AJR. American journal of roentgenology
-
AJR Am J Roentgenol · Oct 1997
Blunt abdominal trauma in children: impact of CT on operative and nonoperative management.
The purpose of this study was to evaluate the impact of CT on operative management of children examined after blunt abdominal trauma. ⋯ CT rarely influenced the decision for operative intervention in children who sustained blunt abdominal trauma. CT findings affected the decision for operative intervention in most children with hollow viscus injury; however, CT findings affected such a decision in only a small subset of children with solid viscus injury. Normal abdominal CT findings strongly predicted a lack of subsequent deterioration requiring operative intervention.
-
AJR Am J Roentgenol · Oct 1997
Efficacy of ketamine hydrochloride sedation in children for interventional radiologic procedures.
The purpose of this study was to evaluate the efficacy of ketamine hydrochloride sedation in children younger than 11 years old who underwent short interventional radiologic procedures. ⋯ Ketamine hydrochloride provides excellent sedation and analgesia in young children. The short induction time, rapid recovery, and minimal respiratory depression are features that make this sedative ideal for interventional radiology.
-
AJR Am J Roentgenol · Oct 1997
Comparative StudyMR imaging of the gastrointestinal tract with i.v., gadolinium and diluted barium oral contrast media compared with unenhanced MR imaging and CT.
To determine an optimal MR imaging technique and pulse sequence for evaluating mural and serosal disease of the gastrointestinal tract, we administered 2% oral barium sulfate and obtained fat-suppressed gadolinium-enhanced breath-hold fast multiplanar spoiled gradient-recalled (FMPSPGR) MR images. We then compared these images with spin-echo T1-weighted and T2-weighted fast spin-echo MR images and with CT images. ⋯ MR evaluation of the gastrointestinal tract requires bowel distention with oral contrast material as well as motion reduction techniques, including glucagon and rapid gradient-echo pulses that allow breath-hold imaging. Fat-suppressed gadolinium-enhanced FMPSPGR MR imaging with diluted barium oral contrast media is effective for imaging benign and malignant mural and serosal abnormalities of the gastrointestinal tract.
-
AJR Am J Roentgenol · Sep 1997
Randomized Controlled Trial Clinical TrialA sonographically guided technique for central venous access.
The internal jugular vein (IJV) is an important access to the central venous system. We compared sonographically guided technique with the traditional anatomic landmark technique for IJV catheterization. ⋯ The sonographically guided technique is associated with less risk and less inconvenience for patients, especially critically ill patients, for whom the technique provides fast, safe, and easy IJV catheterization.
-
AJR Am J Roentgenol · Sep 1997
Clinical application of the Ottawa ankle rules for the use of radiography in acute ankle injuries: an independent site assessment.
Previous studies show that the clinical criteria known as the Ottawa ankle rules (OAR), used for determining the need for radiographs of the ankle when a fracture is suspected, have a sensitivity of 100%, a specificity of 50%, and an overall reduction in radiographs of the ankle of 28%. The purpose of this study was to further assess the clinical usefulness of the OAR when implemented in an emergency department of a level 1 trauma center. ⋯ When implemented at a level 1 trauma center, the OAR can adequately screen for ankle fractures.