Shiga T, Wajima Z, Inoue T, Ogawa R "Survey of observer variation in transesophageal echocardiography: Comparison of anesthesiology and cardiology literature" JOURNAL OF CARDIOTHORACIC AND VASCULAR ANESTHESIA 17 (4): 430-442 AUG 2003
Eugene Garfield
garfield at CODEX.CIS.UPENN.EDU
Mon May 24 16:16:06 EDT 2004
Toshiya Shiga : shiga/anesth at nms.ac.jp
TITLE Survey of observer variation in transesophageal echocardiography:
Comparison of anesthesiology and cardiology literature
AUTHOR Shiga T, Wajima Z, Inoue T, Ogawa R
JOURNAL JOURNAL OF CARDIOTHORACIC AND VASCULAR ANESTHESIA
17 (4): 430-442 AUG 2003
Document type: Review Language: English Cited References: 131
Times Cited: 2 Explanation
Abstract:
Objective: Transesophageal echocardiographic examination tends to be
somewhat observer and experience dependent, and observer bias can arise
easily when data are calculated and interpreted by unskilled, nonblinded,
or single observers. The study plan was to see whether authors have
adequately described how observer bias is minimized in their studies. Thus,
a study was conducted systematically reviewing methods reported in
transesophageal echocardiography articles in peer-reviewed anesthesiology
journals versus those reported in peer-reviewed cardiology journals.
Interventions: After MEDLINE searches of the literature published from 1997
through 1999, the authors investigated 56 anesthesiology reports and 56
randomly selected, year-matched cardiology reports. An 8-item questionnaire
was developed that examined several factors: the number of observers and
their experience levels, whether observers were blind to clinical data,
whether low-quality images were excluded, the use of on-line or off-line
analysis, and observer variability.
Main Results: The analysis revealed inadequacies in reporting of important
information that relates to bias and quality in 91.1% of anesthesiology and
98.2% of cardiology articles. Observer variability was not reported in
50.0% of the anesthesiology reports and 67.9% of the cardiology reports;
however, difference between the 2 bodies of literature was not significant.
The journal impact factor was significantly higher for the cardiology
literature than for the anesthesiology literature (2.42 [0.386-10.893] v
1.07 [0.664-3.439]; median [range], p < 0.001).
Conclusion: Articles reviewed had at least some inadequacies in reporting
the methods to minimize observer bias in both the anesthesiology and
cardiology literature. Reporting methodology standards in TEE examinations
remain to be established. (C) 2003 Elsevier Inc. All rights reserved.
Author Keywords:
transesophageal echocardiography (TEE), anesthesiology, cardiology, bias
(epidemiology), observer variation, literature review, impact factor
KeyWords Plus:
LEFT-VENTRICULAR FUNCTION, WALL-MOTION ABNORMALITIES, CARDIAC SURGICAL
PATIENTS, CORONARY-ARTERY DISEASE, ATRIAL MECHANICAL FUNCTION, SPONTANEOUS
ECHO CONTRAST, MITRAL-VALVE REPLACEMENT, CAPILLARY WEDGE PRESSURE, TOTAL
KNEE ARTHROPLASTY, THORACIC AORTIC PLAQUE
Addresses:
Shiga T, Chiba Hokusoh Hosp, Nippon Med Sch, Dept Anesthesia, Kamagari
1715, Inba, Chiba 2701694, Japan
Chiba Hokusoh Hosp, Nippon Med Sch, Dept Anesthesia, Inba, Chiba 2701694,
Japan
Nippon Med Coll Hosp, Dept Anesthesiol, Tokyo, Japan
Publisher:
W B SAUNDERS CO, INDEPENDENCE SQUARE WEST CURTIS CENTER, STE 300,
PHILADELPHIA, PA 19106-3399 USA
IDS Number:
716MV
ISSN:
1053-0770
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