Generalized Spin in the Variance-Based Wave Function Optimization Method within the Doubly Occupied Configuration Interaction Framework.

In this work, we implement a generalized spin formulation of the doubly occupied configuration interaction methodology using the energy variance of the N-electron Hamiltonian. We perform the optimization of the N-electron wave functions and calculate their corresponding energies, using a unified variational treatment for ground and excited states based on the energy variance, which allows us to describe the entire energy spectra on an equal footing. We analyze the effects produced by the breakdown of the S2 and Sz symmetries in the spectra of model hydrogenic clusters in terms of energies and spin-related quantities, arising from the restricted, unrestricted, and generalized spin methods. The results are compared with other related methods as well as full configuration interaction.

DOCSIC: A Mean-Field Method for Orbital-by-Orbital Self-Interaction Correction.

We introduce a new method to remove the one-electron self-interaction error in approximate density functional calculations on an orbital-by-orbital basis, as originally proposed by Perdew and Zunger [Phys. Rev. B 1981, 23, 5048]. This method is motivated by a recent proposal by Pederson et al. [J. Chem. Phys. 2014, 140, 121103] to remove self-interaction that employs orbitals derived from the real-space density matrix, known as FLOSIC (Fermi Löwdin orbitals self-interaction correction). However, instead of Fermi Löwdin orbitals, our scheme utilizes columns of the density matrix to determine localized orbitals, like the localization procedure proposed by Fuemmeler et al. [J. Chem. Theory Comput. 2023, 19, 8572]. The new method, dubbed DOCSIC for density matrix as orbital coefficients self-interaction correction, contrasts with traditional Perdew-Zunger or FLOSIC in that it does not incorporate additional optimization parameters, and, unlike the average density self-interaction correction of Ciofini et al. [Chem. Phys. Lett. 2003, 380, 12], it makes use of localized orbitals. Another advantage of DOCSIC is that it can be implemented as a mean-field formalism. We show details of the self-consistent generalized Kohn-Sham implementation, some illustrative results, and we finally highlight its advantages and limitations.

The rise and fall of stretched bond errors: Extending the analysis of Perdew-Zunger self-interaction corrections of reaction barrier heights beyond the LSDA.

Incorporating self-interaction corrections (SIC) significantly improves chemical reaction barrier height predictions made using density functional theory methods. We present a detailed orbital-by-orbital analysis of these corrections for three semi-local density functional approximations (DFAs) situated on the three lowest rungs of Jacob's ladder of approximations. The analysis is based on Fermi-Löwdin Orbital Self-Interaction Correction (FLOSIC) calculations performed at several steps along the reaction pathway from the reactants (R) to the transition state (TS) to the products (P) for four representative reactions selected from the BH76 benchmark set. For all three functionals, the major contribution to self-interaction corrections of the barrier heights can be traced to stretched bond orbitals that develop near the TS configuration. The magnitude of the ratio of the self-exchange-correlation energy to the self-Hartree energy (XC/H) for a given orbital is introduced as an indicator of one-electron self-interaction error. XC/H = 1.0 implies that an orbital's self-exchange-correlation energy exactly cancels its self-Hartree energy and that the orbital, therefore, makes no contribution to the SIC in the FLOSIC scheme. For the practical DFAs studied here, XC/H spans a range of values. The largest values are obtained for stretched or strongly lobed orbitals. We show that significant differences in XC/H for corresponding orbitals in the R, TS, and P configurations can be used to identify the major contributors to the SIC of barrier heights and reaction energies. Based on such comparisons, we suggest that barrier height predictions made using the strongly constrained and appropriately normed meta-generalized gradient approximation may have attained the best accuracy possible for a semi-local functional using the Perdew-Zunger SIC approach.

Bond length alternation of π-conjugated polymers predicted by the Fermi-Löwdin orbital self-interaction correction method.

π-conjugated polymers have been used in a wide range of practical applications, partly due to their unique properties that originate in the delocalization of electrons through the polymer backbone. The level of delocalization can be characterized by the induced bond length alternation (BLA), with shorter BLA connected with strong delocalization and vice versa. The accurate description of this structural parameter can be considered a benchmark for testing the capability of different electronic structure methods for self-interaction error (SIE) removal and electron correlation inclusion. Density functional theory (DFT), in its local or semi-local flavors, suffers from SIE and, thus, underestimates the BLA compared to self-interaction-free methods. In this work, we utilize the Fermi-Löwdin orbital self-interaction correction (FLOSIC) method for one-electron self-interaction removal to characterize the BLA of five oligomers with increasing length extrapolated to the polymeric limit. We compare the self-interaction-free BLA to several DFT approximations, Møller-Plesset second-order perturbation theory (MP2), and the BLA obtained with the domain based local pair natural orbital CCSD(T) [DLPNO-CCSD(T)] approximation. Our findings show that FLOSIC corrects for the small BLA given by (semi-)local DFT approximations, but it tends to overcorrect with respect to CAM-B3LYP, MP2, and DLPNO-CCSD(T).

Pre-Infection Innate Immunity Attenuates SARS-CoV-2 Infection and Viral Load in iPSC-Derived Alveolar Epithelial Type 2 Cells.

A large portion of the heterogeneity in coronavirus disease 2019 (COVID-19) susceptibility and severity of illness (SOI) remains poorly understood. Recent evidence suggests that SARS-CoV-2 infection-associated damage to alveolar epithelial type 2 cells (AT2s) in the distal lung may directly contribute to disease severity and poor prognosis in COVID-19 patients. Our in vitro modeling of SARS-CoV-2 infection in induced pluripotent stem cell (iPSC)-derived AT2s from 10 different individuals showed interindividual variability in infection susceptibility and the postinfection cellular viral load. To understand the underlying mechanism of the AT2's capacity to regulate SARS-CoV-2 infection and cellular viral load, a genome-wide differential gene expression analysis between the mock and SARS-CoV-2 infection-challenged AT2s was performed. The 1393 genes, which were significantly (one-way ANOVA FDR-corrected p ≤ 0.05; FC abs ≥ 2.0) differentially expressed (DE), suggest significant upregulation of viral infection-related cellular innate immune response pathways (p-value ≤ 0.05; activation z-score ≥ 3.5), and significant downregulation of the cholesterol- and xenobiotic-related metabolic pathways (p-value ≤ 0.05; activation z-score ≤ -3.5). Whilst the effect of post-SARS-CoV-2 infection response on the infection susceptibility and postinfection viral load in AT2s is not clear, interestingly, pre-infection (mock-challenged) expression of 238 DE genes showed a high correlation with the postinfection SARS-CoV-2 viral load (FDR-corrected p-value ≤ 0.05 and r2-absolute ≥ 0.57). The 85 genes whose expression was negatively correlated with the viral load showed significant enrichment in viral recognition and cytokine-mediated innate immune GO biological processes (p-value range: 4.65 × 10-10 to 2.24 × 10-6). The 153 genes whose expression was positively correlated with the viral load showed significant enrichment in cholesterol homeostasis, extracellular matrix, and MAPK/ERK pathway-related GO biological processes (p-value range: 5.06 × 10-5 to 6.53 × 10-4). Overall, our results strongly suggest that AT2s' pre-infection innate immunity and metabolic state affect their susceptibility to SARS-CoV-2 infection and viral load.

Future trends of additive manufacturing in medical applications: An overview.

Additive Manufacturing (AM) has recently demonstrated significant medical progress. Due to advancements in materials and methodologies, various processes have been developed to cater to the medical sector's requirements, including bioprinting and 4D, 5D, and 6D printing. However, only a few studies have captured these emerging trends and their medical applications. Therefore, this overview presents an analysis of the advancements and achievements obtained in AM for the medical industry, focusing on the principal trends identified in the annual report of AM3DP.

Role of Neurocellular Endoplasmic Reticulum Stress Response in Alzheimer's Disease and Related Dementias Risk.

Currently, more than 55 million people around the world suffer from dementia, and Alzheimer's Disease and Related Dementias (ADRD) accounts for nearly 60-70% of all those cases. The spread of Alzheimer's Disease (AD) pathology and progressive neurodegeneration in the hippocampus and cerebral cortex is strongly correlated with cognitive decline in AD patients; however, the molecular underpinning of ADRD's causality is still unclear. Studies of postmortem AD brains and animal models of AD suggest that elevated endoplasmic reticulum (ER) stress may have a role in ADRD pathology through altered neurocellular homeostasis in brain regions associated with learning and memory. To study the ER stress-associated neurocellular response and its effects on neurocellular homeostasis and neurogenesis, we modeled an ER stress challenge using thapsigargin (TG), a specific inhibitor of sarco/endoplasmic reticulum Ca2+ ATPase (SERCA), in the induced pluripotent stem cell (iPSC)-derived neural stem cells (NSCs) of two individuals from our Mexican American Family Study (MAFS). High-content screening and transcriptomic analysis of the control and ER stress-challenged NSCs showed that the NSCs' ER stress response resulted in a significant decline in NSC self-renewal and an increase in apoptosis and cellular oxidative stress. A total of 2300 genes were significantly (moderated t statistics FDR-corrected p-value ≤ 0.05 and fold change absolute ≥ 2.0) differentially expressed (DE). The pathway enrichment and gene network analysis of DE genes suggests that all three unfolded protein response (UPR) pathways, protein kinase RNA-like ER kinase (PERK), activating transcription factor-6 (ATF-6), and inositol-requiring enzyme-1 (IRE1), were significantly activated and cooperatively regulated the NSCs' transcriptional response to ER stress. Our results show that IRE1/X-box binding protein 1 (XBP1) mediated transcriptional regulation of the E2F transcription factor 1 (E2F1) gene, and its downstream targets have a dominant role in inducing G1/S-phase cell cycle arrest in ER stress-challenged NSCs. The ER stress-challenged NSCs also showed the activation of C/EBP homologous protein (CHOP)-mediated apoptosis and the dysregulation of synaptic plasticity and neurotransmitter homeostasis-associated genes. Overall, our results suggest that the ER stress-associated attenuation of NSC self-renewal, increased apoptosis, and dysregulated synaptic plasticity and neurotransmitter homeostasis plausibly play a role in the causation of ADRD.

Metabolic syndrome traits exhibit genotype-by-environment interaction in relation to socioeconomic status in the Mexican American family heart study.

Background: Socioeconomic Status (SES) is a potent environmental determinant of health. To our knowledge, no assessment of genotype-environment interaction has been conducted to consider the joint effects of socioeconomic status and genetics on risk for metabolic disease. We analyzed data from the Mexican American Family Studies (MAFS) to evaluate the hypothesis that genotype-by-environment interaction (GxE) is an essential determinant of variation in risk factors for metabolic syndrome (MS). Methods: We employed a maximum likelihood estimation of the decomposition of variance components to detect GxE interaction. After excluding individuals with diabetes and individuals on medication for diabetes, hypertension, or dyslipidemia, we analyzed 12 MS risk factors: fasting glucose (FG), fasting insulin (FI), 2-h glucose (2G), 2-h insulin (2I), body mass index (BMI), waist circumference (WC), leptin (LP), high-density lipoprotein-cholesterol (HDL-C), triglycerides (TG), total serum cholesterol (TSC), systolic blood pressure (SBP), and diastolic blood pressure (DBP). Our SES variable used a combined score of Duncan's socioeconomic index and education years. Heterogeneity in the additive genetic variance across the SES continuum and a departure from unity in the genetic correlation coefficient were taken as evidence of GxE interaction. Hypothesis tests were conducted using standard likelihood ratio tests. Results: We found evidence of GxE for fasting glucose, 2-h glucose, 2-h insulin, BMI, and triglycerides. The genetic effects underlying the insulin/glucose metabolism component of MS are upregulated at the lower end of the SES spectrum. We also determined that the household variance for systolic blood pressure decreased with increasing SES. Conclusion: These results show a significant change in the GxE interaction underlying the major components of MS in response to changes in socioeconomic status. Further mRNA sequencing studies will identify genes and canonical gene pathways to support our molecular-level hypotheses.

Desesperanza y su relación con el apoyo social percibido en pacientes peruanos con neoplasias hematológicas / Hopelessness and its relationship with perceived social support in Peruvian patients with hematological neoplasms

Objetivo: El propósito del presente estudio fue determinar la relación significativa entre el apoyo social y la desesperanza en pacientes peruanos con neoplasias hematológicas que se encuentren en alguna de las fases del tratamiento. Método: El estudio fue de tipo descriptivo-correlacional. La muestra estuvo conformada por 110 pacientes hematooncológicos de ambos sexos, con edades entre 16 a 25 años. Los instrumentos utilizados fueron la Escala Multidimensional de Apoyo Social Percibido (MSPSS) y la Escala de Desesperanza de Beck (BHS). Resultados: Se reportan niveles altos de apoyo social percibido (81%) y niveles normales de desesperanza (82%) en los pacientes hematooncológicos. El apoyo social percibido se correlaciona inversa y significativamente con la desesperanza, aunque en magnitudes bajas a moderadas. Cabe destacar que la dimensión Expectativa de desgracia en el futuro, no se correlaciona significativamente con el apoyo social percibido y sus dimensiones. Igualmente, la dimensión Creencias que los acontecimientos negativos son durables, no se correlaciona con la dimensión Apoyo de familia. Por otro lado, se encontró diferencias significativas del apoyo social percibido con el sexo y la religión, asimismo, la desesperanza con la edad, tiempo de diagnóstico y fase de tratamiento. Conclusión: El apoyo social percibido se relaciona con la desesperanza en pacientes hematooncológicos peruanos. Por tanto, se corrobora que el apoyo social que recibe el paciente ante la desesperanza de una enfermedad hematooncológica, sirve como soporte y tolerancia de dicha enfermedad y sus efectos durante el tratamiento (AU)

Objective: The aim of this study was to determine the significant relationship between social support and hopelessness in Peruvian patients with hematological neoplasms who are in any of the treatment phases. Method: The study was descriptive-correlational. The sample consisted of 110 hemato-oncological patients of both sexes, aged between 16 and 25 years. The instruments used were the Multidimensional Scale of Perceived Social Support (MSPSS) and the Beck Hopelessness Scale (BHS). Results: High levels of perceived social support (81%) and normal levels of hopelessness (82%) are reported in hemato-oncological patients. Perceived social support is inversely and significantly correlated with hopelessness, although in low to moderate magnitudes. However, the dimension Expectation of misfortune in the future, does not correlate significantly with the perceived social support and its dimensions. Likewise, the Beliefs that negative events are durable dimension did not correlate with the dimension Family support. On the other hand, significant differences were found in perceived social support with sex and religion, as well as hopelessness with age, time of diagnosis and treatment phase. Conclusion: The perceived social support is related to the hopelessness of Peruvian hemato-oncological patients. Therefore, it is corroborated that the social support that the patient receives when faced with the hopelessness of a hemato-oncological disease, serves as support and tolerance of said disease and its effects during treatment (AU)

Isquemia mesentérica aguda: a propósito de un caso / Acute mesenteric ischemia: a purpose of a case

La isquemia mesentérica aguda (IMA) es consecuencia de la oclusión de la arteria mesentérica superior (AMS) por trombosis o embolia, y es considerada la más letal del síndrome de abdomen agudo. Se presenta el caso de paciente femenina de 69 años con clínica difusa y confirmación diagnóstica radiológica, El objetivo de este caso clínico es proporcionar una revisión bibliográfica actual del tema y facilitar la adecuada actuación ante este problema de salud de amplio compromiso sistémico, y de aparición no tan infrecuente. (AU)

Acute mesenteric ischemia (IMA) is a consequence of occlusion of the superior mesenteric artery (AMS) by thrombosis or embolism; and it is considered the most lethal of acute abdomen syndrome. The case of a 69 years old female patient with diffuse clinic and radiological diagnostic confirmation is presented. The objective of this clinical case is to provide a current bibliographic review of the topic and facilitate adequate action in the face of this health problem with a broad systemic commitment, and with no appearance so infrequent. (AU)

Signo del atolón o signo del halo invertido en covid-19: a propósito de un caso / Covid-19 Atoll sign or inverted halo sign: about a case

La Sociedad Fleishner define el signo del halo invertido o signo del atolón como un área focal redondeada con la densidad de un "vidrio esmerilado", rodeada por un anillo más o menos completo de consolidación. Este signo fue descrito inicialmente en pacientes con neumonía organizada criptogénica por Voloudaki y Kim. Ha sido descrito en: 1) enfermedades infecciosas (la paracoccidioidomicosis, la aspergilosis, la mucormicosis y virales), 2) síndromes linfoproliferativos (la granulomatosis linfomatoidea), y 3) enfermedades inflamatorias no infecciosas ni neoplásicas (el síndrome de Churg-Strauss, la neumonía intersticial no específica y la granulomatosis de Wegener).

The Fleishner Society defines the inverted halo sign or Atoll sign as a rounded focal area with a "ground glass" density, surrounded by a more or less complete ring of consolidation. This sign was initially described in patients with organizing cryptogenic pneumonia by Voloudaki and Kim. It has been described in: 1) infectious diseases (paracoccidioidomycosis, aspergillosis, mucormycosis, and virals), 2) lymphoproliferative diseases (lymphomatoid granulomatosis), and 3) non-infectious and neoplastic inflammatory diseases (Churg-Strauss syndrome, non-specific interstitial pneumonia, and Wegener's granulomatosis).

Pileflebitis asociada a apendicitis aguda complicada. A propósito de un caso / Pileflebitis associated with complicated acute appendicitis. About a case

The aim of this study was to analyse a patient dignosed in our hospital as having pylephlebitis. The patient is a 29 years old male, and we must consider that pylophlebitis refers to the septic thrombosis of the portal venous system, associated to some kind of infectious process. Can occur related to acute appendicitis, colonic diverticulitis and cholangitis, among others. Is a rare but close to a significant morbidity and mortality, since it can develop to an abdominal sepsis. The management review of the case reported, is presented (AU)

Mesotelioma pleural maligno: a propósito de un caso / Malignant pleural mesothelioma: a case report

El mesotelioma difuso es una neoplasia maligna poco frecuente que proviene de las células mesoteliales; la pleura es su localización más habitual y se estima que un 10% de los casos se localizan a nivel peritoneal. El mesotelioma es habitualmente diagnosticado en la quinta década de la vida, con un claro predominio en el sexo masculino, debido esto último a su relación con la exposición laboral al asbesto. Se expone un caso con factores de riesgo y diagnóstico asociado. (AU)

Diffuse mesothelioma is a rare malignant neoplasm that comes from mesothelial cells; the pleura are the most common location and is estimated that 10% of the cases are located at the peritoneal level. Mesothelioma is usually diagnosed in the fifth decade of life, with a clear predominance in the male sex, due to its relation to occupational exposureto asbestos. A case is presented with risk factors and associated diagnosis. (AU)

Infección de prótesis aórtica abdominal: tratamiento alternativo / Infected abdominal aortic prosthesis: an alternative therapy

Introducción: la infección de prótesis aórtica en la cirugía vascular convencional es un evento catastrófico, con una alta tasa de morbilidad y de mortalidad. El tratamiento tradicional ha sido la remoción de la prótesis y la reconstrucción con bypass extraanatómico. En algunos casos, se ha llevado a cabo el reemplazo con prótesis impregnadas en antibiótico; en otros, el reemplazo con vena femoral superficial y también la cirugía abierta con drenaje de las colecciones asociadas y antibioticoterapia de por vida. Caso clínico: se presenta el reporte de un caso de infección protésica tratada con drenajes de las colecciones y antibioticoterapia de larga duración, con un resultado favorable un año después de su complicación. Discusión: en algunos casos, dada la severidad del paciente, es posible intentar un tratamiento conservador de esta nefasta complicación.(AU)

Introduction: in traditional vascular surgery, aortic prosthesis infection is a catastrophic event with high morbidity andmortality rates. Traditional treatment is the removal of the valve followed by extra-anatomic bypass reconstruction. Insome cases, antibiotic-impregnated prosthesis replacement has been performed. In others, superficial femoral veinreplacement, and open surgery with drainage of the associated collections and lifelong antibiotic therapy.Case report: this is the case of a patient with aortic prosthesis infection undergoing draining collections and lifelongantibiotic therapy with a favorable outcome 1 year after the complication.Discussion: in some cases, given the severity of the patient, we can try to treat this dreaded complication conservativel.(AU)

Liposarcoma retroperitoneal gigante: a propósito de un caso / Giant retroperitoneal liposarcoma:a case report

Paciente masculino de 48 años con antecedente de hipertensión, que consulta por dolor abdominal difuso continuo, anorexia y aumento progresivo del perímetro abdominal. Al examen por TC se observa importante formación sólida heterogénea de densidad predominantemente grasa, que ocupa la casi totalidad del abdomen con desplazamiento de estructuras del abdomen superior; luego de la administración de medio de contraste formación presenta además componente de densidad de partes blandas de aspecto vegetante con realce heterogéneo que infiltra el retroperitoneo. Luego de su recesión completa, se concluye con el diagnostico de liposarcoma.

48 years old male patient with a history of hypertension, that consultation by diffuse abdominal pain continued, anorexia and progressive increase in the abdominal circumference. To review by TC is important training solid heterogeneous density predominantly fat that occupies almost the whole of the abdomen with displacement of structures in the upper abdomen, after the administration of contrast medium training is also a component of soft tissue density of vegetative aspect with heterogeneous enhancement that infiltrates the retroperitoneum, after his complete recession, it is concluded with the diagnosis of liposarcoma.

Malrotación intestinal: a propósito de un caso / Intestinal malrotation: a case report

Existen múltiples patologías del abdomen que pueden ser diagnosticadas por parte del especialista en Diagnóstico por Imágenes; entre ellas, la malrotación intestinal es un hallazgo generalmente incidental. El médico imagenólogo debe ser capaz de reconocer los signos de la malrotación intestinal, al tratarse de una entidad patológica con complicaciones graves, como el vólvulo de intestinal. Para el diagnóstico, es clave su sospecha, así como las variantes de la normalidad que pueden conducir a un diagnóstico erróneo.

There are many diseases of the abdomen that can be diagnosed by the specialist in diagnostic imaging, including the intestinal malrotation is a finding usually incidental. The doctor specialist imaging must be able to recognize the signs of intestinal malrotation is a pathological entity, with serious complications, such as intestinal volvulus. For the diagnosis, it is the key to your suspicion, as well as the variants that can lead to a false diagnosis.

Granulomatosis de Wegener. A propósito de un caso / Wegener's granulomatosis: a case report andr review of the literature

Las enfermedades vasculares se encuentran divididas para su mejor comprensión en patologías de vasos grandes medianos o pequeños calibres; en este apartado nos dedicamos a revisar un caso específico de enfermedad granulomatosa de Wegener que corresponde directamente a una enfermedad de pequeños vasos, que comprometió los ojos, los oídos, los pulmones, los riñones y la piel; logrando reunir la parte clínica, patología, las imágenes diagnósticas, laboratorios y el manejo farmacológico. Se debe tener en cuenta que los sistemas de mayor compromiso son el respiratorio y el renal no dejando a un lado el otorrino la piel, el gastrointestinal y sistema nervioso entre otros. Siendo de importancia la pesquisa de los ANCA (anticuerpos anticitoplasma de neutrófilos) siendo el más específico el pr3 (proteinasa3) y la biopsia anatomopatológica, la cual confirma el diagnostico

Vascular diseases are divided for better understanding in pathologies of medium large vessels or small calibers; in this section, we review a specific case of Wegener's granulomatous disease that corresponds directly to a disease of small vessels, which affected the eyes, ears, lungs, kidneys and skin; managing to gather the clinical part, pathology, diagnostic images, laboratories, pharmacological management. It must be taken into account that the systems of greatest commitment are the respiratory and the renal, not leaving aside the otorrino skin, gastrointestinal and nervous system among others. The ANCA (antineutrophil cytoplasmic antibodies) is of importance, with the most specific being pr3 (proteinase3) and the anatomopathological biopsy, which confirms the diagnosis

Quiste pericardio - celómico / Spring water cyst

Paciente femenino, de 24 años que concurre por dolor torácico y disnea. Al examen por TC se observa masa homogénea, en seno cardiofrenico derecho, que no realza tras la administración EV de contraste iodado, y teniendo como característica, contenido líquido. Provoca desviación mediastinica hacia la izquierda. Luego de su exeresis, se concluye en el diagnóstico de quiste pericardio-celómico.

Female patient, 24 years that concurs with chest pain and dyspnea. To review by TC is observed homogeneous mass, in the cardiofrenico angle, which does not enhance after contrast administration EV iodide, and taking as a feature, liquid contents. Causes mediastinal deviation to the left. After excision, it is concluded in the diagnosis of pericardial cyst-coelomic.

Síndrome de Bouveret: A propósito de un caso / BOUVERET´S SYNDROME: CASE REPORT

El íleo biliar es una causa poco frecuente de obstrucción intestinal. Puede manifestarse de formas variadas según el sitio de obstrucción y las características del paciente. Cuando la obstrucción se localiza a nivel duodenal, bloqueando el paso del contenido gástrico, se trata de una entidad denominada síndrome de Bouveret

Gallstone ileus is an uncommon cause of intestinal obstruction. It can manifest itself in various shapes according to the site of obstruction and the patient´s characteristics. When the obstruction is located at the duodenum, blocking the passage of gastric contents, it is an entity called Bouveret´s syndrome

Perfil neuropsicológico de paciente adulto joven con síndrome Z / Neuropsychological profile of young adult patient with Z syndrome

Esta investigación tiene como objetivo establecer el perfil neuropsicológico de una paciente quien padece Síndrome de apnea obstructiva junto con Síndrome metabólico, esta interacción la cual actualmente se conoce como Síndrome Z. Mediante un estudio descriptivo de caso único, teniendo en cuenta una batería neuropsicológica previamente determinada, se caracteriza el desempeño cognitivo de un paciente masculino de 34 años con el diagnóstico mencionado. Los datos fueron analizados con la baremación correspondiente a cada prueba, encontrando dificultades cognitivas a nivel de función ejecutiva, especialmente en funciones de la corteza prefrontal dorsolateral. Como conclusión se establece que el síndrome Z se asocia a un trastorno neurocognitivo menor en un adulto joven.

This research aims to establish the neuropsychological profile of a patient suffering from obstructive apnea syndrome along with metabolic syndrome, this interaction is currently known as Z Syndrome. A descriptive study of a single case, considering a neuropsychological battery previously determined, the cognitive performance of a 34-year-old male patient with the mentioned diagnosis is characterized. The data was analyzed with the corresponding standard to each test, finding cognitive difficulties at the level of executive function, especially in functions of the dorsolateral prefrontal cortex. In conclusion, it is established that Z syndrome is associated with a minor neurocognitive disorder in a young adult.