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Observational Study
. 2014 Sep-Oct;82(5):517-27.

[A standard questionnaire to reduce the routine battery of preoperative tests for elective surgery]

[Article in Spanish]
María Fernanda Torres-Ruiz  1 , Luis Eduardo Cárdenas-Lailson  2 , Martha Esthela Quiróz-Villegas  2 , Jesús Bravo-León  2
Affiliations
  • PMID: 25259431
Observational Study

[A standard questionnaire to reduce the routine battery of preoperative tests for elective surgery]

[Article in Spanish]
María Fernanda Torres-Ruiz et al. Cir Cir. 2014 Sep-Oct.

Abstract
in English, Spanish

Background: Preoperative medical testing in the United States is estimated at $3,000,000 USD per year. In an attempt to reduce this cost, some key points have been described with the purpose of promoting appropriate preoperative measurements with an adequate costObjective: To evaluate the utility of a preoperative standardized questionnaire in adult patients prior to elective surgery to detect which patients could be operated without laboratory testing.

Method: An observational, prospective and analytic study was carried out. The questionnaire has been applied to 176 patients, all adults scheduled for elective surgery from April 2011 to March 2012.

Results: There were 57.4% females and 42.6% males. Ages varied between 18 and 85 years old, with a median of 46 years; 40.3% of the patients were > 50 years old and 59.7% were < 50 years old. The negative predictive value of the questionnaire is 95.88% (CI 95.34-96.42%).

Conclusion: This questionnaire is a useful instrument to determinate the necessity of preoperative laboratory testing in young, clinical healthy and elective surgery patients in a general hospital.

Antecedentes: el costo de los exámenes preoperatorios en Estados Unidos se calcula en 3,000 millones de dólares anuales. Con la intención de disminuir este costo se han descrito algunos puntos clave que pueden promover una preparación preoperatoria con un adecuado costo-beneficio. Objetivo: evaluar la utilidad de la aplicación de un cuestionario estandarizado a pacientes adultos llevados a cirugía electiva para identificar a los que pudieran ser operados sin necesidad de estudios preoperatorios. Material y métodos: estudio observacional, prospectivo, analítico, en el que se aplicó un instrumento evaluador estandarizado a pacientes adultos para determinar la necesidad de realizar estudios preoperatorios programados para procedimientos electivos de cirugía general de abril de 2011 a marzo de 2012. Resultados: el cuestionario se aplicó a 176 pacientes, 57.4% mujeres y 42.6% hombres. La edad varió entre 18 y 85 años, con una media de 46 años. El 40.3% de los pacientes eran mayores de 50 años, y 59.7% menores de 50 años de edad. El valor predictivo negativo del cuestionario fue 95.8% (IC 95.34-96.42%). Conclusión: este cuestionario es una herramienta útil, que permite identificar a los pacientes jóvenes, clínicamente sanos, que no requieren estudios de laboratorio prequirúrgicos para cirugía electiva de cirugía general.

Keywords: Preoperative test; cirugía electiva; cuestionario; elective surgery; estandarizado; estudios preoperatorios; questionnaire; standardization.

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