as co-investigators (Centre Hospitalier d'Aix-en-Provence, France). Michael Aubourg, MSc, and Pierre Castel, MiM, provided English editing service. None of these individuals received compensation for their contributions.
Introduction COVID-19 complications can include neurological, psychiatric, psychological, and psychosocial impairments. Little is known on the consequences of SARS-COV-2 on cognitive functions of patients in the sub-acute phase of the disease. We aimed to investigate the impact of COVID-19 on cognitive functions of patients admitted to the COVID-19 Rehabilitation Unit of the San Raffaele Hospital (Milan, Italy). Material and methods 87 patients admitted to the COVID-19 Rehabilitation Unit from March 27th to June 20th 2020 were included. Patients underwent Mini Mental State Evaluation (MMSE), Montreal Cognitive Assessment (MoCA), Hamilton Rating Scale for Depression, and Functional Independence Measure (FIM). Data were divided in 4 groups according to the respiratory assistance in the acute phase: Group1 (orotracheal intubation), Group2 (non-invasive ventilation using Biphasic Positive Airway Pressure), Group3 (Venturi Masks), Group4 (no oxygen therapy). Follow-ups were performed at one month after home-discharge. Results Out of the 87 patients (62 Male, mean age 67.23 ± 12.89 years), 80% had neuropsychological deficits (MoCA and MMSE) and 40% showed mild-to-moderate depression. Group1 had higher scores than Group3 for visuospatial/executive functions (p = 0.016), naming (p = 0.024), short- and long-term memory (p = 0.010, p = 0.005), abstraction (p = 0.024), and orientation (p = 0.034). Group1 was younger than Groups2 and 3. Cognitive impairments correlated with patients’ age. Only 18 patients presented with anosmia. Their data did not differ from the other patients. FIM (<100) did not differ between groups. Patients partly recovered at one-month follow-up and 43% showed signs of post-traumatic stress disorder. Conclusion Patients with severe functional impairments had important cognitive and emotional deficits which might have been influenced by the choice of ventilatory therapy, but mostly appeared to be related to aging, independently of FIM scores. These findings should be integrated for correct neuropsychiatric assistance of COVID-19 patients in the subacute phase of the disease, and show the need for long-term psychological support and treatment of post-COVID-19 patients.
This is an open access article under the CC BY-NC license. www.medicaljournals.se/jrm REHABILITATION OF COVID-19 PATIENTS The coronavirus-2 (SARS-CoV-2) pandemic has dramatically transformed the organization of public and private health organizations of the Lombardy region, the Italian region where the viral spread has been more quick and intense (1). According to the data available on the 8 th of April 2020 from the beginning of the epidemic at the end of February, 139,422 cases and 17,669 deaths have been reported in Italy, which may underestimate the real incidence. The rapid spread of the virus has upset all hospital organizations. The Rehabilitation Hospitals, as well as the rehabilitation units of multidisciplinary institutes, have considerably changed their activity. The need for medical assistance to an increasingly higher number of patients forced the hospitals to improve the volume of intensive care beds and to convert the rehabilitation departments in COVID-19 beds. San Raffaele Scientific Institute, a large tertiary hospital and research centre in Milan, Italy, was immediately involved in the management of the public health emergency (1). After the first COVID-19 case of San Raffaele Scientific Institute of Milan, dated back on 25 th February, the 3 Rehabilitation Units were merged to create dedicated beds for coronavirus cases in less than one week. Furthermore, regional laws relieved the outpatient activities of the Rehabilitation Departments to reduce the viral spread. The nurse staff have been sent to the new COVID-19 Rehabilitation Department created for those patients coming from the Intensive Care Units. At this moment, about 40 patients are hospitalized in the Rehabilitation Department at San Raffaele Hospital. The acute respiratory syndrome caused by SARS-CoV-2 syndrome may be characterized by mild respiratory diseases or moderate-to-severe pneumonia, which can cause Acute Respiratory Distress Syndrome (ARDS) and multi-organ failure. In SARS-CoV-2 pneumonia, bilateral interstitial infiltration with serious alteration of the ventilationperfusion ratio and probably shunt, cause hypoxic respiratory insufficiency (2). Acute hypoxemia may cause obstinate dyspnoea with the need of oxygen therapy administration through High-flow nasal oxygen (HFNO), or through the application of a non-invasive positive pressure, c-PAP or NIV (with oronasal or face masks, helmets) (2, 3). Unfortunately, in case of O 2 saturation worsening, orotracheal intubation and invasive mechanical ventilation are mandatory. The pulmonary parenchyma presents focal haemorrhages and necrosis, even up to a haemorrhagic infarction. The alveolar exudate can consolidate causing
Intra‐arterial transplantation of mesoangioblasts proved safe and partially efficacious in preclinical models of muscular dystrophy. We now report the first‐in‐human, exploratory, non‐randomized open‐label phase I–IIa clinical trial of intra‐arterial HLA‐matched donor cell transplantation in 5 Duchenne patients. We administered escalating doses of donor‐derived mesoangioblasts in limb arteries under immunosuppressive therapy (tacrolimus). Four consecutive infusions were performed at 2‐month intervals, preceded and followed by clinical, laboratory, and muscular MRI analyses. Two months after the last infusion, a muscle biopsy was performed. Safety was the primary endpoint. The study was relatively safe: One patient developed a thalamic stroke with no clinical consequences and whose correlation with mesoangioblast infusion remained unclear. MRI documented the progression of the disease in 4/5 patients. Functional measures were transiently stabilized in 2/3 ambulant patients, but no functional improvements were observed. Low level of donor DNA was detected in muscle biopsies of 4/5 patients and donor‐derived dystrophin in 1. Intra‐arterial transplantation of donor mesoangioblasts in human proved to be feasible and relatively safe. Future implementation of the protocol, together with a younger age of patients, will be needed to approach efficacy.
Both motor imagery and action observation have been shown to play a role in learning or re-learning complex motor tasks. According to a well accepted view they share a common neurophysiological basis in the mirror neuron system. Neurons within this system discharge when individuals perform a specific action and when they look at another individual performing the same or a motorically related action. In the present paper, after a short review of literature on the role of action observation and motor imagery in motor learning, we report the results of a kinematics study where we directly compared motor imagery and action observation in learning a novel complex motor task. This involved movement of the right hand and foot in the same angular direction (in-phase movement), while at the same time moving the left hand and foot in an opposite angular direction (anti-phase movement), all at a frequency of 1Hz. Motor learning was assessed through kinematics recording of wrists and ankles. The results showed that action observation is better than motor imagery as a strategy for learning a novel complex motor task, at least in the fast early phase of motor learning. We forward that these results may have important implications in educational activities, sport training and neurorehabilitation.
The rapid evolution of the health emergency linked to the spread of severe acute respiratory syndrome coronavirus 2 requires specifications for the rehabilitative management of patients with coronavirus disease 2019 . The symptomatic evolution of patients with COVID-19 is characterized by 2 phases: an acute phase in which respiratory symptoms prevail and a postacute phase in which patients can show symptoms related to prolonged immobilization, to previous and current respiratory dysfunctions, and to cognitive and emotional disorders. Thus, there is the need for specialized rehabilitative care for these patients. This communication reports the experience of the San Raffaele Hospital of Milan and recommends the setup of specialized clinical pathways for the rehabilitation of patients with COVID-19. In this hospital, between February 1 and March 2, 2020, about 50 patients were admitted every day with COVID-19 symptoms. In those days, about 400 acute care beds were created (intensive care/infectious diseases). In the following 30 days, from March 2 to mid-April, despite the presence of 60 daily arrivals to the emergency department, the organization of patient flow between different wards was modified, and several different units were created based on a more accurate integration of patients' needs. According to this new organization, patients were admitted first to acute care COVID-19 units and then to COVID-19 rehabilitation units, post-COVID-19 rehabilitation units, and/or quarantine/observation units. After hospital discharge, telemedicine was used to follow-up with patients at home. Such clinical pathways should each involve dedicated multidisciplinary teams composed of pulmonologists, physiatrists, neurologists, cardiologists, physiotherapists, neuropsychologists, occupational therapists, speech therapists, and nutritionists.
BackgroundThe aim of this study was to perform a longitudinal assessment using Quantitative Muscle Testing (QMT) in a cohort of ambulant boys affected by Duchenne muscular dystrophy (DMD) and to correlate the results of QMT with functional measures. This study is to date the most thorough long-term evaluation of QMT in a cohort of DMD patients correlated with other measures, such as the North Star Ambulatory Assessment (NSAA) or thee 6-min walk test (6MWT).MethodsThis is a single centre, prospective, non-randomised, study assessing QMT using the Kin Com® 125 machine in a study cohort of 28 ambulant DMD boys, aged 5 to 12 years. This cohort was assessed longitudinally over a 12 months period of time with 3 monthly assessments for QMT and with assessment of functional abilities, using the NSAA and the 6MWT at baseline and at 12 months only. QMT was also used in a control group of 13 healthy age-matched boys examined at baseline and at 12 months.ResultsThere was an increase in QMT over 12 months in boys below the age of 7.5 years while in boys above the age of 7.5 years, QMT showed a significant decrease. All the average one-year changes were significantly different than those experienced by healthy controls. We also found a good correlation between quantitative tests and the other measures that was more obvious in the stronger children.ConclusionOur longitudinal data using QMT in a cohort of DMD patients suggest that this could be used as an additional tool to monitor changes, providing additional information on segmental strength.
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