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Trends in Corneal Transplantation in a Tertiary Hospital in Brazil.

PURPOSE: The purpose of this study was to analyze the evolving trends of surgical techniques and indications of corneal transplantation (CT) at a tertiary hospital in Brazil. METHODS: The medical records of all patients who underwent CT at the Hospital Oftalmológico de Sorocaba (Sorocaba Eye Hospital) from the Banco de Olhos de Sorocaba (Sorocaba Eye Bank) group in Sorocaba, Brazil, from January 1, 2012, to December 31, 2019, were analyzed. Data regarding age, sex, transplant indication, and surgical technique were collected. RESULTS: A total of 16,250 CTs were performed. There was a statist

Hematopoietic cell transplantation for sialidosis type I.

We report the clinical and laboratory follow-up data of an adolescent female with Type I Sialidosis who underwent bone marrow transplant (BMT). After BMT, plasma and urine biomarkers responded concurrently with engraftment. Neuropsychiatry data showed preservation in some domains, but she did have overall decline in motor performance. Sialidosis is a very rare lysosomal condition, and we believe this to be the first report of a case of Type I Sialidosis undergoing BMT.

Haemochromatosis in a kidney transplant recipient: a case report.

BACKGROUND: Iron overload is inevitably related to chronic kidney disease (CKD) treatment. Haemochromatosis leads to multiorgan damage and is associated with increased mortality. Primary haemochromatosis is the most common autosomal recessive disease in white populations. In most cases, the classic form of hereditary haemochromatosis is caused by mutations, mainly C282Y and H63D, in the haemochromatosis gene (HFE). Secondary haemochromatosis can be triggered by iron administration and blood transfusions. Haemochromatosis is rarely reported in kidney transplant recipients. Atypical factors may

Bone and Mineral Disease in Kidney Transplant Recipients.

After kidney transplantation, mineral and bone disorders are associated with higher risk of fractures and consequent morbidity and mortality. Disorders of calcium and phosphorus, vitamin D deficiency, and hyperparathyroidism are also common. The epidemiology of bone disease has evolved over the past several decades due to changes in immunosuppressive regimens, mainly glucocorticoid minimization or avoidance. The assessment of bone disease in kidney transplant recipients relies on risk factor recognition and bone mineral density assessment. Several drugs have been trialed for the treatment of p

Emerging role of carbon monoxide in intestinal transplantation.

Intestinal transplantation has become an established therapeutic option that provides improved quality of life to patients with end-stage intestinal failure when total parenteral nutrition fails. Whereas this challenging life-saving intervention has shown exceptional growth over the past decade, illustrating the evolution of this complex and technical procedure from its preclinical origin in the mid-20th century to become a routine clinical practice today with several recent innovations, its success is hampered by multiple hurdles including technical challenges such as surgical manipulation du

Current Trends in Liver Transplantation for Alcoholic Hepatitis.

Liver transplantation (LT) for alcohol-related or alcoholic hepatitis (AH) remains a controversial treatment option. However, recent studies have shown promising outcomes for LT in a subgroup of patients with AH. Considering these emerging data, LT as definitive therapy for severe AH refractory to medical management is gaining recognition. However, concerns of alcohol recidivism pose a significant barrier to perform LT for this indication. Predictive models can be utilized to develop a selection criterion to identify suitable candidates for LT. Hence, carefully selected patients with severe AH

Rehabilitation in Pediatric Heart Failure and Heart Transplant.

Survival of pediatric patients with heart failure has improved due to medical and surgical advances over the past decades. The complexity of pediatric heart transplant patients has increased as medical and surgical management for patients with congenital heart disease continues to improve. Quality of life in patients with heart failure and transplant might be affected by the impact on functional status that heart failure, heart failure complications or treatment might have. Functional areas affected might be motor, exercise capacity, feeding, speech and/or cognition. The goal of rehabilitation

Contemporary review of exercise in heart transplant recipients.

Heart transplantation (HTx) is a therapeutic option for a selected group of patients with end-stage heart failure. Although secondary prevention including exercise therapy is recommended in the management of patients following HTx, little information is available on their metabolic and physiological consequences in HTx. Therefore, we aimed to conduct a contemporary review the effectiveness of exercise therapy on functional capacity, cardiovascular health and health-related quality of life for adult HTx patients. We searched the database MEDLINE for articles published between January 2015 and O

Allogeneic Stem Cell Transplantation in Multiple Myeloma.

The development of new inhibitory and immunological agents and combination therapies significantly improved response rates and survival of patients diagnosed with multiple myeloma (MM) in the last decade, but the disease is still considered to be incurable by current standards and the prognosis is dismal especially in high-risk groups and in relapsed and/or refractory patients. Allogeneic hematopoietic stem cell transplantation (allo-SCT) may enable long-term survival and even cure for individual patients via an immune-mediated graft-versus-myeloma (GvM) effect, but remains controversial due t

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… Second Transplants for Multiple Myeloma Relapsing after a Previous Autotransplant—Reduced-Intensity Allogeneic vs Autologous Transplantation. Bone Marrow Transplant. 2014;49:416–421. doi: 10.1038/bmt.2013.187. 43. … Time from Autologous to Allogeneic Hematopoietic Stem Cell Transplantation Impacts Post-Transplant Outcomes in Multiple Myeloma. Bone Marrow Transplant. 2020;55:1172–1174. doi: 10.1038/s41409-019-0642-x. 76. …

Ex vivo lung perfusion in lung transplantation.

Lung transplantation is an established life-saving intervention for patients with end-stage lung diseases. The success of lung transplantation mainly depends on the quality and function of the implanted donor lungs, which are frequently subject to brain-death-induced lung injuries and intensive care unit (ICU)-related complications before transplantation. Recent innovations, particularly the development of ex vivo lung perfusion (EVLP), in which donor lungs are ventilated and perfused under normothermic conditions outside the body, have allowed clinicians to more accurately assess the donor lu

Post-Liver Transplant Acute Kidney Injury.

Acute kidney injury (AKI) is a common condition following liver transplantation (LT). It negatively impacts patient outcomes by increasing the chances of developing chronic kidney disease and reducing graft and patient survival rates. Multiple definitions of AKI have been proposed and used throughout the years, with the International Club of Ascites definition being the most widely now used for patients with cirrhosis. Multiple factors are associated with the development of post-LT AKI and can be categorized into pre-LT comorbidities, donor and recipient characteristics, operative factors, and

Early Signs of Sinoatrial Reinnervation in the Transplanted Heart.

BACKGROUND: Heart transplantation (HTx) surgically transects all connections to the heart, including the autonomic nerves. We prospectively examined signs, timing and consequences of early sympathetic and parasympathetic sinoatrial reinnervation, as well as explored indirect evidence of afferent cardiopulmonary reinnervation. METHODS: Fifty HTx recipients were assessed at 2.5, 6, and 12 mo after HTx. For comparison, 50 healthy controls were examined once. Continuous, noninvasive recordings of hemodynamic variables and heart rate variability indices were performed at supine rest, 0.2 Hz contro

Flecainide toxicity late after liver transplantation.

Flecainide is an antiarrhythmic agent indicated for patients with supraventricular arrhythmias without ischemic or structural heart disease. Flecainide toxicity is a rare condition in which patients may present with bradycardia, widening of QRS, PR prolongation, ventricular tachycardia, syncope, malaise, dizziness, visual disturbance, nausea, vomiting, and/or lethargy. It carries an associated mortality rate of approximately 10%. Herein, we describe the course of a patient who experienced flecainide toxicity in the setting of renal and liver failure.

One step forward: extracellular mitochondria transplantation.

Mitochondria play a key role in cellular energy production and contribute to cell metabolism, homeostasis, intracellular signalling and organelle's quality control, among other roles. Viable, respiratory-competent mitochondria exist also outside the cells. Such extracellular/exogenous mitochondria occur in the bloodstream, being released by platelets, activated monocytes and endothelial progenitor cells. In the nervous system, the cerebrospinal fluid contains mitochondria discharged by astrocytes. Various pathologies, including the cardiovascular and neurodegenerative diseases, are associated

Immunosuppression Considerations for Older Kidney Transplant Recipients.

PURPOSE OF REVIEW: While kidney transplantation improves the long-term survival of the majority of patients with end-stage kidney disease (ESKD), age-related immune dysfunction and associated comorbidities make older transplant recipients more susceptible to complications related to immunosuppression. In this review, we discuss appropriate management of immunosuppressive agents in older adults to minimize adverse events, avoid acute rejection, and maximize patient and graft survival. RECENT FINDINGS: Physiological changes associated with senescence can impact drug metabolism and increase the

Lung Transplantation and Simultaneous Modified Ravitch Procedure.

Lung transplantation is an established treatment for a variety of end-stage lung diseases; however, chest wall deformities such as an asymmetric pectus excavatum are often considered a contraindication for lung transplantation. Consequently, the published experience of lung transplants and simultaneous chest wall reconstruction is limited to a few case reports. This article aims to provide a detailed description of surgical steps as well as technical challenges and pitfalls of lung transplantation with a simultaneous modified Ravitch procedure. Exemplary technical aspects will be discussed for…

The Role of Echocardiography in the Management of Heart Transplant Recipients.

Transthoracic echocardiography is the primary non-invasive modality for the investigation of heart transplant recipients. It is a versatile tool that provides comprehensive information on cardiac structure and function. Echocardiography is also helpful in diagnosing primary graft dysfunction and evaluating the effectiveness of therapeutic approaches for this condition. In acute rejection, echocardiography is useful with suspected cellular or antibody-mediated rejection, with findings confirmed and quantified by endomyocardial biopsy. For identifying chronic rejection, ultrasound has a more sig

Uterus transplantation worldwide: clinical activities and outcomes.

PURPOSE OF REVIEW: Women with absolute uterine factor infertility, because of uterine absence, or the presence of a nonfunctional uterus, we … e occurred in Sweden and subsequently in other countries, including both LD and deceased donor (DD) transplants. A great majority of the recipients were women with MRKHs. The efficiency and safety of UTx can be determined only when a complete study cohort of transplanted women have reached the definitive endpoint of graft hysterectomy. The different outcomes …