Deep Purple Urine

Caldeira, Daniel; Colaço, Maria Luísa; Heitor, Susana; Bragança, Nuno

doi:10.2169/internalmedicine.49.4355

Intern. Med.

2010

DOI: 10.2169/internalmedicine.49.4355

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Deep Purple Urine

Daniel Caldeira

Maria Luísa Colaço

Susana Heitor

et al.

Abstract: A 50-year-old man was admitted with a complicated pneumonia. During his long-term inpatient stay, a plastic urinary catheter was positioned. A month after admission the patient's urine became purple (Picture 1). The patient was apyretic and did not have lower urinary tract symptoms but was constipated. Urinalysis revealed pH 7.8, leucocyturia

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Purple Urine Bag Syndrome: More Than Eyes Can See

Sabanis¹,

Paschou²,

Papanikolaou³

et al. 2019

Current Urology

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Background/Aims: Purple urine bag syndrome (PUBS) is an uncommon clinical entity characterized by purple urine discoloration in the setting of urinary tract infections. Pa-thophysiology of PUBS has been correlated to aberrant metabolism of tryptophan. Multiple predisposing factors have been recognized, namely: female gender, advanced age, constipation, institutionalization, long-term catheter-ization, dementia and chronic kidney disease. Herein, we present a comprehensive review of all PUBS cases reported in PubMed, focusing on the predisposing factors and the microorganisms related to PUBS. Methods: We performed a search in PubMed database for articles referring to PUBS, published in English, French, Spanish and German from January 1978 until November 2017. The literature recruitment strategy was based on several keywords and Medical Subject Heading combination such as “purple urine bag syndrome” or PUBS or “urine discoloration”. The finally selected articles were categorized into case reports/series (88 articles including 112 patients) and studies (10 articles including 134 patients). Demographical data as well as predisposing factors were recorded and further analyzed. Results: According to our findings, mean age of PUBS patients was 78.9 ± 12.3 years, 70.7% were female while 90.1% were suffering from constipation, 76.1% were in a bedridden situation, 45.1% were experiencing long-term catheterization, 42.8% had been diagnosed with dementia, 14.3% had recurrent urinary tract infections and 14.1% were chronic kidney disease patients. 91.3% of patients presenting with PUBS alkaline urine were observed while the most common microbe in urine cultures was E. coli. Conclusions: PUBS is considered benign process in the majority of catheterized patients. Clinicians should be aware of the syndrome that may indicate serious comorbidities.

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Purple Urine Bag Syndrome: More Than Eyes Can See

Sabanis¹,

Paschou²,

Papanikolaou³

et al. 2019

Current Urology

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An annotated bibliography of recent significant publications on indigo and related compounds

Cooksey

2012

Biotechnic & Histochemistry

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Deep Purple Urine

Cited by 2 publications

References 1 publication

Purple Urine Bag Syndrome: More Than Eyes Can See

Purple Urine Bag Syndrome: More Than Eyes Can See

An annotated bibliography of recent significant publications on indigo and related compounds

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