Covert postpartum urinary retention

Postpartum urinary retention.

BACKGROUND Urinary retention is a common and frustrating complication in women during the immediate postpartum period. Physiologic changes in the bladder that occur during pregnancy predispose patients to develop symptomatic retention of urine during the first hours to days after delivery. METHODS The incidence and characteristics of postpartum urinary retention were researched through a lite...

Covert Communications Despite Traffic Data Retention

Abstract. We show that Alice and Bob can communicate covertly and anonymously, despite Eve having access to the traffic data of most machines on the Internet. Our protocols take advantage of small amounts of shared state that exist in many TCP/IP stacks, and use them to construct a covert channel. Techniques inspired from Direct Sequence Spread Spectrum (DSSS) are used to make sure that the com...

Postpartum urinary retention after vaginal delivery: Assessment of risk factors in a case-control study.

OBJECTIVE To assess the obstetrics risk factors for postpartum urinary retention after vaginal delivery. MATERIAL AND METHODS Of 234 women with a vaginal delivery, 19 (8.1%) women who had postpartum urinary retention were cases, and 215 (91.9%) women who did not were controls. Postpartum urinary retention was defined as the presence of postvoid residual bladder volume ≥150 mL or the inability...

Benign transient urinary retention.

Three cases of acute urinary retention due to sacral myeloradiculitis are described. The authors stress the importance of diagnosing this rare and benign condition, which, in the past, has too often been mislabelled as either psychogenic or the first manifestation of a demyelinating disease.

Urinary retention in women.