Active clinical trials for "Hypertrophy"

Aortic valve disease is a progressive illness that varies from minor valve thickening lacking obstruction of blood stream to severe calcification and alteration of the valve leading to weakened leaflet motion. Aortic valve replacement is a usual operation but can be complicated by a small aortic annulus requiring the insertion of an aortic valve prosthesis. Prosthesis-patient discrepancy results in worse outcomes.

Infantile hypertrophic pyloric stenosis (IHPS) is the most common condition for surgical treatment in infant. Traditionally, laparoscopic or open pyloromyotomy are the standard treatments. However, because of severe dehydration, electrolyte disturbance, and malnutrition, these patients have lower tolerance about surgery and recover more slowly than usual. We are going to study the per-oral pyloromyotomy (POP), also named as gastric per-oral endoscopic myotomy (G-POEM), which showed promising results for adult gastroparesis, for a novel application of treating IHPS.

Perioperative blockage of beta-adrenoreceptors is widely used in cardiac and non-cardiac surgery to reduce the rate of cardiovascular complications. Several randomized-controlled studies and meta-analysis showed that esmolol reduces the incidence of myocardial ischemia and arrhythmias in cardiac surgery as well as enhances postoperative cardiac performance. No studies assessed the influence of esmolol in patients with hypertrophic obstructive cardiomyopathy undergoing cardiac surgery.

The objective of the study is to evaluate de results of the arthroscopic diagnose and arthroscopic treatment of the dorsal wrist pain syndrome associated with dorsal synovial hypertrophy. It is a prospective study of 25 consecutive patients with the diagnosis of dorsal wrist radiographies and MRI) have discarded other concomitant pathologies. After being refractory to the conservative measures consisting in physiotherapy for at least 3 months, a wrist arthroscopy will be performed with diagnostic and treatment objectives. All these procedures will be performed by the same surgical team. Only will be included those patients whose diagnostic arthroscopy show absence of other concomitant lesions as scapho-lunate or luno-triquetral tears, triangular fibrocartilage injuries, chondral injuries, fractures, arthritis or other injuries that will be considered as exclusion criteria. In those cases where a hypertrophy of the dorsal synovial is confirmed, an arthroscopic synovectomy and radiofrequency thermocoagulation of the hypertrophic synovial will be performed. The standard radiocarpal portals for wrist arthroscopy will be performed: 3-4 portal and 6-R portal. The pain syndrome described as dorsal localized wrist pain, especially reproductible in hyperextension and axial load of the wrist and in whom the complementary tests (plain The following data will be reviewed and analyzed: age, sex, right/left wrist, right/left-handed, anamnesis, physical exam, MRI findings, arthroscopic diagnosis and functional outcome through Mayo score as a main viable and also, VAS(visual analogue scale for pain), DASH score, grip strength measured with jamar dynamometer and articular balance. All these parameters will be registered pre-surgery and post-surgery at 6 weeks, 3 months and 12 months of the follow-up and at the end of follow-up. The minimum follow-up will be at least of 12 months.

Hypertrophic Obstructive cardiomyopathy (HOCM) is the most common genetic cardiomyopathy, heterogeneous in phenotype and clinical course. The genotype-phenotype relationship and associated molecular mechanisms are still incompletely understood. In the HOCM milieu, increased energy cost of force production, impairing performance and mitochondrial function, may be associated to patients' genotype and/or phenotype

The aim of this research was to evaluate the lingual tonsil hypertrophy (LTH) grading of patients with dysphagia using videolaryngoscopy and determine the relation of LTH grades to sociodemographic factors and clinical symptoms.

The proposed study will assess whether an interactive perioperative teaching platform (IPTP) provided to families of patients undergoing ambulatory pediatric surgery will reduce families' anxiety, and improve satisfaction and understanding, relative to current practice. The IPTP will educate patient families on the continuum of their child's surgical experience, from arriving at the hospital through registration, the operating room (OR), and the hospital floor. An active video format will be used to provide instructions for navigating the hospital; describe induction of anesthesia and the surgical procedure; and provide post-surgery and post-discharge instructions for pain management. A comparison cohort of patients undergoing surgery without access to the IPTP will be recruited to assess the benefits of the IPTP for improving metrics of family satisfaction, preoperative anxiety, and postoperative understanding of discharge instructions.

Blood flow restricted (BFR) exercise has been shown to improve skeletal muscle adaptations to resistance exercise. BFR uses blood pressure cuffs (i.e., tourniquets) to reduce skeletal muscle blood flow during resistance exercise. One benefit of BFR is that skeletal muscle adaptations to resistance exercise training including muscle hypertrophy and increases in strength can be achieved at lower-loads (e.g., 25-30% 1RM), that are often comparable to more traditional resistance training loads (70-85% 1RM). However, the impact that low-load BFR resistance exercise has on muscle quality and bioenergetics is unknown. The present study will examine the impact of 6 weeks of low-load, single-leg resistance exercise training with or without personalized BFR on measures of muscle mass, strength, quality, and mitochondrial bioenergetics. The investigators will recruit and study up to 30, previously sedentary, healthy, college-aged adults (18-40 years). The investigators will measure muscle mass using Dual Energy X-Ray Absorptiometry and muscle strength and endurance using isokinetic testing. The investigators will normalize knee extensor strength to lower limb lean mass to quantify muscle quality. The investigators will also use near infrared spectroscopy (NIRS) to measure mitochondrial oxidative capacity in the vastus lateralis. Finally, the investigators will measure markers of systemic inflammation and markers of muscle damage using commercially available ELISA assays.

Left ventricular obstruction is an invalidating complication of hypertrophic cardiomyopathies (HCM), and endothelial dysfunction has also been observed in these pathologies. However, the relation between obstruction and endothelial and venous dysfunctions has not been previously studied. The main objective is to investigate the relations between endothelial and venous dysfunctions and symptomatic left ventricular outflow-tract obstruction in HCM patients.

Hereditary hypophosphatemia encompasses rare genetic conditions characterized by renal phosphate wasting. Increased circulating levels of fibroblast growth factor 23 (FGF23), a key regulator of phosphorus metabolism, are critical to the pathophysiology of these diseases, most notably in X-linked hypophosphatemia (XLH). Increased FGF23 induces hypertrophy and scarring in the heart in part via stimulating the traditional renin-angiotensin system (RAS) pathway, angiotensin-converting enzyme (ACE)/angiotensin (Ang ll), particularly in patients with chronic kidney disease, but the effect of FGF23 on the heart in patients with FGF23-related hypophosphatemic diseases is unknown. In addition, the relationship between FGF23 and the angiotensin-converting enzyme 2 (ACE2)/angiotensin-(1-7) (Ang-(1-7) pathway of the RAS is unknown. The objective of this study is to describe the relationship between FGF23, which causes low phosphorus levels, and components of the RAS in the blood and urine to help the investigators understand why the disease occurs and how to better treat it. Subjects will be identified by querying the Electronic Medical Record according to medical diagnosis. Thirty subjects, 2-24 years of age, will be recruited from the tertiary care Pediatric Endocrinology and Pediatric Nephrology clinics at Brenner Children's Hospital. Inclusion criteria include a confirmed diagnosis of hereditary FGF23-related hypophosphatemia. Clinical data will be obtained from the Electronic Medical Record. Each subject will undergo study assessments at baseline, 6 months and 1 year that include blood work, an echocardiogram, and blood pressure measurements. The primary hypothesis is that subjects with higher Ang-(1-7) levels have lower rates of cardiac hypertrophy and thus are protected against high FGF23 levels. The secondary hypothesis is that subjects with higher Ang-(1-7) levels have lower systolic blood pressure.