-solomon-laser-treatment-of-twin-twin-transfusion-syndrome
#19
M M Lanna, S Faiola, D Consonni, M A Rustico
To evaluate the relative risk of placental abruption in monochorionic (MC) twin pregnancies complicated with twin-to-twin transfusion syndrome (TTTS) and treated with endoscopic laser coagulation of placental vessels (ELCPV). A retrospective analysis from January 2004 and December 2015 of 373 TTTS pregnancies, treated with selective ELCPV until January 2012 (287 cases), after which the Solomon technique was introduced (86 cases), compared with 243 normal MC pregnancies. A significant improvement in perinatal survival was observed after the introduction of the Solomon technique when compared to the selective procedure (77% vs 54%, p < 0...
May 2017: Placenta
https://www.readbyqxmd.com/read/28484231/effect-of-canal-anastomosis-on-periapical-fluid-pressure-build-up-during-needle-irrigation-in-single-roots-with-double-canals-using-a-polycarbonate-model
#20
Qi Huang, Jonathan B Barnes, G John Schoeffel, Bing Fan, Candice Tay, Brian E Bergeron, Lisiane F Susin, Jun-Qi Ling, Li-Na Niu, Franklin R Tay
Sodium hypochlorite is an effective irrigant for chemical debridement of root canals. However, increasing the intracanal pressure during irrigant delivery may result in irrigant extrusion into the bone and soft tissues surrounding the tooth. Because clinicians often encounter teeth with intracanal communications, the objective of the present study was to examine the effects of canal anastomosis on the generation of periapical fluid pressure at different fluid flow rates and insertion depths. Two similar polycarbonate models were used to simulate a single root with double canals, one containing, and the other without communicating channels between the canals...
May 8, 2017: Scientific Reports
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