American journal of surgery
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Comparative Study Clinical Trial
Outpatient inguinal herniorrhaphy with both regional and local anesthesia.
Fifty-three patients who were undergoing outpatient inguinal herniorrhaphy with short-acting regional anesthetic agents and local infiltration of a long-acting anesthetic were retrospectively compared with a matched population of 53 hospitalized patients who were undergoing herniorrhaphy with a long-acting regional anesthetic. There was a significantly greater incidence of urinary retention in the hospitalized patients who received long-acting regional anesthetic agents. ⋯ This can result in significant savings in hospital bills. We suggest that anesthesia for inguinal herniorrhaphy is most satisfactorily provided by the combination of a short-acting regional anesthetic agent and a long-acting local one.
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Case Reports
Method for intraoperative assessment of organ perfusion and viability using a miniature oxygen sensor.
A specially designed miniaturized Clark polarographic electrode was used to measure organ surface oxygen tension during surgical operations in 10 patients as a means of determining tissue perfusion and viability. When applied to organ surfaces, the sensor noninvasively provides real-time assessment of tissue PO2. ⋯ Tissue temperature is independently measured and may be used to assess the metabolic activity of the tissue monitored. Organ surface oximetry using the miniature PO2 sensor is a practical and repeatable method for the intraoperative assessment of organ perfusion and viability.