Publications by authors named "Cheol-Ho Park"

Article Synopsis
  • The study aimed to investigate the relationship between colchicine use and the risk of developing atherosclerotic cardiovascular disease (ASCVD) and related mortality in patients recently diagnosed with gout.
  • Using a nationwide claims database, researchers compared patients with ASCVD events or mortality to a control group matched by age, sex, and other factors, focusing on the dosage and duration of colchicine use.
  • Results indicated that higher cumulative doses of colchicine were linked to an increased risk of ASCVD events and mortality, suggesting a need for caution in colchicine prescribing for patients with gout.
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Introduction: Non-alcoholic fatty liver disease (NAFLD) has emerged as a potential indicator for cardio-metabolic risk. However, clinical implications of NAFLD in patients with chronic kidney disease (CKD) are still elusive. We investigated to explore the association between NAFLD and adverse clinical outcomes among patients with CKD.

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  • The study investigated the impact of strict blood pressure (BP) control on health outcomes in patients with diabetic kidney disease (DKD), focusing on whether targeting systolic BP (SBP) below 130 mmHg has benefits compared to below 140 mmHg.
  • A total of 341 DKD patients were split into standard and strict BP control groups, with cardiovascular and renal events being monitored over a follow-up period of 2.8 years.
  • Results showed that while strict BP control didn't significantly lower the risk of health events, maintaining achieved SBP levels between 130-139 mmHg was linked to a reduced risk of cardiovascular and renal complications.
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  • - A study compared two volume control strategies (conventional vs. bioelectrical impedance analysis, or BIA) in patients with sepsis-related acute kidney injury (AKI) receiving continuous renal replacement therapy (CRRT) to see which might improve survival rates.
  • - Results showed no significant differences in 28-day or 90-day mortality between the two groups, indicating that using BIA for volume control did not lead to better patient outcomes.
  • - However, a secondary analysis found that the volume accumulation rate (the amount of fluid balance over three days) was linked to patient survival, with higher rates of fluid accumulation correlating with higher risk of 90-day mortality.
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  • High levels of coronary artery calcification (CAC) can lead to serious heart and kidney problems.
  • Scientists studied over 1,000 people with chronic kidney disease to see how changes in CAC relate to kidney failure.
  • They found that as CAC levels increased, the risk of needing kidney replacement therapy also went up significantly.
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Time-in-target range (TTR) of systolic blood pressure (SBP) is determined by the proportion of time during which SBP remains within a defined optimal range. TTR has emerged as a useful metric for assessing SBP control over time. However, it is uncertain if SBP-TTR can predict the progression of chronic kidney disease (CKD).

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Background: Fluid overload is an independent risk factor of mortality in patients with acute kidney injury (AKI) receiving continuous kidney replacement therapy (CKRT). However, the association between fluid status, as assessed by bioelectrical impedance analysis (BIA) or lung ultrasound, and survival in patients with AKI requiring CKRT has not been established.

Methods: We analyzed 36 participants with sepsis-associated AKI who received CKRT at a tertiary hospital.

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Background: The 2021 Kidney Disease: Improving Global Outcomes (KDIGO) clinical practice guideline for the management of blood pressure (BP) in chronic kidney disease (CKD) recommends a target systolic BP of <120 mmHg as this target can provide cardiovascular benefits. However, it remains unclear whether implementing the new BP target could improve kidney outcomes.

Methods: The association between the 2021 KDIGO BP target and CKD progression was examined and compared with the 2012 KDIGO BP target among 1724 participants included in the KoreaN Cohort Study for Outcomes in Patients With CKD.

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The relationship between declining nocturnal blood pressure (BP) and adverse cardiovascular outcomes is well-recognized. However, the relationship between diurnal BP profile and the risk of chronic kidney disease (CKD) progression is unclear. Herein, we examined the association between nocturnal systolic SBP (SBP) dipping and CKD progression in 1061 participants at the Cardiovascular and Metabolic Disease Etiology Research Center-High Risk (CMERC-HI).

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Background: Elevated blood pressure and intrarenal renin-angiotensin system activity are closely related to chronic kidney disease (CKD) progression. However, interrelationship between blood pressure and intrarenal renin-angiotensin system activity on the risk of CKD progression is unknown.

Methods: We analyzed 2076 participants from the Korean Cohort Study for Outcomes in Patients With CKD.

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Kidney fibrosis is a common pathophysiological mechanism of chronic kidney disease (CKD) progression caused by several underlying kidney diseases. Among various contributors to kidney fibrosis, transforming growth factor-β1 (TGF-β1) is the major factor driving fibrosis. TGF-β1 exerts its profibrotic attributes via the activation of canonical and non-canonical signaling pathways, which induce proliferation and activation of myofibroblasts and subsequent accumulation of extracellular matrix.

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Objective: Studies on the mutual relationship between blood pressure (BP) variability and arterial stiffness using time-dependent changes in arterial stiffness are scarce.

Methods: In this prospective cohort of Korean patients with chronic kidney disease (CKD) G1-G5 without kidney replacement therapy, we studied the bidirectional association between visit-to-visit SBP variability (VVSV) and arterial stiffness in 1036 participants who underwent brachial-ankle pulse wave velocity (baPWV) measurement at baseline and year four. We constructed multivariable logistic regression models using two analytical sets.

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Background Whether visit-to-visit systolic blood pressure (SBP) variability can predict major adverse cardiovascular events (MACE) in patients with chronic kidney disease is unclear. Methods and Results We investigated the relationship between SDs of visit-to-visit SBP variability during the first year of enrollment and MACE among 1575 participants from KNOW-CKD (Korean Cohort Study for Outcome in Patients With Chronic Kidney Disease). Participants were categorized into 3 groups according to tertiles of visit-to-visit SBP variability (SD).

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Article Synopsis
  • Sodium-glucose cotransporter 2 (SGLT2) inhibitors are new medicines that help lower blood sugar and can also help improve heart and kidney health in people with diabetes.
  • Researchers studied a drug called canagliflozin to see if it could protect kidneys from damage caused by a cancer drug called cisplatin.
  • They found that canagliflozin helps protect kidney cells by activating a process called autophagy, but if certain blockers were added, it wouldn’t work as well.
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Peroxiredoxins (Prxs) are ubiquitously expressed peroxidases that reduce hydrogen peroxide or alkyl peroxide production in cells. Prxs are released from cells in response to various stress conditions, and they function as damage-associated molecular pattern molecules. However, the secretory mechanism of Prxs and their roles have not been elucidated.

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The high mobility group box 1 (HMGB1) is a well-known late mediator of sepsis, secreted by multiple stimuli, involving pathways, such as the mitogen-activated protein kinase (MAPK) and nuclear factor kappa B (NF-κB) pathways, and reactive oxygen species (ROS) under inflammation. Sulfatide, in contrast, is a sphingolipid commonly found in myelin sheets with a disputed immunological role. We sought to determine the immunological characteristics of sulfatide in the periphery by analyzing the secretion of HMGB1 triggered by lipopolysaccharide (LPS) stimulation in Raw 264.

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Rationale & Objective: Clinical practice guidelines recommend a target blood pressure (BP)<130/80 mm Hg to reduce cardiovascular risk. However, the optimal BP to prevent chronic kidney disease (CKD) is unknown.

Study Design: Population-based retrospective cohort study.

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(Dennst.), a popular plant used in folk medicine in Bangladesh, is often used by the local folk practitioner to treat a variety of chronic diseases. The present research is an attempt to find out an innovative therapeutic prospect for the management of neuropsychiatric disorders.

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Objective: To examine the association between income level and incident chronic kidney disease (CKD) in adults with normal baseline kidney function.

Patient And Methods: We studied the association between income level categorized into deciles and incident CKD in a national cohort comprised of 7,405,715 adults who underwent National Health Insurance Service health examinations during January 1, 2009, to December 31, 2015, with baseline estimated glomerular filtration rates (eGFRs) ≥60 mL/min/1.73 m.

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Nakai (AGN) is a popular traditional herbal medicine which has been used to alleviate various human diseases in Korea since ancient times. However, the low bioaccessibility of the nutraceutical compounds of AGN results in a poor water solubility, thereby limiting bioavailability. In this regard, a ternary AGN-biopolymer-plasticizer composite (AGNC) was developed to enhance the bioaccessibility of nutraceutical compounds from extrudate AGN formulations manufactured by hot melt extrusion (HME).

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Background: Urinary chloride is regulated by kidney transport channels, and high urinary chloride concentration in the distal tubules can trigger tubuloglomerular feedback. However, little attention has been paid to urinary chloride as a biomarker of clinical outcomes. Here, we studied the relationship between urinary chloride concentration and chronic kidney disease (CKD) progression.

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Broomcorn millet ( L.) is an important nutritious ancient minor-cereal food crop. However, this crop is little explored in the food processing arena to improve its functionality.

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Article Synopsis
  • The study investigates the medicinal properties of a plant commonly used by indigenous communities in Bangladesh, focusing on its effects against diarrhea, inflammation, worms, and bacteria.
  • The ethanol extract of the plant's leaves (EEOR) demonstrated significant antidiarrheal effects, anti-inflammatory activity, and effectiveness against helminths and various bacterial strains.
  • Compound analysis revealed 30 components in EEOR, with 13 showing potential bioactive properties, supporting the plant's traditional medicinal use and suggesting its potential for future drug development.
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