Ozturk, E The beneficial effects of preperitoneal catheter analgesia following colon and rectal resections: a prospective, randomized, double-blind, placebo-controlled study. [electronic resource] - Techniques in coloproctology Sep 2011 - 331-6 p. digital Publication Type: Journal Article; Randomized Controlled Trial ISSN: 1128-045X Standard No.: 10.1007/s10151-011-0720-6 doi Subjects--Topical Terms: AdolescentAdultAgedAnalgesia, Epidural--economicsAnalgesia, Patient-Controlled--economicsAnalgesics, Opioid--administration & dosageAnesthesia, Local--economicsAnesthetics, Local--administration & dosageBupivacaine--administration & dosageColorectal Surgery--adverse effectsDouble-Blind MethodFemaleFentanyl--administration & dosageForced Expiratory Volume--drug effectsHumansInstillation, DrugLevobupivacaineMaleMiddle AgedOxygen--bloodPain MeasurementPain, Postoperative--drug therapyPeritoneum--drug effectsProspective StudiesVital Capacity--drug effectsYoung Adult