Background: Thyroid dysfunction and insulin resistance (IR) are common findings in patients with ESRD. We aimed to evaluate thyroid dysfunction and IR in ESRD before and after 1 year of starting hemodialysis (HD).Methods: This was a prospective study that recruited newly starting HD patients who fulfilled the inclusion criteria. Patients were evaluated for TSH, free T4, free T3, fasting insulin, fasting glucose, HOMA-IR, serum ferritin, and hs-CRP levels before starting their first dialysis session and after 1 year of regular HD.Results: Eighty-one patients have completed the 1-year follow-up period. After 1 year of regular HD, there were statistically significant increments of hs-CRP, serum ferritin, and TSH levels. On the other hand, fasting insulin level and HOMA-IR showed statistically significant increments after 1 year of starting HD. After 1 year of regular HD, TSH level showed a positive correlation with hs-CRP and serum ferritin level, while free T3 was negatively correlated with HOMA-IR. On the other hand, there was a significant positive correlation between HOMA-IR, hs-CRP, and serum ferritin levels, while HOMA-IR was negatively correlated with Kt/V.Conclusions: This study suggests overlapping complex pathogenesis of thyroid dysfunction, chronic inflammation, and IR in chronic HD patients.
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