PREVALENCE OF RELATIVE BRADYCARDIA IN ORIENTIA TSUTSUGAMUSHI INFECTION
We investigated 100 febrile patients infected with Orientia tsutsugamushi (the etiologic agent of scrub typhus) for the presence of relative bradycardia, defined as in increase in heart rate of < 10 beats/minutes/1 degree C increase in temperature. The median heart rate response for the entire fe...
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| Veröffentlicht in: | The American journal of tropical medicine and hygiene 2003-04, Vol.68 (4), p.477-479 |
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| container_title | The American journal of tropical medicine and hygiene |
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| creator | ARONOFF, DAVID M WATT, GEORGE |
| description | We investigated 100 febrile patients infected with Orientia tsutsugamushi (the etiologic agent of scrub typhus) for the presence of relative bradycardia, defined as in increase in heart rate of < 10 beats/minutes/1 degree C increase in temperature. The median heart rate response for the entire febrile scrub typhus population was 9.3 beats/minute/degrees C and the prevalence of relative bradycardia was 53%. The occurrence of relative bradycardia was independent of patient age or gender. There were no differences in median basal temperature or febrile temperature between those patients exhibiting relative bradycardia and those with a normal febrile pulse increase. However, febrile patients with relative bradycardia had a significantly higher resting pulse rate following recovery from infection than did patients who had a normal pulse increase during their illness. These data demonstrate that relative bradycardia frequently accompanies mild infection with O. tsutsugamushi and that baseline cardiovascular parameters may affect the febrile heart rate response to scrub typhus. |
| doi_str_mv | 10.4269/ajtmh.2003.68.477 |
| format | Article |
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The median heart rate response for the entire febrile scrub typhus population was 9.3 beats/minute/degrees C and the prevalence of relative bradycardia was 53%. The occurrence of relative bradycardia was independent of patient age or gender. There were no differences in median basal temperature or febrile temperature between those patients exhibiting relative bradycardia and those with a normal febrile pulse increase. However, febrile patients with relative bradycardia had a significantly higher resting pulse rate following recovery from infection than did patients who had a normal pulse increase during their illness. These data demonstrate that relative bradycardia frequently accompanies mild infection with O. tsutsugamushi and that baseline cardiovascular parameters may affect the febrile heart rate response to scrub typhus.</description><identifier>ISSN: 0002-9637</identifier><identifier>EISSN: 1476-1645</identifier><identifier>DOI: 10.4269/ajtmh.2003.68.477</identifier><identifier>PMID: 12875300</identifier><identifier>CODEN: AJTHAB</identifier><language>eng</language><publisher>Lawrence, KS: ASTMH</publisher><subject>Adolescent ; Adult ; Aged ; Biological and medical sciences ; Body Temperature ; Bradycardia - epidemiology ; Bradycardia - etiology ; Cardiac dysrhythmias ; Cardiology. Vascular system ; Female ; Heart ; Heart Rate ; Humans ; Male ; Medical sciences ; Middle Aged ; Prevalence ; Prospective Studies ; Pulse ; Scrub Typhus - complications ; Scrub Typhus - physiopathology ; Thailand - epidemiology ; Tropical medicine</subject><ispartof>The American journal of tropical medicine and hygiene, 2003-04, Vol.68 (4), p.477-479</ispartof><rights>2003 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c431t-a209024b2cadcc13d1162675d35a63735c2b79a4e4bbedc964b3fab0d2110b973</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=14751935$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/12875300$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>ARONOFF, DAVID M</creatorcontrib><creatorcontrib>WATT, GEORGE</creatorcontrib><title>PREVALENCE OF RELATIVE BRADYCARDIA IN ORIENTIA TSUTSUGAMUSHI INFECTION</title><title>The American journal of tropical medicine and hygiene</title><addtitle>Am J Trop Med Hyg</addtitle><description>We investigated 100 febrile patients infected with Orientia tsutsugamushi (the etiologic agent of scrub typhus) for the presence of relative bradycardia, defined as in increase in heart rate of < 10 beats/minutes/1 degree C increase in temperature. The median heart rate response for the entire febrile scrub typhus population was 9.3 beats/minute/degrees C and the prevalence of relative bradycardia was 53%. The occurrence of relative bradycardia was independent of patient age or gender. There were no differences in median basal temperature or febrile temperature between those patients exhibiting relative bradycardia and those with a normal febrile pulse increase. However, febrile patients with relative bradycardia had a significantly higher resting pulse rate following recovery from infection than did patients who had a normal pulse increase during their illness. These data demonstrate that relative bradycardia frequently accompanies mild infection with O. tsutsugamushi and that baseline cardiovascular parameters may affect the febrile heart rate response to scrub typhus.</description><subject>Adolescent</subject><subject>Adult</subject><subject>Aged</subject><subject>Biological and medical sciences</subject><subject>Body Temperature</subject><subject>Bradycardia - epidemiology</subject><subject>Bradycardia - etiology</subject><subject>Cardiac dysrhythmias</subject><subject>Cardiology. Vascular system</subject><subject>Female</subject><subject>Heart</subject><subject>Heart Rate</subject><subject>Humans</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Prevalence</subject><subject>Prospective Studies</subject><subject>Pulse</subject><subject>Scrub Typhus - complications</subject><subject>Scrub Typhus - physiopathology</subject><subject>Thailand - epidemiology</subject><subject>Tropical medicine</subject><issn>0002-9637</issn><issn>1476-1645</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkFtrwjAYhsPYmM7tB-xm9Ga7q8upSXvZ1aoFp6NWYVchTeOstNM1iuzfLx7Ay0EggTzf-348ADwi2KWYBa9yta2XXQwh6TK_Szm_Am1EOXMRo941aEMIsRswwlvgzpgVhMjHCN2CFsI-9wiEbdD_SON5OIrHUexM-k4aj8IsmcfOWxr2PqMw7SWhk4ydSZrE48y-s-nMnkH4PpsOE_vTj6MsmYzvwc1CVkY_nO8OmPXjLBq6o8kgicKRqyhBW1diGEBMc6xkoRQiBUIMM-4VxJN2TeIpnPNAUk3zXBcqYDQnC5nDwq4N84CTDng55W6a9c9Om62oS6N0Vclvvd4ZwQkNPA_Sf0HkWwPIuukAdAJVszam0QuxacpaNr8CQXGwLI6WxcGyYL6wlu3M0zl8l9e6uEyctVrg-QxIo2S1aOS3Ks2Fo4du4l24Zfm13JeNFqaWVWVjkdjv94e6Y-Ef21qMBA</recordid><startdate>20030401</startdate><enddate>20030401</enddate><creator>ARONOFF, DAVID M</creator><creator>WATT, GEORGE</creator><general>ASTMH</general><general>Allen Press</general><scope>IQODW</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>7QL</scope><scope>C1K</scope><scope>7X8</scope></search><sort><creationdate>20030401</creationdate><title>PREVALENCE OF RELATIVE BRADYCARDIA IN ORIENTIA TSUTSUGAMUSHI INFECTION</title><author>ARONOFF, DAVID M ; WATT, GEORGE</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c431t-a209024b2cadcc13d1162675d35a63735c2b79a4e4bbedc964b3fab0d2110b973</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2003</creationdate><topic>Adolescent</topic><topic>Adult</topic><topic>Aged</topic><topic>Biological and medical sciences</topic><topic>Body Temperature</topic><topic>Bradycardia - epidemiology</topic><topic>Bradycardia - etiology</topic><topic>Cardiac dysrhythmias</topic><topic>Cardiology. Vascular system</topic><topic>Female</topic><topic>Heart</topic><topic>Heart Rate</topic><topic>Humans</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Middle Aged</topic><topic>Prevalence</topic><topic>Prospective Studies</topic><topic>Pulse</topic><topic>Scrub Typhus - complications</topic><topic>Scrub Typhus - physiopathology</topic><topic>Thailand - epidemiology</topic><topic>Tropical medicine</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>ARONOFF, DAVID M</creatorcontrib><creatorcontrib>WATT, GEORGE</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Environmental Sciences and Pollution Management</collection><collection>MEDLINE - Academic</collection><jtitle>The American journal of tropical medicine and hygiene</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>ARONOFF, DAVID M</au><au>WATT, GEORGE</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>PREVALENCE OF RELATIVE BRADYCARDIA IN ORIENTIA TSUTSUGAMUSHI INFECTION</atitle><jtitle>The American journal of tropical medicine and hygiene</jtitle><addtitle>Am J Trop Med Hyg</addtitle><date>2003-04-01</date><risdate>2003</risdate><volume>68</volume><issue>4</issue><spage>477</spage><epage>479</epage><pages>477-479</pages><issn>0002-9637</issn><eissn>1476-1645</eissn><coden>AJTHAB</coden><abstract>We investigated 100 febrile patients infected with Orientia tsutsugamushi (the etiologic agent of scrub typhus) for the presence of relative bradycardia, defined as in increase in heart rate of < 10 beats/minutes/1 degree C increase in temperature. The median heart rate response for the entire febrile scrub typhus population was 9.3 beats/minute/degrees C and the prevalence of relative bradycardia was 53%. The occurrence of relative bradycardia was independent of patient age or gender. There were no differences in median basal temperature or febrile temperature between those patients exhibiting relative bradycardia and those with a normal febrile pulse increase. However, febrile patients with relative bradycardia had a significantly higher resting pulse rate following recovery from infection than did patients who had a normal pulse increase during their illness. These data demonstrate that relative bradycardia frequently accompanies mild infection with O. tsutsugamushi and that baseline cardiovascular parameters may affect the febrile heart rate response to scrub typhus.</abstract><cop>Lawrence, KS</cop><pub>ASTMH</pub><pmid>12875300</pmid><doi>10.4269/ajtmh.2003.68.477</doi><tpages>3</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | The American journal of tropical medicine and hygiene, 2003-04, Vol.68 (4), p.477-479 |
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| source | MEDLINE; Alma/SFX Local Collection |
| subjects | Adolescent Adult Aged Biological and medical sciences Body Temperature Bradycardia - epidemiology Bradycardia - etiology Cardiac dysrhythmias Cardiology. Vascular system Female Heart Heart Rate Humans Male Medical sciences Middle Aged Prevalence Prospective Studies Pulse Scrub Typhus - complications Scrub Typhus - physiopathology Thailand - epidemiology Tropical medicine |
| title | PREVALENCE OF RELATIVE BRADYCARDIA IN ORIENTIA TSUTSUGAMUSHI INFECTION |
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