Association Between Sensorineural Hearing Loss and Various Stages of Chronic Kidney Disease

2021 ◽  
Author(s):  
Shashank Kotian ◽  
Ashok S. Naik ◽  
Manjunath Revanasiddappa ◽  
Maniyankode Krishnamohan Goutham
Keyword(s):  
Chronic Kidney Disease ◽  
Hearing Loss ◽  
Kidney Disease ◽  
Pure Tone Audiometry ◽  
Sensorineural Hearing ◽  
Age Group ◽  
Cross Sectional ◽  
Stage 4 ◽  
Ckd Stage ◽  
The Mean

Abstract Objectives To compare the proportion of sensorineural hearing impairment (SHI) among patients of chronic kidney disease (CKD) stages 3&4 with CKD stage 5. Materials and Methods This is a cross-sectional study of 30 patients with CKD stages 3 and 4 and 30 patients in stage 5. All patients had an audiological evaluation with pure tone audiometry. Results Our study had 49 males (82%) and 11 females (18%), with the age ranging from 20 to 60 years (mean: 45.13 years). The mean SHI values in stage 3&4 were 28.44 dB and in CKD stage 5 was 31.22 dB. In the right ear, the mean hearing loss in stage 3, stage 4, and stage 5 was 28.17 dB, 28.67 dB, and 31.84 dB, respectively. In the left ear, the mean SHI values in stage 3, stage 4, and stage 5 were 27.05 dB, 31.89 dB, and 30.61 dB, respectively.The mean SHI in stage 3&4 for age group 20 to 30 years was 13.66 dB, for 31 to 40 years was 26.33 dB, for 41 to 50 years was 35.18 dB, for 51 to 60 years was 37.12 dB. The mean SHI in stage 5 for the age group of 20 to 30 years was 16.48 dB, for 31 to 40 years was 28.29 dB, for 41 to 50 years was 31.82 dB, for 51 to 60 years was 34.35 dB. There was a significant correlation between hearing loss and CKD with respect to age (p < 0.001). The duration of renal illness and associated comorbidities was not a significant contributor to hearing loss in our study (p > 0.05). Conclusion As per our study, with progression in the stage of chronic kidney disease, the hearing loss also increased indicating a possible link between the two. We also noted that the hearing loss increased with the increasing age.

To Study the Effect of Chronic Kidney Disease on Hearing Function of the Patients in a Tertiary Care Centre of North India

2021 ◽  
Vol 8 (36) ◽  
pp. 3288-3293
Author(s):  
Jasneet Kaur Sodhi ◽  
Vanita Sarin ◽  
Manish Chandey
Keyword(s):  
Chronic Kidney Disease ◽  
Hearing Loss ◽  
Kidney Disease ◽  
Sensorineural Hearing Loss ◽  
Tertiary Care ◽  
Pure Tone Audiometry ◽  
Sensorineural Hearing ◽  
Structural Level ◽  
Mild Degree ◽  
The Mean

BACKGROUND Chronic kidney disease (CKD) encloses a continuum of pathophysiological processes associated with deranged kidney function and a progressive decrease in glomerular filtration rate (GFR). There are many anatomic similitudes between cochlea and kidney at an ultra-structural level and antigenic level along with comparable physiological mechanisms, specifically, the active fluid and electrolytes transport in the cochlea and the kidney. The purpose of the present study was to determine the proportion, type and degree of hearing loss in patients with renal disease and its comparison according to the stage of CKD. METHODS The study was conducted on 60 patients of chronic kidney disease labelled as stage 3, 4 and 5 on the basis of GFR. An audiogram charted by pure tone audiometry was used to find the degree of hearing loss and its comparison in patients with moderate, severe and end stage CKD was done. The data was collected and analysed statistically. RESULTS The mean age of patients was 55.58 +/- 11.36 years and the mean duration of CKD was 15.61 months. 90 % patients of CKD had sensorineural hearing loss while 10 % had hearing sensitivity within normal limits. In the present study, mild degree hearing loss and high frequency hearing loss was found to be predominant constituting 68.3 % (n = 41) and 58.3 % (n = 35) respectively. Mild degree of hearing loss was a predominant finding irrespective of the stage and duration of CKD. CONCLUSIONS Sensorineural hearing loss was found predominantly amongst the CKD patients in our study population. Mild degree hearing loss was predominant but there was no correlation between stage of CKD and degree of hearing loss. While there was a significant correlation between degree of hearing loss with duration and haemodialysis amongst the non-diabetic CKD patients. KEYWORDS Chronic Kidney Disease, Sensorineural Hearing Loss

scholarly journals Hearing assessment in chronic kidney disease patients: a cross-sectional study

2020 ◽  
Vol 6 (5) ◽  
pp. 847
Author(s):  
Sachin Jain ◽  
Ved Prakash Upadhyay ◽  
Mohammed Aftab ◽  
Ram Siya Singh ◽  
Abhishek Kumar Dubey ◽  
...  
Keyword(s):  
Chronic Kidney Disease ◽  
Hearing Loss ◽  
Kidney Disease ◽  
Stria Vascularis ◽  
Pure Tone Audiometry ◽  
Dialysis Patients ◽  
Cross Sectional ◽  
Waste Products ◽  
Stage 4 ◽  
Hearing Assessment

<p class="abstract"><strong>Background:</strong> It is well known that chronic kidney disease (CKD) causes different systemic and otorhinolaryngologic manifestations due to the accumulation of waste products, osmotic alteration, and antigenic similarity between basement membrane of the glomerulus and stria vascularis of the inner ear.   </p><p class="abstract"><strong>Methods:</strong> The study subjects were divided into two groups, 50 CKD patients and 50 healthy volunteers in age group 15-60 years. All CKD patients and controls were subjected to hearing assessment using standard pure tone audiometry.  </p><p class="abstract"><strong>Results:</strong> For low frequency hearing loss increased from stage 2 and 3 to stage 4 and 5, and for high frequency hearing loss among stage 2 and 3 CKD patients was mild to moderate (65.22%) in nature and hearing loss increased in intensity (i.e. severe to profound) in stage 4 and 5 of CKD patients. Dialysis patients were having more severe hearing loss in comparison to non dialysis patients. Hearing loss was negatively correlated with the eGFR. And positively correlated with the duration of the disease (CKD).</p><p class="abstract"><strong>Conclusions:</strong> Our study highlights the pattern of hearing loss in people suffering from chronic kidney disease who were either on dialysis or not on dialysis. Early identification can prevent further deterioration of hearing in patients suffering from chronic kidney disease.</p>

scholarly journals Potentially inappropriate prescribing in people with chronic kidney disease: cross-sectional analysis of a large population cohort

2020 ◽  
pp. BJGP.2020.0871
Author(s):  
Clare Elizabeth MacRae ◽  
Stewart Mercer ◽  
Bruce Guthrie
Keyword(s):  
Chronic Kidney Disease ◽  
High Risk ◽  
Kidney Disease ◽  
Large Population ◽  
Inappropriate Prescribing ◽  
Prescribing Patterns ◽  
Potentially Inappropriate Prescribing ◽  
Cross Sectional ◽  
Stage 4 ◽  
Ckd Stage

Background: Many drugs should be avoided or require dose-adjustment in chronic kidney disease (CKD). Previous estimates of potentially inappropriate prescribing rates have been based on data on a limited number of drugs and mainly in secondary care settings. Aim: To determine the prevalence of contraindicated and potentially inappropriate primary care prescribing in a complete population of people with CKD. Method: Cross-sectional study of prescribing patterns in a complete geographical population of people with CKD defined using laboratory data. Drugs were organised by British National Formulary advice. Contraindicated (CI) drugs: “avoid”. Potentially high risk (PHR) drugs: “avoid if possible”. Dose inappropriate (DI) drugs: dose exceeded recommended maximums. Results: 28,489 people with CKD were included in analysis, of whom 70.0% had CKD 3a, 22.4% CKD 3b, 5.9% CKD 4, and 1.5% CKD 5. 3.9% (95%CI 3.7-4.1) of people with CKD stages 3a-5 were prescribed one or more CI drug, 24.3% (95%CI 23.8-24.8) PHR drug, and 15.2% (95% CI 14.8-15.62) DI drug. CI drugs differed in prevalence by CKD stage, and were most commonly prescribed in CKD stage 4 with a prevalence of 36.0% (95%CI 33.7–38.2). PHR drugs were commonly prescribed in all CKD stages ranging from 19.4% (95%CI 17.6-21.3) in stage 4 to 25.1% (95%CI 24.5–25.7) in stage 3b. DI drugs were most commonly prescribed in stage 4, 26.4% (95%CI 24.3-28.6). Conclusion: Potentially inappropriate prescribing is common at all stages of CKD. Development and evaluation of interventions to improve prescribing safety in this high-risk populations are needed.

P200 Arterial stiffness in patients with mild-to-moderate renal impairment

2020 ◽  
Vol 41 (Supplement_1) ◽  
Author(s):  
A B Md Radzi ◽  
S S Kasim
Keyword(s):  
Chronic Kidney Disease ◽  
Kidney Disease ◽  
Arterial Stiffness ◽  
Medical Center ◽  
Linear Regression Analysis ◽  
Younger Age ◽  
Stage 4 ◽  
Ckd Stage ◽  
Significant Difference ◽  
The Mean

Abstract Background Arterial damage in chronic kidney disease (CKD) is characterized by aortic stiffness. This is seen in elderly patients with advanced CKD. The association between arterial stiffness and early CKD is not well established. Objective: We aimed to study arterial stiffness using pulse wave velocity (PWV) among patients with chronic kidney disease (CKD) stage 2 to 4 and normal renal function in younger-age population. Design and Method: Patients with confirmed CKD stage 2 to 4 were recruited from various clinics from Universiti Teknologi MARA Medical Center, Sungai Buloh, Malaysia from 1st August 2015 until 31st January 2018. Sociodemographic and anthropometric indices were recorded on recruitment. Each patient underwent carotid-femoral (aortic) PWV measurement to determine arterial stiffness. PWV is determined using a one-probe device (SphygmoSore XCEL). Results: 87 patients with CKD stage 2–4 and 87 control patients were recruited. The mean age was 47 ± 5.4 years. CKD patients had a higher mean PWV (7.8 m/s ± 1.7) than healthy controls (5.6 m/s ± 1.0) (p &lt; 0.001, 95% CI –2.59, –1.77). There was significant difference of mean PWV between control (5.6 m/s ± 1.0) and CKD stage 2 (7.6 m/s ± 1.5) (p &lt; 0.001, 95% CI –2.40, –1.49). Our results showed a stepwise increase in PWV from control subjects, CKD stage 2 through stage 4 (p &lt; 0.001). The mean difference of PWV between CKD stage 2 (7.6 m/s, ± 1.5) and stage 4 (9.0 m/s, ± 0.8) was 1.43 (p &lt; 0.001, 95% CI –2.50, -0.35). There was significant difference of mean PWV between diabetes mellitus (DM) (8.2 m/s ± 1.8) and non-DM (7.3 m/s ± 1.3) patients with CKD stage 2–4 (p = 0.022, 95% CI –1.50, –0.12). Mutiple linear regression analysis showed only age (β = 0.078, p = 0.014), mean arterial pressure (MAP) (β = 0.031, p = 0.007) and diuretics usage as the combination antihypertensive medication (β = 0.839, p = 0.018) were independently associated with PWV (r2 = 0.249, p &lt; 0.001). Conclusions: This study shows that arterial stiffness as assessed by PWV occurs early in CKD patient and increased arterial stiffness occurs in parallel with decline of glomerular filtration rate in patients with mild-to-moderate CKD of younger age population.

THE STUDY ON SERUM WITH eGFR IN PATIENTS OF CHRONIC KIDNEY DISEASE

2021 ◽  
pp. 23-25
Author(s):  
Brahmarshi Das ◽  
Narendranath Hait ◽  
Titol Biswas ◽  
Debarshi Jana
Keyword(s):  
Chronic Kidney Disease ◽  
Kidney Disease ◽  
Serum Creatinine ◽  
Cross Sectional Study ◽  
Newly Diagnosed ◽  
Creatinine Concentration ◽  
Cross Sectional ◽  
Ckd Stage ◽  
The Mean ◽  
Stage 1

INTRODUCTION: Chronic Kidney Disease (CKD) is dened as a disease characterized by alterations in either kidney structure or function or both for a minimum of 3 months duration. According to the National Kidney Foundation criteria, 1 CKD has been classied into ve stages with stage 1 being the earliest or mildest CKD state and stage 5 being the most severe CKD stage. To stage CKD, it is necessary to estimate the GFR rather than relying on serum creatinine concentration. Glomerular ltration rate (GFR), either directly measured by computing urinary clearance of ltration marker such as inulin or estimated by calculating from different equations using serum creatinine. is the most commonly used parameter to assess kidney function. AIM AND OBJECTIVES: a) Establish relationship between serum CKD and eGFR MATERIAL AND METHOD: A Cross-sectional study on 100 cases of newly diagnosed Chronic Kidney Disease patients and matched control subjects is undertaken to study.100 Patients who are newly diagnosed as CKD are selected after proper initial screening. RESULT AND ANALYSIS: In case, the mean eGFR (mean± s.d.) of patients was 25.1500 ± 11.8929. In control, the mean eGFR (mean± s.d.) of patients was 87.2200 ± 17.8295. Difference of mean eGFR in two groups was statistically signicant (p<0.0001). In case, the mean creatinine (mean± s.d.) of patients was 3.6350 ± 2.4419 mg/dl. In control, the mean creatinine (mean± s.d.) of patients was .9435 ± .1317 mg/dl. Difference of mean creatinine in two groups was statistically signicant (p<0.0001). CONCLUSION: eGFR was strongly associated with CKD that also statistically signicant. The positive correlation was found in eGFR.

scholarly journals Changes in FGF-23, Neutrophil/Platelet Activation Markers, and Angiogenin in Advanced Chronic Kidney Disease and Their Effect on Arterial Stiffness

2019 ◽  
Vol 44 (5) ◽  
pp. 1166-1178
Author(s):  
Hye-Min Choi ◽  
Young-Eun Kwon ◽  
Sol Kim ◽  
Dong-Jin Oh
Keyword(s):  
Cardiovascular Disease ◽  
Chronic Kidney Disease ◽  
Kidney Disease ◽  
Arterial Stiffness ◽  
Platelet Activation ◽  
Activation Markers ◽  
Stage 4 ◽  
Ckd Stage ◽  
The Mean ◽  
Fgf 23

Aims: The aims of this study were to measure changes in fibroblast growth factor 23 (FGF-23), neutrophil (elastase, lactoferrin)/platelet activation marker (mean platelet volume-to-platelet count ratio [MPR]), and angiogenin according to the stage of chronic kidney disease (CKD), and to evaluate the association of FGF-23, elastase, lactoferrin, MPR, and angiogenin with arterial stiffness using brachial-ankle pulse wave velocity (ba-PWV) in CKD patients. Methods: According to the estimated glomerular filtration rate (eGFR) calculated using the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equation, the patients were allocated to five groups: (1) normal controls (eGFR ≥90 mL/min/1.73 m2 without pathologic, urine [proteinuria], blood [electrolyte], and imaging abnormalities; n = 22); (2) CKD stage 2 (eGFR 60–89 mL/min/1.73 m2; n = 17); (3) CKD stage 3 (eGFR 30–59 mL/min/1.73 m2; n = 22); (4) CKD stage 4 (eGFR 15–30 mL/min/1.73 m2; n = 17); and (5) CKD stage 5-hemodialysis (HD) (n = 30). All the patients were free of clinically apparent cardiovascular disease. Serum FGF-23, elastase, lactoferrin, and angiogenin concentrations and the MPR were measured to study the association of the above parameters with the clinical (age, sex, presence of diabetes mellitus, and blood pressure), biochemical (calcium, phosphorus, uric acid, intact parathyroid hormone [PTH], low-density lipoprotein cholesterol, and high-sensitivity C-reactive protein), and ba-PWV values of the CKD patients. Results: (1) The mean ba-PWV values were 1,497.2 ± 206.4 cm/s in the controls, 1,649.0 ± 247.9 cm/s in the CKD stage 2 group (p < 0.05 vs. controls), 1,655.8 ± 260.3 cm/s in the CKD stage 3 group (p < 0.05 vs. controls), 1,823.0 ± 402.4 cm/s in the CKD stage 4 group (p < 0.05 vs. controls and CKD stages 2 and 3), and 1,905.2 ± 374.1 cm/s in the CKD stage 5-HD group (p < 0.05 vs. controls and CKD stage 2). (2) The mean log10(FGF-23) concentration values were 0.77 ± 0.27, 0.97 ± 0.48, 1.10 ± 0.35 (p < 0.05 vs. controls and CKD stage 2), 1.35 ± 0.48 (p < 0.05 vs. controls and CKD stages 2 and 3), and 2.12 ± 0.82 (p < 0.05 vs. controls and CKD stages 2–4); the mean angiogenin levels were 230.6 ± 70.5 pg/mL, 283.0 ± 53.5 pg/mL (p < 0.05 vs. controls), 347.3 ± 76.9 pg/mL (p < 0.05 vs. controls and CKD stage 2), 445.9 ± 90.6 pg/mL (p < 0.05 vs. controls and CKD stages 2 and 3), and 370.9 ± 142.4 pg/mL (p < 0.05 vs. controls and CKD stages 2 and 3). (3) In the stage 3–4 CKD/HD patients, the mean elastase-to-neutrophil and lactoferrin-to-neutrophil ratios were significantly lower than in the controls and the stage 2 CKD patients. (4) Our multivariate linear regression analyses showed that age, pulse pressure, mean arterial pressure, PTH, and FGF-23 were independently associated with ba-PWV values. Conclusions: Circulating FGF-23 and angiogenin concentrations gradually increased as CKD advanced, whereas neutrophil activation markers were significantly lower in the stage 3–4 CKD/HD patients than in the controls and stage 2 CKD patients. FGF-23 was weakly associated with ba-PWV values in patients with CKD/HD and no previous cardiovascular disease.

Hearing Loss in Patients with Chronic Kidney: Our Experience in a Tertiary Care Hospital in Nepal

2020 ◽  
Vol 5 (3) ◽  
pp. 1246-1251
Author(s):  
Meenakshi Basnet ◽  
Shailendra Shrestha ◽  
Bijay Neupane ◽  
Gyan Raj Aryal
Keyword(s):  
Hearing Loss ◽  
Sensorineural Hearing Loss ◽  
Strong Association ◽  
Tertiary Care ◽  
Pure Tone Audiometry ◽  
Sensorineural Hearing ◽  
Electrolyte Imbalance ◽  
Care Hospital ◽  
Cross Sectional ◽  
Ckd Stage

Introduction: Patients with chronic kidney diseasesuffer from sensorineural hearing loss as a complication.The prevalence, type and degree of hearing loss along with the associated factors like age, electrolyte imbalance, hypertension, diabetes, duration and stage of CKD were studied. Methodology:This was a prospective cross-sectional study conducted in the department of Otorhinolaryngology and Nephrology at Nobel Medical College & Teaching Hospital, Kanchanbari, Biratnagar, Nepal from1st August 2018 to 30th September 2019.After thorough history taking, clinical & biochemical examinations, all patients underwent Tuning fork test and Pure tone audiometry. CKD was staged according to the eGFR. Data were stored in excel spreadsheet and analysis was done using the SPSS software (version 21) Result: Out of 150 patients,the ratio of male to female was 1.2:1. The mean age of the patients was 44.04 ± 10.524 years. 68 (45%) patients had CKD stage V with a median duration of 24 (18 – 36) months. The prevalence of hearing loss was found to be 83 (55.3%), most of them in bilateral ear (58%). The staging of CKD had a significant association with the prevalence of hearing loss and its severity. The duration of the illness had a strong association with hearing loss. Conclusion: This study shows that sensorineural hearing loss prevails in the patients suffering from CKD, which increases with age, duration of CKD, presence of comorbidities like hypertension, diabetes and level of serum urea and creatinine. However, it could not establish diabetes and electrolyte as a potential risk factor for developing hearing loss from CKD.

P0203EARLY DETECTION OF BREAST ARTERIAL CALCIFICATION IN DIFFERENT STAGES OF CHRONIC KIDNEY DISEASE PATIENTS

2020 ◽  
Vol 35 (Supplement_3) ◽  
Author(s):  
Basma Sultan ◽  
Hamdy Omar ◽  
Housseini Ahmed ◽  
Mahmoud Elprince ◽  
Osama Anter adly ◽  
...  
Keyword(s):  
Chronic Kidney Disease ◽  
Kidney Disease ◽  
Lipid Profile ◽  
Statistical Significance ◽  
University Hospital ◽  
Arterial Calcification ◽  
Control Group ◽  
Inpatient Ward ◽  
Stage 4 ◽  
Ckd Stage

Abstract Background and Aims Vascular calcification (VC) plays a major role in cardiovascular disease (CVD), which is one of the main causes of mortality in patients with chronic kidney disease (CKD). The study aims at early detection of breast arterial calcification (BAC) in different stages of CKD (stage 2, 3& 4) patients as an indicator of systemic VC. Method A case control study was conducted targeting CKD women, aged 18- 60 years old. The sample was divided into 3 groups; A,B,C (representing stage 2, 3 & 4 of CKD) from women who attended nephrology and Internal medicine clinics and admitted in inpatient ward in Suez Canal University Hospital. A 4th group (D) was formed as a control group and included women with normal kidney functions (each group (A, B, C, D) include 22 women). The selected participants were subjected to history taking, mammogram to detect BAC and biochemical assessment of lipid profile, Serum creatinine (Cr), Mg, P, Ca, PTH and FGF23. Results Our study detected presence of BAC in about 81.8% of hypertensive stage 4 CKD patients compared with 50% in stage 3 CKD, also in the majority of stage 4 CKD patients who had abnormal lipid profile parameters and electrolyte disturbance. Most of the variables had statistical significance regarding the presence of BAC. Conclusion Although it is difficult to determine the definite stage at which the risk of VC begins but in our study, it began late in stage 2 CKD, gradually increased prevalence through stage 3 and became significantly higher in stage 4. These results suggest that preventive strategies may need to begin as early as stage 2 CKD.

scholarly journals Heart Rate Variability and Long Chain n-3 Polyunsaturated Fatty Acids in Chronic Kidney Disease Patients on Haemodialysis: A Cross-Sectional Pilot Study

Nutrients ◽  
2021 ◽  
Vol 13 (7) ◽  
pp. 2453
Author(s):  
Ana M Pinto ◽  
Helen L MacLaughlin ◽  
Wendy L Hall
Keyword(s):  
Chronic Kidney Disease ◽  
Fatty Acids ◽  
Heart Rate ◽  
Heart Rate Variability ◽  
Kidney Disease ◽  
Polyunsaturated Fatty Acids ◽  
Cardiac Death ◽  
Cross Sectional ◽  
Ckd Stage ◽  
Long Chain

Low heart rate variability (HRV) is independently associated with increased risk of sudden cardiac death (SCD) and all cardiac death in haemodialysis patients. Long chain n-3 polyunsaturated fatty acids (LC n-3 PUFA) may exert anti-arrhythmic effects. This study aimed to investigate relationships between dialysis, sleep and 24 h HRV and LC n-3 PUFA status in patients who have recently commenced haemodialysis. A cross-sectional study was conducted in adults aged 40–80 with chronic kidney disease (CKD) stage 5 (n = 45, mean age 58, SD 9, 20 females and 25 males, 39% with type 2 diabetes). Pre-dialysis blood samples were taken to measure erythrocyte and plasma fatty acid composition (wt % fatty acids). Mean erythrocyte omega-3 index was not associated with HRV following adjustment for age, BMI and use of β-blocker medication. Higher ratios of erythrocyte eicosapentaenoic acid (EPA) to docosahexaenoic acid (DHA) were associated with lower 24 h vagally-mediated beat-to-beat HRV parameters. Higher plasma EPA and docosapentaenoic acid (DPAn-3) were also associated with lower sleep-time and 24 h beat-to-beat variability. In contrast, higher plasma EPA was significantly related to higher overall and longer phase components of 24 h HRV. Further investigation is required to investigate whether patients commencing haemodialysis may have compromised conversion of EPA to DHA, which may impair vagally-mediated regulation of cardiac autonomic function, increasing risk of SCD.

scholarly journals FGF-23 and Phosphate in Children with Chronic Kidney Disease: A Cross-Sectional Study in Kazakhstan

Medicina ◽  
2020 ◽  
Vol 57 (1) ◽  
pp. 15
Author(s):  
Altynay Balmukhanova ◽  
Kairat Kabulbayev ◽  
Harika Alpay ◽  
Assiya Kanatbayeva ◽  
Aigul Balmukhanova
Keyword(s):  
Chronic Kidney Disease ◽  
Kidney Disease ◽  
Fibroblast Growth Factor 23 ◽  
Cross Sectional Study ◽  
Sectional Study ◽  
Cross Sectional ◽  
Ckd Stage ◽  
Advanced Stages ◽  
Fgf 23 ◽  
Stage 1

Background and objectives: Chronic kidney disease (CKD) in children is a complex medical and social issue around the world. One of the serious complications is mineral-bone disorder (CKD-MBD) which might determine the prognosis of patients and their quality of life. Fibroblast growth factor 23 (FGF-23) is a phosphaturic hormone which is involved in the pathogenesis of CKD-MBD. The purpose of the study was to determine what comes first in children with CKD: FGF-23 or phosphate. Materials and Methods: This cross-sectional study included 73 children aged 2–18 years with CKD stages 1–5. We measured FGF-23 and other bone markers in blood samples and studied their associations. Results: Early elevations of FGF-23 were identified in children with CKD stage 2 compared with stage 1 (1.6 (1.5–1.8) pmol/L versus 0.65 (0.22–1.08), p = 0.029). There were significant differences between the advanced stages of the disease. FGF-23 correlated with PTH (r = 0.807, p = 0.000) and phosphate (r = 0.473, p = 0.000). Our study revealed that the elevated level of FGF-23 went ahead hyperphosphatemia and elevated PTH. Thus, more than 50% of children with CKD stage 2 had the elevating level of serum FGF-23, and that index became increasing with the disease progression and it achieved 100% at the dialysis stage. The serum phosphate increased more slowly and only 70.6% of children with CKD stage 5 had the increased values. The PTH increase was more dynamic. Conclusions: FGF-23 is an essential biomarker, elevates long before other markers of bone metabolism (phosphate), and might represent a clinical course of disease.

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