Objective
Develop and validate a questionnaire to evaluate the discomfort related to ureteral stent that is simple, hetero-self-administered
Material & Methods
A pilot instrument based on the ussq was designed, subsequently structured using the Delphi method and applied to 72 patients with ureteral stent after semirrigid ureteroscopy. For its validation, we use Cronbach's alpha and Pearson's coefficient.
Results
The udt designed by Likert scale model, with 6 dimensions: 1-urinary symptoms, 2-pain, 3-daily life, 4-sex life, 5-medical care / use of analgesics and 6-quality of life 6, 2, 1, 1, 2, 1 items respectively. The tool defines greater discomfort in the patient as the score increases by dimension and total score; The score increases according to the severity of the symptoms, with a max-score of 61 points. Validation studies made the questionnaire internally consistent (Cronbach 0.820) with good reliability (Pearson 0.850). The correlation of urinary symptoms (r = 0.929, p = 0.00), pain (r = 0.880, p = 0.00), daily life (r = 0.625, p = 0.00), quality of life (r = 0.768, p = 0.00) of both questionnaires was statistically significant. udt application time (m = 1.8min SD = 0.76) vs ussq (m = 8.3min SD = 0.76)
Limitants
Small sample that requires more patients to demonstrate the effectiveness of the questionnaire
Value
This questionnaire represents an easy tool to evaluate in a simply way the ureteral stent discomfort.
Conclusions
The udt is a tool of simple and rapid application, comparable to the USSQ, for the evaluation of symptoms related to the ureteral stent.
Recibido el 31 de julio de 2015; aceptado el 17 de septiembre de 2015 Disponible en Internet el 29 de octubre de 2015
PALABRAS CLAVE
Carcinoma renal; Metástasis; InmunohistoquímicaResumen El carcinoma renal representa el 2-3% de todos los cánceres y es la lesión sólida más frecuente del riñón. El diagnóstico incidental por medio de pruebas de imagen es de aproximadamente el 50%, siendo en la mayoría de los casos asintomático. El tratamiento quirúrgico radical es la base del manejo y el seguimiento posterior mediante técnicas de imagen es prioritario para detectar recidivas locales o sistémicas.Paciente masculino de 60 años de edad, con antecedente de nefrectomía radical izquierda hace 10 años por tumor renal. La manifestación clínica es hematuria macroscópica indolora. Se realiza UROTAC, en la cual se observa ureteropielectasia derecha con lesión ocupante de uréter en el tercio distal, que genera defecto de llenado negativo. Se realiza revisión endoscopia, escisión de la lesión y adyuvancia a base de inhibidor de tirosin cinasa (sorafenib).En este caso clínico destaca la importancia del seguimiento estrecho en pacientes con neoplasias renales ante la ausencia de conocimientos claros sobre el comportamiento metastásico y las rutas de diseminación tumoral predecibles en carcinoma de células renales.
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