Thyroid and Thymic Endocrine Function and Survival in Severely Traumatized Patients with or Without Head Injury

Overview

Journal Intensive Care Med

Specialty Critical Care

Date 1995 Apr 1

PMID 7650256

Citations 3

Authors

E Mocchegiani

R Imberti

D Testasecca

M Zandri

L Santarelli

N Fabris

Affiliations

Soon will be listed here.

Abstract

Objective: Functional links among the brain, endocrine and immune system have been described previously. An impairment of both immunological defence mechanisms and thyroid hormone turnover was present in trauma conditions. An investigation on the relevance of thymulin and thyroid hormones in multiple trauma patients with or without head injury has been performed. The role of these hormones as predictive factors for patients outcome was also evaluated.

Design: Plasma thymulin levels and plasma thyroid hormone concentrations were tested in multiple trauma patients 24 h after admission to the Intensive Care Unit (ICU) and again after 5 and 10 days.

Setting: Department of Immunology Ctr. INRCA, IInd ICU, S. Matteo Hospital Pavia and ICU "Umberto I" Hospital, Ancona.

Patients: 45 patients were evaluated including 14 multiple trauma patients without head injury and 31 multiple trauma patients with head injury at various level of coma, graded according to the Glascow Coma Score (GCS).

Interventions: Routine protocol interventions were performed in all head injured patients.

Measurements And Results: Thymulin and triiodothyronine (T3) levels were reduced, and reverse triiodothyronine (rT3) increased in all traumatized patients, but multiple trauma patients with head injury and GCS < or = 5 had the lowest levels of thymulin and T3 and the highest levels of rT3. No difference in plasma thyroxine (T4) and thyrotropin (TSH) levels was observed among injured patients. The analysis of predictive factors for the outcome has assigned to thymulin the highest score (29.6%) compared with the score for T3 (19.3%) and rT3 (26.3%). The total relative risk (delta %) calculated on the basis of T3 or rT3 rises significantly when thymulin relative risk is added.

Conclusions: Thymulin is markedly reduced in multiple trauma patients with head injury and it represents a predictive factor for the outcome better than the one deriving from the single measurements restricted to thyroid hormones.

Citing Articles

Low triiodothyronine levels correlate with high B-type natriuretic peptide levels in patients with heart failure.

Takahashi H, Kashiwagi Y, Nagoshi T, Tanaka Y, Oi Y, Kimura H Sci Rep. 2021; 11(1):21865.

PMID: 34750462 PMC: 8576007. DOI: 10.1038/s41598-021-01454-5.

Exposure to the UV Filter Octyl Methoxy Cinnamate in the Postnatal Period Induces Thyroid Dysregulation and Perturbs the Immune System of Mice.

Ferraris F, Garcia E, Chaves A, Brito T, Doro L, da Silva N Front Endocrinol (Lausanne). 2020; 10:943.

PMID: 32082254 PMC: 7005579. DOI: 10.3389/fendo.2019.00943.

Hypothalamic-pituitary dysfunction in critically ill patients with traumatic and nontraumatic brain injury.

Dimopoulou I, Tsagarakis S Intensive Care Med. 2005; 31(8):1020-8.

PMID: 15959759 DOI: 10.1007/s00134-005-2689-y.

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