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Double orifice mitral valve is a rare congenital anomaly that is often associated with other congenital cardiac abnormalities. Patients may present with valvular dysfunction or may be asymptomatic and have an incidental diagnosis of double outlet mitral valve. Whether symptoms due to this pathology are present or not it is important to accurately characterize this lesion. Three-dimensional imaging is a powerful diagnostic modality for diagnosing and characterizing lesions such as this as highlighted in this case image series where we describe how three-dimensional transesophageal echocardiography was utilized to characterize both complete and incomplete bridge type double orifice mitral valve.
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Ecocardiografía Tridimensional , Cardiopatías Congénitas , Enfermedades de las Válvulas Cardíacas , Humanos , Válvula Mitral , Ecocardiografía Transesofágica , Cardiopatías Congénitas/diagnósticoRESUMEN
Transcatheter edge-to-edge repair (TEER) of the mitral valve is a complex procedure requiring continuous image guidance with 2-dimensional and 3-dimensional transesophageal echocardiography. In this context, the role of the echocardiographer is of paramount importance. Training in interventional echocardiography for procedures such as TEER requires comprehending the complicated workflow of the hybrid operating room and advanced imaging skills that go beyond traditional echocardiography training to guide the procedure. Despite TEER being more commonly performed, the training structure for interventional echocardiographers is lagging, with many practitioners not having any formal training in image guidance for this procedure. In this context, novel training strategies must be developed to increase exposure and aid training. In this review, the authors present a step-wise approach to training for image guidance during TEER of the mitral valve. The authors have deconstructed this complex procedure into modular components and have incremental stages of training based on different steps of the procedure. At each step, trainees must demonstrate proficiency before advancing to the next step, thus ensuring a more structured approach to attaining proficiency in this complex procedure.
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Procedimientos Quirúrgicos Cardíacos , Implantación de Prótesis de Válvulas Cardíacas , Insuficiencia de la Válvula Mitral , Humanos , Válvula Mitral/diagnóstico por imagen , Válvula Mitral/cirugía , Insuficiencia de la Válvula Mitral/diagnóstico por imagen , Insuficiencia de la Válvula Mitral/cirugía , Cateterismo Cardíaco/métodos , Ecocardiografía , Implantación de Prótesis de Válvulas Cardíacas/métodos , Resultado del TratamientoRESUMEN
Simulation-based training is an essential component in the education of transthoracic echocardiography (TTE). Nevertheless, current TTE teaching methods may be subject to certain limitations. Hence, the authors in this study aimed to invent a novel TTE training system employing three-dimensional (3D) printing technology to teach the basic principles and psychomotor skills of TTE imaging more intuitively and understandably. This training system comprises a 3D-printed ultrasound probe simulator and a sliceable heart model. The probe simulator incorporates a linear laser generator to enable the visualization of the projection of the ultrasound scan plane in a 3D space. By using the probe simulator in conjunction with the sliceable heart model or other commercially available anatomic models, trainees can attain a more comprehensive understanding of probe motion and related scan planes in TTE. Notably, the 3D-printed models are portable and low-cost, suggesting their potential utility in various clinical scenarios, particularly for just-in-time training.
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Ecocardiografía , Corazón , Humanos , Ecocardiografía/métodos , Ultrasonografía , Corazón/diagnóstico por imagen , Modelos Anatómicos , Impresión TridimensionalRESUMEN
Transseptal puncture is an increasingly common procedure undertaken to gain access to the left side of the heart during structural heart disease interventions. Precision guidance during this procedure is paramount to ensure success and patient safety. As such, multimodality imaging, such as echocardiography, fluoroscopy, and fusion imaging, is routinely used to guide safe transseptal puncture. Despite the use of multimodal imaging, there is currently no uniform nomenclature of cardiac anatomy between the various imaging modes and proceduralists, and echocardiographers tend to use imaging modality-specific terminology when communicating among the various imaging modes. This variability in nomenclature among imaging modes stems from differing anatomic descriptions of cardiac anatomy. Given the required level of precision in performing transseptal puncture, a clearer understanding of the basis of cardiac anatomic nomenclature is required by both echocardiographers as well as proceduralists; enhanced understanding can help facilitate communication across specialties and possibly improve communication and safety. In this review, the authors highlight the variation in cardiac anatomy nomenclature among various imaging modes.
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Tabique Interatrial , Ablación por Catéter , Cardiopatías , Humanos , Cateterismo Cardíaco/métodos , Tabique Interatrial/diagnóstico por imagen , Tabique Interatrial/cirugía , Ecocardiografía/métodos , Punciones/métodosRESUMEN
OBJECTIVE: To establish agreement among nationwide experts through a Delphi process on the key components of perioperative ultrasound and the recommended minimum number of examinations that should be performed by a resident upon graduation. DESIGN: A prospective cross-sectional study. SETTING: A survey on multiinstitutional academic medical centers. PARTICIPANTS: Anesthesiology residency program directors and/or experts in perioperative ultrasound. INTERVENTIONS: A list of components and examinations recommended for anesthesiology resident training in perioperative ultrasound was developed based on guidelines and 2 survey rounds among a steering committee of 10 experts. A questionnaire asking for a rating of each component on a 5-point Likert scale subsequently was sent to an expert panel of 120 anesthesiology residency program directors across the United States. An agreement of at least 70% of participants, rating a component as 4 or 5, was compulsory to list a component as essential for anesthesiology resident training in perioperative ultrasound. MEASUREMENTS AND MAIN RESULTS: The nationwide survey's response rate was 62.5%, and agreement was reached after 2 Delphi rounds. The final list included 44 essential components for basic ultrasound physics and knobology, cardiac ultrasound, lung ultrasound, and ultrasound-guided vascular access. Agreement was not reached for abdominal ultrasound, gastric ultrasound, and ultrasound-guided airway assessment. Agreement for the recommended minimum number of examinations that should be performed by a resident upon graduation included 50 each for transthoracic and transesophageal echocardiography, and 20 each for lung ultrasound, ultrasound-guided central line, and ultrasound-guided arterial line placements. CONCLUSIONS: The recommendations outlined in this survey can be used to establish standardized training for perioperative ultrasound by anesthesiology residency programs.
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Anestesiología , Internado y Residencia , Anestesiología/educación , Competencia Clínica , Estudios Transversales , Humanos , Estudios Prospectivos , Estados UnidosRESUMEN
INTRODUCTION: Subaortic membrane is an uncommon cause of left ventricular outflow tract obstruction. DISCUSSION: Whereas traditionally described of as a membrane, it is in fact a discreet circumferential shelf of raised endocardium in the left ventricular outflow tract, causing a fixed outflow obstruction. The circumferential nature of subaortic membranes is poorly appreciated on 2-dimensional imaging. CONCLUSION: Using a three-dimensional imaging and recently available on-cart rendition techniques of acquired images, we were able to better visualize the true extent of a sub-aortic membrane while also gaining insight into its origin and structure.
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Ecocardiografía Tridimensional , Obstrucción del Flujo Ventricular Externo , Aorta , HumanosRESUMEN
Intraprocedural transesophageal echocardiography imaging is an integral part of percutaneous structural heart disease (SHD) interventions. The rapid growth in the number, scope, and complexity of SHD interventions has outpaced the efforts to develop training and proficiency standards in periprocedural imaging. At the Beth Israel Deaconess Medical Center in Boston, Massachusetts, the authors have developed a 6-month duration fellowship in interventional echocardiography for SHD to address this issue. The purpose of this fellowship is to train cardiac anesthesiologists to address the unique challenges of interventional echocardiography. In this paper, the authors describe the rationale for and specific features of this training program. Their fellowship curriculum follows a multimodal integrative approach to training in SHD imaging, which includes simulation sessions, online modules, deliberate practice in the clinical setting, and interdisciplinary team-based training. In the next several years, there will be an increased need for echocardiographers who are proficient in intraprocedural SHD imaging. In this article, the authors describe their experience with a competency-based curriculum for subspecialty anesthesia training in SHD imaging.
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Anestesia , Cardiopatías , Internado y Residencia , Adulto , Curriculum , Ecocardiografía Transesofágica , Cardiopatías/diagnóstico por imagen , HumanosRESUMEN
With advancements in technology and progress in interventional procedures, left-sided structural heart disease (SHD) interventions have become part of everyday clinical practice. One of the most important steps for a successful left-sided structural heart intervention is the transseptal puncture (TSP). Appropriate transesophageal echocardiographic (TEE) guidance of TSP requires extensive supervised hands-on experience prior to attaining proficiency. Whereas some TEE skills are acquired during cardiac anesthesia fellowships, continuous procedural guidance during SHD interventions requires substantial hands-on experience. Several studies have emphasized the value of advanced training in imaging for SHD interventions; however, the pathways and advanced training to ensure proficiency in interventional echocardiography have not yet been clearly established. In an effort to achieve a uniform and consistent approach to TSP imaging that is homogeneous and complementary to the component steps of the TSP procedure from an interventional point-of-view, the authors have developed a protocol for providing image guidance for TSP - the PITLOC protocol (Practice, Identification of septal puncture needle, Tracking of needle tip, Localization of needle tip in fossa ovalis, Optimizing septal indentation, and, finally, Crossing the interatrial septum under direct vision). This protocol aims to standarize image guidance for TSP while complementing the the steps of the procedure as performed and described by interventionalists.
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Tabique Interatrial , Cardiopatías , Tabique Interatrial/diagnóstico por imagen , Cateterismo Cardíaco/métodos , Ecocardiografía Transesofágica/métodos , Humanos , Agujas , Punciones/métodosRESUMEN
The use of intraoperative three-dimensional (3D) transesophageal echocardiography (TEE) has grown exponentially in recent years. Three-dimensional TEE technology has evolved to allow for real-time display of 3D images and, thus, has become the standard of care for the evaluation of cardiac anatomy and function. Its use has provided a new dimension of clinical insight when managing patients for cardiac surgery or structural heart interventions. While the intraoperative utility of 3D TEE has expanded, there has been a slower advancement in the area of training and, specifically, simulator-based training in 3D TEE. This training is essential, as the skill set involved in acquiring 3D data sets differs from that of two-dimensional (2D) TEE and requires users to be able to appreciate how 3D anatomic display differs from that of tomographic cross-sectional 2D imaging. This added skill set requires mental reconstruction and spatial reorientation to appreciate the added elevational dimension in frustum-based imaging and is best achieved in a simulation environment rather than the busy operating room. In this review article, the authors evaluate the functionality of a 3D TEE simulator and how simulators such as this can establish preclinical proficiency in novices in the expanding area of advanced 3D TEE imaging.
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Procedimientos Quirúrgicos Cardíacos , Ecocardiografía Tridimensional , Estudios Transversales , Ecocardiografía Tridimensional/métodos , Ecocardiografía Transesofágica/métodos , HumanosRESUMEN
Procedural guidance during structural heart disease (SHD) interventions is achieved with both two-dimensional and three-dimensional transesophageal echocardiography as well as real-time fluoroscopic imaging. Although both image the cardiac anatomy, they are based on different principles of image acquisition. In the era of multimodality imaging with coregistration of anatomic landmarks and simultaneous real-time display, it is essential to have cross-disciplinary imaging knowledge. Besides improving communication, it also enhances patient care and, possibly, outcomes. In this study, the authors used a novel fluoroscopic phantom cardiac model with enhanced structural markers to display the basic fluoroscopic images used during SHD interventions. The projected images enhance the understanding of the orientation and relationship among intracardiac structures as seen on fluoroscopy. In this study, the authors present the basic fluoroscopic views for SHD interventions and the anatomic relationship for intracardiac structures using a custom-made phantom fluoroscopic heart model.
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Ecocardiografía Tridimensional , Cardiopatías , Cateterismo Cardíaco , Ecocardiografía Transesofágica , Fluoroscopía , HumanosRESUMEN
Multimodal general anesthesia (MMGA) is a strategy that utilizes the well-known neuroanatomy and neurophysiology of nociception and arousal control in designing a rational and clinical practical paradigm to regulate the levels of unconsciousness and antinociception during general anesthesia while mitigating side effects of any individual anesthetic. We sought to test the feasibility of implementing MMGA for seniors undergoing cardiac surgery, a high-risk cohort for hemodynamic instability, delirium, and post-operative cognitive dysfunction. Twenty patients aged 60 or older undergoing on-pump coronary artery bypass graft (CABG) surgery or combined CABG/valve surgeries were enrolled in this non-randomized prospective observational feasibility trial, wherein we developed MMGA specifically for cardiac surgeries. Antinociception was achieved by a combination of intravenous remifentanil, ketamine, dexmedetomidine, and magnesium together with bupivacaine administered as a pecto-intercostal fascial block. Unconsciousness was achieved by using electroencephalogram (EEG)-guided administration of propofol along with the sedative effects of the antinociceptive agents. EEG-guided MMGA anesthesia was safe and feasible for cardiac surgeries, and exploratory analyses found hemodynamic stability and vasopressor usage comparable to a previously collected cohort. Intraoperative EEG suppression events and postoperative delirium were found to be rare. We report successful use of a total intravenous anesthesia (TIVA)-based MMGA strategy for cardiac surgery and establish safety and feasibility for studying MMGA in a full clinical trial. Clinical Trial Number: www.clinicaltrials.gov; identifier NCT04016740 (https://clinicaltrials.gov/ct2/show/NCT04016740).
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BACKGROUND: Appreciation of unique presentation, patterns and underlying pathophysiology of coronary artery disease in women has driven gender based risk stratification and risk reduction efforts over the last decade. Data regarding whether these advances have resulted in unequivocal improvements in outcomes of CABG in women is conflicting. The objective of our study was to assess gender differences in post-operative outcomes following CABG. METHODS: Retrospective analyses of institutional data housed in the Society of Thoracic Surgeons (STS) database for patients undergoing CABG between 2002 and 2020 were conducted. Multivariable regression analysis was conducted to investigate gender differences in post-operative outcomes. P-values were adjusted using Bonferroni correction to reduce type-I errors. RESULTS: Our final cohort of 6,250 patients had fewer women than men (1,339 vs. 4,911). more women were diabetic (52.0% vs. 41.2%, p<0.001) and hypertensive (89.1% vs. 84.0%, p<0.001). Women had higher adjusted odds of developing ventilator dependence >48 hours (OR: 1.65 [1.21, 2.45], p = 0.002) and cardiac readmissions (OR: 1.56 [1.27, 2.30], p = 0.003). After adjustment for comorbidity burden, mortality rates in women were comparable to those of age-matched men. CONCLUSION: The findings of our study indicate that despite apparent reduction of differences in mortality, the burden of postoperative morbidity is still high among women.
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Puente de Arteria Coronaria/mortalidad , Enfermedad de la Arteria Coronaria/mortalidad , Bases de Datos Factuales/estadística & datos numéricos , Anciano , Enfermedad de la Arteria Coronaria/patología , Enfermedad de la Arteria Coronaria/cirugía , Femenino , Humanos , Masculino , Persona de Mediana Edad , Pronóstico , Estudios Retrospectivos , Factores Sexuales , Tasa de SupervivenciaRESUMEN
Despite the valuable use of modern applications of perioperative ultrasound across multiple disciplines, there have been limitations to its implementation, restricting its impact on patient-based clinical outcomes. Point-of-care ultrasound evaluation of hypoxia and hypotension is an important tool to assess the underlying undifferentiated etiologies in a timely manner. However, there is a lack of consensus on the formal role of ultrasound during evaluation of perioperative hypoxia or hypotension. The previous ultrasound algorithms have adopted a complex technique that possibly ignore the pathophysiologic mechanisms underlying the conditions presenting in a similar fashion. The authors here propose a simple, sequential and focused multiorgan approach, applicable for the evaluation of perioperative hypotension and hypoxia in emergency scenarios. The authors believe this approach will enhance the care provided in the postanesthesia care unit, operating room, and intensive care unit.
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Hipotensión , Algoritmos , Humanos , Hipotensión/diagnóstico , Hipotensión/etiología , Hipoxia/diagnóstico por imagen , Hipoxia/etiología , Unidades de Cuidados Intensivos , UltrasonografíaRESUMEN
BACKGROUND: Despite progress in perioperative care standards, there has not been a significant risk reduction in morbidity and mortality rates of lower extremity amputations, an intermediate risk surgery performed on high risk patients. The single-shot peripheral nerve block has shown equivocal impact on postoperative course following lower extremity amputation. Hence, we assessed the potential of preemptive use of continuous catheter-based peripheral nerve block in lower extremity amputations for reduction in pulmonary complications, acute post-operative pain scores, and opioid use in post-operative period. METHODS: A retrospective review of a quality improvement project initiated in 2018 was conducted to compare outcomes amongst general anesthesia in combination with a catheter-based peripheral nerve block (catheter group) and general anesthesia alone in patients receiving lower extremity amputation. The rate of postoperative pulmonary complications was identified as a primary endpoint. The secondary outcomes assessed were acute post-operative pain scores and opioid consumption up to 48 hours. Our analysis was adjusted for potential confounding variables inclusive of demographics, medical comorbidities, type of surgical procedure and smoking status. RESULTS: Ninety-six patients were included in the study (61 in the general anesthesia group, 35 in the catheter group). After adjusting for baseline demographics, comorbidities, surgical technique and smoking status, the odds of postoperative pulmonary complications were significantly lower with catheter-based peripheral nerve block in comparison to general anesthesia alone, OR 0.11 [95% CI, 0.01- 0.88] (Pâ¯=â¯0.048). The decrease in acute pain scores was also observed in the catheter group when compared to general anesthesia alone, OR 0.72 [95% CI, 0.56 - 0.93] (Pâ¯=â¯0.012). Similarly, the opioid consumption was also lower in the catheter group in comparison to general anesthesia alone, OR 0.97 [95% CI, 0.95 - 0.99] (Pâ¯=â¯0.025). CONCLUSION: Preemptive use of continuous peripheral nerve block in patients undergoing lower extremity amputation reduces the incidence of pulmonary complications, acute postoperative pain scores and narcotic use in post-operative period.
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Amputación Quirúrgica/efectos adversos , Anestesia General , Extremidad Inferior/cirugía , Enfermedades Pulmonares/prevención & control , Bloqueo Nervioso , Manejo del Dolor , Dolor Postoperatorio/prevención & control , Anciano , Analgésicos Opioides/uso terapéutico , Anestesia General/efectos adversos , Bases de Datos Factuales , Femenino , Humanos , Extremidad Inferior/inervación , Enfermedades Pulmonares/diagnóstico , Enfermedades Pulmonares/etiología , Masculino , Persona de Mediana Edad , Bloqueo Nervioso/efectos adversos , Manejo del Dolor/efectos adversos , Dimensión del Dolor , Dolor Postoperatorio/diagnóstico , Dolor Postoperatorio/etiología , Recuperación de la Función , Estudios Retrospectivos , Medición de Riesgo , Factores de Riesgo , Factores de Tiempo , Resultado del TratamientoRESUMEN
Arterial line cannulations frequently are performed in various clinical settings to facilitate hemodynamic monitoring and metabolic assessments. Palpation-guided technique generally is performed due to the superficial nature of the peripheral arteries; however, this approach may be challenging in patients with obesity, edema, and hypotension. Difficult line placements are a significant contributor of reduced operating room efficiency due to time delays seen in procedural workflow. Real-time ultrasound guidance is shown to improve success rates of arterial cannulation and reduction in multiple attempts, leading to time efficiency and less likelihood of arterial spasms or hematoma formation. In this report, the authors demonstrate the workflow of ultrasound-guided arterial line cannulation, outline the features of their institutional multi-modal training project for quality improvement, and evaluate the possible effect of the initiative on surgical delays seen with difficult line placements.
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Cateterismo Periférico , Humanos , Palpación , Arteria Radial/diagnóstico por imagen , Arteria Radial/cirugía , Ultrasonografía Intervencional , Flujo de TrabajoRESUMEN
Cold agglutinins (CA) are auto-antibodies that adhere to erythrocytes in cold temperatures, and can result in agglutination of red blood cells. This process can cause complement-mediated intravascular hemolysis, which can be catastrophic. We describe a patient who developed CA during initiation of deep hypothermic circulatory arrest for emergent repair of Type A aortic dissection. The patient was found to have anti-I and anti-C antibodies and a positive direct Coombs test. CA resolved with re-warming, and resulted in no adverse events.
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Disección Aórtica , Paro Circulatorio Inducido por Hipotermia Profunda , Disección Aórtica/cirugía , Puente Cardiopulmonar , Crioglobulinas , Hemólisis , HumanosRESUMEN
BACKGROUND: Spinal cord ischemia (SCI) resulting in paraplegia is a devastating complication associated with thoracic endovascular aortic aneurysm repair (TEVAR) whose incidence has significantly declined over time. In this review, we present our experience with a multidisciplinary clinical protocol for cerebrospinal fluid (CSF) drain management in patients undergoing TEVAR. Furthermore, we aimed to characterize complications of CSF drain placement in a large, single center experience of patients who underwent TEVAR. METHODS: This retrospective review is of patients undergoing TEVAR with and without CSF drain placement between January 2014 and December 2019 at a single institution. Patient demographics, hospital course, and drain-related complications were analyzed to assess the incidence of CSF drain-related complications. RESULTS: A total of 235 patients were included in this study, of which 85 received CSF drains. Eighty patients (94.1%) were placed by anesthesiologists, while 5 (5.9%) were placed under fluoroscopic guidance by interventional neurosurgery. The most common level of placement was L3-L4 in 38 (44.7%) cases followed by L4-L5 in 36 (42.4%) cases. The mean duration of CSF drain was 1.9 ± 1.4 days. Complications due to CSF drainage occurred in 5 (5.9%) patients and included partial retainment of catheter, subdural edema, epidural hematoma, headache, and bleeding near the drain site. The overall 30-day mortality rate was 5.5% and did not differ between those who received a CSF drain and those who did not (P = 0.856). The overall incidence of SCI resulting in paraplegia was 1.7% in the studied patients. CONCLUSIONS: A protocol-based CSF drainage program for spinal cord protection involves a multifaceted approach in identification and selection of patients meeting criteria for prophylactic drain placement, direct closed loop communication, and perioperative management by an experienced team. Despite the inherent advantages of CSF drain placement, it is not without complications, thus risk and benefit need to be weighed in context of the procedure and the patient with close communication and team approach.
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Enfermedades de la Aorta/cirugía , Implantación de Prótesis Vascular , Drenaje/instrumentación , Procedimientos Endovasculares , Paraplejía/prevención & control , Isquemia de la Médula Espinal/prevención & control , Anciano , Anciano de 80 o más Años , Disección Aórtica/diagnóstico por imagen , Disección Aórtica/mortalidad , Disección Aórtica/cirugía , Aneurisma Falso/diagnóstico por imagen , Aneurisma Falso/mortalidad , Aneurisma Falso/cirugía , Aneurisma de la Aorta Torácica/diagnóstico por imagen , Aneurisma de la Aorta Torácica/mortalidad , Aneurisma de la Aorta Torácica/cirugía , Enfermedades de la Aorta/diagnóstico por imagen , Enfermedades de la Aorta/mortalidad , Implantación de Prótesis Vascular/efectos adversos , Implantación de Prótesis Vascular/mortalidad , Toma de Decisiones Clínicas , Protocolos Clínicos , Drenaje/efectos adversos , Drenaje/mortalidad , Endofuga/diagnóstico por imagen , Endofuga/mortalidad , Endofuga/cirugía , Procedimientos Endovasculares/efectos adversos , Procedimientos Endovasculares/mortalidad , Femenino , Humanos , Masculino , Persona de Mediana Edad , Paraplejía/etiología , Estudios Retrospectivos , Medición de Riesgo , Factores de Riesgo , Isquemia de la Médula Espinal/etiología , Factores de Tiempo , Resultado del Tratamiento , Úlcera/diagnóstico por imagen , Úlcera/mortalidad , Úlcera/cirugíaRESUMEN
OBJECTIVES: Echocardiographic assessment of right ventricular (RV) function is based largely on visual estimation of tricuspid annulus and motion of the free wall. Regional strain analysis has provided an objective measure of myocardial performance assessment, but is limited in use by vendor-specific software. The study was designed to investigate statistical correlation between RV region-specific strain and echocardiographic parameters of RV function using a vendor-neutral RV-specific strain assessment program. DESIGN: This is a retrospective study. SETTING: Tertiary hospital. PARTICIPANTS: One hundred seven patients undergoing coronary artery bypass graft, valve repair or replacement, or a combination of procedures. INTERVENTION: None. MEASUREMENTS AND MAIN RESULTS: One hundred seven patients underwent comprehensive echocardiographic of RV function intraoperatively. Off-line analysis of global, longitudinal, and septal strain was performed using a vendor-neutral software. The 2 values were compared statistically. All pairs demonstrated strong statistical significance; the strongest relationships were between (1) RV fractional area change (FAC) (%)-RV longitudinal strain (r2â¯=â¯0.83, p < 0.001), and (2) tricuspid annular plane systolic excursion (mm)-lateral S' velocity (cm/s) (r2â¯=â¯0.80, p < 0.001). The weakest correlations were (1) RV FAC (%)-lateral S' velocity (cm/s) (r2â¯=â¯0.37, p < 0.001), and (2) lateral S' velocity (cm/s)-RV longitudinal strain (r2â¯=â¯0.40, p < 0.001). CONCLUSION: RV function can be assessed objectively by strain analyses across different platforms using the artificial intelligence-based vendor-neutral strain analysis software. There is a statistically significant correlation between strain values and conventional 2-dimensional echocardiographic parameters of RV function.