This paper discusses mobility control in the Joffre Viking field miscible CO 2 flood. Since 1984, three injection strategies have been tried: water-alternating-C0 2 (WAC0 2 ), continuous CO 2 , and simultaneous CO 2 and water. The studies showed that simultaneous injection results in the best CO 2 conformance. COrfoam injection has also been investigated.
Recent reports have been critical of the long-term results of ileal and colonic conduit diversion of urine in children, indicating a major complication rate of over 50%. The writer has therefore reviewed 26 consecutive personal cases, followed up for 6 to 20 years. Only 3 (12%) have had major problems, none related to the stoma, and possible reasons for the low complication rate are discussed. It is concluded that it is premature to condemn ileal conduit diversion of urine in children, when properly indicated, provided care in technique and follow-up is observed.
A review of all prostatectomies performed by urologists in Scotland during 1969-1974 is presented. Factors influencing the mortality rate are discussed and the steady increase in low-mortality (1.4%) transurethral prostatectomy noted.
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