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Cardiovascular surgery

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https://www.readbyqxmd.com/read/29684444/studies-into-slo1-k-channels-and-their-ligand-docosahexaenoic-acid-in-murine-sepsis-to-delineate-off-target-effects-of-immunonutrition
#1
Bianka Wissuwa, Stefan H Heinemann, Michael Bauer, Sina M Coldewey
AIMS: Studies on omega-3 fatty acids, including docosahexaenoic acid (DHA), reveal diverging results: Their intake is recommended in cardiovascular disease and major surgery, while evidence argues against use in septic patients. DHA mediates its blood-pressure-lowering effect through Slo1 channels that are expressed on cardiovascular and immune cells. We hypothesised that conflicting effects of immunonutrition could be explained by the influence of omega-3 fatty acids on systemic blood pressure or immune effector cells through Slo1...
April 20, 2018: Life Sciences
https://www.readbyqxmd.com/read/29682533/bilateral-hip-arthroplasty-when-is-it-safe-to-operate-the-second-hip-a-systematic-review
#2
REVIEW
Meilyn Muskus, Jorge Rojas, Camilo Gutiérrez, Juan Guio, Guillermo Bonilla, Adolfo Llinás
Introduction: Patients with degenerative hip disease frequently present with bilateral involvement that requires surgical management. The main goal when treating these patients is to achieve the maximum efficiency without increasing risk of perioperative complications; therefore, the decision regarding the best moment to operate the second hip becomes relevant. Although studies have addressed this topic, whether a simultaneous or staged surgery should be performed remains controversial...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29682108/hybrid-operations-in-patients-with-peripheral-arterial-disease
#3
REVIEW
Atsubumi Murakami
In this seminar, I would like to discuss the recent hybrid operations in patients with peripheral arterial diseases. Hybrid is generally defined as combinations of different types of things. In the surgical community, it is loosely defined as therapy combining open surgery (OS) and endovascular therapy (EVT). In practice, combination surgery of diseased inflow vessels by EVT and outflow vessels by OS is a typical example, namely, the combination therapy of thromboendarterectomy (TEA) for common femoral artery and EVT (PTA and stenting) for iliac artery in patients with PAD (ilio-femoral lesions)...
March 25, 2018: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29681597/strategy-for-cardiovascular-surgery-in-patients-with-antithrombin-iii-deficiency
#4
Yoshiyuki Nishimura, Yasushi Takagi
Antithrombin III (ATIII) deficiency is a rare disorder in which thrombosis can be induced by stimuli that do not usually lead to thrombus formation, including minor injuries and surgery. Therefore, patients with ATIII deficiency undergoing cardiovascular surgery that involves heparinization require careful perioperative management. We experienced five patients with ATIII deficiency who underwent cardiovascular surgery and were managed with ATIII replacement. By administration of ATIII concentrate, preoperative ATIII activity was maintained at ≥120% and postoperative ATIII activity at ≥80%...
April 20, 2018: Annals of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29681567/recovery-of-endothelial-function-after-minor-to-moderate-surgery-is-impaired-by-diabetes-mellitus-obesity-hyperuricemia-and-sevoflurane-based-anesthesia
#5
Sachi Ohno, Atsushi Kohjitani, Masaaki Miyata, Akina Tohya, Kaoru Yamashita, Teruto Hashiguchi, Mitsuru Ohishi, Mitsutaka Sugimura
Endothelial dysfunction is observed in several cardiovascular diseases, where endothelium-dependent vasodilation is impaired by oxidative stress. However, the time course of endothelial function during the perioperative period of a minor-to-moderate surgery, and the effects of atherosclerotic risk factors and employed general anesthetics on recovery of endothelial function, are unknown. Endothelial function of 30 patients was evaluated as the reactive hyperemia index (RHI) of reactive hyperemia peripheral arterial tonometry...
April 20, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29681176/-genetic-heterogeneity-and-complexity-of-congenital-heart-defects
#6
Dóra Nagy, Márta Széll
Congenital heart defects are the most common birth defects, they account for approximately one third of all cases. They are clinically heterogeneous, vary widely in severity, treatability and prognosis and may occur as part of multiple developmental disorders, such as chromosome aberrations, microdeletion syndromes and monogenic diseases, or as isolated defects. Syndromic forms account for 25-40%, isolated forms for 60-75% of all cases. With conventional cytogenetic and next-generation molecular genetic methods, numerous genetic alterations have been identified in evolutionarily highly conserved genes of transcriptional regulators, signaling molecules and structural proteins, which are critical to normal cardiogenesis, mostly in cases with syndromic congenital heart defects...
April 2018: Orvosi Hetilap
https://www.readbyqxmd.com/read/29680865/comparison-of-midterm-outcomes-of-transcatheter-aortic-valve-implantation-in-patients-with-and-without-previous-coronary-artery-bypass-grafting
#7
Hideyuki Kawashima, Yusuke Watanabe, Ken Kozuma, Akihisa Kataoka, Makoto Nakashima, Hirofumi Hioki, Fukuko Nagura, Yugo Nara, Shinichi Shirai, Norio Tada, Motoharu Araki, Toru Naganuma, Futoshi Yamanaka, Hiroshi Ueno, Minoru Tabata, Kazuki Mizutani, Akihiro Higashimori, Kensuke Takagi, Masanori Yamamoto, Kentaro Hayashida
The midterm safety and feasibility of transcatheter aortic valve implantation (TAVI) for patients with a history of coronary artery bypass graft (CABG) and high operative risk are unclear. This study compared the midterm outcomes of patients undergoing TAVI with or without previous CABG surgery. Between October 2013 and July 2016, 1,613 patients underwent TAVI according to the Optimized CathEter vAlvular iNtervention (OCEAN)-TAVI registry (previous CABG: n = 120; no previous CABG: n = 1493). The propensity score comprised the variables of the Society of Thoracic Surgeons Score, previous myocardial infarction, peripheral artery disease, chronic kidney disease > stage 2 (estimated glomerular filtration rate < 60 mL/min/1...
April 21, 2018: Heart and Vessels
https://www.readbyqxmd.com/read/29680418/uvulopalatopharyngoplasty-reduces-the-incidence-of-cardiovascular-complications-caused-by-obstructive-sleep-apnea-results-from-the-national-insurance-service-survey-2007-2014
#8
Heung Man Lee, Hyo Yeol Kim, Jeffrey D Suh, Kyung-Do Han, Jin Kook Kim, Young Chang Lim, Seok-Chan Hong, Jae Hoon Cho
OBJECTIVE: Untreated obstructive sleep apnea (OSA) is a risk factor for cardiovascular disease including myocardial infarction (MI), congestive heart failure (CHF), and atrial fibrillation (AF). Continuous positive airway pressure (CPAP) is an effective treatment for OSA; however, compliance with CPAP can be challenging for some patients. The objective of this study was to investigate whether uvulopalatopharyngoplasty (UPPP) reduced the risk of cardiovascular complications for patients with OSA...
May 2018: Sleep Medicine
https://www.readbyqxmd.com/read/29677033/characterization-of-the-glucocorticoid-receptor-in-children-undergoing-cardiac-surgery
#9
Saul Flores, David S Cooper, Amy M Opoka, Ilias Iliopoulos, Sarah Pluckebaum, Matthew N Alder, Kelli A Krallman, Rashmi D Sahay, Lin Fei, Hector R Wong
OBJECTIVES: Postoperative administration of corticosteroids is common practice for managing catecholamine refractory low cardiac output syndrome. Since corticosteroid activity is dependent on the glucocorticoid receptor, we sought to characterize glucocorticoid receptor levels in children undergoing cardiac surgery and examined the association between glucocorticoid receptor levels and cardiovascular dysfunction. DESIGN: Prospective observational cohort study. SETTING: Large, tertiary pediatric cardiac center...
April 19, 2018: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/29675833/risks-of-restrictive-red-blood-cell-transfusion-strategies-in-patients-with-cardiovascular-disease-cvd-a-meta-analysis
#10
I Cortés-Puch, B M Wiley, J Sun, H G Klein, J Welsh, R L Danner, P Q Eichacker, C Natanson
AIM: To evaluate the risks of restrictive red blood cell transfusion strategies (haemoglobin 7-8 g dL-1 ) in patients with and without known cardiovascular disease (CVD). BACKGROUND: Recent guidelines recommend restrictive strategies for CVD patients hospitalised for non-CVD indications, patients without known CVD and patients hospitalised for CVD corrective procedures. METHODS/MATERIALS: Database searches were conducted through December 2017 for randomised clinical trials that enrolled patients with and without known CVD, hospitalised either for CVD-corrective procedures or non-cardiac indications, comparing effects of liberal with restrictive strategies on major adverse coronary events (MACE) and death...
April 19, 2018: Transfusion Medicine
https://www.readbyqxmd.com/read/29675417/developing-a-reliable-mouse-model-for-cancer-therapy-induced-cardiovascular-toxicity-in-cancer-patients-and-survivors
#11
Kyung Ae Ko, Yin Wang, Sivareddy Kotla, Yuka Fujii, Hang Thi Vu, Bhanu P Venkatesulu, Tamlyn N Thomas, Jan L Medina, Young Jin Gi, Megumi Hada, Jane Grande-Allen, Zarana S Patel, Sarah A Milgrom, Sunil Krishnan, Keigi Fujiwara, Jun-Ichi Abe
Background: The high incidence of cardiovascular events in cancer survivors has long been noted, but the mechanistic insights of cardiovascular toxicity of cancer treatments, especially for vessel diseases, remain unclear. It is well known that atherosclerotic plaque formation begins in the area exposed to disturbed blood flow, but the relationship between cancer therapy and disturbed flow in regulating plaque formation has not been well studied. Therefore, we had two goals for this study; (1) Generate an affordable, reliable, and reproducible mouse model to recapitulate the cancer therapy-induced cardiovascular events in cancer survivors, and (2) Establish a mouse model to investigate the interplay between disturbed flow and various cancer therapies in the process of atherosclerotic plaque formation...
2018: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/29675057/causes-of-death-in-long-term-survivors-of-non-small-cell-lung-cancer-a-regional-surveillance-epidemiology-and-end-results-study
#12
Amaraja A Kanitkar, Ann G Schwartz, Julie George, Ayman O Soubani
INTRODUCTION: Survival from lung cancer is improving. There are limited data on the causes of death in 5-year survivors of lung cancer. The aim of this study is to explore the causes of death in long-term survivors of non-small cell lung cancer (NSCLC) and describe the odds of dying from causes other than lung cancer in this patient population. METHODS: An analysis of 5-year survivors of newly diagnosed NSCLC from 1996 to 2007, in Metropolitan Detroit included in Surveillance, Epidemiology, and End Results program, was done...
April 2018: Annals of Thoracic Medicine
https://www.readbyqxmd.com/read/29674478/quadruple-valve-replacement-in-a-patient-with-severe-rheumatic-heart-disease
#13
Isaac Adembesa, Adriaan Myburgh, Justiaan Swanevelder
INTRODUCTION: RHD is the leading cause of cardiovascular morbidity and mortality among young people. TOE is valuable in confirming valvular heart pathology. DISCUSSION: We present a patient with severe rheumatic heart disease involving all the heart valves. TOE confirmed severe mitral stenosis, severe aortic regurgitation, severe tricuspid regurgitation and stenosis and severe pulmonary stenosis. This was consistent with TTE findings preoperatively. The patient underwent successful quadruple valve replacement in a single operation...
April 19, 2018: Echo Research and Practice
https://www.readbyqxmd.com/read/29673690/the-role-of-postoperative-radiation-therapy-for-completely-resected-stage-iii-thymoma-and-effect-of-higher-heart-radiation-dose-on-risk-of-cardiovascular-disease-a-retrospective-cohort-study
#14
Jiehao Liao, Tingting Liu, Hongwei Zhang, Feng Cai, Jun Chen, Jun Dang
OBJECTIVES: This study aimed to assess the efficacy of radiation therapy (RT) in patients with completely resected stage III thymoma and evaluate the relationship between higher heart dose and risk of cardiovascular disease (CVD). PATIENTS AND METHODS: A total of 130 consecutive patients with Masaoka stage III thymoma were retrospectively reviewed from January 2003 to December 2013. Of these, 99 underwent complete tumor resection [74 received postoperative radiation therapy (S + R) and 25 received surgery alone (S alone)] and 31 patients underwent RT alone (16 due to inoperable tumors and 15 due to high surgical risk or patient refusal; R alone)...
April 16, 2018: International Journal of Surgery
https://www.readbyqxmd.com/read/29671149/biological-scoring-system-for-early-prediction-of-acute-bowel-ischemia-after-cardiac-surgery-the-palm-score
#15
Elie Zogheib, Cyril Cosse, Charles Sabbagh, Simon Marx, Thierry Caus, Marc Henry, Joseph Nader, Mathurin Fumery, Michael Bernasinski, Patricia Besserve, Faouzi Trojette, Cedric Renard, Pierre Duhaut, Said Kamel, Jean-Marc Regimbeau, Hervé Dupont
BACKGROUND: Bowel ischemia is a life-threatening emergency defined as an inadequate vascular perfusion leading to bowel inflammation resulting from impaired colonic/small bowel blood supply. Main issue for physicians regarding bowel ischemia diagnosis lies in the absence of informative and specific clinical or biological signs leading to delayed management, resulting in a poorer prognosis, especially after cardiac surgery. The aim of the present series was to propose a simple scoring system based on biological data for the diagnosis of bowel ischemia...
April 18, 2018: Annals of Intensive Care
https://www.readbyqxmd.com/read/29669969/surgical-aortic-valve-replacement-in-octogenerians-in-the-era-of-transcatheter-aortic-valve-replacement
#16
Takashi Yamauchi, Takano Hiroshi, Koichi Toda, Yoshiki Sawa
BACKGROUND: The hospital mortality rate in >80-year-old patients undergoing surgical aortic valve replacement (SAVR) is reportedly satisfactory, but how such patients' functional status both at discharge and during the postoperative hospitalization period might affect their quality of life and medical costs remains unclear.Methods and Results:The adverse events of 161 patients aged >80 years who underwent SAVR with or without coronary artery bypass grafting were retrospectively investigated...
April 17, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29669488/physical-activity-and-exercise-therapy-benefits-more-than-just-symptoms-and-impairments-in-people-with-hip-and-knee-osteoarthritis
#17
Søren T Skou, Bente Klarlund Pedersen, J Haxby Abbott, Brooke Patterson, Christian Barton
Synopsis Hip and knee osteoarthritis (OA) are among the leading causes of global disability, highlighting the need for early, targeted, and effective treatments. The benefits on symptoms and impairments of exercise therapy in people with hip and knee OA are substantial and supported by high-quality evidence, underlining that it should be part of first line treatment offered to all people with hip and knee OA in clinical practice. Furthermore, unlike other treatments for OA such as analgesia and surgery, exercise therapy is not associated with risk of serious harm...
April 18, 2018: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/29668847/adiponectin-determines-farnesoid-x-receptor-agonism-mediated-cardioprotection-against-post-infarction-remodeling-and-dysfunction
#18
Yunlong Xia, Fuyang Zhang, Shihao Zhao, Yueyang Li, Xiyao Chen, Erhe Gao, Xinyue Xu, Zhenyu Xiong, Xiaomeng Zhang, Jinglong Zhang, Huishou Zhao, Wei Wang, Helin Wang, Yanjie Guo, Yi Liu, Congye Li, Shan Wang, Ling Zhang, Wenjun Yan, Ling Tao
Aims: The farnesoid X receptor (FXR) is a member of the metabolic nuclear receptor superfamily that plays a critical regulatory role in cardiovascular physiology/pathology. However, the role of systemic FXR activation in the chronic phase in myocardial infarction (MI)-induced cardiac remodeling and dysfunction remains unclear. In this study, we aimed to elucidate the role of long-term FXR activation on post-MI cardiac remodeling and dysfunction. Methods and Results: Mice underwent either MI surgery or sham operation...
April 14, 2018: Cardiovascular Research
https://www.readbyqxmd.com/read/29667178/cost-utility-analysis-of-bariatric-surgery
#19
O Borisenko, V Lukyanov, A R Ahmed
BACKGROUND: The objective of the study was to evaluate the cost-utility of bariatric surgery in England. METHODS: A state-transition Markov model was developed to compare the costs and outcomes of two treatment approaches for patients with morbid obesity: bariatric surgery, including gastric bypass, sleeve gastrectomy and adjustable gastric banding; and non-surgical usual care. Parameters of the effectiveness of surgery and complications were informed by data from the UK National Bariatric Surgery Registry, the Scandinavian Obesity Registry and the Swedish Obese Subjects study...
April 17, 2018: British Journal of Surgery
https://www.readbyqxmd.com/read/29664857/restrictive-versus-liberal-strategy-for-red-blood-cell-transfusion-a-systematic-review-and-meta-analysis-in-orthopaedic-patients
#20
Wan-Jie Gu, Xiao-Ping Gu, Xiang-Dong Wu, Hao Chen, Joey S W Kwong, Lu-Yang Zhou, Shuo Chen, Zheng-Liang Ma
BACKGROUND: Current guidelines recommend restrictive criteria for red blood-cell transfusion in most clinical settings. However, patients undergoing orthopaedic surgery may require distinct transfusion criteria since benefits and potential harm often vary considerably based on patient characteristics and surgical procedures. We aimed to assess the efficacy and safety of restrictive transfusion in patients undergoing orthopaedic surgery, especially in important subgroups. METHODS: Electronic databases were searched to identify randomized controlled trials investigating restrictive (mostly a hemoglobin level of 8...
April 18, 2018: Journal of Bone and Joint Surgery. American Volume
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