[A new type of trocar with a membrane seal for the second puncture in laparoscopy].
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Biomedical subjects
Publications and source records attributed to S Lipenský.
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The authors describe an unusual origin of haemoperitoneum in a young woman. The hemoperitoneum appeared twice in a period of 10 months. The first attack was mild and atypic. In both cases the hemoperitoneum was preceded by a sexual intercourse, during which the ovary resp. the ovarian cyst were injured. The authors suggest that the coital rupture of the ovary is a very common cause of these states. The diagnosis of inapparent bleeding in the abdominal cavity is always very difficult and without laparoscopic examination almost impossible. The full developed hemoperitoneum with all its clinical signs does not implicate diagnostic difficulties, but the state of these women is very serious. The diagnosis will be a problem, when the bleeding occurs slowly, without pain and without known aetiology.
The authors report on two seldom observed complications of vacuum extraction, infraction or fracture of the parietal bone of newborn. They healed up without sequels in the further psychomotoric development. The authors consider vacuum extraction as a contribution to obstetric operation practise. They recommend smaller cups with a maximum diameter of 40 mm and a suction vacuum only to 0,6 kp/cm2 (0,06 M Pa) to be used.
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Acid-base balance of fetus in capillary and umbilical blood has been examined in two series of newborns: 30 newborns delivered by breech presentation and 15 newborns delivered spontaneously by vetex presentation without complications. Following parameters have been evaluated: pH, pCO2, BE and HCO3 (actual bicarbonate content). Differences between the parameters of acid-base balance, mainly the values of pH and pCO2 in capillary blood and in a. umbilicalis of the fetus direct to the fact that acidosis of the fetus with elevated values of pCO2 is a typical finding in labors by breech presentation and is due to compression of umbilical vessels during labor.
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