1
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Panni RZ, D'Angelica M. Stage IV Rectal Cancer and Timing of Surgical Approach. Clin Colon Rectal Surg 2024; 37:248-255. [PMID: 38882938 PMCID: PMC11178389 DOI: 10.1055/s-0043-1770719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/18/2024]
Abstract
Liver metastases are seen in at least 60% of patients with colorectal cancer at some point during the course of their disease. The management of both primary and liver disease is uniquely challenging in rectal cancer due to competing treatments and complex sequence of treatments depending on the clinical presentation of disease. Recently, several novel concepts are shaping new treatment paradigms, including changes in timing, sequence, and duration of therapies combined with potential deescalation of treatment components. Overall, the treatment of this clinical scenario mandates multidisciplinary evaluation and personalization of care; however, there is still considerable debate regarding the timing of liver metastasectomy in the context of the overall treatment plan. Herein, we will discuss the current literature on management of rectal cancer with synchronous liver metastasis, current treatment approaches with respect to chemotherapy, and role of hepatic artery infusion therapy.
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Affiliation(s)
- Roheena Z Panni
- Complex General Surgical Oncology, Hepatopancreatobiliary Surgery, Memorial Sloan Kettering Cancer Center, New York
| | - Michael D'Angelica
- Memorial Sloan Kettering Cancer Center, Weill Cornell Medical College, Cornell University, New York
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2
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Survival Study: International Multicentric Minimally Invasive Liver Resection for Colorectal Liver Metastases (SIMMILR-2). Cancers (Basel) 2022; 14:cancers14174190. [PMID: 36077728 PMCID: PMC9454893 DOI: 10.3390/cancers14174190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 08/12/2022] [Accepted: 08/23/2022] [Indexed: 11/17/2022] Open
Abstract
Introduction: Study: International Multicentric Minimally Invasive Liver Resection for Colorectal Liver Metastases (SIMMILR-CRLM) was a propensity score matched (PSM) study that reported short-term outcomes of patients with CRLM who met the Milan criteria and underwent either open (OLR), laparoscopic (LLR) or robotic liver resection (RLR). This study, designated as SIMMILR-2, reports the long-term outcomes from that initial study, now referred to as SIMMILR-1. Methods: Data regarding neoadjuvant chemotherapeutic (NC) and neoadjuvant biological (NB) treatments received were collected, and Kaplan−Meier curves reporting the 5-year overall (OS) and recurrence-free survival (RFS) for OLR, LLR and RLR were created for patients who presented with synchronous lesions only, as there was insufficient follow-up for patients with metachronous lesions. Results: A total of 73% of patients received NC and 38% received NB in the OLR group compared to 70% and 28% in the LLR group, respectively (p = 0.5 and p = 0.08). A total of 82% of patients received NC and 40% received NB in the OLR group compared to 86% and 32% in the RLR group, respectively (p > 0.05). A total of 71% of patients received NC and 53% received NB in the LLR group compared to 71% and 47% in the RLR group, respectively (p > 0.05). OS at 5 years was 34.8% after OLR compared to 37.1% after LLR (p = 0.4), 34.3% after OLR compared to 46.9% after RLR (p = 0.4) and 30.3% after LLR compared to 46.9% after RLR (p = 0.9). RFS at 5 years was 12.1% after OLR compared to 20.7% after LLR (p = 0.6), 33.3% after OLR compared to 26.3% after RLR (p = 0.6) and 22.7% after LLR compared to 34.6% after RLR (p = 0.6). Conclusions: When comparing OLR, LLR and RLR, the OS and RFS were all similar after utilization of the Milan criteria and PSM. Biological agents tended to be utilized more in the OLR group when compared to the LLR group, suggesting that highly aggressive tumors are still managed through an open approach.
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3
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Doykov M, Kostov G, Dimov R. Surgical Management of Liver Metastases from Colorectal Cancer: A Single-Surgeon Preliminary Findings Report. Open Access Maced J Med Sci 2022. [DOI: 10.3889/oamjms.2022.10620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Introduction: Colorectal cancer is a significant medical and social problem. Approximately half of the patients with colorectal carcinoma develop liver metastasis. Most commonly, they are identified during the diagnostic process or the initial surgery. After the diagnostics, only 15% of the cases are referred to receive radical surgery. Liver resection in patients with hepatic metastases is the only way to improve their survival. Objective: To introduce a surgical strategy used for the treatment of colorectal liver metastases. Materials and Methods: The study included 539 patients who underwent surgery for colorectal carcinoma in the Department of Surgery at University Hospital "Kaspela" during the period 2014–2020. This data was collected from the patients' disease history. Results: Of the 539 patients with colorectal carcinoma, 74 (13.7%) were diagnosed with synchronous liver metastases. In 38 (51.3%) of the cases, the metastases were solitary, of which 21 were removed simultaneously and 17 at the follow-up stage. In 8 (10.8%) cases, more than one (2 to 3) solitary metastasis was established near the edges. They were also removed simultaneously. In 6 patients (8.1%), bi-lobar and peripherally localized solitary lesions were found, which were removed instantly and chemotherapy was administered. In 22 (29.7%) of the patients with multiple bi-lobar metastases, only a biopsy was performed, and surgery was carried out only in those affected by chemotherapy. Conclusion: The possibilities of simultaneous and stepwise liver resections were expanded by focusing on individual approach preferences and improving diagnostic methods, liver surgery techniques, and modern chemotherapy. This increased the survival rate of patients with colorectal liver metastases.
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4
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Levy L, Smiley A, Latifi R. Adult and Elderly Risk Factors of Mortality in 23,614 Emergently Admitted Patients with Rectal or Rectosigmoid Junction Malignancy. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19159203. [PMID: 35954556 PMCID: PMC9368534 DOI: 10.3390/ijerph19159203] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 07/24/2022] [Accepted: 07/25/2022] [Indexed: 02/05/2023]
Abstract
Background: Colorectal cancer, among which are malignant neoplasms of the rectum and rectosigmoid junction, is the fourth most common cancer cause of death globally. The goal of this study was to evaluate independent predictors of in-hospital mortality in adult and elderly patients undergoing emergency admission for malignant neoplasm of the rectum and rectosigmoid junction. Methods: Demographic and clinical data were obtained from the National Inpatient Sample (NIS), 2005−2014, to evaluate adult (age 18−64 years) and elderly (65+ years) patients with malignant neoplasm of the rectum and rectosigmoid junction who underwent emergency surgery. A multivariable logistic regression model with backward elimination process was used to identify the association of predictors and in-hospital mortality. Results: A total of 10,918 non-elderly adult and 12,696 elderly patients were included in this study. Their mean (standard deviation (SD)) age was 53 (8.5) and 77.5 (8) years, respectively. The odds ratios (95% confidence interval, P-value) of some of the pertinent risk factors for mortality for operated adults were 1.04 for time to operation (95%CI: 1.02−1.07, p < 0.001), 2.83 for respiratory diseases (95%CI: 2.02−3.98), and 1.93 for cardiac disease (95%CI: 1.39−2.70), among others. Hospital length of stay was a significant risk factor as well for elderly patients—OR: 1.02 (95%CI: 1.01−1.03, p = 0.002). Conclusions: In adult patients who underwent an operation, time to operation, respiratory diseases, and cardiac disease were some of the main risk factors of mortality. In patients who did not undergo a surgical procedure, malignant neoplasm of the rectosigmoid junction, respiratory disease, and fluid and electrolyte disorders were risk factors of mortality. In this patient group, hospital length of stay was only significant for elderly patients.
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Affiliation(s)
- Lior Levy
- School of Medicine, New York Medical College, Valhalla, NY 10595, USA;
| | - Abbas Smiley
- Westchester Medical Center, New York Medical College, Valhalla, NY 10595, USA;
| | - Rifat Latifi
- Department of Surgery, University of Arizona, Tucson, AZ 85721, USA
- Correspondence:
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5
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Larsson AL, Björnsson B, Jung B, Hallböök O, Vernmark K, Berg K, Sandström P. Simultaneous or staged resection of synchronous colorectal cancer liver metastases: a 13-year institutional follow-up. HPB (Oxford) 2022; 24:1091-1099. [PMID: 34953729 DOI: 10.1016/j.hpb.2021.11.019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 11/24/2021] [Accepted: 11/29/2021] [Indexed: 12/12/2022]
Abstract
BACKGROUND This study compared postoperative outcomes and survival rates of patients who underwent simultaneous or staged resection for synchronous colorectal cancer liver metastases. METHODS Between 2005 and 2018, 126 patients were registered prospectively at a university hospital in Sweden, 63 patients who underwent simultaneous resection were matched against 63 patients who underwent staged resection. RESULTS The length of hospital stay was shorter for the simultaneous resection group, at 11 vs 16 days, p = <0.001. Fewer patients experienced recurrence in the simultaneous resection group 39 vs 50 patients, p = 0.012. There were no significant differences in disease-free survival and overall survival between the groups. Age (hazard ratio [HR] 1.72; 95% CI 1.01-2.94; p = 0.049) and Clavien-Dindo score (HR 2.22; 95% CI 1.06-4.67; p = 0.035) had impact on survival. CONCLUSION Colorectal cancer with synchronous liver metastases can be resected simultaneously, and enables a shorter treatment time without jeopardizing oncological outcomes.
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Affiliation(s)
- Anna Lindhoff Larsson
- Department of Surgery in Linköping, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden.
| | - Bergthor Björnsson
- Department of Surgery in Linköping, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Bärbel Jung
- Department of Surgery in Linköping, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Olof Hallböök
- Department of Surgery in Linköping, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Karolina Vernmark
- Departments of Oncology, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Katarina Berg
- Division of Nursing Science and Reproductive Health, Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden
| | - Per Sandström
- Department of Surgery in Linköping, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
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6
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Machairas N, Dorovinis P, Kykalos S, Stamopoulos P, Schizas D, Zoe G, Terra A, Nikiteas N. Simultaneous robotic-assisted resection of colorectal cancer and synchronous liver metastases: a systematic review. J Robot Surg 2021; 15:841-848. [PMID: 33598830 DOI: 10.1007/s11701-021-01213-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 02/06/2021] [Indexed: 12/14/2022]
Abstract
Simultaneous resections of primary colorectal cancer (CRC) and synchronous colorectal liver metastases (CRLM) have emerged as safe and efficient procedures for selected patients. Besides the traditional open approach for simultaneous resections, similar outcomes have been reported for minimally invasive approaches. Over the past years, a number of studies have sought to evaluate the safety and efficacy of simultaneous robotic-assisted resections (SRAR) for patients with synchronous CRC and CRLM. The objective of this systematic review is to evaluate the safety, technical feasibility and outcomes of SRAR of the primary CRC and CRLM. A comprehensive review of the literature was undertaken. Nine studies comprising a total of 29 patients (16 males) who underwent SRAR were considered eligible for inclusion. The primary tumor site was the rectum in 22 (76%) patients and the colon in 7 (24%) patients. A minor liver resection was performed in the majority of the cases (n = 24; 82%). The median operative time and estimated blood loss were 399.5 min (range 300-682) and 274 ml (range 10-780 ml), respectively. No cases of conversion to open were reported. The median LOS was 7 days (range 2-28 days). All patients reportedly underwent R0 resection. Overall and major morbidity rates were 38% and 7%, respectively, while no perioperative deaths were reported. Despite the limited number of studies, SRAR seems to be a safe and efficient minimally invasive approach for highly selected patients always implemented in the context of multidisciplinary patient management.
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Affiliation(s)
- Nikolaos Machairas
- 2nd Department of Propaedeutic Surgery, Nationals and Kapodistrian University of Athens, General Hospital Laiko, Ag. Thoma 17, 11527, Athens, Greece.
| | - Panagiotis Dorovinis
- 2nd Department of Propaedeutic Surgery, Nationals and Kapodistrian University of Athens, General Hospital Laiko, Ag. Thoma 17, 11527, Athens, Greece
| | - Stylianos Kykalos
- 2nd Department of Propaedeutic Surgery, Nationals and Kapodistrian University of Athens, General Hospital Laiko, Ag. Thoma 17, 11527, Athens, Greece
| | - Paraskevas Stamopoulos
- 2nd Department of Propaedeutic Surgery, Nationals and Kapodistrian University of Athens, General Hospital Laiko, Ag. Thoma 17, 11527, Athens, Greece
| | - Dimitrios Schizas
- 1st Department of Surgery, Nationals and Kapodistrian University of Athens, General Hospital Laiko, Athens, Greece
| | - Garoufalia Zoe
- 2nd Department of Propaedeutic Surgery, Nationals and Kapodistrian University of Athens, General Hospital Laiko, Ag. Thoma 17, 11527, Athens, Greece
| | - Alexis Terra
- 2nd Department of Propaedeutic Surgery, Nationals and Kapodistrian University of Athens, General Hospital Laiko, Ag. Thoma 17, 11527, Athens, Greece
| | - Nikolaos Nikiteas
- 2nd Department of Propaedeutic Surgery, Nationals and Kapodistrian University of Athens, General Hospital Laiko, Ag. Thoma 17, 11527, Athens, Greece
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7
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McLoughlin JM, Jensen EH, Malafa M. Resection of Colorectal Liver Metastases: Current Perspectives. Cancer Control 2017; 13:32-41. [PMID: 16508624 DOI: 10.1177/107327480601300105] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND Metastases to the liver is the leading cause of death in patients with colorectal cancer. METHODS The authors review the data on diagnosis and management of this clinical problem, and they discuss management options that can be considered. RESULTS Complete surgical resection of metastases from colorectal cancer that are localized to the liver results in 5-year survival rates ranging from 26% to 40%. CONCLUSIONS By adding modalities such as targeted systemic therapy and other "local" treatments for liver metastases, further gains in survival are anticipated.
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Affiliation(s)
- James M McLoughlin
- Gastrointestinal Tumor Program, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612-9497, USA
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8
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Simultaneous Resection for Synchronous Colorectal Liver Metastasis: the New Standard of Care? J Gastrointest Surg 2017; 21:975-982. [PMID: 28411351 DOI: 10.1007/s11605-017-3422-1] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2017] [Accepted: 04/02/2017] [Indexed: 01/31/2023]
Abstract
BACKGROUND Optimal surgical management for patients with synchronous colorectal cancer liver metastasis is controversial. We provide an analysis of surgical utilization and outcomes for patients presenting with synchronous colon and rectal cancer liver metastasis between simultaneous and staged approaches. METHODS SPARCS database was used to follow patients undergoing surgery for colorectal cancer with liver metastases from 2005 to 2014. Using International Classification of Diseases, Ninth Revision codes, we identified patients undergoing staged and simultaneous resection. Our primary endpoint was major events at 30-day follow-up. RESULTS Of the patients, 1430 underwent surgery for synchronous colorectal primary and liver metastases between 2005 and 2014. There was no difference in adjusted rates of major events or anastomotic leak. Patients undergoing simultaneous resection were significantly less likely to experience prolonged length of stay (OR = 0.28; 95% CI = 0.21-0.37) or high hospital charges (OR = 0.24; 95% CI = 0.17-0.32) compared to staged resection even among patients undergoing total hepatic lobectomy and complex colorectal resection. CONCLUSIONS Simultaneous resection was found to be equally as safe as staged resection even when evaluating patients undergoing more complex operations, and led to lower health care utilization. Under appropriate clinical circumstances, simultaneous resection offers benefits to patients and the health care system and should be the recommended surgical approach.
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9
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Al Bandar MH, Kim NK. Current status and future perspectives on treatment of liver metastasis in colorectal cancer (Review). Oncol Rep 2017; 37:2553-2564. [PMID: 28350137 DOI: 10.3892/or.2017.5531] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2016] [Accepted: 03/13/2017] [Indexed: 12/29/2022] Open
Abstract
Liver metastasis is the most common site of colorectal cancer (CRC) metastasis. Approximately half of all colorectal cancer patients will develop liver metastases. Although radical surgery is the standard treatment modality, only 10-20% of patients are deemed eligible for resection. Despite advances in survival with chemotherapy, surgical resection is still considered the only curative option for patients with liver metastases. Much effort has been expended to address patients with metastatic liver disease. The majority of evidence stated a significant survival benefit with surgical resection to reach an overall 5-year survival rate of 35-55% after hepatic resection. However, still majority of patients will experience disease recurrence even after a successful resection. In this review, we describe current status and controversies related to treatment options for CRC liver metastases and its potential for enhancing oncologic outcomes and improving quality of life.
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Affiliation(s)
- Mahdi Hussain Al Bandar
- Department of Surgery, Yonsei University, College of Medicine, Seoul 120-752, Republic of Korea
| | - Nam Kyu Kim
- Department of Surgery, Yonsei University, College of Medicine, Seoul 120-752, Republic of Korea
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10
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Lee SH, Yoo JJ, Park SD, Ahn BK, Baek SU. Simultaneous Laparoscopy-Assisted Resection for Colorectal Cancer and Metastases. KOSIN MEDICAL JOURNAL 2015. [DOI: 10.7180/kmj.2015.30.1.73] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
With advancement of minimal invasive surgery, a simultaneous laparoscopy-assisted resection for colorectal cancer and metastasis has become feasible. Hence, we report three cases of simultaneous laparoscopic surgery for colorectal cancer with liver or lung metastasis. In the first case, laparoscopic right hemicolectomy and left lateral segmentectomy of liver was performed for ascending colon cancer and liver metastasis. In the second case, laparoscopic right hemicolectomy and wedge resection of right lower lung was performed for cecal cancer and lung metastasis. In the third case, laparoscopic right hemicolectomy and wedge resection of left lower lung was performed for ascending colon cancer and lung metastasis. In the first two cases, patients quickly returned to normal activity. In the third case, postoperative bleeding was observed, but spontaneously stopped. There was no postoperative mortality. Simultaneous laparoscopic surgery represents a feasible option for colorectal cancer with metastases on the other organs.
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11
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Fontana R, Herman P, Hermam P, Pugliese V, Perini MV, Coelho FF, Velho FF, Cecconello I. Surgical outcomes and prognostic factors in patients with synchronous colorectal liver metastases. ARQUIVOS DE GASTROENTEROLOGIA 2014; 51:4-9. [PMID: 24760056 DOI: 10.1590/s0004-28032014000100002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2013] [Accepted: 10/25/2013] [Indexed: 02/06/2023]
Abstract
CONTEXT Colorectal cancer is the second most prevalent cancer worldwide, and the liver is the most common site of metastases. Surgical resection of colorectal liver metastases provides the sole possibility of cure and the best odds of long-term survival. Objectives To describe surgical outcomes and identify features associated with disease prognosis in patients submitted to synchronous colorectal cancer liver metastasis resection. METHODS Retrospective study of 59 patients who underwent surgery for synchronous colorectal cancer liver metastasis. Actuarial survival and disease-free survival were assessed, depending on the prognostic variable of interest. RESULTS Postoperative mortality and morbidity rates were 3.38% and 30.50% respectively. Five-year disease-free survival was estimated at 23.96%, and 5-year overall survival, at 38.45%. Carcinoembryonic antigen levels ≥ 50 ng/mL and presence of three or more liver metastasis were limiting factors for disease-free survival, but did not affect late survival. No patient with liver metastases and extrahepatic disease had disease-free interval longer than 20 months, but this had no significance or impact on long-term survival. None of the prognostic factors assessed had an impact on late survival, although no patients with more than three liver metastases survived beyond 40 months. CONCLUSIONS Although Carcinoembryonic antigen levels and number of metastases are prognostic factors that limit disease-free survival, they had no impact on 5-year survival and, therefore, should not determine exclusion from surgical treatment. Resection is the best treatment option for synchronous colorectal liver metastases, and even for patients with multiple metastases, large tumors and extrahepatic disease, it can provide long-term survival rates over 38%.
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Affiliation(s)
- Rafael Fontana
- Universidade de Caxias do Sul, Faculdade de Medicina, Caxias do Sul, RS, Brasil
| | | | - Paulo Hermam
- Universidade de São Paulo, Faculdade de Medicina, Departmento de Gastroenterologia, São Paulo, SP, Brasil
| | - Vincenzo Pugliese
- Universidade de São Paulo, Faculdade de Medicina, Departmento de Gastroenterologia, São Paulo, SP, Brasil
| | - Marcos Vinicius Perini
- Universidade de São Paulo, Faculdade de Medicina, Departmento de Gastroenterologia, São Paulo, SP, Brasil
| | | | - Fabricio Ferreira Velho
- Universidade de São Paulo, Faculdade de Medicina, Departmento de Gastroenterologia, São Paulo, SP, Brasil
| | - Ivan Cecconello
- Universidade de São Paulo, Faculdade de Medicina, Departmento de Gastroenterologia, São Paulo, SP, Brasil
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12
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Jung KU, Kim HC, Cho YB, Kwon CHD, Yun SH, Heo JS, Lee WY, Chun HK. Outcomes of Simultaneous Laparoscopic Colorectal and Hepatic Resection for Patients with Colorectal Cancers: A Comparative Study. J Laparoendosc Adv Surg Tech A 2014; 24:229-35. [DOI: 10.1089/lap.2013.0475] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Affiliation(s)
- Kyung Uk Jung
- Department of Surgery, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Hee Cheol Kim
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Yong Beom Cho
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Choon Hyuck David Kwon
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Seong Hyeon Yun
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Jin Seok Heo
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Woo Yong Lee
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Ho-Kyung Chun
- Department of Surgery, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
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13
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Hamed OH, Bhayani NH, Ortenzi G, Kaifi JT, Kimchi ET, Staveley-O'Carroll KF, Gusani NJ. Simultaneous colorectal and hepatic procedures for colorectal cancer result in increased morbidity but equivalent mortality compared with colorectal or hepatic procedures alone: outcomes from the National Surgical Quality Improvement Program. HPB (Oxford) 2013; 15:695-702. [PMID: 23458152 PMCID: PMC3948537 DOI: 10.1111/hpb.12031] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2012] [Accepted: 11/12/2012] [Indexed: 12/12/2022]
Abstract
BACKGROUND Simultaneous colorectal and hepatic surgery for colorectal cancer (CRC) is increasing as surgery becomes safer and less invasive. There is controversy regarding the morbidity associated with simultaneous, compared with separate or staged, resections. METHODS Data for 2005-2008 from the National Surgical Quality Improvement Program (NSQIP) were used to compare morbidity after 19,925 colorectal procedures for CRC (CR group), 2295 hepatic resections for metastatic CRC (HEP group), and 314 simultaneous colorectal and hepatic resections (SIM group). RESULTS An increasing number of simultaneous resections were performed per year. Fewer major colorectal and liver resections were performed in the SIM than in the CR and HEP groups. Patients in the SIM group had a longer operative time and postoperative length of stay compared with those in either the CR or HEP groups. Simultaneous procedures resulted in higher rates of postoperative morbidity and major morbidity than CR procedures, but not HEP procedures. This difference was driven by higher rates of wound and organ space infections, and a greater incidence of septic shock. Mortality rates did not differ among the groups. CONCLUSIONS Hospitals in the NSQIP are performing more simultaneous colonic and hepatic resections for CRC. These procedures are associated with increases in operative time, length of stay and rate of perioperative complications. Simultaneous procedures do not, however, increase perioperative mortality.
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Affiliation(s)
| | | | | | | | | | | | - Niraj J Gusani
- Correspondence Niraj J. Gusani, Program for Liver, Pancreas and Foregut Tumors, Section of Surgical Oncology, Department of Surgery, Penn State College of Medicine, 500 University Drive, Mail Code H070, PO Box 850, Hershey, PA 17033-0850, USA. Tel: + 1 717 531 5965. Fax: + 1 717 531 3649. E-mail:
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14
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Huang CJ, Teng HW, Chien CC, Lin JK, Yang SH. Prognostic significance of C-reactive protein polymorphism and KRAS/BRAF in synchronous liver metastasis from colorectal cancer. PLoS One 2013; 8:e65117. [PMID: 23755178 PMCID: PMC3670930 DOI: 10.1371/journal.pone.0065117] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2012] [Accepted: 04/22/2013] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND The liver is the most common target organ in the metastasis of colorectal cancer (CRC). Synchronous liver metastases may confer a poorer prognosis than metachronous metastases, and genetic alterations and an inflammatory response have also been associated with a poor prognosis in cases of a liver metastasis arising from CRC. However, few studies have examined the relationship between KRAS mutations and inflammatory status in CRC, especially with respect to liver metastases. METHODS The effect of the activated mitogen-activated protein kinase pathway and another protein involved in inflammation, C-reactive protein, in liver metastases were examined. We aimed to determine the impact of the CRP-specific single nucleotide polymorphism (SNP) rs7553007 in liver metastasis on the CRC-specific survival (CSS) of patients after colorectal liver metastasectomy. RESULTS We found no significant differences in genotype distributions and allele frequencies at the CRP SNP rs7553007 between CRC patients with liver metastasis and the control group. CSS rates were low in the subgroup of patients with synchronous metastasis with the A-allele (A/A and A/G) at rs7553007 or mutated KRAS/BRAF in liver metastatic specimens. Furthermore, the CRP SNP rs7553007 (hazard ratio [HR] = 1.101; 95% confidence interval [CI] = 1.011-1.200; P = 0.027) and KRAS/BRAF mutations (HR = 2.377; 95% CI = 1.293-4.368; P = 0.005) remained predictive for the CSS of CRC patients with synchronous liver metastasis in multivariate analysis. CONCLUSIONS Both the CRP SNP rs7553007 and KRAS/BRAF mutations were independent prognostic factors for CRC patients with synchronous liver metastasis.
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Affiliation(s)
- Chi-Jung Huang
- Department of Medical Research, Cathay General Hospital, Taipei, Taiwan
- School of Medicine, Fu Jen Catholic University, New Taipei, Taiwan
- Department of Biochemistry, National Defense Medical Center, Taipei, Taiwan
| | - Hao-Wei Teng
- Division of Hematology and Oncology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
- Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan
- School of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Chih-Cheng Chien
- Department of Medical Research, Cathay General Hospital, Taipei, Taiwan
- School of Medicine, Fu Jen Catholic University, New Taipei, Taiwan
- Department of Anesthesiology, Sijhih Cathay General Hospital, New Taipei, Taiwan
| | - Jen-Kou Lin
- School of Medicine, National Yang-Ming University, Taipei, Taiwan
- Department of Surgery, Taipei-Veterans General Hospital, Taipei, Taiwan
| | - Shung-Haur Yang
- School of Medicine, National Yang-Ming University, Taipei, Taiwan
- Department of Surgery, Taipei-Veterans General Hospital, Taipei, Taiwan
- * E-mail:
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Yin Z, Liu C, Chen Y, Bai Y, Shang C, Yin R, Yin D, Wang J. Timing of hepatectomy in resectable synchronous colorectal liver metastases (SCRLM): Simultaneous or delayed? Hepatology 2013; 57:2346-57. [PMID: 23359206 DOI: 10.1002/hep.26283] [Citation(s) in RCA: 84] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2012] [Accepted: 01/06/2013] [Indexed: 12/18/2022]
Abstract
UNLABELLED The optimal surgical strategy for treatment of patients with synchronous colorectal liver metastases (SCLRM) remains controversial. We conducted a systematic review and meta-analysis of all observational studies to define the safety and efficacy of simultaneous versus delayed resection of the colon and liver. A search for all major databases and relevant journals from inception to April 2012 without restriction on languages or regions was performed. Outcome measures were the primary parameters of postoperative survival, complication, and mortality, as well as other parameters of blood loss, operative time, and length of hospitalization. The test of heterogeneity was performed with the Q statistic. A total of 2,880 patients were included in the meta-analysis. Long-term oncological pooled estimates of overall survival (hazard ratio [HR]: 0.96; 95% confidence interval [CI]: 0.81-1.14; P = 0.64; I(2) = 0) and recurrence-free survival (HR: 1.04; 95% CI: 0.76-1.43; P = 0.79; I(2) = 53%) all showed similar outcomes for both simultaneous and delayed resections. A lower incidence of postoperative complication was attributed to the simultaneous group as opposed to that in the delayed group (modified relative ratio [RR] = 0.77; 95% CI: 0.67-0.89; P = 0.0002; I(2) = 10%), whereas in terms of mortality within the postoperative 60 days no statistical difference was detected (RR = 1.12; 95% CI: 0.61-2.08; P = 0.71; I(2) = 32%). Finally, selection criteria were recommended for SCRLM patients suitable for a simultaneous resection. CONCLUSION Simultaneous resection is as efficient as a delayed procedure for long-term survival. There is evidence that in SCRLM patients simultaneous resection is an acceptable and safe option with carefully selected conditions. Due to the inherent limitations of the present study, future randomized controlled trials will be useful to confirm this conclusion. (HEPATOLOGY 2013;57:2346-2357).
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Affiliation(s)
- Zi Yin
- General Surgery Department of Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
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Niu GC, Shen CM, Cui W, Li Q. Hepatic Resection is Safe for Metachronous Hepatic Metastases from Ovarian Cancer. Cancer Biol Med 2013; 9:182-7. [PMID: 23691476 PMCID: PMC3643668 DOI: 10.7497/j.issn.2095-3941.2012.03.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2012] [Accepted: 08/07/2012] [Indexed: 01/03/2023] Open
Abstract
OBJECTIVE To explore the efficacy of hepatic resection (HR) in a relatively unselected group of patients with ovarian cancer liver metastases (OCLM). METHODS A study was conducted between September 2000 and September 2011 on 60 ovarian cancer patients with hepatic metastases (24 solitary and 36 multiple), 40 of whom had extrahepatic metastases. HR was done in all patients provided that curative hepatic resection was feasible, and extrahepatic disease was controlled with medical and/or surgical therapy. RESULTS Most patients (n=54; 90.0%) had a negative hepatic margin (R0), whereas 6 patients (10.0%) had microscopic disease at the margin (R1). The prognostic value of each study variable was assessed using log rank tests for univariate analysis and Cox proportional hazard models for multivariate analysis. The result was a median survival of 39 months and 5-year overall survival rate of 30%. Univariate analysis showed that surgery result (P=0.001), disease free interval (P=0.018) and the number of hepatic lesions (P=0.018) were significantly related to survival. Furthermore, the surgery result (P=0.004) remained significant for prognosis in multivariate analysis. CONCLUSIONS For patients with OCLM, HR is safe and may provide a significant survival benefit compared with medical therapy alone. A long interval time, the number of hepatic lesions, and surgery results are key prognostic factors. Favorable outcomes can be achieved even in patients with medically controlled or surgically resectable extrahepatic disease, indicating that surgery should be considered more frequently in the multidisciplinary care of patients with OCLM.
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Affiliation(s)
- Guang-Cai Niu
- Department of Hepatobiliary Surgery, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060, China
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18
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Qureshi MS, Goldsmith PJ, Maslekar S, Prasad KR, Botterill ID. Synchronous resection of colorectal cancer and liver metastases: comparative views of colorectal and liver surgeons. Colorectal Dis 2012; 14:e477-85. [PMID: 22340783 DOI: 10.1111/j.1463-1318.2012.02992.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
AIM The optimal management of patients presenting with colorectal cancer and synchronous liver metastases is controversial. This survey was intended to summarize the opinions of UK colorectal and liver surgeons on the specific issues pertaining to synchronous resection. METHOD A validated electronic survey was sent to the consultant members of the Association of Coloproctology of Great Britain and Ireland (ACPGBI) and the Association of Upper Gastrointestinal Surgeons (AUGIS). The questions were structured to allow direct comparison between the two groups of the responses obtained. RESULTS Four hundred and twenty-four specialist colorectal surgeons and 52 specialist hepatobiliary surgeons were identified from the register of their respective associations. Responses were obtained from 133 (31%) colorectal and 22 (42%) liver surgeons. A majority of both groups of surgeons felt that synchronous resection was a valid therapeutic option. A majority of both groups believed that synchronous resection was justified despite the options of laparoscopic surgery and enhanced recovery programmes for each discipline. Agreed possible advantages of synchronous resections were: a decrease in the overall length of hospital stay, cost and patient anxiety. The major concern about synchronous resections was an excessive overall physiological insult. Specific scenarios indicated that synchronous resection was favoured for major/complex major colorectal resection with minor liver resection or most colorectal resections not involving an anastomosis with either a minor or major liver resection. CONCLUSION Although significant concerns relating to synchronous resection remain amongst colorectal and liver surgeons, a majority of them felt that synchronous resections could be offered to appropriately selected patients.
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Affiliation(s)
- M S Qureshi
- The John Goligher Colorectal Unit, Leeds General Infirmary, Leeds, UK
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Wang J, Yu Q. Analysis of prognostic factors in patients with colorectal cancer with liver metastases. Shijie Huaren Xiaohua Zazhi 2012; 20:1690-1693. [DOI: 10.11569/wcjd.v20.i18.1690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To explore prognostic factors in patients with colorectal cancer with liver metastases.
METHODS: The survival and prognostic factors in 138 patients with liver metastases from colorectal cancer, who had complete follow-up data, were retrospectively assessed by Kaplan-Meier analysis and multivariate regression analysis.
RESULTS: The median survival time of the 138 patients was 18.3 months. Univariate analysis demonstrated that age (P = 0.460), primary tumor site (P = 0.568), primary tumor size (P = 0.250), and histological grade of primary tumor (P = 0.589) had no significant correlation with the overall survival. However, gender (P = 0.048), pretreatment serum CEA level (P = 0.023), number (P = 0.000) and size (P = 0.001) of liver metastases, lymphatic invasion (P = 0.001), and resection of liver metastases (P = 0.002) were all independently related with the prognosis of patients. Multivariate regression analysis showed that pretreatment serum CEA level (P = 0.028), number (P = 0.001) and size (P = 0.001) of liver metastases, lymphatic invasion (P = 0.049), and resection of liver metastases (P = 0.003) were key factors affecting the prognosis of patients with liver metastases from colorectal cancer.
CONCLUSION: Pretreatment serum CEA level, number and size of liver metastases, lymphatic invasion, and resection of liver metastases are independent prognostic factors for colorectal cancer with liver metastases.
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20
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Cai GX, Cai SJ. Multi-modality treatment of colorectal liver metastases. World J Gastroenterol 2012; 18:16-24. [PMID: 22228966 PMCID: PMC3251801 DOI: 10.3748/wjg.v18.i1.16] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2011] [Revised: 06/09/2011] [Accepted: 06/16/2011] [Indexed: 02/06/2023] Open
Abstract
Liver metastases synchronously or metachronously occur in approximately 50% of colorectal cancer patients. Multimodality comprehensive treatment is the best therapeutic strategy for these patients. However, the optimal pattern of multimodality therapy is still controversial, and it raises several significant concerns. Liver resection is the most important treatment for colorectal liver metastases. The definition of resectability has shifted to focus on the completion of R0 resection and normal liver function maintenance. The role of neoadjuvant and adjuvant chemotherapy still needs to be clarified. The management of either progression or complete remission during neoadjuvant chemotherapy is challenging. The optimal sequencing of surgery and chemotherapy in synchronous colorectal liver metastases patients is still unclear. Conversional chemotherapy, portal vein embolization, two-stage resection, and tumor ablation are effective approaches to improve resectability for initially unresectable patients. Several technical issues and concerns related to these methods need to be further explored. For patients with definitely unresectable liver disease, the necessity of resecting the primary tumor is still debatable, and evaluating and predicting the efficacy of targeted therapy deserve further investigation. This review discusses different patterns and important concerns of multidisciplinary treatment of colorectal liver metastases.
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Nakajima K, Takahashi S, Saito N, Kotaka M, Konishi M, Gotohda N, Kato Y, Kinoshita T. Predictive factors for anastomotic leakage after simultaneous resection of synchronous colorectal liver metastasis. J Gastrointest Surg 2012; 16:821-7. [PMID: 22125170 PMCID: PMC3307994 DOI: 10.1007/s11605-011-1782-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2011] [Accepted: 11/11/2011] [Indexed: 01/31/2023]
Abstract
BACKGROUND The optimal surgical strategy for resectable, synchronous, colorectal liver metastases remains unclear. The objective of this study was to determine which patients could benefit from staged resections instead of simultaneous resection by identifying predictive factors for postoperative morbidity and anastomotic leakage after simultaneous resection of synchronous, colorectal liver metastases and the primary colorectal tumor. METHODS This study involved 86 patients with synchronous colorectal liver metastases who underwent simultaneous resection of the primary colorectal tumor and the hepatic tumor. Postoperative mortality, morbidity, and other surgical outcomes, including survival and hospitalization, were assessed. Predictive factors for postoperative morbidity and for anastomotic leakage were evaluated. RESULTS Postoperative morbidity and anastomotic leakage were found in 55 (64%) and 18 (21%) patients. Predictive factors for postoperative morbidity and for anastomotic leakage were intraoperative blood loss and operation time >8 h, respectively. The overall 5-year survival rate was 45%. CONCLUSIONS The frequency of morbidity and that of anastomotic leakage seemed to be high after simultaneous resection for synchronous colorectal liver metastases, especially when intraoperative blood loss or operation time increased greatly. Staged resections should be considered in cases in which excessive surgical stress from simultaneous resection of synchronous colorectal liver metastases would be expected.
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Affiliation(s)
- Kentaro Nakajima
- Department of Colorectal Surgery, National Cancer Center Hospital East, Kashiwa, Chiba Japan
| | - Shinichiro Takahashi
- Department of Hepato-biliary Pancreatic Surgery, National Cancer Center Hospital East, 6-5-1 Kashiwanoha, Kashiwa, 277-8577 Chiba Japan
| | - Norio Saito
- Department of Colorectal Surgery, National Cancer Center Hospital East, Kashiwa, Chiba Japan
| | | | - Masaru Konishi
- Department of Hepato-biliary Pancreatic Surgery, National Cancer Center Hospital East, 6-5-1 Kashiwanoha, Kashiwa, 277-8577 Chiba Japan
| | - Naoto Gotohda
- Department of Hepato-biliary Pancreatic Surgery, National Cancer Center Hospital East, 6-5-1 Kashiwanoha, Kashiwa, 277-8577 Chiba Japan
| | - Yuichiro Kato
- Department of Hepato-biliary Pancreatic Surgery, National Cancer Center Hospital East, 6-5-1 Kashiwanoha, Kashiwa, 277-8577 Chiba Japan
| | - Taira Kinoshita
- Department of Hepato-biliary Pancreatic Surgery, National Cancer Center Hospital East, 6-5-1 Kashiwanoha, Kashiwa, 277-8577 Chiba Japan
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de Jong MC, van Dam RM, Maas M, Bemelmans MHA, Olde Damink SWM, Beets GL, Dejong CHC. The liver-first approach for synchronous colorectal liver metastasis: a 5-year single-centre experience. HPB (Oxford) 2011; 13:745-52. [PMID: 21929676 PMCID: PMC3210977 DOI: 10.1111/j.1477-2574.2011.00372.x] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND For patients who present with synchronous colorectal carcinoma and colorectal liver metastasis (CRLM), a reversed treatment sequence in which the CRLM are resected before the primary carcinoma has been proposed (liver-first approach). The aim of the present study was to assess the feasibility and outcome of this approach for synchronous CRLM. METHODS Between 2005 and 2010, 22 patients were planned to undergo the liver-first approach. Feasibility and outcomes were prospectively evaluated. RESULTS Of the 22 patients planned to undergo the liver-first strategy, the approach was completed in 18 patients (81.8%). The main reason for treatment failure was disease progression. Patients who completed treatment and patients who deviated from the protocol had a similar location of the primary tumour, as well as comparable size, number and distribution of CRLM (all P > 0.05). Post-operative morbidity and mortality were 27.3% and 0% following liver resection and 44.4% and 5.6% after colorectal surgery, respectively. On an intention-to-treat-basis, overall 3-year survival was 41.1%. However, 37.5% of patients who completed the treatment had developed recurrent disease at the time of the last follow-up. CONCLUSIONS The liver-first approach is feasible in approximately four-fifths of patients and can be performed with peri-operative mortality and morbidity similar to the traditional treatment paradigm. Patients treated with this novel strategy derive a considerable overall-survival-benefit, although disease-recurrence-rates remain relatively high, necessitating a multidisciplinary approach.
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Affiliation(s)
- Mechteld C de Jong
- Department of Surgery, Maastricht University Medical CentreMaastricht, the Netherlands,NUTRIM – School for Nutrition, Toxicology and Metabolism, Maastricht UniversityMaastricht, the Netherlands
| | - Ronald M van Dam
- Department of Surgery, Maastricht University Medical CentreMaastricht, the Netherlands
| | - Monique Maas
- Department of Surgery, Maastricht University Medical CentreMaastricht, the Netherlands,Department of Radiology, Maastricht University Medical CentreMaastricht, the Netherlands
| | - Marc HA Bemelmans
- Department of Surgery, Maastricht University Medical CentreMaastricht, the Netherlands
| | - Steven WM Olde Damink
- Department of Surgery, Maastricht University Medical CentreMaastricht, the Netherlands
| | - Geerard L Beets
- Department of Surgery, Maastricht University Medical CentreMaastricht, the Netherlands
| | - Cornelis HC Dejong
- Department of Surgery, Maastricht University Medical CentreMaastricht, the Netherlands,NUTRIM – School for Nutrition, Toxicology and Metabolism, Maastricht UniversityMaastricht, the Netherlands
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Misiakos EP, Karidis NP, Kouraklis G. Current treatment for colorectal liver metastases. World J Gastroenterol 2011; 17:4067-75. [PMID: 22039320 PMCID: PMC3203357 DOI: 10.3748/wjg.v17.i36.4067] [Citation(s) in RCA: 111] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2010] [Revised: 11/30/2010] [Accepted: 12/07/2010] [Indexed: 02/06/2023] Open
Abstract
Surgical resection offers the best opportunity for survival in patients with colorectal cancer metastatic to the liver, with five-year survival rates up to 58% in selected cases. However, only a minority are resectable at the time of diagnosis. Continuous research in this field aims at increasing the percentage of patients eligible for resection, refining the indications and contraindications for surgery, and improving overall survival. The use of surgical innovations, such as staged resection, portal vein embolization, and repeat resection has allowed higher resection rates in patients with bilobar disease. The use of neoadjuvant chemotherapy allows up to 38% of patients previously considered unresectable to be significantly downstaged and eligible for hepatic resection. Ablative techniques have gained wide acceptance as an adjunct to surgical resection and in the management of patients who are not surgical candidates. Current management of colorectal liver metastases requires a multidisciplinary approach, which should be individualized in each case.
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Treatment outcome of patients with liver-only metastases from breast cancer after mastectomy: a retrospective analysis. J Cancer Res Clin Oncol 2011; 137:1363-70. [DOI: 10.1007/s00432-011-1008-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2011] [Accepted: 07/13/2011] [Indexed: 01/08/2023]
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Tonelli F, Leo F, Nobili S, Mini E, Batignani G. Prognostic factors in primary and iterative surgery of colorectal liver metastases. J Chemother 2011; 22:358-63. [PMID: 21123161 DOI: 10.1179/joc.2010.22.5.358] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
The aim of this study was to evaluate the results of surgery of colorectal liver metastases and assess prognostic factors influencing the outcome. A total of 135 hepatic resections performed in 107 patients was reviewed. The following prognostic factors were analyzed: primary tumor localization, Dukes stage, number and presence of metastases in one or two lobes, synchronous or metachronous occurrence, type of resection, use and modality of chemotherapy. The perioperative morbidity rate was 6.5% and mortality was 1.9%. Overall survival was 41.2% and disease-free survival 31.5% at 5 years. Survival at 5 years was better for patients with metachronous than for those with synchronous lesions (60.9% vs 28.1%; p<0.05). There were no significant differences in terms of long-term survival between patients with synchronous metastases that were excised simultaneously or with a delay of 3-6 months (p=n.s.). Site of the primary tumor, Dukes stage, number of metastases and type of resection did not influence survival. A favorable survival trend was observed in those patients who underwent both neoadjuvant and adjuvant chemotherapy. The overall survival rate at 5 years was 45.3% for patients undergoing a second hepatic resection and 50% for those with a third or a fourth hepatic resection. Liver resection remains the "gold standard" for the treatment of patients with colorectal liver metastases, with metachronous type having a better outcome than synchronous. Simultaneous or delayed surgery for synchronous metastases does not influence prognosis. Iterative resection is very encouraging and justifies an aggressive surgical approach.
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Affiliation(s)
- F Tonelli
- Department of Clinical Physiopathology, University of Florence, Italy.
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Simultaneous vs. staged resection for synchronous colorectal liver metastases: a metaanalysis. Int J Colorectal Dis 2011; 26:191-9. [PMID: 20669024 DOI: 10.1007/s00384-010-1018-2] [Citation(s) in RCA: 73] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/14/2010] [Indexed: 02/04/2023]
Abstract
PURPOSE The optimal timing of surgical resection for synchronous colorectal liver metastases (SCLMs) remains controversial. The aim of this metaanalysis was to compare outcomes between simultaneous resection and staged resection from all published comparative studies in the literature. MATERIALS AND METHODS Databases, including PubMed, Embase, Cochrane Library, Ovid, and Web of Science, were searched to identify studies comparing outcomes following simultaneous resection with staged resection for SCLM. The metaanalysis was performed by RevMan 4.2. RESULTS Fourteen comparative studies comprising 2,204 patients were identified. Patients undergoing simultaneous resection were found to have similar operative time (weighted mean difference [WMD], -34.19; 95% confidence interval [CI], -81.32-12.95, P = .16) and intraoperative blood loss (WMD, -161.33; 95% CI, -351.45-28.79, P = .10). Shorter hospital stay (WMD, -4.77; 95% CI, -7.26-2.28, P < .01) and lower morbidity rate (odds ratio [OR], 0.71; 95% CI, 0.57-0.88, P = .002) were observed in simultaneous resection group. The survival rate in the simultaneous resection group did not statistically differ with that in the staged resection group at 1 year (OR, 0.77; 95% CI, 0.51-1.16, P = .21), 3 years (OR, 1.12; 95% CI, 0.85-1.47, P = .43), and 5 years (OR, 1.14; 95% CI, 0.86-1.50, P = .37) postresection, respectively. CONCLUSIONS Simultaneous resection is safe and efficient in the treatment of patients with SCLM while avoiding a second major operation. In appropriately selected patients, simultaneous resection might be considered as the preferred treatment. Since heterogeneity was detected, caution is needed in interpretation of the results. Better designed, adequately powered studies are required for addressing this issue.
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Sakamoto Y, Fujita S, Akasu T, Nara S, Esaki M, Shimada K, Yamamoto S, Moriya Y, Kosuge T. Is surgical resection justified for stage IV colorectal cancer patients having bilobar hepatic metastases?--an analysis of survival of 77 patients undergoing hepatectomy. J Surg Oncol 2011; 102:784-8. [PMID: 20872814 DOI: 10.1002/jso.21721] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
BACKGROUND Surgical indication for stage IV colorectal cancer patients with bilobar hepatic metastases may be controversial. METHODS Retrospective cohort analysis was performed using data of 200 patients who underwent surgical resections for synchronous metastases of colorectal cancer between 1990 and 2005. Of these, 80 patients had solitary, 43 had unilobar multiple, and 77 had bilobar metastases. Prognostic factors of the 77 bilobar metastases were evaluated using multivariate analysis. The survival was compared with that of 95 patients undergoing chemotherapy for unresectable bilobar hepatic metastases. RESULTS Univariate and multivariate analyses revealed that the number of metastasis (≥6) [relative risk (RR), 2.7; P = 0.002] and depth of invasion (T4) (RR, 2.0; P = 0.04) were predictors of survival of the 77 patients. The survival of 11 T4 cancer patients with six or more metastases was poor, but significantly better than that of 95 patients with unresectable bilobar metastases (P = 0.04). CONCLUSION Surgical resection in stage IV colorectal cancer patients having bilobar hepatic metastases was justified in the present setting.
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Affiliation(s)
- Yoshihiro Sakamoto
- Hepatobiliary and Pancreatic Surgery Division, National Cancer Center Hospital, Tokyo, Japan.
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Simultaneous liver and colorectal resections are safe for synchronous colorectal liver metastases. J Gastrointest Surg 2010; 14:1974-80. [PMID: 20676791 DOI: 10.1007/s11605-010-1284-x] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2010] [Accepted: 06/30/2010] [Indexed: 02/08/2023]
Abstract
BACKGROUND Hepatic resection (HR) is the only option offering a potential cure for patients with synchronous colorectal cancer liver metastases (SCRLM). The optimal timing of HR for SCRLM is still controversial. This study aimed to determine whether simultaneous HR is similar to staged resection regarding the morbidity and mortality rates in patients with SCRLM. METHODS Four hundred and five consecutive patients with SCRLM were treated with either simultaneous (n = 129) or staged (n = 276) HR. The postoperative complications were analyzed retrospectively according to the documented records and hepatectomy databases at the Gastrointestinal Institute. RESULTS Perioperative morbidity and mortality did not differ between simultaneous resections and staged resections for selected patients with SCRLM (morbidity, 47.3% versus 54.3%; mortality, 1.5% versus 2.0%, respectively; both p > 0.05). Simultaneous liver resections of three or more segments would not increase the rate of complications compared to staged resections (56.8% and 42.4%, respectively; p = 0.119). Meanwhile, patients with simultaneous resections experienced shorter duration of surgery and postoperative hospitalization time as well as less blood loss during surgery (all p < 0.05). CONCLUSIONS Simultaneous resections of colorectal cancer primary lesions and hepatic metastases were safe and could serve as a primary option for selected SCRLM patients.
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Luo Y, Wang L, Chen C, Chen D, Huang M, Huang Y, Peng J, Lan P, Cui J, Cai S, Wang J. Simultaneous liver and colorectal resections are safe for synchronous colorectal liver metastases. J Gastrointest Surg 2010. [PMID: 20676791 DOI: 10.1007/s11605.010-1284-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
Abstract
BACKGROUND Hepatic resection (HR) is the only option offering a potential cure for patients with synchronous colorectal cancer liver metastases (SCRLM). The optimal timing of HR for SCRLM is still controversial. This study aimed to determine whether simultaneous HR is similar to staged resection regarding the morbidity and mortality rates in patients with SCRLM. METHODS Four hundred and five consecutive patients with SCRLM were treated with either simultaneous (n = 129) or staged (n = 276) HR. The postoperative complications were analyzed retrospectively according to the documented records and hepatectomy databases at the Gastrointestinal Institute. RESULTS Perioperative morbidity and mortality did not differ between simultaneous resections and staged resections for selected patients with SCRLM (morbidity, 47.3% versus 54.3%; mortality, 1.5% versus 2.0%, respectively; both p > 0.05). Simultaneous liver resections of three or more segments would not increase the rate of complications compared to staged resections (56.8% and 42.4%, respectively; p = 0.119). Meanwhile, patients with simultaneous resections experienced shorter duration of surgery and postoperative hospitalization time as well as less blood loss during surgery (all p < 0.05). CONCLUSIONS Simultaneous resections of colorectal cancer primary lesions and hepatic metastases were safe and could serve as a primary option for selected SCRLM patients.
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Affiliation(s)
- Yanxin Luo
- Department of Colorectal Surgery, Gastrointestinal Institute, The Sixth Affiliated Hospital, Sun Yat-Sen University, 26 Yuancunerheng Rd, Guangzhou, 510655, People's Republic of China
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Association between age and synchronous liver metastasis in female colorectal cancer patients. J Cancer Res Clin Oncol 2010; 137:959-64. [PMID: 21120666 DOI: 10.1007/s00432-010-0962-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2010] [Accepted: 11/16/2010] [Indexed: 12/31/2022]
Abstract
PURPOSE The purpose of this study is to investigate the relationship between age and synchronous liver metastasis in female colorectal cancer patients. METHOD Clinical and pathological data from 655 consecutive female patients who were treated in Qilu Hospital from January 2000 to January 2010 were reviewed. First, the patients were divided into two groups: 60 years or younger and 61 years or older. A chi-square test was adopted to analyse the difference in clinicopathological characteristics between the two groups. Then, they were classified into two groups according to liver metastasis. Univariate analysis and logistic multivariate regression analysis were adopted to discriminate risk factors of liver metastasis. RESULTS The chi-square test demonstrated that significant difference existed between the younger and the older groups in terms of liver metastasis (P < 0.001), lymph node metastasis (P < 0.001), tumour localization (P < 0.001), tumour invasion depth (P < 0.001), type of tumour (P < 0.001), tumour cell differentiation (P < 0.001) and venous invasion (P < 0.001). Univariate analysis demonstrated that seven factors are associated with liver metastasis. Logistic regression analysis indicated that age (P = 0.005), tumour size (P < 0.001), tumour invasion depth (P = 0.001), tumour cell differentiation (P = 0.029) and type of tumour (P < 0.001) are independent risk factors of liver metastasis. CONCLUSIONS The liver metastatic potential of colorectal cancer may be different between younger and older female patients. Age may independently influence liver metastasis in female colorectal cancer patients.
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Tan EK, Ooi LLPJ. Colorectal Cancer Liver Metastases – Understanding the Differences in the Management of Synchronous and Metachronous Disease. ANNALS OF THE ACADEMY OF MEDICINE, SINGAPORE 2010. [DOI: 10.47102/annals-acadmedsg.v39n9p719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Introduction: Metastatic disease to the liver in colorectal cancer is a common entity that may present synchronously or metachronously. While increasing surgical experience has improved survival outcomes, some evidence suggest that synchronous lesions should be managed differently. This review aims to update current literature on differences between the outcomes and management of synchronous and metachronous disease. Materials and Methods: Systematic review of MEDLINE database up till November 2008. Results: Discrete differences in tumour biology have been identified in separate studies. Twenty-one articles comparing outcomes were reviewed. Definitions of metachronicity varied from anytime after primary tumour evaluation to 1 year after surgery for primary tumour. Most studies reported that synchronous lesions were associated with poorer survival rates (8% to 16% reduction over 5 years). Sixteen articles comparing combined vs staged resections for synchronous tumour showed comparable morbidity and mortality. Benefits over staged resections included shorter hospital stays and earlier initiation of chemotherapy. Suitability for combined resection depended on patient age and constitution, primary tumour characteristics, size and the number of liver metastases, and the extent of liver involvement. Conclusions: Surgery remains the only treatment option that offers a chance of long-term survival for patients amenable to curative resection. Synchronicity suggests more aggressive disease although a unifying theory for biological differences explaining the disparity in tumour behaviour has not been found. Combined resection of primary tumour and synchronous metastases is a viable option pending careful patient selection and institutional experience. Given the current evidence, management of synchronous and metachronous colorectal liver metastases needs to be individualised to the needs of each patient.
Key words: Colorectal neoplasms, Liver neoplasms, Neoplasm metastasis, Synchronous Cancer, Metachronous cancer
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de Haas RJ, Adam R, Wicherts DA, Azoulay D, Bismuth H, Vibert E, Salloum C, Perdigao F, Benkabbou A, Castaing D. Comparison of simultaneous or delayed liver surgery for limited synchronous colorectal metastases. Br J Surg 2010; 97:1279-89. [PMID: 20578183 DOI: 10.1002/bjs.7106] [Citation(s) in RCA: 110] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
BACKGROUND The optimal surgical strategy for patients with synchronous colorectal liver metastases (CLMs) is still unclear. The aim of this study was to compare simultaneous colorectal and hepatic resection with a delayed strategy in patients who had a limited hepatectomy (fewer than three segments). METHODS All patients with synchronous CLMs who underwent limited hepatectomy between 1990 and 2006 were included retrospectively. Short-term outcome, overall and progression-free survival were compared in patients having simultaneous colorectal and hepatic resection and those treated by delayed hepatectomy. RESULTS Of 228 patients undergoing hepatectomy for synchronous CLMs, 55 (24.1 per cent) had a simultaneous colorectal resection and 173 (75.9 per cent) had delayed hepatectomy. The mortality rate following hepatectomy was similar in the two groups (0 versus 0.6 per cent respectively; P = 0.557), but cumulative morbidity was significantly lower in the simultaneous group (11 per cent versus 25.4 per cent in the delayed group; P = 0.015). Three-year overall and progression-free survival rates were 74 and 8 per cent respectively in the simultaneous group, compared with 70.3 and 26.1 per cent in the delayed group (overall survival: P = 0.871; progression-free survival: P = 0.005). Significantly more recurrences were observed in the simultaneous group at 3 years (85 versus 63.6 per cent; P = 0.002); a simultaneous strategy was an independent predictor of recurrence. CONCLUSION Combining colorectal resection with a limited hepatectomy is safe in patients with synchronous CLMs and associated with less cumulative morbidity than a delayed procedure. However, the combined strategy has a negative impact on progression-free survival.
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Affiliation(s)
- R J de Haas
- Hepato-Biliary Centre, Hôpital Paul Brousse, Assistance Publique - Hôpitaux de Paris, France
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Abstract
Metastatic colorectal cancer traditionally has been considered incurable. Over the past 3 decades, however, resection of low-volume hepatic disease has been recognized as beneficial in some cases. More recently, resection of isolated pulmonary metastases has been shown to offer long-term survival in carefully selected patients. Resection of metastases to more unusual sites (ovary, brain, peritoneal cavity) is more controversial; nevertheless, retrospective data suggest that a few patients may be cured with resection of these tumors. In this article, we review the history and current status of metastasectomy in stage IV colorectal cancer.
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Affiliation(s)
- Najjia Mahmoud
- Department of Surgery, University of Pennsylvania, Philadelphia, Pennsylvania, USA
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de Santibañes E, Fernandez D, Vaccaro C, Quintana GO, Bonadeo F, Pekolj J, Bonofiglio C, Molmenti E. Short-Term and Long-Term Outcomes After Simultaneous Resection of Colorectal Malignancies and Synchronous Liver Metastases. World J Surg 2010; 34:2133-40. [DOI: 10.1007/s00268-010-0654-6] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Smith MD, McCall JL. Systematic review of tumour number and outcome after radical treatment of colorectal liver metastases. Br J Surg 2009; 96:1101-13. [DOI: 10.1002/bjs.6735] [Citation(s) in RCA: 79] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Abstract
Background
Resection of colorectal liver metastases (CLMs) is potentially curative but the effect of tumour number on prognosis is uncertain. This study compared the prognosis after resection and/or ablation of between one and three, or four or more CLMs.
Methods
A systematic literature review from January 2000 to June 2008 was performed. Study selection and data extraction were standardized, and analysis included assessment of methodological quality, heterogeneity and bias. Main outcomes were 3- and 5-year survival. A meta-analysis comparing radical treatment in the two groups was performed using the hazard ratio for overall survival.
Results
Of 1307 studies screened, 46 (9934 patients) were included in the analysis. Methodological quality was variable, and there was significant heterogeneity and reporting bias. The overall 5-year survival rate after radical treatment ranged from 7 to 58 per cent. Pooled hazard ratio for overall survival was 1·67 (95 per cent confidence interval 1·43 to 1·95; P < 0·001). Median reported 5-year survival for patients with four or more CLMs was 17·1 per cent.
Conclusion
Radical treatment of more than three CLMs results in poorer overall survival. Nevertheless, 5-year survival is achievable and the number of lesions should not, of itself, be used to exclude patients from surgery.
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Affiliation(s)
- M D Smith
- Department of Surgery, Auckland City Hospital, Auckland, New Zealand
| | - J L McCall
- New Zealand Liver Transplant Unit, Auckland City Hospital, Auckland, New Zealand
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Reddy SK, Barbas AS, Clary BM. Synchronous colorectal liver metastases: is it time to reconsider traditional paradigms of management? Ann Surg Oncol 2009; 16:2395-410. [PMID: 19506963 DOI: 10.1245/s10434-009-0372-1] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2008] [Accepted: 10/14/2008] [Indexed: 12/18/2022]
Abstract
BACKGROUND Patients with synchronous colorectal liver metastases (CLM) are typically treated with initial colorectal resection followed by arbitrary and prolonged courses of chemotherapy. Partial hepatectomy is considered only for patients without interval disease progression. This review describes the rationale for this treatment approach and the recent developments suggesting that this management paradigm should be reconsidered. RESULTS Because asymptomatic colorectal cancer often does not lead to complications, and given the potential benefit of chemotherapy in downsizing unresectable to resectable liver disease, most patients with asymptomatic primary tumors and unresectable synchronous CLM should be first treated with chemotherapy. In contrast, initial hepatic resection should be considered for resectable synchronous CLM. Survival benefits from prehepatectomy chemotherapy have not been established. Several reports demonstrate morbidity after hepatic resection from extended durations of irinotecan- and/or oxaliplatin-based prehepatectomy chemotherapy. Although shorter treatment periods may not have these deleterious effects on subsequent hepatic resection, prospective studies reveal that most patients with supposedly aggressive disease with short treatment durations will not be identified. Moreover, a complete radiologic response to prehepatectomy chemotherapy is not only rare but also does not equate with a complete pathological response. Finally, several studies suggest that simultaneous colorectal and minor hepatic resections can performed safely with benefits in total morbidity when compared with traditional staged procedures. CONCLUSIONS The traditional treatment paradigm centering on the utility of prehepatectomy chemotherapy for resectable synchronous CLM should be reconsidered. Recent developments underscore the need for prospective randomized controlled trials evaluating the optimal timing of hepatectomy relative to chemotherapy.
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Affiliation(s)
- Srinevas K Reddy
- Department of Surgery, Duke University Medical Center, Durham, NC, USA.
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Abstract
In the USA, cancers of the colon and rectum are the third most common site of new cancer cases and cancer deaths. With improved screening and adjuvant therapy, the survival of patients has increased substantially over the last decade. However, patients with metastatic disease often have limited survival. Hepatic metastasis is one of the most frequent sites of metastatic disease. In fact, 35-55% of patients with colorectal cancer will develop hepatic metastasis at some time during the course of their disease. Patients who are able to undergo complete resection of their hepatic metastases have the best chance of long-term survival. The goal of hepatic resection is to achieve complete resection of all metastases with microscopically negative surgical margins while preserving sufficient hepatic parenchyma. Survival following hepatic resection of colorectal metastasis now approaches 35-50%. However, approximately 65% of patients will have a recurrence at 5 years. Increasingly chemotherapeutic agents are being offered in the preoperative setting prior to operation. At the time of operation, patients with extensive hepatic disease can sometimes be offered ablative therapies combined with resection or staged approaches. Modern management of hepatic colorectal metastases necessitates a multidisciplinary approach to effectively treat these patients and increase the number of patients who will benefit from resection.
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Affiliation(s)
- Skye C Mayo
- Department of Surgery, Division of Surgical Oncology, The Johns Hopkins 600 North Wolfe Street, Halsted 614, Baltimore, MD 21287, USA
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Simultaneous versus staged resection for synchronous colorectal cancer liver metastases. J Am Coll Surg 2009; 208:842-50; discussion 850-2. [PMID: 19476847 DOI: 10.1016/j.jamcollsurg.2009.01.031] [Citation(s) in RCA: 146] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2008] [Accepted: 01/16/2009] [Indexed: 02/07/2023]
Abstract
BACKGROUND The aim of this study was to compare postoperative outcomes of patients with synchronous colorectal liver metastases treated with either simultaneous or staged colectomy and hepatectomy. STUDY DESIGN From July 1997 to June 2008, a review of our 1,344-patient prospective hepato-pancreatico-biliary database identified 230 patients treated surgically for primary adenocarcinoma of the large bowel and synchronous hepatic metastasis. Clinicopathologic, operative, and perioperative data, complications, and grade of complications (grade 1, minor, to grade 5, death) were reviewed to evaluate selection criteria, operative methods, and perioperative outcomes. Chi-square and proportional hazard model were used to evaluate predictors of outcomes. RESULTS Seventy patients underwent simultaneous resection of colon primary and liver metastasis in a single operation; 160 patients underwent staged operations. Simultaneous resections were similar for size (median 4 cm versus 3.7 cm) and number (median 3 cm versus 3 cm) of liver metastases. Major liver resections (>or=3 Couinaud segments) were similar between staged and simultaneous (32% versus 33%, respectively), as was type of colectomy (p=0.2). Complication rates and severity were similar in both groups: 39 of 70 patients (56%) in the simultaneous group experienced 63 complications versus 88 of 160 patients (55%) with 162 complications in the staged group (p=0.24). Multivariate analysis identified blood transfusion as a predictor of complication (odds ratio 2.98, p=0.001). Patients having simultaneous resection required fewer days in the hospital (median 10 days versus 18 days, p=0.001). CONCLUSIONS By avoiding a second laparotomy, simultaneous colon and hepatic resection reduces overall hospital stay, with no difference in morbidity and mortality rates or in severity of complications, compared with staged resection. Simultaneous resection is an acceptable option in patients with resectable synchronous colorectal metastasis.
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Hillingsø JG, Wille-Jørgensen P. Staged or simultaneous resection of synchronous liver metastases from colorectal cancer--a systematic review. Colorectal Dis 2009; 11:3-10. [PMID: 18637099 DOI: 10.1111/j.1463-1318.2008.01625.x] [Citation(s) in RCA: 95] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
OBJECTIVE A systematic review of the literature was undertaken to estimate the differences in length of hospital stay, morbidity, mortality and long-term survival between staged and simultaneous resection of synchronous liver metastases from colorectal cancer to determine the level of evidence for recommendations of a treatment strategy. METHOD A Pub-med search was undertaken for studies comparing patients with synchronous liver metastases, who either had a combined or staged resection of metastases. Twenty-six were considered and 16 were included based on Newcastle Ottawa Quality Assessment Scale. All studies were retrospective and had a general bias, because the staged procedure was significantly more often undertaken in patients with left-sided primary tumours and larger, more numerous and bi-lobar metastases. Analyses of primary outcomes were performed using the random effects model. RESULTS For the reason of the heterogeneity of the observational studies, no odds ratios were calculated. In 11 studies, there was a tendency towards a shorter hospital stay in the synchronous resection group. Fourteen studies compared total perioperative morbidity and lower morbidity was observed in favour of a combined resection. Fifteen studies compared perioperative mortality, which seemed to be lower with the staged approach. Eleven studies compared 5-year survival, which seemed to be similar in the two groups. CONCLUSION No randomized controlled trials were identified, and hence a meta-analysis was not performed. The evidence level is II to III with grade C recommendations. Synchronous resections can be undertaken in selected patients, provided that surgeons specialized in colorectal and hepatobiliary surgery are available.
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Affiliation(s)
- J G Hillingsø
- Department of Surgery C, Rigshospitalet, Faculty of Health Services, University of Copenhagen, Denmark.
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Sharma S, Camci C, Jabbour N. Management of hepatic metastasis from colorectal cancers: an update. ACTA ACUST UNITED AC 2008; 15:570-80. [PMID: 18987925 DOI: 10.1007/s00534-008-1350-x] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2007] [Accepted: 02/20/2008] [Indexed: 12/17/2022]
Abstract
Approximately 50%-60% of patients with colorectal cancers will develop liver lesions in their life span. Despite the potential of surgical resection to provide long-term survival in this subset of patients, only 15%-20% are found to be resectable. The introduction of new neoadjuvant chemotherapeutic agents and the expanding criteria of resection have enhanced the overall 5-year survival from 30% to 60% in the past decade. The use of technical innovations such as staged resection; portal vein embolization, and repeat resection have allowed higher resection rates in patients with bilobar disease. Extrahepatic primary and liver-exclusive recurrent disease no longer represent an absolute contraindication to resection. The role of regional therapy using hepatic arterial infusion is being redefined for liver-exclusive unresectable disease. Adjuvant chemotherapy in combination with regional therapies is being looked at from fresh perspectives. Ablative approaches have gained a firm role both as an adjunct to surgical resection and in the management of patients who are not surgical candidates. Overall, the management of hepatic metastasis from colorectal cancers requires a multimodal approach.
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Affiliation(s)
- Sharad Sharma
- Nazih Zuhdi Transplant Institute, 3300 North West Expressway, Oklahoma, OK 73112, USA
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Aloia TA, Fahy BN. A decision analysis model predicts the optimal treatment pathway for patients with colorectal cancer and resectable synchronous liver metastases. Clin Colorectal Cancer 2008; 7:197-201. [PMID: 18621638 DOI: 10.3816/ccc.2008.n.026] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
BACKGROUND The estimated 2400 Americans who annually present with colorectal cancer and simultaneous resectable liver metastases encounter a wide array of surgical and medical treatment options. Because of the large number of possible treatment sequences and the absence of clinical trials comparing these various pathways, there is no consensus on the optimal therapeutic strategy. MATERIALS AND METHODS To address this issue, a decision-making model was developed incorporating all possible combinations of the following treatments: colorectal resection, hepatic resection, simultaneous colohepatic resection, and systemic chemotherapy. Transition probabilities associated with each treatment were determined by systematic review of the literature. Variations in complication rates based on the extent of hepatectomy (minor: 1-2 segments vs. major: > 2 segments) were factored into the model. Sensitivity analyses were performed to identify threshold values for study variables that altered the optimal treatment pathway. RESULTS After 10,000 simulated patient trials with no bias toward any one initial treatment (ie, current practice conditions), the global calculated 5-year survival rate was 21%. For simulated patients with moderate hepatic tumor burden, only treatment sequences that placed systemic therapy before major hepatectomy resulted in improved 5-year survival projections (38% vs. 29%; P = .001; odds ratio, 1.82). Initial treatment with simultaneous colohepatic resection was only favored when the operative mortality rate was adjusted to < 0.5%. CONCLUSION This detailed decision-making analysis predicts that the optimal treatment pathway for most patients with colorectal cancer and simultaneous resectable liver metastases is preoperative systemic therapy followed by colohepatectomy or 2-stage resection. In the era of improved systemic therapies, major hepatic resection should be deferred until local and systemic disease can been addressed.
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Affiliation(s)
- Thomas A Aloia
- Department of Surgery, The Methodist Hospital, Houston, TX 77030, USA.
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[Safety of simultaneous colon and liver resection for colorectal liver metastases]. VOJNOSANIT PREGL 2008; 65:153-7. [PMID: 18365673 DOI: 10.2298/vsp0802153s] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND/AIM Surgical strategy for the treatment of resectable synchronous hepatic metastases of colorectal cancer (CRC) remains controversial. The aim of this study was to assess safety of simultaneous colon and liver rese cions and the direct effects of this type of treatment upon morbidity and mortality of the patients with synchronus hepatic metastases of CRC. METHODS Intraoperative and postoperative data of 31 patients with simultaneous liver and colorectal resection were compared with the data of 51 patients who had undergone colon and hepatic resection in the staging setting. Analized were demographic data, number of metastases, type of the liver resection, operation time, intraoperative blood loss, percentage of postoperative complications, morbidity and mortality and lenght of hospitalisation. RESULTS In the group of the patients operated simultaneously 5 hepatectomies, 3 sectionectomies, 2 trisegmentectomies, 3 bisegmentectomy, 6 segmentectomies, and 12 metastasectomies were combined with colon resection. In this group operation time (280 vs. 330 minutes) and in traoperative blood loss (450 vs. 820 ml) were lower than those in the two staged operation group. Postoperative complication rate was lower in the simultaneous group (19.35%o) than in the two-staged operation group (19.60%), without statistical significance. There was no hospital mortality in both groups. The patients having simultaneous resection required fewer days in the hospital (median 10.2 days) than the patients undergone operation in the two stage (18.34 days). CONCLUSION By avoiding a second laparotomy, overall operation time, blood loss, hospital stay and complication rate are reduced with no change in hospital mortality, so simultaneous colon and hepatic resection performed by the competent surgeons are safe and efficient for the treatment of synchronous colorectal liver metastases.
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McKay A, Sutherland FR, Bathe OF, Dixon E. Morbidity and mortality following multivisceral resections in complex hepatic and pancreatic surgery. J Gastrointest Surg 2008; 12:86-90. [PMID: 17710505 DOI: 10.1007/s11605-007-0273-1] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2007] [Accepted: 07/19/2007] [Indexed: 01/31/2023]
Abstract
Complex multivisceral resections in major hepatic and pancreatic surgery are relatively infrequent, and information regarding the morbidity and mortality associated with such resections is scant. The purpose of this paper is to describe the outcomes following such aggressive surgical treatment. A retrospective review of the outcomes following multiorgan resection in the setting of major liver or pancreatic resection was conducted from 2002 until July 2006. Patients who had a major hepatic or pancreatic resection plus resection of at least one other organ were included. The primary outcome measures analyzed were the postoperative morbidity and mortality. Secondary outcomes included recurrence rates and survival. Twenty-seven patients met the inclusion criteria. There were two postoperative deaths (7%). Complications occurred in 59% of patients. Complications were minor in 26% and severe in 33%. Complications were more frequent in older patients and in patients with pancreatic resections. Mortality was significantly increased in the setting of a pancreaticoduodenectomy. These more aggressive procedures should be considered to carry a higher risk of complications, particularly in patients undergoing pancreaticoduodenectomies. Patients should be selected carefully when undertaking complex multivisceral resections in major hepatic and pancreatic surgery.
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Affiliation(s)
- Andrew McKay
- Department of Surgery, University of Calgary, Calgary, Alberta, Canada
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Lee WS, Kim MJ, Yun SH, Chun HK, Lee WY, Kim SJ, Choi SH, Heo JS, Joh JW, Kim YI. Risk factor stratification after simultaneous liver and colorectal resection for synchronous colorectal metastasis. Langenbecks Arch Surg 2007; 393:13-9. [PMID: 17909846 DOI: 10.1007/s00423-007-0231-0] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2007] [Accepted: 09/17/2007] [Indexed: 01/16/2023]
Abstract
BACKGROUND/AIM This study was conducted to devise a prognostic model for patients undergoing simultaneous liver and colorectal resection. MATERIALS AND METHODS A retrospective analysis was performed on 138 colorectal patients who underwent simultaneous liver and colorectal resection between September 1994 and September 2005. The primary endpoint of the study was overall survival. Three patients with positive liver resection margin were excluded from the analysis. RESULTS At multivariate level, poor prognostic factors were liver resection margin < or =5 mm (P = 0.047; relative risk, 1.684; 95% CI = 1.010-2.809), CEA greater than 5 ng/ml (P = <0.001; relative risk, 2.507; 95% CI = 1.499-4.194), number of liver metastasis > 1 (P = <0.042; relative risk, 1.687; 95% CI = 1.020-2.789), and lymph node > or = 4 (P = <0.012; relative risk, 1.968; 95% CI = 1.158-3.347). The risk stratification grouping of the 135 patients was performed according to the following criteria: low risk group, 0-1 factor; intermediate risk group, 2 factors; high-risk group, 3-4 factors. Of 135 patients, 86 patients (63.0%) were categorized as low-risk group, 36 patients (26.6%) as intermediate risk group, and 14 patients (10.4%) as high-risk group. Median survival times for low, intermediate, high-risk groups were 68.0, 43.6 (95% CI, 24.7-62.4), and 23.5 months (95% CI, 9.4-31.5), respectively. The high-risk group demonstrated an approximately threefold (relative risk, 3.1; 95% CI, 1.6-6.0) increased risk of death. CONCLUSIONS A simple risk factor stratification system was proposed to evaluate the chances of cure of patients after simultaneous resection of liver metastases and primary colorectal carcinoma. The risk factor stratification showed three groups with distinct survival. The risk stratification may help to predict patient survival after simultaneous liver and colorectal resection. This system needs further prospective validation.
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Affiliation(s)
- Won-Suk Lee
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, 50 Irwon-dong, Gangnam-gu, Seoul 135-710, South Korea
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Thelen A, Jonas S, Benckert C, Spinelli A, Lopez-Hänninen E, Rudolph B, Neumann U, Neuhaus P. Simultaneous versus staged liver resection of synchronous liver metastases from colorectal cancer. Int J Colorectal Dis 2007; 22:1269-76. [PMID: 17318552 DOI: 10.1007/s00384-007-0286-y] [Citation(s) in RCA: 113] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/25/2007] [Indexed: 02/04/2023]
Abstract
BACKGROUND AND AIMS The surgical strategy for treatment of synchronous liver metastases from colorectal cancer remains controversial. This retrospective analysis was conducted to compare the postoperative outcome and survival of patients receiving simultaneous resection of liver metastases and primary colorectal cancer to those receiving staged resection. MATERIALS AND METHODS Between January 1988 and September 2005, 219 patients underwent liver resection for synchronous colorectal liver metastases, of whom, 40 patients received simultaneous resection of liver metastases and primary colorectal cancer, and 179 patients staged resections. Patients were identified from a prospective database, and records were retrospectively reviewed. Patient, tumor, and operative parameters were analyzed for their influence on postoperative morbidity and mortality as well as on long-term survival. RESULTS Simultaneous liver resections tend to be performed for colon primaries rather than for rectal cancer (p = 0.004) and used less extensive liver resections (p < 0.001). The postoperative morbidity was comparable between both groups, whereas the mortality was significantly higher in patients with simultaneous liver resection (p = 0.012). The mortality after simultaneous liver resection (n = 4) occurred after major hepatectomies, and three of these four patients were 70 years of age or older. There was no significant difference in long-term survival after formally curative simultaneous and staged liver resection. CONCLUSION Simultaneous liver and colorectal resection is as efficient as staged resections in the treatment of patients with colorectal cancer and synchronous liver metastases. To perform simultaneous resections safely a careful patient selection is necessary. The most important criteria to select patients for simultaneous liver resection are age of the patient and extent of liver resection.
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Affiliation(s)
- Armin Thelen
- Department of General, Visceral and Transplant Surgery, Campus Virchow-Klinikum, Charité Universitätsmedizin Berlin, Berlin, Germany.
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Reddy SK, Pawlik TM, Zorzi D, Gleisner AL, Ribero D, Assumpcao L, Barbas AS, Abdalla EK, Choti MA, Vauthey JN, Ludwig KA, Mantyh CR, Morse MA, Clary BM. Simultaneous resections of colorectal cancer and synchronous liver metastases: a multi-institutional analysis. Ann Surg Oncol 2007; 14:3481-91. [PMID: 17805933 DOI: 10.1245/s10434-007-9522-5] [Citation(s) in RCA: 284] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2007] [Accepted: 05/10/2007] [Indexed: 12/16/2022]
Abstract
BACKGROUND The safety of simultaneous resections of colorectal cancer and synchronous liver metastases (SCRLM) is not established. This multi-institutional retrospective study compared postoperative outcomes after simultaneous and staged colorectal and hepatic resections. METHODS Clinicopathologic data, treatments, and postoperative outcomes from patients who underwent simultaneous or staged colorectal and hepatic resections at three hepatobiliary centers from 1985-2006 were reviewed. RESULTS 610 patients underwent simultaneous (n = 135) or staged (n = 475) resections of colorectal cancer and SCRLM. Seventy staged patients underwent colorectal and hepatic resections at the same institution. Simultaneous patients had fewer (median 1 versus 2) and smaller (median 2.5 versus 3.5 cm) metastases and less often underwent major (> or = three segments) hepatectomy (26.7% versus 61.3%, p < 0.05). Combined hospital stay was lower after simultaneous resections (median 8.5 versus 14 days, p < 0.0001). Mortality (1.0% versus 0.5%) and severe morbidity (14.1% versus 12.5%) were similar after simultaneous colorectal resection and minor hepatectomy compared with isolated minor hepatectomy (both p > 0.05). For major hepatectomy, simultaneous colorectal resection increased mortality (8.3% versus 1.4%, p < 0.05) and severe morbidity (36.1% versus 15.1%, p < 0.05). Combined severe morbidity after staged resections was lower compared to simultaneous resections (36.1% versus 17.6%, p = 0.05) for major hepatectomy but similar for minor hepatectomy (14.1% versus 10.5%, p > 0.05). Major hepatectomy independently predicted severe morbidity after simultaneous resections [hazard ratio (HR) = 3.4, p = 0.008]. CONCLUSIONS Simultaneous colorectal and minor hepatic resections are safe and should be performed for most patients with SCRLM. Due to increased risk of severe morbidity, caution should be exercised before performing simultaneous colorectal and major hepatic resections.
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Affiliation(s)
- Srinevas K Reddy
- Department of Surgery, Duke University Medical Center, Durham, NC 27710, USA.
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Abstract
Colorectal cancer is the fourth most common type of cancer in the West and the second leading cause of cancer-related deaths in the United States. Approximately 35 to 55% of patients with colorectal cancer develop hepatic metastases during the course of their disease. Surgical resection of colorectal liver metastases represents the only chance at potential cure, and long-term survival can be achieved in 35 to 58% of patients after resection. The goal of hepatic resection should be to resect all metastases with negative histologic margins while preserving sufficient functional hepatic parenchyma. In patients with extensive metastatic disease who would otherwise be unresectable, ablative approaches can be used instead of or combined with hepatic resection. The use of portal vein embolization and preoperative chemotherapy may also expand the population of patients who are candidates for surgical treatment. Despite these advances, many patients still experience a recurrence after hepatic resection. More active systemic chemotherapy agents are now available and are being increasingly employed as adjuvant therapy either before or after surgery. Modern treatment of colorectal liver metastasis requires a multidisciplinary approach in an effort to increase the number of patients who may benefit from surgical treatment of colorectal cancer liver metastasis.
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Affiliation(s)
- Timothy M Pawlik
- Division of Surgical Oncology, Department of Surgery, The Johns Hopkins University School of Medicine, Baltimore, MD 22187-6681, USA
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Capussotti L, Ferrero A, Viganò L, Ribero D, Lo Tesoriere R, Polastri R. Major liver resections synchronous with colorectal surgery. Ann Surg Oncol 2007; 14:195-201. [PMID: 17080238 DOI: 10.1245/s10434-006-9055-3] [Citation(s) in RCA: 134] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
BACKGROUND Surgical strategy in liver metastases synchronous to colorectal cancer remains controversial. The aim of this study was to evaluate feasibility and short-term outcomes of major hepatectomies synchronous to colorectal surgery. METHODS Between January 1985 and December 2004, 79 patients underwent major hepatectomy for metastases synchronous to colorectal cancer; 31 underwent synchronous hepatectomy and colorectal surgery, and 48 underwent delayed liver resection. RESULTS The synchronous group had a higher rate of right colectomy (38.7% vs. 18.8%, P = .0499) and larger metastases (8 vs. 5.3 cm, P = .0032). Mortality (one patient in synchronous group), morbidity, and anastomotic leak rates were similar in the two groups. Colon-related morbidity did not cause adjunctive liver complications. Hospitalization in delayed hepatectomies was shorter (10.4 days vs. 13.9 days, P = .0021). Blood and plasma transfusions were higher in synchronous resections (41.9% vs. 16.7%, P = .0131 and 54.8% vs. 31.3%, P = .0370); no differences were found in the last 10 years. Considering both surgical procedures (colorectal + liver resection), in delayed hepatectomies, morbidity was higher (56.3% vs. 32.6%, P = .0369) and hospitalization was longer (20.5 vs. 13.9 days, P = .00001). Nine patients underwent major hepatectomy at the same time as anterior rectal resection with no mortality (morbidity 22.2%, mean hospitalization 12.4 days). CONCLUSIONS Major hepatectomies can be safely performed at the same time as colorectal surgery in selected patients with synchronous metastases with similar short-term results, even in the presence of rectal cancer.
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Affiliation(s)
- Lorenzo Capussotti
- Unit of Surgical Oncology, Institute for Cancer Research and Treatment, Strada Provinciale 142 km 3, 95 10060, Candiolo, Torino, Italy.
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Jovine E, Biolchini F, Talarico F, Lerro FM, Mastrangelo L, Selleri S, Landolfo G, Martuzzi F, Iusco DR, Lazzari A. Major hepatectomy in patients with synchronous colorectal liver metastases: whether or not a contraindication to simultaneous colorectal and liver resection? Colorectal Dis 2007; 9:245-52. [PMID: 17298623 DOI: 10.1111/j.1463-1318.2006.01152.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
OBJECTIVE Synchronous hepatic lesions account for 15-25% of newly diagnosed colorectal cancer and its optimal timing to surgery is not completely defined, but simultaneous colorectal and liver resection is recently gaining acceptance, at least in patients with a right colonic primary and liver metastases that need a minor hepatectomy to be fully resected. METHOD From September 2002 to December 2004, 16 patients underwent simultaneous resection as treatment of synchronous colorectal liver resection; in 10 patients (62.5%) a major hepatectomy was performed. RESULTS The mean duration of intervention was 322.5 +/- 59.5 min, operative mortality and morbidity rates was 0% and 25% respectively; the hospitalization was 14.4 (range 8-60) days on average. Mean follow-up was 14 months and actuarial survival was 76.5% at 1 year and 63.5% at 2 years. CONCLUSION We concluded that simultaneous colonic and liver resection should be undertaken in selected patients with synchronous colorectal liver resection regardless of the extent of hepatectomy; major liver resection, in fact, seems capable of providing better oncological results, allowing resection of liver micrometastases that, in almost one-third of the patients, are located in the same liver lobe of macroscopic lesions, without increased morbidity rates.
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Affiliation(s)
- E Jovine
- Surgical Department, Maggiore Hospital, Bologna, Italy.
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Capussotti L, Vigano' L, Ferrero A, Lo Tesoriere R, Ribero D, Polastri R. Timing of resection of liver metastases synchronous to colorectal tumor: proposal of prognosis-based decisional model. Ann Surg Oncol 2007; 14:1143-50. [PMID: 17200913 DOI: 10.1245/s10434-006-9284-5] [Citation(s) in RCA: 97] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2006] [Revised: 10/31/2006] [Accepted: 11/01/2006] [Indexed: 01/10/2023]
Abstract
BACKGROUND Timing of hepatectomy for synchronous metastases of colorectal cancer is still debated. The aim of this retrospective study was to analyze prognostic factors after synchronous and delayed liver resections to define selection criteria for choosing timing of hepatectomy. METHODS The study was performed on 127 patients with synchronous metastases undergoing radical hepatectomy. We divided patients according to the timing of hepatectomy: 70 synchronous (group A) and 57 delayed (group B). RESULTS Overall survival was similar between the two groups (5-year survival 30.8% vs. 32.0% A vs. B, P = .406). The multivariate analysis evidenced four independent prognostic factors in group A: male sex (P = .04), T4 (P = .0035), more than three metastases (P = .0001), and metastatic infiltration of nearby structures (P < .0001). There were no statistically significant prognostic factors in group B. Patients with more than three metastases had a significantly worse survival in group A than in group B (3-year survival, 15.0% vs. 34.3%, P = .007); similarly, borderline significant difference was encountered in patients with T4 primary tumor (3-year survival, 16.7% vs. 60%, P = .064) CONCLUSIONS Patients with liver metastases synchronous with colorectal cancer with T4 primary tumor, metastasis infiltration of neighboring structures, and especially with more than three metastases should receive neoadjuvant chemotherapy before liver resection.
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Affiliation(s)
- Lorenzo Capussotti
- Unit of Surgical Oncology, Institute for Cancer Research and Treatment, Strada Provinciale 142 km 3,95 10060, Candiolo, Torino, Italy.
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