[Spinal anesthesia versus general anesthesia for inguinal hernia repair: propensity score analysis].

Background: Administrative database, used previously for control of cost, patient flow and invoicing, offer to researchers a large sample of patients representative of population providing interesting information's in the field of descriptive and analytic epidemiology with less cost.

Aim: To compare spinal to general anesthesia for inguinal hernia repair concerning a population extracted from administrative database after propensity matched analysis.

Methods: Prospective study concerning 4690 hospitalizations in Department B of General Surgery of Charles Nicolle hospital during a period of 18 months, between June 1st, 2008 and December 31st, 2009.

Emphysematous pyelitis: epidemiological, therapeutic and evolutive features.

Aim: Emphysematous pyelitis is an uncommon form of acute pyelonephritis. It has been reported sporadically in the literature. Our objective is to study the epidemiological, clinical and therapeutic characteristics of emphysematous pyelitis.