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Acute oxalate nephropathy after ingestion of star fruit.
Am J Kidney Dis. 2001 Feb; 37(2):418-22.AJ

Abstract

Acute oxalate nephropathy associated with ingestion of star fruit (carambola) has not been reported before. We report the first two cases. These patients developed nausea, vomiting, abdominal pain, and backache within hours of ingesting large quantities of sour carambola juice; then acute renal failure followed. Both patients needed hemodialysis for oliguric acute renal failure, and pathologic examinations showed typical changes of acute oxalate nephropathy. The renal function recovered 4 weeks later without specific treatment. Sour carambola juice is a popular beverage in Taiwan. The popularity of star fruit juice is not compatible with the rare discovery of star fruit-associated acute oxalate nephropathy. Commercial carambola juice usually is prepared by pickling and dilution processes that reduce oxalate content markedly, whereas pure fresh juice or mild diluted postpickled juice for traditional remedies, as used in our cases, contain high quantities of oxalate. An empty stomach and dehydrated state may pose an additional risk for development of renal injury. To avoid acute oxalate nephropathy, pure sour carambola juice or mild diluted postpickled juice should not be consumed in large amounts, especially on an empty stomach or in a dehydrated state.

Authors+Show Affiliations

Division of Nephrology, Department of Internal Medicine and Department of Pathology, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Case Reports
Journal Article

Language

eng

PubMed ID

11157385

Citation

Chen, C L., et al. "Acute Oxalate Nephropathy After Ingestion of Star Fruit." American Journal of Kidney Diseases : the Official Journal of the National Kidney Foundation, vol. 37, no. 2, 2001, pp. 418-22.
Chen CL, Fang HC, Chou KJ, et al. Acute oxalate nephropathy after ingestion of star fruit. Am J Kidney Dis. 2001;37(2):418-22.
Chen, C. L., Fang, H. C., Chou, K. J., Wang, J. S., & Chung, H. M. (2001). Acute oxalate nephropathy after ingestion of star fruit. American Journal of Kidney Diseases : the Official Journal of the National Kidney Foundation, 37(2), 418-22.
Chen CL, et al. Acute Oxalate Nephropathy After Ingestion of Star Fruit. Am J Kidney Dis. 2001;37(2):418-22. PubMed PMID: 11157385.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Acute oxalate nephropathy after ingestion of star fruit. AU - Chen,C L, AU - Fang,H C, AU - Chou,K J, AU - Wang,J S, AU - Chung,H M, PY - 2001/2/7/pubmed PY - 2001/5/22/medline PY - 2001/2/7/entrez SP - 418 EP - 22 JF - American journal of kidney diseases : the official journal of the National Kidney Foundation JO - Am J Kidney Dis VL - 37 IS - 2 N2 - Acute oxalate nephropathy associated with ingestion of star fruit (carambola) has not been reported before. We report the first two cases. These patients developed nausea, vomiting, abdominal pain, and backache within hours of ingesting large quantities of sour carambola juice; then acute renal failure followed. Both patients needed hemodialysis for oliguric acute renal failure, and pathologic examinations showed typical changes of acute oxalate nephropathy. The renal function recovered 4 weeks later without specific treatment. Sour carambola juice is a popular beverage in Taiwan. The popularity of star fruit juice is not compatible with the rare discovery of star fruit-associated acute oxalate nephropathy. Commercial carambola juice usually is prepared by pickling and dilution processes that reduce oxalate content markedly, whereas pure fresh juice or mild diluted postpickled juice for traditional remedies, as used in our cases, contain high quantities of oxalate. An empty stomach and dehydrated state may pose an additional risk for development of renal injury. To avoid acute oxalate nephropathy, pure sour carambola juice or mild diluted postpickled juice should not be consumed in large amounts, especially on an empty stomach or in a dehydrated state. SN - 1523-6838 UR - https://www.unboundmedicine.com/medline/citation/11157385/Acute_oxalate_nephropathy_after_ingestion_of_star_fruit_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0272638601941058 DB - PRIME DP - Unbound Medicine ER -