bluuebunny/crossref_metadata_2025_split huggingface dataset:
Primer registro del género Roccella (Ascomycota: Roccellaceae) para las costas mexicanas del Golfo de México
Authors: Guzmán Guillermo Jorge , Barrera Bernal Clementina , Torres Cantú Gerardo 
Published: April 2020

El género Roccella DC. en México, está representado por tres especies, todas estas se encuentran distribuidas en las costas del océano pacifico. A pesar de que el estudio taxonómico de este liquen es relativamente reciente, se ha documentado que las culturas mesoamericanas usaban organismos de este grupo para la obtención de un tinte violáceo. Con el objetivo de conocer la probable existencia del género Roccella en el Golfo de México se realizaron visitas a las costas de Veracruz. Once especímenes fueron determinados como Roccella gracilis Bory. En este trabajo se hace el primer registro del género Roccella para las costas mexicanas del Golfo de México.Palabras clave: Arthoniales, Roccellaceae, Golfo de México, liquen. AbstractThe genus Roccella DC. in Mexico, it is represented by three species, all these species are distributed towards the Pacific. Although the taxonomic study of these species is relatively recent, it has been documented that Mesoamerican cultures used species of this genus in obtaining dyes. In order to know the probable existence of the genus Roccella on the coasts of Gulf of Mexico, visits were made to the coasts of Veracruz. Eleven specimens were identified as Roccella gracilis Bory. This paper represents the first report of the genus Roccella for the mexican coasts of the Gulf of Mexico.Keywords: Arthoniales, Roccellaceae, Gulf of Mexico, lichen.
Análisis diacrónico de la contaminación por cadmio en la microcuenca del río Pixquiac, Veracruz
Authors: Menchaca Dávila Socorro , Ríos Fuentes Luis Manuel 
Published: April 2020

En la investigación se analiza la variación diacrónica de la contaminación de agua por cadmio, en tres presas que son fuentes de abastecimiento de agua para el Municipio de Xalapa, así como de la población que vive en las zonas aledañas ubicadas en la microcuenca del río Pixquiac. La investigación incluye las posibles causas antópicas que contribuyen a la afectación a la calidad de agua, así como la importancia de medir las características del recurso hídrico, y cumplir con el marco regulatorio por parte del gobierno municipal encargado del abastecimiento del agua, para cuidar la salud humana y establecer mecanismos que permitan preservar la ecohidrología que brinda importantes beneficios a la sociedad. Palabras clave: Agua; contaminación; variación; cadmio; ecohidrología. In the research is analyzed the potential diachronic variation of the contamination of water by cadmium n three dams that are sources of water supply for the county of Xalapa, as well as of the population that lives in the surrounding areas located in the microbasin of the Pixquiac River. The investigation includes the possible anthropic causes that affect the affectation to the quality of the water, as well as the importance to measure the characteristics of the water resource, and to fulfill the regulatory frame on the part of the municipal government in charge of the water supply, to take care of the health human and establish mechanisms that facilitate the preservation of ecohydrology that provides important benefits to society.Keywords: Water; Contamination; Cadmium; Variation; Ecohydrology.
La ocupación empresarial de territorio agrícola de la Ciénaga de Chapala, Michoacán, México
Authors: Catalán Romero Juan Manuel , Covarrubias Villa Francisco , Vidal Ceja Ángela Samara 
Published: April 2020

Resumen. El objetivo de este trabajo es mostrar el proceso creciente de ocupación del suelo agrícola de la ciénaga de Chapala, agudizado a partir de principios del siglo XXI. El método seguido fue el siguiente: delimitación del objeto de investigación, diseño del esquema de investigación, identificación de fuentes de información, diseño de instrumentos de investigación de campo, análisis y fichado de fuentes de información y exposición de resultados. Se encontró que principalmente a los lados de las carreteras Villamar-Jiquilpan, Jiquilpan-Briseñas, Briseñas-Vistahermosa y Vistahermosa-Ixtlán y en sitios cercanos a éstas, se ha instalado una gran cantidad de empresas. Lo encontrado forma parte del proceso de incorporación de la región a la dinámica del capitalismo transnacional, ya que estas empresas están orientadas a la exportación o expenden productos de empresas transnacionales.Palabras clave: ciénaga de Chapala, agroindustria, territorio, agricultura, ganadería. AbstractThe objective of this work is to show the growing process of occupation of the agricultural land of the Chapala swamp, sharpened from the beginning of the 21st century. The method followed was the following: delimitation of the research object, design of the research scheme, identification of information sources, design of field research instruments, analysis and filing of information sources and presentation of results. It was found that mainly on the sides of the Villamar-Jiquilpan, Jiquilpan-Briseñas, Briseñas-Vistahermosa and Vistahermosa-Ixtlán roads and in places near to them, a large number of companies have been installed. The findings are part of the process of incorporating the region into the dynamics of transnational capitalism since these companies are export-oriented or sell products of transnational companies.Keywords: Chapala swamp, agroindustry, territory, agriculture, livestock
Plazas e imaginarios. Una revisión tácita
Authors: Treviño Aldape Abiel 
Published: April 2020

Desde la [habitualmente] modesta plaza de barrio, hasta los parques lineales y/o de carácter metropolitano, este trozo de espacio público sigue resultando indispensable en el entramado urbano para uso y disfrute de la ciudadanía. A través de un cuestionario, aplicado a 100 personas, intentamos descubrir los factores implícitos en el imaginario urbano, sobre las preferencias en la utilización de una plaza o parque. Sobrepasando la mitad de los encuestados, la respuesta mayoritaria (54%) refiere a la “Cercanía” del enclave con respecto al hogar (42% corresponde a la plaza de la colonia, mientras que un afortunado 12% reside cerca de un parque de carácter metropolitano que es el utilizado por ellos). Además, tamaño y vegetación, son elementos clave que reafirman la predilección por el sitio, al realizar actividades tales como convivencia, descanso y ejercicio. Como dato curioso, tenemos que a la pregunta textual: “¿A qué plaza o parque va habitualmente?”, seis personas (6% de la muestra) respondieron que frecuentan una “Plaza comercial”. Esto alude a una transformación directa al imaginario colectivo a nivel urbano, pues el término “plaza”, normalmente asociado al espacio público, se imbrica con el “mall” privado, al que se visita también por cuestión de cercanía a la vivienda.Palabras clave: Plaza; imaginario, contextualidad. AbstractFrom the [usually] modest neighborhood square, to the linear parks and/or metropolitan character, this piece of public space continues to be indispensable in the urban fabric for the use andenjoyment of citizenship. Through a questionnaire, applied to 100 people, we try to discover the factors implicit in the urban imaginary, about the preferences in the use of a square or park. Surpassing half of the surveyed, the majority response (54%) refers to the "Closeness" of the enclave with respect to the home (42% corresponds to the colony’s square, while a lucky 12% resides near a metropolitan park that’s used by them). In addition, size and vegetation, are key elements that reaffirm the predilection for the site, when performing activities such as connivance, rest and exercise. As a curious fact, we have that to the textual question: "To what plaza or park do you usually go?” six people (6% of the sample) answered that they frequent a "shopping plaza". This alludes to a direct transformation to the collective imaginary at an urban level, since the term "plaza", normally associated to the public space, is imbricate with the private "mall", which is also visited due to the proximity to the house.Keywords: Plaza, Imaginary, Contextuality.
La privatización de las tierras de uso común en un ejido de la ciénaga de Chapala: Cumuatillo, Michoacán
Authors: Covarrubias Villa Francisco , Cruz-Navarro María Guadalupe , González Vera Conrado 
Published: April 2020

El objetivo de la ponencia es explicar el proceso de privatización de las tierras de uso común en el ejido de Cumuatillo, Michoacán, México. El método seguido fue: delimitación del objeto de investigación, diseño del esquema de investigación, identificación de fuentes de información, diseño de instrumentos de investigación de campo, análisis y fichado de fuentes de información y exposición de resultados. Se encontró que el concepto de “campesino” es múltiple. Que el reparto agrario en la región, no fue producto de una lucha agrarista. Que no se percibe la existencia de una conciencia colectivista entre los ejidatarios fundadores. Que el reparto agrario se realizó pensando en campesinos individualistas que producen semillas y crían animales para el autoconsumo, que al estar insertos en un proceso de universalización del mercado, acabaron proletarizándose. Las tierras de uso común se han fragmentado y privatizado en un ambiente de predominio de la ideología burguesa.Palabras clave: Ejido; privatización; migración; ideología; concentración de la propiedad. AbstractThe aim of this presentation is to explain the process of privatization of common land in the ejido of Cumuatillo, Michoacán, México. The method followed was: delimitation of the research object, design of the research scheme, identification of information sources, design of field research instruments, analysis and recording of information sources and exposition of results. It was found that the concept of “peasant” is multiple. That the agrarian distribution in the region, was not product of an agrarian struggle. That there is not perceived an existence of a collectivist consciousness among the first ejidatarios. That the agrarian distribution was carried out thinking in individualist peasants who produce seeds and breed animals for their own supply, that being inserted in a process of universalization of the market, they ended as proletarians. Land for common use have been fragmented and privatized in an environment of predominance of bourgeois ideology.Keywords: Ejido; Privatization; Migration; Ideology; Concentration of Property.
Evidencia de un cambio de uso de suelo anunciado. La ocupación mixta no prevista en las vialidades primarias. Zona metropolitana de Xalapa
Authors: Sánchez Correa Lilly Areli , Uehara Guerrero Ma Guadalupe Noemi , Velázquez Ruiz Arturo , Acosta Pérez Eva 
Published: April 2020

ResumenLa lectura de la ciudad a través del tiempo permite mostrar una dinámica vinculada a los intereses vocacionales de usos de suelo; destacando el cambio generado en las vialidades principales. La investigación que se realiza sobre una vialidad primaria en un fraccionamiento, muestra el registro de los cambios experimentados en ese eje vial que originariamente fue producto de un proyecto urbano con uso generalizado habitacional, evidenciando ahora la incontrolable inercia provocada por el ímpetu comercial y de servicios coexistiendo con agonizantes viviendas esporádicas subsistentes en un paisaje lineal modificado, agregándose la conflictualidad vecinal entre la lucha por la permanencia del uso habitacional y el nuevo uso comercial. Como un referente de la creación de fraccionamientos similares, se trata de demostrar el imprevisible cambio de uso de suelo para fines comerciales, por lo que se concluye en la propuesta previsora de mezcla de usos, acorde a los actuales requerimientos urbanos.Palabras clave: Cambio de uso de suelo; corredor comercial; uso mixto; vialidad primaria; residentes. AbstractObserving the city over time allows present a dynamic linked to the vocational interests of land uses; highlighting the change generated along main roads. This research carried out on a primary road in a housing development, records the changes experienced in that road that originally was the product of an urban project with exclusively residential use, showing the uncontrollable inertia caused by the commercial activities momentum coexisting with dying sporadic dwellings subsisting in a modified linear landscape, adding a conflict between neighbours for the permanence of residential use and the new commercial uses. As a benchmark for the creation of similar developments, it demonstrates the unpredictable change in land use for commercial purposes, which is why it is proposed a mix of uses, according to current urban requirements.Key words: Land use Change; Commercial Corridors; Mixed use; Primary Roads, Residents.
Seroprevalencia de VIH en población estudiantil de la Universidad Juárez Autónoma de Tabasco, campus Chontalpa.
Authors: González Garrido José Arnold , Carmona Fernando 
Published: April 2020

El incremento de la infección de VIH/SIDA en los ultimos 20 años es una prioridad de los sistemas de salud en el mundo. Se caracteriza por sus múltiples formas de transmisión, ubicándola dentro de las principales infecciones virales. El desarrollo de nuevas alternativas terapeúticas ha permitido disminuir la tasa de mortalidad. Sin embargo, el deterioro en la calidad de vida y el incremento económico de los tratamientos son efectos que enfrentan las personas infectadas, sumado a esto el desconocimiento de la infección hace mas alarmante esta problemática, siendo los jovenes una población vulnerable. En este sentido, determinar la seroprevalencia en jovenes universitarios es fundamental. La seroprevalencia fue determinada en el suero de 1006 jovenes mediante la técnica de inmunoensayo enzimatico. Los resultados revelaron la presencia de grupos de alto riesgo y nuevos de casos de infección por VIH en esta población. Palabras clave: Prevalencia, VIH, SIDA, jóvenes, universitarios. AbstractThe increase in HIV / AIDS infection in the last 20 years is a priority of health systems in the world. It is characterized by its multiple forms of transmission, is located within the primary viral infections. The development of new therapeutic alternatives has reduced the mortality rate. However, the disorder in the quality of life and the economic increase in treatments are the effects that affect infected people. Added to this, the ignorance of the infection makes this problem more alarming, with young people being a vulnerable population. In this sense, determining seroprevalence in university students is essential. Seroprevalence was determined in the serum of 1006 youngsters employing the enzyme immunoassay technique. The results revealed the presence of high-risk groups and new cases of HIV infection in this population.Key words: Prevalence, HIV, AIDS, Young, University students.
Traumatic unilateral jumped facet joint in the upper thoracic spine: Case presentation and literature review
Authors: Liu David D. , Camara-Quintana Joaquin Q. , Leary Owen P. , Syed Sohail , Oyelese Adetokunbo A. , Telfeian Albert E. , Gokaslan Ziya L. , Fridley Jared S. , Niu Tianyi 
Published: April 2020

Background:A jumped facet joint is defined by when the inferior articular process of the superior vertebra becomes locked anterior to the superior articular process of the inferior vertebra. These typically traumatic lesions are exceedingly rare in the thoracic spine. Here, we present a patient with a unilateral jumped facet joint in the upper thoracic spine treated with open reduction and an instrumented fusion.Case Description:A 45-year-old male presented after a significant motor vehicle accident. In the emergency room, he had a Glasgow Coma Score of 13 without any neurologic deficit. The thoracic computed tomography (CT) showed a significant jumped left facet at the T2-T3 level. Two days later, utilizing intraoperative CT-guided navigation and neuromonitoring, he underwent open reduction of the T2-T3 jumped facet plus an instrumented T1-T5 fusion. X-rays taken 3-month postoperatively showed a stable construct. Six months postoperatively, he remained neurologically intact.Conclusion:A unilateral jumped thoracic facet may be present in patients with fractured ribs. The mechanism of injury is most likely axial rotation. Both CT and magnetic resonance imaging studies allow for early detection of these very rare lesions and warrant open reduction and instrumented fusion.
Interval between endoscopic surgery and decreased intracranial pressure related to putaminal hemorrhage prognosis
Authors: Uchikawa Hiroki , Yamashiro Shigeo , Hitoshi Yasuyuki , Yoshikawa Makoto , Yoshida Akimasa , Yano Shigetoshi 
Published: April 2020

Background:
Endoscopic evacuation of a putaminal hemorrhage is effective and minimally invasive; however, it may not result in sufficient brain decompression. While monitoring postoperative intracranial pressure (ICP) is likely useful, specific ICP data in patients with a putaminal hemorrhage are limited. The aim of this study was to determine the association between postoperative ICP and the prognosis of patients with putaminal hemorrhage after endoscopic surgery.

Methods:
We retrospectively analyzed 24 consecutive patients with a putaminal hemorrhage in whom ICP monitoring after endoscopic surgery was performed. Clinical data regarding hematoma volume, evacuation rate, onset-to-treatment time, operation time, ICP max, ICP peak out time (T peak out), and neurological outcomes on discharge were investigated.

Results:
From August 2011 to October 2015, 24 patients with a putaminal hemorrhage were analyzed. Consciousness on admission and hemorrhage volume were associated with poor outcomes after endoscopic surgery for putaminal hemorrhage. The hematoma volume, operation time, and evacuation rate of hemorrhage were correlated to early peak out of ICP. Furthermore, a T peak out ≤24 h was significantly associated with good neurological outcomes on discharge.

Conclusions:
Our data suggest that early peak out (≤24 h) of ICP after endoscopic surgery is predictive of a good prognosis following putaminal hemorrhage. Operation time and evacuation rate of hemorrhage could hasten peak out of ICP and improve outcomes in patients with a putaminal hemorrhage after endoscopic surgery.
Endoscopic transsphenoidal resection of a recurrent petrous apex cholesterol granuloma: Operative video
Authors: Saiegh Fadi Al , Lavergne Pascal , Mahtabfar Aria , Garzon-Muvdi Tomas , Rosen Marc , Evans James J. 
Published: April 2020

Background:
Cholesterol granulomas (GC) of the petrous apex are benign cystic lesions that occur due to a foreign body reaction to blood by-products and cholesterol crystals. They cause erosion and expansion of the petrous apex and lead to cranial nerve deficits.

Case Description:
We present an operative video of a 28-year-old male whose work-up for horizontal diplopia revealed a right petrous apex GC. He originally underwent a subtemporal and later a transmastoid approach at outside institutions before he presented to us with diplopia due to recurrence. An endoscopic transsphenoidal transclival approach was done for drainage and resection of the GC. The patient did well and his diplopia resolved. A follow-up MRI showed no recurrence of the granuloma.

Conclusion:
This case illustrates an endoscopic transsphenoidal transclival approach for a recurrent petrous apex CG, which may lead to symptom resolution if done in a timely fashion.
Integrative treatment of paralytic small intestine following acute cervical cord injury: A case report
Authors: Hirano Yoshitaka , Isai Hideya , Onuki Akinori , Watanabe Kazuo 
Published: April 2020

Background:
A patient developed paralysis of the small intestine following an acute traumatic hyperextension cervical spinal cord injury attributed to the ossification of the posterior longitudinal ligament (OPLL) C3–C6. The persistent ileus finally resolved utilizing Kampo medications (traditional Chinese therapy) consisting of both bukuryoin (TJ-69) and hangekobokuto (TJ-16).

Case Description:
A 63-year-old male became acutely quadriplegic secondary to a hyperextension injury incurred during a fall. Radiographic studies confirmed mixed OPLL extending from C3–C6 resulting in marked cord compression, there was a clear spinal cord contusion. His neurological status using the American Spinal Injury Association (ASIA) Scale was Grade “A;” there were was complete motor and sensory loss below the C5 level. After a C3–C6 expansive laminoplasty, the ASIA scale improved to Grade B. However, he then developed a persistent small intestine ileus resulting in marked abdominal distention. When conventional therapies failed to resolve the problem, Kampo medicines, consisting of both bukuryoin (TJ-69) and hangekobokuto (TJ-16), were administered. The ileus improved within 2 days and fully resolved within the 1st postoperative week.

Conclusion:
The utilization of Kampo medications, consisting of both bukuryoin (TJ-69) and hangekobokuto (TJ-16), or the combined bukuryoingohangekobokuto (TJ-116) effectively resolved a postoperative paralytic small bowel ileus following a cervical laminoplasty performed in a quadriplegic patient.

Keywords:
Acute cervical cord injury, Cervical ossification of the posterior longitudinal ligamentOPLL, Complication management, Integrative medicine, Paralytic small intestine
Recent decline in the use of invasive neurocritical care monitoring for traumatic brain injury: A case report
Authors: Ghaly Ramsis F. , Haroutanian Armen , Khamooshi Parnia , Patricoski Jessica , Candido Kenneth D. , Knezevic Nebojsa Nick 
Published: April 2020

Background:
In this article, we discuss the dramatic decline in the utilization of invasive cranial monitoring of patients with traumatic brain injury (TBI).

Case Description:
A 52-year-old male presented with a severe TBI following a motor vehicle accident. The initial computed tomography scan showed a subdural hematoma, and the patient underwent a craniotomy. However, preoperatively, intraoperatively, and postoperatively, the critical care team never utilized invasive cranial monitoring. Therefore, when the patient expired several weeks later due to multiorgan failure, his death was in part attributed to the neurocritical care specialists’ failure to employ invasive cranial monitoring techniques.

Conclusion:
Evidence-based and defensive medicine, cost containment, and a lack of leadership have contributed to neurocritical care specialists’ increased failure to utilize invasive hemodynamic and neurological monitoring for TBI.
Single-stage clipping with bifrontal and bilateral frontotemporal craniotomies for subarachnoid hemorrhage with multiple cerebral aneurysms using Sugita head holding system: A case report
Authors: Katsuki Masahito , Wada Naomichi , Yamamoto Yasunaga 
Published: April 2020

Background:
Subarachnoid hemorrhage with multiple aneurysms is very challenging because it is difficult to identify the ruptured aneurysm. We could not identify the ruptured aneurysm preoperatively, so we decided to treat all of the aneurysms as a single-stage surgery.

Case Description:
A 79-year-old woman was diagnosed with subarachnoid hemorrhage with multiple cerebral aneurysms at the right distal anterior cerebral artery, left middle cerebral artery, and right internal carotid artery- posterior communicating artery bifurcation. We could not identify the ruptured aneurysm preoperatively. We fixed her head using the Sugita head holding system (Mizuho Co., Ltd., Tokyo) and performed clipping for each aneurysm with bifrontal craniotomy and bilateral frontotemporal craniotomy as a single-stage operation. The last aneurysm seemed ruptured, and clipping for all the aneurysms was successful. She was discharged with a good postoperative course. The Sugita head holding system allowed turning the head of the patient toward the right and left with single fixation, leading to this single-stage operation.

Conclusion:
Several methods for identifying a ruptured aneurysm from multiple aneurysms have been reported, but under limited medical resources, this procedure would be one of the treatment strategies.