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Venous anatomy

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https://www.readbyqxmd.com/read/28207553/laparoscopic-living-donor-right-hemihepatectomy-with-venous-outflow-reconstruction-using-cadaveric-common-iliac-artery-allograft-case-report-and-literature-review
#1
Jiaxin Li, Jiwei Huang, Hong Wu, Yong Zeng
RATIONALE: With the development of laparoscopic technique, the total laparoscopic living donor right hemihepatectomy (LLDRH) procurement surgery has been successfully performed in many liver transplant centers all over the world, and the number of cases is continuing to increase. We report our case of laparoscopic right graft resection with venous outflow reconstruction using cadaveric common iliac artery allograft in our center and review literatures about total LLDRH surgery. PATIENT CONCERNS AND DIAGNOSES: A 40-year-old male living donor for right hepatectomy was selected after pretransplant evaluation including laboratory tests, liver volume, anatomy of hepatic vein, artery, portal vein, and bile duct...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28177991/variations-in-the-vascular-anatomy-of-the-right-colon-and-implications-for-right-sided-colon-surgery
#2
Mehmet Ayhan Kuzu, Erkin İsmail, Safa Çelik, Muhammed Feyzi Şahin, Mehmet Ali Güner, Werner Hohenberger, Halil İbrahim Açar
BACKGROUND: Knowledge of the normal pattern and variations of the blood supply of the right colon is crucial for better outcomes after colon surgery. OBJECTIVE: The purpose of this study was to describe the precise vascular anatomy of the right colon according to surgical perspective. DESIGN: Adult fresh cadavers were dissected between January 2013 and October 2015, focusing on the venous and arterial anatomy of the right side of the colon...
March 2017: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/28170434/the-internal-cranial-anatomy-of-romundina-stellina-%C3%A3-rvig-1975-vertebrata-placodermi-acanthothoraci-and-the-origin-of-jawed-vertebrates-anatomical-atlas-of-a-primitive-gnathostome
#3
Vincent Dupret, Sophie Sanchez, Daniel Goujet, Per Erik Ahlberg
Placoderms are considered as the first jawed vertebrates and constitute a paraphyletic group in the stem-gnathostome grade. The acanthothoracid placoderms are among the phylogenetically most basal and morphologically primitive gnathostomes, but their neurocranial anatomy is poorly understood. Here we present a near-complete three-dimensional skull of Romundina stellina, a small Early Devonian acanthothoracid from the Canadian Arctic Archipelago, scanned with propagation phase contrast microtomography at a 7...
2017: PloS One
https://www.readbyqxmd.com/read/28154838/surgical-anatomy-of-the-ligamentous-mesometrium-and-robotically-assisted-icg-guided-resection-in-cervical-cancer
#4
Rainer Kimmig, Paul Buderath, Peter Rusch, Bahriye Aktas
The ligamentous mesometrium is a 3-dimensional structure consisting of a rectouterine/-vaginal part with attachment to the anterior lateral mesorectum and a sacrouterine part surrounding the mesorectum attached to the pelvic fascia and the mesorectum dorsolaterally. The lymphatic network draining the posterior cervix connected caudally ventrally to the deep venous lymph network of the vascular mesometrium is running at the lateral surface of the sacrouterine part and dorsomedially of the inferior hypogastric plexus; it drains to the deep internal iliac, prespinal and preischiadic nodes...
May 2017: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/28151908/implantation-of-vvi-pacemaker-in-a-patient-with-dextrocardia-persistent-left-superior-vena-cava-and-sick-sinus-syndrome-a-case-report
#5
Gongliang Guo, Lili Yang, Jinyi Wu, Liqun Sun
BACKGROUND: Dextrocardia, or right-lying heart, is an uncommon congenital heart disease in which the apex of the heart is located on the right side of chest. Persistent left superior vena cava (PLSVA) is a rare venous anomaly that is often associated with the abnormalities of cardiac transduction system. A case with combination of dextrocardia, persistent left superior vena cava, and sick sinus syndrome has not been reported. METHODS: We used different techniques including cardiac color Doppler echocardiography, 24-hour Holter monitoring, and abdominal ultrasound to make a diagnosis and treated the patient by implanting a VVI pacemaker...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28138794/perforator-variability-in-the-anterolateral-thigh-free-flap-a-systematic-review
#6
REVIEW
Ross K Smith, James Wykes, David T Martin, Navin Niles
OBJECTIVES: The use of free flaps greatly improves reconstruction options and quality of life for patients undergoing oncological resections. The anterolateral thigh (ALT) free flap is frequently used in the head and neck. The aim of this review was to provide a summary of published evidence assessing perforator anatomy of this flap. METHODS: A broad search was undertaken through the PubMed database using the terms "anterolateral thigh free flap" and "perforator"...
January 30, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28137990/anatomical-variations-of-the-right-adrenal-vein-concordance-between-multidetector-computed-tomography-and-catheter-venography
#7
Kensuke Omura, Hideki Ota, Yuuki Takahashi, Tomonori Matsuura, Kazumasa Seiji, Yoichi Arai, Ryo Morimoto, Fumitoshi Satoh, Kei Takase
Adrenal venous sampling is the most reliable diagnostic procedure to determine surgical indications in primary aldosteronism. Because guidelines recommend multidetector computed tomography (CT) to evaluate the adrenal gland, some past reports used multidetector CT as a guide for adrenal venous sampling. However, the detailed anatomy of the right adrenal vein and its relationship with an accessory hepatic vein remains uncertain. The purpose of this study was to describe detailed anatomical variations of the right adrenal vein and to determine the concordance between CT and catheter venography in patients with primary aldosteronism...
March 2017: Hypertension
https://www.readbyqxmd.com/read/28126253/study-on-the-segmentation-of-the-right-anterior-sector-of-the-liver
#8
Tomoki Kobayashi, Tomoki Ebata, Yukihiro Yokoyama, Tsuyoshi Igami, Gen Sugawara, Takashi Mizuno, Junpei Yamaguchi, Masato Nagino
BACKGROUND: The segmentation of the right anterior sector of the liver still is debatable due to the lack of an anatomic landmark of the boundary between Couinaud segments V and VIII (cranio-caudal segmentation). Some authors have proposed the concept of a ventro-dorsal segmentation. The aim of this study was to evaluate which concept of segmentation better reflects the anatomy. METHODS: Using 3-dimensional computed tomography software, the ramification pattern of the right anterior portal vein was examined in 100 patients...
January 23, 2017: Surgery
https://www.readbyqxmd.com/read/28123975/utility-of-cone-beam-computed-tomography-in-the-assessment-of-the-porto-spleno-mesenteric-venous-system
#9
REVIEW
Karunakaravel Karuppasamy
The common diagnostic tools available to evaluate the porto-spleno-mesenteric venous (PSMV) system provide either good hemodynamic information with limited morphological details [e.g., ultrasonography (US)] or excellent tomographic display of the anatomy with limited information about flow patterns [e.g., multidetector computed tomography (MDCT) and magnetic resonance imaging]. Although catheter-directed selective digital subtraction angiography (DSA) can provide excellent information about flow at a high temporal resolution and can generate images at a high spatial resolution, this technique is often limited by a lack of cross-sectional detail...
December 2016: Cardiovascular Diagnosis and Therapy
https://www.readbyqxmd.com/read/28123974/lower-extremity-venous-reflux
#10
REVIEW
Vinit Baliyan, Shahein Tajmir, Sandeep S Hedgire, Suvranu Ganguli, Anand M Prabhakar
Venous incompetence in the lower extremity is a common clinical problem. Basic understanding of venous anatomy, pathophysiologic mechanisms of venous reflux is essential for choosing the appropriate treatment strategy. The complex interplay of venous pressure, abdominal pressure, venous valvular function and gravitational force determine the venous incompetence. This review is intended to provide a succinct review of the pathophysiology of venous incompetence and the current role of imaging in its management...
December 2016: Cardiovascular Diagnosis and Therapy
https://www.readbyqxmd.com/read/28107801/surgical-considerations-in-total-anomalous-pulmonary-venous-connection
#11
Fawwaz R Shaw, Jonathan M Chen
Total anomalous pulmonary venous connection (TAPVC) is predominantly a neonatal congenital cardiac diagnosis in which the pulmonary veins fail to return to the left atrium. The presence or absence of obstruction defines the clinical presentation, and in the setting of obstructed pulmonary veins, this diagnosis represents a true surgical emergency. Improvements in perioperative care and refinement of surgical techniques continue to allow for improved survival and decreased morbidity. A description of the surgical anatomy and key concepts in the perioperative and surgical management of TAPVC are presented in this review...
January 1, 2017: Seminars in Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28072805/anatomical-variants-of-the-pudendal-nerve-observed-during-a-transgluteal-surgical-approach-in-a-population-of-patients-with-pudendal-neuralgia
#12
Stephane Ploteau, Marie-Aimee Perrouin-Verbe, Jean-Jacques Labat, Thibault Riant, Amelie Levesque, Roger Robert
BACKGROUND: Several studies have described the course and anatomical relations of the pudendal nerve. Several surgical nerve decompression techniques have been described, but only the transgluteal approach has been validated by a prospective randomized clinical trial. The purpose of this study was to describe the course of the nerve and its variants in a population of patients with pudendal neuralgia in order to guide the surgeon in the choice of surgical approach for pudendal nerve decompression...
January 2017: Pain Physician
https://www.readbyqxmd.com/read/28065407/venous-drainage-of-the-face
#13
S Onishi, N Imanishi, Y Yoshimura, Y Inoue, Y Sakamoto, H Chang, T Okumoto
The venous anatomy of the face was examined in 12 fresh cadavers. Venograms and arteriovenograms were obtained after the injection of contrast medium. In 8 of the 12 cadavers, a large loop was formed by the facial vein, the supratrochlear vein, and the superficial temporal vein, which became the main trunk vein of the face. In 4 of the 12 cadavers, the superior lateral limb of the loop vein was less well developed. The loop vein generally did not accompany the arteries of the face. Cutaneous branches of the loop vein formed a polygonal venous network in the skin, while communicating branches ran toward deep veins...
December 14, 2016: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28056580/utility-of-adjunctive-digital-subtraction-venography-for-the-treatment-of-saphenous-vein-insufficiency
#14
Ramon L Varcoe, Shannon D Thomas, Victor Bourke, Nicole M K Rübesamen, Andrew F Lennox
PURPOSE: To report the use of adjunctive venography for the treatment of superficial venous reflux. METHODS: Two hundred consecutive patients (mean age 60.9 years, range 33-86; 128 women) with chronic venous disease underwent saphenous or perforator vein ablation in 268 limbs (305 venous trunks) guided by adjunctive venography and fluoroscopy in addition to ultrasound between October 2010 and May 2016. Intraprocedural venograms were independently evaluated by 2 vascular specialists to identify the presence of venous anomalies and the need for fluoroscopy-guided maneuvers to successfully complete venous ablation...
January 1, 2017: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/28049512/a-stab-wound-to-the-axilla-illustrating-the-importance-of-brachial-plexus-anatomy-in-an-emergency-context-a-case-report
#15
Diogo Casal, Teresa Cunha, Diogo Pais, Inês Iria, Maria Angélica-Almeida, Gerardo Millan, José Videira-Castro, João Goyri-O'Neill
BACKGROUND: Although open injuries involving the brachial plexus are relatively uncommon, they can lead to permanent disability and even be life threatening if accompanied by vascular damage. We present a case report of a brachial plexus injury in which the urgency of the situation precluded the use of any ancillary diagnostic examinations and forced a rapid clinical assessment. CASE PRESENTATION: We report a case of a Portuguese man who had a stabbing injury at the base of his left axilla...
January 4, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28026848/three-dimensional-ct-angiography-of-the-pulmonary-veins-and-their-anatomical-variations-involvement-in-vats-lobectomy-for-lung-cancer
#16
Alex Fourdrain, Florence De Dominicis, Marie Bensussan, Jules Iquille, Sophie Lafitte, David Michel, Pascal Berna
BACKGROUND: Identification and section of pulmonary veins are an essential part of anatomical pulmonary resections. Intraoperative misunderstandings of pulmonary venous anatomy can lead to serious complications such as bleeding and delayed lung infarction or necrosis. We evaluated principally the rate of pulmonary venous anatomical variations, and secondarily the reliability and clinical outcomes of a preoperative morphological analysis. MATERIALS AND METHODS: Between November 2012 and October 2013, we studied 100 consecutive patients with highly suspected or diagnosed stage I-II primitive lung cancer lesion...
December 27, 2016: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/28024557/acute-right-ventricle-failure-in-the-intensive-care-unit-assessment-and-management
#17
REVIEW
Carmen Hrymak, Johann Strumpher, Eric Jacobsohn
Caring for the critically ill patient with acute right ventricle (RV) failure is a diagnostic and management challenge. A thorough understanding of normal RV anatomy and physiology is essential to manage RV failure. Despite the fact that the RV is essentially a volume chamber that ejects into a low-pressure system, the left ventricle contributes significantly to RV function through maintenance of the transseptal gradient (TSG). Preserving systemic mean arterial pressure maintains the TSG and RV perfusion. Various pathological states cause acute RV failure by decreasing the TSG and RV perfusion and/or increasing pulmonary vascular resistance...
January 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/28012335/is-the-absence-of-right-hepatic-vein-opening-into-inferior-vena-cava-a-contraindication-for-right-lobe-liver-donation-in-living-donor-liver-transplantation-common-hepatic-venous-trunk-a-rare-hepatic-vein-anomaly-a-case-report-and-review
#18
Samrat Ray, T Anila, Sandeep Kumar Jha, Saumitra Rawat, Kishan Singh Rawat, Suresh Kumar Singhvi
INTRODUCTION: In majority of the living liver donors, the left and the middle hepatic veins form a common trunk and the right hepatic vein drains by a separate trunk into the IVC forming two ostial openings. PRESENTATION OF CASE: This report presents a rare challenge to the operating surgeon in which the three major hepatic veins form a common trunk and drain into the IVC through a single ostial opening. It was detected preoperatively by the routine donor imaging studies...
November 18, 2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28008705/navigating-the-mesentery-part-ii-vascular-abnormalities-and-a-review-of-the-literature
#19
Jens Marius Nesgaard, Bojan V Stimec, Arne Olav Bakka, Bjorn Edwin, Dejan Ignjatovic
AIM: Vascular abnormalities present benefits and/or disadvantages for the patient undergoing surgery. The aims of this study were to define, classify, and demonstrate the courses and to assess the clinical value of arterial and venous abnormalities in the central mesentery. METHOD: We conducted a review of the anatomy of 340 patients planned for enrolment in the "Safe Radical D3 Right Hemicolectomy for Cancer through Preoperative Biphasic MDCT Angiography" trial, 312 of whom were submitted to surgery...
December 23, 2016: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
https://www.readbyqxmd.com/read/28007012/effect-of-socio-demographic-characteristics-and-clinical-findings-on-the-quality-of-life-of-patients-with-chronic-venous-insufficiency
#20
Ebru Soydan, Emel Yılmaz, Hakan Baydur
Objective This study was planned and implemented to evaluate the effect of socio-demographic characteristics and clinical findings on the quality of life of patients with chronic venous insufficiency. Methods The sample of this cross-sectional study consisted of 163 patients that presented with the diagnosis of chronic venous insufficiency to the cardiovascular surgery clinic of an education and research hospital in the west of Turkey. The data were collected during face-to-face interviews using a personal information form, clinical, etiology, anatomy, pathophysiology classification, venous insufficiency epidemiological and economic study-quality of life/symptoms scales and the Short Form-36...
January 1, 2016: Vascular
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