Background/Aims: The effects of chronic kidney disease (CKD) on the risk of death for patients with malignant disease are uncertain. The aim of this study was to determine the association between the presence of CKD and mortality in cancer patients. Method: We retrospectively reviewed the cases of 8,223 cancer patients with one or more serum creatinine measurements from January 1, 2000 to December 31, 2004. The key outcome was cancer-specific mortality within the follow-up period. The cumulative incidence rate for death from cancer was estimated using methods of competing risks survival analysis. Cox proportional-hazards regression with the use of Fine and Gray’s proportional-hazards model were evaluated in multiple analyses. Results: CKD was associated with an increased risk of death in cancer patients. The adjusted hazard ratios were 1.12 for patients with an estimated glomerular filtration rate (eGFR) of 30–59 ml/min/1.73 m2 (95% confidence interval 1.01–1.26, p = 0.04) and 1.75 for patients with an eGFR <30 ml/min/1.73 m2 (95% confidence interval 1.32–2.32, p < 0.001). Conclusions: CKD should be considered a risk factor for survival among patients with cancer.
Haemodialysis patients are at higher risk of developing active tuberculosis (TB) infection. However, tuberculin skin tests (TST) have limitations and the diagnostic usefulness of interferon-γ-release assays (IGRAs) remains unclear in immunocompromised hosts including haemodialysis patients. Haemodialysis patients were enrolled from a dialysis centre in Korea, an intermediate TB-burden country with a high bacille Calmette-Guérin (BCG) vaccination rate. The QuantiFERON-Gold TB In tube test (QFT) and the T-SPOT TB test (TSPOT) were performed, along with the TST. We stratified patients to low- and high-risk groups, according to the risk factors for latent TB. Association between each of the three diagnostic tests and the risk of latent TB was analysed. One hundred and sixty-seven patients were enrolled. The positive rates for the TST, the QFT and TSPOT were 23.5, 45.9 and 60.4%, respectively. Previous BCG vaccination increased the TST-positive rate in the low-risk group (OR 4.438), whereas it affected neither QFT nor TSPOT. The positive QFT rates were 41.2 and 62.5% in the low- and high-risk groups, respectively. The QFT was associated with the high-risk group (OR 2.578), whereas the TST was not. The positive TSPOT rates were 58.9 and 65.7% in the low- and high-risk groups, respectively. The frequency of indeterminate results was higher for the QFT (12.6%) compared with the TSPOT (4.8%). In conclusion, the IGRAs can be useful for the diagnosis of latent TB infection in haemodialysis patients.
BackgroundThe postoperative speech outcomes of submucous cleft palate (SMCP) surgery are known to be poorer than those of other types of cleft palate. We attempted to objectively characterize the postoperative complications and speech outcomes of the surgical treatment of SMCP through a comparison with the outcomes of incomplete cleft palate (ICP).MethodsThis study included 53 SMCP patients and 285 ICP patients who underwent surgical repair from 1998 to 2015. The average age of the patients at the time of surgery was 3.9±1.9 years for the SMCP patients and 1.3±0.9 years for the ICP patients. A retrospective analysis was performed of the complications, the frequency of subsequent surgical correction for velopharyngeal dysfunction (VPD), and speech outcomes.ResultsIn both the SMCP and ICP patients, no cases of respiratory difficulty, bleeding, or wound disruption were noted. Delayed wound healing and fistula occurred in 18.9% and 5.7% of the SMCP patients and in 14% and 3.2% of the ICP patients, respectively. However, no statistically significant difference in either delayed wound healing or fistula occurrence was observed between the two groups. The rate of surgical correction for VPD in the SMCP group was higher than in the ICP group. In the subset of 26 SMCP patients and 62 ICP patients who underwent speech evaluation, the median speech score value was 58.8 in the SMCP group and 66 in the ICP group, which was a statistically significant difference.ConclusionsSMCP and ICP were found to have similar complication rates, but SMCP had significantly worse speech outcomes.
Cardiovascular disease is common in the patients with end-stage renal disease, who often suffer from secondary hyperparathyroidism (SHP). Vitamin D is considered for the first-line therapy managing SHP in hemodialysis (HD) patients and has a beneficial effect in the chronic inflammation and development of cardiovascular disease. The soluble receptor for advanced glycation end products (sRAGE) may be protective by binding AGE in the pathogenesis of atherosclerotic vascular complications, whereas extracellular RAGE-binding protein (EN-RAGE) represents pro-inflammatory ligands for RAGE. We have hypothesized that vitamin D treatment may alter the levels of sRAGE and EN-RAGE in HD patients. Therefore, this prospective observational study was performed in 51 HD patients with SHP who had low serum 1,25 dihydroxyvitamin D 3 (1,25D) levels and elevated intact parathyroid hormone (PTH) levels. We evaluated the changes in the values of sRAGE, EN-RAGE, and other inflammatory marker, interleukin-6 (IL-6), before and at the end of the 8-week calcitriol treatment. After calcitriol treatment, the serum levels of 1,25D were increased, whereas the serum intact PTH levels were decreased. In addition, the sRAGE levels were increased, whereas those of IL-6 were decreased after calcitriol treatment. A positive correlation between 1,25D and sRAGE levels (r = 0.609, P < 0.001) and a negative correlation between sRAGE and EN-RAGE levels (r = −0.368, P = 0.020) were detected after calcitriol treatment. This study suggests that calcitriol treatment could play an anti-inflammatory role through the increasing sRAGE in HD patients with SHP.
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