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https://www.readbyqxmd.com/read/28736120/aneurysmal-degeneration-of-type-b-aortic-dissections-after-thoracic-endovascular-aortic-repair-a-systematic-review
#1
REVIEW
Marissa Famularo, Karol Meyermann, Joseph V Lombardi
BACKGROUND: Promising results of thoracic endovascular aortic repair (TEVAR) in patients with complicated type B aortic dissection (TBAD) have been well documented. However, whereas early results have led many to hypothesize a benefit of TEVAR in uncomplicated patients, the natural history of TEVAR after the treatment of TBAD has yet to mature. In this review, we evaluated the available data to investigate whether longer term TEVAR warrants enthusiasm for all comers with TBAD. METHODS: A systematic review of the literature was performed searching specifically for studies assessing medium- and long-term outcomes after TEVAR for the treatment of TBAD...
July 20, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28731954/laparoscopic-pancreaticoduodenectomy-a-single-team-preliminary-experience
#2
Xiaohui Duan, Bo Jiang, Lixue Zhou, Jianhui Yang, Bingzhang Tian, Huiming Wen, Xianhai Mao
OBJECTIVE: The present study aimed to describe the authors' experience and the perioperative outcome for laparoscopic pancreaticoduodenectomy (LPD). MATERIALS AND METHODS: Perioperative clinical data of 57 consecutive pancreaticoduodenectomy (PD) procedures performed from January 2014 to May 2016 in the Department of Hepatobiliary Surgery, Hunan Provincial People's Hospital were retrospectively analyzed. RESULTS: The median of operative time was 315 minutes (range, 220 to 575 min) and the median of intraoperative estimated blood loss was 200 mL (range, 100 to 550 mL)...
July 20, 2017: Surgical Laparoscopy, Endoscopy & Percutaneous Techniques
https://www.readbyqxmd.com/read/28731282/altered-signaling-associated-with-chronic-arsenic-exposure-in-human-skin-keratinocytes
#3
Sartaj Ahmad Mir, Santosh Renuse, Gajanan Sathe, Aafaque Ahmad Khan, Arun H Patil, Vishalakshi Nanjappa, Firdous Ahmad Bhat, T S Keshava Prasad, Ashok K Giri, Aditi Chatterjee, Harsha Gowda
Modulation of signaling pathways upon chronic arsenic exposure remains poorly studied. Here we carried out SILAC-based quantitative phosphoproteomics analysis to dissect the signaling induced upon chronic arsenic exposure in human skin keratinocyte cell line, HaCaT. We identified 4,171 unique phosphosites derived from 2,000 proteins. We observed differential phosphorylation of 406 phosphosites (2-fold) corresponding to 305 proteins. Several pathways involved in cytoskeleton maintenance and organization were found to be significantly enriched (p<0...
July 21, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28727711/high-body-mass-index-is-a-potential-risk-factor-for-persistent-postoperative-pain-after-breast-cancer-treatment
#4
Noud van Helmond, Hans Timmerman, Nick T van Dasselaar, Carmen C van de Pol, Soren S Olesen, Asbjorn M Drewes, Kris Vissers, Oliver H Wilder-Smith, Monique A Steegers
BACKGROUND: Risk factors associated with persistent pain after breast cancer treatment are needed to develop prevention and treatment strategies to improve the quality of life for patients with breast cancer. OBJECTIVES: To identify factors associated with persistent pain in women undergoing breast cancer treatments. STUDY DESIGN: Retrospective study. SETTING: Regional hospital in the Netherlands. METHODS: The primary outcome was pain associated with surgery at more than 6 months postoperatively and patients were stratified based on the associated visual analog" scale score they reported: reporting no pain as "no pain," pain 1 - 29 mm as "mild pain," and pain 30 - 100 mm as "moderate/severe pain...
July 2017: Pain Physician
https://www.readbyqxmd.com/read/28727298/nine-patients-with-chronic-granulomatous-disease-having-selective-neck-dissection-for-severe-cervical-lymphadenitis
#5
Laura R Wingfield, Jack Liu, Michael Hu, David Bianchi, Kenneth Hauck, Brian Driscoll, John I Gallin, Harry L Malech, Steven M Holland, Carter Van Waes
Chronic Granulomatous Disease (CGD) is a rare, inherited disorder due to an X-linked or autosomal genetic defect, in which patients experience a high rate of lymphadenitis. To date, no studies have examined the best treatment for severe lymphadenitis in this patient population. We present a nine CGD patient retrospective case series, examining surgical treatment of cervical lymphadenitis. Our evolving surgical strategy shows that an initially more aggressive surgical approach (selective neck dissection) can help prevent recurrent infection...
July 20, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28726146/an-odyssey-of-complications-from-band-to-sleeve-to-bypass-definitive-laparoscopic-completion-gastrectomy-with-distal-esophagectomy-and-esophagojejunostomy-for-persistent-leak
#6
Hideo Takahashi, Andrew T Strong, Alfredo D Guerron, John H Rodriguez, Matthew Kroh
INTRODUCTION: Anastomotic leaks are uncommon yet potentially devastating complications after bariatric surgery. While the initial management includes resuscitation and sepsis control, the definitive management often requires endoscopic or surgical interventions. Surgical revision of the initial surgery may be necessary for chronic non-healing fistula. PATIENTS AND METHODS: The patient is a 45-year-old female with history of laparoscopic adjustable gastric banding who underwent band removal and conversion to a sleeve gastrectomy (SG) due to her failed weight loss, which resulted in a leak at gastroesophageal junction...
July 19, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28721202/defining-the-inflammatory-signature-of-human-lung-explant-tissue-in-the-presence-and-absence-of-glucocorticoid
#7
Tracy L Rimington, Emily Hodge, Charlotte K Billington, Sangita Bhaker, Binaya K C, Iain Kilty, Scott Jelinsky, Ian P Hall, Ian Sayers
BACKGROUND:  Airway inflammation is a feature of many respiratory diseases and there is a need for newer, more effective anti-inflammatory compounds. The aim of this study was to develop an ex vivo human lung explant model which can be used to help study the mechanisms underlying inflammatory responses and which can provide a tool to aid drug discovery for inflammatory respiratory diseases such as asthma and COPD. METHOD:  Parenchymal lung tissue from 6 individual donors was dissected and cultured with two pro-inflammatory stimuli, lipopolysaccharide (LPS) (1 µg/ml) and interleukin-1 beta (IL-1β) (10 ng/ml) in the presence or absence of dexamethasone (1 µM)...
2017: F1000Research
https://www.readbyqxmd.com/read/28708585/the-neglected-avian-hepatotropic-virus-induces-acute-and-chronic-hepatitis-in-ducks-an-alternative-model-for-hepatology
#8
Xumin Ou, Sai Mao, Jingyu Cao, Yunchao Ma, Guangpeng Ma, Anchun Cheng, Mingshu Wang, Dekang Zhu, Shun Chen, Renyong Jia, Mafeng Liu, Kunfeng Sun, Qiao Yang, Ying Wu, Xiaoyue Chen
Duck Hepatitis A Virus (DHAV) belongs to the Avihepatovirus, which is also classified into Picornaviridae with Hepatovirus, Hepatitis A Virus (HAV). In humans, the pathogenesis of HAV is not well understood because of limited work with animal models. Here, we investigated the progress of duck viral hepatitis caused by DHAV and their potential for dissecting the pathogenesis of HAV. During the course of infection, the duck model had undergone hepatocellular lesions (vacuolation, acidophilic degeneration and steatosis), lymphocytes recruitment (neutrophil granulocytes, heterophilic granulocytes and T cells or plasm cells) and repair (activation of hepatic stellate cells, fibrosis and regeneration)...
July 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28706845/arthroscopic-triple-arthrodesis-in-management-of-chronic-flatfoot-deformity
#9
Tun Hing Lui
Triple arthrodesis has a significant role in the management of hindfoot osteoarthritis and deformity. Traditionally, it is an open procedure with extensive soft tissue dissection. Arthroscopic triple arthrodesis would appear to provide good visualization and preparation of the fusion surfaces while preserving the soft tissue envelope. The purpose of this Technical Note is to describe a minimally invasive approach of triple arthrodesis to correct chronic flatfoot deformity.
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28705908/importance-of-kynurenine-in-pulmonary-hypertension
#10
Bence M Nagy, Chandran Nagaraj, Andreas Meinitzer, Neha Sharma, Rita Papp, Vasile Foris, Bahil Ghanim, Grazyna Kwapiszewska, Gabor Kovacs, Walter Klepetko, Thomas R Pieber, Harald Mangge, Horst Olschewski, Andrea Oslchewski
The tryptophan metabolite kynurenine is significantly increased in pulmonary arterial hyper-tension (PAH) patients, and it is a potent vasodilator of systemic arteries. Our aim was to in-vestigate the role of kynurenine in the pulmonary circulation. Serum tryptophan, kynurenine and kynurenic-acid levels were measured in 20 idiopathic PAH (IPAH) patients, 20 healthy controls and 20 patients with chronic lung disease or meta-bolic syndrome without-PH. Laser-dissected pulmonary arteries from IPAH and control lungs were tested for the expression of IDO, the rate-limiting enzyme for the conversion from tryptophan to kynurenine...
July 13, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28700467/early-and-midterm-outcomes-of-thoracic-endovascular-aortic-repair-tevar-for-acute-and-chronic-complicated-type-b-aortic-dissection
#11
Min-Hong Zhang, Xin Du, Wei Guo, Xiao-Ping Liu, Xin Jia, Yang-Yang Ge
Thoracic endovascular aortic repair (TEVAR) in the current era has been chosen as a dominant and minimally invasive treatment for complicated aorta dissection. This study aimed to assess safety and feasibility of TEVAR in acute and chronic type B aortic dissection.Between January 2011 and December 2013, 85 patients with complicated type B aortic dissection undergoing TEVAR were divided into acute aortic dissection (AAD) (n = 60) group and chronic aortic dissection (CAD) group (n = 25). Computed tomography was used to evaluate postoperative changes in maximal aortic diameter and true and false lumen diameters at 3 levels during a mean follow-up period of 26...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28699698/reduced-dosing-and-liability-in-methadone-maintenance-treatment-by-targeting-oestrogen-signal-for-morphine-addiction
#12
Yao-Chang Chiang, Ruey-Yun Wang, Chieh-Liang Huang, Shue-Hwa Chen, Wen-Jing Ho, Hsien-Yuan Lane, Ing-Kang Ho, Hwei-Ting Yang, Wen-Lung Ma
Methadone maintenance treatment (MMT) is the major tapering therapy for morphine addictive patients. There have gender differences reported in response to MMT. This study discovered that the estrogen-response element single nucleotide polymorphism (ERE-SNP; rs16974799, C/T) of cytochrome 2B6 gene (cyp2b6; methadone catabolic enzyme) responded differently to MMT dosing. Oestradiol was associated with high MMT dosing, high enantiomer (R- or S-) of 2-ethylidene-1,5-dimethyl-3,3-dipheny-pyrrolidine (EDDP; methadone metabolite) to methadone ratio and increased drug-seeking behaviour, implicating oestradiol-CYP-EDDP/methadone axis decreasing MMT efficacy...
July 12, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28698899/methodical-endoscopic-repair-of-congenital-indirect-inguinoscrotal-hernia-in-adult-male-patients-with-completely-patent-processus-vaginalis
#13
C R Berney
PURPOSE: Indirect inguinal hernia related to the presence of a patent processus vaginalis (PPV) in adult is estimated to be around 15%. Most surgeons would favor a standard anterior hernioplasty to minimize the potential risk of damaging the spermatic cord structures that are always intimately fused to the congenital peritoneal sac. This also means overlooking the potential benefit of alternative posterior techniques such as endoscopic totally extraperitoneal (TEP) repair that is known to offer faster recovery with reduced risk of developing chronic groin pain...
July 11, 2017: Hernia: the Journal of Hernias and Abdominal Wall Surgery
https://www.readbyqxmd.com/read/28696188/evolution-of-cross-neutralizing-antibodies-and-mapping-epitope-specificity-in-plasma-of-chronic-hiv-1-infected-antiretroviral-therapy-na%C3%A3-ve-children-from-india
#14
Muzamil A Makhdoomi, Lubina Khan, Sanjeev Kumar, Heena Aggarwal, Ravinder Singh, Rakesh Lodha, Mohit Singla, Bimal K Das, Sushil K Kabra, Kalpana Luthra
Delineating the factors leading to the development of broadly neutralizing antibodies (bnAbs) during natural HIV-1 infection and dissecting their epitope specificities generates useful information for vaccine design. This is the first longitudinal study to assess the plasma-neutralizing antibody response and neutralizing determinants in HIV-1-infected children from India. We enrolled 26 and followed up 20 antiretroviral therapy (ART)-naïve, asymptomatic, chronic HIV-1-infected children. Five (19.2 %) baseline and 10 (50 %) follow-up plasma samples neutralized ≥50 % of subtypes A, B and C tier 2 viruses at an ID50 titre ≥150...
July 12, 2017: Journal of General Virology
https://www.readbyqxmd.com/read/28694492/chronic-lung-inflammation-primes-humoral-immunity-and-augments-antipneumococcal-resistance
#15
Julia D Boehme, Sabine Stegemann-Koniszewski, Andrea Autengruber, Nicole Peters, Josef Wissing, Lothar Jänsch, Andreas Jeron, Dunja Bruder
Airway epithelial cells (AECs) display remarkable plasticity in response to infectious stimuli and their functional adaptations are critical for antimicrobial immunity. However, the roles of AECs and humoral mediators to host defense in non-communicable lung inflammation remain elusive. We dissected pulmonary defense against Streptococcus pneumoniae in hosts with pre-existing inflammatory conditions (SPC-HAxTCR-HA mice). Lung tissue transcriptomics and bronchoalveolar lavage fluid (BALF) proteomics revealed an induction of humoral defense mechanisms in inflamed lungs...
July 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28693049/hybrid-repair-techniques-for-complex-aneurysms-and-dissections-involving-the-aortic-arch-and-thoracic-aorta
#16
Rami Tadros, Scott R Safir, Peter L Faries, Daniel K Han, Rajiv K Chander, James F McKinsey, Michael L Marin, Allan S Stewart, Sharif Ellozy
Aortic aneurysms involving the ascending aorta, aortic arch, and descending thoracic aorta have been a challenging entity to surgically treat for over 60 years. Despite the mortality of the disease, early open surgical procedures also had significant morbidity and mortality. The inherent risk in treating multiple anatomic segments simultaneously led to the innovation of the staged elephant trunk (ET) approach by Borst in 1983. To avoid the thoracotomy and associated complications related to the second stage of the procedure, an endovascular completion paradigm was begun by Volodos in 1991...
July 11, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/28691213/central-cannulation-strategy-for-extent-i-thoracoabdominal-aneurysm-repair-of-chronic-type-b-aortic-dissection
#17
Reilly D Hobbs, Tyler J Wallen, Caroline M Komlo, Patrick J Moeller, Alberto Pochettino, Joseph E Bavaria, Prashanth Vallabhajosyula
INTRODUCTION: We evaluated the safety profile of a central cardiopulmonary bypass (CPB) cannulation strategy for repair of extent I thoracoabdominal aortic aneurysms (TAAA) with chronic type B dissection in comparison to traditional peripheral CPB cannulation strategies. METHODS: Patients undergoing extent I TAAA repair for chronic type B dissection from 2002 to 2011 were retrospectively reviewed. Patients were grouped by their CPB cannulation strategy. Patients in Group I underwent central aortic cannulation (n = 28) through a left thoracotomy incision...
July 10, 2017: Journal of Cardiac Surgery
https://www.readbyqxmd.com/read/28689484/transcatheter-aortic-valve-implantation-as-a-bailout-procedure-for-acute-aortic-valve-regurgitation-during-endovascular-arch-repair
#18
Adrien Hertault, Rachel E Clough, Thomas Modine, Jean-Luc Auffray, Mohamad Koussa, Stéphan Haulon
PURPOSE: To report emergent transcatheter aortic valve implantation (TAVI) to treat acute severe aortic regurgitation caused by valve cusp dysfunction following proximal migration of an endograft implanted in the ascending aorta during endovascular arch repair. CASE REPORT: A 65-year-old man had been previously treated with thoracic and fenestrated endografts in a 2-stage procedure for a chronic type B dissection. At 2-year follow-up, aneurysmal evolution of the distal arch led to development of a proximal type Ia endoleak...
July 1, 2017: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/28678580/reconstructive-subperiosteal-midface-lift-a-three-nonvisible-incision-approach
#19
Marco Sales-Sanz, Constanza Barrancos, Hae-Ryung Won-Kim, Andrea Sales-Sanz, César Colmenero
This article describes our surgical technique for subperiosteal midface elevation in patients with paralytic lower eyelid malposition or cicatricial inferior eyelid retraction. Nineteen patients with paralytic lower eyelid malposition and 15 patients with cicatricial inferior eyelid retraction underwent a subperiosteal midface lift (n = 34). The procedure was performed under local anesthesia through three nonvisible incisions. A transconjunctival incision allows preseptal dissection to the orbital rim, followed by a subperiosteal dissection of the midface...
July 5, 2017: Orbit
https://www.readbyqxmd.com/read/28678084/magnetic-resonance-lymphography-at-9-4-t-using-a-gadolinium-based-nanoparticle-in-rats-investigations-in-healthy-animals-and-in-a-hindlimb-lymphedema-model
#20
Andreas Müller, Peter Fries, Bijan Jelvani, François Lux, Claudia E Rübe, Stephanie Kremp, Pietro Giovanoli, Arno Buecker, Michael D Menger, Matthias W Laschke, Florian S Frueh
OBJECTIVES: Magnetic resonance lymphography (MRL) in small animals is a promising but challenging tool in preclinical lymphatic research. In this study, we compared the gadolinium (Gd)-based nanoparticle AGuIX with Gd-DOTA for interstitial MRL in healthy rats and in a chronic rat hindlimb lymphedema model. MATERIALS AND METHODS: A comparative study with AGuIX and Gd-DOTA for interstitial MRL was performed in healthy Lewis rats (n = 6). For this purpose, 75 μL of 3 mM AGuIX (containing 30 mM Gd-DOTA side residues) and 75 μL 30 mM Gd-DOTA were injected simultaneously in the right and left hindlimbs...
July 3, 2017: Investigative Radiology
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