Short- and Long-Term Outcomes of a Transdiaphragmatic Approach for Simultaneous Resection of Colorectal Liver and Lung M
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ORIGINAL ARTICLE
Short- and Long-Term Outcomes of a Transdiaphragmatic Approach for Simultaneous Resection of Colorectal Liver and Lung Metastases Mario De Bellis 1 & Yoshikuni Kawaguchi 1 & Gregor Duwe 1 & Hop S. Tran Cao 1 & Reza J. Mehran 2 & Jean-Nicolas Vauthey 1 Received: 24 June 2020 / Accepted: 8 October 2020 # 2020 The Society for Surgery of the Alimentary Tract
Abstract Background Long-term outcomes for simultaneous resection of synchronous colorectal liver and lung metastases are unknown. To address this gap, we compared outcomes and costs of three strategies for such resection. Methods Patients who underwent resection of synchronous colorectal liver and lung metastases during 2000–2018 were grouped by surgical strategy: simultaneous resection via a transdiaphragmatic approach (transdiaphragmatic) or separate abdominal and thoracic incisions (transthoracic) and nonsimultaneous staged resection (staged). Operative and postoperative outcomes, survival, cumulative lung recurrence, and surgical costs were evaluated. Results The study included 63 patients, 29 with transdiaphragmatic, 14 with transthoracic, and 20 with staged resection. The groups had similar demographic and clinicopathologic characteristics. Lung resection–associated blood loss for the transdiaphragmatic group was similar to that for the transthoracic group (P = .165) but lower than that for the staged group (P = .006). Hospital stay was shorter for the simultaneous groups than for the staged group (P = .007). Median surgical costs were significantly higher in the staged group ($130,733, interquartile range [IQR] $91,109–$173,573) than in the transdiaphragmatic ($70,620, IQR $58,376–$86,203, P < .001) or transthoracic ($62,991, IQR $57,405–$98,862, P < .001) group but did not differ between the transdiaphragmatic and transthoracic groups (P = .786). Rates of postoperative complications, recurrence-free survival, overall survival, and cumulative lung recurrence were similar among the groups. Conclusions Simultaneous resection of synchronous colorectal liver and lung metastases via a transdiaphragmatic approach is associated with lower blood loss, lower costs, and similar survival compared with staged resection. Keywords Synchronous liver and lung metastases . Simultaneous resection . Transdiaphragmatic approach
Introduction Colorectal cancer metastasizes most frequently to the liver (involved in 33% to 60% of patients with metastases) and lung (22%) 1,2. A subset of patients develop synchronous or Presentation at Scientific Meeting The paper was presented during XLII Congresso Nazionale Società Italiana di Chirurgia Oncologica (SICO), Cagliari (Italy), 8–10 September 2019. * Jean-Nicolas Vauthey [email protected] 1
Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Unit 1484, 1515 Holcombe Boulevard, TX 77030 Houston, USA
2
Department of Thoracic Surgery, The University of Texas MD Anderson Cancer Center, Unit 1489, 1400 Pressler Street, TX 77030 Houston, USA
metachronous liver and lung metastases,
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