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Vascular anesthesia

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https://www.readbyqxmd.com/read/28625306/spinal-induced-hypotension-incidence-mechanisms-prophylaxis-and-management-summarizing-20-years-of-research
#1
REVIEW
Jennifer E Lee, Ronald B George, Ashraf S Habib
Hypotension commonly occurs in parturients undergoing cesarean delivery under spinal anesthesia. This leads to maternal and neonatal adverse outcomes, including maternal nausea and vomiting and fetal acidosis, and might even lead to cardiovascular collapse if not treated. Arterial dilatation and reduction in systemic vascular resistance are the major contributors to spinal-induced hypotension. Therefore, strategies aimed at expanding the intravascular volume with fluid loading or increasing venous return with lower extremities mechanical compression and lateral tilt have had limited effectiveness in the management of spinal-induced hypotension...
March 2017: Best Practice & Research. Clinical Anaesthesiology
https://www.readbyqxmd.com/read/28604090/anesthetic-management-of-a-patient-with-multiple-sclerosis
#2
Naohiro Ohshita, Shoko Gamoh, Masahiko Kanazumi, Masahiro Nakajima, Yoshihiro Momota, Yasuo M Tsutsumi
A 54-year-old woman diagnosed with multiple sclerosis (MS) at the age of 19 years was scheduled to undergo temporomandibular joint mobilization. She was currently in a remission phase from her MS but with persistent sequelae, including impaired eyesight and muscle weakness of the limbs. In addition, the blood vessels in her upper limbs were compromised by the formation of internal shunts secondary to vascular prosthesis replacements for plasma exchange therapy in MS. After a previous joint mobilization surgery, her temporomandibular joint developed adhesions with resultant trismus...
2017: Anesthesia Progress
https://www.readbyqxmd.com/read/28603563/management-of-an-extensive-vascular-lesion-on-the-lip-by-photocoagulation-with-high-intensity-diode-laser
#3
Luciane H Azevedo, Dante Migliari
OBJECTIVE: Extensive vascular malformations (VM) pose difficulties for an effective management. INTRODUCTION: This article describes a very satisfactory result, both functional and aesthetic, following a management by the technique of photocoagulation using diode laser in an extensive VM lesion involving the lower lip and left buccal mucosa in a 25 year old male. CASE REPORT: The patient reported that the lesion had been present since birth...
2017: Open Dentistry Journal
https://www.readbyqxmd.com/read/28597847/mapping-the-fine-structure-of-cortical-activity-with-different-micro-ecog-electrode-array-geometries
#4
Xi Wang, Alexis Gkogkidis, Olga Iljina, Lukas Fiederer, Chiristian Henle, Irina Mader, Jan Kaminsky, Thomas Stieglitz, Mortimer Gierthmuehlen, Tonio Ball
OBJECTIVE: Innovations in micro-electrocorticography (µECoG) electrode array manufacturing now allow for intricate designs with smaller contact diameters and/or pitch (i.e., center-to-center contact distance) down to the sub-mm range. The aims of the present study were: (i) to investigate whether frequency ranges up to 400 Hz can be reproducibly observed in µECoG recordings and (ii) to examine how differences in topographical substructure between these frequency bands and electrode array geometries can be quantified...
June 9, 2017: Journal of Neural Engineering
https://www.readbyqxmd.com/read/28591008/plasma-resuscitation-improved-survival-in-a-cecal-ligation-and-puncture-rat-model-of-sepsis
#5
Ronald Chang, John B Holcomb, Par I Johansson, Shibani Pati, Martin A Schreiber, Charles E Wade
BACKGROUND: The paradigm shift from crystalloid to plasma resuscitation of traumatic hemorrhagic shock has improved patient outcomes due in part to plasma-mediated reversal of catecholamine and inflammation-induced endothelial injury, decreasing vascular permeability and attenuating organ injury. Since sepsis induces a similar endothelial injury as seen in hemorrhage, we hypothesized that plasma resuscitation would increase 48-hour survival in a rat sepsis model. METHODS: Adult male Sprague-Dawley rats (375-425 g) were subjected to 35% cecal ligation and puncture (CLP) (t = 0 h)...
June 6, 2017: Shock
https://www.readbyqxmd.com/read/28587389/comparison-of-the-hemodynamics-and-dynamics-of-fluid-shift-of-ringer-s-solution-before-surgery-in-children-and-adults
#6
Guizhou Zhu, Yuhong Li, Guomei Ru, Qiannan Ding
The present study investigated the hemodynamics, vascular and extravascular volume expansion induced by infusion of lactated Ringer's solution in children and adults before surgery. This was a prospective randomized double-blind study. A total of 28 patients (14 children and 14 adult patients; American Society of Anesthesiology status I) scheduled for similar minor pelvic, anal rectal or lower limb surgery were recruited for the present study. All patients were administered with 10 ml/kg of lactated Ringer's solution at a constant rate over 20 min...
June 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28583731/risk-factors-for-postoperative-delirium-in-patients-undergoing-vascular-surgery
#7
REVIEW
George C Galyfos, Georgios E Geropapas, Argiri Sianou, Fragiska Sigala, Konstantinos Filis
OBJECTIVE: Postoperative delirium (PODE) remains a common complication after vascular surgery procedures although the exact pathogenesis remains unclear, mainly because of its multifactorial character. The aim of this systematic review was to evaluate pooled data on potential risk factors for PODE in patients undergoing vascular surgery procedures. METHODS: A systematic literature review was conducted conforming to established criteria to identify eligible articles published from 1990 to 2016...
June 2, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28582290/atypical-growing-pattern-of-superficial-temporal-artery-pseudoaneurysm
#8
Jeonghyun Ha, Yong Hyun Kim, Bo La Yun, Kyu Sang Lee, Chang-Sik Pak, Jae Hoon Jeong
Superficial temporal artery pseudoaneurysm is rare and usually caused by trauma. Pseudoaneurysms have been reported to occur most frequently from 2 to 6 weeks after trauma and they range from 1 to 3 cm in diameter. The authors present a case of a patient with an atypical delayed rapid growing pseudoaneurysm, who had undergone neurosurgery after head trauma 20 years ago.A 72-year-old woman underwent craniotomy and extradural hemorrhage removal through a left temporoparietal incision caused by head trauma after a traffic accident 20 years prior...
June 2, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28570404/surrogate-outcome-measures-for-corneal-neurotization-in-infants-and-children
#9
Sarvnaz Sepehripour, Mark Sheldon Lloyd, Hiroshi Nishikawa, Bruce Richard, Manoj Parulekar
BACKGROUND: Corneal anesthesia is a rare and challenging condition, particularly in young children. The insensate cornea leads to abnormal epithelial cell metabolism and loss of trophic influences supplied by the corneal nerve fibers. This results in recurrent spontaneous epithelia erosion and eventual loss of sight. Corneal reinnervation is a definitive treatment option for neuropathic keratitis. The outcome measures in young children following corneal sensitization are different to adults as esthesiometry is unachievable...
May 31, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28546695/retinal-vascular-occlusion-secondary-to-retrobulbar-injection-case-report-and-literature-review
#10
REVIEW
Dhaivat Vasavada, Prabu Baskaran, Seema Ramakrishnan
Retrobulbar injection has been widely practiced as a technique of ocular anesthesia for many decades. Nevertheless, the technique is not free from complications. Vascular occlusion secondary to retrobulbar injection is rare but can be vision threatening. We report a case series of two such patients who presented with poor vision following retrobulbar injection. Fundus showed pale retina with cherry red spot suggestive of central retinal artery occlusion in case 1 and pale disc with sclerosed vessels and multiple superficial hemorrhages suggestive of a combined occlusion of retinal artery and vein in case 2...
January 2017: Middle East African Journal of Ophthalmology
https://www.readbyqxmd.com/read/28533933/negative-wound-pressure-therapy-is-safe-and-useful-in-pediatric-burn-patients
#11
Yanhan Ren, Philip Chang, Robert L Sheridan
INTRODUCTION: Negative Pressure Wound Therapy (NPWT) has proven to be a powerful tool in facilitating healing of difficult wounds of a variety of etiologies. The pediatric experience with NPWT has been limited due to concerns about vascular compression and pain associated with treatment. METHOD: A retrospective review was performed to evaluate the therapeutic effect of NPWT on children with difficult wounds due to burns or soft-tissue trauma. NPWT was instituted in the operating room under general anesthesia using a commercially available system...
2017: International Journal of Burns and Trauma
https://www.readbyqxmd.com/read/28533073/the-impact-of-sevoflurane-on-coupling-of-the-left-ventricular-to-systemic-vasculature-in-rats-with-chronic-pulmonary-hypertension
#12
Lu Wang, Hui Luo, Gang Qin, Yanan Cao, Xiaowei Gao, Zhong Zhang, Zhi Ye, Junjie Zhang, Qulian Guo, E Wang
OBJECTIVES: The relationship between left ventricular function and afterload has not been investigated as much as the right ventricular function under chronic pulmonary hypertension (PH) during anesthesia. This study was designed to investigate effects of sevoflurane on the intrinsic coupling relationship between the left ventricle and systemic vasculature in the presence of PH. DESIGN: A randomized, controlled study. SETTING: University hospital...
February 13, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28530775/a-surgical-approach-to-iatrogenic-vascular-injuries-in-pediatric-cases
#13
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/28523092/management-of-a-life-threatening-bleeding-following-extraction-of-deciduous-second-molar-related-to-a-capillary-haemangioma
#14
REVIEW
Amr Amin Ghanem, Yasser Nabil El Hadidi
Various forms of vascular lesion affect the head and neck region. The head and neck vascular lesions are classified into neoplasms and malformations. Neoplasm presents either as hemangioma or lymphangioma; neoplasm usually presents in young age compared with vascular malformation. A 9-year-old female patient presented to the outpatient clinic referred from the department of pedodontics after extraction of a right mandibular second deciduous molar. Extraction was done by dental GP in outpatient clinic. Massive bleeding followed the extraction...
June 2017: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/28502961/haptoglobin-reduces-inflammatory-cytokine-inf-%C3%AE-and-facilitates-clot-formation-in-acute-severe-burn-rat-model
#15
Hiroyuki Koami, Yuichiro Sakamoto, Taku Miyasho, Ryo Noguchi, Norio Sato, Keita Kai, Kosuke Chris Yamada, Satoshi Inoue
Haptoglobin exerts renal protective function by scavenging free hemoglobin from the urine and blood stream in patients with hemolytic disorders. Recent studies elucidate the relationships between haptoglobin and inflammation. In addition, coagulopathy is often induced by systemic inflammation characterized by the presence of vascular endothelial damage. We hypothesize that haptoglobin might have an anti-inflammatory effect and affect hypercoagulability using rat burn model. Thirty anesthetized rats of six-weeks of age received over 30% full-thickness scald burn on the dorsal skin surface...
2017: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
https://www.readbyqxmd.com/read/28495814/automated-control-of-mechanical-ventilation-during-general-anaesthesia-study-protocol-of-a-bicentric-observational-study-avas
#16
Dirk Schädler, Georg Miestinger, Tobias Becher, Inéz Frerichs, Norbert Weiler, Christoph Hörmann
INTRODUCTION: Automated control of mechanical ventilation during general anaesthesia is not common. A novel system for automated control of most of the ventilator settings was designed and is available on an anaesthesia machine. METHODS AND ANALYSIS: The 'Automated control of mechanical ventilation during general anesthesia study' (AVAS) is an international investigator-initiated bicentric observational study designed to examine safety and efficacy of the system during general anaesthesia...
May 10, 2017: BMJ Open
https://www.readbyqxmd.com/read/28489683/intraoperative-use-of-vasopressors-does-not-increase-the-risk-of-free-flap-compromise-and-failure-in-cancer-patients
#17
Lin Fang, Jun Liu, Cuicui Yu, Matthew M Hanasono, Gang Zheng, Peirong Yu
OBJECTIVE: To examine the effects of vasopressors on free flap outcomes. BACKGROUND: Most micro-surgeons avoid the use of vasopressors during free flap surgery due to concerns of vasoconstriction, which could potentially lead to vascular thrombosis and flap failure. Previous studies lack the statistical power to draw meaningful conclusions. METHODS: All free flaps between 2004 and 2014 from a single institution were reviewed retrospectively...
May 9, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28486739/-castleman-s-disease-a-case-series-of-a-rare-lymphoproliferative-disease
#18
Ricarda Riepl, Thomas Karl Hoffmann, Jens Greve
Castleman's disease is a very rare and potentially severe lymphoproliferative disorder. First sign may be cervical lymphadenitis, requiring sufficient support in diagnosis and therapy by an ENT specialist. Based on a case series the current manuscript gives an overview of the symptoms, the course of disease and the therapy options. Patients with the first diagnosis of a Castleman's disease at the ENT clinic of Ulm University during the years 2011-2015 were included. The duration of symptoms, the applied diagnostic and therapeutic algorithms were evaluated...
May 9, 2017: Laryngo- Rhino- Otologie
https://www.readbyqxmd.com/read/28481763/in-plane-ultrasound-guided-knee-injection-through-a-lateral-suprapatellar-approach-a-safe-technique
#19
Francisco A Chagas-Neto, Atul K Taneja, Everaldo Gregio-Junior, Marcello H Nogueira-Barbosa
PURPOSE: This study aims to describe a technique for in-plane ultrasound-guided knee arthrography through a lateral suprapatellar approach, reporting its accuracy and related complications. METHODS: A retrospective search was performed for computed tomography and magnetic resonance reports from June 2013 through June 2015. Imaging studies, puncture descriptions, and guided-procedure images were reviewed along with clinical and surgical history. A fellowship-trained musculoskeletal radiologist performed all procedures under sterile technique and ultrasound guidance with the probe in oblique position on the lateral suprapatellar recess after local anesthesia with the patient on dorsal decubitus, hip in neutral rotation, and 30 to 45 degrees of knee flexion...
June 2017: Ultrasound Quarterly
https://www.readbyqxmd.com/read/28481065/-current-anesthesia-risk-of-anterior-mediastinal-masses
#20
M Aguilera-Pujabet, G Guillén, N Montferrer, S López-Fernández, J A Molino, J Lloret
AIM: To analyze the current risk of an anesthetic event during surgical acts in pediatric patients with anterior mediastinal masses (AMM) in a tertiary oncology center, using the previously published risk factors to plan the procedure. MATERIALS AND METHODS: Retrospective study (2009-2015) of pediatric patients with AMM who underwent surgical procedures at debut. Published risk factors (symptoms, radiological findings), with special focus on the statistically significant ones, diagnosis, surgical and anesthetic procedure, special measures, and anesthetic events were recorded...
October 10, 2016: Cirugía Pediátrica: Organo Oficial de la Sociedad Española de Cirugía Pediátrica
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