Quality of life scores among 411 medical students Background: The high academic burden may hamper the quality of life of medical students. Aim: To evaluate the quality of life (QOL) for medical students attending a Chilean university. Material and Methods: Four hundred eleven medical students aged 22 ± 2 years (51% women), studying in Santiago, Chile, answered online a validated Spanish version of the WHOQOL-BREF quality of life survey (scored from 0 to 100). Overall scores were assessed for the questionnaire domains Physical health, Psychological health, Interpersonal relationships, and Environment. Results: The global scores were 65.1 for Physical health, 63.1 for Psychological health, 61.3 for Interpersonal relationships and 67.2 for Environment. Students in clinical practice, females, those with sedentary behaviors and consuming modafinil had lower Physical health scores. Students coming from outside Santiago, with sedentary behaviors and who consumed modafinil had poorer Psychological health scores. Students coming from outside Santiago, males and those with sedentary behaviors had Lower Interpersonal relationship scores. Environment scores were also lower among students who were sedentary or from outside Santiago. Conclusions: The variables that had a greater negative impact in the quality of life of these students were the transition from theoretical courses to clinical practice, being from outside Santiago, being overweight or obese and consuming modafinil. Students that were physically active had better quality of life scores.

INTRODUCCIONLos reemplazos articulares de caderas enfermas alivian el sufrimiento y restauran la función de miles de personas año tras año.En E.U.A. se realizan 250.000 artroplastías de cadera anualmente. Sin embargo, como todo acto quirúrgico, no están exentas de complicaciones siendo la infección periprotésica sin duda la más temida, tanto por los costos emocionales inherentes al largo proceso de tratamiento a seguir, como por la implicancia económica que ésta tiene. El costo anual que representa el tratamiento de una artroplastía infectada en E.U.A. fue estimado en 1984 entre 40 y 80 millones de dólares. Actualmente se considera que un pa- Rev Chil Infect (2000); 17 (2): 92-100 INFECTOLOGIA AL DIA DIAGNOSIS AND TREATMENT OF HIP PROSTHESIS INFECTIONThe periprosthetic infection that occurs in about 1% of total hip arthroplasties, implies high emotional and economical cost for the patient and for health care systems, respectively. In this article the pathophysiology of this complication and the disposable diagnostic resources are reviewed. Two alternative treatments have been proposed: debridement with prosthesis retention or resection of the arthroplasty (in one or two times). Topical antibiotic benefits used for the prevention of prosthesis infection at total hip arthroplasty are refered.

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