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INTRODUCTION: Advanced age is a known risk factor for poor outcomes after veno-arterial extracorporeal membrane oxygenation (V-A ECMO) for cardiac support. The use of ECMO support in patients over the age of 80 is controversial, and sometimes its use is contraindicated. We aimed to assess the use of ECMO in octogenarian patients to determine survival and complication rates. METHODS: A single-center, retrospective analysis was completed at a large, urban academic medical center. Patients requiring V-A ECMO support between December of 2012 and November of 2019 were included as long as the patient was at least 80 years of age at the time of cannulation. Post cardiotomy shock patients were excluded. RESULTS: A total of 46 patients met eligibility criteria; all received V-A ECMO support. Overall, the majority of patients (71.7%; 33/46) survived to decannulation, and 43.5% (20/46) survived to discharge. Patients who were previously rescued from percutaneous interventions tend to have a better survival than other patients (p = .06). The most common complications were renal and hemorrhagic. CONCLUSIONS: We demonstrated that advanced age alone should not disqualify patients from cannulating and supporting with V-A ECMO.
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Oxigenación por Membrana Extracorpórea , Anciano de 80 o más Años , Humanos , Oxigenación por Membrana Extracorpórea/efectos adversos , Estudios Retrospectivos , Octogenarios , Factores de Riesgo , Alta del PacienteRESUMEN
BACKGROUND: Respiratory failure (RF) is a common cause of death and morbid complication in trauma patients. Extracorporeal membrane oxygenation (ECMO) is increasingly used in adults with RF refractory to invasive mechanical ventilation. However, use of ECMO remains limited for this patient population as they often have contraindications for anticoagulation. STUDY DESIGN: Medical records were retroactively searched for all adult patients who were admitted to the trauma service and received veno-venous ECMO (VV ECMO) support between June 2015 and August 2018. Survival to discharge and ECMO-related complications were collected and analyzed. RESULTS: Fifteen patients from a large Level I trauma center met the criteria. The median PaO2/FiO2 ratio was 53.0 (IQR, 27.0-76.0), median injury severity score was 34.0 (IQR, 27.0-43.0), and the median duration of ECMO support was 11 days (IQR, 7.5-20.0). For this cohort, the survival-to-discharge rate was 87% (13/15). The incidence of neurologic complications was 13%, and deep vein thrombosis was reported in two cases (13%). CONCLUSIONS: Survival rates of trauma patients in this study are equivalent to, or may exceed, those of non-trauma patients who receive ECMO support for other types of RF. With the employment of a multidisciplinary team assessment and proper patient selection, early cannulation, traumatic RF may be safely supported with VV ECMO in experienced centers.
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Oxigenación por Membrana Extracorpórea , Insuficiencia Respiratoria , Adulto , Oxigenación por Membrana Extracorpórea/efectos adversos , Humanos , Alta del Paciente , Respiración Artificial , Insuficiencia Respiratoria/etiología , Insuficiencia Respiratoria/terapia , Estudios Retrospectivos , Resultado del TratamientoRESUMEN
The Coronavirus Disease 2019 (COVID-19) pandemic has required rapid and effective protocol adjustments at every level of healthcare. The use of extracorporeal membrane oxygenation (ECMO) is pivotal to COVID-19 treatment in cases of refractory hypoxemic hypercapnic respiratory failure. As such, our large, metropolitan air ambulance system in conjunction with our experts in advanced cardiopulmonary therapies modified protocols to assist peripheral hospitals in evaluation, cannulation and initiation of ECMO for rescue and air transportation of patients with COVID-19 to our quaternary center. The detailed protocol is described alongside initial data of its use. To date, 14 patients have been placed on ECMO support at an outside facility and successfully transported via helicopter to our hub hospital using this protocol.
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Ambulancias Aéreas , COVID-19/terapia , Oxigenación por Membrana Extracorpórea , Transporte de Pacientes , Adulto , Cuidados Críticos/métodos , Oxigenación por Membrana Extracorpórea/métodos , Femenino , Humanos , Unidades de Cuidados Intensivos , Masculino , Estudios Retrospectivos , SARS-CoV-2/aislamiento & purificación , Transporte de Pacientes/métodosRESUMEN
Although the ideal timing of tracheostomy for critically ill patients is controversial, transitioning from an endotracheal tube can be beneficial. Concerns arise for patients under extracorporeal membrane oxygenation (ECMO) support. Studies have described percutaneous and open tracheostomy approaches for critically ill patients but, to our knowledge, have not compared the two specifically in ECMO patients. This study analyzed safety and aimed to identify if there was a difference in major bleeding or other tracheostomy-associated complications. A single-center retrospective cohort study of all patients who received tracheostomy while on ECMO from July 2013 to May 2019 was completed. The primary endpoint was a significant difference in the incidence of a major bleeding adverse event at 48 hours. Secondary endpoints included differences in the incidence of complications (e.g., procedure-related mortality, ECMO decannulation, tracheal/esophageal injury, and pneumothorax/pneumomediastinum) and survival to discharge. A secondary analysis separated the groups further by comparing those with bleeding events and those without. The study included 27 ECMO patients: 16 (59%) in the percutaneous arm and 11 in the open arm. The median number of ECMO days before tracheostomy was 10 vs. 13, respectively. There were no statistically significant differences between the two groups for major bleeding events (percutaneous 44% vs. open 27%, p = .45), procedure-related mortality, or procedure-related complications. Both percutaneous and open tracheostomies in patients on ECMO require a multidisciplinary approach to minimize adverse effects. Major bleeding does occur, but there was no statistically significant correlation between bleeding events and the type of the tracheostomy approach. Thus, both open and percutaneous tracheostomy approaches have a favorable safety profile.
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Oxigenación por Membrana Extracorpórea , Traqueostomía , Hemorragia/etiología , Humanos , Complicaciones Posoperatorias , Estudios RetrospectivosRESUMEN
Although extracorporeal membrane oxygenation (ECMO) has been used in many different populations, its use in pregnant or postpartum patients has not been widely studied. This article reviews the ECMO experience in this population at a large urban hospital. Electronic medical records for all pregnant or postpartum patients who required ECMO between 2012 and 2019 were retrospectively reviewed. Data on clinical characteristics, outcomes, and complications were gathered. Comparisons between survivors and nonsurvivors were completed. Ten postpartum patients were identified. The patients presented as follows: four with cardiac arrest, one with a massive pulmonary embolism, three with acute respiratory distress syndrome (ARDS), one with combined ARDS and cardiogenic shock, and one with suspected amniotic embolism. Survival to decannulation was 70%, and survival to discharge was 60%. When comparing survivors vs. nonsurvivors, ECMO survivors tended to have shorter support times vs. nonsurvivors. Otherwise, no differences were noted in age, mechanical ventilation time, or length of stay. Disseminated intravascular coagulation was a common phenomenon in this patient cohort. After initiation of ECMO, elevated serum lactate levels, lower systolic blood pressure, and acute renal failure were predictors of mortality. In a single institution at a large metroplex, we present data regarding the use of ECMO in postpartum patients. ECMO can be successfully used in selected postpartum patients with severe cardiac or respiratory dysfunction. Multidisciplinary collaboration on a regular basis will streamline the ECMO referral in a timely manner. Furthermore, larger studies are indicated to understand the utility of ECMO in larger cohorts.
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Oxigenación por Membrana Extracorpórea , Síndrome de Dificultad Respiratoria , Femenino , Humanos , Periodo Posparto , Embarazo , Respiración Artificial , Síndrome de Dificultad Respiratoria/terapia , Estudios Retrospectivos , Resultado del TratamientoAsunto(s)
Conductos Pancreáticos , Fístula Pancreática , Stents , Humanos , Fístula Pancreática/diagnóstico por imagen , Fístula Pancreática/etiología , Fístula Pancreática/cirugía , Conductos Pancreáticos/diagnóstico por imagen , Conductos Pancreáticos/cirugía , Constricción Patológica , Resultado del Tratamiento , Masculino , Persona de Mediana Edad , Femenino , Colangiopancreatografia Retrógrada Endoscópica/instrumentaciónRESUMEN
Physical therapy (PT) benefits for critically ill patients are well recognized; however, little data exist on PT in patients receiving temporary mechanical circulatory support. In this single-center retrospective study (February 2017-January 2022), we analyzed 37 patients who received an axillary Impella device (Abiomed, Danvers, MA) and PT to "prehabilitate" them before durable left ventricular assist device (dLVAD) implantation. The Activity Measure for Post-Acute Care (AM-PAC) Basic Mobility tool assessed the functional status at different points during admission. Immediately after Impella placement, the median AM-PAC score was 12.7 (interquartile range [IQR], 9-15), and the scores continued to significantly increase to 18.4 (IQR, 16-23) before dLVAD and up to 20.7 (IQR, 19-24) at discharge, indicating improved independence. No PT-related complications were reported. Thus, we hypothesize that critically ill patients initially deemed equivocal candidates may safely participate in PT while maximizing functional activities before dLVAD placement.
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Corazón Auxiliar , Choque Cardiogénico , Humanos , Masculino , Femenino , Estudios Retrospectivos , Persona de Mediana Edad , Choque Cardiogénico/terapia , Choque Cardiogénico/cirugía , Choque Cardiogénico/fisiopatología , Anciano , Modalidades de Fisioterapia , Enfermedad CríticaRESUMEN
The Impella 5.5® (Abiomed, Danvers, MA, USA) is a microaxial flow pump that promotes left ventricular unloading and improves end-organ perfusion before durable left ventricular assist device (LVAD) implantation. Thrombus formation after Impella 5.5 insertion can occur and represents a significant challenge to device explantation. Durable LVAD implantation is typically performed without aortic cross-clamping, so a dislodged thrombus can potentially embolize and lead to catastrophic events. We describe our technique to safely explant an Impella 5.5 in patients who develop a thrombus on the inflow portion of the device before surgical LVAD implantation.
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TandemHeart (Cardiac Assist Inc., Pittsburgh, PA) is a valuable mechanical circulatory support (MCS) device that provides left atrial to femoral artery bypass and directly unloads the left ventricle. The device is inserted under fluoroscopic guidance in the cardiac catheterization laboratory without requiring invasive surgical exposure. However, this device is unique because it directly unloads the oxygenated blood from the left atrium and may be needed for postoperative support in patients undergoing various open cardiac surgeries. In this article, we provide a detailed description of the open surgical insertion of a TandemHeart device.
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Procedimientos Quirúrgicos Cardíacos , Corazón Auxiliar , Humanos , Ventrículos Cardíacos/cirugía , Atrios CardíacosRESUMEN
BACKGROUND: Delayed sternal closure may be required after left ventricular assist device (LVAD) implantation due to coagulopathy or hemodynamic instability. There is conflicting data regarding infection risk. METHODS: We performed a single-center, retrospective analysis of patients who received their first LVAD between May 2012 and January 2021. Patients were divided into delayed sternal closure (DSC) and primary sternal closure (PSC) groups. We used chi-squared or Fisher Exact tests, as appropriate, to compare the incidence of postoperative LVAD-related infections (mediastinal/sternal wound) and LVAD-specific infections (driveline and pump pocket) after definitive chest closure between these two groups. RESULTS: A total of 327 patients met eligibility criteria, including 127 (39%) patients that underwent DSC and 200 (61%) patients that had a PSC. Demographic and clinical characteristics were similar except for an overrepresentation of men (87% vs. 75%, p = .016), Interagency Registry of Mechanically Assisted Circulatory Support class I-II patients (89% vs 66%, p < .001), patients with a previous sternotomy (43% vs 13%, p < .001), and patients with chronic kidney disease (55% vs 43%, p = .030) in the DSC group. The median DSC time was 24 (IQR: 24-48) hours. The incidence of LVAD-related mediastinal/sternal wound infection was similar between the DSC and PSC groups (4.7% vs 3.0%, p = .419). There was no difference between DSC and PSC groups in the incidence of driveline infection (6.3% vs 9%, p = .411) and pump pocket infection (1.6% vs 1.5%, p =.901), respectively. CONCLUSIONS: DSC does not seem to increase the incidence of LVAD-related or LVAD-specific infection rates in heart failure patients undergoing device implantation surgery.
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Insuficiencia Cardíaca , Corazón Auxiliar , Masculino , Humanos , Estudios Retrospectivos , Corazón Auxiliar/efectos adversos , Insuficiencia Cardíaca/cirugía , Insuficiencia Cardíaca/epidemiología , Esternotomía/efectos adversos , Complicaciones Posoperatorias , Resultado del TratamientoRESUMEN
Frailty and malnutrition in patients with heart failure are barriers to durable left ventricular assist device (D-LVAD) support and heart transplantation. Moreover, cachexia in patients with advanced heart failure carries a high mortality risk. There are no guidelines for these patients other than increased caloric intake and rehabilitation. Patients suffering from cardiac cachexia and heart failure may benefit from temporary, percutaneous assist device support to improve the underlying heart disease and reverse the catabolic state. We retrospectively reviewed patients from January 2017 to January 2022. All patients who received Impella support (5.0 or 5.5, Abiomed) before D-LVAD implantation were screened. Those who met the criteria for cardiac cachexia were included. Patient demographics, nutritional and biochemical markers, and survival data were collected. A total of 14 patients were included. The majority of patients were male (85.7%) with ischemic cardiomyopathy (64.3%). Caloric intake, physical strength, and ambulation improved. Prealbumin levels improved from a median of 13.7-18.0 mg/dl ( p < 0.006) while on Impella 5.0 or 5.5 support. All patients survived to discharge and the 6 month follow-up. In conclusion, use of the Impella device improves cardiogenic shock symptoms and, consequently, may improve cachexia status prior to D-LVAD implantation.
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Insuficiencia Cardíaca , Corazón Auxiliar , Humanos , Masculino , Femenino , Estudios Retrospectivos , Caquexia/etiología , Resultado del Tratamiento , Choque Cardiogénico , Insuficiencia Cardíaca/complicaciones , Insuficiencia Cardíaca/cirugíaRESUMEN
BACKGROUND: This study assessed in-hospital outcomes of patients with chronic systolic, diastolic, or mixed heart failure (HF) undergoing transcatheter aortic valve replacement (TAVR) or surgical aortic valve replacement (SAVR). METHODS: The Nationwide Inpatient Sample database was used to identify patients with aortic stenosis and chronic HF who underwent TAVR or SAVR between 2012 and 2015. Propensity score matching and multivariate logistic regression were used to determine outcome risk. RESULTS: A cohort of 9,879 patients with systolic (27.2%), diastolic (52.2%), and mixed (20.6%) chronic HF were included. No statistically significant differences in hospital mortality were noted. Overall, patients with diastolic HF had the shortest hospital stays and lowest costs. Compared with patients with diastolic HF, the risk of acute myocardial infarction (TAVR odds ratio [OR], 1.95; 95% CI, 1.20-3.19; P = .008; SAVR OR, 1.38; 95% CI, 0.98-1.95; P = .067) and cardiogenic shock (TAVR OR, 2.15; 95% CI, 1.43-3.23; P < .001; SAVR OR, 1.89; 95% CI, 1.42-2.53; P ≤ .001) was higher in patients with systolic HF, whereas the risk of permanent pacemaker implantation (TAVR OR, 0.58; 95% CI, 0.45-0.76; P < .001; SAVR OR, 0.58; 95% CI, 0.40-0.84; P = .004) was lower following aortic valve procedures. In TAVR, the risk of acute deep vein thrombosis and kidney injury was higher, although not statistically significant, in patients with systolic HF than in those with diastolic HF. CONCLUSION: These outcomes suggest that chronic HF types do not incur statistically significant hospital mortality risk in patients undergoing TAVR or SAVR.
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Estenosis de la Válvula Aórtica , Insuficiencia Cardíaca , Implantación de Prótesis de Válvulas Cardíacas , Reemplazo de la Válvula Aórtica Transcatéter , Humanos , Válvula Aórtica/cirugía , Implantación de Prótesis de Válvulas Cardíacas/efectos adversos , Implantación de Prótesis de Válvulas Cardíacas/métodos , Resultado del Tratamiento , Factores de Riesgo , Complicaciones Posoperatorias/epidemiología , Reemplazo de la Válvula Aórtica Transcatéter/métodos , Estenosis de la Válvula Aórtica/complicaciones , Estenosis de la Válvula Aórtica/diagnóstico , Estenosis de la Válvula Aórtica/cirugía , Enfermedad Crónica , Insuficiencia Cardíaca/etiología , Mortalidad HospitalariaRESUMEN
BACKGROUND: Use of donation after cardiac death (DCD) donors has been proposed as an effective way to expand the availability of hepatic allografts used in orthotopic liver transplantation (OLT); yet, there remains no consensus in the medical literature as to how to choose optimal recipients and donors based on available information. METHODS: We queried the United Network of Organ Sharing/Organ Procurement and Transplantation Network database for hepatic DCD allografts used in OLT. As of March 31, 2011, 85,148 patients received hepatic allografts from donation-after-brain-death (DBD) donors, and 2351 patients received hepatic allografts from DCD donors. We performed survival analysis using log-rank and Kaplan-Meier tests. We performed univariate and multivariate analyses using the Cox proportional hazards model. All statistics were performed with SPSS 15.0. RESULTS: Patients receiving hepatic DCD allografts had significantly worse survival compared with patients receiving hepatic DBD allografts. Pediatric patients who received a hepatic DCD allograft had similar survival to those who received a hepatic DBD allograft. The optimal recipient-related characteristics were age <50 y, International Normalized Ratio <2.0, albumin >3.5 gm/dL, and cold ischemia time <8 h; optimal donor-related characteristics included age <50 y and donor warm ischemia time <20 min. CONCLUSIONS: By identifying certain characteristics, the transplant clinician's decision-making process can be assisted so that similar survival outcomes after OLT can be achieved with the use of hepatic DCD allografts.
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Muerte Encefálica , Bases de Datos Factuales/estadística & datos numéricos , Muerte , Selección de Donante/estadística & datos numéricos , Trasplante de Hígado/mortalidad , Adulto , Niño , Femenino , Humanos , Estimación de Kaplan-Meier , Masculino , Persona de Mediana Edad , Modelos de Riesgos Proporcionales , Donantes de Tejidos/estadística & datos numéricos , Obtención de Tejidos y Órganos/estadística & datos numéricos , Trasplante HomólogoRESUMEN
Minimally invasive aortic valve replacement through a right thoracotomy is frequently performed in patients with aortic valve disease. The Cor-Knot Device (LSI Solutions) is an automated fastener that secures valve sutures. This case report is for a patient who developed postcardiotomy shock during a minimally invasive aortic valve surgery. The patient was found to have an aortic root dissection involving 90% of the aortic root circumference, including bilateral coronary ostia. The autopsy revealed that the aortic damage could be explained by a direct aortic intimal tear from the distal tip of the device shaft. The device was most likely not in perfect apposition to the sewing ring because of the restricted angle and space between the ribs.
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Disección Aórtica , Humanos , Disección Aórtica/diagnóstico , Disección Aórtica/etiología , Disección Aórtica/cirugía , Aorta , Corazón , Toracotomía , SuturasRESUMEN
The outcomes of patients with acute myocardial infarctions (AMI) have significantly improved with advances in early reperfusion strategies; however, patients with massive infarcts or those who do not receive timely revascularization may develop mechanical complications of AMI. The most common mechanical complications are ventricular septal rupture (VSR), acute mitral regurgitation (MR) due to papillary muscle rupture, and free-wall rupture. Each complication is associated with a high risk of morbidity and mortality, and requires a multidisciplinary approach for prompt diagnosis and hemodynamic stabilization. Surgery is the mainstay of therapy but is associated with poor outcomes if performed too early during the treatment course for VSR or if performed too late with MR and free wall rupture. Optimal timing for surgery in combination with temporary circulatory support may be a feasible strategy for better results.
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Acute decompensated refractory cardiogenic shock is an emergency in which the prompt instauration of mechanical circulatory support improves outcomes. The typical, initial approach for device delivery is via femoral vessels due to easy access and safety. If longer support is needed, the femoral access will severely impair the patient's mobility and can also limit the amount of support given as the new-generation devices are too large for direct arterial insertion. Upper-body arterial conduits (UBACs) are used for the delivery of larger, percutaneous ventricular assist devices (pVADs). The Impella 5.5 (Abiomed, Danvers, MA, USA) is a pVAD that can be deployed through a UBAC by either axillary/subclavian access or a transaortic approach. The latter approach is typically used in cases of postcardiotomy shock, in which the ascending aorta is already exposed through a full sternotomy. However, in some cases, the axillary artery is not suitable due to size (<6 mm in diameter), and a smaller pVAD is delivered into the heart. To avoid providing suboptimal support, we present an alternative, minimally invasive approach in which the larger device is delivered through the ascending aorta. This article summarizes the details of this approach through a mini upper partial sternotomy and reviews the relevant technical considerations.
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Arteria Axilar , Corazón Auxiliar , Humanos , Arteria Axilar/cirugía , Esternotomía , Choque Cardiogénico/cirugía , Resultado del TratamientoRESUMEN
We present the case of a 47-year-old male patient with a history of symptomatic paroxysmal atrial fibrillation who failed guideline-directed medical treatment and cardioversion. Electrical mapping was attempted and complicated with catheter entrapping in the mitral valve (MV) apparatus, and multiple attempts for retrieval were unsuccessful and caused severe valvular dysfunction. Emergent valve replacement was required secondary to the extensive disruption of the valvular apparatus and posterior annulus. Mapping catheter entrapment in the valvular apparatus is an uncommon complication, but when it occurs, there is a high risk of injury to the MV apparatus during retrieval. To avoid extensive MV damage, operators should use minimal force during standard manoeuvres to extract the catheter. If gentle retrieval manoeuvres fail, surgical exploration and open retrieval may prevent MV damage. Early surgical consultation and exploration could result in open catheter retrieval or MV repair versus MV replacement.
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Fibrilación Atrial , Ablación por Catéter , Insuficiencia de la Válvula Mitral , Fibrilación Atrial/cirugía , Fibrilación Atrial/terapia , Catéteres , Humanos , Masculino , Persona de Mediana Edad , Válvula Mitral/diagnóstico por imagen , Válvula Mitral/cirugía , Insuficiencia de la Válvula Mitral/diagnóstico por imagen , Insuficiencia de la Válvula Mitral/etiología , Insuficiencia de la Válvula Mitral/cirugía , Resultado del TratamientoRESUMEN
Left ventricular assist devices (LVADs) implanted into patients with heart failure sometimes develop insufficient forward flow due to malfunction of the outflow graft. One increasingly seen source of outflow graft malfunction is the development of external compression of the outflow graft (ECOG) due to the accumulation of material between the flexible outflow graft and the relatively rigid overlying Gore-Tex tubular graft. When there is segmental ECOG, a percutaneous approach with outflow graft stent placement is the treatment of choice. However, we have encountered cases with diffuse ECOG for which surgery appeared to be a superior choice. We, therefore, developed a minimally invasive surgical approach in which a mini-thoracotomy, rather than redo-sternotomy, is combined with unroofing of the Gore-Tex graft and subsequent evacuation of the organized hematoma. We describe this technique in two patients with diffuse ECOG in whom we found the method to be simple, relatively rapid, and very effective.
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Insuficiencia Cardíaca/cirugía , Corazón Auxiliar/efectos adversos , Procedimientos Quirúrgicos Mínimamente Invasivos/métodos , Adulto , Anciano , Femenino , Humanos , Masculino , PolitetrafluoroetilenoRESUMEN
The increasing coincidence of obesity with heart failure may preclude eligibility for orthotopic heart transplantation, requiring continuous-flow left ventricular assist devices (LVADs) as destination therapy. This report describes intraoperative considerations for patients who underwent LVAD implantation with concurrent laparoscopic sleeve gastrectomy (LSG) to promote weight loss. In particular, right ventricular dysfunction associated with acute left ventricular unloading may be compounded by pneumoperitoneum for LSG due to the difficulty in ventilating patients with obesity, hypercarbia-mediated increase in pulmonary vascular resistance, and variable cardiac loading conditions. We identify specific anesthetic challenges and discuss methods of monitoring and management.
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Corazón Auxiliar , Laparoscopía , Obesidad Mórbida , Gastrectomía , Humanos , Obesidad Mórbida/cirugía , Estudios Retrospectivos , Resultado del TratamientoRESUMEN
Continuous-flow left ventricular assist device implantation is the typical treatment for end-stage heart failure. Improvements in device engineering and technology, surgical experience and technique, and perioperative management have advanced the field, and short-term results approach those of heart transplantation. Further improvements may be achieved by minimizing adverse physiologic effects associated with cardiopulmonary bypass. Therefore, we have developed an off-pump implantation approach for continuous-flow left ventricular assist devices. We detail our surgical technique for off-pump implantation of the HeartWare device.