Clinical management of Nutcracker's syndrome during pregnancy.

Background: The Nutcracker syndrome (mesoaortic compression of the left renal vein) is a rare condition which causes macroscopic hematuria and colic pain.

Methods: We have carried out a search in Medline database of the current trends in the management of this rare syndrome during pregnancy.

Results: We found four reports on diagnosis of the syndrome during pregnancy but there is no published articles concerning the management of pregnancy after diagnosis of a Nutcracker syndrome treated with a vascular stent.

Pneumomediastinum during the fourth stage of labor.

Postpartum spontaneous pneumomediastinum (Hamman's syndrome) is a very rare event with an estimated incidence of 1 in 100,000 deliveries. It occurs mainly in the second stage of labor and is potentially lethal. We report the case of a 29-year-old primiparous woman during the immediate puerperium (Leff's fourth stage of labor) presenting with acute chest pain, dyspnea and petechiae.