Hemostatic DisordersAnalgesiaAnalgesia, EpiduralNerve BlockAnalgesia, ObstetricalAnalgesia, Patient-ControlledPain, PostoperativeParaspinal MusclesThoracotomyBupivacaineAnesthetics, LocalAnalgesics, OpioidPain MeasurementThoracic VertebraeMorphineGanglia, SympatheticInterpleural AnalgesiaThoracic Surgical ProceduresRib FracturesSurgical SpongesSpondylitisAnesthesia, EpiduralExtravasation of Diagnostic and Therapeutic MaterialsAnesthesia, SpinalPleuraAcupuncture AnalgesiaSpineFentanylAnesthesia, ConductionAnesthesia, GeneralAnalgesics