Research Topics
| Shyam S KothariSummaryCountry: India Publications
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Publications
Traumatic ventricular septal defect and tricuspid regurgitationS S Kothari
Heart 91:e41. 2005
Intermediate-term results of percutaneous transvenous mitral commissurotomy in children less than 12 years of ageShyam S Kothari
Department of Cardiology, All India Institute of Medical Sciences, New Delhi
Catheter Cardiovasc Interv 64:487-90. 2005..4% 8.7%. PTMC provides excellent intermediate-term palliation even in young children with rheumatic mitral stenosis...
Recurrent hemorrhagic pericardial effusion in a child due to diffuse lymphangiohemangiomatosis: a case reportShyam S Kothari
Department of Cardiology, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, 110029, India
J Med Case Reports 4:62. 2010..Recurrent hemorrhagic pericardial effusion in children with no identifiable cause is a rare presentation...
Percutaneous transvenous mitral commissurotomy in patients with severe mitral stenosis and acute rheumatic feverS S Kothari
Department of Cardiology, All India Institute of Medical Sciences, New Delhi, 110029, India
Pediatr Cardiol 27:347-50. 2006..PTMC can be performed in children with ARF without an increase in procedural complications. However, the restenosis rates appear to be higher...
Rheumatic myocarditis masquerading as left ventricle tumorShyam S Kothari
Cardiothoracic Center, All India Institute Medical Sciences, New Delhi, 110029, India
Circulation 114:e487-8. 2006
Dilated cardiomyopathy in Indian childrenShyam S Kothari
Cardiothoracic Centre, All India Institute of Medical Sciences, Ansari Nagar, New Delhi
Indian Heart J 55:147-51. 2003..The aim of this study was to ascertain the clinical course and prognosis of dilated cardiomyopathy in Indian children...
Anomalous origin of the pulmonary artery from the left coronary arteryS S Kothari
Heart 89:1436. 2003
Radiofrequency perforation for pulmonary atresia and intact ventricular septumShyam S Kothari
Cardiothoracic Centre, All India Institute of Medical Sciences, New Delhi
Indian Heart J 56:50-3. 2004..We report two infants with pulmonary atresia and intact ventricular septum, who were treated by radiofrequency perforation and balloon dilatation...
Surgical outcome of staged univentricular-type repairs for patients with univentricular physiology and pulmonary hypertensionUjjwal K Chowdhury
Departments of Cardiothoracic and Vascular Surgery, Cardiothoracic Centre, All India Institute of Medical Sciences, New Delhi
Indian Heart J 56:320-7. 2004....
Criterions for selection of patients for, and results of, a new technique for construction of the modified Blalock-Taussig shuntUjjwal K Chowdhury
Department of Cardiothoracic and Vascular Surgery, All India Institute of Medical Sciences, New Delhi, India
Cardiol Young 16:463-73. 2006..We describe alternative surgical techniques for construction of systemic-to-pulmonary arterial shunts, and propose criterions for their application in selected patients...
An alternative technique for transfer of anomalous left coronary artery from the pulmonary trunk in children and adults using autogenous aortic and pulmonary arterial flapsUjjwal K Chowdhury
Department of Cardiothoracic Surgery, All India Institute of Medical Sciences, New Delhi, India
Cardiol Young 18:165-76. 2008..We report a new technique for re-implantation using combined autogenous aortic and pulmonary arterial flaps in situations when a direct connection was not possible...
Predictors of embolic events in pediatric infective endocarditisAnita Saxena
Department of Cardiology, All India Institute of Medical Sciences, New Delhi, India
Indian Heart J 63:237-40. 2011..We analysed the clinical and echocardiographic data of 50 consecutive children admitted to our centre with infective endocarditis over a five year period to determine the predictors of embolization...
Mixed total anomalous pulmonary venous connection: anatomic variations, surgical approach, techniques, and resultsUjjwal K Chowdhury
Department of Cardiothoracic Surgery, All India Institute of Medical Sciences, New Delhi, India
J Thorac Cardiovasc Surg 135:106-16, 116.e1-5. 2008..The purpose of this study was to identify the morphologic characteristics and other risk factors that may predispose patients with mixed totally anomalous pulmonary venous connection to continuing high mortality after surgery...
Histopathology and morphometry of radial artery conduits: basic study and clinical applicationUjjwal K Chowdhury
Department of Cardiothoracic, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, India
Ann Thorac Surg 78:1614-21. 2004....
Amplatzer vascular plug closure of a Blalock-Taussig shunt through a Glenn shuntS Ramakrishnan
Department of Cardiology, All India Institute of Medical Sciences, New Delhi, India
Catheter Cardiovasc Interv 72:413-5. 2008..The BT shunt which was clipped during the surgery was found to be patent. The BT shunt was finally closed from the bidirectional Glenn using an Amplatzer vascular plug, resulting in symptom relief...
Sewing needle in the heartSachin Talwar
Cardiothoracic Centre, All India Institute of Medical Sciences, New Delhi, India
Asian Cardiovasc Thorac Ann 14:63-5. 2006..An unusual case of a sewing needle in the heart is reported for its rarity. The relevant literature is briefly reviewed...
Right pulmonary artery to left atrium communicationUjjwal K Chowdhury
Department of Cardiothoracic and Vascular Surgery, Cardiothoracic Centre, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, India
Ann Thorac Surg 80:365-70. 2005..The operative mortality rate during the earlier era (1950 to 1979) was high, at 22%. More recently, the mortality rate has approached zero. An individualized surgical approach depending on the type of surgical connections is recommended...
Emergency manual systemic-to-pulmonary artery autotransfusion for severe cyanotic spellShyam S Kothari
Department of Cardiology, All India Institute of Medical Sciences, New Delhi, India
Catheter Cardiovasc Interv 78:280-1. 2011..Manual autotransfusion of blood from aorta into the pulmonary arteries resulted in significant clinical improvement...
Gender differences in the utilisation of surgery for congenital heart disease in IndiaSivasubramanian Ramakrishnan
Department of Cardiology, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110 029, India
Heart 97:1920-5. 2011..Girls with cardiac defects may not receive equitable care in India, but this has not been systematically studied...
Anomalous origin of the right coronary artery from the left anterior interventricular coronary artery in the setting of tetralogy of FallotUjjwal K Chowdhury
Cardiothoracic Centre, All India Institute of Medical Sciences, New Delhi, India
Cardiol Young 16:501-3. 2006..We describe anomalous origin of the right coronary artery from the left anterior interventricular coronary artery in a 16-year-old female with tetralogy of Fallot, highlighting the rarity and surgical significance of this anomaly...
Postoperative assessment of the univentricular repair by dynamic radionuclide studiesUjjwal K Chowdhury
Department of Cardiothoracic, Cardiothoracic Centre, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110 029, India
Ann Thorac Surg 78:658-65. 2004..The purpose of this investigation was to determine the role of radionuclide studies in evaluating postoperative Fontan hemodynamics and to quantify its diagnostic accuracy...
Successful lobectomy for pulmonary arteriovenous malformation causing recurrent massive haemoptysisUjjwal K Chowdhury
Department of Cardiothoracic Surgery, AIIMS, New Delhi, India
Heart Lung Circ 18:135-9. 2009..Published reports detailing coil embolisation therapy for PAVMs are also discussed...
A suggested new surgical classification for mixed totally anomalous pulmonary venous connectionUjjwal K Chowdhury
Department of Cardiothoracic and Vascular Surgery, All India Institute of Medical Sciences, New Delhi, India
Cardiol Young 17:342-53. 2007..9%. We submit that an increased appreciation of various types of mixed totally anomalous pulmonary venous connection may well contribute to improved future surgical management...
Acute and short-term hemodynamic effects of metoprolol in Eisenmenger syndrome: a preliminary observational studySivasubramanian Ramakrishnan
Department of Cardiology, All India Institute of Medical Sciences, New Delhi, India
Am Heart J 161:938-43. 2011..Bockers may be useful in Eisenmenger syndrome, but the safety and efficacy are not proven. The objective of the study was to evaluate the hemodynamic effects and safety of metoprolol in Eisenmenger syndrome...
A novel percutaneously adjustable device for ligature of the vertical vein in the setting of obstructive totally anomalous pulmonary venous connectionUjjwal K Chowdhury
Department of Cardiothoracic and Vascular Surgery, Cardiothoracic Centre, All India Institute of Medical Sciences, New Delhi, India
Cardiol Young 17:380-6. 2007..We describe here a new device, permitting adjustable ligation of the vertical vein, which permits us to avoid multiple reoperations...
Right pulmonary artery-to-left atrium communication: report of 5 casesUjjwal K Chowdhury
Department of Cardiothoracic and Vascular Surgery, Cardiothoracic Centre, All India Institute of Medical Sciences, New Delhi, India
Ann Thorac Surg 80:336-8. 2005..An individualized management algorithm is recommended...
Prevalence of rheumatic heart disease: has it declined in India?S Ramakrishnan
Department of Cardiology, All India Institute of Medical Sciences, New Delhi 110029, India
Natl Med J India 22:72-4. 2009..However, the cumulative burden of the disease remains high, and sustained efforts for the prevention of rheumatic heart disease are warranted...
Baffle leak following lateral tunnel Fontan--treated with a vascular plugS Ramakrishnan
Department of Cardiology, All India Institute of Medical Sciences, New Delhi, India
Indian Heart J 61:285-7. 2009..The advantages and disadvantages of Amplater vascular plug for the closure of baffle leak are discussed...
Trans-septal closure of a right pulmonary artery to left atrial communicationSivasubramanian Ramakrishnan
Department of Cardiology, AIIMS, New Delhi, India
Catheter Cardiovasc Interv 75:1096-9. 2010..Interventional closure of the fistula using occluder devices and coils have been rarely reported. We report an easy method of closure of the communication through trans-septal approach using an Amplatzer duct occluder...
Predictors of embolic events in pediatric infective endocarditisAnita Saxena
Department of Cardiology, All India Institute of Medical Sciences, New Delhi, India
Indian Heart J 61:242-5. 2009..We analysed the clinical and echocardiographic data of 50 consecutive children admitted to our centre with infective endocarditis over a five year period to determine the predictors of embolization...
Secundum ASD--not for closureNaresh Kumar Goyal
Department of Cardiology, All India Institute of Medical Sciences, New Delhi
Indian Heart J 57:268-9. 2005..The closure was not done. Further investigation led to the diagnosis of primary cardiac amyloidosis...
Congestive heart failure in unoperated tetralogy of Fallot: can hypoxia be a cause?Ujjwal K Chowdhury
Department of Cardiothoracic, Cardiothoracic Centre, All India Institute of Medical Sciences, New Delhi
Indian Heart J 57:65-7. 2005..We postulate that congestive heart failure occurred because of severe myocardial hypoxia and its elimination resulted in markedly improved cardiac performance...
Intra-aortic balloon counterpulsation in a patient with the failing Fontan circulationUjjwal K Chowdhury
Department of Cardiothoracic and Vascular Surgery, All India Institute of Medical Sciences, New Delhi, India
Cardiol Young 17:102-4. 2007..Aortic counterpulsation facilitates recovery of systemic ventricular function, and appears to be a reasonable alternative in select instances of cardiac failure in patients with the Fontan circulation...
An infant with "dying spells"Shyam S Kothari
Department of Cardiology, Cardiothoracic Centre, All India Institute of Medical Sciences, New Delhi
Indian Heart J 55:78-80. 2003..The infant was discovered to have a vascular compression of the trachea by the innominate artery, almost serendipitously. He was cured of his symptoms by anterior suspension of the innominate artery...
Medium-term outcome of anatomically repaired congenitally corrected transposition: the double switch operationRajesh Sharma
Cardiothoracic Centre, All India Institute of Medical Sciences, New Delhi
Indian Heart J 54:390-3. 2002..The double switch operation is emerging as the procedure of choice for congenitally corrected transposition of the great arteries. However, rhythm disturbances in the postoperative period are rarely discussed...
Isolation of the left subclavian arteryAmbuj Roy
Cardiothoracic Centre, All India Institute of Medical Sciences, New Delhi
Indian Heart J 55:65-7. 2003..The isolated left subclavian artery was reimplanted in one patient. This rare anomaly has clinical and surgical relevance and should be diagnosed by diligent clinical and angiographic evaluation...
Ductal recanalization and stenting for late presenters with TGA intact ventricular septumShyam S Kothari
Department of Cardiology, All India Institute of Medical Sciences, New Delhi, India
Ann Pediatr Cardiol 4:135-8. 2011..Primary switch, two-stage switch, and Senning operation are the options. Left ventricular retraining prior to arterial switch by ductal stenting may be effective, but the experience is very limited...
Pericardial hydatid cystGurpreet Gulati
Department of Cardiovascular Radiology, Cardiothoracic Centre, All India Institute of Medical Sciences, New Delhi
Indian Heart J 54:437-8. 2002
High prevalence of silent brain infarction in patients presenting with mechanical heart valve thrombosisParag Barwad
Department of Cardiology, All India Institute of Medical Sciences, New Delhi, India
Am J Cardiovasc Drugs 12:345-8. 2012..Symptomatic thromboembolic events including stroke occur frequently in patients with mechanical heart valves, particularly among those who are poorly anticoagulated...
Fungal ball blocking the aortic valveS Anandaraja
Department of Cardiology, Cardiothoracic Sciences Centre, All India Institute of Medical Sciences, New Delhi, India
Echocardiography 23:164. 2006
Timing of adverse events during fibrinolytic therapy with streptokinase for left-sided prosthetic valve thrombosisGanesan Karthikeyan
Department of Cardiology, All India Institute of Medical Sciences, Room 24, Cardiothoracic Sciences Center, New Delhi, 110029 India
J Thromb Thrombolysis 32:146-9. 2011..25-11.20, P = 0.018). Contrary to current thinking, adverse events can occur early during fibrinolytic therapy for left-sided PVT. This has important implications for the use of fibrinolysis as first line treatment for left-sided PVT...
Double switch for congenitally corrected transposition of the great arteriesR Sharma
Cardio Thoracic Centre, All India Institute of Medical Sciences, New Delhi
Eur J Cardiothorac Surg 15:276-81; discussion 281-2. 1999..To evaluate the early and medium term results of operations for congenitally corrected transposition of the great arteries (CCTGA) wherein the left ventricle becomes the systemic ventricle...
Cardiac compression with mitral stenosis: a haemodynamic challengeS S Kothari
Department of Cardiology, All India Institute of Medical Sciences, New Delhi
Int J Cardiol 39:216-8. 1993..In patients with constrictive pericarditis and mitral stenosis, the pulmonary artery wedge pressure does not appear to be a true indicator of the left atrial pressure...
One and a half ventricle repair with pulsatile bidirectional Glenn: results and guidelines for patient selectionU K Chowdhury
Department of Cardiothoracic and Vascular Surgery, All India Institute of Medical Sciences, Ansari Nagar, New Delhi
Ann Thorac Surg 71:1995-2002. 2001..Patients requiring an intricate intracardiac repair and those with concomitant right heart hypoplasia may be better suited for a Fontan type of repair to reduce the complexity of the procedure...
Percutaneous transvenous mitral commissurotomy using Inoue balloon in children less than 12 yearsS S Kothari
Department of Cardiology, Cardiothoracic Centre, All India Institute of Medical Sciences, New Delhi
Cathet Cardiovasc Diagn 43:408-11. 1998..We conclude that PTMC is safe and effective in children less than 12 years of age. However, the smaller balloon size than the RBS derived from height may be equally effective and possibly safer...
Septal course of the left main coronary artery from right aortic sinus and ventricular tachycardiaS S Kothari
Cardiothoracic Centre, All India Institute of Medical Sciences, New Delhi
Int J Cardiol 66:207-9. 1998..Septal course of an anomalous left main coronary artery from right aortic sinus should not always be considered benign...
Amiodarone-induced pulmonary toxicity in an adolescentS S Kothari
Department of Cardiology, All India Institute of Medical Sciences, New Delhi
Cardiol Young 9:194-6. 1999..Pulmonary toxicity due to amiodarone, as far as we know, has not been reported in children and young adults, and its occurence even in young adults requires wider appreciation...
Ten-year experience with the arterial switch operationR Sharma
Department of Cardiothoracic and Vascular Surgery, Cardiothoracic Centre, All India Institute of Medical Sciences, New Delhi
Indian Heart J 54:681-6. 2002..Arterial level repair is considered the most appropriate procedure for transposition of the great arteries. This report describes our experience with the arterial switch operation over the past decade...
Univentricular repair: is routine fenestration justified?B Airan
Cardiothoracic Sciences Centre, All India Institute of Medical Sciences, Ansari Nagar, New Delhi
Ann Thorac Surg 69:1900-6. 2000..Our study was designed to assess the impact of fenestration on the outcome of univentricular repairs...
Detection of coronary artery anomalies in tetralogy of Fallot using a specific angiographic protocolD Gupta
Department of Cardiology, All India Institute of Medical Sciences, Ansari Nagar, New Delhi
Am J Cardiol 87:241-4, A9. 2001..The incidence of coronary anomalies was found to be 7.0%; no association was found with these anomalies with any of the other abnormalities detected...
Unusual totally anomalous pulmonary venous connection in right isomerism and functionally univentricular heartU K Chowdhury
Department of Cardiothoracic and Vascular Surgery, Cardiothoracic Centre, All India Institute of Medical Sciences, Ansari Nagar, New Delhi
Cardiol Young 11:75-8. 2001..The child had associated right isomerism and functionally univentricular heart. Awareness of this possibility may avoid a reoperation or even death...
Does inhaled nitric oxide improve survival in operated congenital disease with severe pulmonary hypertension?R Sharma
Cardiothoracic Center, All India Institute of Medical Sciences, New Delhi
Indian Heart J 53:48-55. 2001..The present study aimed to assess the impact of inhaled nitric oxide on survival following correction of congenital heart defects with residual pulmonary arterial hypertension...
Total anomalous pulmonary venous connection: surgical experience in IndiansS K Choudhary
Cardiothoracic Centre, All India Institute of Medical Sciences, Ansari Nagar, New Delhi
Indian Heart J 53:754-60. 2001..Severe pulmonary arterial hypertension appears to be the most important predictor of operative mortality. Severe malnutrition, delayed diagnosis and late referrals possibly contribute to the high mortality...
Transhepatic balloon dilation of the interatrial septumShyam S Kothari
Indian Heart J 56:683-4. 2004
