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Revista Brasileira de Anestesiologia

Print version ISSN 0034-7094


BARBOSA, Ricardo Antônio Guimarães et al. A comparative study among three techniques of general anesthesia for ultrasound-guided transrectal prostate biopsy. Rev. Bras. Anestesiol. [online]. 2010, vol.60, n.5, pp.457-465. ISSN 0034-7094.

BACKGROUND AND OBJECTIVES: Ultrasound-guided transrectal prostate biopsy is a reference in the diagnosis of prostate neoplasias. The higher the number of samples, the greater is the pain and discomfort. The objective of this study was to compare three anesthetic techniques in this group of patients. METHODS: Forty-five patients were included in this study. Patients were divided into three groups: 1 - Propofol; 2 - Propofol + Prostatic Plexus Block; 3 - Propofol + Fentanyl. Patients were monitored with non-invasive blood pressure, continuous electrocardioscopy, pulse oximetry (SpO2), and Bispectral Index. Patients did not receive pre-anesthetic medication. Intraoperative and postoperative hemodynamic parameters, intraoperative bispectral index, and postoperative visual analogue scale (VAS) and the use of dypirone to treat postoperative pain were evaluated. RESULTS: A significant difference among the three groups was not observed for: anthropometric parameters, amount of propofol, number of fragments, and duration of the exam. Hemodynamic parameters and SpO2 presented similar behavior in all three groups. In group 1, the pain evaluated by the VAS was more severe and required more dypirone than in the other groups. CONCLUSIONS: Sedation with propofol alone for biopsy is associated with greater postoperative pain and discomfort than in prostatic plexus block or systemic fentanyl. Besides hypnosis, intraoperative analgesia is required to guarantee postoperative comfort

Keywords : ANESTHESIA, General; ANESTHESICS, Intravenous [propofol]; DISEASES, Oncology [prostata neoplasia]; PAIN, Postoperative; DIAGNOSIS EXAMS [prostata biopsy].

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