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Background: Peripartum cardiomyopathy (PPCM) is a common cause of heart failure (HF) in the peripartum. Some medications are considered safe while breastfeeding. However, sacubitril/valsartan (Entresto), while efficacious, is not recommended in breastfeeding women due to concerns about adverse infant development, and no published data suggest otherwise. Objectives: This study aimed to assess the transfer of sacubitril/valsartan into human milk and evaluate the infant's risk of drug exposure. Methods: The InfantRisk Human Milk Biorepository released samples and corresponding health information from five breastfeeding maternal-infant dyads exposed to sacubitril/valsartan. Sacubitril, valsartan, and LBQ657 (sacubitril active metabolite) concentrations were determined using liquid chromatography-mass spectrometry (LC/MS/MS) from timed samples 0, 1, 2, 4, 6, 8, 10, and 12 h following medication administration at steady state conditions. Results: Valsartan levels were below the detection limit of 0.19 ng/mL in all milk samples. Sacubitril was measurable in all milk samples of the five participants, peaking 1 h after drug administration at a mean concentration of 1.52 ng/mL for a total infant dose of 0.00049 mg/kg/12 h and a relative infant dose (RID) calculated at 0.01%. The maximum concentration of its active metabolite LBQ657 in the milk samples was observed 4 h after medication administration and declined over the remaining 12-h dosing interval, for an average concentration of 9.5 ng/mL. The total infant dose was 0.00071 mg/kg/12 h, and the RID was 0.22%. Two mothers reported continuing to breastfeed while taking sacubitril/valsartan; both mothers stated observing no negative effects in their breastfed infants. Conclusion: The transfer of sacubitril/valsartan into human milk is minimal. These concentrations are unlikely to pose a significant risk to breastfeeding infants, with a combined calculated RID of <0.25%, which is far lower than the industry safety standards (RID <10%).
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Aminobutiratos , Compuestos de Bifenilo , Lactancia Materna , Combinación de Medicamentos , Leche Humana , Valsartán , Humanos , Leche Humana/química , Leche Humana/metabolismo , Femenino , Aminobutiratos/análisis , Adulto , Cromatografía Liquida , Embarazo , Espectrometría de Masas en Tándem , Recién Nacido , Tetrazoles , Lactante , Antagonistas de Receptores de Angiotensina/administración & dosificación , CardiomiopatíasRESUMEN
Radiotherapy planning for nasopharyngeal carcinoma is a complex process due to the proximity of critical structures. Volumetric modulated arc therapy (VMAT) can improve the therapeutic ratio. However, multiple treatment delivery systems offer VMAT with varying technical specifications. This study compares the dosimetric plan quality of 2 systems, Clinac-iX and Halcyon in nasopharyngeal carcinoma. We utilized contrast-enhanced computed tomography (CECT) simulation and magnetic resonance (MR) image datasets from thirty patients with nasopharyngeal carcinoma to contour target volumes and organs at risk (OARs). Two medical physicists independently performed dosimetric planning for Clinac-iX and Halcyon machines, following standard international dosimetric constraints for OARs. We compared plan quality for dosimetric profiles, indices, and plan complexity parameters from both machines. Dosimetric coverage for target volumes and plan quality indices, such as homogeneity, conformity, and coverage, showed no significant differences between Clinac-iX and Halcyon. However, Halcyon demonstrated significantly better OAR sparing, particularly for the spinal cord, optic chiasm, lenses, eyeballs and lower brain volume integral dose (BVID) (p < 0.05). Complexity parameters showed that both systems used a similar number of arcs, but Halcyon had higher monitor units and lower treatment time per fraction owing to higher dose rate. Our study results favor Halcyon for better plan quality regarding critical organ sparing, low brain volume integral dose, and fast treatment delivery. This study can be used as a reference for selecting an optimal treatment delivery system for nasopharyngeal carcinoma patients in centres equipped with multiple linear accelerators.
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Cardiac angiosarcomas are rare and generally followed by a high level of metastasis with poor median survival outcomes. Echocardiograms, CT scans, and MRIs are the standard methods for finding sites of cardiac tumors; however, immunohistochemical confirmation is necessary for a definitive diagnosis of angiosarcoma. A 58-year-old male presented to the emergency room with one week of dyspnea on moderate exertion accompanied by chest pain and alleviated with rest. A workup done to evaluate mass found a single 5 x 3.5 x 4.8 cm mass heavily vascularized by the right coronary artery and left circumflex involving the free wall of the right atrium with no extension to the tricuspid valve. Surgical resection was performed, and immunohistochemistry was consistent with a primary cardiac angiosarcoma. An exudative fluid analysis on pericardial and pleural fluid analysis may warrant screening for malignancy more frequently in concurrence with a patient's history and presentation. Although the time from onset of symptoms to diagnosis of cardiac angiosarcoma is not well established, further investigation of such correlation may offer insight into survival post-treatment.
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Atrial myxomas are the most common form of primary benign cardiac tumors. The left atrium is typically the most common location while right atrial myxomas are much rarer and only occur in about 15%-25% of all myxoma patients. Typically, left atrial myxomas have the ability to cause symptoms such as syncope. We report a case of a 67-year-old female who presented with complaints of palpitations, dizziness, and near-syncope that had been ongoing for about a year. Other causes of syncope were investigated and ruled out. A transthoracic echocardiogram (TTE) found a large 4.3 x 4.0 cm spherical mass in the right atrium which was confirmed by surgical resection and immunohistochemistry to be a myxoma. The patient's condition of syncope-like symptoms warrants elevating atrial myxomas to a higher position in the diagnostic differential.
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Purpose: Multimodality imaging can enhance the precision of tumor delineation for intensity modulated radiation therapy planning. This study aimed to analyze intermodality variation for gross tumor volume (GTV) delineation in locally advanced oropharyngeal carcinomas (LAOCs). Methods and Materials: We examined the pretreatment contrast-enhanced computed tomography (CECT), magnetic resonance imaging (MRI), and fluoro-deoxy-glucose-based positron emission tomography (FDG-PET) image data sets of 33 adult patients with primary LAOC. Automatic segmentation method was used to derive PET-based metabolic tumor volumes (MTVs) at 30%, 40%, 50%, 60%, and 70% of the primary tumor's maximum standardized uptake value (SUVmax). The geometric conformality or spatial overlap was assessed using the Dice similarity coefficient (DSC), which ranges from 0 to 1, indicating no overlap to complete overlap. Results: The size of the tumor in the anteroposterior dimension of the GTV was found to be more on CT than MRI, with a mean difference of 0.29 cm (P value .015). Overall, PET-based MTV volumes were smaller than GTVs on CT and MR. Among various intensities on PET, MTV30 was the closest match with GTV-CT/MR. The mean difference for absolute tumor volumes (GTV-CT, GTV-MR, and MTV30) was not statistically significant; however, spatial overlap by DSC score was average, that is, <0.7. DSC was 0.65 ± 0.15 between GTV-CT and GTV-MR, 0.62 ± 0.15 between GTV-CT and MTV30, and 0.576 ± 0.16 between GTV-MR and MTV30 pairs, respectively. On qualitative analysis, overall tumor extension into adjacent muscles, parotid gland, retromolar trigone, and marrow infiltration of mandible was better appreciated on MRI. Conclusions: Given the significant spatial variation, multimodality imaging can serve as an excellent complement for target volume delineation on CT scans during intensity modulated radiation therapy planning for LAOC by harnessing the improved soft tissue definition of MRI and the ability of PET to provide metabolic activity information.
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Background: Myocardial injury has been described in coronavirus-2019 (COVID-19). Few studies have reported cardiovascular imaging data with transthoracic echocardiography (TTE) and electrocardiography (ECG) findings in COVID-19 patients, and their correlation with mortality. Methods: We conducted a retrospective cohort study that included COVID-19 patients from March 2020 through February 2021 who had TTE and ECG during hospital admission. Myocardial injury was defined by an elevated high-sensitivity troponin T level > 20 ng/L. Bivariate analysis was used to compare patients with myocardial injury and those without. Multivariate logistic regression analysis was performed to identify the variables associated with mortality. Results: A total of 438 patients were included. The mean age was 62.1 ± 14.9 years, and 58.9% were male. A total of 149 patients died, with a mortality rate of 34%. A total of 260 patients (59.4%) had myocardial injury. The average left ventricular ejection fraction was 59.8% ± 11.2%, with 30 patients (6.8%) having an ejection fraction of < 40%. Patients with myocardial injury had higher mortality than those without (P < 0.05, χ2 test). A multiple regression analysis model indicated that age, race and/or ethnicity, the development of acute respiratory distress syndrome, shock, the need for vasopressors, mechanical ventilation, and hemodialysis were the variables significantly associated with mortality. Conclusion: COVID-19 patients with myocardial injury had higher mortality than those without. Age, race and/or ethnicity, acute respiratory distress syndrome, shock, the need for vasopressors, mechanical ventilation, and hemodialysis were the clinical variables associated with mortality. The TEE and ECG variables studied were not significantly associated with mortality.
Contexte: Des atteintes myocardiques ont été décrites en présence d'une infection par le coronavirus 2019 (COVID-19). Quelques études ont rapporté des données d'imagerie cardiovasculaire obtenues par échocardiographie transthoracique (ETT) et électrocardiographie (ECG) chez des patients atteints de la COVID-19, et leur corrélation avec la mortalité. Méthodologie: Nous avons mené une étude de cohorte rétrospective comprenant des patients atteints de la COVID-19 entre mars 2020 et février 2021 qui ont été soumis à une ETT ou à une ECG pendant leur hospitalisation. L'atteinte myocardique était définie comme un taux élevé de troponine T de haute sensibilité > 20 ng/L. Une analyse à deux variables a été utilisée pour comparer les patients présentant une atteinte myocardique et ceux qui n'en présentaient pas. Une analyse de régression logistique à multiples variables a été menée pour définir les variables qui étaient associées à la mortalité. Résultats: L'étude comptait un total de 438 patients. L'âge moyen était de 62,1 ± 14,9 ans; 58,9 % étaient des hommes. Un total de 149 patients sont décédés, soit un taux de mortalité de 34 %. Un total de 260 patients (59,4 %) présentaient une atteinte myocardique. La fraction d'éjection ventriculaire gauche moyenne était de 59,8 % ± 11,2 %, alors que 30 patients (6,8 %) affichaient une fraction d'éjection inférieure à 40 %. Le taux de mortalité était plus élevé chez les patients qui présentaient une atteinte myocardique que chez ceux qui n'en présentaient pas (p < 0,05, test χ2). Selon un modèle d'analyse de régression multiple, l'âge, la race et/ou l'ethnicité, l'apparition du syndrome de détresse respiratoire aiguë, l'état de choc, le besoin de vasopresseurs, la ventilation artificielle et l'hémodialyse étaient les variables fortement liées à la mortalité. Conclusion: Parmi les patients atteints de la COVID-19, la mortalité était plus élevée chez ceux qui présentaient une atteinte myocardique que chez ceux qui n'en présentaient pas. L'âge, la race et/ou l'ethnicité, le syndrome de détresse respiratoire aiguë, l'état de choc, le besoin de vasopresseurs, la ventilation artificielle et l'hémodialyse étaient les variables cliniques liées à la mortalité. Les variables d'ETT et d'ECG étudiées n'avaient pas de lien important avec la mortalité.
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Amiloidosis/diagnóstico por imagen , Compuestos de Anilina/farmacocinética , Cardiomiopatías/diagnóstico por imagen , Glicoles de Etileno/farmacocinética , Trasplante de Corazón/efectos adversos , Pulmón/diagnóstico por imagen , Complicaciones Posoperatorias/diagnóstico por imagen , Humanos , Masculino , Persona de Mediana Edad , Tomografía de Emisión de Positrones , RecurrenciaRESUMEN
INTRODUCTION: Septic cavernous sinus thrombosis (CST) is a rare disease with many etiologies and a diffuse array of initial presentation leading to high mortality. CASE: A 25-year-old male with a history of a nasal furuncle presents with an acute onset of fixed and dilated pupils, bilateral exophthalmos, hemorrhagic chemosis, elevated intraocular pressures, restricted extraocular motility, and unresponsiveness. A retinal septic emboli in the left eye is present on dilated fundoscopic exam while an exudative retinal detachment is present in the right eye. MRI/MRV revealed extensive thrombosis of cavernous sinuses, distal sigmoid dural sinuses, and proximal internal jugular veins with associated cerebral edema and multifocal areas of venous infarction. Blood cultures grew Methicillin-resistant Staphylococcus aureus and the patient suffered multi-system organ failure. Despite treatment with full dose systemic anticoagulation and broad spectrum antibiotics the patient suffered a cardiopulmonary arrest and expired. COMMENT: The acuity of onset coupled with the multiple risk factors for septic cavernous sinus thrombosis in this patient led to a fulminant presentation of this disease and ultimate poor outcome.
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Isquemia Encefálica/etiología , Trombosis del Seno Cavernoso/complicaciones , Forunculosis/complicaciones , Adulto , Resultado Fatal , Forunculosis/microbiología , Humanos , MasculinoRESUMEN
Objective: To determine radiation dose volume threshold in predicting the development of hypothyroidism in cancer patients following neck irradiation. Methods: This is a cross sectional follow up study for patients who had been previously irradiated, prior to enrolment in the study. We have done thyroid dose-volumetric analysis on 120 histologically proven cancer patients in the age group of 18-75 years who received neck irradiation as a part of their definitive or adjuvant radiotherapy with three-dimensional conformal or intensity-modulated radiotherapy technique (3D -CRT or IMRT) and completed at least six months post-radiotherapy. Primary tumor sites included carcinoma or lymphoma of the head and neck, breast, cervical, and upper thoracic esophagus, requiring neck irradiation. Results: The proportion of patients who tested positive for Radiation induced hypothyroidism (RIHT) was found to be 40%, with clinical hypothyroidism and subclinical hypothyroidism being 25.8% and 14.2%, respectively. Time to develop hypothyroidism peaks around two years. Mean thyroid gland dose (Dmean) >28 Gy, thyroid gland volume receiving 40 Gy dose (i.e. V40) >49% and age <50 years were found to be significant risk factors for the development of RIHT on binary logistic regression. RT dose >50 Gy and thyroid gland volume spared from 40 Gy (i.e. VS40) < 2.12cm3 were statistically significant predictors for RIHT on chi-square and (Receiver operating characteristic) ROC curve analysis respectively but not on regression analysis. Conclusion: Dose-volume threshold for the thyroid gland as Dmean <28 Gy and V40 <49% may prevent the development of RIHT.
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Carcinoma , Hipotiroidismo , Humanos , Adolescente , Adulto Joven , Adulto , Persona de Mediana Edad , Anciano , Estudios Transversales , Estudios de Seguimiento , Hipotiroidismo/etiologíaRESUMEN
Key Clinical Message: Infective endocarditis should be considered in any febrile individual with acute onset neurological symptoms. If suspicion is high, a negative brain computed tomography does not virtually exclude embolism, and magnetic resonance imaging is warranted. Abstract: A diagnosis of infective endocarditis (IE) is often delayed, particularly in those infected with unusual organisms. Hereby, we report a case of a female patient presented with dysarthria, confusion, and altered mental status after being treated for Escherichia coli bacteremia. Computed tomography of the brain was unrevealing; however, scattered embolic phenomena were visualized on magnetic resonance imaging (MRI). The case underscores the importance of clinical awareness, particularly in the setting of unusual microorganisms, and the role of brain MRI in the diagnosis of IE.
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Hypertrophic cardiomyopathy (HCM) is a hereditary disease with an autosomal dominant pattern of inheritance, that is caused by a mutation in one of several sarcomere genes that encodes components of the contractile system of the heart. Hypertrophic cardiomyopathy has been described as a disease that is more heavily diagnosed in the second decade of life, that may present with abnormal syncopal episodes or sudden cardiac death. However, with a better understanding of the genetic changes that occur in HCM and with improved imaging techniques, there has now been an increased recognition of a late-onset disease that can occur in the elderly population. We report a case of a 73-year-old woman who was found to have HCM after various clinical events took place.
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Cardiomiopatía Hipertrófica , Anciano , Cardiomiopatía Hipertrófica/diagnóstico , Cardiomiopatía Hipertrófica/genética , Femenino , Pruebas Genéticas/métodos , Humanos , MutaciónRESUMEN
Background: Among all types of cancers in India, head and neck cancer (HNC) accounts for 30%. Oxidative stress (OS) is one of the aetiologies for cancer. However, it is not evaluated for these patients scheduled for anticancer therapy. Therefore, in the present study, we have compared two biochemical markers in HNC patients before therapy to assess their suitability as a marker for ongoing OS in the locally advanced stage of HNC. Materials and Methods: We measured the body mass index (BMI), waist-hip ratio (WHR), blood pressure (BP), albumin, total antioxidant status (TAS), ischemia modified albumin (IMA), and albumin adjusted IMA (AdjIMA) in forty locally advanced squamous cell carcinoma HNC patients and compared with forty healthy individuals of similar age and gender. AdjIMA and TAS were compared by the receiver operating curve. Results: BMI and WHR were significantly lower in HNC patients with no difference in BP parameters. Both IMA and AdjIMA were higher and TAS was lower in HNC patients. TAS was positively associated with BMI and negatively with AdjIMA. Between AdjIMA and TAS, AdjIMA at an optimal cutoff value of 0.23 absorbance unit had higher sensitivity (71%), specificity (65%), and area under the curve (0.710 vs. 0.365). Conclusion: Antioxidant levels are grossly altered in HNC patients. AdjIMA can be considered a better marker for assessing OS in HNC patients than TAS.
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Antioxidantes , Neoplasias de Cabeza y Cuello , Antioxidantes/metabolismo , Biomarcadores/metabolismo , Humanos , Estrés Oxidativo/fisiología , Proyectos Piloto , Albúmina Sérica/metabolismo , Albúmina Sérica HumanaRESUMEN
BACKGROUND: Solitary fibrous tumor (SFT) are rare spindle cell tumors originating from the mesenchymal cells mostly from the visceral pleura. SFT was first described as a distinct entity in 1931 by Klemperer et al. Until now, we have limited data regarding the manifestation and behavior of extra pleural forms such as cardiac SFT. Here we present a case of SFT involving the pericardium where the diagnosis was made by imaging followed by biopsy findings. We also review the literature of SFT involving the heart and the management approaches. CASE PRESENTATION: An 81-year-old male presented with progressive dyspnea. Computed tomography (CT) of the chest showed a 6.2 × 5.3 cm soft tissue mass in the anterior mediastinum. Further imaging with CT angiogram showed a stalk-like connection to the pericardium. A biopsy of the mass showed spindle cells positive for BCL-2, CD34, and STAT 6, indicative of a solitary fibrous tumor. A surveillance approach was adopted for the patient. CONCLUSION: Primary pericardial tumors are exceedingly rare, with a prevalence rate of 0.001%-0.007%. Diagnosing a SFT requires a positive CD34 and BCL-2 marker. The current recommendation is resection of localized disease which has been documented to be curative in cases of benign disease however our patient was put on surveillance.
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Tumores Fibrosos Solitarios , Masculino , Humanos , Anciano de 80 o más Años , Tumores Fibrosos Solitarios/diagnóstico por imagen , Tumores Fibrosos Solitarios/cirugía , Mediastino , Tomografía Computarizada por Rayos X , BiopsiaRESUMEN
Patients with symptomatic or malignant anomalous aortic origin of the right coronary artery (AAORCA) warrant surgical treatment to decrease morbidity and mortality. Various surgical techniques have been implemented including unroofing, reimplantation and bypass grafting. A 43-year-old woman presented with intermittent chest pain due to malignant AAORCA and received saphenous bypass grafting, instead of reimplantation, due to intraoperative spasm. LEARNING POINTS: Various surgical methods are available for the management of anomalous aortic origin of the right coronary artery (AAORCA), preferably unroofing when the intramural segment can be identified.Hypoplasia of the proximal segment, an acute take-off angle, and close proximity to the intercoronary pillar or commissure are limitations to unroofing, and alternative approaches are more appropriate.Coronary artery bypass graft, with either arterial or venous graft, can be performed when unroofing and reimplantation are not feasible. Measuring the distal anastomosis flow may help with a decision regarding native coronary artery ligation. It remains undetermined whether arterial or venous grafts provide superior outcomes.
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Congestive heart failure is an uncommon initial presentation for dystrophin-deficient muscular dystrophies. Cardiac manifestations may appear in late disease stages, although they classically present after musculoskeletal symptoms develop. This case report describes a patient who presented with heart failure and was newly diagnosed with Becker muscular dystrophy. The objective is to recognize Becker muscular dystrophy as a potential cause of dilated cardiomyopathy in young patients, even in the absence of clinically overt musculoskeletal symptoms.
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Insuficiencia Cardíaca , Distrofia Muscular de Duchenne , Humanos , Adulto , Distrofia Muscular de Duchenne/complicaciones , Distrofia Muscular de Duchenne/diagnóstico , Insuficiencia Cardíaca/diagnóstico , Insuficiencia Cardíaca/etiologíaRESUMEN
The Vaccine Adverse Event Reporting System database has been used to report adverse events following several vaccines. We studied the patient population predisposed to such reactions and how these reactions differ with respect to the vaccine type. We searched the electronic databases PubMed, EMBASE, and Scopus up to 9 July 2021 for any study describing cardiac adverse events attributed to the vaccination. A total of 56 studies met the criteria comprising 340 patients. There were 20 studies describing cardiac adverse events following smallpox vaccination, 11 studies describing adverse events after influenza vaccination, and 18 studies describing adverse events after COVID-19 vaccination. There was a total of six studies describing cardiac adverse events after the pneumococcal vaccine, tetanus toxoid, cholera vaccine, and rabies vaccine. Adverse events following influenza vaccination occurred more commonly in older females within an average duration of four days from vaccination. Pericardial involvement was the most reported adverse event. Adverse events following COVID-19 vaccination happened at a mean age of 42.7 years, more commonly in males, and mostly after a second dose. Adverse events following smallpox vaccination occurred more commonly in younger males, with an average onset of symptoms from vaccination around 16.6 days. Adverse events were mostly myopericarditis; however, the acute coronary syndrome has been reported with some vaccines.
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Extraosseous Ewing's Sarcoma (EES) is a high grade rare malignancy from Ewing's family tumors (EFTs) occurring in soft tissues. Diagnosis of EES relies on a constellation of features, including round cell morphology, characteristic immunohistochemistry (such as CD99, FLI-1 and NKX2.2 positivity), and pathognomic molecular abnormalities of t(11;22)(q24;q12). Multimodality treatment has improved the prognosis and clinical outcome in EFTs. Due to its rarity, the current recommendation to treat EES is based on Skeletal Ewing's Sarcoma (SES) guidelines. However, achieving clear surgical margins in the Head and Neck region is often challenging due to complex anatomy and close proximity to critical structures, placing patients at risk of loco-regional recurrence in the absence of adjuvant therapy. The literature on head and neck EES is scarce, consisting of a few retrospective case series and case reports. Herein, we describe the characteristic clinico-pathological features and treatment of three EES patients with primaries from Parotid, Nasal cavity/ Nasopharynx and Oropharynx, with a comprehensive review of the literature. Keywords: Ewing's Family of tumors, Extraosseous Ewing's sarcoma of head and neck.
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Sarcoma de Ewing , Terapia Combinada , Humanos , Inmunohistoquímica , Estudios Retrospectivos , Sarcoma de Ewing/tratamiento farmacológico , Sarcoma de Ewing/terapiaRESUMEN
Restrictive cardiomyopathy secondary to cardiac amyloidosis is an underdiagnosed, but treatable, cause of heart failure involving an extracellular deposition of misfolded protein. Hereby, we report a case of a female patient with history of nephrotic syndrome for 1 year who subsequently presented with symptoms of heart failure. The findings on cardiac imaging supported the suspicion of cardiac amyloidosis. Further laboratory workup for amyloidosis was pursued along with endomyocardial biopsy which confirmed amyloidosis-AL type. Patient was started on chemotherapy. The case underscores the importance of a timely diagnosis with the help of symptomatology and imaging along with a multidisciplinary approach for patient care.
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Echocardiograms provide important information for the evaluation and management of patients with pulmonary hypertension. Right ventricular free wall strain measurements provide additional information about the longitudinal contractile function of the right ventricle. Clinical information, including echocardiographic measurements and right heart hemodynamic parameters, on patients undergoing right heart catheterization for evaluation of possible pulmonary hypertension was collected retrospectively. This study included 60 patients (35 women) with a mean age of 62.6 ± 14.8 years. For World Health Organization categories, 32 patients were in Group 1, 12 in Group 2, 4 in Group 3, 3 in Group 4, and 7 had mixed clinical features of both Group 2 and Group 3. The mean pulmonary artery pressure was 40.6 ± 13.2 mm Hg. The right atrial volume index had significant positive correlations with the brain natriuretic peptide level, right ventricular volume index, left atrial volume index, and right atrial pressure and negative correlations with the cardiac index and mixed venous oxygen saturation. The mean right ventricular free wall strain was -17.85 ± 5.56%; it did not have significant correlations with right heart hemodynamic parameters. Therefore, the right atrial volume index but not the right ventricular strain index provides important objective information for the evaluation of patients with possible pulmonary hypertension.
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Messenger RNA vaccines are the main COVID-19 vaccines authorized for use in the United States. Side effects are typically minor and transient. We report a case series of four subjects with an acute myocarditis-like illness following mRNA COVID-19 vaccination who were hospitalized at our hospital in Lubbock, Texas. Three patients were young men who presented with acute chest pain after the second dose of the mRNA-1273 vaccine. Another patient was a 53-year-old white woman who presented with acute left arm pain 3 days after the first dose of the mRNA-1273 vaccine. She was later found to have acute decompensated heart failure, and endomyocardial biopsy revealed eosinophilic injury-mediated myocarditis.