Pulmonary valve stenosis (PVS) is a heart valve disorder in which outflow of blood from the right ventricle of the heart is obstructed at the level of the pulmonic valve. This type of pulmonic stenosis results in the reduction of flow of blood to the lungs. Valvular pulmonic stenosis accounts for 80% of right ventricular outflow tract obstruction. While the most common cause of pulmonary valve stenosis is congenital heart disease, it may also be due to a malignant carcinoid tumor. Both stenosis of the pulmonary artery and pulmonary valve stenosis are forms of pulmonic stenosis (nonvalvular and valvular, respectively). PVS was the key finding that led Jacqueline Noonan to identify the syndrome now called Noonan syndrome. Play media Among some of the symptoms consistent with pulmonary valve stenosis are the following: Heart murmur Cyanosis Dyspnea Dizziness Upper thorax pain Developmental disorders In regards to the cause of pulmonary valve stenosis a very high percentage are congenital, the right ...
Treatment of Pulmonary valve stenosis is a narrowing of the pulmonary valve, the flap that separates the lower right chamber (right ventricle) of your heart from the pulmonary artery. During circulation, oxygen-poor blood returning from your body is pumped from your heart, through the pulmonary valve and into the pulmonary artery, which carries the blood to your lungs to pick up oxygen and drop off carbon dioxide. If the pulmonary valve is constricted (stenosed), your heart has to pump harder to push blood through the valve and into the pulmonary artery, The disorder is usually present since birth (congenital). Its one of the more common heart birth defects, with the majority of the cases being mild. Pulmonary valve stenosis occurs in about one of 10 children, and females are slightly more likely to be affected than males. Adults occasionally have pulmonary valve stenosis as a complication of another illness, Pulmonary valve stenosis ranges from mild and without symptoms to severe and debilitating.
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TY - JOUR. T1 - Balloon pulmonary valvuloplasty in neonates with critical pulmonary stenosis. T2 - Jugular or femoral. AU - Hoetama, Erick. AU - Prakoso, Radityo. AU - Roebiono, Poppy. AU - Sakidjan, Indriwanto. AU - Kurniawati, Yovi. AU - Siagian, Sisca. AU - Lelya, Olfi. AU - Rahajoe, Anna. AU - Harimurti, Ganesja. AU - Lilyasari, Oktavia. PY - 2020/1/1. Y1 - 2020/1/1. N2 - Background: Critical pulmonary stenosis (PS) is one of the life-threatening congenital heart diseases which present during the neonatal period with cyanosis. Surgical valvotomy was once the procedure of choice for critical PS; however, balloon pulmonary valvuloplasty (BPV) has now become the standard treatment. Although the procedure is usually simple, crossing the pulmonary valve from the femoral vein can be difficult, especially when severe tricuspid regurgitation and right atrium dilatation are present. In such patients, the maneuver can be simplified by using the right internal jugular vein approach. However, many ...
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article{aaaf1de4-de34-469a-ad34-52c691970e90, abstract = {BACKGROUND: Treating pulmonary valve stenosis with balloon valvuloplasty (BV) is a good model to study the effect of right ventricular (RV) pressures on coronary flow. METHODS: Transthoracic Doppler echocardiography was used to register coronary flow in 10 age-matched healthy controls and 7 neonates before and 1 day after BV. RESULTS: Left ventricular fractional shortening and cardiac output increased significantly after BV. Right coronary artery diameter decreased from 1.2 +/- 0.2 to 1.1 +/- 0.1 mm (P < .02). Posterior descending coronary artery flow parameters decreased significantly, with blood flow decreasing from 8.4 to 5.7 +/- 1.9 mL/s (P < .003). RV end-diastolic pressure and RV systolic pressure explained almost totally the variation in coronary flow (r(2) = 0.87). CONCLUSIONS: RV end-diastolic pressure and RV systolic pressure determined coronary flow in neonates with critical pulmonary valve stenosis. Cardiac output and ...
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Diagnosis Code Q22.1 information, including descriptions, synonyms, code edits, diagnostic related groups, ICD-9 conversion and references to the diseases index.
Click here to see original video.Balloon pulmonary valvotomy Pulmonary valve is situated between the right ventricle and pulmonary artery. Pulmonary valvar stenosis is a birth defect where there is restriction to the complete opening of the pulmonary valve as a result of this the right ventricle has to pump harder for sufficient blood to reach the lungs for oxygenation. Generally well tolerated in most up to adulthood but rarely can present at birth with critical pulmonary stenosis requiring urgent treatment. The treatment involves opening the pulmonary valve. The treatment of choice is balloon pulmonary valvotomy where through the vein a ballon is advanced into the heart a placed across the pulmonary valve and inflated. This results in a tear along the commissure of the valve resulting in adequate opening of the valve. Balloon mitral valvotomy Mitral stenosis is almost always a result of Rheumatic fever in childhood is common in our country. The mitral valve separates the left atrium from the left
Pulmonary stenosis. Johns Hopkins University, Cove Point Foundation website. Available at: http://www.pted.org/?id=pulmonarystenosis3. Updated January 24, 2017. Accessed December 27, 2017.. Pulmonary stenosis. Lucile Packard Childrens Hospital at Stanford website. Available at: http://www.lpch.org/DiseaseHealthInfo/HealthLibrary/cardiac/ps.html. Accessed December 27 2017.. Pulmonary valve stenosis. American Heart Association website. Available at: http://www.heart.org/HEARTORG/Conditions/CongenitalHeartDefects/AboutCongenitalHeartDefects/Pulmonary-Valve-Stenosis%5FUCM%5F307034%5FArticle.jsp. Updated October 13, 2017. Accessed December 27, 2017.. ...
my 5 yr son has been diagnosed with mild valvular pulmonary stenosis through Echocardiography report the pulmonary valve is of PS gradient=30 mm Hg and has normal ventricular function and dimension.
A 4-year old male miniature schnauzer with severe pulmonic stenosis was presented for percutaneous balloon valvuloplasty. The dog had been managed medically with atenolol for a month prior to the procedure. Clinical examination was unremarkable except for auscultation of a grade V/VI left-sided systolic murmur. The dog was premedicated with pethidine. Anaesthesia was induced using diazepam and etomidate and maintained using sevoflurane in oxygen. Angiography was uneventful, but when the guidewire was threaded through the right side of the heart to allow insertion of the balloon catheter, marked desaturation with visible cyanosis developed. This resolved on withdrawal of the guidewire and catheter but recurred each time the guidewire and catheter were repositioned. Balloon valvuloplasty was eventually successful in reducing the pressure gradient across the stenotic valve from 102 to 52 mmHg. Hypoxaemia did not recur during recovery and the dog was discharged the following day.. ...
Balloon pulmonary valvotomy is a minimally invasive surgical procedure often used to treat patients suffering from an ailment called pulmonary valve stenosis. CureIndia has the best Baloon Pulmonary Valvotomy Surgeons that are highly qualified in order to perform such a delicate surgery and to provide the best cardiac care.
In the 12 years from 1975 to 1987, 55 patients had open pulmonary valve surgery for isolated congenital stenosis of the pulmonary valve. Three types of pulmonary stenosis were seen: (a) dome-shaped pulmonary stenosis (34 patients); (b) dysplastic pulmonary valves with thick cauliflower-like cusps (12 patients), and (c) hour-glass deformity of the pulmonary valve, with "bottle-shaped" sinuses (nine patients). This third type has not been described before. Preoperative identification of the valve structure is important because the choice of treatment (balloon dilatation for some dome-shaped valves and excision for dysplastic and hour-glass valves) depends on the type of stenosis. ...
With recent widespread use of cardiac catheterization as a diagnostic tool, it has become increasingly apparent that isolated pulmonic stenosis, uncomplicated by defects of the septum, is a relatively common congenital anomaly. Of 750 patients with congenital heart disease in whom a definite diagnosis was established either clinically or by catheterization, Wood1 found that 13% had this anomaly. The older autopsy data are at variance with this experience. Abbott2 reported only nine examples of the condition in her series of 1,000 autopsied cases. Taussig,3 writing in 1947, described it as an extremely rare entity.. In 1949 Greene and co-workers4 could ...
C. Locatelli, I. Spalla, O. Domenech, E. Sala, P. G. Brambilla, C. Bussadori, Pulmonic stenosis in dogs: survival and risk factors in a retrospective cohort of patients, Journal of Small Animal Practice, 2013, 54, 9, ...
BACKGROUND: Pulmonary regurgitation (PR) is an important determinant of outcome after repair of tetralogy of Fallot. Baseline PR was measured by magnetic resonance (MR) phase velocity mapping and from real-time right ventricular pressure-volume loops with a conductance catheter. Subsequently, the impact of two loading maneuvers (increased airway pressure, simulated branch pulmonary artery stenosis) on PR was assessed by the conductance catheter method. METHODS AND RESULTS: Thirteen patients, 3 to 35 years after tetralogy of Fallot repair or pulmonary valvotomy, had PR measured by MR phase velocity mapping while breathing spontaneously ...
The pulmonary valve is one of the valves that allow blood from the body to return to the lung for oxygenation. The Department of Cardiology at National Heart Centre Singapore shares more.
Pulmonary Stenosis, signs and Symptoms of Pulmonary Valve Stenosis, Examinations for Pulmonary Valve Stenosis, Treatment for Pulmonary Valve Stenosis
Congenital pulmonary stenosis balloon valvuloplasty is a procedure that aims to fix pulmonary valve that doesn’t fully open. It does so without the need for open heart surgery.
With pulmonic stenosis, there is partial obstruction of normal blood flow, most commonly due to a malformation of the pulmonic valve (pulmonic valve dysplasia), but the abnormality may be immediately above or below the valve as well.. The effect of this partial obstruction is to force the heart to work harder to pump blood to the lungs. The extent to which a dog will be affected depends on the degree of narrowing (stenosis) of the valve area. With severe stenosis, the dogs will likely develop congestive heart failure due to the increased workload of the heart. The hemodynamic consequences of pulmonic stenosis are the development of right ventricular concentric hypertrophy (enlargement) and reduced filling of the left ventricle. The right ventricular concentric hypertrophy causes reduced right ventricular compliance with reduced distensibility. The hypertrophied right ventricular wall is prone to initiate dysrhythmias.. Pulmonic stenosis can occur with other defects and it is one of the ...
pulmonary stenosis - MedHelps pulmonary stenosis Center for Information, Symptoms, Resources, Treatments and Tools for pulmonary stenosis. Find pulmonary stenosis information, treatments for pulmonary stenosis and pulmonary stenosis symptoms.
Clinical and physiologic data before and after operation are presented in 2.5 patients who underwent surgical correction of congenital pulmonary stenosis with intact ventricular septum. Sixteen patients were operated on by the transventricular approach, 7 by the transarterial route, and 2 had infundibulectomies. Postoperative changes in the clinical status, phonocardiogram, electrocardiogram, x-rays, and right heart catheterization values are discussed. Comparison is made of the 2 major operative technics both in the present group and in cases gathered from a review of the literature.. ...
Pulmonary stenosis is a restriction of blood flowing through the valve from the heart to the lungs. Learn about treatment and ongoing care of this condition.
Heart Care For You aim of providing comprehensive cardiac care solutions to the patients for Angioplasty Surgery, Bypass surgery, Cardiac surgery, Valve Surgery, Balloon Pulmonary Valvotomy.
CMR demonstrates a large secundum atrial septal defect with evidence of right ventricular dilatation and markedly dilated main and left pulmonary artery without evidence of significant pulmonic stenosis. The finding of a large ASD explains the echocardiographic findings of increased flow across the pulmonic valve (due to left-to-right shunting through the defect) which was mistaken for pulmonic stenosis. The right-sided dilatation (right atrium, right ventricle and pulmonary artery) are most likely secondary to increased volume and flow over time in the setting of a large secundum atrial septal defect. Technical/Images:. ...
A 63-yr-old patient presented with a preoperative diagnosis of aortic stenosis and pulmonary stenosis for aortic valve (AV) replacement and possible pulmonary valve (PV) repair. His symptoms included chest heaviness and shortness of breath. A preoperative transthoracic echocardiogram demonstrated calcified tri-leaflet AV with severe stenosis and a peak pulmonic flow velocity of 3.7 m/s. Cardiac catheterization confirmed these findings with a right ventricular (RV) pressure of 71/−3 mm Hg, pulmonary artery (PA) pressure of 26/11 mm Hg and a peak pulmonic gradient of 45 mm Hg. Intraoperative transesophageal echocardiography (TEE) was performed and the PV was interrogated in several planes. The midesophageal (ME) RV inflow-outflow view was suboptimal due to shadowing from the calcified AV. Similarly, the ME AV short axis (SAX) view was obtained and the probe was gradually withdrawn to image the PA. This view was inadequate because of bronchial interference. Subsequently, the upper esophageal ...
The prevalence rate for cardiovascular malformations in dogs presented to a large university veterinary clinic was 6.8 per 1000. Patent ductus arteriosus, as in man, was found predominantly in females. Breed-specific prevalence rates were significantly greater in purebred dogs than in mongrels, and the breed distributions of patent ductus arteriosus, pulmonic stenosis, subaortic stenosis, persistent right aortic arch, and tetralogy of Fallot were significantly different than would be expected if all breeds were equally susceptible to each type of malformation. On the basis of these observations, two hypotheses were made: (1) Genetic factors are determinants of certain types of congenital heart disease in the dog. (2) These genetic factors have specific effects on cardiac morphogenesis, resulting in specific types of cardiovascular malformations. Preliminary genetic studies confirmed the specific hereditary transmission of valvular pulmonic stenosis in beagles, persistent right aortic arch in ...
February 2002: Weve made it more than a year on maintenance enalapril. Ive discontinued the Critical Care months ago. Except for the heart meds, he gets no other special reatment diet or management wise. He now weighs 1260 grams. His labwork shows his liver values are nearly normal. His ALT is 37 (normal range 27-29) and his AST is 55 (normal range 40-45). Hes one bright and happy little pig and now lives with two sedate Silkie boars. He loves to rumblestrut and chase them around. We try to taper off enalapril over the next few months, but he starts to get graying ear margins and slows down a bit. We keep him at 1/8 mg EOD for many years. I discontinue the milk thistle extract ...
Noonan syndrome (NS) is characterized by characteristic facies, short stature, congenital heart defect, and developmental delay of variable degree. Other findings can include broad or webbed neck, unusual chest shape with superior pectus carinatum and inferior pectus excavatum, cryptorchidism, varied coagulation defects, lymphatic dysplasias, and ocular abnormalities. Although birth length is usually normal, final adult height approaches the lower limit of normal. Congenital heart disease occurs in 50%-80% of individuals. Pulmonary valve stenosis, often with dysplasia, is the most common heart defect and is found in 20%-50% of individuals. Hypertrophic cardiomyopathy, found in 20%-30% of individuals, may be present at birth or develop in infancy or childhood. Other structural defects include atrial and ventricular septal defects, branch pulmonary artery stenosis, and tetralogy of Fallot. Up to one fourth of affected individuals have mild intellectual disability, and language impairments in ...
Young children (less than or equal to 2 years of age) with mild valvar pulmonary stenosis are unlikely to develop worsening stenosis with age and periodic cardiac evaluation is not warranted.. To describe the clinical course of children with mild valvar pulmonary stenosis diagnosed in early childhood. To examine the clinical practice patterns of cardiologists caring for these patients.. Retrospective chart review of all children diagnosed with mild valvar pulmonary stenosis born between 1984 and 2003 and followed by Sibley Heart Center Cardiology. Patient variables will include: pulmonary valve gradient, need for catheterization, exercise intolerance and endocarditis. Practice variables will include: frequency of follow-up, number of echocardiographic studies, exercise limitations. ...
Pulmonary stenosis is a birth defect of the heart (congenital). It can happen when the pulmonary valve doesnt develop as it should during the first 8 weeks of pregnancy. The pulmonary valve connects the right ventricle to the pulmonary artery. It normally has 3 flaps (leaflets) that work like a one-way door. This means they allow blood to flow from the right ventricle to the pulmonary artery, but not backward from the pulmonary artery to the right ventricle.. With pulmonary stenosis, it is harder for the flaps to open and the blood to flow as it should. The flaps may be stuck together. Or the flaps may be thick and not able to open all the way. In some cases, the valve may be narrowed. Sometimes the stenosis may not be related to a problem with the valve leaflets but with the area directly below and above the valve.. Pulmonary stenosis varies according to how much of the blood flow is blocked. A child with severe pulmonary stenosis is likely to be quite ill and have obvious symptoms. A child ...
Diagnosis Code Q22.2 information, including descriptions, synonyms, code edits, diagnostic related groups, ICD-9 conversion and references to the diseases index.
Ann Card Anaesth, Annals of Cardiac Anaesthesia is the official publication of The Indian Association of Cardiovascular Thoracic Anaesthesiologists .
By: Deborah A. Hass, PharmD, BCOP, BCPS Oncology Pharmacist, Mt. Auburn Hospital, Cambridge, Massachusetts. Pulmonary stenosis also occurs with greater frequency in certain genetic disorders: • In Noonan syndrome order top avana 80mg online muse erectile dysfunction medication reviews, pulmonary stenosis occurs in 39% of patients cheap top avana 80 mg without a prescription top erectile dysfunction doctors new york, and can be associated with stenosis of the peripheral pulmonary arteries as well as with hypertrophic cardiomyopathy buy generic top avana 80 mg on line erectile dysfunction age 50. Supravalvular pulmonary stenosis also occurs as a result of intrauterine (congenital) rubella infection order caverta without prescription. This includes the collar of muscle (the infundibulum) below the pulmonary valve buy generic cialis black pills, which causes subpulmonary (infundibular) stenosis. The hypertrophied right ventricle often exhibits a small chamber size, and the thick myocardium may be ...
Funtional characteristics of the single ventricle were studied by means of biplane angiocardiography in 34 patients. Group 1 consisted of 14 patients with normal or increased pulmonary vascular marking on chest film and no pulmonary stenosis. Group 2 included 20 patients with severe angiographic pulmonary stenosis and decreased pulmonary vascular marking. Ventricular volume parameters were calculated according to Simpsons rule and were compared with normal values. The sum of the normal left and right ventricular volumes was assumed to be 100%. In group 1, ventricular end-diastolic volumes averaged 143 +/- 11% and were significantly (p less than 0.001) larger than end-diastolic volumes in group 2 (81 +/- 4%). The presence or absence of severe pulmonary stenosis affecting pulmonary blood flow was a main factor regulating the ventricular chamber size in single ventricle. In both groups, the ejection fraction of a single ventricle was significantly lower than that of a normal left or right ...
At 5 days old, Joseph Phelps of Norwich, N.Y., had his first open-heart surgery. Phelps was diagnosed with pulmonic stenosis, which is the narrowing of the pulmonary valve in the heart.
Therefore, the term invasive cardiology is not synonymous with cardiac surgery, but refers to the "key-hole" procedures cardiologists are trained to perform. These invasive procedures consist of performing different types of intervention on the heart and large blood vessels with the use of special, long catheters or other devices, introduced from a peripheral vein or artery all the way to the heart. These veins or arteries are usually accessed by means of a small (2-3 cm) incision in the skin or just using a needle (like in a normal blood draw). These "catheter-based" procedures can aim at closing a communication that abnormally persists after birth (such as a Patent Ductus Arteriosus or PDA), opening up a valve that is too narrow to function properly (such as Pulmonary Valve Stenosis), remove parasites from the blood vessels of the lungs (Heartworm disease) or foreign bodies from the circulation (such as a broken piece of a venous catheter). Another very common invasive procedure performed by ...
Pulmonary stenosis is a birth defect of the heart (congenital). It can happen when the pulmonary valve doesnt develop as it should during the first 8 weeks of pregnancy. The pulmonary valve connects the right ventricle to the pulmonary artery.
Welcome to the ramblings of a ruffled heart. At 11 months old I was diagnosed with pulmonary valve stenosis and underwent my first open heart surgery to remove most of the valve. For years I lived a perfectly normal healthy life until three months after I married my love. What I thought would be a…
My little Thanie has his annual Cardiology appointment, for those who dont know he has Pulmonary Valve Stenosis. The first year of this little boys life was scary for us. He was happy and relatively healthy, but he has a syndrome and it took a while to get that diagnosis. He was born on Christmas eve and on Christmas day the pediatrician saw him and wanted to check for Downs Syndrome, what seemed like 2 weeks later we found out he did not have Downs. Then the hunt for what it was . . . I will tell his story someday, soon ...
My little Thanie has his annual Cardiology appointment, for those who dont know he has Pulmonary Valve Stenosis. The first year of this little boys life was scary for us. He was happy and relatively healthy, but he has a syndrome and it took a while to get that diagnosis. He was born on Christmas eve and on Christmas day the pediatrician saw him and wanted to check for Downs Syndrome, what seemed like 2 weeks later we found out he did not have Downs. Then the hunt for what it was . . . I will tell his story someday, soon ...
North Fulton after hours pediatricians There are many more types of non-cyanotic such as pulmonic stenosis, patent ductus arteriorus, and atrioventricular cana. These problems may occur alone or together. Most congenital heart diseases occur as an isolated defect and is not associated with other diseases.. If the congenital heart defect involves narrowed valves, a balloon can be attached to the catheter to stretch the size of the valve. The balloon reaches the site of the valve, is inflated to enlarge the hole, then deflated and removed. A variety of technologies are used to help doctors perform these procedures including echocardiography, transesophageal echo, and coronary angiography.. Fat is not the dietary villain it used to be cast as. While you dont want too much of the saturated kind found in butter, cheese and red meat, you do want to consume omega-3 fatty acids that are essential nutrients for health - for things like blood clotting and building cell membranes in the brain. Two crucial ...
A 3 1/2-year-old boy experienced right ventricular failure approximately two years after an operation for critical pulmonic stenosis. Severe pulmonary and tricuspid valvular insufficiency was documented echocardiographically and at cardiac catheterization. Treatment consisted of a tricuspid valve annuloplasty and creation of an autologous monocusp valve using the anterior wall of ...
Pulmonary stenosis means the pulmonary valve is too small, narrow, or stiff. Many people have no symptoms, but kids with more severe cases will need surgery so that blood flows properly through the body.
Detailed procedures have been performed: Fetus 28 weeks with heart, which was referred to the review have been diagnosed with severe pulmonary stenosis, pulmonary valve 36 mHg, and annulus size was 3.5 mm. There was moderate tricuspid registration, right ventricular growth retardation, enlarged right artium and pericardial effusion ...
As the latest super pressure balloon (SPB) prepares to lift off from New Zealand, carrying the Extreme Universe Space Observatory-SPB (EUSO-SPB) payload, one may reflect back on how this balloon, the 6th iteration in the current model of long duration balloons, came to be and what goes into its construction - acres and acres of plastic film, miles of load-bearing strength members, platforms for electronics, and suspension points for payloads, to name a few.. The raw materials and design are only part of it. A balloon of this size cannot simply walk into Mordor, i.e. construction is a difficult task that involves hundreds of film segments. It requires a "seal team"-a primary team of six assemblers from Raven Aerostar, NASAs balloon partner, to shape multiple segments of film into a vehicle that will function at a near constant 33 km altitude, well into the stratosphere, over long durations of day and night cycles.. Two Raven Aerostar assemblers are dedicated to operating the equipment ...
TY - JOUR. T1 - Single-center outcome analysis comparing reintervention rates of surgical arterioplasty with stenting for branch pulmonary artery stenosis in a pediatric population. AU - Patel, Neil D.. AU - Kenny, Damien. AU - Gonzalez, Ismael. AU - Amin, Zahid. AU - Ilbawi, Michel N.. AU - Hijazi, Ziyad M.. PY - 2014/1/1. Y1 - 2014/1/1. N2 - Although catheter-based intervention is generally accepted as the treatment of choice for branch pulmonary artery (PA) stenosis, there are no data directly comparing both the need for reintervention and time to reintervention in patients undergoing transcatheter stenting versus surgical arterioplasty. We compared children who underwent surgical branch pulmonary arterioplasty and branch PA stent placement between January 2008 and May 2012 at a single tertiary center. Need for reintervention and mean time to reintervention were assessed using chi-square and independent sample Student t test. Thirty-seven patients were included (surgery n = 18, stent n = 19). ...