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X. Cole. Ohio Dominican University.

The transmitter in vasodilator fibers is thought to be acetylcholine discount levitra with dapoxetine 40/60 mg with mastercard, although in primates it may be epinephrine levitra with dapoxetine 40/60mg overnight delivery. These vasodilator fibers may cause a small anticipatory increase of blood flow to the skeletal muscle order cheapest levitra with dapoxetine and levitra with dapoxetine. However, once muscle exercise begins, local vasodilation probably plays a more important role (18). The parasympathetic system primarily controls heart function and rate although it does have a limited role in control of the peripheral circulation, through the release of acetylcholine. Parasympathetic vasodilator fibers are found in the cerebral and myocardial circulations and in the bladder, rectum, and external genitalia. These receptors are responsive to both locally produced catecholamines, originating from the local sympathetic innervation, endogenous circulating catecholamines from the adrenal, as well as to exogenous sympathomimetic drugs. Stimulation of the so-called α-adrenergic receptors results in vasoconstriction, while stimulation of β-adrenergic receptors causes vasodilation. The juxtaglomerular apparatus in the kidney secretes renin in response to decreased renal arterial pressure or a decrease in extracellular fluid volume. Another group of hormones that participate in regulation of the systemic circulation are the natriuretic peptides. Local Control by the Endothelium The vascular endothelium plays a key role in regulating vascular tone, by producing a variety of substances which mediate either relaxation (vasodilation) or contraction (vasoconstriction) of the underlying vascular smooth muscle (21). Several vasoconstrictor substances are also produced by the endothelium and again have been reviewed elsewhere. More recently, the role of the very potent mediator urotensin, which again can mediate both vasoconstriction and vasodilation, is receiving attention (22). Local Control by Metabolism Flow to many tissues of the body is regulated by changes in local metabolic demand. It appears that the “switch,” which couples increases in metabolism to local vasodilation resides in metabolism-related changes within the local chemical microenvironment. Many cells other than endothelial cells will release the potent vasodilator adenosine, in response to increased metabolism or decreased oxygen tension. Local Control by Red Blood Cells There is increasing interest in the regulation of local flow by red blood cells (23). Local Control by Autoregulation The ability for local flow to remain relatively constant over a range of arterial input pressures is particularly important for organs which cannot significantly alter their metabolic requirements in the face of hypotension. Potential mechanisms include an intrinsic myogenic response within the vascular smooth muscle, which allows the arterioles to constrict via an endothelial-independent mechanism in response to changes in transmural pressure. This possibly occurs through the interactions of cell surface integrins with extracellular matrix proteins and alterations in calcium currents (25). Alterations in the production of local metabolic factors, changes in sympathetic tone, and in the kidney, “tubular glomerular feedback” (below) are also likely to contribute. Flow to Specific Vascular Beds The dynamic interplay between the different mechanisms described above, mediate the variability in flow within and between the different regional vascular beds. As a general principle, the metabolically highly active organs such as the brain and heart are primarily regulated by local mechanisms, whereas the less active organs are more subject to central neural and hormonal controls. Specialized beds such as the renal and hepatic circulations, which receive blood for unique activities such as metabolic degradation and excretion, hematopoiesis, and blood pressure control, have unique combinations of control mechanisms. The myocardium is not discussed here, but is considered elsewhere in this textbook. The Cerebral Circulation The cerebral circulation has been the most extensively studied and characterized. First, there is a blood–brain barrier created by a continuous lining of endothelial cells linked by tight junctions, which provides some resistance to changes in concentrations of various circulating constituents such as H+ and catecholamines. Second, a significant component of the cerebral vascular resistance is formed by the large arteries, which appear to respond in a similar fashion to the arterioles in response to stresses such as hypoxia. Third, the cerebral circulation is encased in a closed box, the skull, so that tissue pressure is an important determinant of flow. Finally, there is great heterogeneity in blood flow to different parts of the brain and this heterogeneity may change during development. Due to the high metabolic rate of cerebral tissue and the limited capacity for storage of substrate, cerebral flow must be precisely regulated if nutrient and oxygen supply is to be maintained. It does appear that the fetal cerebrovascular bed is likely to be significantly more2 sensitive to oxygen (27). The central role for autoregulation in the regulation of cerebral flow has been underscored since 1959 when Lassen published a review article (28), which presented a plot of average blood pressure and cerebral flow from multiple studies during a range of drug- or disease-related changes in arterial pressure. The plot revealed the now classic relationship wherein flow appeared to be completely stable across a relatively wide range of pressures. While this concept is still considered to be valid and while it has been relatively consistently demonstrated in isolated tissues, there are few data which characterize the normal within-subject relationship between arterial pressure and flow, principally because there are several challenges in developing the relationship (29). First the normal baroreflex function limits the range of pressures that can be studied. Second, pharmacologic agents, which change arterial pressure may in themselves alter the resistance vessels of the brain. Third, alterations in sympathetic tone, which may occur during hypotension may also influence cerebral flow, as it is known that the cerebrovascular bed is extensively innervated by adrenergic and cholinergic fibers. Patient studies have demonstrated that cerebral flow is generally increased by cervical ganglionectomy, suggesting an important modulation of cerebral flow from the autonomic nervous system (26). Renal Circulation The renal circulation has a number of unique features, including its extremely high flow because of the requirements of glomerular ultrafiltration, as well as the presence of two distinct capillary beds to allow filtration and reabsorption. Most of this flow courses via the afferent arterioles in the renal cortex to the glomerular capillary bed under relatively high pressure to allow a large production of ultrafiltrate. Distally, an efferent arteriolar system decreases hydrostatic pressure to low levels, which in addition to osmotic forces promotes the reuptake of the filtrate. The outer cortex receives a relatively small proportion of flow and is composed of small glomeruli with low single-nephron glomerular filtration. The inner or juxtaglomerular cortex receives far more flow per weight and is composed of very large glomeruli with high filtration rates. The renal medulla is composed of the outer medulla (the descending and thick ascending limbs of the loops of Henle and collecting duct segments) and the inner medulla (thin segments of the loops of Henle and the terminal portions of the collecting system). The inner medulla is perfused by the vasa recta and receives the least flow per weight and at very slow transit times, which is critical to the reuptake of ultrafiltrate. Under normal conditions, a key mechanism for the regulation of flow to the renal cortex appears to be autoregulation (24). It appears that at least two mechanisms underpin this local regulation of renal flow. The first of these is the aforementioned intrinsic myogenic response within the vascular smooth muscle. The second unique mechanism contributing to autoregulation of renal flow is the phenomenon of tubular glomerular feedback, whereby alterations in the concentration of sodium in the tubular fluid reaching the macula densa of the distal nephron acts to alter the diameter of the juxtaposed afferent arteriole (23). There is increasing interest in the role of the renin–angiotensin system in the regulation of renal function and hemodynamics (31). Further, given that all components of the renin–angiotensin system are expressed within the kidney itself, the importance of local mechanisms is being increasingly studied. Every cell type in the kidney can synthesize endothelin and contain abundant endothelin receptors, particularly the vasculature and the medulla.

For physicians in practice 40/60mg levitra with dapoxetine mastercard, the reality is that their of the slides and will not be completely eliminated initial diagnosis of a vaginal yeast infection is correct by the use of a plastic spatula purchase levitra with dapoxetine on line. Many patient will be empowered in the future to believe she women with a Candida vaginitis will not have an has a vaginal yeast infection if a similar set of symptoms infammatory wet-mount smear order levitra with dapoxetine 40/60 mg without a prescription, but the hyphae can recurs. In women with suspected chronic or recurrent be hard to detect, as they are attached to a group vaginitis, the culture is of particular importance. There can be an many women, the culture will be negative, indicating infammatory microscopic picture in women with a that an active Candida infection is not the cause of vaginal yeast infection that further obscures the pres- their symptomatology. The vaginal creams not a normal or an expected response, indicat- can be obtained by women in the United States with ing that the medicine is vigorously attacking the or without a prescription. Instead, physician is usually based upon considerations of they should be advised to immediately wash out as convenience and the acceptability of the selected much of the vaginal medication as possible and to therapeutic regimen for the patient. There have been a number of observable thera- common isolate in women with Candida vulvo- peutic trends with local vaginal antifungal medi- vaginitis. This increased antifungal activity, plus cations over the past few decades in the United the packaging of larger individual doses in creams, States. The azoles used locally cal evidence that any one vaginal azole is superior can be irritating to the vagina, particularly in the to another. These facts should be kept in mind higher-dose single vaginal application regimen. A when evaluating patients who remain symptom- more common local vaginal irritant is propylene atic after therapy. Larger doses of a different azole glycol, a chemical preservative used in most vaginal used for a longer period may not increase the treat- creams and suppositories. They are popular choices for fastidious of the medical care team responsible for her care women who either do not relish inserting creams, should be aware that this is an adverse reaction, suppositories, or tablets into the vagina or do not not a normal body response. If such patients need like the increased messiness of the vaginal cream or vaginal antifungal medications in the future, they suppository. Fluconazole has largely replaced the should be guided to use a vaginal antifungal cream original azole, ketoconazole, because a single dose free of propylene glycol or, another option, one of usually suffces. Liver toxicity can be seen with stressed, for the majority of the symptomatic women a prolonged daily dosing regimen, particularly in referred to the vaginitis clinic at Weill Cornell in New patients with underlying liver disease. York with a chronic yeast vulvovaginitis have no yeast For the woman who remains symptomatic after present on vaginal culture. Similar clinical results treatment or the woman with repeated vulvovaginal have been reported by Paul Nyirjesy in his evaluation symptomatology, the treatment decisions are much of 300 patients referred to him with a diagnosis of more complicated. Only 74 were culture The frst step in the care of these patients with positive for yeast. For the patient with negative cultures, women who have received the single-dose therapy the potential sources of problems and therapeutic prescribed for acute C. Fetal abnormalities There are several diagnostic steps to take in the have been documented in pregnant women receiv- patient with recurrent or chronic vulvovaginitis who ing long-term fuconazole treatment. The physician Vulvovaginal Infections 42 should document the relationship to increased Lactobacilli was not effective in preventing Candida symptomatology with sexual activities and deter- vulvovaginitis after antibiotic treatment. Although circum- not surprising, for vaginal Lactobacilli are often cision is done in nearly all newborn males in the present in women with a Candida vaginitis. Some United States, there are many immigrant males from patients cling to a restrictive dietary regimen that around the world who have never been circumcised. This can be a placebo For example, circumcision is not routinely per- effect, but in our opinion, it is more likely the result formed in the United Kingdom. Candida vulvovaginitis, it is wise to have someone There is another important preliminary diagnos- examine and culture the often asymptomatic male. Some women are allergic of symptoms and the use of preventive antifungal to the latex in condoms or to the nonoxynol-9 that therapy, either oral or local, in women with repeated coats most commercial condoms, and this also can documented Candida infections. These are clinical In those patients with culture-documented situations where modifcations in sexual practices chronic or recurrent C. There is also evidence that oral sexual of therapy to protracted maintenance treatment contact can be responsible for some cases of recur- schemes. It works for many patients, and be explored in the history taking followed by an oral there is evidence that these women have increased cavity examination and culture of the sexual partner, levels of C. There is There should be caution and careful consideration a wide range of treatment regimens available that given to the therapeutic regimen for women with a should be employed for at least 6 months. Although patient prefers a local vaginal treatment, the weekly treatment failures are not usually due to C. Physicians Ketoconazole 100 mg given daily for 6 months was should not disregard the long half-life of fucon- effective,35 as was itraconazole 50–100 mg daily. After treatment stopped, to not adding any therapeutic advantage, this dos- this beneft was not maintained, for 6 months later, age regimen increases the possibility of an adverse only 42. The Spartan-like of either vaginal or oral azoles, another study found restrictive low-carbohydrate diet combined with that using 600 mg of boric acid during the frst the concomitant use of oral nystatin popularized 5 days of the menstrual cycle was quite effective. It presents microscopi- on long-term azole prophylaxis also have a higher- cally as a feld loaded with spores. The response to both oral and vaginal azoles, while vagi- care of these women requires culture and the iden- nal boric acid 600 mg for 14 days has been highly tifcation of non-albicans species so that appropriate effective. It is vitally important to Some physician intervention may not be appro- identify and treat these patients, for symptomatic priate for every patient. Another popular thera- diagnosis, it is important that the laboratory can peutic intervention in women with symptoms of go beyond the characterization of these isolates as chronic vulvovaginitis is the physician-applied local non-albicans and identify the species recovered. There physicians should be most concerned about the iden- are potential problems with this approach: it is often tifcation of C. In these patients, topical boric acid diagnosis and treat the patient at the frst clinical resulted in a cure in the majority of cases. There is no dishonor in holding off therapy acid fails, prolonged treatment (6 weeks) with topi- when in doubt, until all culture results are available. A much utilizing treatment interventions that will not help more common non-albicans isolate is C. The products because of its potential toxicity, especially effect of vaginal candidiasis on the shedding for children. Three grams taken orally may be fatal of human immunodefciency virus in cer- to a child. Am J Obstet Gynecol the vagina, but instances of neurotoxicity (nau- 2005;192:774–779. N Engl J sea, headaches, disorientation) have been noted in Med 2007;369:1961–1971. Vaginal colonization by Candida in with compounding capabilities, for there are no asymptomatic women with and without a tested commercial products available. Cornell clinic, a vaginal cream with 6% amphotericin Obstet Gynecol 2000;95:413–416. The mannan in sera of patients with recurrent cross-talk between opportunistic fungi and vulvovaginal candidiasis.

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The Magnet Model foster collaborative quality improvement and research proj- Components and Sources of Evidence: Magnet Recognition ects purchase levitra with dapoxetine 40/60 mg with visa. Building a culture of excellence in Boston and • Oxygen saturation drops consistently below beyond purchase levitra with dapoxetine without a prescription. American • Breathing harder purchase levitra with dapoxetine 40/60mg on-line, faster than baseline Association of Critical Care Nurses Demonstration Project: • Fussy beyond baseline or inconsolability Profle of excellence in critical care nursing. Changing the work environment in • Fewer than six wet diapers in a 24-hour period intensive care units to achieve patient-focused care: the time has come. Guideline dards for establishing and sustaining healthy work environ- implementation results in a decrease of pressure ulcer ments: a journey to excellence. Clinical practice Teaching Institute and Critical Care Exposition (Research guidelines: the Boston experience. Clinical practice guidelines for quality of the value of nursing care in their child’s hospital stay: a pilot patient outcomes. Critical Care Nursing of contribution of nurses to achieve an environment of safety. Reference Tool: Pain Assessment and nurse staffng, skill mix, and Magnet® recognition to insti- Management Tools. Pediatric skin care: guidelines for assessment, pre- cal home project in a resident teaching clinic. Nursing Management, tors for surgical site infections after pediatric cardiac surgery. Quality improvement program site infections following open-heart surgery in a Canadian to reduce the prevalence of pressure ulcers in an intensive care pediatric population. Which pressure ulcer risk assessment scales tions in children undergoing cardiac surgery. Risk factors for warning scoring tool for the identifcation of pediatric cardiac interstage death after stage 1 reconstruction of hypoplastic patients at risk for cardiopulmonary arrest. Although available for adults, this modality invaluable in achieving superior surgical outcomes for com- is not yet applicable for pediatric patients. Understanding signifcant dif- porarily until the native cardiac function recovers from ferences between the two is, however, essential in supporting the acute pathology, for example with acute myocardi- patients safely and effectively. The native organ dysfunction is permanent and the patient is supported until heart compliance to the venous side, but all volume adjustments transplant. It is unclear if the native car- side, and caution should be taken in the management of all diac dysfunction is reversible, or if the patient may ports and stopcocks in the circuit irrespective of their location. Numbers have reached a plateau due to donor limitations, leading to increased need for mechanical circulatory support. Management of systemic to pulmonary artery transplantation, with survival to successful transplantation in shunts has to be individualized based on the indication for about 50% of patients. Continuous monitoring of the premembrane complicated by anticoagulation and extracorporeal life sup- (oxygenator) pressure, transmembrane pressure, pump fow, port and lead to signifcant complications. With the chamber by a multilayer fexible polyurethane membrane, same standard pump, the circuit can be customized to patients which moves with alternating air pressure, thus flling and of various sizes by varying the tubing and cannula sizes. Trileafet polyurethane valves are located at the inlet and outlet positions of the blood pump long-term mcs connector stubs, to ensure unidirectional blood fow. The device has been 2 used routinely in Europe since the 1990s,48and in the United (>1. With the sternum but is not favored due to its limitations and concerns of open, it is helpful to create the tunnel for the cannulas prior to device-related thromboembolism46,47 and chest wall erosion heparin administration, care being taken to avoid peritoneal 47 violation. Pediatric Extracorporeal Life Support: Extracorporeal Membrane Oxygenation and Mechanical Circulatory Support 107 are planned. Attention to decompression of the left heart by venting is essential to avoid distention of the left heart, which may secondarily affect right heart function. Complete mobi- lization of the heart is necessary to allow elevation of the left heart apex for infow cannula implantation. Multiple horizontal mattress sutures of Tevdek reinforced with pledgets, passed transmurally through the apical defect, secure the infow cannula (Fig. Additional reinforcement with a strip of pericardium may be necessary to achieve secure hemostasis. The cannula- thy patients the ideal site is anterior and lateral to the apical dimple. The infow cannula is placed with the bevel facing the interventricular septum (black arrowhead). In a larger child, this can Covering the apex with a donut of autologous pericardium or Gore- be accomplished with partial clamping of the aorta, although Tex pericardial substitute prevents apical adhesions and aids in it may be technically simpler with full aortic cross-clamping future explantation of the device/ transplantation. Competence of the semilunar of the pulmonary artery cannula, which like the aortic can- valves is another important requirement for obvious reasons nula is passed through the body wall prior to implantation. In patients with pulmonary valve incompetence, careful de-airing of the system aided by gentle ventilation. De-airing may of the entire system, after which the clamp is released and be aided by gentle flling of the heart by reducing cardiopul- the patient is transitioned from cardiopulmonary bypass to monary bypass fows. Selection of the appropriate site for can- nulation on the ascending aorta should be made prior to institution of cardiopulmonary bypass. Placement of the cannula on the right anterolateral aspect of the mid to distal ascending aorta avoids compression of the right ventricle or the right coronary artery along the cannula course. Partial clamping of the ascending aorta allows perfusion of the heart during this step and avoids ischemic insult to the right ventricle during isolated left ventricular assist device implantation; however, complete cross-clamping may be needed in neonates with smaller ascending aorta, or if additional intracardiac procedures are needed. The outfow cannula of the right ventricular assist device is implanted on the distal main pulmonary artery (X) using techniques similar to aortic cannulation for the left assist device outfow. With an overall survival of 70%, 0 12 24 36 48 60 72 best outcomes were noted in patients with cardiomyopathy Time (month) (85%), followed by patients with congenital heart disease (65%) and myocarditis (67%). Monitoring for neurologic injuries can be events or morbidity as defned by the Interagency challenging as they may occur without warning. Major should trigger an aggressive evaluation for potential neuro- bleeding, infectious complications, hepatic and renal failure, logic injury. Children aged 0 to 16 years with severe heart failure (Interagency Registry for ineligible for the primary cohort still had access to the device Mechanically Assisted Circulatory Support profle 1 or in a third compassionate-use cohort where adverse event 2) with biventricular anatomy and actively listed for heart data were collected for additional safety characterization of the device (Table 6. The Berlin survival to transplant, recovery, or uncomplicated device Heart Excor had a lower serious adverse event rate (<0. The assist devices in children across the United States: analysis devices currently in their preclinical phase are of 7. Use of rapid- • Single-ventricle patients continue to pose a signif- deployment extracorporeal membrane oxygenation for the cant challenge. Development of an impeller pump on 84 resuscitation of pediatric patients with heart disease after car- the Von Karman principle offers hope for mechan- diac arrest. Extracorporeal children of all ages with a minimum of associated membrane oxygenation for bridge to heart transplanta- complications. Outcomes of and mortality of heart failure-related hospitalizations in chil- pediatric patients bridged to heart transplantation from dren in the United States: a population-based study. Preoperative extracorporeal membrane oxygenation as after extracorporeal membrane oxygenation use to aid pedi- a bridge to cardiac surgery in children with congenital heart atric cardiopulmonary resuscitation.

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Abnormalities in liver function and coagulation profile following the Fontan procedure cheap levitra with dapoxetine 40/60 mg on-line. Hemostatic parameters and platelet activation marker expression in cyanotic and acyanotic pediatric patients undergoing cardiac surgery in the presence of tranexamic acid discount 40/60 mg levitra with dapoxetine with visa. In vivo tracking of platelets: circulating degranulated platelets rapidly lose surface P-selectin but continue to circulate and function generic levitra with dapoxetine 40/60 mg otc. Early systemic-to-pulmonary artery shunt intervention in neonates with congenital heart disease. Benefit of heparin in peripheral venous and arterial catheters: systematic review and meta- analysis of randomised controlled trials. Association between thrombosis and bloodstream infection in neonates with peripherally inserted catheters. Risk, clinical features, and outcomes of thrombosis associated with pediatric cardiac surgery. Thrombotic complications in a pediatric cardiovascular surgery population: a nine-year experience. Three-dimensional echocardiographic evaluation of the Fontan conduit for thrombus. Antithrombotic therapy in neonates and children: Antithrombotic Therapy and Prevention of Thrombosis, 9th ed: American College of Chest Physicians Evidence-Based Clinical Practice Guidelines. Diagnosis and management of deep venous thrombosis and pulmonary embolism in neonates and children. A continuous heparin infusion does not prevent catheter-related thrombosis in infants after cardiac surgery. Clinical outcomes of palliative surgery including a systemic-to-pulmonary artery shunt in infants with cyanotic congenital heart disease: does aspirin make a difference? Aspirin unresponsiveness predicts thrombosis in high-risk pediatric patients after cardiac surgery. Transcatheter treatment for systemic-to-pulmonary artery shunt obstruction in infants and children. Endovascular stents for relief of cyanosis in single-ventricle patients with shunt or conduit- dependent pulmonary blood flow. Obstruction in modified Blalock shunts: a quantitative analysis with clinical correlation. Risk factors for cerebrovascular events following fontan palliation in patients with a functional single ventricle. Heparin-induced thrombocytopenia with associated thrombosis in children after the Fontan operation: report of two cases. Thromboembolic complications after Fontan procedures: comparison of different therapeutic approaches. Factors associated with thrombotic complications after the Fontan procedure: a secondary analysis of a multicenter, randomized trial of primary thromboprophylaxis for 2 years after the Fontan procedure. Long-term survival after mitral valve replacement in children aged <5 years: a multi-institutional study. Aortic valve replacement in children under 16 years of age with congenital or rheumatic valvular disease. Mechanical valve in aortic position is a valid option in children and adolescents. The long-term risk of warfarin sodium therapy and the incidence of thromboembolism in children after prosthetic cardiac valve replacement. Melody transcatheter valve: histopathology and clinical implications of nine explanted devices. Comparison of the outcome of porcine bioprosthetic versus mechanical prosthetic replacement of the tricuspid valve in the Ebstein anomaly. Thrombotic obstruction of a melody valve-in-valve used for prosthetic tricuspid stenosis. Valvular and structural heart disease: American College of Chest Physicians Evidence-Based Clinical Practice Guidelines (8th Edition). The clinical challenge of bridging anticoagulation with low-molecular-weight heparin in patients with mechanical prosthetic heart valves: an evidence-based comparative review focusing on anticoagulation options in pregnant and nonpregnant patients. Maternal complications and pregnancy outcome in women with mechanical prosthetic heart valves treated with enoxaparin. A prospective trial showing the safety of adjusted-dose enoxaparin for thromboprophylaxis of pregnant women with mechanical prosthetic heart valves. Thrombolysis of prosthetic tricuspid valve thrombosis with human recombinant tissue plasminogen activator in an adolescent. Doppler echocardiographic evaluation of streptokinase lysis of thrombosed right-sided St. Thrombolytic therapy for prosthetic valve thrombosis in children: two case reports and review of the literature. Assessing the outcome of systemic tissue plasminogen activator for the management of venous and arterial thrombosis in pediatrics. Intra-atrial tissue plasminogen activator infusion for prosthetic valve thrombosis. Antithrombotic management of patients with prosthetic heart valves: current evidence and future trends. Bleeding and thrombotic emergencies in pediatric cardiac intensive care: unchecked balances. Intracardiac thrombosis diagnosed by echocardiography in childhood: predisposing and etiological factors. Surgical thrombectomy of two left ventricular thrombi in a child with acute myocarditis. Perioperative management of antithrombotic therapy: Antithrombotic Therapy and Prevention of Thrombosis, 9th ed: American College of Chest Physicians Evidence-Based Clinical Practice Guidelines. Endorsed by the Society of Cardiovascular Anesthesiologists, Society for Cardiovascular Angiography and Interventions, and Society of Thoracic Surgeons. Antithrombotic and thrombolytic therapy for valvular disease: Antithrombotic Therapy and Prevention of Thrombosis, 9th ed: American College of Chest Physicians Evidence-Based Clinical Practice Guidelines. Prosthetic mitral valve thrombosis: can fluoroscopy predict the efficacy of thrombolytic treatment? The role of tissue plasminogen activator in the successful treatment of infected cardiac thrombus in children. Early intracardiac thrombosis in preterm infants and thrombolysis with recombinant tissue type plasminogen activator. Management of preterm infants with intracardiac thrombi: use of thrombolytic agents. Successful thrombolytic therapy for acute massive pulmonary thrombosis after total cavo- pulmonary shunt. Successful treatment of infective endocarditis with recombinant tissue plasminogen activator.

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