Priapism-related biomarkers in sickle cell disease: a systematic review
Abstract
INTRODUCTION: Priapism is a major clinical complication of sickle cell disease (SCD), with severe sexual, reproductive, and mental health impact. There are currently no consensus diagnostic biomarkers for identifying individuals with SCD at risk of priapism before its occurrence.
OBJECTIVES: To systematically review the biochemical, hematological, imaging, genetic, and rheological parameters associated with priapism occurrence among individuals with SCD.
METHODS: A systematic literature search for studies investigating the association of biochemical, hematological, rheological, imaging, rheological, and genetic parameters with the occurrence of priapism in individuals with SCD was performed in the MEDLINE, Embase, and Cochrane databases, using the following terms: "priapism," "sickle cell," "biomarker," "marker," "laboratory," "radiographic," "diagnostic," and "predictive." A systematic review of the identified studies was conducted to describe the landscape of priapism-related biomarkers in individuals with SCD.
RESULTS: A total of 358 studies were identified, of which 14 studies were eventually selected for evidence synthesis. The selected studies were published between 2005 and 2023, with authorship spanning five continents. We identified multiple clinical parameters investigated as potential biomarker candidates for their association with priapism occurrence in patients with SCD. We classified these into biochemical (lactate dehydrogenase, bilirubin, aspartate…
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Evidence Hub reads this as a systematic review, done in people. Its evidence level is 1 of 5 (Highest · pooled evidence). Pooled evidence from several studies sits at the top of the evidence pyramid.
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