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Validity of the Swedish Cardiac Surgery Registry

Vikholm, Per; Ivert, Torbjörn; Holmgren, Anders; Freter, Wolfgang; Ternström, Lisa; Ghaidan, Haider LU ; Sartipy, Ulrik; Olsson, Christian; Granfeldt, Hans and Ragnarsson, Sigurdur LU , et al. (2018) In Interactive Cardiovascular and Thoracic Surgery 27(1). p.67-74
Abstract

OBJECTIVES: Our goal was to validate the Swedish Cardiac Surgery Registry by reviewing the reported cardiac operations to assess the completeness and quality of the registered data and the EuroSCORE II variables.

METHODS: A total of 5837 cardiac operations were reported to the Swedish Cardiac Surgery Registry in Sweden during 2015. A randomly selected sample of 753 patient records (13%) was scrutinized by 3 surgeons at all 8 units in Sweden performing open cardiac surgery in adults.

RESULTS: Coverage was excellent with 99% [95% confidence interval (CI) 98-99%] of the performed procedures found in the registry. Reported waiting times for surgery were correct in 78% (95% CI 76-79%) of the cases. The main procedural code was... (More)

OBJECTIVES: Our goal was to validate the Swedish Cardiac Surgery Registry by reviewing the reported cardiac operations to assess the completeness and quality of the registered data and the EuroSCORE II variables.

METHODS: A total of 5837 cardiac operations were reported to the Swedish Cardiac Surgery Registry in Sweden during 2015. A randomly selected sample of 753 patient records (13%) was scrutinized by 3 surgeons at all 8 units in Sweden performing open cardiac surgery in adults.

RESULTS: Coverage was excellent with 99% [95% confidence interval (CI) 98-99%] of the performed procedures found in the registry. Reported waiting times for surgery were correct in 78% (95% CI 76-79%) of the cases. The main procedural code was correctly reported in 96% (95% CI 95-97%) of the cases. The correlation between reported and monitored logistic EuroSCORE II had a coefficient of 0.79 (95% CI 0.76-0.82), and the median difference in EuroSCORE II was 0% (interquartile range -0.4% to 0.4%). The majority of EuroSCORE II variables had good agreement and coherence; however, New York Heart Association functional class, preoperative renal dysfunction, left ventricular ejection fraction, Canadian Cardiovascular Society Class IV angina and poor mobility were less robust. Postoperative complications were rare and in general had a high degree of completeness and agreement.

CONCLUSIONS: The reliability of the variables in the national Swedish Cardiac Surgery Registry was excellent. Thus, the registry is a valuable source of data for quality studies and research. Some EuroSCORE II variables require improved and stricter definitions to obtain uniform reporting and high validity.

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Interactive Cardiovascular and Thoracic Surgery
volume
27
issue
1
pages
8 pages
publisher
European Association of Cardio-Thoracic Surgery
external identifiers
  • scopus:85051739120
ISSN
1569-9285
DOI
10.1093/icvts/ivy030
language
English
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yes
id
f6248a6d-70b3-47c4-b906-6d66ad87f4c2
date added to LUP
2018-10-25 18:01:34
date last changed
2019-01-06 14:12:15
@article{f6248a6d-70b3-47c4-b906-6d66ad87f4c2,
  abstract     = {<p>OBJECTIVES: Our goal was to validate the Swedish Cardiac Surgery Registry by reviewing the reported cardiac operations to assess the completeness and quality of the registered data and the EuroSCORE II variables.</p><p>METHODS: A total of 5837 cardiac operations were reported to the Swedish Cardiac Surgery Registry in Sweden during 2015. A randomly selected sample of 753 patient records (13%) was scrutinized by 3 surgeons at all 8 units in Sweden performing open cardiac surgery in adults.</p><p>RESULTS: Coverage was excellent with 99% [95% confidence interval (CI) 98-99%] of the performed procedures found in the registry. Reported waiting times for surgery were correct in 78% (95% CI 76-79%) of the cases. The main procedural code was correctly reported in 96% (95% CI 95-97%) of the cases. The correlation between reported and monitored logistic EuroSCORE II had a coefficient of 0.79 (95% CI 0.76-0.82), and the median difference in EuroSCORE II was 0% (interquartile range -0.4% to 0.4%). The majority of EuroSCORE II variables had good agreement and coherence; however, New York Heart Association functional class, preoperative renal dysfunction, left ventricular ejection fraction, Canadian Cardiovascular Society Class IV angina and poor mobility were less robust. Postoperative complications were rare and in general had a high degree of completeness and agreement.</p><p>CONCLUSIONS: The reliability of the variables in the national Swedish Cardiac Surgery Registry was excellent. Thus, the registry is a valuable source of data for quality studies and research. Some EuroSCORE II variables require improved and stricter definitions to obtain uniform reporting and high validity.</p>},
  author       = {Vikholm, Per and Ivert, Torbjörn and Holmgren, Anders and Freter, Wolfgang and Ternström, Lisa and Ghaidan, Haider and Sartipy, Ulrik and Olsson, Christian and Granfeldt, Hans and Ragnarsson, Sigurdur and Friberg, Örjan and Nilsson, Johan},
  issn         = {1569-9285},
  language     = {eng},
  month        = {07},
  number       = {1},
  pages        = {67--74},
  publisher    = {European Association of Cardio-Thoracic Surgery},
  series       = {Interactive Cardiovascular and Thoracic Surgery},
  title        = {Validity of the Swedish Cardiac Surgery Registry},
  url          = {http://dx.doi.org/10.1093/icvts/ivy030},
  volume       = {27},
  year         = {2018},
}