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https://www.readbyqxmd.com/read/29322547/improvement-of-the-salvage-rate-of-flap-after-venous-thrombosis-with-intraparenchymatous-venous-pressure-monitoring
#1
Hajime Matsumine, Mariko Mogami, Osamu Fujiwara, Masahiro Hasegawa, Hiroshi Ito, Hiroyuki Sakurai
PURPOSE: Intraparenchymatous venous pressure (IVP) monitoring in flap can measure venous pressure with catheter placement. Among patients with IVP monitoring, this study reviewed postoperative microvascular complications for investigating the transplanted-tissue salvage-rate. PATIENTS AND METHODS: Two hundred and seventy-one patients (male, 132; female, 139; mean age, 52.3 years; age range, 9-82 years) underwent free flap transfer and postoperative continuous IVP monitoring, which performed as follows; a venous catheter was connected to a transducer, and venous pressure in the flap was recorded for three consecutive days postoperatively...
January 11, 2018: Microsurgery
https://www.readbyqxmd.com/read/29316011/roles-of-venovenous-anastomosis-and-umbilical-cord-insertion-abnormalities-in-birthweight-discordance-in-monochorionic-diamniotic-twin-pregnancies-without-twin-twin-transfusion-syndrome
#2
Hiroko Konno, Takeshi Murakoshi, Akiko Yamashita, Mitsuru Matsushita
AIM: We evaluated risk factors for birthweight discordance in monochorionic diamniotic (MCDA) twin pregnancies without twin-twin transfusion syndrome (TTTS). METHODS: We investigated all MCDA twin placentas injected with colored dye at our institution between 2007 and 2015. We excluded pairs of twins with TTTS, fetal demise, or severe fetal malformation. All pairs of twins were assigned to the discordant group (birthweight discordance ≥ 25%) or the concordant group (birthweight discordance < 25%)...
January 5, 2018: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/29307022/fluorescein-videoangiography-during-extracranial-to-intracranial-bypass-surgery-preliminary-results
#3
Alessandro Narducci, Julia Onken, Marcus Czabanka, Nils Hecht, Peter Vajkoczy
BACKGROUND: Over the last years, intraoperative use of fluorescein is gaining ground in the field of neurosurgery, due to development of a microscope-integrated YELLOW 560 module, with reported experiences in brain malignancies, aneurysms, and arteriovenous malformation surgery. The aim of this study is to determine the feasibility and value of fluorescein videoangiography during bypass procedures. METHODS: The authors enrolled 11 patients who underwent extracranial-to-intracranial bypass for moyamoya disease, atherosclerotic steno-occlusive cerebrovascular disease, and flow replacement during a giant middle cerebral artery (MCA) aneurysm treatment...
January 6, 2018: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29295872/fibrotic-venous-remodeling-and-nonmaturation-of-arteriovenous-fistulas
#4
Laisel Martinez, Juan C Duque, Marwan Tabbara, Angela Paez, Guillermo Selman, Diana R Hernandez, Chad A Sundberg, Jason Chieh Sheng Tey, Yan-Ting Shiu, Alfred K Cheung, Michael Allon, Omaida C Velazquez, Loay H Salman, Roberto I Vazquez-Padron
The frequency of primary failure in arteriovenous fistulas (AVFs) remains unacceptably high. This lack of improvement is due in part to a poor understanding of the pathobiology underlying AVF nonmaturation. This observational study quantified the progression of three vascular features, medial fibrosis, intimal hyperplasia (IH), and collagen fiber organization, during early AVF remodeling and evaluated the associations thereof with AVF nonmaturation. We obtained venous samples from patients undergoing two-stage upper-arm AVF surgeries at a single center, including intraoperative veins at the first-stage access creation surgery and AVFs at the second-stage transposition procedure...
January 2, 2018: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/29284163/geometric-three-dimensional-end-to-side-microvascular-anastomosis-a-simple-and-reproducible-technique
#5
Adrian S H Ooi, Daniel R Butz, Sean M Fisher, Zachary J Collier, Lawrence J Gottlieb
BACKGROUND:  End-to-side (ETS) anastomoses are useful when preservation of distal vascularity is critical. The ideal ETS microanastomosis should maintain a wide aperture and have a smooth take-off point to minimize turbulence, vessel spasm, and thrombogenicity of the suture line. We have developed a unique, dependable, and reproducible geometric technique for ETS anastomoses, and analyze its efficacy in our series of patients. METHODS:  The geometric ETS technique involves creating a three-dimensional (3D) diamond-shaped defect on the recipient vessel wall, followed by a slit incision of the donor vessel to create a "spatula" fitting this defect...
December 28, 2017: Journal of Reconstructive Microsurgery
https://www.readbyqxmd.com/read/29279793/first-cephalosomatic-anastomosis-in-a-human-model
#6
Xiaoping Ren, Ming Li, Xin Zhao, Zehan Liu, Shuai Ren, Yafang Zhang, Shide Zhang, Sergio Canavero
Background: Cephalosomatic anastomosis (CSA) has never been attempted before in man as the transected spinal cords of the body donor and body recipient could not be "fused" back together. Recent advances made this possible. Here, we report on the surgical steps necessary to reconnect a head to a body at the cervical level. Methods: Full rehearsal of a CSA on two recently deceased human cadavers was performed at Harbin Medical University, Harbin, China. Results: The surgery took 18 hours to complete within the time frame planned for this surgery...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/29275613/-epidemiological-investigation-on-2-133-hospitalized-patients-with-electrical-burns
#7
M J Jiang, Z Li, W G Xie
Objective: To analyze the epidemiological characteristics of the hospitalized patients with electrical burns in Institute of Burns of Tongren Hospital of Wuhan University & Wuhan Third Hospital (hereinafter referred to as Institute of Burns of Wuhan Third Hospital), so as to provide reference for the prevention and treatment of electrical burns. Methods: Medical records of all hospitalized burn patients in Institute of Burns of Wuhan Third Hospital from January 2004 to December 2016 were collected. Genders, ages, social categories, seasons of injury, total burn areas, depths of wounds, electrical voltages of injury, sites of wound, treatment methods, amputation rates, lengths of hospital stay, operation costs, hospitalization costs, and treatment outcomes of the electrical burn patients were collected...
December 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/29275056/the-pivotal-multicenter-trial-of-ultrasound-guided-percutaneous-arteriovenous-fistula-creation-for-hemodialysis-access
#8
Jeffrey E Hull, William C Jennings, Randy I Cooper, Umar Waheed, Matthew E Schaefer, Rajeev Narayan
PURPOSE: To evaluate safety and efficacy of arteriovenous fistulas (AVFs) created with a thermal resistance anastomosis device. MATERIALS AND METHODS: A prospective single-arm trial at 5 sites enrolled 107 patients. Patients underwent ultrasound (US)-guided anastomosis creation between the proximal radial artery and perforating vein with the Ellipsys Vascular Access System (Avenu Medical, Inc, San Juan Capistrano, California) followed by separate maturation procedures...
December 21, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/29273883/calcification-of-the-iliac-arteries-a-marker-for-leakage-risk-in-rectal-anastomosis-a-blinded-clinical-trial
#9
Julius Pochhammer, Fridolin Tröster, Gunnar Blumenstock, Julienne Closset, Stefanie Lang, Marie-Pascale Weller, Michael Schäffer
PURPOSE: Anastomotic leakage (AL) is associated with increased morbidity and mortality after colorectal surgery. Calcification of the arteries has been identified as a risk factor for cardiovascular events and can be reliably measured on computed tomography using software assistance. The aim of this prospective study was to prove the value of calcium scoring of the iliac arteries as a predictor of AL after rectal anastomosis. METHODS: Consecutive patients who underwent colorectal resection with rectal anastomosis were analyzed...
December 22, 2017: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/29246556/uterus-transplantation-robotic-surgeon-perspective
#10
Hubert Fornalik, Nicole Fornalik
OBJECTIVE: To study the safety and feasibility of robotic dissection of deep pelvic vessels as applied to the robotic harvesting of a uterus from live transplant donor. DESIGN: Surgical video. SETTING: Gynecologic oncology practice of a tertiary community cancer center. PATIENT(S): Two patients undergoing robotic nerve-sparing radical hysterectomy for International Federation of Gynecology and Obstetrics (FIGO) stage Ib1 cervical cancer...
December 12, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/29242747/usefulness-of-preoperative-echography-for-detection-of-lymphatic-vessels-for-lymphaticovenous-anastomosis
#11
Hisako Hara, Makoto Mihara
Case 1: A 63-year-old woman with secondary lower limb lymphedema. As it was difficult to detect the lymphatic vessels in the right thigh in indocyanine green lymphography because of thick fat, we tried echography and observed circular structures beneath the superficial fascia. Intraoperatively, we found a dilated lymphatic vessel just as observed on echography. Case 2: A 45-year-old woman with primary lower limb lymphedema. As she was allergic to iodinated contrast medium, we could not use indocyanine green lymphography preoperatively...
2017: SAGE Open Medical Case Reports
https://www.readbyqxmd.com/read/29240070/-method-of-forming-a-distal-anastomosis-with-an-autovenous-cuff
#12
A G Shalashov
Presented herein is a brief review of the world literature dedicated to methods of formation of composite arterial anastomoses in the femoropopliteal-tibial region The most justified is considered the use of a composite shunt formed proximally from a synthetic vascular graft made of polytetrafluoroethylene and distally with an extension from a portion of the suitable for reconstruction autovein (the so-called autovenous cuff of patch). The use of an autovenous cuff is more physiological since it provides closer correspondence of the diameters of the distal anastomosis being applied between the artery and autovenous extension, as well as contributes to creation of more adequate haemodynamic conditions in the shunt...
2017: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/29239339/evaluation-of-sensory-function-and-recovery-after-replantation-of-fingertips-at-zone-i-in-children
#13
Zhao-Wei Zhu, Xiao-Yan Zou, Yong-Jun Huang, Jiang-Hui Liu, Xi-Jun Huang, Bo He, Zeng-Tao Wang
Sensory function is the most significant criterion when evaluating the prognosis of replanted fingers. Current clinical research has focused on surgical techniques and indications for finger replantation; however, few studies have focused on recovery of finger sensory function after replantation. This study retrospectively assessed data of eight patients who had undergone nine Zone I replantations of the fingertips in the First Affiliated Hospital of Sun Yat-sen University of China from July 2014 to January 2016...
November 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/29233543/learning-of-supermicrosurgical-vascular-anastomosis-microchirsim%C3%A2-procedural-simulator-versus-anastomosis-training-kit%C3%A2-procedural-simulator
#14
C Galmiche, J J Hidalgo Diaz, P Vernet, S Facca, G Menu, P Liverneaux
Many biological and non-biological simulators have been developed to reduce the length of the learning curve for supermicrosurgery. All of them have disadvantages. The goal of this study was to evaluate the feasibility of the new MicrochirSim® (0.5mm) non-biological procedural simulator by comparing it to the Anastomosis Training Kit® (2mm). After viewing a video of end-to-end anastomosis of a rat-tail artery, 10 residents in surgery reproduced the same technique on a procedural simulator: 5 on the MicroChirSim® (group 1) and 5 on the Anastomosis Training Kit® (group 2)...
December 7, 2017: Hand Surgery and Rehabilitation
https://www.readbyqxmd.com/read/29228871/successful-endovascular-management-of-a-transplant-renal-artery-pseudoaneurysm-complicated-with-arterioureteral-fistula
#15
Volkan Turunç, Aşkın Eroğlu, Babek Tabandeh, Hamad Dheir, Özer Soylu, Mustafa K Demir
We report a case of renal artery pseudoaneurysm at the anastomosis site complicated with arterioureteral fistula (AUF) in a 57-year-old kidney transplant recipient who presented with intermittent massive hematuria at one month post-transplant. We successfully treated the pseudoaneurysm and AUF with endovascular covered stent implantation. The diagnosis of AUF is rare and it is a condition that occurs in patients with previous pelvic or vascular surgery, chronic ureteral catheterization and radiotherapy. This diagnosis requires the expertise of the urologist, vascular surgeon and interventional radiologist...
January 1, 2017: Progress in Transplantation
https://www.readbyqxmd.com/read/29218384/is-it-possible-to-give-a-single-definition-of-the-rectosigmoid-junction
#16
Damien Massalou, David Moszkowicz, Daniela Mariage, Patrick Baqué, Olivier Camuzard, Nicolas Bronsard
AIM: The rectosigmoid junction is the limit separating the sigmoid colon and rectum. This transition zone has different definitions. We want to highlight different landmarks of the rectosigmoid junction (RSJ), to help the clinicians to adopt a consensual definition. METHOD: We reviewed anatomical, endoscopic, physiological and surgical points of view concerning the rectosigmoid junction (RSJ). RESULTS: The rectosigmoid junction has a different definition depending on who is studying it...
December 7, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29217442/posterior-approach-for-revascularization-in-blunt-popliteal-vessel-injury
#17
Vladimir Makaloski, Arno Stellmes, Doerte Wyss, Salome Weiss, Daniel Becker, Thomas R Wyss, Juerg Schmidli
BACKGROUND: Popliteal vessel injuries are associated with traumatic knee injury often requiring emergency revascularization. Medial and posterior approaches to the popliteal space have been proposed. This study evaluates the outcome of patients treated for traumatic popliteal vessel injuries via a posterior approach. METHODS: Consecutive patients with traumatic vascular injuries in the popliteal segments II and III undergoing surgical repair via a posterior approach between October 2008 and December 2016 were analyzed...
December 5, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29216531/living-donor-liver-transplantation-for-adult-budd-chiari-syndrome-resection-without-replacement-of-retrohepatic-ivc-a-case-report
#18
Tarek Abdelazeem Sabra, Hideaki Okajima, Tetsuya Tajima, Ken Fukumitsu, Koichiro Hata, Kentaro Yasuchika, Toshihiko Masui, Kojiro Taura, Toshimi Kaido, Shinji Uemoto
INTRODUCTION: Suprahepatic caval resection and replacement of inferior vena cava (IVC) is standard procedure in deceased donor liver transplantation for patients with Budd-Chiari syndrome (BCS). However, replacement of IVC in living donor liver transplantation (LDLT) is difficult. We report a case of BCS successfully treated by LDLT without replacement of IVC. PRESENTATION OF CASE: A 52-years-old female with a primary BCS due to IVC thrombosis. A vena cava (VC) stent placed after angioplasty without improvement of the hepatic, portal venous flow and liver functions, Transjugular intrahepatic portosystemic shunt was considered and the patient had a rapid deterioration and increased ascites...
December 1, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29215367/interperforator-flow-pattern-and-clinical-application-of-distal-extended-peroneal-artery-perforator-flaps
#19
Chengliang Deng, Bihua Wu, Zairong Wei, Hai Li, Tianhua Zhang, Dali Wang
INTRODUCTION: Peroneal artery perforator flaps are the most widely used pedicled flaps for soft tissue defects of the distal lower extremity. Most research regarding peroneal artery flaps focuses on the location, diameter, and number of peroneal artery perforators. However, there is little literature regarding interperforator flow patterns within the peroneal artery perforator flaps. The aims of the present study were to describe interperforator flow patterns of the distally based extended peroneal artery perforator flaps through digital subtraction angiography and review their clinical application...
December 5, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29204697/how-to-reduce-the-superior-mesenteric-vein-bleeding-risk-during-laparoscopic-right-hemicolectomy
#20
Alvaro Garcia-Granero, Luis Sánchez-Guillén, Matteo Frasson, Jorge Sancho Muriel, Eduardo Alvarez Sarrado, Delfina Fletcher-Sanfeliu, Blas Flor Lorente, Jose Pamies, Javier Corral Rubio, Alfonso A Valverde Navarro, Francisco Martinez Soriano, Eduardo Garcia-Granero
PURPOSE: The superior right colic vein (SRCV) has been proposed as the main cause of superior mesenteric vein bleeding by avulsion during laparoscopic right hemicolectomy. Our objective is to identify the main vessel causing transverse mesocolic tension during the extraction of the surgical specimen or extracorporeal anastomosis and to perform an anatomical description of the SRCV. METHODS: In this cadaveric study, we performed a simulation of right hemicolectomy and anatomical description of the surgical area of the gastrocolic trunk of Henle (SAGCTH), the gastrocolic trunk of Henle (GCTH), and SRCV...
December 4, 2017: International Journal of Colorectal Disease
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