Publications by authors named "Vola M"

Article Synopsis
  • * It analyzed data from 533 adult patients divided into two groups based on different CPB flow rate targets: a low group (>2.2 L/min/m²) and a high group (>2.4 L/min/m²).
  • * Results showed significant reduction in major adverse kidney events (MAKE) at 30 days in the high flow rate group, which included lower mortality and fewer instances of renal replacement therapy compared to the low flow rate group.
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  • Type 2 diabetes (T2D) negatively impacts left ventricular (LV) remodeling and function in patients with severe aortic stenosis (AS), leading to worse cardiac outcomes despite similar AS severity compared to non-diabetics.
  • The study combined clinical assessments and biological analyses between T2D and non-diabetic patients undergoing valve replacement, revealing significant differences in gene expression related to inflammation, cardiac hypertrophy, and mitochondrial function.
  • Findings indicated that T2D is associated with reduced mitochondrial function and calcium signaling, contributing to adverse cardiac remodeling, which may inform future treatment strategies for these patients.
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  • - Papillary fibroelastomas (PFEs) are rare, benign tumors usually found on the aortic valve, with both traditional and minimally invasive removal methods being explored.
  • - This report details a case where a PFE on the aortic valve was successfully removed using a totally endoscopic, non-robotic technique.
  • - The findings suggest that this endoscopic approach leads to positive intra and post-operative results, along with quicker recovery times for patients.
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Localized melanoma is easy to remove by surgery, resulting in a high five-year relative survival rate. However, when disseminated the disease management is challenging. The use of immunotherapies, such as anti-checkpoint monoclonal antibodies, has improved treatment options but still only a small percentage of patients responds to these expensive treatments.

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Treatment of malignant melanoma has improved in the last few years owing to early detection and new therapeutic options. Still, management of advanced disease remains a challenge because it requires systemic treatment. In such cases, dacarbazine-based chemotherapy has been widely used, despite low efficacy.

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The role of circumcision in partially protecting against sexually transmitted infections (STIs) and other dermatoses has been documented. Neonatal circumcision is not routinely practiced in South America. Although it is logical to assume that male genital dermatoses are more prevalent in Hispanic men, they are underrepresented in the existing literature.

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Purpose: To determine the effect of upper blepharoplasty on corneal topography and intraocular lens power calculation using Galilei and IOLMaster.

Methods: Thirty patients submitted to upper blepharoplasty from May 2014 to March 2017 at the Hospital Oftalmológico de Sorocaba (São Paulo, Brazil) were included in this observational case series. All patients underwent imaging sessions with Galilei and IOLMaster preoperatively (baseline) and at 1 and 6 months postoperatively.

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Ultrapotent topical corticosteroids and circumcision are usually effective for male genital lichen sclerosus (MGLSc); however, refractory cases are often referred to our Male Genital Dermatology Unit. Treatment with autologous platelet-rich plasma (TPRP) has recently been advocated as a safe and effective treatment option, but there have been no prospective studies in men to date. The objective of this study is to assess the safety and efficacy of TPRP for MGLSc resistant to conventional therapy.

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Robotic assisted aortic valve surgery is still challenging and debatable. We retrospectively reviewed our cases of robotic assisted aortic valve replacement utilizing sutureless aortic valve with following surgical technique: 3 ports, 1 for endoscope and 2 for the robotic arms were inserted in the right chest and da Vinci Si robotic system (Intuitive Surgical, Sunnyvale, CA, USA) was adapted to these ports. Cardiopulmonary bypass was initiated through peripheral cannulations.

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Article Synopsis
  • Minimally invasive mitral valve surgery without aortic cross-clamp (MIMVS-WAC) shows promising outcomes for patients with secondary mitral regurgitation, particularly those with low ejection fraction or previous heart surgeries.
  • In a study involving 46 patients, the procedure involved right minithoracotomy and hypothermic cardiopulmonary bypass, with no conversions to sternotomy and a postoperative echocardiography revealing good preservation of left ventricular function in most cases.
  • The technique is deemed safe for high-risk patients, with significant improvements in heart function and minimal complications reported in both short and long-term follow-up.
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  • - The study aimed to assess changes in health-related quality of life (HRQOL) 6 months after elective cardiac surgery and identify predictors of poor HRQOL.
  • - A total of 326 patients participated, with 26.6% showing a decline in physical HRQOL and 28.2% in mental HRQOL post-surgery; factors like acute renal failure and prolonged mechanical ventilation were linked to these declines.
  • - Overall, while most patients experienced improved HRQOL after surgery, over a quarter faced deterioration, highlighting the need for clinicians to better inform patients about potential outcomes.
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Aim: We evaluated a novel approach combining the use of attenuated Salmonella immunotherapy with a Toll-like receptor agonist, imiquimod, in B16F1 melanoma-bearing mice.

Materials & Methods: B16F1 melanoma-bearing mice were daily treated with topical imiquimod in combination with one intratumoral injection of attenuated Salmonella enterica serovar Typhimurium LVR01.

Results: The combined therapy resulted in retarded tumor growth and prolonged survival.

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Background: Autoimmune inner ear disease as a cause of sensorineural hearing loss is a poorly understood entity. Thus, the role of anticochlear antibodies (ACLAs) in clinical management is still not well established.

Objective: The aims of this study were to describe the use of ACLAs in our clinical setting and to understand the clinicians' therapeutic approach in these cases.

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Purpose:: Administration of eye drops containing antihistamines or sodium cromoglycate and its derivatives for the treatment of allergic keratoconjunctivitis is often insufficient and usually requires the addition of corticosteroids. However, the risk of complications, such as glaucoma and cataract, limits the use of corticosteroids to short courses, resulting in inadequate long-term treatment response. Immunosuppressive drugs have been considered as a valid alternative to steroids for atopic keratoconjunctivitis and vernal keratoconjunctivitis.

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Background: Percutaneous coronary intervention (PCI) for bifurcation lesions (BL) using 2 stents technique is known to be associated with high rates of procedural failure especially on the side branch (SB) mainly due to stent incomplete apposition. Stent deployment at very high pressure (SDHP) may lead to better stent expansion and apposition. However, SDHP may also be at the origin of deeper wall injury resulting into major cardiac adverse events.

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  • The paper introduces an endoscopic expandable sizer designed for thoracoscopic aortic valve replacement using a sutureless prosthesis, allowing for dynamic sizing of the aortic annulus.
  • In experiments with ten aortic torsos, the feasibility of the sizing tool was confirmed, and subsequent successful implantation of sutureless valves was achieved.
  • The study concludes that the endoscopic expandable sizer is technically viable, with satisfactory valve size selection observed, although further testing with fluid dynamics is necessary before clinical trials.
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Interest is growing in the clinical use of sutureless (SU) valves. However, indications in some anatomical sub-settings, like bicuspid aortic valves (BAV), have been so far limited. We discuss herein our initial experience with the implantation of the 3f Enable SU bioprosthesis in patients with a BAV.

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  • Tissue perfusion issues significantly contribute to organ dysfunction, which can lead to worse outcomes after cardiac surgery.
  • A study analyzed 220 patients post-cardiac surgery, measuring central venous-arterial difference in CO tension (ΔCO) at various time points to evaluate its relation to outcomes.
  • The findings revealed that a low ΔCO (below 6 mmHg) was linked to higher SOFA scores and mortality rates; however, ΔCO had a low predictive value for outcomes in cardiac surgery, contrary to other surgical contexts.
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Totally endoscopic cardiac operations for coronary procedures and atrial septal defect repair have demonstrated improved quality of life, but they have required longer cross-clamp times compared with open operations. Although transcatheter valve implantation remains appropriate for inoperable patients, the totally endoscopic approach could be an effective treatment for lower risk patients, including complete removal of the stenotic aortic valve, while minimizing surgical chest wall trauma, and providing excellent early quality of life. Totally endoscopic aortic valve replacement procedures were previously performed with the 3f Enable bioprosthesis.

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