Authorized Agent-Controlled Analgesia for Pain Management in Critically Ill Adult Patients.

Background: Patient-controlled analgesia is commonly used for adult patients requiring parenteral opioid analgesia in the postoperative setting. However, many patients are unable to use patient-controlled analgesia because of physical or cognitive limitations. Authorized agent-controlled analgesia, in which a nurse or family member activates the patient-controlled analgesia device, has been studied in the pediatric population but has received little attention in adults.

Screening breast ultrasound: past, present, and future.

OBJECTIVE. This article discusses breast ultrasound for the detection of breast cancer in the screening environment, as well as strategies for integrating screening breast ultrasound, including automated breast ultrasound. CONCLUSION.

Breast-specific gamma imaging for the detection of breast cancer in dense versus nondense breasts.

Objective: The purpose of this study was to evaluate the sensitivity of breast-specific gamma imaging (BSGI) for the detection of breast cancer in dense versus nondense breasts.

Materials And Methods: This was a retrospective study of 341 women with biopsy-proven breast cancer diagnosed from January 2004 to August 2009 who underwent BSGI before surgical excision. Patients with predominantly fatty replaced (BI-RADS density 1) or scattered fibroglandular tissue (BI-RADS density 2) breasts were classified as nondense, and those with heterogeneously dense (BI-RADS density 3) or extremely dense tissue (BIRADS density 4) were classified as dense.