Clinical Focus ›› 2022, Vol. 37 ›› Issue (5): 451-454.doi: 10.3969/j.issn.1004-583X.2022.05.012

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Multiple system atrophy complicated with syndrome of inappropriate antidiuresis: A case report and literature review

Qiu Jianmei1, Shen Hongxia2, Wang Defeng2()   

  1. 1. Clinical Medical College, Hebei University of Engineering, Handan 056002, China
    2. Department of Endocrinology, Affiliated Hospital of Hebei Engineering University, Handan 056029, China
  • Received:2021-12-31 Online:2022-05-20 Published:2022-06-22
  • Contact: Wang Defeng E-mail:wdf991217@126.com

Abstract:

Objective To provide evidences for clinical diagnosis and treatment of multiple system atrophy (MSA) complicated with the syndrome of inappropriate antidiuresis (SIAD) by exploring clinical features of the disease. Methods The clinical data, diagnosis & treatment process of a patient with MSA complicated with SIAD were retrospectively analyzed, and relevant literature was reviewed. Results The patient was a 58-year-old male with intermittent disturbance of consciousness accompanied by cough and sputum for more than 1 month, and then underwent the disease attack for 2 days. In combination with the patient's medical history, physical examination and auxiliary examination, the following findings of admission diagnosis were made: ①Severe hyponatremia; ②Pulmonary infection; ③ MSA. The patient was confirmed to have SIAD after supplementing relevant auxiliary examination and combining corresponding clinical manifestations. The patient's pulmonary infection was cured except for persistent hyponatremia after therapies including anti-infection, water fasting and sodium supplementation. Conclusion MSA may be the cause of SIAD, and pulmonary infection may be the susceptible factor of SIAD complicated with MSA. The control over water-sodium balance should be strengthened for patients with MSA, especially the cases complicated with pulmonary infection.

Key words: multiple system atrophy, syndrome of inappropriate antidiuresis, hyponatremia

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