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Tomographic morphometry of the foramen magnum and its relation to sex and Mapuche ethnicity.
Esteban Espinoza G.,Carlos Ayala P.,Leandro Ortega B.,Erika Collipal L.
Revista ANACEM , 2011,
Abstract: INTRODUCTION: The foramen magnum is an important surgical anatomical structure in the compression syndromes of the central nervous system, which are compromised neuronal function and circulation. OBJECTIVE: To determine the morphometric values of the foramen magnum on CT and its relation to sex and Mapuche ethnicity. MATERIAL AND METHOD: Descriptive cross-sectional type made by non-probabilistic convenience sampling of 100 brain CT scans (CT) performed at the Hospital Hernán Henríquez Aravena in 2010 reported as "normal" for radiologists. Were selected 50 men and 50 women, integrating within each group 25 TC of subjects with surnames belonging to the Mapuche ethnicity. We measured the transverse diameter, anteroposterior diameter and area, in addition to determining the shape. The data was analyzed using Stata 10.1, comparing different variables with t-test, considering statistically significant a p value < 0.05. All subjects remained under anonymity in the built databases. RESULTS: We found statistically significant differences in all measurements between menand women, being higher in males. There are also significant differences in the measurement of the area between Mapuche and non Mapuche patients, being lower in the first ones. The oval shape was predominant. DISCUSSION: The different measurements between sexes are consistent with the literature. There are differences in measures of foramen magnum of Mapuche and non Mapuche patients and can serve as data for further studies in the area.
Upper Blepharoplasty Scar and Patient Satisfaction Evaluation in a Plastic Surgery Center in Mexico  [PDF]
Victor Hugo Avalos Gómez, Jaime Aron García Espinoza, José Carlos Martínez López, Carlos Illich Navarro Delgadillo, Blanca Yadira Arámbula Sánchez, Alejandro Costa Dulche, Cuahutemoc Márquez Espriella, Esteban Israel Campos Serna
Journal of Biosciences and Medicines (JBM) , 2020, DOI: 10.4236/jbm.2020.86008
Abstract: Background: Eyes are one of the most important facial features, their appearance being associated with state of mind, age and beauty. Therefore, upper blepharoplasty is one of the most common procedures performed in plastic surgery. Standardized tools allow for measurement of outcomes through patient satisfaction and surgeon experience. Objectives: Our objective was to measure the satisfaction index and scar quality of patients who underwent upper blepharoplasty using the Patient-reported Outcome Measure Questionnaire (PROM-Q) and Patient and Observer Scar Assessment Scale (POSAS). Methods: A retrospective review of patients that underwent upper blepharoplasty in our institution was performed. We included those with a preoperative anthropometric analysis, standardized incision markings (developed in our center), same operative technique and a 3-month postoperative evaluation with PROM-Q and POSAS. The sample for this study consists of 67 patients, all of them operated between January 1 2019 and June 30 2019 at the Department of Plastic Surgery, South Central High Specialty Hospital, Pemex, Mexico City, Mexico. Results: A total of 67 patients were included, 73% female and 27% male. The most frequent indication for surgery was functional visual symptoms. The index of PROM-Q at 3 months demonstrated an increased satisfaction above 90%, and the evaluation with POSAS reported an almost imperceptible scar. Conclusion: Evaluating outcomes with objective tools provides data useful to improve the surgical protocols of patients subjecting to aesthetic procedures.
Características de los pacientes que reciben ventilación mecánica en unidades de cuidados intensivos: primer estudio multicéntrico chileno
Tomicic,Vinko; Espinoza,Mauricio; Andresen,Max; Molina,Jorge; Calvo,Mario; Ugarte,Héctor; Godoy,Jorge; Gálvez,Sergio; Maurelia,Juan Carlos; Delgado,Iris; Esteban,Andrés;
Revista médica de Chile , 2008, DOI: 10.4067/S0034-98872008000800001
Abstract: background: the outcome oí' mechanically ventilated patients can be in？uenced byfactors such as the indication of mechanical ventilation (mv) and ventilator parameters. aim: to describe the characterístics of patients receiving mv in chilean critical care uníts. material and methods: prospective cohort of consecutive adult patients admitted to 19 intensive care uníts ([cu) from 9 chilean cities who received mv for more than 12 hours between september lst, 2003, and september 28th, 2003. demographic data, severity of illness, reason for the initiation of mv, ventilation modes and settings as well as weaning strategies were registered at the initiation and then, daily throughout the course of mv for up to 28 days. ？cu and hospital mortality were recorded. resulte: of 588 patients admitted, 156 (26.5%) received mv (57% males). mean age and simplified acute physiology score-ii (sapsii) were 54.6±18years and 40.6±16.4 points respectively the most common indications for mv were acute respiratory failure (71.1%) and coma (22.4%). assist-control mode (71.6%) and synchronized intermittent mandatory ventilation (simv) (14,2%) were the most frequently used. t-tube was the main weaning strategy. mean duration of mv and length of stay in icu were 7.8±8.7 and 11.1± 14 days respectively. overallicumortality was 33.9% (53patients). the main factors independently associated with increased mortality were (1) saps ii ≥ 60 points (odds patio (or), 10.5; 95% ci, 1.04-106.85) and (2) plateaupressure ≥ 30 cm hfi atsecond day (or, 3.9; 95% ci, 1.17-12.97). conclusions: conditionspresent at the onsetofmvand ventilator management were similar to those reported in the literature. magnitude ofmultiorgan dysfunction and high plateau pressures are the most important factors associated with mortality).
Patient Satisfaction Index and Quality of Life Measurement with Breast-Q after Breast Reconstruction in a Plastic Surgery Center in Mexico  [PDF]
Jose C. Martinez-López, Jaime A. García-Espinoza, David Flores-Soto, Carlos I. Navarro-Delgadillo, Cuahutemoc Márquez-Espriella, Rodrigo Dávila-Diaz, Esteban I. Campos-Serna, Víctor H. Avalos-Gómez
Journal of Biosciences and Medicines (JBM) , 2021, DOI: 10.4236/jbm.2021.96009
Abstract: Introduction: Cancer is one of the most devastating pathologies to affect the breast. Mastectomy stigmas are associated with depression, body image dysmorphia, and decreasing quality of life. BREAST-Q is a PROM (Patient Reported Outcome Measures) that has proven useful in measuring satisfaction with breast reconstruction results from the patient’s point of view. Objectives: To measure the satisfaction index and improvement in quality of life after breast reconstruction for breast cancer sequelae in our hospital in the last 5 years. Materials and Methods: Descriptive Study that includes patients with Breast cancer diagnosis that underwent mastectomy and breast reconstruction (prosthesis or autologous tissue) in “Hospital Central Sur de Petroleos Mexicanos” (January 2015 to January 2020), whose satisfaction index was measured with BREAST-Q one year after reconstruction. Results: 153 patients were included in the analysis. Mean global satisfaction was 74 points. We observed a tendency towards higher psychosocial, sexual and appearance satisfaction in patients who underwent reconstruction with autologous tissue. The mean satisfaction with provided information was 64 points and with the medical team > 90 points. Conclusion: Breast reconstruction is associated to a high satisfaction index and quality of life improvement regardless of the technique. BREAST-Q proved to be useful in evaluating patient experience and it helped us identify areas of opportunity to improve our care.
La increíble empresa de Sarmiento de Gamboa y su triste fin: Posibles causas de la tragedia en el Estrecho de Magallanes en el siglo XVI
ESPINOZA G,JUAN PABLO; ESPINOZA G,RICARDO;
Revista médica de Chile , 2010, DOI: 10.4067/S0034-98872010001200017
Abstract: the attempts to colonize the strait of magellan soon followed the discovery of this route. pedro sarmiento de gamboa, a spanish sailor, established human settlements to fortify those lands and control the transit of vessels, especially those of english corsairs, which devastated chilean and peruvian coasts. during the summer of 1584, approximately 500 soldiers, artisans, priests, women and children established two villages called ？nombre de jesús？ and ？rey don felipe？. from the beginning, these settlers had leadership and communication problems and difficulties to obtain food. after three winters only 17 to 18 people survived according to the testimony of one of the survivors, that was rescued by an english sailor named cavendish, which renamed the village ？rey don felipe？ as ？port famine？. when he observed the scenes of abandonment and death, he supposed that the settlers died due to lack of food. other factors that facilitated the desolation were hypothermia, execution, anthropophagy and lesions caused by natives. there is also a possibility that intoxication by red tide (harmful algal bloom) could explain in part the finding of unburied corpses in the strait beaches.
La increíble empresa de Sarmiento de Gamboa y su triste fin: Posibles causas de la tragedia en el Estrecho de Magallanes en el siglo XVI The possible causes of the tragedy of “Port Famine” in the Strait of Magellan
JUAN PABLO ESPINOZA G,RICARDO ESPINOZA G
Revista médica de Chile , 2010,
Abstract: The attempts to colonize the Strait of Magellan soon followed the discovery of this route. PeDro Sarmiento de Gamboa, a Spanish sailor, established human settlements to fortify those lands and control the transit of vessels, especially those of English corsairs, which devastated Chilean and Peruvian coasts. During the summer of 1584, approximately 500 soldiers, artisans, priests, women and children established two villages called “Nombre de Jesús” and “Rey Don Felipe”. From the beginning, these settlers had leadership and communication problems and difficulties to obtain food. After three winters only 17 to 18 people survived according to the testimony of one of the survivors, that was rescued by an English sailor named Cavendish, which renamed the village “Rey Don Felipe” as “Port Famine”. When he observed the scenes of abandonment and death, he supposed that the settlers died due to lack of food. Other factors that facilitated the desolation were hypothermia, execution, anthropophagy and lesions caused by natives. There is also a possibility that intoxication by red tide (harmful algal bloom) could explain in part the finding of unburied corpses in the strait beaches.
ESTADO, COMUNIDADES LOCALES Y ESCUELAS PRIMARIAS EN EL DEPARTAMENTO DE LIMA, PERú (1821 - 1905)
Espinoza,G. Antonio;
Cuadernos de historia (Santiago) , 2011, DOI: 10.4067/S0719-12432011000100004
Abstract: this article shows that from independence up to the early twentieth century, regional, provincial and district elites in lima used the growing educational apparatus to achieve and maintain political hegemony, and that patronage was a key mechanism in this pattern. many of the alleged and real deficiencies of primary education were directly linked to the search for political power and material resources.
En relación a Cleopatra y los venenos de serpiente
Espinoza G,Ricardo;
Revista médica de Chile , 2001, DOI: 10.4067/S0034-98872001001000017
Abstract: cleopatra vii, one of the last egyptian sovereigns of the ptolomeic dynasty, is envisioned as a mythic figure, surrounded by intrigues and mystery. her mysterious death was caused, according to history, by a snake bite. this article shows some instances of great cleopatra's life and the state of the art on snake venoms. even at the present time, snake bites are a public health problem in asia, africa, central and south america, causing more than 25000 deaths every year. most snake venoms have a protein structure and cause neurotoxic and hemolytic effects, altering coagulation and fibrinolysis. the mortality due to snake bites fluctuates between 1 and 22%. specific treatment includes the use of specific antiserums with highly purified components (rev méd chile 2001; 129: 1222-26).
Factores que dominan la elección de la especialidad quirúrgica
Ricardo Espinoza G
Revista Chilena de Cirugía , 2010,
Abstract:
Pinceladas de la medicina chilena en el siglo XIX: A 200 a os de la Independencia Some aspects of Chilean medicine in the 19th century: 200 years after Independence
RICARDO ESPINOZA G
Revista Chilena de Cirugía , 2010,
Abstract:
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