Thoracic and cardiovascular surgeries in Japan during 2018

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ANNUAL REPORT

Thoracic and cardiovascular surgeries in Japan during 2018 Annual report by the Japanese Association for Thoracic Surgery Committee for Scientific Affairs, The Japanese Association for Thoracic Surgery1 • Hideyuki Shimizu2 Morihito Okada3 • Yasushi Toh4 • Yuichiro Doki5 • Shunsuke Endo6 • Hirotsugu Fukuda7 • Yasutaka Hirata8 • Hisashi Iwata9 • Junjiro Kobayashi10 • Hiraku Kumamaru11 • Hiroaki Miyata12 • Noboru Motomura13 • Shoji Natsugoe14 • Soji Ozawa15 • Yoshikatsu Saiki16 • Aya Saito17 • Hisashi Saji18 • Yukio Sato19 • Tsuyoshi Taketani20 • Kazuo Tanemoto21 • Akira Tangoku22 • Wataru Tatsuishi23 • Hiroyuki Tsukihara24 • Masayuki Watanabe25 • Hiroyuki Yamamoto26 • Kenji Minatoya27 • Kohei Yokoi28 • Yutaka Okita29 • Masanori Tsuchida30 • Yoshiki Sawa31



 The Author(s) 2020

The Japanese Association for Thoracic Surgery has conducted annual surveys of thoracic surgery throughout Japan since 1986 to determine statistics pertaining to the number of procedures performed according to surgical categories. We herein summarize the results of the association’s annual survey of thoracic surgeries performed in 2018. Adhering to the norm thus far, thoracic surgery had been classified into three categories, cardiovascular, general thoracic, and esophageal surgeries, with patient data for each group being examined and analyzed. We honor and value all members’ continued professional support and contributions. Incidence of hospital mortality was included in the survey to determine nationwide status, which has contributed to Japanese surgeons’ understanding of the present status of thoracic surgery in Japan while helping to effect improvements in surgical outcomes by enabling comparisons between their work and that of others. This approach has enabled the association to gain a better understanding of present problems and future prospects, which is reflected in its activities and member education.

Morihito Okada and Akira Tangoku have contributed equally to this work. Annual report by the Japanese Association for Thoracic Surgery: Committee for Scientific Affairs. & Hideyuki Shimizu [email protected] Extended author information available on the last page of the article

Thirty-day mortality (otherwise known as operative mortality) is defined as death within 30 days of surgery, regardless of the patient’s geographic location, including post-discharge from the hospital. Hospital mortality is defined as death within any time interval following surgery among patients yet to be discharged from the hospital. While hospital-to-hospital transfer during esophageal surgery is not considered a form of discharge, transfer to a nursing home or a rehabilitation unit is considered hospital discharge, unless the patient subsequently dies of complications from surgery. In contrast, hospital-to-hospital transfer 30 days following cardiovascular and general thoracic surgeries is considered discharge given that data related to the National Clinical Database (NCD) were employed in these c