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The progressive improvement of the living conditions and medical care of the population in industrialized countries has led to improvement in healthcare interventions, including rehabilitation. From this perspective, Telerehabilitation (TR) plays an important role. TR consists of the application of telemedicine to rehabilitation to offer remote rehabilitation services to the population unable to reach healthcare. TR integrates therapy-recovery-assistance, with continuity of treatments, aimed at neurological and psychological recovery, involving the patient in a family environment, with an active role also of the caregivers. This leads to reduced healthcare costs and improves the continuity of specialist care, as well as showing efficacy for the treatment of cognitive disorders, and leading to advantages for patients and their families, such as avoiding travel, reducing associated costs, improving the frequency, continuity, and comfort of performing the rehabilitation in its own spaces, times and arrangements. The aim of this consensus paper is to investigate the current evidence on the use and effectiveness of TR in the cognitive field, trying to also suggest some recommendations and future perspectives. To the best of our knowledge, this is the first consensus paper among multiple expert researchers that comprehensively examines TR in different neurological diseases. Our results supported the efficacy and feasibility of TR with good adherence and no adverse events among patients. Our consensus summarizes the current evidence for the application of cognitive TR in neurological populations, highlighting the potential of this tool, but also the limitations that need to be explored further.
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BACKGROUND: The use of scapular tip chimeric free flaps (STFFs) for reconstructing mandibular defects has recently become popular, but its utility relative to other bone-containing free flaps remains debatable. The aim of the report is to describe how technical modification of STFF impacted in its use for mandibular reconstruction also commenting results obtained in a unicentric series of patients. PATIENTS AND METHODS: Patients undergoing mandibular reconstruction using an STFF from January 1, 2014 to June 1, 2022 were retrospectively enrolled in this report. We collected data on chimeric flap type, bone management, vascular pedicles, and the final outcomes. In total, 31 patients (13 men and 18 women) with a mean age of 68 years were enrolled. According to the classification system of Urken, 15 patients had body defects, while 7 had ramus defects, another 7 had symphysis defects, and 2 had both ramus and bodily defects. STFF was always harvested working in two equips simultaneously, in supine position. Dissection included preparation of chimeric components of the flap as latissimus dorsi, serratus and scapular tip. After pedicle dissection scapular bone was cut basing on reconstructive needing with a rectangular (stick) shape including the border of the scapula. In cases of longer bone harvesting, circumflex pedicle was also included to perfuse the upper portion of the scapular border. In five cases, the STFF was harvested with only the scapular angle component, and was thus a composite osteomuscular flap; for the remaining 26 cases, a chimeric STFF was used. Circumflex pedicle was included for eight patients. Six of the seven patients with symphyseal defects underwent a single osteotomy. RESULTS: The average length of the harvested was 69.92 mm (maximum length = 104 mm). The average height of transplanted bone was 26.78 mm (maximum height = 44.2 mm). Mouth-opening was normal in 25 patients, limited in 6 patients, and severely impaired in no patients. The cosmetic results were rated as excellent by 20 patients, good by 8 patients, and poor by 3 patients. CONCLUSION: The STFF is an excellent option for mandibular reconstruction when other flaps are not available and for patients in poor general condition. Technical innovations here presented made possible to harvest long bone segments with accurate shape thanks to osteotomies if needed and with adequate soft tissues components of the chimeric flap, ensuring satisfactory functional and cosmetic results.
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Retalhos de Tecido Biológico , Reconstrução Mandibular , Procedimentos de Cirurgia Plástica , Masculino , Humanos , Feminino , Idoso , Retalhos de Tecido Biológico/transplante , Reconstrução Mandibular/métodos , Estudos Retrospectivos , Escápula/transplanteRESUMO
PURPOSE: Aplasia cutis congenita (ACC) is a heterogeneous group of congenital disorders characterized by the absence of epidermis, dermis, appendages, subcutaneous tissue, and bone. The aim of the study is to describe a clinical report of ACC of the scalp treated with skin expanders. CLINICAL REPORT: In October 2019, a 16-year-old female patient underwent scalp expansion with 2 rectangular devices (150 and 250 cm3; Radovan Mentor-Johnson&Johnson). The inflation started 30 days after surgery and continued once every 7 to 10 days to gain 10% of overexpansion. After 3 months, the patient underwent the second surgical step with the expanded scalp transposed to close the defect. Clinical examination 6 months after surgery revealed an acceptable cosmetic result with a hidden surgical scar and hair growth in the previous area of frontoparietal alopecia. CONCLUSION: Skin expander for the reconstruction of extensive ACC defects of the scalp is a valid procedure.
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INTRODUCTION: Scapular tip free flap (STFF) has become today one of the workhorse flaps for maxillary reconstruction; recently, the possibility of extending the vascular supply by adding to the angular branch of the circumflex pedicle up to its periosteal entrance in the lateral border of the scapula has been proposed as a reliable technique to improve the length of perfused bone when STFF is used for mandibular reconstruction. The purpose of this study was to evaluate the patients who had received microvascular reconstruction of the mandible with STFF vascularized by both the circumflex scapular artery via the periosteal branch and the thoracodorsal artery via the angular artery. METHODS: A retrospective chart review was conducted for all patients who underwent reconstruction with an STFF for mandibular defect between January 2016 and December 2020 at the University Hospital of Parma. The outcome was evaluated by assessing dietary intake (unrestricted, soft, liquid, and tube feed) and speech (normal, intelligible, partially intelligible, and unintelligible). RESULTS: The final study sample included 9 patients (5 men and 4 women). The average patient age was 68.9 years (range, 59.9-74.8 y) at the time of surgery. There was no flap loss. A 1-year postoperative computed tomography scan revealed full osteointegration of the flap. CONCLUSIONS: Our results show that the STFF is a valuable reconstructive option, especially in patients with complex head and neck defects requiring soft and hard tissues.
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Retalhos de Tecido Biológico , Reconstrução Mandibular , Masculino , Humanos , Feminino , Pessoa de Meia-Idade , Idoso , Retalhos de Tecido Biológico/irrigação sanguínea , Reconstrução Mandibular/métodos , Estudos Retrospectivos , Mandíbula/cirurgia , EscápulaRESUMO
AIM OF THE STUDY: We introduce a technical variant of the standard preauricular approach to treat intracapsular and condylar neck fractures: the modified preauricular transparotid approach (MPTA). The main modification, when compared with the conventional submandibular approach, is that the incision of the superficial musculoaponeurotic system is performed directly above the parotid gland, and the buccal branch of the facial nerve is dissected in a retrograde way within the parotid gland. CASE SERIES: Between January 2019 and December 2020 at the Maxillofacial Departments of "Ospedale Maggiore" of Parma and "Policlinico San Martino" of Genoa 6 patients affected by intracapsular and condylar neck fractures underwent open reduction and internal with MPTA. Surgery was uneventful in all patients; no infections occurred in any of the cases; the mean procedure duration was 85 minutes, ranging from 75 to 115 minutes. At the 1-year follow-up, all patients had stable occlusion with a natural, well-balanced morphology of the face and adequate dynamic excursion of the mandible. CONCLUSION: MPTA is particularly suited for intracapsular and condylar neck fractures. Morbidity is negligible in terms of damage to the facial nerve, vascular injuries, and esthetic deformity.
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PURPOSE: Scientific literature considers maxillomandibular advancement (MMA) as the most effective surgical treatment for the management of adult obstructive sleep apnea syndrome (OSAS). Maxillomandibular advancement enlarges the pharyngeal space by expanding the skeletal framework. Moreover, it projects the soft tissue of the cheeks, the mouth, and the nose in the aging face, which is characterized by multiple signs affecting the middle third and the lower third. The potential of orthognathic surgery (double jaw surgical advancement) of expanding the skeletal foundation to increase the facial drape support and to rejuvenate the face by a "reverse face-lift" is now recognized. The aim of this study was to review the surgical outcomes after MMA in terms of respiratory function and assessment of facial esthetics. METHODS: We retrospectively reviewed the charts of all patients affected by OSAS who underwent maxillomandibular advancement between January 2010 and December 2015 in 2 tertiary hospitals (IRCCS Policlinico San Martino of Genoa and IRCCS Policlinico Ca' Granda of Milan). During the postoperative follow-up examination, all patients underwent polysomnographic examination and esthetic assessment to evaluate the respiratory function and facial rejuvenation after double jaw surgical advancement. RESULTS: The final study sample included 25 patients (5 females, 20 males). The overall success rate of the surgical treatment (apnea/hypopnea index, AHI <20) was 79%; the overall rate of surgical cure (AHI <5) was 47%. Twenty-three patients (92%) showed a degree of rejuvenation after MMA. CONCLUSIONS: Maxillomandibular advancement is currently the most effective surgical treatment for the management of OSAS in adult patients who are not responders to medical treatment. "Reverse face-lift" is the consequence of the double jaw surgical advancement.
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Avanço Mandibular , Síndromes da Apneia do Sono , Apneia Obstrutiva do Sono , Adulto , Masculino , Feminino , Humanos , Estudos Retrospectivos , Avanço Mandibular/métodos , Maxila/cirurgia , Estética Dentária , Apneia Obstrutiva do Sono/cirurgia , Resultado do TratamentoRESUMO
BACKGROUND: The principal conditions differentiating disorders of consciousness (DOC) patients are the unresponsive wakefulness syndrome/vegetative state (UWS/VS) and the minimally conscious state (MCS). Many individuals who suffer from sudden-onset severe brain injury move through stages of UWS/VS and MCS before regaining full awareness. In some patients, the DOC condition is protracted for years (PDOC). In this study, we observed PDOC patients for 6 months to assess possible changes in their level of consciousness. METHODS: We enrolled 40 PDOC patients, 23 UWS/VS and 17 MCS hosted in a dedicated unit for long-term brain injury care. The time from injury was 472 ± 533 days for UWS/VS and 1090 ± 1079 days for MCS. The Wessex Head Injury Matrix (WHIM), Coma Recovery Scale-R (CRS-R), and Nociception Coma Scale were administered monthly for 6 months. RESULTS: During the period of assessment, the percentage of UWS/VS shifted from 58 to 45%, while for the MCS, from 42 to 55%. A positive correlation was found for the UWS/VS patients between the months of observation with the CRS-R total score and WHIM total numbers of behaviors (TNB). In the UWS/VS group, the CRS-R auditive and visual subscales correlated positively with the observation time. During the whole period of observation, 8 patients had constant CRS-R total scores while the WHIM TNB changed in 7 of them. CONCLUSION: Our findings demonstrated that the monthly assessment of PDOC by means of the CRS-R and WHIM was able to detect also subtle changes in consciousness level.
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Lesões Encefálicas , Traumatismos Craniocerebrais , Humanos , Estado de Consciência/fisiologia , Coma , Transtornos da Consciência/diagnóstico , Lesões Encefálicas/diagnóstico , Vigília , Estado Vegetativo Persistente/diagnósticoRESUMO
AIM: In 2006 following the development of dedicated osteosynthesis plates, Meyer and colleagues reported a successful clinical study of condylar fractures treated by a modified submandibular approach; it was called high submandibular approach or "Strasbourg approach." The aim of this study is to describe the high submandibular approach step by step. CASE SERIES: Between January 2010 and December 2015 at the Maxillofacial Unit of the Hospital "Policlinico San Martino" 13 patients affected by subcondylar fracture underwent open reduction and internal with high submandibular approach. Surgery was uneventful in all patients; no infections occurred in any of the cases; the mean procedure duration was 89 minutes, ranging from 66 to 125 minutes. The mean hospital stay was 2.9 days, ranging from 2 to 6 days. At the 1-year follow-up, all patients had stable occlusion with a natural, well-balanced morphology of the face and adequate dynamic excursion of the mandible. CONCLUSIONS: The morbidity is negligible in terms of damage to the facial nerve, vascular injuries, and aesthetic deformity. The authors think that further prospective clinical trials are necessary to assess and eventually develop this approach.
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Fraturas Mandibulares , Humanos , Fraturas Mandibulares/diagnóstico por imagem , Fraturas Mandibulares/cirurgia , Côndilo Mandibular/cirurgia , Estética Dentária , Mandíbula/cirurgia , Nervo Facial , Fixação Interna de Fraturas/métodos , Placas ÓsseasRESUMO
Introduction: The Wessex Head Injury Matrix (WHIM) was developed to assess patients with disorders of consciousness (DOC) and was tested in terms of inter-rater reliability (IRR) and test-retest reliability (TRR) in the year 2000. The American Congress of Rehabilitation and Medicine reported that IRR and TRR were unproven. We aim to assess the reliability of the WHIM in prolonged DOC patients (PDOC). Methods: A total of 51 PDOC patients (32 unresponsive wakefulness syndrome (UWS/VS) and 19 minimally conscious state (MCS)) who were hosted in a dedicated unit for long-term brain injury care were enrolled. The time from injury ranged from 182 to 3325 days. Two raters administered the Coma Recovery Scale-Revised (CRS-R) and the WHIM to test the IRR and TRR. The TRR was administered two weeks after the first assessment. Results: For the CRS-R, the agreement in IRR and TRR was perfect between the two raters. The agreement for the WHIM ranged from substantial to almost perfect for IRR and from fair to substantial for the TRR. Conclusions: The WHIM showed a strong IRR when administered by expert raters and strongly correlated with the CRS-R. This study provides further evidence of the psychometric qualities of the WHIM and the importance of its use in PDOC patients.
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INTRODUCTION: Surgical correction of facial asymmetry is commonly performed in at least two stages. Recently, because of the long duration of a two-step procedure, the demand for a one-step procedure has increased. Our study aims to present a fully digitalized workflow for one-stage mandibular contouring (MC) and bimaxillary surgery to correct severe facial asymmetry using 3D technology. MATERIALS AND METHODS: A retrospective monocentric study was conducted for all patients affected by severe facial asymmetry who had undergone MC and orthognathic surgery between January 2018 and June 2020 at the Face Surgery Center, in Parma, Italy. RESULTS: The final study sample included 20 patients (12 women and 8 men). The mean age of the patients at the time of surgery was 20.8 years (range: 18-25 years). At the one-year follow-up, all patients had stable occlusion with a symmetric face. Mandibular angle degree (Ar-Go-Me) increased significantly from 113. 6° to 122.7° at the left side and from 113.3° to 122.7° at the right side (p < 0.05) (Table 1). The mandibular width (Go-Go) decreased from 116.5 to 106.4 mm (p < 0.05). CONCLUSION: A fully digitalized workflow for one-stage MC and bimaxillary surgery is a safe and valid option to correct facial asymmetry. CAD CAM technology is an indispensable tool to obtain predictable results. LEVEL OF EVIDENCE IV: This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .
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Cirurgia Ortognática , Humanos , Feminino , Adolescente , Adulto Jovem , Adulto , Assimetria Facial/cirurgia , Estudos Retrospectivos , ItáliaRESUMO
Mindfulness is one of the most popular psychotherapeutic techniques that help to promote good mental and physical health. Combining mindfulness with immersive virtual reality (VR) has been proven to be especially effective for a wide range of mood disorders for which traditional mindfulness has proven valuable. However, the vast majority of immersive VR-enhanced mindfulness applications have focused on clinical settings, with little evidence on healthy subjects. This narrative review evaluates the real effectiveness of state-of-the-art mindfulness interventions mediated by VR systems in influencing mood and physiological status in non-clinical populations. Only studies with an RCT study design were considered. We conclude that most studies were characterized by one single meditation experience, which seemed sufficient to induce a significant reduction in negative mood states (anxiety, anger, depression, tension) combined with increased mindfulness skills. However, physiological correlates of mindfulness practices have scarcely been investigated. The application of VR-enhanced mindfulness-based interventions in non-clinical populations is in its infancy since most studies have several limitations, such as the poor employment of the RCT study design, the lack of physiological measurements (i.e., heart rate variability), as well as the high heterogeneity in demographical data, technological devices, and VR procedures. We thus concluded that before applying mindfulness interventions mediated by VR in clinical populations, more robust and reliable methodological procedures need to be defined.
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The rehabilitation of cognitive deficits in individuals with traumatic brain injury is essential for promoting patients' recovery and autonomy. Virtual reality (VR) training is a powerful tool for reaching this target, although the effectiveness of this intervention could be interfered with by several factors. In this study, we evaluated if demographical and clinical variables could be related to the recovery of cognitive function in TBI patients after a well-validated VR training. One hundred patients with TBI were enrolled in this study and equally randomized into the Traditional Cognitive Rehabilitation Group (TCRG: n = 50) or Virtual Reality Training Group (VRTG: n = 50). The VRTG underwent a VRT with BTs-N, whereas the TCRG received standard cognitive treatment. All the patients were evaluated by a complete neuropsychological battery before (T0) and after the end of the training (T1). We found that the VR-related improvement in mood, as well as cognitive flexibility, and selective attention were influenced by gender. Indeed, females who underwent VR training were those showing better cognitive recovery. This study highlights the importance of evaluating gender effects in planning cognitive rehabilitation programs. The inclusion of different repetitions and modalities of VR training should be considered for TBI male patients.
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Clinical reports regarding the entire surgical sequence in Crouzon syndrome from the neonatal period to the adult age are rare. The purpose of this study is to trace an operative algorithm with a long term follow up in a homogenous group of patients affected by Crouzon syndrome. A retrospective review was conducted for all patients affected by Crouzon syndrome who completed the entire surgical sequence. 7 Crouzon patients (4 females, 3 males) completed the entire surgical sequence at different ages: fronto-orbital advancement (0.9 years), LF III distraction osteogenesis (11.5 years) and orthognathic surgery (18 years). The mean age at the last follow up was 19.3 years; normalization of the face was obtained in all cases with improvement of the respiratory problems. After orthognathic surgery, all patients had stable occlusion. A one-year postoperative CBCT scan revealed almost complete ossification of all osteotomy sites. Frontoorbital advancement and modified Le Fort III distraction osteogenesis are reliable surgical procedures. SARME and conventional orthognathic surgery with reductive genioplasty and fat grafting are performed at the end of the surgical sequence to enhance facial aesthetics.
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Disostose Craniofacial , Procedimentos Cirúrgicos Ortognáticos , Osteogênese por Distração , Adulto , Algoritmos , Disostose Craniofacial/diagnóstico por imagem , Disostose Craniofacial/cirurgia , Face/cirurgia , Feminino , Humanos , Recém-Nascido , Masculino , Osteogênese por Distração/métodos , Osteotomia de Le Fort/métodosRESUMO
PURPOSE: Carotid cavernous fistulas (CCFs) are abnormal connections between the cavernous sinus (CS) and carotid arteries. In direct CCFs, a transarterial route is often the preferred vascular access; in case of indirect CCFs, the complex anatomy of the feeder vessels and their extra-intracranial anastomosis makes the transarterial embolization challenging and often ineffective. The aim of this study was to review our experience with the transorbital approach to treat patients affected by CCF who have already experienced an endovascular failure procedure, in order to assess this salvage technique feasibility, by analyzing possible risks and complications. METHODS: We performed a retrospective study of all patients affected by CCFs who underwent transorbital embolization between February 2017 and February 2019 at our institution. RESULTS: All patients (3 cases) tolerated both the retrograde embolization and the direct surgical approach with clinical improvement; the closure of the fistula was complete and verified intraoperatively by angiography. Esthetic result was acceptable in all cases with reduction of the proptosis and the intraocular pressure, and increased visual acuity. There were no complications or clinical recurrence. CONCLUSION: Transorbital approach for the endovascular treatment of CCFs is a feasible and safe salvage procedure, which can find indication after other endovascular access failures.
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Fístula Carótido-Cavernosa , Seio Cavernoso , Embolização Terapêutica , Fístula , Fístula Carótido-Cavernosa/diagnóstico por imagem , Fístula Carótido-Cavernosa/cirurgia , Seio Cavernoso/diagnóstico por imagem , Seio Cavernoso/cirurgia , Estética Dentária , Humanos , Estudos RetrospectivosRESUMO
PURPOSE: Facial aging is the consequence of many mechanisms involving the bones and the "soft tissue" (skin, fat, ligaments, muscles, and periosteum) of the face such as downward migration of the soft tissue, adipose and muscular tissue atrophy, and skeletal resorption. The potential of orthognathic surgery (double jaw surgical advancement) of expanding the skeletal foundation to increase the facial drape support is now recognized and widely popularized by several authors. The aim of this study was to analyze the rejuvenation change of the face after bimaxillary advancement for orthognathic surgery, focusing on the previously mentioned stigmata of the middle and the lower third of the aging face. MATERIALS AND METHODS: A retrospective monocentric chart review was conducted for all patients affected by aging signs of the face who underwent orthognathic surgery between January 2015 and December 2019 at the Face Surgery Center (Parma, Italy). During the postoperative follow-up examination, all patients underwent anthropometric photographs and esthetic assessment to evaluate facial rejuvenation after double jaw surgical advancement. RESULTS: After application of the exclusion criteria, the final study sample included 85 patients (53 females, 32 males). Eighty-three patients (97%) showed a degree of rejuvenation after maxillo-mandibular advancement (MMA); the score of the postoperative face was less than the score of the preoperative face. Two patients reported no significant postoperative change; none reported a more aging face, with a successful "reverse face-lift" occurred in 97% of our cases. CONCLUSION: "Reverse face-lift" by bimaxillary advancement is a surgical procedure which is indicated for a selected group of middle-aged patients with a diagnosis of bimaxillary skeletal retrusion or posterior divergence very motivated to an extreme rejuvenation; this procedure provides support for the facial mask resulting in whole facial rejuvenation.
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Procedimentos Cirúrgicos Ortognáticos , Ritidoplastia , Ossos Faciais , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Procedimentos Cirúrgicos Ortognáticos/métodos , Rejuvenescimento , Estudos Retrospectivos , Ritidoplastia/métodosRESUMO
Telehealth systems have shown success in the remote management of several neurological disorders, but there is a paucity of evidence in disorders of consciousness (DOC). In this study, we explore the effectiveness of a new telemonitoring system, for monitoring Vegetative State (VS) and Minimally Conscious State (MCS) patients. This was a prospective, mono-center randomized controlled study. We included only traumatic brain injury (TBI) patients who required long-term motor/cognitive assistance having a stable clinical condition. We examined their clinical evolution over ~4 years of the follow-up period. Twenty-two TBI patients were enrolled and equally divided into two groups: one telemonitored at home with our service and the second admitted to a standard long-stay hospitalization (LSH) program. Patients enrolled in the telehealth service (age: 49.9 ± 20.4; 45% female; diagnosis: 36% VS/64% MCS) were demographically and clinically-matched with those admitted to the LSH program (age: 55.1 ± 15; 18% female; diagnosis: 54% VS/46% MCS). Thirty-six percent of patients in the LSH program died before completing follow up evaluation with respect to 18% of death in the group of TBI patients telemonitored at home. At follow-up, patients in LSH and telemonitoring groups showed similar clinical progression, as measured by CRS-r, NCS, WHIM, and LCF scales, as well as by the number of medical complications (i.e., bedsores, infections). Finally, we estimated the total daily cost per patient. Severe TBI patients enrolled in the conventional LSH program cost 262 every single day, whereas the cost per patient in the telehealth service resulted to be less expensive (93). Here, we highlight that our telehealth monitoring service is as efficacious as in-person usual care to manage a severe neurological disorder such as TBI in a cost-effective way.
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Introduction: Telerehabilitation (TR) is defined as a model of home service for motor and cognitive rehabilitation, ensuring continuity of care over time. TR can replace the traditional face-to-face approach as an alternative method of delivering conventional rehabilitation and applies to situations where the patient is unable to reach rehabilitation facilities or for low-income countries where outcomes are particularly poor. For this reason, in this study, we sought to demonstrate the feasibility and utility of a well-known TR intervention on post-stroke patients living in one of the poorest indebted regions of Italy, where the delivery of rehabilitation services is inconsistent and not uniform. Materials and Methods: Nineteen patients (13 male/6 female; mean age: 61.1 ± 8.3 years) with a diagnosis of first-ever ischemic (n = 14) or hemorrhagic stroke (n = 5), who had been admitted to the intensive rehabilitation unit (IRU) of the Institute S. Anna (Crotone, Italy), were consecutively enrolled to participate in this study. After the discharge, they continued the motor treatment remotely by means of a home-rehabilitation system. The entire TR intervention was performed (online and offline) using the Virtual Reality Rehabilitation System (VRRS) (Khymeia, Italy). All patients received intensive TR five times a week for 12 consecutive weeks (60 sessions, each session lasting about 1h). Results: We found a significant motor recovery after TR protocol as measured by the Barthel Index (BI); Fugl-Meyer motor score (FM) and Motricity Index (MI) of the hemiplegic upper limbs. Conclusions: This was the first demonstration that a well-defined virtual reality TR tool promotes motor and functional recovery in post-stroke patients living in a low-income Italian region, such as Calabria, characterized by a paucity of specialist rehabilitation services.
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The Nociception Coma Scale (NCS) and its revised version (NCS-R) were used to evaluate behavioral responses to pain in non-communicative patients. We hypothesized that if patients demonstrate changes to their NCS(-R) scores over time, their evolving behavioral abilities could indicate a forthcoming diagnostic improvement with the Coma Recovery Scale-Revised (CRS-R). Forty-three Vegetative State/Unresponsive Wakefulness Syndrome (VS/UWS) patients were enrolled in the study. The patients were assessed weekly using the CRS-R and NCS(-R) for four consecutive weeks. The first assessment was within 10 days after hospitalization. The assessments were performed between 09:30 and 11:30 AM in a room with constant levels of humidity, light and temperature, as well as an absence of transient noise. Noxious stimuli were administered using a Newton-meter, with pressure applied to the fingernail bed for a maximum of 5 s unless interrupted by a behavioral response from subjects. Seventeen patients demonstrated improvements in their level of consciousness, 13 of whom showed significant behavioral changes through the NCS(-R) before being diagnosed with a Minimally Conscious State (MCS) according to the CRS-R. The behavioral changes observed using the NCS(-R) corresponded to a high probability of observing an improvement from VS/UWS to MCS. To characterize the increased likelihood of this transition, our results present threshold scores of ≥5 for the NCS (accuracy 86%, sensitivity 87%, and specificity 86%) and ≥3 for the NCS-R (accuracy 77%, sensitivity 89%, and specificity 73%). In conclusion, a careful evaluation of responses to nociceptive stimuli in DOC patients could constitute an effective procedure in assessing their evolving conscious state.
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The assessment of the consciousness level of Unresponsive Wakefulness Syndrome (UWS) patients often depends on a subjective interpretation of the observed spontaneous and volitional behavior. To date, the misdiagnosis level is around 30%. The aim of this study was to observe the behavior of UWS patients, during the administration of noxious stimulation by a Trace Conditioning protocol, assessed by the Galvanic Skin Response (GSR) and Heart Rate Variability (HRV) entropy. We recruited 13 Healthy Control (HC) and 30 UWS patients at 31 ± 9 days from the acute event evaluated by Coma Recovery Scale-Revised (CRS-R) and Nociception Coma Scale (NCS). Two different stimuli [musical stimulus (MUS) and nociceptive stimulus (NOC)], preceded, respectively by two different tones, were administered following the sequences (A) MUS1 - NOC1 - MUS2 - MUS3 - NOC2 - MUS4 - NOC3 - NOC*, and (B) MUS1*, NOC1*, NOC2*, MUS2*, NOC3*, MUS3*, NOC4*, MUS4*. All the (*) indicate the only tones administration. CRS-R and NCS assessments were repeated for three consecutive weeks. MUS4, NOC3, and NOC* were compared for GSR wave peak magnitude, time to reach the peak, and time of wave's decay by Wilcoxon's test to assess the Conditioned Response (CR). The Sample Entropy (SampEn) was recorded in baseline and both sequences. Machine Learning approach was used to identify a rule to discriminate the CR. The GSR magnitude of CR was higher comparing music stimulus (p < 0.0001) and CR extinction (p < 0.002) in nine patients and in HC. Patients with CR showed a higher SampEn in sequence A compared to patients without CR. Within the third and fourth weeks from protocol administration, eight of the nine patients (88.9%) evolved into MCS. The Machine-learning showed a high performance to differentiate presence/absence of CR (≥95%). The possibility to observe the CR to the noxious stimulus, by means of the GSR and SampEn, can represent a potential method to reduce the misdiagnosis in UWS patients.