Ruth Schwermann

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15 percent of the surgical patients today are 70 years of age and older (lethality 21 %). A computer analysis of 1,782 surgical case histories has shown that not the age itself, but the high comorbidity is the essential factor of perioperative risk: Hemoglobine < 10 g %, creatinine > 1.5 mg %, serumproteines < 6 g %, potassium < 3.5 mmol/1. The intensive(More)
Controlling and monitoring of crack origin and evolution of concrete elements is an important task in research of building materials. The efficiency of the reinforcement to the bearing capacity depends among other on the limited crack evolution. Regarding the research of crack evolution at the surface of the element, photogrammetry is approved, because it(More)
The case histories of 1005 patients over 70 were studied retrospectively; 496 had undergone abdominal operations (lethality = 30%) and 509 extraabdominal operations (lethality = 14%). For each patient 75 items of information recorded in the preoperative period are compared with 50 items recorded during and after surgery. There is a correlation between(More)
The case histories of 1005 patients over 70 years old were studied retrospectively. For each patient 75 preoperative items of information are compared with 50 items recorded during and after surgery. There is a negative correlation between preoperative preparation in days and postoperative complications and lethality: 1-day preparation 42% lethality; 2–5(More)
1005 case histories of patients, older than 70 years, were studied retrospectively: 496 abdominal interventions (lethality - 29%), 509 extraabdominal interventions (lethality - 14%). In each patient 75 preoperative data are compared to 50 data of the intraoperative and postoperative period. There is a correlation between preoperative findings and(More)
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