Nishida Hospital | Japan
Dr. Hajime Kataoka is a distinguished Cardiologist and Physician-Scientist at Nishida Hospital, Oita, Japan, widely recognized for his pioneering contributions to cardiovascular medicine. He has devoted his career to advancing the understanding, diagnosis, and treatment of cardiovascular diseases, with particular expertise in clinical electrocardiography and heart failure. His research focuses on body fluid status and cardio-renal interactions in patients with heart failure, exploring how electrolyte balance influences cardiac function and disease progression. Dr. Kataoka is best known for developing the groundbreaking “chloride theory” of heart failure pathophysiology, which redefines traditional perspectives by emphasizing chloride’s key role in regulating body fluid distribution and congestion, surpassing the conventional sodium-based understanding. This innovative theory has significantly influenced modern approaches to assessing diuretic response, predicting prognosis, and optimizing treatment strategies in heart failure management. With 107 published documents, 1,101 citations from 816 citing documents, and an h-index of 19, Dr. Kataoka has made a lasting impact on cardiovascular research and clinical practice. His scientific insights continue to inspire new investigations into electrolyte physiology, fluid regulation, and therapeutic innovation, solidifying his reputation as a thought leader in contemporary cardiology and as a driving force behind transformative advances in the field.
Profiles: Scopus | Orcid
Featured Publications
Kataoka, H. (2023). Acetazolamide as a potent chloride-regaining diuretic: Time to re-evaluate its diverse actions. Polish Archives of Internal Medicine.
Kataoka, H. (2022). Estimation of plasma renin activity on the basis of serum and urinary chloride concentrations versus sodium concentrations. Cardiorenal Medicine.
Kataoka, H. (2022). Mechanistic insights into chloride-related heart failure progression according to the plasma volume status. ESC Heart Failure.
Kataoka, H. (2020). Comparison of changes in plasma volume and renal function between acetazolamide and conventional diuretics: Understanding the mechanical differences according to their effects. Cardiology.
Kataoka, H., & Yoshida, Y. (2020). Enhancement of the serum chloride concentration by administration of sodium-glucose cotransporter-2 inhibitor and its mechanisms and clinical significance in type 2 diabetic patients: A pilot study. Diabetology & Metabolic Syndrome.