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At least 685 records · Page 38Linked to original sources
PubMed1978

Operative fluoroscopy and cholangiography. The use of modern radiologic technics during surgery.

Operative cholangiography as currently performed in many hospitals in the United States may be a cumbersome procedure yielding less than optimal information. For maximal accuracy and diagnostic yield, operative radiographic examination of the biliary tract should include fluoroscopic observation and aimed spot films. The advantages gained by using modern radiologic equipment and technics are increased image clarity, increased capability for functional assessment of a dynamic system, increased efficiency, and decreased radiation hazard. In a series of 100 patients undergoing operative cholangiography by our technic, only one retained stone was demonstrated by postoperative studies. Five anomalies of the ductal system were easily identified and possible injury to the anomalous ducts averted. Considering the morbidity and mortality attendant upon inadequate or inappropriate biliary tract operations, investment in the sophisticated equipment necessary for optimal operative radiography is small indeed.

Biliary Tract Surgical Procedures↗
PubMed1987

Extracorporeal shock-wave lithotripsy (ESWL) of pelvic kidney calculus. Use of C-arm fluoroscopy for correct patient positioning.

Extracorporeal shock-wave lithotripsy (ESWL) is the preferred treatment modality for renal and upper ureteral calculi. It is usually reserved, however, for urinary tract calculi above the iliac crest of the bony pelvis. A calyx calculus in a pelvic kidney was successfully treated with ESWL by using a C-arm fluoroscope to simulate the exact direction of the shock waves. The patient was then positioned so that the shock waves entered below the sacrosciatic notch. This same technique of exact patient positioning may have application in the treatment of some lower ureteral calculi.

Adult↗
PubMed2006

Detection of perfusion disturbances in digit replantation using near-infrared spectroscopy and serial quantitative fluoroscopy.

PURPOSE: The postoperative monitoring of digit replants continues to be a challenge. Current objective methods of digit monitoring have not been adopted widely because of their complexity or lack of sensitivity. Because tissue oxygen tension correlates directly with vascular inflow, a device that tracks changes in tissue oxygenation may be useful to monitor the perfusion and viability of digits after revascularization. A clinical study was undertaken to evaluate noninvasive monitoring of tissue oxygenation using near-infrared spectroscopy in postoperative digit replantation. METHODS: Forty-eight patients were enrolled and 64 digits were monitored at 1 institute. There were 43 male and 5 female patients with an average age of 41 years (range, 13-79 y). Digits were monitored by clinical examination, fluorescein, and a tissue oximeter at 1- to 2-hour intervals for 24 to 48 hours. RESULTS: Sixty-one digits survived and 3 digits failed. In the surviving digits the fluorescein and tissue oxygen saturation (StO2) readings were similar to the control digit readings. There were no significant differences between fluorescein and StO2 or between StO2 readings for control and surviving digits. In the digits that failed to survive both fluorescein and StO2 readings were significantly lower in the failed compared with control digits. The StO2 values for failed digits were 30% to 70% lower and showed greater variation than the StO2 values for the control digits. There were no complications associated with fluorescein or tissue oxygenation measurements. CONCLUSIONS: Near-infrared spectroscopy measurement of tissue oxygenation correlates with fluorescein monitoring and digit perfusion. This noninvasive monitoring is easy, reliable, safe, and useful in postoperative monitoring of digit replantation. TYPE OF STUDY/LEVEL OF EVIDENCE: Diagnostic, Level I.

Adolescent↗