scholarly journals Postoperative right ventricular dysfunction—Integrating right heart profiles beyond long-axis function

2020 ◽  
Vol 159 (5) ◽  
pp. e315-e317
Author(s):  
André Denault ◽  
Francois Haddad ◽  
Yoan Lamarche ◽  
Nadia Bouabdallaoui ◽  
Alain Deschamps ◽  
...  
Keyword(s):  
Right Ventricular ◽  
Ventricular Dysfunction ◽  
Right Ventricular Dysfunction ◽  
Right Heart

scholarly journals Clinically inapparent right heart dysfunction is associated with reduced myofilament force development in coronary artery disease

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
C. Bening ◽  
V. L. Sales ◽  
K. Alhussini ◽  
D. Radakovic ◽  
R. Cris Benitez ◽  
...  
Keyword(s):  
Right Ventricular ◽  
Ventricular Dysfunction ◽  
Right Ventricular Dysfunction ◽  
Pentraxin 3 ◽  
Force Measurements ◽  
Right Heart ◽  
Heart Dysfunction ◽  
Force Development ◽  
Skinned Fiber ◽  
Right Heart Dysfunction

Abstract Background Right ventricular dysfunction after CABG is associated with poor peri- and postoperative outcomes. We aimed to identify clinical and experimental predictors for preoperative inapparent right ventricular dysfunction and therefore hypothesized that reduced myofilament force development as well as altered levels of biomarkers might predict inapparent right ventricular dysfunction. Methods From 08/2016 to 02/2018, 218 patients scheduled for CABG were divided into two groups (TAPSE ≥ 20 mm, n = 178; TAPSE < 20 mm, n = 40). Baseline serum samples for biomarkers (Galectin, TGFß1, N Acyl-SDMA, Arginine, ADMA and Pentraxin-3), clinical laboratory and transthoracic echocardiographic parameters were evaluated. To examine the myocardial apparatus of the right ventricle intraoperative right auricular tissue was harvested for stepwise skinned fiber force measurements. Results Patients with TAPSE < 20 mm had a higher incidence of DM (55 vs. 34%, p = 0.018), preoperative AFib (43 vs. 16%, p < 0.001), reduced GFR (67 ± 18 vs. 77 ± 24 ml/min/1.73 m2, p = 0.013), larger LA area (22 ± 6 vs. 20 ± 5 cm2, p = 0.005) and reduced LVEF (50 vs. 55%, p = 0.008). Furthermore, higher serum ADMA (0.70 ± 0.13 vs. 0.65 ± 0.15 µmol/l, p = 0.046) and higher serum Pentraxin-3 levels (3371 ± 1068 vs. 2681 ± 1353 pg/dl, p = 0.004) were observed in these patients. Skinned fiber force measurements showed significant lower values at almost every step of calcium concentration (pCa 4.52 to pCa 5.5, p < 0.01 and pCa 5.75–6.0, p < 0.05). Multivariable analysis revealed DM (OR 2.53, CI 1.12–5.73, Euro Score II (OR 1.34, CI 1.02–1.78), preoperative AF (OR 4.86, CI 2.06–11.47), GFR (OR 7.72, CI 1.87–31.96), albumin (OR 1.56, CI 0.52–2.60), Pentraxin-3 (OR 19.68, CI 14.13–25.24), depressed LVEF (OR 8.61, CI 6.37–10.86), lower force values: (pCa 5.4; OR 2.34, CI 0.40–4.29 and pCa 5.2; OR 2.00, CI 0.39–3.60) as predictors for clinical inapparent right heart dysfunction. Conclusions These preliminary data showed that inapparent right heart dysfunction in CAD is already associated with reduced force development of the contractile apparatus.

Right Heart Phenotype in Heart Failure With Preserved Ejection Fraction

2021 ◽  
Author(s):  
Marco Guazzi ◽  
Robert Naeije
Keyword(s):  
Heart Failure ◽  
Ejection Fraction ◽  
Right Ventricular ◽  
Ventricular Dysfunction ◽  
Imaging Techniques ◽  
Treatment Options ◽  
Right Ventricular Dysfunction ◽  
Preserved Ejection Fraction ◽  
Right Heart ◽  
The Right

The health burden of heart failure with preserved ejection fraction is increasingly recognized. Despite improvements in diagnostic algorithms and established knowledge on the clinical trajectory, effective treatment options for heart failure with preserved ejection fraction remain limited, mainly because of the high mechanistic heterogeneity. Diagnostic scores, big data, and phenomapping categorization are proposed as key steps needed for progress. In the meantime, advancements in imaging techniques combined to high-fidelity pressure signaling analysis have uncovered right ventricular dysfunction as a mediator of heart failure with preserved ejection fraction progression and as major independent determinant of poor outcome. This review summarizes the current understanding of the pathophysiology of right ventricular dysfunction in heart failure with preserved ejection fraction covering the different right heart phenotypes and offering perspectives on new treatments targeting the right ventricle in its function and geometry.

scholarly journals Right ventricular dysfunction and pulmonary hypertension: a neglected presentation of thyrotoxicosis

2018 ◽  
Vol 2018 ◽  
Author(s):  
Carolina Shalini Singarayar ◽  
Foo Siew Hui ◽  
Nicholas Cheong ◽  
Goay Swee En
Keyword(s):  
Heart Failure ◽  
Pulmonary Hypertension ◽  
Right Ventricular ◽  
Left Ventricular Dysfunction ◽  
Ventricular Dysfunction ◽  
Right Ventricular Dysfunction ◽  
Right Heart Failure ◽  
Left Ventricular ◽  
Newly Diagnosed ◽  
Right Heart

Summary Thyrotoxicosis is associated with cardiac dysfunction; more commonly, left ventricular dysfunction. However, in recent years, there have been more cases reported on right ventricular dysfunction, often associated with pulmonary hypertension in patients with thyrotoxicosis. Three cases of thyrotoxicosis associated with right ventricular dysfunction were presented. A total of 25 other cases of thyrotoxicosis associated with right ventricular dysfunction published from 1994 to 2017 were reviewed along with the present 3 cases. The mean age was 45 years. Most (82%) of the cases were newly diagnosed thyrotoxicosis. There was a preponderance of female gender (71%) and Graves’ disease (86%) as the underlying aetiology. Common presenting features included dyspnoea, fatigue and ankle oedema. Atrial fibrillation was reported in 50% of the cases. The echocardiography for almost all cases revealed dilated right atrial and or ventricular chambers with elevated pulmonary artery pressure. The abnormal echocardiographic parameters were resolved in most cases after rendering the patients euthyroid. Right ventricular dysfunction and pulmonary hypertension are not well-recognized complications of thyrotoxicosis. They are life-threatening conditions that can be reversed with early recognition and treatment of thyrotoxicosis. Signs and symptoms of right ventricular dysfunction should be sought in all patients with newly diagnosed thyrotoxicosis, and prompt restoration of euthyroidism is warranted in affected patients before the development of overt right heart failure. Learning points: Thyrotoxicosis is associated with right ventricular dysfunction and pulmonary hypertension apart from left ventricular dysfunction described in typical thyrotoxic cardiomyopathy. Symptoms and signs of right ventricular dysfunction and pulmonary hypertension should be sought in all patients with newly diagnosed thyrotoxicosis. Thyrotoxicosis should be considered in all cases of right ventricular dysfunction or pulmonary hypertension not readily explained by other causes. Prompt restoration of euthyroidism is warranted in patients with thyrotoxicosis complicated by right ventricular dysfunction with or without pulmonary hypertension to allow timely resolution of the abnormal cardiac parameters before development of overt right heart failure.

scholarly journals Complicated postoperative course in isolated tricuspid valve surgery: looking for predictors

2021 ◽  
Author(s):  
Alessandra Sala ◽  
Roberto Lorusso ◽  
Marta Bargagna ◽  
Stefania Ruggeri ◽  
Nicola Buzzatti ◽  
...  
Keyword(s):  
Heart Failure ◽  
Length Of Stay ◽  
Right Ventricular ◽  
Tricuspid Valve ◽  
Ventricular Dysfunction ◽  
Univariate Analysis ◽  
Right Ventricular Dysfunction ◽  
Right Heart Failure ◽  
Right Heart ◽  
Postoperative Course

Background: This study aims at better defining the profile of patients with a complicated versus non-complicated postoperative course following isolated tricuspid valve (TV) surgery to identify predictors of a favourable/unfavourable hospital outcome. Methods: All patients treated with isolated tricuspid surgery from March 1997-January 2020 at our institution were retrospectively reviewed. Considering the complexity of most of these patients, a regular postoperative course was arbitrarily defined as a length-of-stay in intensive care unit <4 days and/or postoperative length-of-stay <10days. Patients were therefore divided accordingly in two groups. Results: 172 patients were considered, among whom 97 (56.3%) had a regular (REG) and 75 (43.6%) a non-regular (NEG) postoperative course. The latter had worse baseline clinical and echocardiographic characteristics, with higher rate of renal insufficiency, previous heart failure hospitalizations, cardiac operations, and right ventricular dysfunction. NEG patients more frequently needed tricuspid replacement and experienced a greater number of complications (p<0.001) and higher in-hospital mortality (13% vs 0%, p<0.001). The majority of these complications were related to more advanced stage of the tricuspid disease. Among most important predictors of a negative outcome univariate analysis identified chronic kidney disease, ascites, previous right heart failure hospitalizations, right ventricular dysfunction, previous cardiac surgeries, TV replacement and higher MELD scores. At multivariate analysis, liver enzymes and diuretics’ dose were predictors of complicated postoperative course. Conclusions: In isolated TV surgery a complicated postoperative course is observed in patients with more advanced right heart failure and organ damage. Earlier surgical referral is associated to excellent outcomes and should be recommended.

scholarly journals Review Article: Management of Perioperative Anesthesia in Right Heart Failure

2018 ◽  
Vol 54 (1) ◽  
pp. 75
Author(s):  
Fajar Perdhana ◽  
Herdono Purnomo
Keyword(s):  
Heart Failure ◽  
Cardiac Surgery ◽  
Right Ventricular ◽  
Ventricular Dysfunction ◽  
Right Ventricular Dysfunction ◽  
Right Heart Failure ◽  
Left Ventricular ◽  
Right Ventricular Failure ◽  
Ventricular Failure ◽  
Right Heart

Right ventricular dysfunction and failure receive much less attention than the left ventricular failure. Right ventricular dysfunction or failure is associated with increased mortality rates in cardiac surgery, surgical cases other than cardiac surgery and also in patients treated in the ICU. The purpose of this article review was to describe the anatomy, physiology and pathophysiology of right ventricular failure, its detection and diagnosis, and management considerations from anesthetic point of view, including preoperative, intraoperative and postoperative stages. Cardiac surgery may result in right ventricular failure. For example, 0.1% post cardiotomy patients experience severe right heart failure and require long-term inotropic support, and so do 2-3% of post-transplant patients, and 20-30% of patients installed with instrument in his left heart. Therefore, anesthesiologists play a major role in perioperative and postoperative intensive care and are obliged to comprehend the nature of right ventricular dysfunction and failure so as to carry out early detection, prevent and manage patients with right ventricular dysfunction.

scholarly journals Autologous skeletal myoblast patch implantation prevents the deterioration of myocardial ischemia and right heart dysfunction in a pressure-overloaded right heart porcine model

PLoS ONE ◽  
2021 ◽  
Vol 16 (2) ◽  
pp. e0247381
Author(s):  
Kanta Araki ◽  
Shigeru Miyagawa ◽  
Takuji Kawamura ◽  
Ryo Ishii ◽  
Tadashi Watabe ◽  
...  
Keyword(s):  
Congenital Heart Disease ◽  
Myocardial Ischemia ◽  
Right Ventricular ◽  
Congenital Heart ◽  
Porcine Model ◽  
Ventricular Dysfunction ◽  
Right Ventricular Dysfunction ◽  
Skeletal Myoblast ◽  
Right Heart ◽  
Angiogenic Effect

Right ventricular dysfunction is a predictor for worse outcomes in patients with congenital heart disease. Myocardial ischemia is primarily associated with right ventricular dysfunction in patients with congenital heart disease and may be a therapeutic target for right ventricular dysfunction. Previously, autologous skeletal myoblast patch therapy showed an angiogenic effect for left ventricular dysfunction through cytokine paracrine effects; however, its efficacy in right ventricular dysfunction has not been evaluated. Thus, this study aimed to evaluate the angiogenic effect of autologous skeletal myoblast patch therapy and amelioration of metabolic and functional dysfunction, in a pressure-overloaded right heart porcine model. Pulmonary artery stenosis was induced by a vascular occluder in minipigs; after two months, autologous skeletal myoblast patch implantation on the right ventricular free wall was performed (n = 6). The control minipigs underwent a sham operation (n = 6). The autologous skeletal myoblast patch therapy alleviated right ventricular dilatation and ameliorated right ventricular systolic and diastolic dysfunction. 11C-acetate kinetic analysis using positron emission tomography showed improvement in myocardial oxidative metabolism and myocardial flow reserve after cell patch implantation. On histopathology, a higher capillary density and vascular maturity with reduction of myocardial ischemia were observed after patch implantation. Furthermore, analysis of mRNA expression revealed that the angiogenic markers were upregulated, and ischemic markers were downregulated after patch implantation. Thus, autologous skeletal myoblast patch therapy ameliorated metabolic and functional dysfunction in a pressure-overloaded right heart porcine model, by alleviating myocardial ischemia through angiogenesis.

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