Low Salt Intake and Changes in Serum Sodium Levels in the Combination Therapy of Low-Dose Hydrochlorothiazide and Angiotensin II Receptor Blocker

Background: The present study was conducted to examine the association of dietary salt intake with changes in serum sodium (srNa) levels when angiotensin II receptor blocker (ARB) treatment is changed to the combination of ARB plus low-dose diuretic (hydrochlorothiazide [HCTZ]). Methods and Results:...

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Veröffentlicht in:Circulation Journal 2013, Vol.77(10), pp.2567-2572
Hauptverfasser: Nakayama, Masafumi, Tomiyama, Hirofumi, Kuwajima, Iwao, Saito, Tetsushi, Hokama, Yohei, Fujii, Yuji, Shimizu, Tadanori, Nakayama, Tohru, Yamashina, Akira, Aizawa, Yoshifusa
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container_end_page 2572
container_issue 10
container_start_page 2567
container_title Circulation Journal
container_volume 77
creator Nakayama, Masafumi
Tomiyama, Hirofumi
Kuwajima, Iwao
Saito, Tetsushi
Hokama, Yohei
Fujii, Yuji
Shimizu, Tadanori
Nakayama, Tohru
Yamashina, Akira
Aizawa, Yoshifusa
description Background: The present study was conducted to examine the association of dietary salt intake with changes in serum sodium (srNa) levels when angiotensin II receptor blocker (ARB) treatment is changed to the combination of ARB plus low-dose diuretic (hydrochlorothiazide [HCTZ]). Methods and Results: In 88 patients (age 70±12 years), ARB treatment was switched to the combination therapy (same dosage ARB+12.5mg/day HCTZ). The srNa level was measured before and 6 months after administration of the combination. The daily salt intake was estimated by the Kawasaki formula using second morning urine sample. The study subjects were divided into quintile ranges according to daily salt intake. The reduction in srNa levels by switching to the combination treatment was significant in subjects in the lowest quintile Q5 (≤8.9g/day salt intake), but not in those in Q1–4 (28.1–9.3g/day salt intake). Increases in serum creatinine and uric acid levels were significantly larger in the former group than in the latter group. Conclusions: In elderly Japanese subjects with low salt intake (
doi_str_mv 10.1253/circj.CJ-13-0287
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Methods and Results: In 88 patients (age 70±12 years), ARB treatment was switched to the combination therapy (same dosage ARB+12.5mg/day HCTZ). The srNa level was measured before and 6 months after administration of the combination. The daily salt intake was estimated by the Kawasaki formula using second morning urine sample. The study subjects were divided into quintile ranges according to daily salt intake. The reduction in srNa levels by switching to the combination treatment was significant in subjects in the lowest quintile Q5 (≤8.9g/day salt intake), but not in those in Q1–4 (28.1–9.3g/day salt intake). Increases in serum creatinine and uric acid levels were significantly larger in the former group than in the latter group. Conclusions: In elderly Japanese subjects with low salt intake (&lt;8.9g/day), the addition of a low-dose diuretic (12.5mg HCTZ) to ARB treatment causes significant reduction in srNa levels, which might affect blood osmolarity.  (Circ J 2013; 77: 2567–2572)</description><identifier>ISSN: 1346-9843</identifier><identifier>EISSN: 1347-4820</identifier><identifier>DOI: 10.1253/circj.CJ-13-0287</identifier><identifier>PMID: 23832512</identifier><language>eng</language><publisher>Japan: The Japanese Circulation Society</publisher><subject>Aged ; Aged, 80 and over ; Angiotensin II receptor blocker ; Angiotensin Receptor Antagonists - administration &amp; dosage ; Diuretics ; Diuretics - administration &amp; dosage ; Female ; Humans ; Hydrochlorothiazide - administration &amp; dosage ; Hyponatremia ; Male ; Middle Aged ; Salt intake ; Sodium - blood ; Sodium - urine ; Sodium Chloride, Dietary - administration &amp; dosage ; Sodium Chloride, Dietary - urine</subject><ispartof>Circulation Journal, 2013, Vol.77(10), pp.2567-2572</ispartof><rights>2013 THE JAPANESE CIRCULATION SOCIETY</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c596t-f09dca3fd5f322794d760aac2471ef475ba0d52664689231ff01e8cb471accff3</citedby><cites>FETCH-LOGICAL-c596t-f09dca3fd5f322794d760aac2471ef475ba0d52664689231ff01e8cb471accff3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,1876,4009,27902,27903,27904</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/23832512$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Nakayama, Masafumi</creatorcontrib><creatorcontrib>Tomiyama, Hirofumi</creatorcontrib><creatorcontrib>Kuwajima, Iwao</creatorcontrib><creatorcontrib>Saito, Tetsushi</creatorcontrib><creatorcontrib>Hokama, Yohei</creatorcontrib><creatorcontrib>Fujii, Yuji</creatorcontrib><creatorcontrib>Shimizu, Tadanori</creatorcontrib><creatorcontrib>Nakayama, Tohru</creatorcontrib><creatorcontrib>Yamashina, Akira</creatorcontrib><creatorcontrib>Aizawa, Yoshifusa</creatorcontrib><title>Low Salt Intake and Changes in Serum Sodium Levels in the Combination Therapy of Low-Dose Hydrochlorothiazide and Angiotensin II Receptor Blocker</title><title>Circulation Journal</title><addtitle>Circ J</addtitle><description>Background: The present study was conducted to examine the association of dietary salt intake with changes in serum sodium (srNa) levels when angiotensin II receptor blocker (ARB) treatment is changed to the combination of ARB plus low-dose diuretic (hydrochlorothiazide [HCTZ]). Methods and Results: In 88 patients (age 70±12 years), ARB treatment was switched to the combination therapy (same dosage ARB+12.5mg/day HCTZ). The srNa level was measured before and 6 months after administration of the combination. The daily salt intake was estimated by the Kawasaki formula using second morning urine sample. The study subjects were divided into quintile ranges according to daily salt intake. The reduction in srNa levels by switching to the combination treatment was significant in subjects in the lowest quintile Q5 (≤8.9g/day salt intake), but not in those in Q1–4 (28.1–9.3g/day salt intake). Increases in serum creatinine and uric acid levels were significantly larger in the former group than in the latter group. Conclusions: In elderly Japanese subjects with low salt intake (&lt;8.9g/day), the addition of a low-dose diuretic (12.5mg HCTZ) to ARB treatment causes significant reduction in srNa levels, which might affect blood osmolarity.  (Circ J 2013; 77: 2567–2572)</description><subject>Aged</subject><subject>Aged, 80 and over</subject><subject>Angiotensin II receptor blocker</subject><subject>Angiotensin Receptor Antagonists - administration &amp; dosage</subject><subject>Diuretics</subject><subject>Diuretics - administration &amp; dosage</subject><subject>Female</subject><subject>Humans</subject><subject>Hydrochlorothiazide - administration &amp; dosage</subject><subject>Hyponatremia</subject><subject>Male</subject><subject>Middle Aged</subject><subject>Salt intake</subject><subject>Sodium - blood</subject><subject>Sodium - urine</subject><subject>Sodium Chloride, Dietary - administration &amp; dosage</subject><subject>Sodium Chloride, Dietary - urine</subject><issn>1346-9843</issn><issn>1347-4820</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpFkU1v1DAQhi0EoqVw54R85JLijzhOjiWFdquVkNhytrzOeONtYi-2F7T9F_3HZD9oLx7L88xjaV6EPlJySZngX4yLZn3Z3hWUF4TV8hU6p7yURVkz8vpwr4qmLvkZepfSmhDWENG8RWeM15wJys7R0zz8xQs9ZDzzWT8A1r7Dba_9ChJ2Hi8gbke8CJ2byhz-wHB4zj3gNoxL53V2weP7HqLe7HCweBIW1yEBvt11MZh-CDHk3ulH1x3tV37lQgafJs9shn-CgU0OEX8dgnmA-B69sXpI8OFUL9Cv79_u29ti_uNm1l7NCyOaKheWNJ3R3HbCcsZkU3ayIlobVkoKtpRiqUknWFWVVd0wTq0lFGqznNraGGv5Bfp89G5i-L2FlNXokoFh0B7CNilacimkFDWdUHJETQwpRbBqE92o405RovZBqEMQqr1TlKt9ENPIp5N9uxyhex74v_kJuDkC65T1Cp4BHbMzA5yMUu6_mM4X9QvR66jA83-JCqBR</recordid><startdate>2013</startdate><enddate>2013</enddate><creator>Nakayama, Masafumi</creator><creator>Tomiyama, Hirofumi</creator><creator>Kuwajima, Iwao</creator><creator>Saito, Tetsushi</creator><creator>Hokama, Yohei</creator><creator>Fujii, Yuji</creator><creator>Shimizu, Tadanori</creator><creator>Nakayama, Tohru</creator><creator>Yamashina, Akira</creator><creator>Aizawa, Yoshifusa</creator><general>The Japanese Circulation Society</general><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>7X8</scope></search><sort><creationdate>2013</creationdate><title>Low Salt Intake and Changes in Serum Sodium Levels in the Combination Therapy of Low-Dose Hydrochlorothiazide and Angiotensin II Receptor Blocker</title><author>Nakayama, Masafumi ; Tomiyama, Hirofumi ; Kuwajima, Iwao ; Saito, Tetsushi ; Hokama, Yohei ; Fujii, Yuji ; Shimizu, Tadanori ; Nakayama, Tohru ; Yamashina, Akira ; Aizawa, Yoshifusa</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c596t-f09dca3fd5f322794d760aac2471ef475ba0d52664689231ff01e8cb471accff3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Aged</topic><topic>Aged, 80 and over</topic><topic>Angiotensin II receptor blocker</topic><topic>Angiotensin Receptor Antagonists - administration &amp; dosage</topic><topic>Diuretics</topic><topic>Diuretics - administration &amp; dosage</topic><topic>Female</topic><topic>Humans</topic><topic>Hydrochlorothiazide - administration &amp; dosage</topic><topic>Hyponatremia</topic><topic>Male</topic><topic>Middle Aged</topic><topic>Salt intake</topic><topic>Sodium - blood</topic><topic>Sodium - urine</topic><topic>Sodium Chloride, Dietary - administration &amp; dosage</topic><topic>Sodium Chloride, Dietary - urine</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nakayama, Masafumi</creatorcontrib><creatorcontrib>Tomiyama, Hirofumi</creatorcontrib><creatorcontrib>Kuwajima, Iwao</creatorcontrib><creatorcontrib>Saito, Tetsushi</creatorcontrib><creatorcontrib>Hokama, Yohei</creatorcontrib><creatorcontrib>Fujii, Yuji</creatorcontrib><creatorcontrib>Shimizu, Tadanori</creatorcontrib><creatorcontrib>Nakayama, Tohru</creatorcontrib><creatorcontrib>Yamashina, Akira</creatorcontrib><creatorcontrib>Aizawa, Yoshifusa</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Circulation Journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nakayama, Masafumi</au><au>Tomiyama, Hirofumi</au><au>Kuwajima, Iwao</au><au>Saito, Tetsushi</au><au>Hokama, Yohei</au><au>Fujii, Yuji</au><au>Shimizu, Tadanori</au><au>Nakayama, Tohru</au><au>Yamashina, Akira</au><au>Aizawa, Yoshifusa</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Low Salt Intake and Changes in Serum Sodium Levels in the Combination Therapy of Low-Dose Hydrochlorothiazide and Angiotensin II Receptor Blocker</atitle><jtitle>Circulation Journal</jtitle><addtitle>Circ J</addtitle><date>2013</date><risdate>2013</risdate><volume>77</volume><issue>10</issue><spage>2567</spage><epage>2572</epage><pages>2567-2572</pages><issn>1346-9843</issn><eissn>1347-4820</eissn><abstract>Background: The present study was conducted to examine the association of dietary salt intake with changes in serum sodium (srNa) levels when angiotensin II receptor blocker (ARB) treatment is changed to the combination of ARB plus low-dose diuretic (hydrochlorothiazide [HCTZ]). Methods and Results: In 88 patients (age 70±12 years), ARB treatment was switched to the combination therapy (same dosage ARB+12.5mg/day HCTZ). The srNa level was measured before and 6 months after administration of the combination. The daily salt intake was estimated by the Kawasaki formula using second morning urine sample. The study subjects were divided into quintile ranges according to daily salt intake. The reduction in srNa levels by switching to the combination treatment was significant in subjects in the lowest quintile Q5 (≤8.9g/day salt intake), but not in those in Q1–4 (28.1–9.3g/day salt intake). Increases in serum creatinine and uric acid levels were significantly larger in the former group than in the latter group. Conclusions: In elderly Japanese subjects with low salt intake (&lt;8.9g/day), the addition of a low-dose diuretic (12.5mg HCTZ) to ARB treatment causes significant reduction in srNa levels, which might affect blood osmolarity.  (Circ J 2013; 77: 2567–2572)</abstract><cop>Japan</cop><pub>The Japanese Circulation Society</pub><pmid>23832512</pmid><doi>10.1253/circj.CJ-13-0287</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record>
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subjects Aged
Aged, 80 and over
Angiotensin II receptor blocker
Angiotensin Receptor Antagonists - administration & dosage
Diuretics
Diuretics - administration & dosage
Female
Humans
Hydrochlorothiazide - administration & dosage
Hyponatremia
Male
Middle Aged
Salt intake
Sodium - blood
Sodium - urine
Sodium Chloride, Dietary - administration & dosage
Sodium Chloride, Dietary - urine
title Low Salt Intake and Changes in Serum Sodium Levels in the Combination Therapy of Low-Dose Hydrochlorothiazide and Angiotensin II Receptor Blocker
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