User profiles for Katie L. Losenno

Katie Losenno

SickKids Hospital, William Osler Health System
Verified email at sickkids.ca
Cited by 415

[HTML][HTML] Bicuspid aortic valve disease and ascending aortic aneurysms: gaps in knowledge

KL Losenno, RL Goodman, MWA Chu - Cardiology Research and …, 2012 - hindawi.com
The bicuspid aortic valve is the most common congenital cardiac anomaly in developed
nations. The abnormal bicuspid morphology of the aortic valve results in valvular dysfunction …

Early clinical outcomes of hybrid arch frozen elephant trunk repair with the thoraflex hybrid graft

MWA Chu, KL Losenno, LA Dubois, PM Jones… - The Annals of thoracic …, 2019 - Elsevier
Background Hybrid aortic arch surgery has evolved to include several technical variations,
with most including an off-label use of a conventional thoracic endograft. We describe the …

[HTML][HTML] Clinical outcomes of minimally invasive endoscopic and conventional sternotomy approaches for atrial septal defect repair

MWA Chu, KL Losenno, SA Fox, C Adams… - Canadian Journal of …, 2014 - ncbi.nlm.nih.gov
Background Concerns remain that minimally invasive atrial septal defect (ASD) repair may
compromise patient outcomes. We compared clinical outcomes of adult patients undergoing …

Outcomes of pregnancy in women with bioprosthetic heart valves with or without valve dysfunction

…, J Grewal, AK Malinowski, B Pfaller, KL Losenno… - Journal of the American …, 2022 - jacc.org
Background Although pregnancy outcomes in women with normally functioning bioprosthetic
valves (BPVs) are often good, structural valve dysfunction (SVD) may adversely affect …

[HTML][HTML] Higher-risk mitral valve operations after previous sternotomy: endoscopic, minimally invasive approach improves patient outcomes

KL Losenno, PM Jones, M Valdis, SA Fox… - Canadian Journal of …, 2016 - ncbi.nlm.nih.gov
Background Reoperative mitral valve (MV) surgery is associated with significant morbidity
and mortality; however, endoscopic minimally invasive surgical techniques may preserve the …

Innominate and axillary cannulation in aortic arch surgery provide similar neuroprotection

MWA Chu, KL Losenno, JJ Gelinas, V Garg… - Canadian Journal of …, 2016 - Elsevier
Background Contemporaneous trends in cerebral protection during aortic arch surgery
include moderate hypothermia (22C-28C) and continuous antegrade cerebral perfusion (ACP). …

Defining the efficacy of aortic root enlargement procedures: a comparative analysis of surgical techniques

KL Losenno, JJ Gelinas, M Johnson… - Canadian Journal of …, 2013 - Elsevier
Background Aortic root enlargement (ARE) procedures are believed to allow implantation of
larger valve prostheses; however, little evidence exists to support the specific efficacy of …

Minimally invasive mitral repair surgery: why does controversy still persist?

J Nagendran, J Catrip, KL Losenno… - Expert Review of …, 2017 - Taylor & Francis
Introduction: Surgical treatment for mitral valve disease has evolved and remains a rapidly
expanding field. Minimally invasive mitral valve repair (MI-MVR) is a well-known alternative to …

[HTML][HTML] Early clinical outcomes of a novel self-expanding transapical transcatheter aortic valve bioprosthesis

MWA Chu, R Bagur, KL Losenno, PM Jones… - The Journal of Thoracic …, 2017 - Elsevier
Objective Coronary obstruction remains a challenging complication of transcatheter aortic
valve replacement; however, a new self-expanding transapical prosthesis may reduce this risk…

Echocardiographic method to determine the length of neochordae reconstruction for mitral repair

…, A Hage, U Manian, O Ginty, KL Losenno… - The Annals of Thoracic …, 2021 - Elsevier
Background We evaluated a novel formula using preoperative transesophageal echocardiographic
measurements to determine neochordae length for repair of degenerative mitral …