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Titolo:
Changes in patterns of 24-HR heart rate variability after kidney and kidney-pancreas transplant
Autore:
Cashion, AK; Hathaway, DK; Milstead, EJ; Reed, L; Gaber, AO;
Indirizzi:
Univ Tennessee, Coll Nursing, Memphis, TN 38163 USA Univ Tennessee Memphis TN USA 38163 , Coll Nursing, Memphis, TN 38163 USA Univ Tennessee, Coll Med, Memphis, TN 38163 USA Univ Tennessee Memphis TNUSA 38163 ssee, Coll Med, Memphis, TN 38163 USA Univ Tennessee, Dept Surg, Transplant Div, Memphis, TN 38163 USA Univ Tennessee Memphis TN USA 38163 Transplant Div, Memphis, TN 38163 USA
Titolo Testata:
TRANSPLANTATION
fascicolo: 12, volume: 68, anno: 1999,
pagine: 1846 - 1850
SICI:
0041-1337(199912)68:12<1846:CIPO2H>2.0.ZU;2-I
Fonte:
ISI
Lingua:
ENG
Soggetto:
DIABETIC AUTONOMIC NEUROPATHY; CARDIAC PARASYMPATHETIC ACTIVITY; ACUTE MYOCARDIAL-INFARCTION; STAGE RENAL-DISEASE; PERIOD VARIABILITY; DEATH; DYSFUNCTION; IMPROVEMENT; RECIPIENTS; SENSITIVITY;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
55
Recensione:
Indirizzi per estratti:
Indirizzo: Hathaway, DK Univ Tennessee, Coll Nursing, 877 Madison Av,Suite 641, Memphis, TN 38163 USA Univ Tennessee 877 Madison Av,Suite 641 Memphis TN USA 38163
Citazione:
A.K. Cashion et al., "Changes in patterns of 24-HR heart rate variability after kidney and kidney-pancreas transplant", TRANSPLANT, 68(12), 1999, pp. 1846-1850

Abstract

Background. Transplantation has been shown to improve cardiorespiratory reflex measures of autonomic function. However, there are limited data on howkidney or kidney-pancreas transplantation influence continuous autonomic modulation of heart rate and the clinical utility of 24-hr heart rate variability (HRV) monitoring. Methods. Ninety nondiabetic kidney and 30 diabetic kidney-pancreas transplant recipients underwent 24-hr Holter monitoring before and again at 6 and 12 months posttransplantation, Tapes were submitted for determination of HRV including interbeat variability (the proportion of adjacent R-R intervalshaving a difference <50 msec, the SD of all R-R intervals for the entire recording, and the SD of the averages of R-R intervals calculated over 5-minblocks for the entire recording) which is associated with vagal function, sudden death, and circadian function, respectively. Power spectral analysisquantified total neural, sympathetic, and parasympathetic modulation of the heart in ln(msec(2)). Results, Nondiabetic kidney recipients showed improvement (P less than or equal to 0.05) in the SD of the averages of R-R intervals calculated over 5-min blocks (83.2 vs. 95.7 msec) and the SD of all R-R intervals (94.5 vs. 104.4 msec) by 6 months and all groups showed improvement by 12 months. Kidney-pancreas recipients also showed improved total neural (4.35 vs, 4.64) and sympathetic modulation (2.70 vs. 3.13). Kidney-pancreas recipients had significantly poorer values for each measure (P less than or equal to 0.05) at all time points. Conclusions. Cardiac autonomic neuropathy arises in the presence of uremiaand diabetes, with severe dysfunction seen when these conditions occur concomitantly. Improvement in cardiac autonomic function follows both kidney and kidney-pancreas transplantation with more pronounced improvement in the circadian measures. Therefore, circadian measures of 24-hr HRV could be used to monitor the restoration of cardiac autonomic function.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 11/07/20 alle ore 20:24:46