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Autoantibodies to autonomic nerves associated with cardiac and peripheral autonomic neuropathy.

Granberg, Viktoria LU ; Ejskjaer, Niels ; Peakman, Mark and Sundkvist, Göran LU (2005) In Diabetes Care 28(8). p.1959-1964
Abstract
OBJECTIVE—This study examines whether autonomic nerve autoantibodies (ANabs) are associated with development of autonomic neuropathy using a prospective study design.



RESEARCH DESIGN AND METHODS—A group of type 1 diabetic patients were followed prospectively with regard to autonomic nerve function on four occasions. At the third examination, 41 patients were tested for ANabs (complement-fixing autoantibodies to the sympathetic ganglion, vagus nerve, and adrenal medulla), and the results were related to cardiac autonomic nerve function (heart rate variation during deep breathing [expiration/inspiration ratio] and heart-rate reaction to tilt [acceleration and brake index]) and to peripheral sympathetic nerve function... (More)
OBJECTIVE—This study examines whether autonomic nerve autoantibodies (ANabs) are associated with development of autonomic neuropathy using a prospective study design.



RESEARCH DESIGN AND METHODS—A group of type 1 diabetic patients were followed prospectively with regard to autonomic nerve function on four occasions. At the third examination, 41 patients were tested for ANabs (complement-fixing autoantibodies to the sympathetic ganglion, vagus nerve, and adrenal medulla), and the results were related to cardiac autonomic nerve function (heart rate variation during deep breathing [expiration/inspiration ratio] and heart-rate reaction to tilt [acceleration and brake index]) and to peripheral sympathetic nerve function (vasoconstriction after indirect cooling [vasoconstriction index]).



RESULTS—ANabs were detected in 23 of 41 (56%) patients at the third examination. Compared with patients without ANabs (ANabs−), patients with ANabs (ANabs+) showed significantly higher frequencies of at least one abnormal cardiac autonomic nerve function test at the third examination (17 of 23 [74%] vs. 7 of 18 [39%]; P = 0.03) and fourth examination (15 of 21 [71%] vs. 4 of 16 [25%]; P < 0.01). In contrast, there was no similar difference at the first or second examination. The relative risk for ANabs+ patients to develop cardiac autonomic neuropathy at follow-up was 7.5 (95% CI 1.72–32.80). The vasoconstriction index was more abnormal in ANabs+ than in ANabs− patients at the fourth examination (median 1.40 [interquartile range 1.58] vs. 0.35 [2.05]; P = 0.01).



CONCLUSIONS—ANabs were associated with future development of cardiac and peripheral autonomic neuropathy in diabetic patients, implying an etiological relationship between nervous tissue autoimmunity and these diabetes complications. (Less)
Please use this url to cite or link to this publication:
author
; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Diabetes Care
volume
28
issue
8
pages
1959 - 1964
publisher
American Diabetes Association
external identifiers
  • wos:000230869700018
  • pmid:16043739
  • scopus:23044463743
ISSN
1935-5548
DOI
10.2337/diacare.28.8.1959
language
English
LU publication?
yes
additional info
The information about affiliations in this record was updated in December 2015. The record was previously connected to the following departments: Diabetes Epidemiology and Neuropathy (013241560)
id
544ed9cf-c8ca-4380-a8c5-b46445c8aa3a (old id 143132)
alternative location
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=16043739&dopt=Abstract
date added to LUP
2016-04-01 16:36:48
date last changed
2022-02-20 07:16:24
@article{544ed9cf-c8ca-4380-a8c5-b46445c8aa3a,
  abstract     = {{OBJECTIVE—This study examines whether autonomic nerve autoantibodies (ANabs) are associated with development of autonomic neuropathy using a prospective study design.<br/><br>
<br/><br>
RESEARCH DESIGN AND METHODS—A group of type 1 diabetic patients were followed prospectively with regard to autonomic nerve function on four occasions. At the third examination, 41 patients were tested for ANabs (complement-fixing autoantibodies to the sympathetic ganglion, vagus nerve, and adrenal medulla), and the results were related to cardiac autonomic nerve function (heart rate variation during deep breathing [expiration/inspiration ratio] and heart-rate reaction to tilt [acceleration and brake index]) and to peripheral sympathetic nerve function (vasoconstriction after indirect cooling [vasoconstriction index]).<br/><br>
<br/><br>
RESULTS—ANabs were detected in 23 of 41 (56%) patients at the third examination. Compared with patients without ANabs (ANabs−), patients with ANabs (ANabs+) showed significantly higher frequencies of at least one abnormal cardiac autonomic nerve function test at the third examination (17 of 23 [74%] vs. 7 of 18 [39%]; P = 0.03) and fourth examination (15 of 21 [71%] vs. 4 of 16 [25%]; P &lt; 0.01). In contrast, there was no similar difference at the first or second examination. The relative risk for ANabs+ patients to develop cardiac autonomic neuropathy at follow-up was 7.5 (95% CI 1.72–32.80). The vasoconstriction index was more abnormal in ANabs+ than in ANabs− patients at the fourth examination (median 1.40 [interquartile range 1.58] vs. 0.35 [2.05]; P = 0.01).<br/><br>
<br/><br>
CONCLUSIONS—ANabs were associated with future development of cardiac and peripheral autonomic neuropathy in diabetic patients, implying an etiological relationship between nervous tissue autoimmunity and these diabetes complications.}},
  author       = {{Granberg, Viktoria and Ejskjaer, Niels and Peakman, Mark and Sundkvist, Göran}},
  issn         = {{1935-5548}},
  language     = {{eng}},
  number       = {{8}},
  pages        = {{1959--1964}},
  publisher    = {{American Diabetes Association}},
  series       = {{Diabetes Care}},
  title        = {{Autoantibodies to autonomic nerves associated with cardiac and peripheral autonomic neuropathy.}},
  url          = {{http://dx.doi.org/10.2337/diacare.28.8.1959}},
  doi          = {{10.2337/diacare.28.8.1959}},
  volume       = {{28}},
  year         = {{2005}},
}