Journal
UROLITHIASIS
Volume 49, Issue 2, Pages 95-122Publisher
SPRINGER
DOI: 10.1007/s00240-020-01236-0
Keywords
Kidney stones; Calcium oxalate; Urolithiasis; Nephrolithiasis; Medicinal plants; Herbal medicine; Traditional medicine
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Urolithiasis, an ancient disease, has sparked interest in herbal remedies for treatment. Current research focuses on in vivo studies, primarily examining the impact of plant extracts on stone formation.
Urolithiasis is one of the oldest diseases affecting humans, while plants are one of our oldest companions providing food, shelter, and medicine. In spite of substantial progress in understanding the pathophysiological mechanisms, treatment options are still limited, often expensive for common people in most parts of the world. As a result, there is a great interest in herbal remedies for the treatment of urinary stone disease as an alternative or adjunct therapy. Numerous in vivo and in vitro studies have been carried out to understand the efficacy of herbs in reducing stone formation. We adopted PRISMA guidelines and systematically reviewed PubMed/Medline for the literature, reporting results of various herbal products on in vivo models of nephrolithiasis/urolithiasis. The Medical Subject Heading Terms (Mesh term) Urolithiasis was used with Boolean operator AND and other related Mesh Unique terms to search all the available records (July 2019). A total of 163 original articles on in vivo experiments were retrieved from PubMed indexed with the (MeshTerm) Urolithiasis AND Complementary Therapies/Alternative Medicine, Urolithiasis AND Plant Extracts and Urolithiasis AND Traditional Medicine. Most of the studies used ethylene glycol (EG) to induce hyperoxaluria and nephrolithiasis in rats. A variety of extraction methods including aqueous, alcoholic, hydro-alcoholic of various plant parts ranging from root bark to fruits and seeds, or a combination thereof, were utilized. All the investigations did not study all aspects of nephrolithiasis making it difficult to compare the efficacy of various treatments. Changes in the lithogenic factors and a reduction in calcium oxalate (CaOx) crystal deposition in the kidneys were, however, considered favorable outcomes of the various treatments. Less than 10% of the studies examined antioxidant and diuretic activities of the herbal treatments and concluded that their antiurolithic activities were a result of antioxidant, anti-inflammatory, and/or diuretic effects of the treatments.
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