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Calcium, Phosphorus, Cardiovascular Events and All-cause Mortality in Hemodialysis Patients: A Single-center Retrospective Cohort Study to Reassess the Validity of the Japanese Society for Dialysis Therapy Guidelines
: Mineral and bone disorders frequently cause cardiovascular complications and mortality in hemodialysis patients, but few observational studies of Japanese patients have investigated this matter. A retrospective cohort study of 99 patients (53 males, 46 females; mean age: 65 ± 12 year; 38% with di...
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Published in: | Therapeutic apheresis and dialysis 2008-02, Vol.12 (1), p.42-48 |
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creator | Komaba, Hirotaka Igaki, Naoya Takashima, Mototsugu Goto, Shunsuke Yokota, Kazuki Komada, Hisako Takemoto, Toshiyuki Kohno, Maki Kadoguchi, Hiraku Hirosue, Yoshiaki Goto, Takeo |
description | : Mineral and bone disorders frequently cause cardiovascular complications and mortality in hemodialysis patients, but few observational studies of Japanese patients have investigated this matter. A retrospective cohort study of 99 patients (53 males, 46 females; mean age: 65 ± 12 year; 38% with diabetes mellitus) on maintenance hemodialysis in our dialysis center was conducted. Mean serum Ca, P and intact parathyroid hormone (iPTH) levels were 9.2 ± 0.9 mg/dL, 6.1 ± 1.7 mg/dL, and 233 ± 333 pg/mL, respectively. The cutoff values for each of these three parameter were defined according to the target ranges recommended by the Japanese Society for Dialysis Therapy (JSDT) guidelines (Ca: 8.4–10.0 mg/dL; P: 3.5–6.0 mg/dL; iPTH: 60–180 pg/mL). During a 45‐month follow up, patients with all parameters outside the target ranges showed the highest incidence of cardiovascular events and all‐cause deaths (16.6 and 29.2 per 1000 person‐years, respectively). The relative risks of cardiovascular events and all‐cause deaths were analyzed by multivariate Cox regression models. The hazard ratio (HR) for cardiovascular events was significantly lower for patients who achieved serum Ca and P objectives compared with others (HR: 2.12; 95% CI: 1.04–4.34; P |
doi_str_mv | 10.1111/j.1744-9987.2007.00539.x |
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A retrospective cohort study of 99 patients (53 males, 46 females; mean age: 65 ± 12 year; 38% with diabetes mellitus) on maintenance hemodialysis in our dialysis center was conducted. Mean serum Ca, P and intact parathyroid hormone (iPTH) levels were 9.2 ± 0.9 mg/dL, 6.1 ± 1.7 mg/dL, and 233 ± 333 pg/mL, respectively. The cutoff values for each of these three parameter were defined according to the target ranges recommended by the Japanese Society for Dialysis Therapy (JSDT) guidelines (Ca: 8.4–10.0 mg/dL; P: 3.5–6.0 mg/dL; iPTH: 60–180 pg/mL). During a 45‐month follow up, patients with all parameters outside the target ranges showed the highest incidence of cardiovascular events and all‐cause deaths (16.6 and 29.2 per 1000 person‐years, respectively). The relative risks of cardiovascular events and all‐cause deaths were analyzed by multivariate Cox regression models. The hazard ratio (HR) for cardiovascular events was significantly lower for patients who achieved serum Ca and P objectives compared with others (HR: 2.12; 95% CI: 1.04–4.34; P < 0.05), and similar differences were observed for all‐cause deaths (HR: 3.10; 95% CI: 1.13–8.53; P < 0.05). However, the relationship between iPTH levels and each of the endpoints was less pronounced. 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A retrospective cohort study of 99 patients (53 males, 46 females; mean age: 65 ± 12 year; 38% with diabetes mellitus) on maintenance hemodialysis in our dialysis center was conducted. Mean serum Ca, P and intact parathyroid hormone (iPTH) levels were 9.2 ± 0.9 mg/dL, 6.1 ± 1.7 mg/dL, and 233 ± 333 pg/mL, respectively. The cutoff values for each of these three parameter were defined according to the target ranges recommended by the Japanese Society for Dialysis Therapy (JSDT) guidelines (Ca: 8.4–10.0 mg/dL; P: 3.5–6.0 mg/dL; iPTH: 60–180 pg/mL). During a 45‐month follow up, patients with all parameters outside the target ranges showed the highest incidence of cardiovascular events and all‐cause deaths (16.6 and 29.2 per 1000 person‐years, respectively). The relative risks of cardiovascular events and all‐cause deaths were analyzed by multivariate Cox regression models. The hazard ratio (HR) for cardiovascular events was significantly lower for patients who achieved serum Ca and P objectives compared with others (HR: 2.12; 95% CI: 1.04–4.34; P < 0.05), and similar differences were observed for all‐cause deaths (HR: 3.10; 95% CI: 1.13–8.53; P < 0.05). However, the relationship between iPTH levels and each of the endpoints was less pronounced. The results of this study provide support for the JSDT guidelines, which give priority to the control of serum Ca and P levels over the control of parathyroid function.</description><subject>Aged</subject><subject>Asian Continental Ancestry Group</subject><subject>Calcium</subject><subject>Calcium - blood</subject><subject>Cardiovascular Diseases - epidemiology</subject><subject>Cardiovascular Diseases - etiology</subject><subject>Cardiovascular Diseases - prevention & control</subject><subject>Cardiovascular event</subject><subject>Cohort Studies</subject><subject>Female</subject><subject>Follow-Up Studies</subject><subject>Hemodialysis patient</subject><subject>Humans</subject><subject>Incidence</subject><subject>Japan</subject><subject>JSDT guidelines</subject><subject>Male</subject><subject>Middle Aged</subject><subject>Parathyroid Hormone - blood</subject><subject>Phosphorus</subject><subject>Phosphorus - blood</subject><subject>Practice Guidelines as Topic</subject><subject>Proportional Hazards Models</subject><subject>Renal Dialysis - mortality</subject><subject>Retrospective Studies</subject><subject>Secondary hyperparathyroidism</subject><issn>1744-9979</issn><issn>1744-9987</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNqNUc2O0zAQjhCIXRZeAfnEadN17CROEJcStl2gQEULSFws15lQd9262E63eVMeB2dbyhF88Yzn-xn5iyKU4EESztVqkLA0jcuyYAOCMRtgnNFysH8QnZ8GD081K8-iJ86tMCYkpfRxdJYUJGNFkpxHvyqhpWrXl2i6NG67NLZ1l6gStlZmJ5xstbDoegcb75DY1GiodSxF6wB9MNYLrXyH1AbdwNrUSujOKYemwque8BIN0UxtfmiIZejBos_gbXAB6dUOUGWCnUcz39Yd8iZMhXPgHPJLQF-Ddt2rm-a-fye2YgPBd2akgvDeGIve_LGcL8GKbYfGrapBqwB8Gj1qhHbw7HhfRF9G1_PqJp58Gr-thpNYZiQrYyZqsWA0oyRPoJG0ZKQkUDKZ4LyWVJCS5k3OMqCEpUWT5fmCJTQVAkQmFzmhF9GLg-7Wmp8tOM_XyknQOmxrWscZJqzErPwnkOA0KxJaBGBxAMrwV85Cw7dWrYXteIJ5Hz9f8T5Z3qfM-_j5ffx8H6jPjx7tYg31X-Ix7wB4dQDcKQ3dfwvz-XAaikCPD3TlPOxPdGFvec4oy_i3j2M-IaNq-vr9iH-nvwGp4dHr</recordid><startdate>200802</startdate><enddate>200802</enddate><creator>Komaba, Hirotaka</creator><creator>Igaki, Naoya</creator><creator>Takashima, Mototsugu</creator><creator>Goto, Shunsuke</creator><creator>Yokota, Kazuki</creator><creator>Komada, Hisako</creator><creator>Takemoto, Toshiyuki</creator><creator>Kohno, Maki</creator><creator>Kadoguchi, Hiraku</creator><creator>Hirosue, Yoshiaki</creator><creator>Goto, Takeo</creator><general>Blackwell Publishing Asia</general><scope>BSCLL</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QP</scope><scope>7X8</scope></search><sort><creationdate>200802</creationdate><title>Calcium, Phosphorus, Cardiovascular Events and All-cause Mortality in Hemodialysis Patients: A Single-center Retrospective Cohort Study to Reassess the Validity of the Japanese Society for Dialysis Therapy Guidelines</title><author>Komaba, Hirotaka ; Igaki, Naoya ; Takashima, Mototsugu ; Goto, Shunsuke ; Yokota, Kazuki ; Komada, Hisako ; Takemoto, Toshiyuki ; Kohno, Maki ; Kadoguchi, Hiraku ; Hirosue, Yoshiaki ; Goto, Takeo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5259-7adab7353261efc397292e97c106dc3a2936f675e32748f566b7134aaea5cb623</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Aged</topic><topic>Asian Continental Ancestry Group</topic><topic>Calcium</topic><topic>Calcium - blood</topic><topic>Cardiovascular Diseases - epidemiology</topic><topic>Cardiovascular Diseases - etiology</topic><topic>Cardiovascular Diseases - prevention & control</topic><topic>Cardiovascular event</topic><topic>Cohort Studies</topic><topic>Female</topic><topic>Follow-Up Studies</topic><topic>Hemodialysis patient</topic><topic>Humans</topic><topic>Incidence</topic><topic>Japan</topic><topic>JSDT guidelines</topic><topic>Male</topic><topic>Middle Aged</topic><topic>Parathyroid Hormone - blood</topic><topic>Phosphorus</topic><topic>Phosphorus - blood</topic><topic>Practice Guidelines as Topic</topic><topic>Proportional Hazards Models</topic><topic>Renal Dialysis - mortality</topic><topic>Retrospective Studies</topic><topic>Secondary hyperparathyroidism</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Komaba, Hirotaka</creatorcontrib><creatorcontrib>Igaki, Naoya</creatorcontrib><creatorcontrib>Takashima, Mototsugu</creatorcontrib><creatorcontrib>Goto, Shunsuke</creatorcontrib><creatorcontrib>Yokota, Kazuki</creatorcontrib><creatorcontrib>Komada, Hisako</creatorcontrib><creatorcontrib>Takemoto, Toshiyuki</creatorcontrib><creatorcontrib>Kohno, Maki</creatorcontrib><creatorcontrib>Kadoguchi, Hiraku</creatorcontrib><creatorcontrib>Hirosue, Yoshiaki</creatorcontrib><creatorcontrib>Goto, Takeo</creatorcontrib><collection>Istex</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Therapeutic apheresis and dialysis</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Komaba, Hirotaka</au><au>Igaki, Naoya</au><au>Takashima, Mototsugu</au><au>Goto, Shunsuke</au><au>Yokota, Kazuki</au><au>Komada, Hisako</au><au>Takemoto, Toshiyuki</au><au>Kohno, Maki</au><au>Kadoguchi, Hiraku</au><au>Hirosue, Yoshiaki</au><au>Goto, Takeo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Calcium, Phosphorus, Cardiovascular Events and All-cause Mortality in Hemodialysis Patients: A Single-center Retrospective Cohort Study to Reassess the Validity of the Japanese Society for Dialysis Therapy Guidelines</atitle><jtitle>Therapeutic apheresis and dialysis</jtitle><addtitle>Ther Apher Dial</addtitle><date>2008-02</date><risdate>2008</risdate><volume>12</volume><issue>1</issue><spage>42</spage><epage>48</epage><pages>42-48</pages><issn>1744-9979</issn><eissn>1744-9987</eissn><abstract>: Mineral and bone disorders frequently cause cardiovascular complications and mortality in hemodialysis patients, but few observational studies of Japanese patients have investigated this matter. A retrospective cohort study of 99 patients (53 males, 46 females; mean age: 65 ± 12 year; 38% with diabetes mellitus) on maintenance hemodialysis in our dialysis center was conducted. Mean serum Ca, P and intact parathyroid hormone (iPTH) levels were 9.2 ± 0.9 mg/dL, 6.1 ± 1.7 mg/dL, and 233 ± 333 pg/mL, respectively. The cutoff values for each of these three parameter were defined according to the target ranges recommended by the Japanese Society for Dialysis Therapy (JSDT) guidelines (Ca: 8.4–10.0 mg/dL; P: 3.5–6.0 mg/dL; iPTH: 60–180 pg/mL). During a 45‐month follow up, patients with all parameters outside the target ranges showed the highest incidence of cardiovascular events and all‐cause deaths (16.6 and 29.2 per 1000 person‐years, respectively). The relative risks of cardiovascular events and all‐cause deaths were analyzed by multivariate Cox regression models. The hazard ratio (HR) for cardiovascular events was significantly lower for patients who achieved serum Ca and P objectives compared with others (HR: 2.12; 95% CI: 1.04–4.34; P < 0.05), and similar differences were observed for all‐cause deaths (HR: 3.10; 95% CI: 1.13–8.53; P < 0.05). However, the relationship between iPTH levels and each of the endpoints was less pronounced. The results of this study provide support for the JSDT guidelines, which give priority to the control of serum Ca and P levels over the control of parathyroid function.</abstract><cop>Melbourne, Australia</cop><pub>Blackwell Publishing Asia</pub><pmid>18257811</pmid><doi>10.1111/j.1744-9987.2007.00539.x</doi><tpages>7</tpages></addata></record> |
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subjects | Aged Asian Continental Ancestry Group Calcium Calcium - blood Cardiovascular Diseases - epidemiology Cardiovascular Diseases - etiology Cardiovascular Diseases - prevention & control Cardiovascular event Cohort Studies Female Follow-Up Studies Hemodialysis patient Humans Incidence Japan JSDT guidelines Male Middle Aged Parathyroid Hormone - blood Phosphorus Phosphorus - blood Practice Guidelines as Topic Proportional Hazards Models Renal Dialysis - mortality Retrospective Studies Secondary hyperparathyroidism |
title | Calcium, Phosphorus, Cardiovascular Events and All-cause Mortality in Hemodialysis Patients: A Single-center Retrospective Cohort Study to Reassess the Validity of the Japanese Society for Dialysis Therapy Guidelines |
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