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Status Quo of Diagnostic Procedures and Treatment of Inpatients with Infective Endocarditis at the Department of General Medicine at a University Hospital in a Suburban City in Japan: A Single-Hospital-Based Retrospective Study

Authors Yamashita S, Tago M, Tokushima M, Nakashima T, Katsuki NE, Anzai K, Yamashita S

Received 25 May 2020

Accepted for publication 14 July 2020

Published 26 August 2020 Volume 2020:13 Pages 547—557

DOI https://doi.org/10.2147/IJGM.S264497

Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 4

Editor who approved publication: Dr Scott Fraser


Shun Yamashita,1 Masaki Tago,1 Midori Tokushima,1 Tomotaro Nakashima,1 Naoko E Katsuki,1 Keizo Anzai,2 Shu-ichi Yamashita1

1Department of General Medicine, Saga University Hospital, Saga, Japan; 2Division of Metabolism and Endocrinology, Faculty of Medicine, Saga University, Saga, Japan

Correspondence: Masaki Tago
Department of General Medicine, Saga University Hospital, 5-1-1 Nabeshima, Saga 849-8501, Japan
Tel +81952343238
Fax +81952342029
Email tagomas@cc.saga-u.ac.jp

Background: Our hospital’s department of general medicine is often involved in the diagnosis and treatment of diseases that are considered by other hospitals or other departments in our hospital to be difficult to diagnose correctly.
Objective: The aim of this study was to clarify how patients with infective endocarditis (IE) being admitted to our hospital’s department of general medicine were examined and treated and to elucidate their prognosis compared with patients admitted to other departments.
Materials and Methods: Inpatients of Saga University Hospital with definite IE from September 2007 to August 2017 were divided into 2 groups: those admitted to the general medicine department (the GM group) and those admitted to other departments (the non-GM group).
Results: Seventy-four patients were included; 17 (23%) were admitted to the general medicine department. In the GM group, the percentage of patients diagnosed with definite or suspected IE was lower (0% vs 32%, p=0.008), as was the rate of patients with echocardiographic findings that fulfilled the major modified Duke’s criteria (71% vs 98%, p≤ 0.001), preadmission. The GM group had higher percentages of patients with back or joint pain (41% vs 9%, p=0.001) and complications, including pyogenic spondylitis (35% vs 2%, p≤ 0.001), deep-seated abscesses (24% vs 5%, p=0.024), pyogenic arthritis (18% vs 0%, p=0.001), and glomerulonephritis (77% vs 37%, p=0.004) than did the non-GM group. Mortality within 30 days of admission to our hospital (12% vs 14%, p=0.753) and overall in-hospital mortality (12% vs 18%, p=0.570) did not significantly differ.
Conclusion: The general medicine department could have accurately diagnosed IE, given appropriate treatments, and obtained similar prognoses to those of IE patients treated by other departments, including cardiology and cardiovascular surgery, even in patients for whom diagnosing IE was more difficult or who had less typical echocardiographic findings preadmission.

Keywords: infective endocarditis, echocardiographic findings of infective endocarditis, general medicine, cardiology, cardiovascular surgery

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