PubMed · 662216
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R F Valle. 1978. Hysteroscopy.. https://pubmed.ncbi.nlm.nih.gov/662216/
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The author describes a new, unique, integrated suction-irrigation system for hydrodissection with bipolar instrumentation which has significantly facilitated the performance of advanced pelviscopic surgery on 350 patients in the department of gynecology between November 1, 1990 and October 31, 1992.
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We studied 332 patients with proven pregnancies. Prediction of hemoperitoneum by assessment of the Douglas pouch during bimanual examination had a false negative rate of 42.1%. The false negative rate for culdocentesis was 14.8%. It is therefore concluded that culdocentesis is not a useful tool in the diagnosis of suspected ectopic pregnancies.