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https://www.readbyqxmd.com/read/28544979/preoperative-left-hepatic-lobe-devascularisation-to-minimize-perioperative-bleeding-in-a-jehovah-s-witness-undergoing-left-hepatectomy
#1
Laurence Weinberg, Georgina Hanus, Jonathan Banting, Diana Abu-Ssaydeh, Manfred Spanger, Su Kah Goh, Vijayaragavan Muralidharan
INTRODUCTION: Major liver resection in a Jehovah's Witness presents unique clinical challenges requiring multimodal blood minimization strategies to reduce perioperative complications. We report a case where complete left hepatic lobe devascularisation was undertaken to minimize bleeding in a Jehovah's Witness undergoing left hepatectomy. PRESENTATION OF CASE: A 65-year-old male Jehovah's Witness presented for open left hepatectomy for a large left-sided hepatocellular carcinoma involving segment IV of the liver...
May 15, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28539296/-establishment-of-a-rabbit-model-of-small-diameter-vascular-graft-replacement
#2
Jia-Qing Zhang, Kun-Tang Chen, Fu-Wei Zhang, Shao-Bin Li, Yuan-Zhou Wu, Jing Feng, Wu-Jun Wang, Yu-Sheng Yan
OBJECTIVE: To establish an rabbit model that mimics the hemodynamics of the bypass graft after coronary artery bypass surgery. METHODS: Sixteen New Zealand rabbits were randomly divided into two groups for abdominal aortic artery replacement using a 3-cm-long ePTFE graft with an inner diameter 4 mm through an incision at 1/3 from the middle to the lower part of the abdomen (group A) or in the lower abdomen (group B). The general conditions of the rabbits, operative time, number of collateral vessels that needed to be ligated, rate of massive intraoperative bleeding, fluctuation of vascular anastomosis after surgery, patency rate of the graft on day 7 after the operation were compared between the two groups...
May 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28538566/predicting-thrombosis-formation-in-1-mm-diameter-arterial-anastomoses-with-transit-time-ultrasound-technology
#3
Gabrielle Shaughness, Collin Blackburn, Alberto Ballestín, Yelena Akelina, Jeffrey A Ascherman
BACKGROUND: Thrombosis is a common source of failure in anastomoses, flaps, and vascular grafts. Ensuring vessel patency is critical to the success of microvascular procedures. Any tool that can accurately predict the patency of an anastomosis intraoperatively would enable the surgeon to detect and correct flow restrictions while the patient is still in the operating room. METHODS: The authors used transit-time ultrasound technology in this pilot study to investigate whether a minimal cutoff value for quantitative postoperative blood flow (in milliliters per minute) could be established that would reliably predict sustained vessel patency at 24 hours postoperatively...
June 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28536807/prognostic-factors-for-enteroatmospheric-fistula-in-open-abdomen-treated-with-negative-pressure-wound-therapy-a-multicentre-experience
#4
Guillaume Giudicelli, A Rossetti, C Scarpa, N C Buchs, R Hompes, R J Guy, K Ukegjini, P Morel, F Ris, M Adamina
BACKGROUND: Reductions in mortality were reported with negative pressure wound therapy for laparostomy. However, some authors have voiced concern over an increased risk of enteroatmospheric fistulae. In this retrospective study, we hypothesized that surgical and metabolic derangements could increase the incidence of enteroatmospheric fistulae. We aimed to assess our experience and report long-term outcomes. METHODS: A multicentre review of all patients with a laparostomy managed with negative pressure wound therapy between 2005 and 2015 was undertaken...
May 23, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/28532969/lip-reconstruction-using-a-functioning-serratus-anterior-free-flap-preliminary-study
#5
A O Gundeslioglu, E C Karadag, I Inan, L Jasharllari, M N Selimoglu, F Guney, B Yuruten, M Bekerecioglu
Reconstructive surgery to the lips requires the replacement of defective tissues with similarly functioning tissues. While non-dynamic free tissue transfers provide adequate lower lip reconstruction, improved benefits may be obtained with innervated free muscle flaps. This study reports the use of innervated serratus anterior muscle free flaps for lip reconstruction in five patients. All patients had squamous cell carcinoma of either the upper or lower lip. After resection of the tumours, the resultant defects comprised two-thirds of the lips...
May 19, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28532389/the-use-of-macitentan-in-fontan-circulation-a-case-report
#6
Polyvios Demetriades, Amir Aziz, Robin Condliffe, Sarah E Bowater, Paul F Clift
BACKGROUND: The Fontan circulation, a result of a palliative procedure in patients with single systemic ventricles, is defined by chronically elevated pulmonary vascular resistance. When traditional heart failure therapies fail, pharmacological agents that reduce pulmonary artery pressures may be used. These include endothelial-receptor antagonists, prostanoids and phosphodiesterase type 5 inhibitors. We report the first use of macitentan, an endothelin-receptor antagonist, in a patient with a Fontan circulation...
May 22, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28530775/a-surgical-approach-to-iatrogenic-vascular-injuries-in-pediatric-cases
#7
Yüksel Beşir, Orhan Gökalp, Börteçin Eygi, Banu Bahriye Lafcı, Gamze Gökalp, Levent Yılık, Hasan İner, Ali Gürbüz
BACKGROUND: Surgical intervention is mandatory in many children who present with vascular trauma or in complicated cases after medical interventions. In this study, surgical interventions applied after vascular injuries in children were analyzed. METHODS: Between January 2002 and December 2012, 17 patients (aged under 18) who were admitted to the emergency room with vascular injuries were retrospectively analyzed. The data was collected through hospital records...
May 2017: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/28529011/the-effect-of-in-vivo-created-vascularized-neurotube-on-peripheric-nerve-regeneration
#8
Abdul Kerim Yapici, Yalcin Bayram, Hakan Akgun, Recep Gumus, Fatih Zor
INTRODUCTION: Creating vascularized nerve conduits for treatment of nerve gaps have been researched, however, these methods need microsurgical anastomosis thereby complicating the nerve repair process. Thus, the concept of vascularized nerve conduits has not popularized up till now. The aim of this study is to evaluate the effects of vascularized and non-vascularized biological conduits on peripheral nerve regeneration. MATERIAL AND METHODS: Following ethical board approval, 15 Sprague-Dawley rats were used in the study...
May 11, 2017: Injury
https://www.readbyqxmd.com/read/28528071/a-new-technique-for-graft-to-graft-anastomosis-to-reconstruct-the-aortic-arch
#9
Bashi V Velayudhan, A Mohammed Idhrees
When the ascending aorta and aortic arch must be replaced with a vascular graft, two separate grafts are often required to reconstruct a more anatomically configured aorta. We describe a method of graft tailoring that will result in a more natural shape of the neoaorta, avoiding kinking at the junction of the ascending aorta and the aortic arch.
June 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28527185/surface-heparinization-and-blood-compatibility-modification-of-small-intestinal-submucosa-sis-for-small-caliber-vascular-regeneration
#10
Bensong Han, Feng Xue, Cunyi Fan, Xiumei Mo
OBJECTIVES: This study aims to investigate the small intestinal submucosal (SIS) surface after heparinization with the hypothermia plasma technique, to improve the blood compatibility of SIS, and to explore the possibility of construction of small-caliber vascular grafts with modified SIS scaffolds in vivo. METHODS: SIS films prepared from jejunums of pigs were processed for surface treatment at different time periods with the argon plasma initiation technique under vacuum, and were then immediately immersed in 4% (m/v) heparin sodium solution for 24-h heparinization...
2017: Bio-medical Materials and Engineering
https://www.readbyqxmd.com/read/28507857/greater-omental-lymph-node-flap-for-upper-limb-lymphedema-with-lymph-nodes-depleted-patient
#11
Yu-Ying Chu, Robert J Allen, Ting-Jung Wu, Ming-Huei Cheng
BACKGROUND: The greater omentum is supplied by the right, middle, and left omental arteries, which arise from the right and left gastroepiploic arteries. All or part of the greater omentum can be harvested based on this blood supply for free tissue transfer. It has stimulated new interest in its use as the donor site in the treatment of lymphedema. For patients who have failed other management options or have limited peripheral lymph node donor sites, the greater omental lymph node flap may offer the best chance for lymphedema treatment...
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/28506475/a-novel-perfused-porcine-simulator-for-teaching-aortic-anastomosis-increases-resident-interest-in-vascular-surgery
#13
Peter B Bartline, Jennie O'Shea, James M McGreevy, Michelle T Mueller
OBJECTIVE: This report describes a novel simulator, euthanized pigs on cardiopulmonary bypass, and validates this simulator with a controlled trial in general surgery residents learning aortic anastomosis. We evaluated this novel simulator with the following hypothesis: our porcine perfused simulator is as good as or better than the standard rubber tubing, low-fidelity models used for vascular anastomotic training. METHODS: Euthanized pigs were placed on cardiopulmonary bypass, creating a perfused, ex vivo model on which to perform surgical procedures...
May 12, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28500497/evaluation-of-endothelialization-in-the-center-part-of-graft-using-3%C3%A2-cm-vascular-grafts-implanted-in-the-abdominal-aortae-of-the-rat
#14
Toshiharu Fukayama, Yusuke Ozai, Haruka Shimokawatoko, Yusuke Kimura, Derya Aytemiz, Ryou Tanaka, Noboru Machida, Tetsuo Asakura
In order to develop small-diameter vascular grafts, it is necessary to evaluate endothelialization, especially, in the center part at early stage. For implantation of vascular grafts of 1 cm in length to abdominal aortae of rat, endothelial cells can be formed easily by stretching anastomosis. We evaluated the endothelialization in the center part of vascular grafts by implanting vascular grafts using transgenic (TG) silk fibroin (SF) of 3 cm in length. Vascular grafts were prepared 1.5 mm in diameter and 1 and 3 cm in length using wild type (WT) SF and TG SF by braiding structure, respectively...
May 12, 2017: Journal of Artificial Organs: the Official Journal of the Japanese Society for Artificial Organs
https://www.readbyqxmd.com/read/28491050/a-persistent-primitive-hypoglossal-artery-as-the-sole-supply-to-the-brain-associated-with-a-basilar-bifurcation-aneurysm
#15
Ming Wang, Jun Gu, Ping Lan, Shu Wan, Yongqing Zhou, Xiujue Zheng, Renya Zhan
The persistent primitive hypoglossal artery (PPHA) is the second most common persistent carotid-vertebrobasilar anastomosis, with an incidence of 0.027-0.26%. PPHAs change the hemodynamics of the carotid and vertebrobasilar system and may be associated with intracranial vascular anomalies, but basilar bifurcation aneurysms were rarely reported. We describe the first case of a PPHA as the sole supply to the brain associated with a basilar bifurcation aneurysm and review the literature. We reported a 34-year-old woman who presented with subarachnoid hemorrhage due to a ruptured basilar bifurcation aneurysm...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28487113/a-technique-to-positively-identify-the-vaginal-fornices-during-complicated-postpartum-hysterectomy
#16
Michael A Belfort, Alireza A Shamshirsaz, Karin A Fox
The frequency of cesarean hysterectomy is increasing, predominantly driven by an increased incidence of morbidly adherent placenta (MAP) associated with prior cesarean section with or without placenta previa. Most cases of MAP are located anteriorly with involvement of the bladder. The lower uterine segment in increta and percreta cases is frequently thinned and deformed, with extensive vascular supply to the bulging placenta. This deformation of the lower segment makes identification of the cervico-vaginal interface and vaginal fornices difficult...
May 6, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28479769/analysis-of-outcome-of-end-to-end-and-end-to-side-internal-iliac-artery-anastomosis-in-renal-transplantation-our-initial-experience-with-a-case-series
#17
Dilip Kumar Pal, Prakash Kumar Sanki, Sayak Roy
INTRODUCTION: In renal transplantation, there is end-to-side anastomosis of renal artery to external iliac artery and end-to-end anastomosis of renal artery to internal iliac artery. The end-to-end internal iliac artery anastomosis can be associated with complications due to compromised distal vascular supply to limbs and penile erectile tissue. A method of end-to-side anastomosis can overcome them. Till date, there is no case series or trial that has studied the effect of end-to-side anastomosis...
April 2017: Urology Annals
https://www.readbyqxmd.com/read/28468139/reconstruction-of-extensive-orbital-exenteration-defects-using-an-anterolateral-thigh-vastus-lateralis-chimeric-flap
#18
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...
May 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28465039/use-of-couplers-for-vascular-anastomoses-in-601-free-flaps-for-reconstruction-of-defects-of-the-head-and-neck-technique-and-two-year-retrospective-clinical-study
#19
A Assoumane, L Wang, K Liu, Z-J Shang
We describe our experience with the use of 854 couplers for venous or arterial anastomoses, or both, in 601 free flaps for reconstruction of defects of the head and neck. We reviewed 601 patients who had had free flaps (with the microvascular anastomoses being made with couplers in 519) between July 2013 and December 2015. Personal details, and clinical data including the site of the defect, the tumour excised, the types of flaps, the size of the couplers, the method of anastomosis (venous or arterial) in which the coupler was used, and postoperative complications were recorded...
April 29, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/28457423/mycotic-pseudoaneurysm-after-kidney-transplantation-two-case-reports
#20
A Ministro, T Ferreira, L Batista, A Santana, N Alves, J Guerra, J Fernandes E Fernandes
BACKGROUND: Vascular complications after kidney transplantation may cause allograft loss. Here, we describe 2 patients with extrarenal mycotic pseudoaneurysm after kidney transplantation. PATIENTS: Patient 1 was a 54-year-old man who developed pseudoaneurysm 60 days after transplantation, and patient 2 was a 48-year-old woman who was diagnosed with a pseudoaneurysm 5 months after transplantation. RESULTS: Patient 1 had a deceased-donor kidney transplant with end-to-side external iliac arterial anastomosis that was reconstructed 8 days after transplantation owing to rupture and major bleeding...
May 2017: Transplantation Proceedings
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