Gopichand Mannam, Lokeswara Rao Sajja, K. Sarat Chandra, Shailender Singh. Cavo pulmonary connection for dextrocardia and single ventricle.Presented at 47th Annual Conference of Cardiological Society of India held at Lucknow (India) Dec. 1995.Abstract Indian Heart J: 1995:47:635-36.

Mannam G.C., Lokeswara Rao S., Rao P.N. Sreeramulu S. Multivessel OPCAB: An expensive with octopus II, presented at 46th Annual Conference of Indian Association of Cardiovascular & Thoracic Surgeons held at Mumbai March 2000. Abstract in Ind. J., Thoracic Cardiovasc Surg. Scientific abstracts special 2000:3

Mannam G.C., Lokeswara Rao S. Rao P.N., SreeRamulu S. TAPVC repair in infants! Factors determining the outcome. Presented at 46th Annual Conference of Indian Association of Cardiovascul- Thoracic Surgeons held at Mumbai, March 2000. Abstract in Ind J Thorac Cardiovasc Surg. Scientific abstracts special 2000:3.

Sriramulu S, Sathish Kumar M, L.R. Sajja, Gopichand M. Role of intraoperative low dose dobutamine in multivessel CABG on beating heart..Presented at the 4th Annual Conference of Indian Association of Cardiovascular Thoracic Anesthesiologists held at Hyderabad in November 2000.

Gopichand Mannam, L.R. Sajja, Sriramulu Sompalli, Rajagopala Raju Alluri, Krishnam Raju P: Surgical Myocardial revascularization without cardiopulmonary bypass: Presented at 52nd Annual conference of The Cardiological Society of India held at Chennai on December 2000.Abstract Indian Heart J 2000;52:784-785

Sajja LR., Mannam GC. Right internal mammary artery and radial artery composite in situ pedicle graft in CABG .Presented at 15th Biennial congress of Association of Thoracic and Cardiovascular Surgeons of Asia held at Mumbai, India in December, 2001.Abstract in abstract volume page no.9: 2001;53:628.

Mannam GC, Sajja LR, Sompalli S. Neonatal cardiac surgery ideal set up, desirability and pitfalls. Presented at 53rd Annual conference of CSI held at Hyderabad, India in December, 2001.Abstract Ind Heart J 2001:53:628./li>

Sajja LR, Mannam GC, Sompalli S. Multi-vessel off-pump coronary artery bypass grafting. Presented at 48th Annual Conference of IACTS held at Chennai in February 2002 (abstract Ind J Thorac Cardiovasc Surg., 2002; 18:5./li>

# Mannam GC, Sajja LR, Sompalli S. Role of cardiac positioner in multi-vessel off-pump coronary bypass grafting:initial experience. Presented at 48th Annual Conference of IACTS held at Chennai in February 2002 (abstract Ind J Thorac Cardiovasc Surg. 2002; 18:5

Mannam GC, Sajja LR, Chakravarthy K, Sompalli S. Surgical revascularization of 100% occluded LAD; surgical strategy and outcome. Presented at 48th Annual Conference of IACTS held at Chennai in February 2002 ( abstract Ind J Thorac Cardiovasc Surg. 2002, 18:8

Mannam GC, Sajja LR, Sompalli S. Total repair of Tetrology of Fallot in children under 10 Kg; A single center experience. Presented at 48th Annual Conference of IACTS held at Chennai in February 2002 ( abstract Ind J Thorac Cardiovasc Surg. 2002, 18:17.

Lokeswara Rao Sajja, Gopichand Mannam, Sriramulu Sompalli. Reduction in post operative blood loss and blood transfusion requirement after multi vessel.Presented at 49th Annual Conference of IACTS held at Hyderabad in February 2003 (abstract Ind J Thorac Cardiovasc Surg. 2003; 19:5

Lokeswara Rao Sajja, Gopichand Mannam, Sriramulu Sompalli. The role of multi vessel Off pump coronary artery bypass grafting in a selected group of high risk patients. Presented at 49th Annual Conference of IACTS held at Hyderabad in February 2003 (abstract Ind J Thorac Cardiovasc Surg. 2003; 19:5

Lokeswara Rao Sajja, Gopichand Mannam, Sriramulu Sompalli. Repair of total anomalous pulmonary venous connection in infancy: Factors influencing early outcome. Presented at 49th Annual Conference of IACTS held at Hyderabad in February 2003 (abstract Ind J Thorac Cardiovasc Surg. 2003; 19:39

Murali Mohan Kari, Sri Ramulu Sompalli, Sathish Kumar Missula, Bala Raju Ravirala, Lokeswara Rao Sajja, Gopichand Mannam. Anaesthetic management of redo coronary artery bypass grafting: Factors influencing outcome. Presented at 49th Annual Conference of IACTS held at Hyderabad in February 2003 (abstract Ind J Thorac Cardiovasc Surg. 2003; 19:75

R. Bala raju, Sathish Kumar Missula, Murali mohan Kari, Sri Ramulu S, Gopichand Mannam, Lokeswara Rao Sajja, J. Vishwanath, K. Srinivas Murthy. Anaesthetic management of off pump CABG surgery – Our experience with Isoflurane and Halothane. Presented at 49th Annual Conference of IACTS held at Hyderabad in February 2003 (abstract Ind J Thorac Cardiovasc Surg. 2003; 19:76

Satyanarayana, S. Shiva Kumar, Dr. Sriramulu, Dr. L.R. Sajja, Dr. G.C. Mannam. Correction of Tetralogy of Fallot – Experience with 150 cases. G. Presented at 3rd Indian Society of Extra Corporeal Technology held at Hyderabad in February 2003. abstract scientific presentations; page No: 6

S. Shiva Kumar, G. Satyanarayana, Dr. L.R. Sajja, Dr. Sriramulu, Dr. G.C. Mannam. . Redo aortic root, ascending aortic replacement and multi vessel CABG – A case report. Presented at 3rd Indian Society of Extra Corporeal Technology held at Hyderabad in February 2003. abstract scientific presentations; page No: 26

Sajja.L.R, Mannam.G, Sompalli.S. Right internal mammary artery and radial artery composite in situ graft in CABG: mid term angiographic follow up. Presented at 2nd international workshop on “Arterial conduits for myocardial revascularization” held at Rome, Italy, between 19th – 21st June 2003. Abstract issue. P 36.

Sajja.L.R, Mannam.G, Sompalli.S. Extrafascially harvested radial artery in CABG: technique of harvest, complications and midterm angiographic patency. Presented at 2nd international workshop on “Arterial conduits for myocardial revascularization” held at Rome, Italy, between 19th – 21st June 2003. Abstract issue. P 64

Sajja. LR, Mannam.GC, Sompalli S, Reddy KV, Raju RB, Raju PR, Anjaneyulu AV, Care Hospital, Hyderabad. Radial artery (free / composite) graft in CABG: Mid term clinical and angiographic results. Presented at 5oth Golden Jubilee Annual conference of Indian Association of Cardiovascular – Thoracic Surgeons held at New Delhi, India, between 19th – 22nd February, 2004. Ind J Thorac Cardiovasc Surg 2004;20:14.

Mannam. G.C, Sajja LR., Sompalli S, Janaswami V, Missula SK, , Raju BS, Raju PK, Care Hospitals, Hyderabad. Does multi vessel off pump coronary artery bypass grafting reduce post operative morbidity compared to on pump CABG?. Presented at 5oth Golden Jubilee Annual conference of Indian Association of Cardiovascular – Thoracic Surgeons held at New Delhi, India, between 19th – 22nd February, 2004. Ind J Thorac Cardiovasc Surg 2004; 20:11.

Sajja LR, Mannam GC, Sompalli S, PR Raju, Bhupathiraju SR, Care Hospital, Hyderabad. Repair of post infarction ventricular septal rupture by endocardial patch with infarct technique; early experience. Presented at 51st Annual conference of Indian Association of Cardiovascular – Thoracic Surgeons held at Kochi, Kerala, India, between 17th – 20th February, 2005.

Sajja LR, Mannam GC, Sompalli S, Care Hospital, Hyderabad. Reoperation for coronary artery disease in the young : early and mid-term results. Presented at 51st Annual conference of Indian Association of Cardiovascular – Thoracic Surgeons held at Kochi, Kerala, India, between 17th – 20th February, 2005.

Sajja LR, Mannam GC, Janaswamy V, Pathuri SN, Sompalli S. Off-pump coronary artery bypass grafting in the presence of significant left ventricular dysfunction . Presented at 52nd Annual conference of Indian Association of Cardiovascular – Thoracic Surgeons held at Bangalore, India, between 23rd h – 27th February, 2006.

Mannam GC, Sajja LR, Janaswamy V, Pathuri SN, Sompalli S. Off-pump coronary artery bypass grafting in critical LMCA stenosis with associated co-morbidities. Presented at 52nd Annual conference of Indian Association of Cardiovascular – Thoracic Surgeons held at Bangalore, India, between 23rd h – 27th February, 2006.

SN Pathuri, Mannam GC, Sajja LR, Sompalli S, Koneti NR. Surgical strategies for the management of multiple ventricular septal defects.Presented at 52nd Annual conference of Indian Association of Cardiovascular – Thoracic Surgeons held at Bangalore, India, between 23rd h – 27th February, 2006.

SN Pathuri, Mannam GC, Sajja LR, Sompalli S, Koneti NR. Outcomes of surgical closre of large ventricular septal defects with severe PAH in older children. Presented at 52nd Annual conference of Indian Association of Cardiovascular – Thoracic Surgeons held at Bangalore, India, between 23rd h – 27th February, 2006.

Mannam GC, Sajja LR, Sompalli S, Soma Raju B, Krishnam Raju P, Reddy NK, Anjaneyulu AV, Surya Prakash G. Complex Arch and Ascending Aortic Repair for Acute and Chronic Thoracic Aortic Disease. Indian Heart J 2006; 58:474-477.

Sajja LR, Mannam G, Bhaskar RSD, Pathuri SN, Sompalli S. Off-pump coronary artery bypass grafting in patients with significant left ventricular dysfunction. Presented at the 53rd Annual conference of IACTS, Feb 2007. IJTCVS 2007; 23:52.

# Mannam G, Sajja LR, Raju B, Dandu S, Pathuri SN, Raju BS, Raju PK, Reddy NK, Anjaneyulu AV, Prakash GS. Complex arch and ascending aortic repair for acute and chronic thoracic aortic disease. Presented at the 53rd Annual conference of IACTS, Feb 2007. IJTCVS 2007; 23:88.

Mannam G, Sajja LR, Raju B, Dandu S, Pathuri SN, Sompalli S, Reddy NK, Raju BS. Left ventricular redtoration using endoventricular circular patchplasty – Early out comes. Presented at the 53rd Annual conference of IACTS, Feb 2007. IJTCVS 2007; 23:96.

Right internal mammary artery and radial artery composite in situ pedicle graft in CABG. Sajja LR., Mannam GC. Presented at 15th Biennial congress of Association of Thoracic and Cardiovascular Surgeons of Asia held at Mumbai, India in December, 2001.Abstract in abstract volume page no.9: 2001;53:628.

Sajja.L.R, Mannam.G, Sompalli.S. Right internal mammary artery and radial artery composite in situ graft in CABG: mid term angiographic follow up. Presented at 2nd international workshop on “Arterial conduits for myocardial revascularization” held at Rome, Italy, between 19th – 21st June 2003. Abstract issue. P 36.

Sajja.L.R, Mannam.G, Sompalli.S. Extrafascially harvested radial artery in CABG: technique of harvest, complications and midterm angiographic patency. Presented at 2nd international workshop on “Arterial conduits for myocardial revascularization” held at Rome, Italy, between 19th – 21st June 2003. Abstract issue. P 64.

Sajja. L.R, Mannam GC, Sompalli S, Raju PR, Raju PK, Raju BS : Is Off-Pump Coronary Artery Bypass grafting for Critical Left Main Coronary Artery Stenosis Safe and Effective? Presented at 17th Biennial Congress of Association of Thoracic and Cardiovascular Surgeons of Asia held at Manila, Philippines- November 20-23, 2005.

Sajja. L.R, Mannam GC, Pathuri SN, Sompalli S, Raghu K, Raju BS : Early Outcomes for Patients Undergoing Mitral Valve Repair for Ischemic Mitral Regurgitation : Asian Experience - Presented at 17th Biennial Congress of Association of Thoracic and Cardiovascular Surgeons of Asia held at Manila, Philippines- November 20-23, 2005.

Sajja. L.R, Koneti NR, Mannam GC, Kalyanasundaram M: Abnormal Drainage of Right Superior Vena Cava (RSVC) to Left Atrium (LA) and Partial Anomalous Pulmonary Venous Return – A Case Report presented at the Congenital Cardiac Case Breakfast Session during the STS 42nd Annual Meeting in Chicago, January 30 – February 1, 2006

Sajja.L.R, Mannam GC, Chakravarthi RM, Sompalli S, Naidu SK, Soma Raju B :
Coronary artery Bypass Grafting with or without cardiopulmonary Bypass In Patients with preoperative Non Dialysis Dependent Renal Insufficiency : A Randomized Study presented at 86th Annual Meeting of American Association for Thoracic Surgery held at Philadelphia, PA between 30th April – 3rd May 2006.

Role of closed mitral commissurotomy in mitral stenosis with severe pulmonary hypertension L.R. Sajja, Mannam G.C. J Heart Valve Dis 2001;10:288-293.

Sajja L.R. Mannam G.C, Krishnam Raju, S.Sompalli, R.S. Angajala. Right atrial myxoma arising from crista terminalis in septugenarian. Asian Cardiovasc Thorac Ann. 2001:9.322-4.

Mannam G.C, Sajja L.R., Yarlagadda R.B, Pothineni R.B, Repair of left ventricular outflow tract diverticulum in association with aortic stenosis. Ind J Thorac Cardiovasc Surg. 2001;17: 90-92.

Sajja L.R. Mannam G.C, Sompalli SR, Missula SK, Accessory mitral valve tissue obstructing left ventricular outflow tract. Asian Cardiovasc Thorac Ann. 2001;9:325-6.

Sajja L.R., Mannam G.C, Alluri RGR, Sompalli SR.Off -pump coronary artery bypass grafting: a single centre experience Ind J Thorac Cardiovasc Surg. 2001;17:77-81.

Sajja LR, Mannam GC, Sompalli S. Neurologic hand complications after radial artery harvest for coronary bypass grafting. J Thorac Cardiovasc Surg. 2002;123: 585 – 586

Sajja L.R., Mannam GC, Sompalli S. Is Allen’s test not reliable in selection of patients for radial artery harvest? Ann. Thorac Surg. 2002;74: 296

Sajja LR, Mannam GC. Right internal mammary artery and radial artery composite insitu pedicle graft in CABG. Ann Thorac Surg. 2002; 73:1856 – 1859.

Sajja L R, Mannam G C, Sompalli S, Reddy K V, Bala Raju S, Raju B S, Raju P K. Does multi vessel off-pump coronary artery bypass grafting reduce post operative morbidity compared to on-pump CABG?. Ind J Thorac Cardiovasc Surg 2004;20:173-177.

Sajja L R, Mannam G, Sompalli S, Reddy K V, Raju R B, Anjaneyulu A V. Mid-term angiographic patency of radial artery graft: Does the site of proximal anastomosis effect the patency?. Ind J Thorac Cardiovasc Surg 2004;20:178-182

Sajja L R, Mannam G C, Panthula N R, Sompalli S. The role of radial artery graft in coronary artery bypass grafting. Ann Thorac Surg 2005 :79: 2180-8.

Sajja LR, Mannam G, Sompalli S. Extrafacially harvested radial artery graft in CABG: Immediate arm complications and mid term clinical and angiographic results. J Card Surg 2005; 20:440-8.

Sajja LR, Mannam GC, Pantula NR, Sompalli S, Raju ARG, Raju BS. Reoperation for coronary artery disease in the young: early and mid-term results. (Ind J Thorac Cardiovasc. Surg, 2005:21:199-203)

Sajja LR, Mannam GC. Angiographic patency of the radial artery conduit in coronary artery bypass grafting (Reply)Ann Thorac Surg. 2006;81:1551-1552

Sajja L R, Mannam G C, Sompalli S R, Simhadri C S R, Hasan A.
Multinodular goiter compressing trachea following open heart surgery. Asian
Cardiovasc Thorac Ann.2006;14: 416-417

Sajja LR, Mannam G, chakravarthi RM, Sompalli S, Naidu SK, Bhupathiraju S, Penumatsa RR . Coronary artery bypass grafting with or without cardiopulmonary bypass in patients with preoperative non-dialysis dependent renal insufficiency: A randomized study. J Thorac Cardiovasc Surg 2007;133:378-88.