Faculty in developing consensus statement in cardio and vascular surgery-associated acute kidney injury in the Journal of American Heart Association - 2018
principal-Investigator, PROMOTE Patency- Prospective Randomized comparison of Off-pump and On-pump Multivessel cOronary artery bypass surgery To Evaluate outcomes and graft patency, a multicenter center Study - first Indian multicentric trial in coronary artery bypass surgery and presented at AATS Annual meeting at 28 April – May 1, 2018, San Diego, CA, USA.
Dr. Sajja delivered a lecture in Dr. C Sambasiva Rao Memorial Endowment CME program on “Recent advances in Cardiac Surgery” at Guntur Medical College, Guntur on 28.Feb.2016.
Conducted first Indian survey on the use of “Bilateral Internal Mammary Artery Grafting during CABG in India”.
Dr. Sajja was elected in May 2013 as an Active Member in the American Association for Thoracic Surgery (AATS) for his proven record of distinction within the international cardiothoracic surgical field and meritorious contributions to the extant knowledge base about the cardiothoracic disease and its surgical treatment (he is the fourth and youngest Cardiac Surgeon to reach this milestone from India since its inception in the year 1917).
Delivered Dr.C.S.Sadasivan Memorial Oration at 60th Annual Conference of Indian Association of Cardiovascular-Thoracic Surgeons held at Kovalam, Trivandrum, from 20th – 23rd Feb 2014 on "The Journey of Surgery for Coronary Artery Disease in India: Adoption, Customization, and Innovation".
Described a new modification of harvesting bilateral internal mammary artery in coronary bypass surgery which reduces the sternal wound infections. The manuscript was published in the August 2012 issue of the Journal of Thoracic and Cardiovascular Surgery.
He was nominated for the Techno-College Innovation Award of the European Association for Cardiothoracic Surgery, 2012.
He designed a Mammary artery surgical platform (MASP) to facilitate the construction of Y graft using both left and right mammary arteries. The MASP device design was granted the Industrial Design Registration by the Indian Patent Office of Controller General of Patents – Designs and Trade Marks, Government of India
First Indian to present a paper on a study conducted in India at the Annual Meeting of the American Association for Thoracic Surgery since its inception in the year 1918. Presented a paper entitled "Coronary artery Bypass Grafting with or without cardiopulmonary Bypass In Patients with preoperative Non-Dialysis Dependent Renal Insufficiency: A Randomized Study" at 86th Annual Meeting of American Association for Thoracic Surgery held at Philadelphia, PA between 30th April – 3rd May 2006. The manuscript was published in the February 2007 issue of the Journal of Thoracic and Cardiovascular Surgery.
He introduced for the first time a new technique of Extrafascial Harvesting of Radial artery graft for CABG and popularized the technique (2000).
One of the two surgeons who introduced a new conduit for use in Coronary Artery Bypass Grafting (CABG), RIMA, and radial artery composite in situ pedicle graft as a conduit to be used in CABG (2002).
The only Indian who presented papers of original research at 2nd International Workshop on "Arterial conduits for myocardial revascularization" held at Rome, Italy, between 19th – 21st June 2003.
Introduced for the first time clinically the concept of retrograde coronary sinus perfusion in patients with severe left main coronary artery stenosis. (Asian Cardiovasc Thorac Ann 2000:8: 290-1.)
Reintroduced the role of closed mitral valvotomy, a cost-effective procedure, in patients with mitral stenosis with severe PAH, a condition prevalent in the Indian population. (Article published in Journal of Heart Valve Disease with Editorial Coverage) (J Heart Valve Dis 2001; 10:288-293).
He modified "Portland Protocol" for postoperative management of diabetes in patients undergoing coronary artery bypass surgery, to suit the needs of Indian diabetic patients which is less expensive and reliable in controlling blood glucose in the postoperative period.
Co-Investigator, Arterial Revascularization Trial, a Multi-Centre, International (UK, Australia, Poland, Brazil, India, and Italy) study.
He was awarded Andhra Pradesh Scientist Award-2007 by the A.P.State Council of Science and Technology.
He is currently working as an Assistant Editor, Indian Journal of Thoracic and Cardiovascular Surgery.
Currently working as a Member of International Advisory Board, Editorial Board of Asian Cardiovascular and Thoracic Annals.
He is currently working as a Section Editor, Cardiothoracic Surgery of Indian Heart Journal (Since January 2012).
The First Indian Author to publish a Current Review in The Annals of Thoracic Surgery, in June issue, 2005. "The role of radial artery graft in coronary artery bypass grafting".
Published about 50 Original peer-reviewed articles as the First Author in the leading Journals of Cardiothoracic Surgery.
Presented 16 papers of Original Research at International Fora.
Presented more than 70 papers at National and International conferences.
Reviewed more than 160 Manuscripts for The Annals of Thoracic Surgery, Asian Cardiovascular and Thoracic Annals, Cardiology and Indian Journal of Thoracic and Cardiovascular Surgery, Indian Heart Journal.
He has a unique surgical feat to his credit by performing 345 consecutive heart Operations with all patients alive and discharged home (the procedures done were Coronary Artery Bypass Grafting including Redo CABGs (78%), valve replacements and Repairs (11%), other miscellaneous procedures (11%)).
Young Cardiac surgeon from India to become the Fellow (in Thoracic Surgery) of American College of Surgeons (1997).