Case report: Purple urine bag syndrome

doi:10.1186/cc2853

Critical Care
Volume 8
Issue 3

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Ribeiro JP
Marcelino P
Marum S
Fernandes AP
Grilo A

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Marcelino P
Marum S
Fernandes AP
Grilo A
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Case report: Purple urine bag syndrome

Joaquim Palmeiro Ribeiro¹ , Paulo Marcelino², Susan Marum², Ana Paula Fernandes² and Ana Grilo³

¹Director, Intensive Care Unit, Curry Cabral Hospital, Lisbon, Portugal

²Consultant in Internal Medicine, Intensive Care Unit, Curry Cabral Hospital, Lisbon, Portugal

³Resident in Internal Medicine, Curry Cabral Hospital, Lisbon, Portugal

author email corresponding author email

Critical Care 2004, 8:R137doi:10.1186/cc2853


Published:	31 March 2004

Abstract

Purple urine bag syndrome (PUBS) was first reported in 1978. PUBS is rare, occurs predominantly in constipated women, chronically catheterized and associated with some bacterial urinary infections that produce sulphatase/phosphatase. The etiology is due to indigo (blue) and indirubin (red) or to their mixture that becomes purple. A chain reaction begins in the gastrointestinal tract with tryptophan as described in the article.