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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

Invited Commentary on the Postpartum Preeclampsia ECMO Case Conference
PREGNANCY, DESPITE its common nature and reputation as a “natural stage” of female existence, has profound physiologic effects. The cardiovascular system evolves as early as 6 weeks' gestation to establish appropriate uteroplacental circulation to support a growing fetus and supply the increased demands on maternal metabolism.1 Cardiac output increase s throughout pregnancy and can reach up to 150% of prepregnancy levels by the twenty-fourth week, and is largely achieved by an increase in stroke volume; cardiac magnetic resonance imaging demonstrates increases in left ventricular end-diastolic volume and left ventricular mass.
Source: Journal of Cardiothoracic and Vascular Anesthesia - January 8, 2023 Category: Anesthesiology Authors: Kristin Constantine Trela Tags: Invited Commentary Source Type: research

Postpartum Preeclampsia and Extracorporeal Membrane Oxygenation
PREGNANCY, DESPITE its common nature and reputation as a “natural stage” of female existence, has profound physiologic effects. The cardiovascular system evolves as early as 6 weeks' gestation to establish appropriate uteroplacental circulation to support a growing fetus and supply the increased demands on maternal metabolism.1 Cardiac output increase s throughout pregnancy and can reach up to 150% of prepregnancy levels by the twenty-fourth week, and is largely achieved by an increase in stroke volume; cardiac magnetic resonance imaging demonstrates increases in left ventricular end-diastolic volume and left ventricular mass.
Source: Journal of Cardiothoracic and Vascular Anesthesia - January 8, 2023 Category: Anesthesiology Authors: Kristin Constantine Trela Tags: Invited Commentary Source Type: research

Invited Commentary to Postpartum Preeclampsia ECMO Case Conference
Pregnancy, despite its common nature and reputation as a “natural stage” of female existence, has profound physiological effects. The cardiovascular system evolves as early as six weeks gestation to establish appropriate uteroplacental circulation to support a growing fetus and supply the increased demands on maternal metabolism.1 Cardiac output incre ases throughout pregnancy and can reach up to 150% of pre-pregnancy levels by the twenty-fourth week and is largely achieved by an increase in stroke volume; cardiac magnetic resonance imaging demonstrates an increase in left ventricular end diastolic volume and left ventricular mass.
Source: Journal of Cardiothoracic and Vascular Anesthesia - January 8, 2023 Category: Anesthesiology Authors: Dr. Kristin Constantine Trela Tags: Invited Commentary Source Type: research

Head CT for the intensivist: 10 tips and pearls
Minerva Anestesiol. 2022 Feb 24. doi: 10.23736/S0375-9393.22.16200-0. Online ahead of print.ABSTRACTHead imaging is an essential diagnostic tool for the management of patients with most acute neurological emergencies involving the brain. While numerous modalities including magnetic resonance imaging and catheter angiography play a role, computed tomography (CT) of the brain is far and away the most widely utilized technique because of its widespread availability and the fact that it is usually easier to implement in critically ill and potentially unstable patients. CT is particularly useful in identifying acute intracrania...
Source: Minerva Anestesiologica - February 24, 2022 Category: Anesthesiology Authors: Sajeev A Mahendran Oliver Flower J Claude Hemphill Source Type: research

Eagle Syndrome: A Rare Cause of Stroke in a Young Patient
We report the case of a 26-year-old man who presented to the emergency department because he noticed that his right hand had become clumsy. He first noticed this symptom five days before his presentation, but he noticed that his symptom had improved significantly since it began. He reported that he had episodes of neck pain and pain around the ear. He visited the family physician clinic several times for this complaint and was diagnosed as having a temporomandibular joint disorder. Neurological examination revealed decreased muscle strength in the right upper limb with a power of 4/5 along with a sensory deficit. The coord...
Source: Pain Physician - February 15, 2022 Category: Anesthesiology Authors: Hussain A Alobaidi Ali A Alfaran Hawa H Algazwi Fatimah I Alkhater Hussain M Alshooalah Abdulrahman K Alanzi Ibrahim A Almindil Abdullah K Alqasim Aisha A Faqeeh Amani A Almutairi Ghaida H Alnaqa Najla H Alnaqa Renad M Alasmari Razan M Almashouf Faisal Al Source Type: research

Neurologic Dysfunction and Neuroprotection in Transcatheter Aortic Valve Implantation
Transcatheter aortic valve implantation is a fast-growing procedure. Expanding to low-risk patients, it has surpassed surgical aortic valve implantation in frequency and has been associated with excellent outcomes. Stroke is a devastating complication after transcatheter aortic valve implantation. Silent brain infarcts identified by diffusion-weighted magnetic resonance imaging are present in most patients following transcatheter aortic valve implantation. Postoperative delirium and cognitive dysfunction are common neurologic complications.
Source: Journal of Cardiothoracic and Vascular Anesthesia - November 12, 2021 Category: Anesthesiology Authors: Kyle J. Riley, Lee-Wei Kao, Ying Low, Shika Card, Gem Manalo, Jeffrey P. Flemming, Michael K. Essandoh, Adam A. Dalia, Jason Z. Qu Tags: Review Article Source Type: research

Neurocognitive, Quality of Life, and Behavioral Outcomes for Patients With Covert Stroke After Cardiac Surgery: Exploratory Analysis of Data From a Prospectively Randomized Trial
CONCLUSIONS: More than one-half of patients undergoing cardiac surgery demonstrated covert stroke. In this exploratory analysis, covert stroke was not found to be significantly associated with neurocognitive dysfunction 1 month after surgery; evidence of impaired quality of life, anxiety, or depression, albeit a type II error, cannot be excluded.PMID:34319914 | DOI:10.1213/ANE.0000000000005690
Source: Anesthesia and Analgesia - July 28, 2021 Category: Anesthesiology Authors: Choy Lewis Annabelle Levine Lauren C Balmert Liqi Chen Saadia S Sherwani Alexander J Nemeth Jordan Grafman Rebecca Gottesman Charles H Brown Charles W Hogue Source Type: research

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