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MR-guided focused ultrasound (MRgFUS) has proven its efficacy and safety for the treatment of essential tremor (ET) and/or Parkinson's disease (PD). However, having a cardiac pacemaker has been considered an exclusion criterion for the use of MRgFUS. Only 2 patients with a cardiac pacemaker treated with MRgFUS have been previously reported, both treated using 1.5-T MRI. In this paper, the authors present their experience performing 3-T MRgFUS thalamotomy in 4 patients with an implanted cardiac pacemaker. Treatments were uneventful regarding complications or severe side effects. MRgFUS using 3-T MRI was found to be an efficient and safe treatment for ET and/or PD in patients with an MRI-compatible pacemaker.
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Temblor Esencial , Imagen por Resonancia Magnética , Marcapaso Artificial , Tálamo , Humanos , Tálamo/cirugía , Tálamo/diagnóstico por imagen , Masculino , Anciano , Femenino , Temblor Esencial/cirugía , Temblor Esencial/diagnóstico por imagen , Imagen por Resonancia Magnética/métodos , Persona de Mediana Edad , Temblor/cirugía , Temblor/etiología , Temblor/diagnóstico por imagen , Enfermedad de Parkinson/cirugía , Enfermedad de Parkinson/diagnóstico por imagen , Enfermedad de Parkinson/complicaciones , Anciano de 80 o más Años , Ultrasonido Enfocado de Alta Intensidad de Ablación/métodosRESUMEN
BACKGROUND: Intraoperative ultrasound (IOUS) is a profitable tool for neurosurgical procedures' assistance, especially in neuro-oncology. It is a rapid, ergonomic and reproducible technique. However, its known handicap is a steep learning curve for neurosurgeons. Here, we describe an interesting postoperative analysis that provides extra feedback after surgery, accelerating the learning process. METHOD: We conducted a descriptive retrospective unicenter study including patients operated from intra-axial brain tumors using neuronavigation (Curve, Brainlab) and IOUS (BK-5000, BK medical) guidance. All patients had preoperative Magnetic Resonance Imaging (MRI) prior to tumor resection. During surgery, 3D neuronavigated IOUS studies (n3DUS) were obtained through craniotomy N13C5 transducer's integration to the neuronavigation system. At least two n3DUS studies were obtained: prior to tumor resection and at the resection conclusion. A postoperative MRI was performed within 48 h. MRI and n3DUS studies were posteriorly fused and analyzed with Elements (Brainlab) planning software, permitting two comparative analyses: preoperative MRI compared to pre-resection n3DUS and postoperative MRI to post-resection n3DUS. Cases with incomplete MRI or n3DUS studies were withdrawn from the study. RESULTS: From April 2022 to March 2024, 73 patients were operated assisted by IOUS. From them, 39 were included in the study. Analyses comparing preoperative MRI and pre-resection n3DUS showed great concordance of tumor volume (p < 0,001) between both modalities. Analysis comparing postoperative MRI and post-resection n3DUS also showed good concordance in residual tumor volume (RTV) in cases where gross total resection (GTR) was not achieved (p < 0,001). In two cases, RTV detected on MRI that was not detected intra-operatively with IOUS could be reviewed in detail to recheck its appearance. CONCLUSIONS: Post-operative comparative analyses between IOUS and MRI is a valuable tool for novel ultrasound users, as it enhances the amount of feedback provided by cases and could accelerate the learning process, flattening this technique's learning curve.
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Neoplasias Encefálicas , Curva de Aprendizaje , Imagen por Resonancia Magnética , Neuronavegación , Humanos , Neoplasias Encefálicas/cirugía , Neoplasias Encefálicas/diagnóstico por imagen , Neoplasias Encefálicas/patología , Estudios Retrospectivos , Imagen por Resonancia Magnética/métodos , Masculino , Neuronavegación/métodos , Persona de Mediana Edad , Femenino , Adulto , Anciano , Procedimientos Neuroquirúrgicos/métodos , Procedimientos Neuroquirúrgicos/educación , Monitoreo Intraoperatorio/métodos , Ultrasonografía Intervencional/métodosRESUMEN
BACKGROUND Stevens-Johnson syndrome (SJS) is a rare dermatologic disorder that is characterized by nonspecific flu-like prodrome with fever, malaise, myalgia, cough, rhinitis, and sore eyes, followed by a characteristic rash and mucocutaneous manifestations. It is triggered by medications in up to 80% of cases in adults. In each of these cases, the medication is oral or parenteral. Severe and progressive SJS can result in life-threatening complications. Adult-onset medication-induced SJS presents within 8 weeks of exposure to the offending substance, lasting 8 to 12 days. Recovery of denuded skin generally is complete within a month. There is no consensus on treatment, but supportive care with corticosteroids is often the initial intervention. CASE REPORT A 36-year-old woman with a flare of allergic rhinitis and tearing resistant to over-the-counter options was treated with topical ophthalmic ofloxacin. She began experiencing a diffuse mucocutaneous rash, with oral desquamation, tongue swelling, vaginal desquamation, and rash of the palms and soles within 24 h, which suggested the possibility of SJS. A skin biopsy was obtained, and pathology confirmed this suspicion. She was treated with parenteral antibiotics, corticosteroids, and supportive care, and after 10 days was discharged from the hospital. She had a complete recovery in 30 days. CONCLUSIONS The clinical course of SJS induced by the ophthalmic application of medication can be just as severe as the oral or parenteral routes. This is, to the best of our knowledge, the first documented case of SJS being triggered by topical ofloxacin.
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Exantema , Síndrome de Stevens-Johnson , Adulto , Femenino , Humanos , Ofloxacino/efectos adversos , Síndrome de Stevens-Johnson/diagnóstico , Síndrome de Stevens-Johnson/etiología , Antibacterianos/efectos adversos , Corticoesteroides/uso terapéuticoRESUMEN
Various stability criteria developed for high-entropy alloys are applied to compositions produced by mechanical alloying. While they agree with the annealed samples, these criteria fail to describe the as-milled metastable systems, highlighting the ability of mechanical alloying to overcome the limitations imposed by these criteria. The criteria are based on atomic size (Ω ≥ 1.1 and δr ≤ 6.6%) and/or electronegativity misfit, as well as on mixing enthalpy (Λ>0.95 J mol-1K-1 and -5 kJ mol-1<∆Hmix<0), or purely thermodynamic (ÏYe>20; ÏKing>1; Teff<500 K). These criteria are applied to several compositions found in the literature and to two metastable fcc solid solutions produced by mechanical alloying with compositions Al0.75CoXFeNi with X = Cr and Mn. Single-phase microstructures are stable up to above 600 K, leading to more stable multiphase systems after annealing above this temperature. Mössbauer spectrometry shows that, whereas the alloy with Cr is paramagnetic in the as-milled and annealed state, the alloy with Mn changes from paramagnetic to ferromagnetic behavior (Curie temperature ~700 K) after annealing. Thermomagnetic experiments on annealed samples show for both compositions some hysteretic events at high temperatures (850 to 1000 K), probably ascribed to reversible ordering phenomena.
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Comparative organizational network analysis makes it possible to identify the similarities and differences between organizations according to the content of their networks. This research is a comparative study of organizational networks based on formal power. To accomplish this goal, networks were developed in three organizations from different sectors with workers distributed in high, middle and operational levels in the organizational hierarchy. For the study, 100% of the workers within the identified networks were included. The results indicated that, considering centrality and connectivity network indices, there were no statistically significant differences between organizations according to formal power network behavior. However, we obtained statistically significant differences in terms connectivity and centrality considering the workers' hierarchy. The representative nodes of high and middle hierarchical levels had higher indices of connectivity and centrality than the nodes representative of the operational level. This study makes it possible to identify the formal roles within networks based on legitimate power, which can serve as a basis for decision-making processes and resource allocations, for the strategic use of the networks created.
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OBJECTIVE: Venous hypertension associated with a primitive basal vein of Rosenthal (BVR) has been noted as the most likely cause of idiopathic subarachnoid hemorrhage (iSAH). Other types of venous drainage variations have been scarcely studied but may further explain the cases not associated with a BVR anomaly. Our aim was to investigate if dural venous sinus (DVS) anomalies are related with iSAH. METHODS: A total of 76 patients diagnosed with iSAH were identified from a prospectively maintained database and their angiographic findings compared with 76 patients diagnosed with aneurysmal subarachnoid hemorrhage. RESULTS: On top of the BVR variations, our data showed a higher prevalence of transverse sinus hypoplasia (47.4% vs. 28.9%; P = 0.019), superior petrosal sinus hypoplasia (32.9% vs. 13.2%; P = 0.003), and clival plexus hyperplasia (65.8% vs. 43.4%; P = 0.005) in patients with iSAH. Analyzing by total number of angiograms, the iSAH group showed also a higher prevalence of inferior petrosal sinus hyperplasia (36.2% vs. 25%; P = 0.003). Of the patients with iSAH without a primitive BVR, 84% harbored ≥1 perimesencephalic DVS variation and the overall number of venous drainage variations was significantly higher in patients with iSAH. CONCLUSIONS: In addition to the well-documented BVR anomalies, there seems to be a significant relationship of other DVS variations in patients with iSAH. Transverse sinus hypoplasia, superior petrosal sinus hypoplasia, inferior petrosal sinus hyperplasia, and clival plexus hyperplasia were significantly more frequent in patients with iSAH. The presence of ≥3 of those variations would increase the suspicion of a nonaneurysmatic subarachnoid hemorrhage and could help avoid a second angiogram.
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Senos Craneales/patología , Hemorragia Subaracnoidea/diagnóstico , Hemorragia Subaracnoidea/patología , Angiografía Cerebral , Venas Cerebrales/fisiopatología , Senos Craneales/anomalías , Bases de Datos Factuales , Femenino , Humanos , Hiperplasia/diagnóstico por imagen , Masculino , Persona de Mediana Edad , Muestreo de Seno Petroso , Estudios Prospectivos , Senos Transversos/anomalías , Senos Transversos/diagnóstico por imagenRESUMEN
BACKGROUND: The efficacy and safety of sucroferric oxyhydroxide (SO) have been reported in clinical trials. However, real-life data are scarce. This study presents data on the use, efficacy and safety of SO in real clinical practice. METHODS: We performed a retrospective multicentre study, without any influence on the prescription decisions, that included 220 patients from 11 Spanish centres. Demographic, treatment, analytical and nutritional parameters and adherence, side effects and dropout rates were collected during 6 months. RESULTS: SO was initiated due to inadequate control of serum phosphate (P) in 70% of participants and in 24.5% to reduce the number of tablets. Monotherapy with SO increased from 44% to 74.1%, with a reduction in the average daily number of sachets/tablets from six to two. Serum P decreased by 20% (4.6 ± 1.2 versus 5.8 ± 1.3 mg/dL; P < 0.001), with a significant reduction in intact parathyroid hormone levels (P < 0.01). The percentage of patients with adequate serum P control at threshold levels of 5 and 4.5 mg/dL increased by 45.4% and 35.9%, respectively. Serum ferritin was not modified, while the transferrin saturation index increased significantly (P = 0.04). Serum albumin and normalized protein catabolic rate, when normalized by serum P, increased, averaging 37% and 39%, respectively (P < 0.001). Adherent patients increased from 28.2% to 52.7%. Adverse effects were reported by 14.1% of participants, with abandonment of treatment in 9.5%. CONCLUSIONS: The use of SO in real-life results in better control of serum P, a reduction in the number of tablets and an improvement in therapeutic adherence. In addition, it may be beneficial with regards to secondary hyperparathyroidism and nutritional status.
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Ascending aortic pseudoaneurysm is a rare complication after HT. Surgery is the most conventional management, but in some patients, it is risky. We report the case of a ten-year-old child who underwent HT and developed an ascending aortic pseudoaneurysm in the aortic anastomosis. He was successfully treated with two covered stents through endovascular management. Endovascular therapy is an alternative management in high-risk patients. To our knowledge, this is the first report about endovascular therapy of an AAP after HT in a pediatric patient.
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Aneurisma Falso/cirugía , Aorta/cirugía , Procedimientos Endovasculares/métodos , Trasplante de Corazón , Complicaciones Posoperatorias/cirugía , Niño , Humanos , MasculinoRESUMEN
Here, we investigate the use of few-layer metal organic chemical vapor deposition (MOCVD) grown BN as a two-dimensional buffer layer for plasma enhanced atomic layer deposition (PE-ALD) of Al2O3 on graphene for top gated field effect transistors (FETs). The reactive nature of PE-ALD enables deposition of thin (2 nm) dielectrics directly on graphene and other two-dimensional materials without the need for a seed or functionalization layer; however, this also leads to significant oxidation of the graphene layer as observed by Raman. In FETs, we find this oxidation destroys conductivity in the graphene channel. By transferring thin (1.6 nm) MOCVD BN layers on top of graphene channels prior to PE-ALD, the graphene is protected from oxidation enabling BN/Al2O3 layers as thin as 4 nm. Raman and X-ray photoelectron spectroscopy on BN films show no significant oxidation caused by PE-ALD of Al2O3. Inserting the BN layer creates an atomically abrupt interface significantly reducing interface charges between the graphene and Al2O3 as compared to use of a 2 nm Al buffer layer. This results in a much smaller Dirac voltage (- 1 V) and hysteresis (0.9 V) when compared to FETs with the Al layer (VDirac = - 6.1 V and hysteresis = 2.9 V).
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BACKGROUND: Intracranial iatrogenic aneurysms (IIAs) developing after external ventricular drain (EVD) placement or removal have been only rarely reported. Most of these reports assumed a traumatic etiology; however, some have demonstrated an inflammatory origin. We have presented the case of an IIA that developed after an EVD had been inserted to treat acute hydrocephalus secondary to a ruptured arteriovenous malformation. We also performed a literature review and discussed how these IIAs might have an inflammatory rather than a traumatic etiology and how they might lie behind some of the cases of idiopathic hemorrhage observed after EVD manipulation. CASE DESCRIPTION: A 48-year-old woman had presented with acute hydrocephalus secondary to bleeding from a vermian arteriovenous malformation. The EVD inserted for hydrocephalus management required several revisions because of malfunction. Four weeks later, a diagnostic arteriogram had incidentally revealed the existence of a 5-mm aneurysm in an anterior branch of the right callosomarginal artery, coincidental to the EVD trajectory. The patient underwent emergent endovascular treatment of the aneurysm, with complete occlusion and no complications deriving from the procedure. CONCLUSIONS: IIAs associated with EVD placement or removal have been described as a rare complication of the procedure. Despite the scarce number of cases reported and the lack of histological examinations, common features such as a distal location, an incidental diagnosis, and a benign clinical course might suggest a mycotic or inflammatory origin rather than a traumatic etiology. Considering the high volume of EVDs placed annually, this complication might be more frequent than reported. Further studies investigating the association of risk factors for inflammatory aneurysms and hemorrhage incidence after EVD could provide information on this intriguing topic.
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Ventrículos Cerebrales , Drenaje/efectos adversos , Enfermedad Iatrogénica , Aneurisma Intracraneal/etiología , Angiografía de Substracción Digital , Procedimientos Endovasculares/métodos , Femenino , Humanos , Hidrocefalia/etiología , Hidrocefalia/terapia , Aneurisma Intracraneal/diagnóstico por imagen , Aneurisma Intracraneal/cirugía , Malformaciones Arteriovenosas Intracraneales/complicaciones , Persona de Mediana Edad , Micosis/complicaciones , Procedimientos Neuroquirúrgicos , Tomografía Computarizada por Rayos X , VentriculostomíaRESUMEN
BACKGROUND: Coronavirus disease 2019 (COVID-19) has rapidly evolved as a viral pandemic. Countries worldwide have been affected by the recent outbreak caused by the SARS (severe acute respiratory syndrome)-CoV-2 virus. As with prior viral pandemics, health-care workers are at increased risk. Orthopaedic surgical procedures are common in health-care systems, ranging from emergency to elective procedures. Many orthopaedic surgical procedures are life or limb-saving and cannot be postponed during the COVID-19 pandemic because of potential patient harm. Our goal is to analyze how orthopaedic surgeons can perform medically necessary procedures during the pandemic and to help guide decision-making perioperatively. METHODS: We performed a review of the existing literature regarding COVID-19 and prior viral outbreaks to help guide clinical practice in terms of how to safely perform medically necessary orthopaedic procedures during the pandemic for both asymptomatic patients and high-risk (e.g., COVID-19-positive) patients. We created a classification system based on COVID-19 positivity, patient health status, and COVID-19 prevalence to help guide perioperative decision-making. RESULTS: We advocate that only urgent and emergency surgical procedures be performed. By following recommendations from the American College of Surgeons, the Centers for Disease Control and Prevention, and the recent literature, safe orthopaedic surgery and perioperative care can be performed. Screening measures are needed for patients and perioperative teams. Surgeons and perioperative teams at risk for contracting COVID-19 should use appropriate personal protective equipment (PPE), including N95 respirators or powered air-purifying respirators (PAPRs), when risk of viral spread is high. When preparing for medically necessary orthopaedic procedures during the pandemic, our classification system will help to guide decision-making. A multidisciplinary care plan is needed to ensure patient safety with medically necessary orthopaedic procedures during the COVID-19 pandemic. CONCLUSIONS: Orthopaedic surgery during the COVID-19 pandemic can be performed safely when medically necessary but should be rare for COVID-19-positive or high-risk patients. Appropriate screening, PPE use, and multidisciplinary care will allow for safe medically necessary orthopaedic surgery to continue during the COVID-19 pandemic. LEVEL OF EVIDENCE: Prognostic Level V. See Instructions for Authors for a complete description of levels of evidence.
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Infecciones por Coronavirus/prevención & control , Procedimientos Ortopédicos/normas , Ortopedia/organización & administración , Pandemias/prevención & control , Neumonía Viral/prevención & control , Betacoronavirus , COVID-19 , Infecciones por Coronavirus/diagnóstico , Infecciones por Coronavirus/epidemiología , Humanos , Ortopedia/normas , Seguridad del Paciente , Atención Perioperativa , Equipo de Protección Personal , Neumonía Viral/diagnóstico , Neumonía Viral/epidemiología , SARS-CoV-2RESUMEN
OBJECTIVE: to assess the epidemiological profile of patients undergoing exploratory trauma laparotomy based on severity and prognosis criteria, and to determine the predictive accuracy of trauma scoring systems in terms of morbidity and mortality. METHODS: retrospective cohort study and review of medical records of patients undergoing exploratory laparotomy for blunt or penetrating trauma at the Hospital de Pronto Socorro de Porto Alegre, from November 2015 to November 2019. Demographic data, mechanism of injury, associated injuries, physiological (RTS and Shock Index), anatomical (ISS, NISS and ATI) and combined (TRISS and NTRISS) trauma scores, intraoperative findings, postoperative complications, length of stay and outcomes. RESULTS: 506 patients were included in the analysis. The mean age was 31 ± 13 years, with the majority being males (91.3%). Penetrating trauma was the most common mechanism of injury (86.2%), predominantly by firearms. The average RTS at hospital admission was 7.5 ± 0.7. The mean ISS and NISS was 16.5 ± 10.1 and 22.3 ± 13.6, respectively. The probability of survival estimated by TRISS was 95.5%, and by NTRISS 93%. The incidence of postoperative complications was 39.7% and the overall mortality was 12.8%. The most accurate score for predicting mortality was the NTRISS (88.5%), followed by TRISS, NISS and ISS. CONCLUSION: the study confirms the applicability of trauma scores in the studied population. The NTRISS seems to be the best predictor of morbidity and mortality.
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Traumatismos Abdominales/cirugía , Laparotomía/métodos , Índices de Gravedad del Trauma , Heridas no Penetrantes/cirugía , Heridas Penetrantes/cirugía , Traumatismos Abdominales/epidemiología , Adolescente , Adulto , Humanos , Puntaje de Gravedad del Traumatismo , Masculino , Persona de Mediana Edad , Valor Predictivo de las Pruebas , Estudios Retrospectivos , Heridas no Penetrantes/epidemiología , Heridas Penetrantes/epidemiología , Adulto JovenRESUMEN
ABSTRACT Objective: to assess the epidemiological profile of patients undergoing exploratory trauma laparotomy based on severity and prognosis criteria, and to determine the predictive accuracy of trauma scoring systems in terms of morbidity and mortality. Methods: retrospective cohort study and review of medical records of patients undergoing exploratory laparotomy for blunt or penetrating trauma at the Hospital de Pronto Socorro de Porto Alegre, from November 2015 to November 2019. Demographic data, mechanism of injury, associated injuries, physiological (RTS and Shock Index), anatomical (ISS, NISS and ATI) and combined (TRISS and NTRISS) trauma scores, intraoperative findings, postoperative complications, length of stay and outcomes. Results: 506 patients were included in the analysis. The mean age was 31 ± 13 years, with the majority being males (91.3%). Penetrating trauma was the most common mechanism of injury (86.2%), predominantly by firearms. The average RTS at hospital admission was 7.5 ± 0.7. The mean ISS and NISS was 16.5 ± 10.1 and 22.3 ± 13.6, respectively. The probability of survival estimated by TRISS was 95.5%, and by NTRISS 93%. The incidence of postoperative complications was 39.7% and the overall mortality was 12.8%. The most accurate score for predicting mortality was the NTRISS (88.5%), followed by TRISS, NISS and ISS. Conclusion: the study confirms the applicability of trauma scores in the studied population. The NTRISS seems to be the best predictor of morbidity and mortality.
RESUMO Objetivo: analisar o perfil epidemiológico dos pacientes submetidos a laparotomia exploradora por trauma com base em critérios de gravidade e prognóstico, e determinar a acurácia preditiva dos escores de trauma em termos de morbimortalidade. Métodos: estudo de coorte retrospectiva e revisão de prontuários dos pacientes submetidos a laparotomia exploradora por trauma contuso ou penetrante no Hospital de Pronto Socorro de Porto Alegre no período de novembro de 2015 a novembro de 2019. Foram avaliados dados demográficos, mecanismo do trauma, lesões associadas, índices fisiológicos (RTS e Shock Index), anatômicos (ISS, NISS e ATI) e mistos (TRISS e NTRISS), achados intraoperatórios, complicações pós-operatórias, tempo de internação e desfecho. Resultados: foram incluídos 506 pacientes na análise. A idade média foi de 31 ± 13 anos, com predomínio do sexo masculino (91,3%). O trauma penetrante foi o mecanismo de lesão mais comum (86,2%), sendo a maioria por arma de fogo. A média do RTS na admissão hospitalar foi 7,5 ± 0,7. A média do ISS e do NISS foi 16,5 ± 10,1 e 22,3 ± 13,6, respectivamente. A probabilidade de sobrevida estimada pelo TRISS foi de 95,5%, e pelo NTRISS de 93%. A incidência de complicações pós-operatórias foi de 39,7% e a mortalidade geral de 12,8%. O escore com melhor acurácia preditiva foi o NTRISS (88,5%), seguido pelo TRISS, NISS e ISS. Conclusões: o estudo confirma a aplicabilidade dos escores de trauma na população em questão. O NTRISS parece ser o sistema com melhor acurácia preditiva de morbimortalidade.
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Humanos , Masculino , Adolescente , Adulto , Adulto Joven , Heridas no Penetrantes/epidemiología , Heridas Penetrantes/epidemiología , Estudios Retrospectivos , Laparotomía/métodos , Traumatismos Abdominales/cirugía , Heridas no Penetrantes/cirugía , Heridas Penetrantes/cirugía , Puntaje de Gravedad del Traumatismo , Índices de Gravedad del Trauma , Valor Predictivo de las Pruebas , Traumatismos Abdominales/epidemiología , Persona de Mediana EdadRESUMEN
BACKGROUND: Management of asymptomatic meningiomas represents a challenge due to the absence of a solid consensus on which is the best management strategy. There are various known factors predicting meningiomas growth risk. However, the Asian Intracranial Meningioma Scoring System (AIMSS) is the only described score to quantify such risk thus emerging as a potential tool for management decisions. This study aims to validate this score on our series of asymptomatic meningiomas. METHOD: We performed a retrospective review of asymptomatic meningiomas diagnosed at our institution between January 2008 and October 2016 and followed by an annual cerebral Magnetic Resonance Imaging (MRI). For each lesion, the AIMSS score was calculated thus classifying them in low (0-2), intermediate (3-6) or high risk (7-11) of rapid growth (>2cm3/year). We investigated the correlation between the expected Average Growth Rate (AGR) according to the score and the one obtained in our study. The mean growth velocity over the different risk groups was also compared. RESULTS: Overall, 69 asymptomatic meningiomas found incidentally in 46 patients were included in the study; 31 were assigned to the low-risk group, 34 to the intermediate-risk group and 4 to the high-risk group. Attending to the AGR, 0% showed rapid growth in the low-risk group, 12% in the intermediate-risk group, and 25% in the high-risk group. The mean growth velocity showed a significant difference over the different risk groups (p < 0,001). CONCLUSIONS: According to our finding, the AIMSS score is a valid tool to estimate the risk of rapid growth of asymptomatic meningiomas. It is especially useful distinguishing between low- and intermediate-risk meningiomas. This feature would allow physicians to adjust the periodicity of radiological and clinical controls. Adding more known risk factors of rapid growth to the score might improve its predictive capabilities with the high-risk group.
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Imagen por Resonancia Magnética/normas , Neoplasias Meníngeas/diagnóstico por imagen , Meningioma/diagnóstico por imagen , Índice de Severidad de la Enfermedad , Adulto , Anciano , Algoritmos , Pueblo Asiatico , Enfermedades Asintomáticas , Femenino , Humanos , Masculino , Neoplasias Meníngeas/patología , Meningioma/patología , Persona de Mediana EdadRESUMEN
Resumen Introducción: Poco se ha estudiado acerca del comportamiento de la hipertensión pulmonar en pediatría en población peruana, incluso en el mundo, la información es deficiente, de ahí la necesidad de desarrollar estudios y registros para la orientación del diagnóstico y tratamiento oportuno. Material y métodos: Estudio retrospectivo, observacional, transversal, en el que se incluyeron pacientes de 3 meses hasta 15 años de edad, con diagnóstico de hipertensión pulmonar, sometidos a estudio hemodinámico por cateterismo cardíaco en INCOR, entre enero de 2015 a diciembre de 2016 (2 años). Resultados: Se diagnosticaron 57 pacientes con hipertensión pulmonar, 51% varones, de los cuales 22% procedían de una altura mayor 2.500 metros sobre el nivel del mar. Grupo etario predominante 1-3 años. Clase funcional II 49%. Síndrome de Down (16%). La comunicación interventricular / ducto arterioso persistente (CIV / PCA) fue la cardiopatía más frecuente. El grupo 1(NICE2013) fue el más frecuente con 51 casos (89,5%); dentro de éste resalta el grupo asociado a cardiopatías congénitas (48 casos), mientras que en el grupo 2 se clasificaron 6 casos (10,5%). La presión arterial pulmonar media más frecuente fue mayor 40 mm Hg, con aumento de RVPi y RVP/ RVS, leve a moderado. Se realizaron pruebas de vasorreactividad en 14 pacientes (24%), la cual fue positiva en 12 de 14 casos. En el 52% de los casos se decidió la reparación quirúrgica del defecto. Conclusión: Este estudio constituye el primer registro de hipertensión pulmonar en niños peruanos en el que se halló que aquellos con esta enfermedad presentan características propias, según los distintos grupos; así mismo, la asociación a cardiopatías congénitas fue importante. Se recomienda el tratamiento oportuno y pronóstico, ya que el compromiso vascular puede estar presente en estadios clínicamente no significativos.
Abstract Introduction: There have been few studies on the behaviour of pulmonary hypertension in paediatrics in the Peruvian population. Even in the world, there is insufficient information. Thus, there is a need to develop studies and registers in order to focus on a timely diagnosis and treatment. Material and methods: A retrospective, observational and cross-sectional study was performed. Patients from 3 months to 15 years of age and with a diagnosis of pulmonary hypertension, and subjected to a haemodynamic study by cardiac catheterisation in INCOR (National Cardiovascular Institution) were included between January 2015 and December 206 (2 years). Results: Out of a total of 57 patients diagnosed with pulmonary hypertension, 51% were males of whom 22% came from an altitude greater than 2,500 metres above sea level. The age group were predominantly from 1 -3 years. Just under half (49% were functional class II, and 16% had Down's syndrome. Left ventricular growth (LVG) +/- Patent ductus arteriosus (PDA) was the most frequent cardiac disease. Group 1 1(NICE 2013) was the most frequent with 51 (89.5%) cases. Within this, the group associated to congenital heart disease (48 cases) is highlighted, while 6 cases (10.5%) were classified in Group 2. The most frequent mean pulmonary arterial pressure was greater than 40 mm Hg, with a mild to moderate increase in indexed pulmonary vascular resistance (iPVR and pulmonary vascular resistance (PVR)/ pulmonary vascular resistance (PVS). Vasoreactivity tests were performed on 14 (24%) patients, which was positive in 12 of the 14 cases. Surgical repair of the defect was decided in 52% of cases. Conclusion: This study forms the first register of pulmonary hypertension in Peruvian children, in which it was found that children with this disease have their own characteristics, according to the different groups. Likewise, the relationship with congenital cardiac disease was important. Timely and prognostic treatment is recommended, since the vascular compromise can be present clinically non-significant states.
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Humanos , Masculino , Femenino , Preescolar , Niño , Pediatría , Hipertensión Arterial Pulmonar , Cateterismo Cardíaco , Síndrome de Down , Presión Arterial , Cardiopatías CongénitasRESUMEN
BACKGROUND: Health personnel are susceptible to high levels of work stress and burnout due to the psychological and emotional demands of their work, as well as to other aspects related to the organisation of that work. This paper describes the rationale and design of the MINDUUDD study, the aim of which is to evaluate the effectiveness of a mindfulness and self-compassion 4-session programme versus the standard 8-session programme to reduce work stress and burnout in Family and Community Medicine and Nursing tutors and residents. METHODS: The MINDUDD study is a multicentre cluster randomised controlled trial with three parallel arms. Six Teaching Units will be randomised to one of the three study groups: 1) Experimental Group-8 (EG8); 2) Experimental Group-4 (EG4) Control group (CG). At least 132 subjects will participate (66 tutors/66 residents), 44 in the EG8, 44 in the EG4, and 44 in the CG. Interventions will be based on the Mindfulness-Based Stress Reduction (MBSR) program, including some self-compassion practices of the Mindful Self-Compassion (MSC) programme. The EG8 intervention will be implemented during 8 weekly face-to-face sessions of 2.5 h each, while the EG4 intervention will consist of 4 sessions of 2.5 h each. The participants will have to practice at home for 30 min/day in the EG8 and 15 min/day in the EG4. The Five Facet Mindfulness Questionnaire (FFMQ), Self-Compassion Scale (SCS), Perceived Stress Questionnaire (PSQ), Maslach Burnout Inventory (MBI), Jefferson Scale of Physician Empathy (JSPE), and Goldberg Anxiety-Depression Scale (GADS) will be administered. Measurements will be taken at baseline, at the end of the programs, and at three months after completion. The effect of the interventions will be evaluated by bivariate and multivariate analyses (Multiple Linear Regression). DISCUSSION: If the abbreviated mindfulness programme is at least as effective as the standard program, its incorporation into the curriculum and training plans will be easier and more appropriate. It will also be more easily applied and accepted by primary care professionals because of the reduced resources and means required for its implementation, and it may also extend beyond care settings to academic and teaching environments as well. TRIAL REGISTRATION: The study has been registered at ClinicalTrials.gov ( NCT03629457 ; date of registration: 13.08.2018).
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Agotamiento Profesional/prevención & control , Empatía , Atención Plena/métodos , Enfermeras y Enfermeros , Médicos de Familia , Agotamiento Profesional/terapia , Medicina Comunitaria , Estudios de Equivalencia como Asunto , Humanos , Estrés Laboral/prevención & control , Estrés Laboral/terapia , EspañaRESUMEN
Power is one of the most complex organizational attributes to understand due to the multiple related variables and dimensions in which it appears. The ownership and use and of power are reflected in the interpersonal relationships within an organization, as a result, modeling its structure and interactions can lead to knowledge about the power networks that shape it. The objective of this study was to identify the behavior of organizational networks based on existing sources of power, using a consensual analysis of the different topologies present in these networks. The study was carried out in a private production company in Ecuador, which has representation at a domestic level. To this end, a 12-question personalized questionnaire was designed with the aim of identifying specific networks and was applied to 1190 workers in the company. The results were obtained using organizational network analysis and a consensus strategy to integrate the centralities found in multiple networks into one. This study can serve as a reference to organizations, so they can know the relationships between people within it, as part of their management process. In this way, the identification of people within power networks is useful for knowing the "key" actors in the promotion of organizational changes, as well as for the development of career plans based on the position that people occupy in the organizational system.
RESUMEN
PURPOSE: To determine whether there are changes in sexuality after breast cancer, to better understand the sexual function of women with breast cancer, and to investigate the potential relationship between sexual dysfunction and socio-demographic and clinical variables. METHODS: A cross-sectional study. This study included 514 women with breast cancer between 21- and 66-years-old. The cases were gathered between June 2016 and January 2017. The instruments used were the questionnaire on Women's Sexual Function and a questionnaire to collect socio-demographic and clinical data. RESULTS: The average age (± standard deviation, SD) of participants was 46.34 ± 8.28 years. Their average age at date of diagnosis was 42.26 ± 8.56 years, and the average time suffering from cancer was 4.05 ± 5.23 years. There were significant differences (p = 0.002) in the presence of sexual dysfunction before (32.1%) and after (91.2%) cancer. The primary sexual dysfunctions were due to penetration pain (50.6%), lubrication (50.6%), dysfunctional desire (44.6%), and dysfunctional excitement (44.6%). Two-thirds of participants were satisfied with their sexual relations. The women who presented most sexual dysfunction were those that had a bilateral mastectomy (p = 0.009) and those who received chemotherapy, radiotherapy and hormonal-therapy (p < 0.001). CONCLUSION: Sexual function was changed in women with breast cancer. The main problems included penetration pain, desire, lubrication, and dysfunctional excitement. It is important that Health professionals recognize which circumstances influence the sexual function of women with breast cancer and to make interventions that facilitate sexual adjustment.
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Neoplasias de la Mama/complicaciones , Disfunciones Sexuales Fisiológicas/complicaciones , Disfunciones Sexuales Psicológicas/complicaciones , Adulto , Anciano , Neoplasias de la Mama/epidemiología , Neoplasias de la Mama/psicología , Neoplasias de la Mama/terapia , Estudios Transversales , Femenino , Humanos , Persona de Mediana Edad , Satisfacción Personal , Disfunciones Sexuales Fisiológicas/epidemiología , Disfunciones Sexuales Psicológicas/epidemiología , Sexualidad , España , Adulto JovenRESUMEN
Introducción Circunstancias como el género, la edad, la presencia de diabetes mellitus (DM) y la insuficiencia renal tienen impacto sobre la composición corporal de los pacientes. Sin embargo, a la hora de evaluar parámetros nutricionales como el tejido magro y graso de los pacientes en hemodiálisis (HD) se emplean valores de referencia provenientes de población sana. Objetivos: Analizar la composición corporal mediante bioimpedancia espectroscópica (BIS) de 6.395 pacientes en HD para obtener valores de referencia de índice de tejido magro (ITM) y de índice de tejido graso (ITG) procedentes de pacientes en HD y confirmar su validez al demostrar que aquellos con un ITM por debajo del percentil 10 calculado para su grupo tienen mayor riesgo de muerte. Material y métodos Usamos la BIS para determinar el ITM e ITG de nuestra cohorte de pacientes en HD en España. Calculamos el percentil 10 y el percentil 90 del ITM e ITG en cada decil de edad de pacientes, agrupados según su género y presencia de DM. Recogemos parámetros clínicos, analíticos y demográficos. Resultados: Objetivamos que los valores del percentil 10 y del 90 de ITM/ITG varían en función del grupo (edad, género y presencia de DM) y que, tras ajustar por otros factores de riesgo como la sobrehidratación, los pacientes con ITM inferior al percentil 10 tienen mayor riesgo relativo de muerte (OR 1,57) que aquellos con valores superiores. Conclusiones: Monitorizar el ITM e ITG de los pacientes en HD CON adecuados valores de referencia puede ser útil para identificar situaciones de riesgo en los pacientes en HD (AU)
Introduction: Circumstances such as gender, age, diabetes mellitus (DM) and renal failure impact on the body composition of patients. However, we use nutritional parameters such as lean and fat tissue with reference values from healthy subjects to assess the nutritional status of haemodialysis (HD) patients. Aims: To analyse body composition by bioimpedance spectroscopy (BIS) of 6395 HD patients in order to obtain reference values of lean tissue index (LTI) and fat tissue index (FTI) from HD patients; and to confirm its validity by showing that those patients with LTI below the 10th percentile calculated for their group have greatest risk of death. Material and methods: We used the BIS to determine the LTI and FTI in our cohort of HD patients in Spain. We calculated the 10th percentile and 90th percentile of LTI and FTI in each age decile for patients grouped by gender and presence of DM. We collected clinical, laboratory and demographic parameters. Results: The LTI/FTI 10 and 90 percentile values varied by group (age, gender and presence of DM) and, after adjusting for other risk factors such as fluid overload, those patients with LTI lower than percentile 10 had a higher relative risk of death (OR 1.57) than those patients with higher values. Conclusions: Monitoring the LTI and FTI of patients on HD using suitable reference values may help to identify risk in this patient population (AU)