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 124,988 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A retrospective cohort study of 2,218 patients with deep vein thrombosis or pulmonary embolism during a 25-year period from 1966-1990 in Minnesota showed an annual incidence of venous thromboembolism of 117 per 100,000 (deep vein thrombosis, 48 per 100,000; pulmonary embolism, 69 per 100,000). Higher rates were found in males than females (130 vs 110 per 100,000, respectively) after adjusting for age. Early diagnosis and appropriate treatment of DVT and PE have been shown to significantly reduce mortality and morbidity. Risk factors for venous thromboembolism include alterations in blood flow (surgery, injury or long-distance air travel, pregnancy, obesity), hypercoagulability (factor V Leiden mutation, prothrombin mutation, protein C deficiency, protein S deficiency, antithrombin deficiency, hyperhomocysteinemia, antiphospholipid syndrome, nephrotic syndrome, paroxysmal nocturnal hemoglobinuria) and vessel wall abnormalities. Eighty percent of deep venous thrombosis resolves spontaneously and less than 15% embolize to pulmonary arteries.
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PMID:Saddle pulmonary thromboembolism with zero Wells' score. 2147 78

Venous thromboembolic events (deep vein thrombosis [DVT] and pulmonary embolism) are serious preventable complications associated with gynecologic surgery. Preoperative risk assessment of the individual patient will provide insight into the level of risk and the potential benefits of prophylaxis. Common risks include a history of venous thromboembolism, age, major surgery, cancer, use of oral contraceptives or hormone therapy, and obesity. Based on the presence of risk factors, the patient should be categorized into one of four risk groups and appropriate thromboprophylaxis prescribed. Randomized clinical trials in gynecologic surgery and general surgery have established the significant value of thromboprophylaxis. For moderate- and high-risk patients undergoing surgery for benign gynecologic conditions, low-dose unfractionated heparin, low molecular weight (LMW) heparins, intermittent pneumatic leg compression, and graded compression stockings all have demonstrated benefit. If using low-dose unfractionated heparin in high-risk patients, the heparin should be administered 5,000 units every 8 hours. Because DVT often begins in the perioperative period, it is important to initiate low-dose unfractionated heparin or administer the first LMW heparin dose either 2 hours preoperatively or 6 hours after the surgical procedure. Low molecular weight heparin has the advantage of being administered once daily but is more expensive than low-dose unfractionated heparin. In addition, LMW heparin has not been shown to be more effective and has similar risk of bleeding complications when compared with low-dose unfractionated heparin. In the very high-risk patient, a combination of two prophylactic methods may be advisable and continuing LMW heparin for 28 days postoperatively appears to be of added benefit.
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PMID:Prevention of venous thromboembolic events after gynecologic surgery. 2218 23

Disease thromboembolic (ETEV) is one of the major complications that can occur after surgery, and is the leading cause of death in the postoperative period of Bariatric Surgery. Among other factors, should be aware that these patients are at additional risk of ETEV due to own obesity (IMC > 30). After Bariatric Surgery the risk of thromboembolic events varies according to the surveyed series. In general, it is estimated that danger EP (pulmonary embolism) is 0.8% and DVT (deep vein thrombosis) of 1.7%. ETEV global mortality estimates of 0.1 to 2%.
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PMID:[Prevention of thromboembolism in bariatric surgery]. 2365 89

Our purpose was to determine the incidence and risk factors associated with in-hospital venous thromboembolism (VTE) in patients with aneurysmal subarachnoid hemorrhage (aSAH). The Nationwide Inpatient Sample database was queried from 2002 to 2010 for hospital admissions for subarachnoid hemorrhage or intracerebral hemorrhage and either aneurysm clipping or coiling. Exclusion criteria were age <18, arteriovenous malformation/fistula diagnosis or repair, or radiosurgery. Primary outcome was VTE (deep vein thrombosis [DVT] or pulmonary embolus [PE]). Multivariate logistic regression was used to assess association between risk factors and VTE. Secondary outcomes were in-hospital mortality, discharge disposition, length of stay and hospital charges. A total of 15,968 hospital admissions were included. Overall rates of VTE (DVT or PE), DVT, and PE were 4.4%, 3.5%, and 1.2%, respectively. On multivariate analysis, the following factors were associated with increased VTE risk: increasing age, black race, male sex, teaching hospital, congestive heart failure, coagulopathy, neurologic disorders, paralysis, fluid and electrolyte disorders, obesity, and weight loss. Patients that underwent clipping versus coiling had similar VTE rates. VTE was associated with pulmonary/cardiac complication (odds ratio [OR] 2.8), infectious complication (OR 2.8), ventriculostomy (OR 1.8), and vasospasm (OR 1.3). Patients with VTE experienced increased non-routine discharge (OR 3.3), and had nearly double the mean length of stay (p<0.001) and total inflation-adjusted hospital charges (p<0.001). To our knowledge, this is the largest study evaluating the incidence and risk factors associated with the development of VTE after aSAH. The presence of one or more of these factors may necessitate more aggressive VTE prophylaxis.
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PMID:Incidence and risk factors associated with in-hospital venous thromboembolism after aneurysmal subarachnoid hemorrhage. 2412 73

Surgical site infections (SSI) following total hip arthroplasty (THA) have a significantly adverse impact on patient outcomes and pose a great challenge to the treating surgeon. Therefore, timely recognition of those patients at risk for this complication is very important, as it allows for adopting measures to reduce this risk. This review discusses literature reported risk factors for SSI after THA. These can be classified into patient-related factors (age, gender, obesity, comorbidities, history of infection, primary diagnosis, and socioeconomic profile), surgery-related factors (allogeneic blood transfusion, DVT prophylaxis and coagulopathy, duration of surgery, antibiotic prophylaxis, bearing surface and fixation, bilateral procedures, NNIS index score, and anesthesia type), and hospital-related factors (duration of hospitalization, institution and surgeon volume, and admission from a healthcare facility). All these factors are discussed with respect to potential measures that can be taken to reduce their effect and consequently the overall risk for infection.
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PMID:Patient, Surgery, and Hospital Related Risk Factors for Surgical Site Infections following Total Hip Arthroplasty. 2607 98

Pulmonary embolus (PE) and deep vein thrombosis are diagnoses that are commonly made in the emergency department. Well known risk factors for thromboembolic events include immobility, malignancy, pregnancy, surgery, and acquired or inherited thrombophilias, obesity, cigarette smoking, and hypertension. We present a case of a 59-year-old female who watched TV and developed leg swelling and was found to have PE and DVT.
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PMID:A Case Report on VT from TV: DVT and PE from Prolonged Television Watching. 2910 89

Fibrin formed as a result of fibrinogen polymerization is the main protein component of a clot in a test tube and intravascular thrombi in vivo. Fibrin clot structure characterized by fiber diameter and pore size differs between healthy persons and those with thromboembolic diseases, in part due to the quality and quantity of fibrinogen and the magnitude of thrombin generation. A key measure of plasma clot structure is its permeability, reflected by the Darcy constant (Ks). Reduced Ks is a typical feature of the prothrombotic fibrin clot phenotype, which is associated with faster formation of denser fibrin mesh, relatively resistant to lysis. Low Ks has been reported in patients with prior or acute myocardial infarction (MI), stroke, or venous thromboembolism (encompassing deep vein thrombosis [DVT] and pulmonary embolism [PE]), as well as in those with prothrombotic conditions (eg, in several thrombophilic states) and in the presence of cardiovascular risk factors (eg, obesity). Antithrombotic and anticoagulant agents, along with statins, have been shown to increase Ks. Growing evidence indicates associations between the properties of plasma fibrin clots and morphology of intravascular thrombi in patients with MI. Recently, reduced Ks has been shown to predict recurrent thromboembolic episodes in patients with a history of stroke, PE, DVT, and their serious complications, including postthrombotic syndrome and thromboembolic pulmonary hypertension. We discuss the current evidence for the significance of clot density measured in vitro as a prognostic marker in a number of clinical conditions associated with elevated thromboembolic risk.
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PMID:Plasma fibrin clot structure and thromboembolism: clinical implications. 2951 Nov 54

Venous thromboembolism (VTE) is a major complication following lower-leg cast immobilization and knee arthroscopic surgery. In this review, we aimed to give a comprehensive overview of the literature on the epidemiology, prevention and prediction of VTE in these patients. First, the cumulative incidence of VTE was estimated by performing a meta-analysis in untreated patients only. In lower leg-cast patients with various injuries, asymptomatic VTE occurred in 18.0% (95%CI 12.9 to 23.1) and symptomatic VTE in 2.0% (95%CI 1.3 to 2.7). In knee-arthroscopy patients, asymptomatic VTE was seen in 5.9% (95%CI 3.9 to 7.9) versus a symptomatic rate of 0.6% (95%CI 0.4 to 0.7) following heterogeneous types of arthroscopic knee procedures. Second, the efficacy of thromboprophylaxis was determined by performing a meta-analysis of all RCTs that have been performed till date. Following knee-arthroscopy, there was no clear benefit of thromboprophylaxis on the prevention of symptomatic VTE (RR 0.65, 95%CI 0.23 to 1.81), while in contrast, this seemed to prevent asymptomatic DVT. In lower-leg cast patients, thromboprophylaxis appeared to reduce symptomatic VTE (OR 0.31, 95%CI 0.13 to 0.73). However, the validity of these results may be questioned as many trials had several methodological weaknesses. Concerning the bleeding risk (and costs) of thromboprophylaxis, treatment seems only prompted in high risk patients. Such patients could be identified based on individual risk factors such as higher age, obesity or presence of Factor V Leiden. In conclusion, we propose to use risk assessment models to identify patients at risk and to decide on individualized thromboprophylactic therapy, rather than one standard treatment for all patients.
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PMID:Venous thrombosis following lower-leg cast immobilization and knee arthroscopy: From a population-based approach to individualized therapy. 3070 42

Objective: The development of these updated clinical practice guidelines (CPGs) was commissioned by the American Association of Clinical Endocrinologists (AACE), The Obesity Society, American Society of Metabolic and Bariatric Surgery, Obesity Medicine Association, and American Society of Anesthesiologists Boards of Directors in adherence with the AACE 2017 protocol for standardized production of CPGs, algorithms, and checklists. Methods: Each recommendation was evaluated and updated based on new evidence from 2013 to the present and subjective factors provided by experts. Results: New or updated topics in this CPG include: contextualization in an adiposity-based chronic disease complications-centric model, nuance-based and algorithm/checklist-assisted clinical decision-making about procedure selection, novel bariatric procedures, enhanced recovery after bariatric surgery protocols, and logistical concerns (including cost factors) in the current health-care arena. There are 85 numbered recommendations that have updated supporting evidence, of which 61 are revised and 12 are new. Noting that there can be multiple recommendation statements within a single numbered recommendation, there are 31 (13%) Grade A, 42 (17%) Grade B, 72 (29%) Grade C, and 101 (41%) Grade D recommendations. There are 858 citations, of which 81 (9.4%) are evidence level (EL) 1 (highest), 562 (65.5%) are EL 2, 72 (8.4%) are EL 3, and 143 (16.7%) are EL 4 (lowest). Conclusion: Bariatric procedures remain a safe and effective intervention for higher-risk patients with obesity. Clinical decision-making should be evidence based within the context of a chronic disease. A team approach to perioperative care is mandatory, with special attention to nutritional and metabolic issues. A1C = hemoglobin A1c; AACE = American Association of Clinical Endocrinologists; ABCD = adiposity-based chronic disease; ACE = American College of Endocrinology; ADA = American Diabetes Association; AHI = Apnea-Hypopnea Index; ASA = American Society of Anesthesiologists; ASMBS = American Society of Metabolic and Bariatric Surgery; BMI = body mass index; BPD = biliopancreatic diversion; BPD/DS = biliopancreatic diversion with duodenal switch; CI = confidence interval; CPAP = continuous positive airway pressure; CPG = clinical practice guideline; CRP = C-reactive protein; CT = computed tomography; CVD = cardiovascular disease; DBCD = dysglycemia-based chronic disease; DS = duodenal switch; DVT = deep venous thrombosis; DXA = dual-energy X-ray absorptiometry; EFA = essential fatty acid; EL = evidence level; EN = enteral nutrition; ERABS = enhanced recovery after bariatric surgery; FDA = U.S. Food and Drug Administration; G4G = Guidelines for Guidelines; GERD = gastroesophageal reflux disease; GI = gastrointestinal; HCP = health-care professional(s); HTN = hypertension; ICU = intensive care unit; IGB = intragastric balloon(s); IV = intravenous; LAGB = laparoscopic adjustable gastric band; LAGBP = laparoscopic adjustable gastric banded plication; LGP = laparoscopic greater curvature (gastric) plication; LRYGB = laparoscopic Roux-en-Y gastric bypass; LSG = laparoscopic sleeve gastrectomy; MetS = metabolic syndrome; NAFLD = nonalcoholic fatty liver disease; NASH = nonalcoholic steatohepatitis; NSAID = nonsteroidal anti-inflammatory drug; OA = osteoarthritis; OAGB = one-anastomosis gastric bypass; OMA = Obesity Medicine Association; OR = odds ratio; ORC = obesity-related complication(s); OSA = obstructive sleep apnea; PE = pulmonary embolism; PN = parenteral nutrition; PRM = pulmonary recruitment maneuver; RCT = randomized controlled trial; RD = registered dietician; RDA = recommended daily allowance; RYGB = Roux-en-Y gastric bypass; SG = sleeve gastrectomy; SIBO = small intestinal bacterial overgrowth; TOS = The Obesity Society; TSH = thyroid-stimulating hormone; T1D = type 1 diabetes; T2D = type 2 diabetes; VTE = venous thromboembolism; WE = Wernicke encephalopathy; WHO = World Health Organization.
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PMID:CLINICAL PRACTICE GUIDELINES FOR THE PERIOPERATIVE NUTRITION, METABOLIC, AND NONSURGICAL SUPPORT OF PATIENTS UNDERGOING BARIATRIC PROCEDURES - 2019 UPDATE: COSPONSORED BY AMERICAN ASSOCIATION OF CLINICAL ENDOCRINOLOGISTS/AMERICAN COLLEGE OF ENDOCRINOLOGY, THE OBESITY SOCIETY, AMERICAN SOCIETY FOR METABOLIC & BARIATRIC SURGERY, OBESITY MEDICINE ASSOCIATION, AND AMERICAN SOCIETY OF ANESTHESIOLOGISTS - EXECUTIVE SUMMARY. 3168 18

Background Several studies suggest that maternal obesity might be associated with intraoperative and postoperative complications of cesarean delivery. However, these results are not validated in the Pakistani population. Aim We aimed to assess the association between maternal obesity and intraoperative and postoperative complications of cesarean delivery. Methods We performed a retrospective observational study recording the prevalence of intraoperative and postoperative complications in women undergoing cesarean delivery. For all consecutive cesarean deliveries in Fehmida Sarfaraz hospital, Sialkot, Pakistan, we recorded the data of the maternal age, weight, body mass index (BMI), gestational age at delivery, intraoperative and postoperative complications, and the adverse pregnancy outcomes. We used the chi-square test, Spearman correlation, and linear regression to test the relationship between the study variables. Results We included 245 women in this study (non-obese group: n = 83; obese group: n = 162). BMI positively correlated with the incidence of deep venous thrombosis (DVT; r = 0.249), endometritis (r = 0.148), pyrexia (r=0.139), and wound infections (r = 0.155). Also, BMI could significantly predict DVT (Beta coefficient 2.886, P = 0.003), hospital stay (Beta coefficient 0.801, P = 0.001), pyrexia (Beta coefficient 0.819, P = 0.003), and wound infection (Beta coefficient 0.449, P = 0.049). Conclusion Our data suggest that BMI was significantly correlated with several cesarean section (CS) delivery complications. Obese women undergoing CS delivery are at higher risk of several CS delivery complications. Also, they had a longer hospital stay and higher birth weight for their neonates compared with non-obese women. Future multicentre studies are needed in our population to determine the magnitude of risk across different BMI subgroups.
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PMID:Association Between Maternal Obesity and Cesarean Delivery Complications. 3225 6


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