PubMed · 10251013
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T Eickhoff. 1981. Eickhoff describes methods for evaluating infection control programs.. https://pubmed.ncbi.nlm.nih.gov/10251013/
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The development of gynecology as a specialty, although primarily American in origin, was influenced in large degree by Robert Lawson Tait, a brilliant Scottish/English surgeon who practiced in the late 19th century. Tait, a self-proclaimed gynecologist, is perhaps most widely known as the first to perform salpingectomy to treat ruptured tubal pregnancy. He was also the first to record removal of an ovary for relief of pelvic pain and to induce menopause, perform salpingectomy for the treatment of tubal disease, and develop the technique of transverse transperineal repair of low rectovaginal fistulas. His scrupulous cleanliness was undoubtedly the forerunner of our modern aseptic methods. Tait's bold, innovative surgical techniques led to a significant decrease in surgical mortality, and his prescient, aggressive approach was at the forefront of changes in the practice of obstetrics, which resulted in a marked decrease in maternal morbidity and mortality. This master teacher, whose contributions inspired the next great generation of abdominal and pelvic surgeons, deserves greater recognition within our specialty.
The ability of 29 different breathing system filters (five pleated hydrophobic and 24 electrostatic) to prevent the passage of water was assessed. Five, 10 or 20 ml of water was added on to the patient side of the filter during ventilation of a patient model with the filter layer orientated either horizontally or vertically. Water did not pass through the filter layer during any of the 30 tests on the pleated hydrophobic filters. In contrast, water passed through the filter layer in 39 of the 144 tests on the electrostatic filters (27%; 95% CI for difference between the filter types 14-35%; p = 0.0004). For electrostatic filters, a smaller internal volume, a larger volume of water added, and having the filter layer horizontal rather than vertical all significantly increased the probability of water penetration. Although pleated hydrophobic filters would protect the breathing system against liquid contamination, electrostatic filters can also be used, provided the internal volume is chosen appropriately and the filter layer is vertical.