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Ann Afr Med. 2019 Oct-Dec;18(4):191-195. doi: 10.4103/aam.aam_18_19.

Prevalence and pattern of chronic kidney disease-mineral bone disorders among hemodialysis patients in kano, northwest nigeria.

Author information

1
Department of Internal Medicine, Abubakar Tafawa Balewa University Teaching Hospital, Bauchi, Nigeria.
2
Department of Internal Medicine, Bayero University/Aminu Kano Teaching Hospital, Kano, Nigeria.
3
Department of Medicine, Obafemi Awolowo University Teaching Hospital Complex, Ile Ife, Osun, Nigeria.

Abstract

in English, French

Introduction:

Mineral and bone disorders (MBD) are among the important complications of chronic kidney disease (CKD) including end-stage renal disease. In addition to the higher rate of all-cause and cardiovascular-related mortality, MBD is also a cause of significant morbidity in CKD patients.

Materials and Methods:

This is a cross-sectional study of all consenting patients on hemodialysis at Aminu Kano Teaching Hospital, between December 2011 and June 2012. With the aid of an interviewer-administered questionnaire, the demographic profile and clinical features of the patients were obtained. After a general physical examination, blood sample was taken for the determination of calcium, phosphate, intact parathyroid hormone, 25 hydroxy (25[OH]) Vitamin D3, packed cell volume, serum creatinine, and potassium.

Results:

Forty-eight patients on maintenance hemodialysis were recruited for the study, 39 (81.3%) were male and 9 (18.8%) were female. The age range was 40-59 years, with a mean of 45.96 ± 13.7 years. Chronic glomerulonephritis was the predominant cause of CKD (25%). Hyperphosphatemia was noted in 19 (39.5%) of the patients, whereas 22 (46%) had hypocalcemia. In 26 (54.1%) of the patients, the calcium-phosphate product was >4.55 mmol2/L2. We found that 58% of the patients had CKD-MBD, of which 15 (31%) had secondary hyperparathyroidism, whereas 13 (27%) had features suggestive of adynamic bone disease. None of the patient had normal serum 25(OH) Vitamin D3(mean: 43.79 ± 21 ng/ml).

Conclusion:

CKD-MBD is common among patients on hemodialysis in our center. Screening for CKD-MBD and appropriate use of phosphate binder and Vitamin D when indicated are highly recommended.

KEYWORDS:

Biochemical markers; Northwest Nigeria; chronic kidney disease-mineral bone disorders; maintenance hemodialysis

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