Extended-Hours Hemodialysis Without Dietary Restrictions Reduces Risk of Vascular Calcification
Bibliographic record
Abstract
Vascular calcification is common in dialysis patients and is severely associated with cardiovascular morbidity and mortality. They have mineral metabolism disorders, which are considered to promote vascular calcification. In addition, hypertension and malnutrition, both prevalent in dialysis patients, are also considered risk factors contributing to vascular calcification. Our clinic has implemented extended-hours hemodialysis without dietary restrictions to solve the problems of hypertension and malnutrition in dialysis patients. We report a case where aortic calcification was slight despite 34 years of long-term dialysis. He underwent his first computed tomography (CT) scan of the chest and abdomen 29 years after initiating hemodialysis to evaluate his kidney transplant. The abdominal aortic calcification index 29 years after initiating dialysis was low at 5.8%, and even after 5 years, it was only 6.7%. The coronary artery calcification score was moderate at 214.0, but the degree of vascular calcification appeared milder than in conventional dialysis patients. His dialysis modality is unique. He began extended-hours hemodialysis without dietary restrictions 1.5 years after his transfer to our clinic, extending his dialysis time to 6 h. He gradually increased it to 10 h, and the dietary restriction was significantly relaxed. Moreover, he has been undergoing this treatment for about 26 years. His muscle mass increased, and his nutritional status remained adequate. The mean serum phosphorus and calcium levels were within the normal range (5.4 ± 0.5 mg/dL and 8.8 ± 0.3 mg/dL), and the calcium-based phosphate binder was successfully reduced and eventually discontinued. Furthermore, the blood pressure normalized without the use of antihypertensive medications. These may have removed some of the risk factors for vascular calcification. Recent studies suggest that extended-hours hemodialysis without dietary restrictions significantly lowers calciprotein particle levels, a risk factor for vascular calcification, compared to conventional dialysis. In conclusion, extended-hours hemodialysis without dietary restrictions may reduce the risk of vascular calcification by improving control of malnutrition, hypertension, and mineral metabolism.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".