Results: 5032

COVID-19: enfoque básico para entender sus tratamientos

Gac. méd. Méx; 156 (6), 2020
Resumen El virus SARS-CoV-2 ha sido identificado como el agente patológico causante de la pandemia de COVID-19. Aun cuando no se cuenta con un tratamiento estándar, se han probado antivirales como remdesivir y otros fármacos como cloroquina e ivermectina, que interfieren con la replicación del virus....

Actividad antimicrobiana de ceftolozano-tazobactam y ceftazidima-avibactam contra bacilos gramnegativos clínicamente relevantes aislados en México

Gac. méd. Méx; 156 (6), 2020
Resumen Introducción: Existe poca información acerca de la efectividad de las combinaciones ceftolozano/tazobactam y ceftazidima/avibactam en cepas clínicamente relevantes aisladas en México. Objetivo: Determinar el perfil antimicrobiano de ambos antibióticos en nuestra comunidad. Método: El pre...

Expression in Saccharomyces boulardii of recombinant Toxin-coregulated pilus A subunit (TcpA) of Vibrio cholerae O1

Cholera is endemic in over 50 countries with an estimated mortality of 100,000-120,000. Vaccination is considered the complementary key to prevent and control cholera; therefore, alternative vaccine preparations are needed. Toxin Co-regulated Pilus is part of the toxR virulence regulon, which is necessar...

Análise da Segurança e Exequibilidade do Ecocardiograma sob Estresse com Dobutamina em Dez Mil e Seis Exames de uma População Geral

ABC., imagem cardiovasc; 33 (4), 2020
Fundamento: Durante o ecocardiograma sob estresse com dobutamina, podem ocorrer efeitos adversos e exames inconclusivos. Objetivo: Avaliar em uma grande população geral a segurança e a exequibilidade do ecocardiograma sob estresse com dobutamina. Métodos: Estudo de 10.006 ecocardiogramas sob estresse...

Hipertensión ocular asociada al desprendimiento de la retina regmatógeno
Ocular hypertension associated to rhegmatogenous retinal detachment

Rev. cuba. oftalmol; 33 (4), 2020
Objetivo: Describir el comportamiento de la hipertensión ocular asociada al desprendimiento de la retina regmatógeno. Métodos: Se realizó un estudio observacional descriptivo de corte longitudinal retrospectivo de una serie de casos atendidos en la consulta de Vítreo-Retina del Instituto Cubano de O...

Esclerectomía profunda no penetrante en el glaucoma avanzado
Non-penetrating deep sclerectomy in advanced glaucoma

Rev. cuba. oftalmol; 33 (4), 2020
El tratamiento del glaucoma se realiza con el objetivo de disminuir los niveles de presión intraocular, único factor tratable hasta el momento, y debe ser individualizado. Se presenta un paciente masculino de 54 años de edad, de piel mestiza, intelectual, con antecedentes de aparente salud y diagnóst...

Comparison between subarachnoid morphine and femoral nerve block for analgesia after knee ligament reconstruction: a randomized clinical trial

Rev. bras. anestesiol; 70 (6), 2020
Abstract Background and objectives There are no consensus of the ideal technique to provide analgesia in knee ligament reconstructions. The aim of this study was to compare the intensity of postoperative pain in these patients under different modalities of analgesia. Method Randomized and controlled cl...

Propofol-ketamine versus dexmedetomidine-ketamine for sedation during upper gastrointestinal endoscopy in pediatric patients: a randomized clinical trial

Rev. bras. anestesiol; 70 (6), 2020
Abstract Background and objectives Day-case pediatric sedation is challenging. Dexmedetomidine is a sedative analgesic that does not induce respiratory depression. We compared dexmedetomidine to propofol when it was added to ketamine for sedation during pediatric endoscopy, regarding recovery time and h...

The morphology of paca (Cuniculus paca) testis with high dose of letrozole an aromatase inhibitor

Int. j. morphol; 38 (6), 2020
SUMMARY: The study reported the influence of the high and acute dose of Letrozole on the testis morphology in paca (Cuniculus paca), an aromatase inhibitor that reduces the endogenous estrogen, the essential hormone for spermatogenesis. Morphological changes were observed in seminiferous epithelium with ...

Histological comparison of two special methods of staining melanin in human skin

Int. j. morphol; 38 (6), 2020
SUMMARY: Human skin melanin was stained using the Fontana's silver nitrate method and Schmorl method. The results showed that, in the Fontana's silver nitrate method, melanin and silver-bound cells were black and other tissues were red. When stained using the Schmorl method, effects on melanin differed b...