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Measurement of stroke volume with echocardiography compared to gold standard cardiac magnetic resonance imaging An observational study
The assessment of Doppler-derived left ventricular outflow tract (LVOT) stroke volume (SV) is fundamental in outpatient, perioperative and critical care echocardiography.1 Calculation of SV allows assessment of the severity of aortic stenosis (AS) and evaluation of the haemodynamic state during undifferentiated hypotension.2 The use of focused transthoracic echocardiography (TTE) has appeal in a critical care environment, where after a single measurement of the LVOT area, pulsed wave Doppler velocity time integral (VTI) in the LVOT is used to calculate LVOT SV.
Source: Journal of Cardiothoracic and Vascular Anesthesia - May 16, 2023 Category: Anesthesiology Authors: Brian Cowie, Leah Wright, Ben Costello, Kristel Janssens, Erin Howden, Darragh Flannery, Steve Foulkes, Roman Kluger, Andre La Gerche Tags: Original Article Source Type: research

Laparoscopic adrenalectomy of pheochromocytoma following management of severe aortic stenosis with transcatheter aortic valve replacement under monitored anesthesia care sedation: a case report
Management of a patient with an active pheochromocytoma and severe aortic stenosis remains controversial. Adrenalectomy for a pheochromocytoma poses a high risk for stroke, hypertensive emergency, and mortalit...
Source: BMC Anesthesiology - January 11, 2023 Category: Anesthesiology Authors: Leon Yang, Lauren Hennis, Kevin Patel and Michael A. Saccocci Tags: Case report Source Type: research

Concomitant anaortic OPCAB and transfemoral TAVR for high ‐risk patients: A case series
ConclusionsCombined anaortic OPCAB and transfemoral TAVR is a safe and feasible approach to treating concomitant extensive coronary artery disease and severe aortic stenosis. The aortic no-touch technique provides benefits in the elderly high-risk patients by reducing the risk of postoperative myocardial infarction and cerebrovascular stroke.
Source: Journal of Cardiac Surgery - September 14, 2022 Category: Cardiovascular & Thoracic Surgery Authors: Dariya Hardisky, Ammu Vijayakumar, Bryan A. Whitson, Scott M. Lilly, K. Dean Boudoulas, Michael P. Vallely Tags: CASE REPORT Source Type: research

Hemodynamic changes during aortic valve surgery among patients with aortic stenosis
Conclusion. In patients with AS, CI can be increased with both dobutamine and fluid during surgery. Dobutamine's effect on SVI was highly variable and associated with baseline LVEF, and an increase in CI was mostly driven by an increase in heart rate. Fluid increased SVi at the cost of an increase in PCWP.PMID:35848519 | DOI:10.1080/14017431.2022.2099008
Source: Scandinavian Cardiovascular Journal - July 18, 2022 Category: Cardiology Authors: Rasmus Carter-Storch S øren Mose Hansen Jordi S Dahl Kasper Enevold Nils Sofus Borg Mogensen Henrik Berg Marie-Annick Clavel Jacob E M øller Source Type: research

Changes in demographics, treatment and outcomes in a  consecutive cohort who underwent transcatheter aortic valve implantation between 2005 and 2020
CONCLUSION: Over our 15 years' experience, patient age remained unchanged but the patient risk profile became more favourable. Simplification of the TAVI procedure occurred in parallel with major improvement in outcomes and survival. Bleeding/vascular complications and the need for pacemaker implantation remain the Achilles' heel of TAVI.PMID:35212972 | DOI:10.1007/s12471-022-01662-2
Source: Netherlands Heart Journal - February 25, 2022 Category: Cardiology Authors: M J A G De Ronde-Tillmans R M Nuis J A Goudzwaard P A Cummins T W Hokken M P H Van Wiechen J F W Ooms J Daemen N M D A Van Mieghem F U S Mattace-Raso M J Lenzen P P T de Jaegere Source Type: research

Self-Expanding Versus Balloon-Expandable Valve: Are We at the Cusp of Delivering a Perfect Transcatheter Aortic Valve?
Transcatheter aortic valve replacement (TAVR) has become a leading and dominant treatment alternative to surgical aortic valve replacement (SAVR) for intermediate- and high-risk patients with aortic stenosis.1-5 The follow-up trials for both the core valve, as well as the balloon-expanding valve, showed similar midterm survival and stroke rates in high-risk patients following TAVR versus SAVR.6-8 With the recent results of the PARTNER 3 and EVOLUT low-risk trials, it is evident that, among patients with severe aortic stenosis with low surgical risks, the rates of composite death, stroke, and rehospitalization at 1 year wer...
Source: Journal of Cardiothoracic and Vascular Anesthesia - November 26, 2021 Category: Anesthesiology Authors: Ankit Jain Tags: Editorial Source Type: research

Self-Expanding versus Balloon Expandable Valve – Are we at the Cusp of Delivering a Perfect Transcatheter Aortic Valve?
Transcatheter aortic valve replacement (TAVR) has become a leading and dominant treatment alternative to surgical aortic valve replacement (SAVR) for high- and intermediate-risk patients with aortic stenosis.1 –5 The follow up trials for both the core valve as well as the balloon-expanding valve showed similar mid-term survival and stroke rates in high-risk patients following TAVR vs SAVR.6–8 With the recent results of the PARTNER 3 and EVOLUT low risk trials, it is evident that, among patients with s evere aortic stenosis with low surgical risks, the rate of composite death, stroke and rehospitalization at 1 year was ...
Source: Journal of Cardiothoracic and Vascular Anesthesia - November 26, 2021 Category: Anesthesiology Authors: Ankit Jain Tags: Editorial Source Type: research

Assessment of the left ventricular outflow tract during cardiac anaesthesia with biplane transoesophageal echocardiography: An observational study
BACKGROUND Assessment of left ventricular outflow tract (LVOT) area is a key component of quantification of aortic stenosis and stroke volume. Current international guidelines recommend measurement of the LVOT diameter with two-dimensional (2D) echocardiography and assume a circle. This may lead to erroneous measures of aortic valve area and adversely affect peri-operative decision making. Multiplane orthogonal (biplane) and three-dimensional (3D) echocardiography imaging may allow more accurate calculation of LVOT, aortic valve area and stroke volume. OBJECTIVE To evaluate the shape and area of the LVOT with co...
Source: European Journal of Anaesthesiology - November 19, 2021 Category: Anesthesiology Tags: Haemodynamics Source Type: research

Single-center experience of 105-minimalistc transfemoral transcatheter aortic valve replacement and its outcome
CONCLUSION: Minimalist, conscious sedation, transfemoral transcatheter aortic valve replacement when done following a standard protocol is safe and effective.PMID:34154746 | DOI:10.1016/j.ihj.2021.01.023
Source: Indian Heart J - June 22, 2021 Category: Cardiology Authors: Ravinder Singh Rao Samin Sharma Navneet Mehta Ajeet Bana Hemant Chaturvedi Rajeev Gupta Prashant Varshney Kailash Gadhwal DharamPrakash Saran Prashant Diwedi Source Type: research

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