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Omura, Daisuke Department of General Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
Sato, Asuka Department of General Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
Oka, Kosuke Department of General Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
Hanayama, Yoshihisa Department of General Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
Ogawa, Hiroko Department of General Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
Obika, Mikako Department of General Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
Otsuka, Fumio Department of General Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
Abstract
To clarify potential relationships between chief complaints of patients and laboratory data with a focus on aging-related changes, we retrospectively analyzed the data of 843 patients who visited a general medicine department for the first time. Their chief complaints were classified into 8 major symptoms: visceral pain, somatic pain, fever, cough, dizziness, fatigue, appetite loss, and edema. We compared the laboratory data obtained from the patients with complaints with the data of symptom-free (control) patients. The serum sodium and potassium levels in the fever group were decreased compared to those in the control group. In the fever group, the serum sodium level was inversely correlated with age. The ratio of serum urea nitrogen to creatinine (UN/Cr) was increased in the appetite-loss group. There were significant age-dependent increases in the UN/Cr ratio in the appetite-loss and edema groups. Of note, serum levels of free thyroxin were lower in the dizziness group compared to the control group. In addition, the free thyroxin level was inversely correlated with age in the dizziness group but not in the asymptomatic control group. Collectively, the results indicated that osmolality-related laboratory data are strongly associated with individual primary symptoms at the first visit regardless of the final diagnosis. The consideration of age-dependent changes of these markers is helpful for diagnosing latent disorders based on various primary symptoms.
Keywords
dizziness
fever
osmolality
serum sodium
thyroid dysfunction
Amo Type
Original Article
Published Date
2018-12
Publication Title
Acta Medica Okayama
Volume
volume72
Issue
issue6
Publisher
Okayama University Medical School
Start Page
553
End Page
562
ISSN
0386-300X
NCID
AA00508441
Content Type
Journal Article
language
英語
Copyright Holders
CopyrightⒸ 2018 by Okayama University Medical School
File Version
publisher
Refereed
True
PubMed ID
NAID