Publications by authors named "Nossa R"

Background: Spinal cord injuries (SCIs) cause debilitating secondary conditions such as severe muscle deterioration, cardiovascular, and metabolic dysfunctions, significantly impacting patients' quality of life. Functional electrical stimulation (FES) combined with cycling exercise (FES-cycling) has shown promise in improving muscle function and health in individuals with SCI.

Objective: This pilot study aimed to investigate the potential role of multiparametric magnetic resonance imaging (MRI) to assess muscle health during and after an FES-cycling rehabilitation program.

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Background & Aims: Considerable interest has been recently given to the potential role of the gut-brain axis (GBA) -a two-way communication network between the gut microbiota and the central nervous system- in the pathogenesis of attention-deficit hyperactivity disorder (ADHD), suggesting the potential usefulness of probiotic and synbiotic supplementations. In light of the limited available evidence, synbiotic efficacy in ADHD children not taking medications should be clarified. This study aimed to investigate the efficacy of a synbiotic dietary supplementation on fatty acids levels as well as on microbiota composition, behaviour, cognition, and brain function in children with ADHD.

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Background: The use of video games in rehabilitation settings is gaining increasing popularity. However, the lack of commercial video games suitable for children with disabilities and the disappointing user experience of serious games limit their applicability. The aim of this study was to assess the usability, acceptability and user experience of GiocAbile, an active video game for children with cerebral palsy (CP).

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Children with cerebral palsy (CP) suffer deficits in their motor, sensory, and cognitive abilities, as well as in their visuospatial competences. In the last years, several authors have tried to correlate the visuospatial abilities with the navigational ones. Given their importance in everyday functions, navigation skills have been deeply studied using increasingly cutting-edge techniques such as virtual reality (VR).

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During the COVID-19 outbreak, we experienced the suspension of both work-related and spare activities, with the closure of shops, companies, services, as well as schools. Children probably are the ones who have suffered the most from this situation, due to the limited socialization with peers and boredom experienced at home. In this context, schools and childhood services tried to relieve the negative effects brought by the pandemic through actions aimed at actively engaging students and their parents in promoting child development and wellbeing.

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The aim of this review is to provide a systematic design guideline to users, particularly engineers interested in developing and deploying lung models, and biologists seeking to identify a suitable platform for conducting in vitro experiments involving pulmonary cells or tissues. We first discuss the state of the art on lung in vitro models, describing the most simplistic and traditional ones. Then, we analyze in further detail the more complex dynamic engineered systems that either provide mechanical cues, or allow for more predictive exposure studies, or in some cases even both.

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We describe the engineering design, computational modeling, and empirical performance of a moving air-liquid interface (MALI) bioreactor for the study of aerosol deposition on cells cultured on an elastic, porous membrane which mimics both air-liquid interface exposure conditions and mechanoelastic motion of lung tissue during breathing. The device consists of two chambers separated by a cell layer cultured on a porous, flexible membrane. The lower (basolateral) chamber is perfused with cell culture medium simulating blood circulation.

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The aim of this study was to identify a method for modifying the time-dependent viscoelastic properties of gels without altering the elastic component. To this end, two hydrogels commonly used in biomedical applications, agarose and acrylamide, were prepared in aqueous solutions of dextran with increasing concentrations (0%, 2% and 5% w/v) and hence increasing viscosities. Commercial polyurethane sponges soaked in the same solutions were used as controls, since, unlike in hydrogels, the liquid in these sponge systems is poorly bound to the polymer network.

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The rising number of patients needing renal replacement therapy, alongside the significant clinical and economic limitations of current therapies, creates an imperative need for new strategies to treat kidney diseases. Kidney bioengineering through the production of acellular scaffolds and recellularization with stem cells is one potential strategy. While protocols for obtaining organ scaffolds have been developed successfully, scaffold recellularization is more challenging.

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Background: Duration of effect and effectiveness limit current options for treating axillary hyperhidrosis. A new microwave procedure for treatment of axillary hyperhidrosis has been tested.

Study Design/materials And Methods: Adults with primary axillary hyperhidrosis were enrolled in a randomized, sham-controlled, blinded study.

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Background: Present vitiligo therapies require many months of treatment and often result in disappointing outcomes. Common therapeutic options include phototherapy with psoralens plus ultraviolet A (UVA) radiation and broadband or narrowband UVB radiation phototherapy. Some of these modalities require regular phototherapy sessions several times a week for up to a year to achieve a therapeutic response.

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Background: Patients with the atypical mole syndrome have multiple dysplastic nevi that appear to be randomly distributed on certain preferred anatomical sites such as the upper back. These dysplastic nevi are thought to be acquired melanocytic nevi that begin appearing at puberty. To our knowledge, the presence of agminated atypical (dysplastic) nevi has not been reported.

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Background: Sebaceous carcinoma is an aggressive neoplasm that commonly arises from the meibomian glands of the eyelids and other sebaceous glands of the ocular adnexa. Historic data indicate a nearly 30% local recurrence rate with standard surgical excision. Excision by means of Mohs micrographic surgery may be more efficacious.

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Background: Graftskin, a bilayered living skin construct, is an effective therapeutic option in the management of chronic venous ulcerations and simple acute surgical excisions. However, it is not routinely used in the management of complicated surgical wound defects.

Objective: To determine the effectiveness of graftskin as a therapeutic modality in difficult surgical defects.

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Induction therapy with all-trans -retinoic acid has been shown to improve the outcome of patients with acute promyelocytic leukemia, although some side effects occur. Dry skin and lips are among the most common cutaneous side effects. We report a case of scrotal ulcerations induced by all-trans -retinoic acid in an American patient; to our knowledge this is the first such case reported.

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The association between HIV infection and porphyria cutanea tarda (PCT) is not well established. Since almost all HIV-infected patients with PCT previously described in the literature had additional risk factors for PCT, it is still unclear if HIV infection and not a cofactor such as hepatitis C virus is the trigger for PCT in this population. We describe a patient with AIDS and hepatitis C who developed bullous lesions due to PCT.

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Background: Recently, the Pigmented Lesion Group at the University of Pennsylvania described a 4-variable model for predicting 10-year survival for patients with primary cutaneous melanoma. The variables are tumor thickness, anatomic site of the lesion, age, and gender. The objective of the current study was to test the validity of this model, employing the large data base of the New York University Melanoma Cooperative Group.

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Background And Design: Patients with large congenital melanocytic nevi have been described to have an increased risk for the development of malignant melanoma (MM). Ninety-two patients with large congenital melanocytic nevi were followed up prospectively for the development of MM. Matched individuals from the general population served as control subjects.

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