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Soyama A, Hamada T, Adachi T, Eguchi S. Current status and future perspectives of robotic liver surgery. Hepatol Res 2024. [PMID: 38801309 DOI: 10.1111/hepr.14058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Revised: 04/17/2024] [Accepted: 05/07/2024] [Indexed: 05/29/2024]
Abstract
Robotic liver resection has been reported in case series since the early 2000s. The surgical robot is capable of precise operation using articulated forceps with seven degrees of freedom. The robot also eliminates tremors and provides a good surgical field with highly detailed 3D high-definition images. The clinical results demonstrating their usefulness have been increasing year by year. Initially, a shorter hospital stay was observed in comparison with open hepatectomy. Recent reports have also shown lower conversion and complication rates in comparison with laparoscopic hepatectomy. The clamp and crush method with bipolar forceps, sealing devices, ultrasonic shears, and the combined procedure of Cavitron ultrasonic surgical aspirator and robotic forceps as hybrid procedures have been reported as effective methods of parenchymal transection in robotic surgery. Theoretically, the advantages of the robotic platform allow for more complex liver resection around hilar structures and major blood vessels, as well as for vascular reconstruction or biliary reconstruction. The application of robotic liver surgery for hilar cholangiocarcinoma, living donor hepatectomy, and living donor liver transplantation has been reported. Robotic liver surgery is becoming more popular for certain indications; however, it is important to further evaluate its long-term surgical and oncological outcomes and costs in comparison with conventional laparoscopic and open liver surgery, based on accumulated experience.
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Affiliation(s)
- Akihiko Soyama
- Department of Surgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Takashi Hamada
- Department of Surgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Tomohiko Adachi
- Department of Surgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Susumu Eguchi
- Department of Surgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
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Troisi RI, Cho HD, Giglio MC, Rhu J, Cho JY, Sasaki K, Han DH, Kwon CHD, Han HS, Chen PD, Wu YM, Choi GH, Choi GS, Kim KH. Robotic and laparoscopic right lobe living donation compared to the open approach: A multicenter study on 1194 donor hepatectomies. Liver Transpl 2024; 30:484-492. [PMID: 38015444 DOI: 10.1097/lvt.0000000000000304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 10/17/2023] [Indexed: 11/29/2023]
Abstract
Due to the success of minimally invasive liver surgery, laparoscopic and robotic minimally invasive donor hepatectomies (MIDH) are increasingly performed worldwide. We conducted a retrospective, multicentre, propensity score-matched analysis on right lobe MIDH by comparing the robotic, laparoscopic, and open approaches to assess the feasibility, safety, and early outcomes of MIDHs. From January 2016 until December 2020, 1194 donors underwent a right donor hepatectomy performed with a robotic (n = 92), laparoscopic (n = 306), and open approach (n = 796) at 6 high-volume centers. Donor and recipients were matched for different variables using propensity score matching (1:1:2). Donor outcomes were recorded, and postoperative pain was measured through a visual analog scale. Recipients' outcomes were also analyzed. Ninety-two donors undergoing robotic surgery were matched and compared to 92 and 184 donors undergoing laparoscopic and open surgery, respectively. Conversions to open surgery occurred during 1 (1.1%) robotic and 2 (2.2%) laparoscopic procedures. Robotic procedures had a longer operative time (493 ± 96 min) compared to laparoscopic and open procedures (347 ± 120 and 358 ± 95 min; p < 0.001) but were associated with reduced donor blood losses ( p < 0.001). No differences were observed in overall and major complications (≥ IIIa). Robotic hepatectomy donors had significantly less pain compared to the 2 other groups ( p < 0.001). Fifty recipients of robotic-procured grafts were matched to 50 and 100 recipients of laparoscopic and open surgery procured grafts, respectively. No differences were observed in terms of postoperative complications, and recipients' survival was similar ( p =0.455). In very few high-volume centers, robotic right lobe procurement has shown to be a safe procedure. Despite an increased operative and the first warm ischemia times, this approach is associated with reduced intraoperative blood losses and pain compared to the laparoscopic and open approaches. Further data are needed to confirm it as a valuable option for the laparoscopic approach in MIDH.
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Affiliation(s)
- Roberto Ivan Troisi
- Department of Clinical Medicine and Surgery, Division of HPB, Minimally Invasive and Robotic Surgery, Transplantation Service, Federico II University Hospital, Naples, Italy
| | - Hwui-Dong Cho
- Division of Hepatobiliary Surgery and Liver Transplantation, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Mariano Cesare Giglio
- Department of Clinical Medicine and Surgery, Division of HPB, Minimally Invasive and Robotic Surgery, Transplantation Service, Federico II University Hospital, Naples, Italy
| | - Jinsoo Rhu
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Jai Young Cho
- Department of Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seoul, Korea
| | - Kazuanri Sasaki
- Department of General Surgery, Digestive Disease, and Surgery Institute, Lerner College of Medicine, Cleveland Clinic, Cleveland, Ohio, USA
| | - Dai Hoon Han
- Department of Surgery, Division of Hepatobiliary Pancreatic Surgery, Yonsei University College of Medicine, Seoul, South Korea
| | - Choon Hyuck David Kwon
- Department of General Surgery, Digestive Disease, and Surgery Institute, Lerner College of Medicine, Cleveland Clinic, Cleveland, Ohio, USA
| | - Ho-Seong Han
- Department of Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seoul, Korea
| | - Po-Da Chen
- Department of Surgery, National Taiwan University Hospital, Taipei
| | - Yao-Ming Wu
- Department of Surgery, National Taiwan University Hospital, Taipei
| | - Gi Hong Choi
- Department of Surgery, Division of Hepatobiliary Pancreatic Surgery, Yonsei University College of Medicine, Seoul, South Korea
| | - Gyu Sung Choi
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Ki-Hun Kim
- Division of Hepatobiliary Surgery and Liver Transplantation, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
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He ZQ, Mao YL, Lv TR, Liu F, Li FY. A meta-analysis between robotic hepatectomy and conventional open hepatectomy. J Robot Surg 2024; 18:166. [PMID: 38587718 DOI: 10.1007/s11701-024-01882-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Accepted: 02/22/2024] [Indexed: 04/09/2024]
Abstract
Current meta-analysis was performed to compare robotic hepatectomy (RH) with conventional open hepatectomy (OH) in terms of peri-operative and postoperative outcomes. PubMed, EMBASE, and the Cochrane Library were all searched up for comparative studies between RH and OH. RevMan5.3 software and Stata 13.0 software were used for statistical analysis. Nineteen studies with 1747 patients who received RH and 23,633 patients who received OH were included. Pooled results indicated that patients who received RH were generally younger than those received OH (P < 0.00001). Moreover, RH was associated with longer operative time (P = 0.0002), less intraoperative hemorrhage (P < 0.0001), lower incidence of intraoperative transfusion (P = 0.003), lower incidence of postoperative any morbidity (P < 0.00001), postoperative major morbidity (P = 0.0001), mortalities with 90 days after surgery (P < 0.0001), and shorter length of postoperative hospital stay (P < 0.00001). Comparable total hospital costs were acquired between RH and OH groups (P = 0.46). However, even at the premise of comparable R0 rate (P = 0.86), RH was associated with smaller resected tumor size (P < 0.00001). Major hepatectomy (P = 0.02) and right posterior hepatectomy (P = 0.0003) were less frequently performed in RH group. Finally, we concluded that RH was superior to OH in terms of peri-operative and postoperative outcomes. RH could lead to less intraoperative hemorrhage, less postoperative complications and an enhanced postoperative recovery. However, major hepatectomy and right posterior hepatectomy were still less frequently performed via robotic approach. Future more powerful well-designed studies are required for further exploration.
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Affiliation(s)
- Zhi-Qiang He
- Department of Biliary Tract Surgery, Department of General Surgery, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Ya-Ling Mao
- Day Surgery Center, General Practice Medical Center, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Tian-Run Lv
- Department of Biliary Tract Surgery, Department of General Surgery, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Fei Liu
- Department of Biliary Tract Surgery, Department of General Surgery, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Fu-Yu Li
- Department of Biliary Tract Surgery, Department of General Surgery, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China.
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Maki H, Nishioka Y, Haddad A, Lendoire M, Tran Cao HS, Chun YS, Tzeng CWD, Vauthey JN, Newhook TE. Reproducibility and efficiency of liver volumetry using manual method and liver analysis software. HPB (Oxford) 2024:S1365-182X(24)01228-0. [PMID: 38632032 DOI: 10.1016/j.hpb.2024.03.1157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 01/19/2024] [Accepted: 03/15/2024] [Indexed: 04/19/2024]
Abstract
BACKGROUND For liver volumetry, manual tracing on computed tomography (CT) images is time-consuming and operator dependent. To overcome these disadvantages, several three-dimensional simulation software programs have been developed; however, their efficacy has not fully been evaluated. METHODS Three physicians performed liver volumetry on preoperative CT images on 30 patients who underwent formal right hepatectomy, using manual tracing volumetry and two simulation software programs, SYNAPSE and syngo.via. The future liver remnant (FLR) was calculated using each method of volumetry. The primary endpoint was reproducibility and secondary outcomes were calculation time and learning curve. RESULTS The mean FLR was significantly lower for manual volumetry than for SYNAPSE or syngo.via; there was no significant difference in mean FLR between the two software-based methods. Reproducibility was lower for the manual method than for the software-based methods. Mean calculation time was shortest for SYNAPSE. For the two physicians unfamiliar with the software, no obvious learning curve was observed for using SYNAPSE, whereas learning curves were observed for using syngo.via. CONCLUSIONS Liver volumetry was more reproducible and faster with three-dimensional simulation software, especially SYNAPSE software, than with the conventional manual tracing method. Software can help even inexperienced physicians learn quickly how to perform liver volumetry.
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Affiliation(s)
- Harufumi Maki
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Yujiro Nishioka
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Antony Haddad
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Mateo Lendoire
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Hop S Tran Cao
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Yun S Chun
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Ching-Wei D Tzeng
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Jean-Nicolas Vauthey
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Timothy E Newhook
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
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Ng KKC, Cheng KC, Kung JWC, Ho KM, Lok HT, Fung AKY, Chong CCN, Cheung SYS, Lee KF, Wong J, Lai PBS. Comparison of clinical outcome between laparoscopic and open hepatectomy of high difficulty score for hepatocellular carcinoma: a propensity score analysis. Surg Endosc 2024; 38:857-871. [PMID: 38082015 DOI: 10.1007/s00464-023-10634-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 11/29/2023] [Indexed: 02/02/2024]
Abstract
BACKGROUND Laparoscopic liver resection (LLR) of high difficulty score is technically challenging. There is a lack of clinical evidence to support its applicability in terms of the long-term survival benefits. This study aims to compare clinical outcomes between LLR and the open liver resection of high difficulty score for hepatocellular carcinoma (HCC). MATERIALS AND METHODS From 2010 to 2020, using Iwate criteria, 424 patients underwent liver resection of high difficulty score by the laparoscopic (n = 65) or open (n = 359) approach. Propensity score (PS) matching was performed between the two groups. Short-term and long-term outcomes were compared between PS-matched groups. Univariate and multivariate analyses were performed to identify prognostic factors affecting survival. RESULTS The laparoscopic group had significantly fewer severe complications (3% vs. 10.8%), and shorter median hospital stays (6 days vs. 8 days) than the open group. Meanwhile, the long-term oncological outcomes were comparable between the two groups, in terms of the tumor recurrence rate (40% vs. 46.1%), the 5-year overall survival rate (75.4% vs. 76.2%), and the 5-year recurrence-free survival rate (50.3% vs. 53.5%). The high preoperative serum alpha-fetoprotein level, multiple tumors, and severe postoperative complications were the independent poor prognostic factors associated with worse overall survival. The surgical approach (Laparoscopic vs. Open) did not influence the survival. CONCLUSION LLR of high difficulty score for selected patients with HCC has better short-term outcomes than the open approach. More importantly, it can achieve similar long-term survival outcomes as the open approach.
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Affiliation(s)
- Kelvin K C Ng
- Department of Surgery, The Chinese University of Hong Kong, Hong Kong, Hong Kong.
- Department of Surgery, Prince of Wales Hospital, New Territories, Hong Kong.
- Department of Surgery, The Chinese University of Hong Kong, Prince of Wales Hospital, 30 - 32 Ngan Shing Street, New Territories, Hong Kong.
| | - Kai-Chi Cheng
- Department of Surgery, Kwong Wah Hospital, Hong Kong, Hong Kong
| | - Janet W C Kung
- Department of Surgery, Prince of Wales Hospital, New Territories, Hong Kong
| | - Kit-Man Ho
- Department of Surgery, Kwong Wah Hospital, Hong Kong, Hong Kong
| | - Hon-Ting Lok
- Department of Surgery, Prince of Wales Hospital, New Territories, Hong Kong
| | - Andrew K Y Fung
- Department of Surgery, Prince of Wales Hospital, New Territories, Hong Kong
| | - Charing C N Chong
- Department of Surgery, The Chinese University of Hong Kong, Hong Kong, Hong Kong
- Department of Surgery, Prince of Wales Hospital, New Territories, Hong Kong
| | - Sunny Y S Cheung
- Department of Surgery, Prince of Wales Hospital, New Territories, Hong Kong
| | - Kit-Fai Lee
- Department of Surgery, Prince of Wales Hospital, New Territories, Hong Kong
| | - John Wong
- Department of Surgery, Prince of Wales Hospital, New Territories, Hong Kong
| | - Paul B S Lai
- Department of Surgery, The Chinese University of Hong Kong, Hong Kong, Hong Kong
- Department of Surgery, Prince of Wales Hospital, New Territories, Hong Kong
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Hołówko W, Serednicki W, Bartkowiak M, Wysocki M, Domurat M, Mielko J, Pierściński S, Hogendorf P, Masior Ł, Kalinowski P, Wierdak M, Frączek M, Tarasik A, Wróblewski T, Budzyński A, Pędziwiatr M, Grąt M. Early adoption of laparoscopic liver surgery in Poland: a national retrospective cohort study. Int J Surg 2024; 110:361-371. [PMID: 37816169 PMCID: PMC10793755 DOI: 10.1097/js9.0000000000000840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 09/29/2023] [Indexed: 10/12/2023]
Abstract
BACKGROUND The need for safe and efficient dissemination of minimally invasive approach in liver surgery is among the current challenges for hepatobiliary surgeons. After the stage of innovators and pioneers, the following countries should adopt a laparoscopic approach. The aim of this study was to assess the national experience and trend in implementing laparoscopic liver resection (LLR) in Poland. MATERIALS AND METHODS A national registry of LLR performed in Poland was established in June 2020. All LLR cases performed before were included retrospectively, followed by prospectively collected new cases. Baseline characteristics, preoperative and intraoperative data, short-term results and long-term follow-up were recorded. RESULTS Since 2010 up to the end of 2022 there were 718 LLRs performed in Poland. The national rate of laparoscopic approach has gradually increased since 2017 ( P <0.001), reaching the rate of 11.7% in 2022. There were 443 (61.7%), 107 (14.9%), and 168 (23.4%) LLRs performed in accordance to increasing grades of difficulty. The move towards more demanding cases had an increasing trend over the years ( P <0.001). Total intraoperative adverse event and postoperative severe complications rates were estimated for 13.5% ( n =97) and 6.7% ( n =48), respectively. 30-day reoperation, readmission and postoperative mortality rates were 3.6% ( n =26), 2.8% ( n =20), and 0.8% ( n =6), respectively. While the R0 resection margin was assessed in 643 (89.6%) cases, the total textbook outcomes (TO) were achieved in 525 (74.5%) cases. Overcoming the learning curve of 60 LLRs, resulted in an increasing TO rate from 72.3 to 80.6% ( P =0.024). CONCLUSIONS It is the first national analysis of a laparoscopic approach in liver surgery in Poland. An increasing trend of minimizing invasiveness in liver resection has been observed. Responsible selection of cases in accordance with difficulty may provide results within global benchmark values and textbook outcomes already during the learning curve.
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Affiliation(s)
| | - Wojciech Serednicki
- 2nd Department of General Surgery, Jagiellonian University Medical College, Cracow
| | | | - Michał Wysocki
- Department of General Surgery and Surgical Oncology, Ludwik Rydygier Memorial Hospital
| | - Marian Domurat
- Department of Oncological Surgery, Regional Oncological Center, Białystok, Poland
| | - Jerzy Mielko
- Department of Surgical Oncology, Medical University of Lublin, Lublin
| | - Stanisław Pierściński
- Department of General and Endocrine Surgery, Nicolaus Copernicus University Collegium Medicum, Bydgoszcz
| | - Piotr Hogendorf
- Department of General and Transplant Surgery, Medical University of Łódź, Barlicki Teaching Hospital, Łódź
| | - Łukasz Masior
- Department of General Transplant and Liver Surgery
- Department of General, Vascular and Oncological Surgery, Medical University of Warsaw, Warsaw
| | | | - Mateusz Wierdak
- 2nd Department of General Surgery, Jagiellonian University Medical College, Cracow
| | - Mariusz Frączek
- Department of General, Vascular and Oncological Surgery, Medical University of Warsaw, Warsaw
| | - Aleksander Tarasik
- Department of Oncological Surgery, Regional Oncological Center, Białystok, Poland
| | | | - Andrzej Budzyński
- Department of General Surgery and Surgical Oncology, Ludwik Rydygier Memorial Hospital
| | - Michał Pędziwiatr
- 2nd Department of General Surgery, Jagiellonian University Medical College, Cracow
| | - Michał Grąt
- Department of General Transplant and Liver Surgery
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7
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Kikuchi K, Nitta H, Umemura A, Katagiri H, Kanno S, Takeda D, Ando T, Amano S, Sasaki A. Risk-Adjusted Assessment of the Learning Curve for Pure Laparoscopic Donor Hepatectomy for Adult Recipients. World J Surg 2023; 47:2488-2498. [PMID: 37326677 DOI: 10.1007/s00268-023-07089-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/28/2023] [Indexed: 06/17/2023]
Abstract
BACKGROUND Studies on pure laparoscopic donor hepatectomy (PLDH) have been reported. However, only few studies have reported on the learning curve of PLDH. In this report, we aimed to determine the learning curve of PLDH in adult patients using cumulative sum (CUSUM) and risk-adjusted CUSUM (RA-CUSUM) analyses. METHODS The data of donors who underwent PLDH at a single center between December 2012 and May 2022 were retrospectively reviewed. The learning curve was evaluated using the CUSUM and RA-CUSUM methods based on surgery duration. RESULTS Forty-eight patients were finally included in the present study. The mean operation time was 393.6 ± 80.3 min. PLDH was converted to laparotomy in three cases (6.3%). According to the Clavien-Dindo classification, nine cases (18.8%) had higher-than-grade III postoperative complications and the most frequent complications were biliary complications. The CUSUM graph shows two peaks, at the 13th and 27th case. The multivariate analysis revealed that a body mass index ≥ 23 kg/m2 and intraoperative cholangiography were the only factors that were independently associated with longer operation time. Based on these results, an RA-CUSUM analysis was performed to assess the learning curve, which showed a decrease in the learning curve after 33 to 34 PLDH procedures. CONCLUSIONS A learning curve effect was demonstrated in this study after 33 to 34 PLDH procedures. There are relatively many biliary complications, and it is necessary to further examine the method of bile duct transection.
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Affiliation(s)
- Koji Kikuchi
- Department of Surgery, Iwate Medical University, 2-1-1 Idaidori, Yahaba, Iwate, 028-3695, Japan.
| | - Hiroyuki Nitta
- Department of Surgery, Iwate Medical University, 2-1-1 Idaidori, Yahaba, Iwate, 028-3695, Japan
| | - Akira Umemura
- Department of Surgery, Iwate Medical University, 2-1-1 Idaidori, Yahaba, Iwate, 028-3695, Japan
| | - Hirokatsu Katagiri
- Department of Surgery, Iwate Medical University, 2-1-1 Idaidori, Yahaba, Iwate, 028-3695, Japan
| | - Shoji Kanno
- Department of Surgery, Iwate Medical University, 2-1-1 Idaidori, Yahaba, Iwate, 028-3695, Japan
| | - Daiki Takeda
- Department of Surgery, Iwate Medical University, 2-1-1 Idaidori, Yahaba, Iwate, 028-3695, Japan
| | - Taro Ando
- Department of Surgery, Iwate Medical University, 2-1-1 Idaidori, Yahaba, Iwate, 028-3695, Japan
| | - Satoshi Amano
- Department of Surgery, Iwate Medical University, 2-1-1 Idaidori, Yahaba, Iwate, 028-3695, Japan
| | - Akira Sasaki
- Department of Surgery, Iwate Medical University, 2-1-1 Idaidori, Yahaba, Iwate, 028-3695, Japan
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8
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Coelho FF, Herman P, Kruger JAP, Wu AGR, Chin KM, Hasegawa K, Zhang W, Alzoubi M, Aghayan DL, Siow TF, Scatton O, Kingham TP, Marino MV, Mazzaferro V, Chiow AKH, Sucandy I, Ivanecz A, Choi SH, Lee JH, Gastaca M, Vivarelli M, Giuliante F, Ruzzenente A, Yong CC, Dokmak S, Fondevila C, Efanov M, Morise Z, Di Benedetto F, Brustia R, Valle RD, Boggi U, Geller D, Belli A, Memeo R, Gruttadauria S, Mejia A, Park JO, Rotellar F, Choi GH, Robles-Campos R, Wang X, Sutcliffe RP, Pratschke J, Lai ECH, Chong CCN, D'Hondt M, Monden K, Lopez-Ben S, Liu R, Ferrero A, Ettorre GM, Cipriani F, Cherqui D, Liang X, Soubrane O, Wakabayashi G, Troisi RI, Yin M, Cheung TT, Sugioka A, Han HS, Long TCD, Fuks D, Abu Hilal M, Chen KH, Aldrighetti L, Edwin B, Goh BKP. Impact of liver cirrhosis, the severity of cirrhosis, and portal hypertension on the outcomes of minimally invasive left lateral sectionectomies for primary liver malignancies. Surgery 2023; 174:581-592. [PMID: 37301612 PMCID: PMC10986843 DOI: 10.1016/j.surg.2023.04.057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Revised: 04/08/2023] [Accepted: 04/27/2023] [Indexed: 06/12/2023]
Abstract
BACKGROUND The impact of cirrhosis and portal hypertension on perioperative outcomes of minimally invasive left lateral sectionectomies remains unclear. We aimed to compare the perioperative outcomes between patients with preserved and compromised liver function (noncirrhotics versus Child-Pugh A) when undergoing minimally invasive left lateral sectionectomies. In addition, we aimed to determine if the extent of cirrhosis (Child-Pugh A versus B) and the presence of portal hypertension had a significant impact on perioperative outcomes. METHODS This was an international multicenter retrospective analysis of 1,526 patients who underwent minimally invasive left lateral sectionectomies for primary liver malignancies at 60 centers worldwide between 2004 and 2021. In the study, 1,370 patients met the inclusion criteria and formed the final study group. Baseline clinicopathological characteristics and perioperative outcomes of these patients were compared. To minimize confounding factors, 1:1 propensity score matching and coarsened exact matching were performed. RESULTS The study group comprised 559, 753, and 58 patients who did not have cirrhosis, Child-Pugh A, and Child-Pugh B cirrhosis, respectively. Six-hundred and thirty patients with cirrhosis had portal hypertension, and 170 did not. After propensity score matching and coarsened exact matching, Child-Pugh A patients with cirrhosis undergoing minimally invasive left lateral sectionectomies had longer operative time, higher intraoperative blood loss, higher transfusion rate, and longer hospital stay than patients without cirrhosis. The extent of cirrhosis did not significantly impact perioperative outcomes except for a longer duration of hospital stay. CONCLUSION Liver cirrhosis adversely affected the intraoperative technical difficulty and perioperative outcomes of minimally invasive left lateral sectionectomies.
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Affiliation(s)
- Fabricio Ferreira Coelho
- Department of Gastroenterology, Liver Surgery Unit, University of Sao Paulo School of Medicine, Sao Paulo, Brazil
| | - Paulo Herman
- Department of Gastroenterology, Liver Surgery Unit, University of Sao Paulo School of Medicine, Sao Paulo, Brazil
| | - Jaime A P Kruger
- Department of Gastroenterology, Liver Surgery Unit, University of Sao Paulo School of Medicine, Sao Paulo, Brazil
| | - Andrew G R Wu
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Ken-Min Chin
- Department of Hepatopancreatobiliary and Transplant Surgery, Singapore General Hospital and National Cancer Centre Singapore, Singapore
| | - Kiyoshi Hasegawa
- Hepato-Biliary-Pancreatic Surgery Division, Department of Surgery, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Wanguang Zhang
- Hepatic Surgery Center and Hubei Key Laboratory of Hepato-Biliary-Pancreatic Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | | | - Davit L Aghayan
- The Intervention Centre and Department of HPB Surgery, Oslo University Hospital, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Tiing-Foong Siow
- Division of General Surgery, Department of Surgery, Far Eastern Memorial Hospital, New Taipei City, Taiwan
| | - Olivier Scatton
- Department of Digestive, HBP and Liver Transplantation, Hopital Pitie-Salpetriere, Sorbonne Universite, Paris, France
| | - T Peter Kingham
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Marco V Marino
- General Surgery Department, Azienda Ospedaliera Ospedali Riuniti Villa Sofia-Cervello, Palermo, Italy and General Surgery Department, F Tappeiner Hospital, Merano, Italy
| | - Vincenzo Mazzaferro
- HPB Surgery and Liver Transplantation, Fondazione IRCCS Istituto Nazionale Tumori di Milano and University of Milan, Italy
| | - Adrian K H Chiow
- Hepatopancreatobiliary Unit, Department of Surgery, Changi General Hospital, Singapore
| | | | - Arpad Ivanecz
- Department of Abdominal and General Surgery, University Medical Center Maribor, Maribor, Slovenia
| | - Sung Hoon Choi
- Department of General Surgery, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam, Korea
| | - Jae Hoon Lee
- Department of Surgery, Division of Hepato-Biliary and Pancreatic Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Mikel Gastaca
- Hepatobiliary Surgery and Liver Transplantation Unit, Biocruces Bizkaia Health Research Institute, Cruces University Hospital, University of the Basque Country, Bilbao, Spain
| | - Marco Vivarelli
- HPB Surgery and Transplantation Unit, United Hospital of Ancona, Department of Experimental and Clinical Medicine Polytechnic University of Marche, Ancona, Italy
| | - Felice Giuliante
- Hepatobiliary Surgery Unit, Fondazione Policlinico Universitario A. Gemelli, IRCCS, Catholic University of the Sacred Heart, Rome, Italy
| | - Andrea Ruzzenente
- General and Hepatobiliary Surgery, Department of Surgery, Dentistry, Gynecology and Pediatrics University of Verona, GB Rossi Hospital, Verona, Italy
| | - Chee-Chien Yong
- Department of Surgery, Chang Gung Memorial Hospital, Kaohsiung, Taiwan
| | - Safi Dokmak
- Department of HPB Surgery and Liver Transplantation, Beaujon Hospital, University Paris Cite, Clichy, France
| | - Constantino Fondevila
- General and Digestive Surgery, Hospital Clinic, IDIBAPS, CIBERehd, University of Barcelona, Barcelona, Spain and General and Digestive Surgery, Hospital Universitario La Paz, IdiPAZ, CIBERehd, Madrid, Spain
| | - Mikhail Efanov
- Department of Hepato-Pancreato-Biliary Surgery, Moscow Clinical Scientific Center, Moscow, Russia
| | - Zenichi Morise
- Department of Surgery, Okazaki Medical Center, Fujita Health University School of Medicine, Okazaki, Japan
| | - Fabrizio Di Benedetto
- HPB Surgery and Liver Transplant Unit, University of Modena and Reggio Emilia, Modena, Italy
| | - Raffaele Brustia
- Department of Digestive and Hepatobiliary and Pancreatic Surgery, AP-HP, Henri-Mondor Hospital, Creteil, France
| | - Raffaele Dalla Valle
- Hepatobiliary Surgery Unit, Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Ugo Boggi
- Division of General and Transplant Surgery, University of Pisa, Pisa, Italy
| | - David Geller
- Department of Surgery, Division of Hepatobiliary and Pancreatic Surgery, University of Pittsburgh Medical Center, PA, USA
| | - Andrea Belli
- Department of Abdominal Oncology, Division of Hepatopancreatobiliary Surgical Oncology, National Cancer Center-IRCCS-G. Pascale, Naples, Italy
| | - Riccardo Memeo
- Unit of Hepato-Pancreatc-Biliary Surgery, "F. Miulli" General Regional Hospital, Acquaviva delle Fonti, Bari, Italy
| | - Salvatore Gruttadauria
- Department for the Treatment and Study of Abdominal Diseases and Abdominal Transplantation, Istituto di Ricovero e Cura a Carattere Scientifico-Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione (IRCCS-ISMETT), University of Pittsburgh Medical Center Italy, Palermo, Italy; Department of General Surgery and Medical Surgical Specialties, University of Catania, Italy
| | | | - James O Park
- Department of Surgery, University of Washington Medical Center, Seattle, WA
| | - Fernando Rotellar
- HPB and Liver Transplant Unit, Department of General Surgery, Clinica Universidad de Navarra, Universidad de Navarra, Pamplona, Spain & Institute of Health Research of Navarra (IdisNA), Pamplona, Spain
| | - Gi Hong Choi
- Division of Hepatopancreatobiliary Surgery, Department of Surgery, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Ricardo Robles-Campos
- Department of General, Visceral and Transplantation Surgery, Clinic and University Hospital Virgen de la Arrixaca, IMIB-ARRIXACA, El Palmar, Murcia, Spain
| | - Xiaoying Wang
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Robert P Sutcliffe
- Department of Hepatopancreatobiliary and Liver Transplant Surgery, University Hospitals Birmingham NHS Foundation Trust, United Kingdom
| | - Johann Pratschke
- Department of Surgery, Campus Charité Mitte and Campus Virchow-Klinikum, Charité-Universitätsmedizin, Corporate Member of Freie Universität Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Eric C H Lai
- Department of Surgery, Pamela Youde Nethersole Eastern Hospital, Hong Kong SAR, China
| | - Charing C N Chong
- Department of Surgery, Prince of Wales Hospital, The Chinese University of Hong Kong, New Territories, China
| | - Mathieu D'Hondt
- Department of Digestive and Hepatobiliary/Pancreatic Surgery, Groeninge Hospital, Kortrijk, Belgium
| | - Kazuteru Monden
- Department of Surgery, Fukuyama City Hospital, Hiroshima, Japan
| | - Santiago Lopez-Ben
- Hepatobiliary and Pancreatic Surgery Unit, Department of Surgery, Dr. Josep Trueta Hospital, IdIBGi, Girona, Spain
| | - Rong Liu
- Faculty of Hepatopancreatobiliary Surgery, the First Medical Center of Chinese People's Liberation Army (PLA) General Hospital, Beijing, China
| | - Alessandro Ferrero
- Department of General and Oncological Surgery, Mauriziano Hospital, Turin, Italy
| | - Giuseppe Maria Ettorre
- Division of General Surgery and Liver Transplantation, San Camillo Forlanini Hospital, Rome, Italy
| | - Federica Cipriani
- Hepatobiliary Surgery Division, IRCCS San Raffaele Hospital, Milan, Italy
| | - Daniel Cherqui
- Department of Hepatobiliary Surgery, Assistance Publique Hopitaux de Paris, Centre Hepato-Biliaire, Paul-Brousse Hospital, Villejuif, France
| | - Xiao Liang
- Department of General Surgery, Sir Run-Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Olivier Soubrane
- Department of Digestive, Oncologic and Metabolic Surgery, Institute Mutualiste Montsouris, Universite Paris Descartes, Paris, France
| | - Go Wakabayashi
- Center for Advanced Treatment of Hepatobiliary and Pancreatic Diseases, Ageo Central General Hospital, Saitama, Japan
| | - Roberto I Troisi
- Department of Clinical Medicine and Surgery, Division of HPB, Minimally Invasive and Robotic Surgery, Federico II University Hospital, Naples, Italy
| | - Mengqiu Yin
- Department of Hepatobiliary Surgery, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, China
| | - Tan-To Cheung
- Department of Surgery, Queen Mary Hospital, The University of Hong Kong, China
| | - Atsushi Sugioka
- Department of Surgery, Fujita Health University School of Medicine, Aichi, Japan
| | - Ho-Seong Han
- Department of Surgery, Seoul National University Hospital Bundang, Seoul National University College of Medicine, Seoul, Korea
| | - Tran Cong Duy Long
- Department of Hepatopancreatobiliary Surgery, University Medical Center, University of Medicine and Pharmacy, Ho Chi Minh City, Vietnam
| | - David Fuks
- Department of Digestive, Oncologic and Metabolic Surgery, Institute Mutualiste Montsouris, Universite Paris Descartes, Paris, France
| | - Mohammad Abu Hilal
- Department of Surgery, Fondazione Poliambulanza, Brescia, Italy; Department of Surgery, University Hospital Southampton, Southampton, United Kingdom
| | - Kuo-Hsin Chen
- Division of General Surgery, Department of Surgery, Far Eastern Memorial Hospital, New Taipei City, Taiwan
| | - Luca Aldrighetti
- Hepatobiliary Surgery Division, IRCCS San Raffaele Hospital, Milan, Italy
| | - Bjørn Edwin
- The Intervention Centre and Department of HPB Surgery, Oslo University Hospital, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Brian K P Goh
- Department of Hepatopancreatobiliary and Transplant Surgery, Singapore General Hospital and National Cancer Centre Singapore, Singapore; Duke National University of Singapore Medical School, Singapore.
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9
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Wang J, Chen Y, Xia S, Qin X, Liu S, Ren H. Investigations of robotics and laparoscopy in minimally invasive hepatectomy. BIOMEDICAL TECHNOLOGY 2023; 3:11-17. [DOI: 10.1016/j.bmt.2022.12.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/31/2023]
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10
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Montalti R, Giglio MC, Wu AGR, Cipriani F, D'Silva M, Suhool A, Nghia PP, Kato Y, Lim C, Herman P, Coelho FF, Schmelzle M, Pratschke J, Aghayan DL, Liu Q, Marino MV, Belli A, Chiow AKH, Sucandy I, Ivanecz A, Di Benedetto F, Choi SH, Lee JH, Park JO, Prieto M, Guzman Y, Fondevila C, Efanov M, Rotellar F, Choi GH, Robles-Campos R, Wang X, Sutcliffe RP, Tang CN, Chong CC, D'Hondt M, Dalla Valle B, Ruzzenente A, Kingham TP, Scatton O, Liu R, Mejia A, Mishima K, Wakabayashi G, Lopez-Ben S, Pascual F, Cherqui D, Forchino F, Ferrero A, Ettorre GM, Levi Sandri GB, Sugioka A, Edwin B, Cheung TT, Long TCD, Abu Hilal M, Aldrighetti L, Fuks D, Han HS, Troisi RI, Goh BKP. Risk Factors and Outcomes of Open Conversion During Minimally Invasive Major Hepatectomies: An International Multicenter Study on 3880 Procedures Comparing the Laparoscopic and Robotic Approaches. Ann Surg Oncol 2023; 30:4783-4796. [PMID: 37202573 DOI: 10.1245/s10434-023-13525-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Accepted: 02/27/2023] [Indexed: 05/20/2023]
Abstract
INTRODUCTION Despite the advances in minimally invasive (MI) liver surgery, most major hepatectomies (MHs) continue to be performed by open surgery. This study aimed to evaluate the risk factors and outcomes of open conversion during MI MH, including the impact of the type of approach (laparoscopic vs. robotic) on the occurrence and outcomes of conversions. METHODS Data on 3880 MI conventional and technical (right anterior and posterior sectionectomies) MHs were retrospectively collected. Risk factors and perioperative outcomes of open conversion were analyzed. Multivariate analysis, propensity score matching, and inverse probability treatment weighting analysis were performed to control for confounding factors. RESULTS Overall, 3211 laparoscopic MHs (LMHs) and 669 robotic MHs (RMHs) were included, of which 399 (10.28%) had an open conversion. Multivariate analyses demonstrated that male sex, laparoscopic approach, cirrhosis, previous abdominal surgery, concomitant other surgery, American Society of Anesthesiologists (ASA) score 3/4, larger tumor size, conventional MH, and Institut Mutualiste Montsouris classification III procedures were associated with an increased risk of conversion. After matching, patients requiring open conversion had poorer outcomes compared with non-converted cases, as evidenced by the increased operation time, blood transfusion rate, blood loss, hospital stay, postoperative morbidity/major morbidity and 30/90-day mortality. Although RMH showed a decreased risk of conversion compared with LMH, converted RMH showed increased blood loss, blood transfusion rate, postoperative major morbidity and 30/90-day mortality compared with converted LMH. CONCLUSIONS Multiple risk factors are associated with conversion. Converted cases, especially those due to intraoperative bleeding, have unfavorable outcomes. Robotic assistance seemed to increase the feasibility of the MI approach, but converted robotic procedures showed inferior outcomes compared with converted laparoscopic procedures.
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Affiliation(s)
- Roberto Montalti
- Department of Clinical Medicine and Surgery, Division of HPB, Minimally Invasive and Robotic Surgery, Federico II University Hospital Naples, Naples, Italy
| | - Mariano Cesare Giglio
- Department of Clinical Medicine and Surgery, Division of HPB, Minimally Invasive and Robotic Surgery, Federico II University Hospital Naples, Naples, Italy
| | - Andrew G R Wu
- Department of Hepatopancreatobiliary and Transplant Surgery, Singapore General Hospital/National Cancer Centre Singapore and Ministry of Health Holdings, Singapore, Singapore
| | - Federica Cipriani
- Hepatobiliary Surgery Division, IRCCS San Raffaele Hospital, Milan, Italy
| | - Mizelle D'Silva
- Department of Surgery, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Amal Suhool
- Department of Surgery, Fondazione Poliambulanza, Brescia, Italy
| | - Phan Phuoc Nghia
- Department of Hepatopancreatobiliary Surgery, University Medical Center, University of Medicine and Pharmacy, Ho Chi Minh City, Vietnam
| | - Yutaro Kato
- Department of Surgery, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
| | - Chetana Lim
- Department of Digestive, HBP and Liver Transplantation, Hopital Pitie-Salpetriere, Sorbonne Universite, Paris, France
| | - Paulo Herman
- Liver Surgery Unit, Department of Gastroenterology, University of Sao Paulo School of Medicine, Sao Paulo, Brazil
| | - Fabricio Ferreira Coelho
- Liver Surgery Unit, Department of Gastroenterology, University of Sao Paulo School of Medicine, Sao Paulo, Brazil
| | - Moritz Schmelzle
- Department of Surgery, Campus Charité Mitte and Campus Virchow-Klinikum, Charité-Universitätsmedizin, Corporate Member of Freie Universität Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Johann Pratschke
- Department of Surgery, Campus Charité Mitte and Campus Virchow-Klinikum, Charité-Universitätsmedizin, Corporate Member of Freie Universität Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Davit L Aghayan
- The Intervention Centre and Department of HPB Surgery, Oslo University Hospital, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Qiu Liu
- Faculty of Hepatopancreatobiliary Surgery, The First Medical Center of Chinese People's Liberation Army (PLA) General Hospital, Beijing, China
| | - Marco V Marino
- General Surgery Department, Azienda Ospedaliera Ospedali Riuniti Villa Sofia-Cervello, and Oncologic Surgery Department, P. Giaccone University Hospital, Palermo, Italy
| | - Andrea Belli
- Division of Hepatopancreatobiliary Surgical Oncology, Department of Abdominal Oncology, National Cancer Center - IRCCS-G, Pascale, Naples, Italy
| | - Adrian K H Chiow
- Hepatopancreatobiliary Unit, Department of Surgery, Changi General Hospital, Singapore, Singapore
| | - Iswanto Sucandy
- AdventHealth Tampa, Digestive Health Institute, Tampa, FL, USA
| | - Arpad Ivanecz
- Department of Abdominal and General Surgery, University Medical Center Maribor, Maribor, Slovenia
| | - Fabrizio Di Benedetto
- HPB Surgery and Liver Transplant Unit, University of Modena and Reggio Emilia, Modena, Italy
| | - Sung Hoon Choi
- Department of General Surgery, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam, Korea
| | - Jae Hoon Lee
- Department of Surgery, Division of Hepato-Biliary and Pancreatic Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - James O Park
- Department of Surgery, University of Washington Medical Center, Seattle, WA, USA
| | - Mikel Prieto
- Hepatobiliary Surgery and Liver Transplantation Unit, Biocruces Bizkaia Health Research Institute, Cruces University Hospital, University of the Basque Country, Bilbao, Spain
| | - Yoelimar Guzman
- General and Digestive Surgery, Hospital Clinic, IDIBAPS, CIBERehd, University of Barcelona, Barcelona, Spain
| | - Constantino Fondevila
- General and Digestive Surgery, Hospital Clinic, IDIBAPS, CIBERehd, University of Barcelona, Barcelona, Spain
- General and Digestive Surgery, Hospital Universitario La Paz, IdiPAZ, CIBERehd, Madrid, Spain
| | - Mikhail Efanov
- Department of Hepato-Pancreato-Biliary Surgery, Moscow Clinical Scientific Center, Moscow, Russia
| | - Fernando Rotellar
- HPB and Liver Transplant Unit, Department of General Surgery, Clinica Universidad de Navarra, Universidad de Navarra and Institute of Health Research of Navarra (IdisNA), Pamplona, Spain
| | - Gi-Hong Choi
- Division of Hepatopancreatobiliary Surgery, Department of Surgery, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Ricardo Robles-Campos
- Department of General, Visceral and Transplantation Surgery, Clinic and University Hospital Virgen de la Arrixaca, IMIB-ARRIXACA, El Palmar, Murcia, Spain
| | - Xiaoying Wang
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Robert P Sutcliffe
- Department of Hepatopancreatobiliary and Liver Transplant Surgery, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
| | - Chung Ngai Tang
- Department of Surgery, Pamela Youde Nethersole Eastern Hospital, Hong Kong, SAR, China
| | - Charing C Chong
- Department of Surgery, Prince of Wales Hospital, The Chinese University of Hong Kong, New Territories, Hong Kong, SAR, China
| | - Mathieu D'Hondt
- Department of Digestive and Hepatobiliary/Pancreatic Surgery, Groeninge Hospital, Kortrijk, Belgium
| | - Bernardo Dalla Valle
- General and Hepatobiliary Surgery, Department of Surgery, Dentistry, Gynecology and Pediatrics University of Verona, GB Rossi Hospital, Verona, Italy
| | - Andrea Ruzzenente
- General and Hepatobiliary Surgery, Department of Surgery, Dentistry, Gynecology and Pediatrics University of Verona, GB Rossi Hospital, Verona, Italy
| | - T Peter Kingham
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Olivier Scatton
- Department of Digestive, HBP and Liver Transplantation, Hopital Pitie-Salpetriere, Sorbonne Universite, Paris, France
| | - Rong Liu
- Faculty of Hepatopancreatobiliary Surgery, The First Medical Center of Chinese People's Liberation Army (PLA) General Hospital, Beijing, China
| | - Alejandro Mejia
- The Liver Institute, Methodist Dallas Medical Center, Dallas, TX, USA
| | - Kohei Mishima
- Center for Advanced Treatment of Hepatobiliary and Pancreatic Diseases, Ageo Central General Hospital, Saitama, Japan
| | - Go Wakabayashi
- Center for Advanced Treatment of Hepatobiliary and Pancreatic Diseases, Ageo Central General Hospital, Saitama, Japan
| | - Santiago Lopez-Ben
- Hepatobiliary and Pancreatic Surgery Unit, Department of Surgery, Dr. Josep Trueta Hospital, IdIBGi, Girona, Spain
| | - Franco Pascual
- Department of Hepatobiliary Surgery, Assistance Publique Hopitaux de Paris, Centre Hepato-Biliaire, Paul-Brousse Hospital, Villejuif, France
| | - Daniel Cherqui
- Department of Hepatobiliary Surgery, Assistance Publique Hopitaux de Paris, Centre Hepato-Biliaire, Paul-Brousse Hospital, Villejuif, France
| | - Fabio Forchino
- Department of General and Oncological Surgery, Mauriziano Hospital, Turin, Italy
| | - Alessandro Ferrero
- Department of General and Oncological Surgery, Mauriziano Hospital, Turin, Italy
| | - Giuseppe Maria Ettorre
- Division of General Surgery and Liver Transplantation, San Camillo Forlanini Hospital, Rome, Italy
| | | | - Atsushi Sugioka
- Department of Surgery, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
| | - Bjørn Edwin
- The Intervention Centre and Department of HPB Surgery, Oslo University Hospital, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Tan-To Cheung
- Department of Surgery, Queen Mary Hospital, The University of Hong Kong, Hong Kong, SAR, China
| | - Tran Cong Duy Long
- Department of Hepatopancreatobiliary Surgery, University Medical Center, University of Medicine and Pharmacy, Ho Chi Minh City, Vietnam
| | - Mohammad Abu Hilal
- Department of Surgery, University Hospital Southampton, Southampton, UK
- Department of Surgery, Fondazione Poliambulanza, Brescia, Italy
| | - Luca Aldrighetti
- Hepatobiliary Surgery Division, IRCCS San Raffaele Hospital, Milan, Italy
| | - David Fuks
- Department of Digestive, Oncologic and Metabolic Surgery, Institute Mutualiste Montsouris, Universite Paris Descartes, Paris, France
| | - Ho-Seong Han
- Department of Surgery, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Roberto I Troisi
- Department of Clinical Medicine and Surgery, Division of HPB, Minimally Invasive and Robotic Surgery, Federico II University Hospital Naples, Naples, Italy.
| | - Brian K P Goh
- Department of Hepatopancreatobiliary and Transplant Surgery, Singapore General Hospital and National Cancer Centre Singapore, Singapore, Singapore.
- Surgery Academic Clinical Programme, Duke National University Singapore Medical School, Singapore, Singapore.
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Nakada S, Otsuka Y, Ishii J, Maeda T, Kimura K, Matsumoto Y, Ito Y, Shimada H, Funahashi K, Ohtsuka M, Kaneko H. The Outcome of Conversion to Hand-Assisted Laparoscopic Surgery in Laparoscopic Liver Resection. J Clin Med 2023; 12:4808. [PMID: 37510923 PMCID: PMC10381672 DOI: 10.3390/jcm12144808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 07/07/2023] [Accepted: 07/16/2023] [Indexed: 07/30/2023] Open
Abstract
BACKGROUND Hand-assisted laparoscopic surgery (HALS) is known as a useful option. However, the outcome and predictor of conversion to HALS in laparoscopic liver resection (LLR) are unclear. METHODS Data from consecutive patients who planned pure LLR between 2011 and 2020 were retrospectively reviewed. Univariate and multivariate analyses were performed and compared pure LLR, HALS, and converted open liver resection (OLR). RESULTS Among the 169 LLRs, conversion to HALS was performed in 19 (11.2%) and conversion to OLR in 16 (9.5%). The most frequent reasons for conversion to HALS were failure to progress (11 cases). Subsequently, bleeding (3 cases), severe adhesion (2 cases), and oncological factors (2 cases) were the reasons. In the multivariable analysis, the tumor located in segments 7 or 8 (p = 0.002) was evaluated as a predictor of conversion to HALS. Pure LLR and HALS were associated with less blood loss than conversion to OLR (p = 0.005 and p = 0.014, respectively). However, there was no significant difference in operation time, hospital stay, or severe complications. CONCLUSIONS The predictor of conversion to HALS was a tumor located in segments 7 or 8. The outcome of conversion to HALS was not inferior to pure LLR in terms of bleeding, operation time, hospital stay, or severe complication.
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Affiliation(s)
- Shinichiro Nakada
- Division of General and Gastroenterological Surgery, Department of Surgery, Toho University Faculty of Medicine, 6-11-1, Omorinishi, Otaku, Tokyo 143-8541, Japan
- Department of General Surgery, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan
| | - Yuichiro Otsuka
- Division of General and Gastroenterological Surgery, Department of Surgery, Toho University Faculty of Medicine, 6-11-1, Omorinishi, Otaku, Tokyo 143-8541, Japan
| | - Jun Ishii
- Division of General and Gastroenterological Surgery, Department of Surgery, Toho University Faculty of Medicine, 6-11-1, Omorinishi, Otaku, Tokyo 143-8541, Japan
| | - Tetsuya Maeda
- Division of General and Gastroenterological Surgery, Department of Surgery, Toho University Faculty of Medicine, 6-11-1, Omorinishi, Otaku, Tokyo 143-8541, Japan
| | - Kazutaka Kimura
- Division of General and Gastroenterological Surgery, Department of Surgery, Toho University Faculty of Medicine, 6-11-1, Omorinishi, Otaku, Tokyo 143-8541, Japan
| | - Yu Matsumoto
- Division of General and Gastroenterological Surgery, Department of Surgery, Toho University Faculty of Medicine, 6-11-1, Omorinishi, Otaku, Tokyo 143-8541, Japan
| | - Yuko Ito
- Division of General and Gastroenterological Surgery, Department of Surgery, Toho University Faculty of Medicine, 6-11-1, Omorinishi, Otaku, Tokyo 143-8541, Japan
| | - Hideaki Shimada
- Division of General and Gastroenterological Surgery, Department of Surgery, Toho University Faculty of Medicine, 6-11-1, Omorinishi, Otaku, Tokyo 143-8541, Japan
| | - Kimihiko Funahashi
- Division of General and Gastroenterological Surgery, Department of Surgery, Toho University Faculty of Medicine, 6-11-1, Omorinishi, Otaku, Tokyo 143-8541, Japan
| | - Masayuki Ohtsuka
- Department of General Surgery, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan
| | - Hironori Kaneko
- Division of General and Gastroenterological Surgery, Department of Surgery, Toho University Faculty of Medicine, 6-11-1, Omorinishi, Otaku, Tokyo 143-8541, Japan
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Shima T, Arita A, Sugimoto S, Takayama S, Yamamoto M, Lee SW, Okuda J. Feasibility and learning curve for robotic surgery in a small hospital: A retrospective cohort study. Medicine (Baltimore) 2023; 102:e34010. [PMID: 37335658 DOI: 10.1097/md.0000000000034010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/21/2023] Open
Abstract
Robotic surgery rates, typified by the use of the da Vinci Surgical System, have increased in recent years. However, robotic surgery is mostly performed in large hospitals and has not been fully implemented in small hospitals. Therefore, we aimed to verify the feasibility of robotic surgery in small hospitals and verify the number of cases in which perioperative preparation for robotic surgery is stable by creating a learning curve in small hospitals. Forty robot-assisted rectal cancer surgeries performed in large and small hospitals by a surgeon with extensive experience in robotic surgery were validated. Draping and docking times were recorded as perioperative preparation times. Unexpected surgical interruptions, intraoperative adverse events, conversion to laparoscopic or open surgery, and postoperative complications were recorded. Cumulative sum analysis was used to derive the learning curve for perioperative preparation time. Draping times were significantly longer in the small hospital group (7 vs 10 minutes, P = .0002), while docking times were not significantly different (12 vs 13 minutes, P = .098). Surgical interruptions, intraoperative adverse events, and conversions were not observed in either group. There were no significant differences in the incidence of severe complications (25% [5/20] vs 5% [1/20], P = .184). In the small hospital group, phase I of the draping learning curve was completed in 4 cases, while phase I of the docking learning curve was completed in 7 cases. Robotic surgery is feasible for small hospitals, and the preoperative preparation time required for robotic surgery stabilizes relatively early.
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Affiliation(s)
- Takafumi Shima
- Minimally Invasive and Robot Surgery Center, Toyonaka Keijinkai Hospital, Shoji, Toyonaka-shi, Osaka, Japan
- Department of General and Gastroenterological Surgery, Osaka Medical and Pharmaceutical University, Daigaku-machi, Takatsuki-shi, Osaka, Japan
| | - Asami Arita
- Minimally Invasive and Robot Surgery Center, Toyonaka Keijinkai Hospital, Shoji, Toyonaka-shi, Osaka, Japan
| | - Satoshi Sugimoto
- Minimally Invasive and Robot Surgery Center, Toyonaka Keijinkai Hospital, Shoji, Toyonaka-shi, Osaka, Japan
| | - Shoichi Takayama
- Minimally Invasive and Robot Surgery Center, Toyonaka Keijinkai Hospital, Shoji, Toyonaka-shi, Osaka, Japan
| | - Masashi Yamamoto
- Minimally Invasive and Robot Surgery Center, Toyonaka Keijinkai Hospital, Shoji, Toyonaka-shi, Osaka, Japan
| | - Sang-Woong Lee
- Department of General and Gastroenterological Surgery, Osaka Medical and Pharmaceutical University, Daigaku-machi, Takatsuki-shi, Osaka, Japan
| | - Junji Okuda
- Minimally Invasive and Robot Surgery Center, Toyonaka Keijinkai Hospital, Shoji, Toyonaka-shi, Osaka, Japan
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13
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Fujikawa T, Uemoto Y, Matsuoka T. The Impact of Modified Two-Surgeon Technique for Laparoscopic Liver Resection on the Training of Surgeons-in-Training. Cureus 2023; 15:e38865. [PMID: 37313109 PMCID: PMC10260271 DOI: 10.7759/cureus.38865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/11/2023] [Indexed: 06/15/2023] Open
Abstract
Introduction Although laparoscopic liver resection (LLR) has gained widespread acceptance over the last decade, it is associated with a much steeper learning curve than other laparoscopic procedures. We currently perform a modified two-surgeon technique for LLR. We assessed the effect of our LLR technique on the surgical outcome and the learning curve of surgeons-in-training when pure non-anatomical LLR was performed. Methods Between 2017 and 2021, 118 LLRs were conducted at our institution, 42 of which were pure non-anatomical LLRs performed by five surgeons-in-training (with a career of 6-13 years). The perioperative outcomes of these cases were compared to those performed by the board-certified attending surgeon. Regarding the learning curve of surgeons-in-training, the duration of operation was used as an index of the proficiency level, and the number of surgical cases in which the surgeons reached the median duration of operation was examined. Results Mortality was zero, and neither postoperative bleeding nor bile leak was experienced in the whole cohort. There were no differences between surgeons-in-training and the board-certified surgeon in the duration of the operation, intraoperative blood loss, rate of postoperative complications, or length of postoperative stay (LOS). Among the operations performed by five surgeons-in-training, the rate of LLR with a difficulty score of 4 or higher was 52% (30%-75%). Concerning the learning curve, all five surgeons-in-training gradually shortened the duration of operation for each additional case and reached the median duration (218 minutes) by experiencing a median of five cases (3-8 cases). Conclusion A modified two-surgeon technique during LLR is feasible, with a relatively low number of cases (five cases) required to shorten the duration of operation in non-anatomical LLR. This technique is safe and beneficial to the education of surgeons-in-training.
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Hoerger K, Hue JJ, Elshami M, Ammori JB, Hardacre JM, Winter JM, Ocuin LM. Facility Volume Thresholds for Optimization of Short- and Long-Term Outcomes in Patients Undergoing Hepatectomy for Primary Liver Tumors. J Gastrointest Surg 2023; 27:273-282. [PMID: 36443556 DOI: 10.1007/s11605-022-05541-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2022] [Accepted: 11/13/2022] [Indexed: 11/30/2022]
Abstract
BACKGROUND Volume-outcome relationships have been described for a variety of surgical procedures. We aimed to define the facility volume threshold at which postoperative mortality after hepatectomy was optimal. METHODS We determined volume percentiles for institutions performing hepatectomy for any primary liver tumor within the National Cancer Database (2004-2017). Marginal structural logistic regression defined the volume percentile (Vmin) at which the odds of 90-day mortality were optimally reduced in patients with hepatocellular carcinoma (HCC) or intrahepatic cholangiocarcinoma (ICC). Short-term postoperative and survival outcomes were compared between patients treated at facilities above and below Vmin. RESULTS Thresholds for the 10th/25th/50th/75th/90th percentiles were 2/7/26/46/59 hepatectomies/year. A total of 17,833 patients underwent resection of HCC or ICC. The 90-day postoperative mortality was optimized at the 75th percentile for all hepatectomies (IP-weighted OR = 0.67, 95% CI = 0.52-0.87) and major hepatectomy (IP-weighted OR = 0.62, 95% CI = 0.49-0.80). Seven of 446 facilities met the Vmin threshold. The odds of 30-day mortality were also reduced for all hepatectomies (IP-weighted OR = 0.55, 95% CI = 0.42-0.73) and major hepatectomy (IP-weighted OR = 0.58, 95% CI = 0.41-0.75). There were no differences in length of stay or 30-day readmission rate. Patients with HCC or ICC treated at facilities ≥ 10th percentile had an associated improvement in overall survival. CONCLUSIONS Resection of HCC and ICC is performed at a large number of facilities. Postoperative mortality is optimally reduced at facilities performing at least 46 liver operations annually. Regionalization of surgical care among patients with primary liver malignancies to high-volume centers may result in improved outcomes.
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Affiliation(s)
- Kelly Hoerger
- Department of Surgery, Division of Surgical Oncology, University Hospitals Cleveland Medical Center, 11100 Euclid Ave., Cleveland, OH, 44106, USA
| | - Jonathan J Hue
- Department of Surgery, Division of Surgical Oncology, University Hospitals Cleveland Medical Center, 11100 Euclid Ave., Cleveland, OH, 44106, USA
| | - Mohamedraed Elshami
- Department of Surgery, Division of Surgical Oncology, University Hospitals Cleveland Medical Center, 11100 Euclid Ave., Cleveland, OH, 44106, USA
| | - John B Ammori
- Department of Surgery, Division of Surgical Oncology, University Hospitals Cleveland Medical Center, 11100 Euclid Ave., Cleveland, OH, 44106, USA
| | - Jeffrey M Hardacre
- Department of Surgery, Division of Surgical Oncology, University Hospitals Cleveland Medical Center, 11100 Euclid Ave., Cleveland, OH, 44106, USA
| | - Jordan M Winter
- Department of Surgery, Division of Surgical Oncology, University Hospitals Cleveland Medical Center, 11100 Euclid Ave., Cleveland, OH, 44106, USA
| | - Lee M Ocuin
- Department of Surgery, Division of Surgical Oncology, University Hospitals Cleveland Medical Center, 11100 Euclid Ave., Cleveland, OH, 44106, USA.
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15
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Tanaka S, Kubo S, Ishizawa T. Positioning of Minimally Invasive Liver Surgery for Hepatocellular Carcinoma: From Laparoscopic to Robot-Assisted Liver Resection. Cancers (Basel) 2023; 15:cancers15020488. [PMID: 36672437 PMCID: PMC9856586 DOI: 10.3390/cancers15020488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 01/09/2023] [Accepted: 01/11/2023] [Indexed: 01/15/2023] Open
Abstract
Laparoscopic liver resection (LLR) is widely accepted in the surgical treatment of hepatocellular carcinoma (HCC) through international consensus conferences and the development of difficulty classifications. LLR has been reported to result in earlier postoperative recovery and fewer postoperative complications than open liver resection (OLR) for HCC. However, the prevalence of liver cirrhosis, obesity, the elderly, HCC recurrence (repeat liver resection), and major resection must be considered for LLR for HCC. Some systematic reviews, meta-analysis studies, and large cohort studies indicated that LLR is technically feasible for selected patients with HCC with these factors that led to less intraoperative blood loss, fewer transfusions and postoperative complication incidences, and shorter hospital stays than OLR. Furthermore, some reported LLR prevents postoperative loss of independence. No difference was reported in long-term outcomes among patients with HCC who underwent LLR and OLR; however, some recent reports indicated better long-term outcomes with LLR. In recent years, robot-assisted liver resection (RALR) has gradually become popular, and its short- and long-term results for HCC are not different from those of LLR. Additionally, RALR is expected to become the mainstay of minimally invasive surgery in the future.
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Affiliation(s)
- Shogo Tanaka
- Correspondence: ; Tel.: +81-6-6645-3841; Fax: +81-6-6646-6057
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16
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Chua DW, Syn N, Koh YX, Teo JY, Cheow PC, Chung AYF, Chan CY, Goh BKP. Association of standardized liver volume and body mass index with outcomes of minimally invasive liver resections. Surg Endosc 2023; 37:456-465. [PMID: 35999310 DOI: 10.1007/s00464-022-09534-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Accepted: 08/04/2022] [Indexed: 01/18/2023]
Abstract
INTRODUCTION While minimally invasive liver resections (MILR) have demonstrated advantages in improved post-operative recovery, widespread adoption is hampered by inherent technical difficulties. Our study attempts to analyze the role of anthropometric measures in MILR-related outcomes. METHODS Between 2012 and 2020, 676 consecutive patients underwent MILR at the Singapore General Hospital of which 565 met study criteria and were included. Patients were stratified based on Body Mass Index (BMI) as well as Standardized Liver Volumes (SLV). Associations between BMI and SLV to selected peri-operative outcomes were analyzed using restricted cubic splines. RESULTS A BMI of ≥ 29 was associated with increase in blood loss [Mean difference (MD) 69 mls, 95% CI 2 to 137] as well as operative conversions [Relative Risk (RR) 1.63, 95% CI 1.02 to 2.62] among patients undergoing MILR while a SLV of 1600 cc or higher was associated with an increase in blood loss (MD 30 mls, 95% CI 10 to 49). In addition, a BMI of ≤ 20 was associated with an increased risk of major complications (RR 2.25, 95% 1.16 to 4.35). The magnitude of differences observed in these findings increased with each unit change in BMI and SLV. CONCLUSION Both BMI and SLV were useful anthropometric measures in predicting peri-operative outcomes in MILR and may be considered for incorporation in future difficulty scoring systems for MILR.
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Affiliation(s)
- Darren W Chua
- Department of Hepatopancreatobiliary and Transplant Surgery, Singapore General Hospital and National Cancer Centre Singapore, Academia, Level 5, 20 College Road, Singapore, 169856, Singapore
- Duke-National University of Singapore Medical School, Singapore, Singapore
| | - Nicholas Syn
- Department of Hepatopancreatobiliary and Transplant Surgery, Singapore General Hospital and National Cancer Centre Singapore, Academia, Level 5, 20 College Road, Singapore, 169856, Singapore
- Ministry of Health Holdings, Singapore, Singapore
| | - Ye-Xin Koh
- Department of Hepatopancreatobiliary and Transplant Surgery, Singapore General Hospital and National Cancer Centre Singapore, Academia, Level 5, 20 College Road, Singapore, 169856, Singapore
- Duke-National University of Singapore Medical School, Singapore, Singapore
- Liver Transplant Service, Singhealth Duke-National University of Singapore Transplant Center, Singapore, Singapore
| | - Jin-Yao Teo
- Department of Hepatopancreatobiliary and Transplant Surgery, Singapore General Hospital and National Cancer Centre Singapore, Academia, Level 5, 20 College Road, Singapore, 169856, Singapore
- Duke-National University of Singapore Medical School, Singapore, Singapore
| | - Peng-Chung Cheow
- Department of Hepatopancreatobiliary and Transplant Surgery, Singapore General Hospital and National Cancer Centre Singapore, Academia, Level 5, 20 College Road, Singapore, 169856, Singapore
- Duke-National University of Singapore Medical School, Singapore, Singapore
- Liver Transplant Service, Singhealth Duke-National University of Singapore Transplant Center, Singapore, Singapore
| | - Alexander Y F Chung
- Department of Hepatopancreatobiliary and Transplant Surgery, Singapore General Hospital and National Cancer Centre Singapore, Academia, Level 5, 20 College Road, Singapore, 169856, Singapore
- Duke-National University of Singapore Medical School, Singapore, Singapore
- Liver Transplant Service, Singhealth Duke-National University of Singapore Transplant Center, Singapore, Singapore
| | - Chung-Yip Chan
- Department of Hepatopancreatobiliary and Transplant Surgery, Singapore General Hospital and National Cancer Centre Singapore, Academia, Level 5, 20 College Road, Singapore, 169856, Singapore
- Duke-National University of Singapore Medical School, Singapore, Singapore
- Liver Transplant Service, Singhealth Duke-National University of Singapore Transplant Center, Singapore, Singapore
| | - Brian K P Goh
- Department of Hepatopancreatobiliary and Transplant Surgery, Singapore General Hospital and National Cancer Centre Singapore, Academia, Level 5, 20 College Road, Singapore, 169856, Singapore.
- Duke-National University of Singapore Medical School, Singapore, Singapore.
- Liver Transplant Service, Singhealth Duke-National University of Singapore Transplant Center, Singapore, Singapore.
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Fung ACH, Chan IHY, Wong KKY. Outcome and learning curve for laparoscopic intra-corporeal inguinal hernia repair in children. Surg Endosc 2023; 37:434-442. [PMID: 35986222 DOI: 10.1007/s00464-022-09530-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 07/31/2022] [Indexed: 01/18/2023]
Abstract
BACKGROUND Laparoscopic inguinal hernia repair is one of the procedures most commonly performed by paediatric surgeons. Current research on the learning curve for laparoscopic hernia repair in children is scarce. This study aims to evaluate the clinical outcome and learning curve of laparoscopic intra-corporeal inguinal hernia repair in children. METHODS A retrospective single-centre analysis of all paediatric patients who underwent laparoscopic intra-corporeal inguinal hernia repair between 2010 and 2019 was performed. The clinical outcomes were analysed. The data on the achievement of the learning curve by surgical trainees were evaluated with the CUSUM technique, focusing on operative time. RESULTS There were 719 patients with laparoscopic intra-corporeal inguinal hernia repair (comprising 1051 sides) performed during the study period. The overall ipsilateral recurrence rate was 1.8% without other complications detected. CUSUM analysis showed that there were 3 phases of training, for which the trainees underwent initial learning phase (Phase 1) for the first 7 cases. After mastering of the skills and extrapolating the skills to male patients with smaller body size (Phase 2), they then achieved performance comparable to that of the senior surgeons after 18 procedures (Phase 3). CONCLUSIONS 18 procedures seem to be the number required to reach the learning curve plateau in terms of operative time by surgical trainees. The clinical outcomes show that laparoscopic intra-corporeal inguinal hernia repair is a safe and transferrable technique, even in the hands of trainees, with adequate supervision and careful case selection. It also provides skill acquisition for minimally invasive surgery.
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Affiliation(s)
- Adrian Chi Heng Fung
- Division of Paediatric Surgery, Department of Surgery, Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong, People's Republic of China
| | - Ivy Hau Yee Chan
- Division of Paediatric Surgery, Department of Surgery, Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong, People's Republic of China. .,Department of Surgery, Queen Mary Hospital, 102 Pokfulam Road, Hong Kong, People's Republic of China.
| | - Kenneth Kak Yuen Wong
- Division of Paediatric Surgery, Department of Surgery, Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong, People's Republic of China
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Gil PJ, Ruiz-Manzanera JJ, Ruiz de Angulo D, Munitiz V, Ferreras D, López V, Conesa A, Ortiz Á, Martínez de Haro LF, Ramírez P. Learning Curve for Laparoscopic Sleeve Gastrectomy: a Cumulative Summation (CUSUM) Analysis. Obes Surg 2022; 32:2598-2604. [PMID: 35687255 DOI: 10.1007/s11695-022-06145-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 06/03/2022] [Accepted: 06/03/2022] [Indexed: 11/27/2022]
Abstract
PURPOSE Bariatric surgery is currently considered the most effective and durable treatment option for morbid obesity. Laparoscopic sleeve gastrectomy (LSG) has become a popular technique and may currently be the most frequently practiced surgical operation to treat obesity. However, no objective analyses of its learning curve have been reported. OBJECTIVE to analyze the learning curve for LSG. MATERIALS AND METHODS We included all LSGs performed in our hospital (University Hospital, Spain; Public Practice) from April 2013 to February 2016. The learning curve for LSG was evaluated using cumulative sum (CUSUM) analysis. All variables among the learning curve phases were compared. RESULTS According to the CUSUM analysis, the learning curve was divided into three unique phases: early learning (the initial 26 patients), acquisition of skills (the middle 30 patients), and mastery of technique (the final 56 patients). The operative time and gastric stenosis significantly decreased with progression of the learning curve without differences in the 30-day postoperative complication rate, postoperative stay, or weight loss. CONCLUSION According to this study, the learning curve for LSG can be divided into 3 distinct phases, and about 25 patients are needed to demonstrate an improvement in surgical skill.
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Affiliation(s)
- Pedro J Gil
- General Surgery Service, "Virgen de La Arrixaca" Clinical University Hospital, 30120, El Palmar, Murcia, Spain
| | - Juan José Ruiz-Manzanera
- General Surgery Service, "Virgen de La Arrixaca" Clinical University Hospital, 30120, El Palmar, Murcia, Spain.
| | - David Ruiz de Angulo
- Bariatric Surgery Unit and Upper Gastrointestinal Surgical, General Surgery Service, "Virgen de La Arrixaca" Clinical University Hospital, 30120, El Palmar, Murcia, Spain
| | - Vicente Munitiz
- General Surgery Service, Upper Gastrointestinal Surgical Unit, "Virgen de La Arrixaca" Clinical University Hospital, 30120, El Palmar, Murcia, Spain
| | - David Ferreras
- General Surgery Service, "Virgen de La Arrixaca" Clinical University Hospital, 30120, El Palmar, Murcia, Spain
| | - Víctor López
- General Surgery Service, "Virgen de La Arrixaca" Clinical University Hospital, 30120, El Palmar, Murcia, Spain
| | - Ana Conesa
- General Surgery Service, Upper Gastrointestinal Surgical Unit, "Virgen de La Arrixaca" Clinical University Hospital, 30120, El Palmar, Murcia, Spain
| | - Ángeles Ortiz
- General Surgery Service, Upper Gastrointestinal Surgical Unit, "Virgen de La Arrixaca" Clinical University Hospital, 30120, El Palmar, Murcia, Spain
| | - Luisa F Martínez de Haro
- General Surgery Service, Upper Gastrointestinal Surgical Unit, "Virgen de La Arrixaca" Clinical University Hospital, 30120, El Palmar, Murcia, Spain
| | - Pablo Ramírez
- General Surgery Service, "Virgen de La Arrixaca" Clinical University Hospital, 30120, El Palmar, Murcia, Spain.,Instituto Murciano De Investigación Biosanitaria (IMIB), 30120, El Palmar, Murcia, Spain
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External validation of different difficulty scoring systems of laparoscopic liver resection for hepatocellular carcinoma. Surg Endosc 2022; 36:3732-3749. [PMID: 34406470 DOI: 10.1007/s00464-021-08687-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Accepted: 08/07/2021] [Indexed: 01/29/2023]
Abstract
BACKGROUND Several difficulty scoring systems (DSSs) have been proposed for evaluating difficulty of laparoscopic liver resection (LLR) and no study has validated their performance in a hepatocellular carcinoma (HCC)-only cohort at the same time. METHODS All cases with HCC that underwent LLR from January 2015 to December 2020 in our center were retrospectively collected. Performance of the IWATE-DSS, Halls-DSS, Hasegawa-DSS, and Kawaguchi-DSS in predicting perioperative outcomes was evaluated. Subgroup analyses were conducted to compare perioperative outcomes between surgeons on the learning curve and surgeons that have gone through the learning curve. RESULTS For all four DSSs, there were significant distributions of applying bleeding control, surgical time, estimated blood loss, postoperative major complications, and postoperative hospital stay among different groups of each DSS (P all < 0.05). Conversion to laparotomy or not was significantly distributed in different groups of the IWATE-DSS (P = 0.006) and Halls-DSS (P = 0.022), while it was not in the Hasegawa-DSS (P = 0.056) and Kawaguchi-DSS (P = 0.183). Trend tests showed that the conversion rates increased with higher DSS points in the IWATE-DSS (P < 0.001) and the Kawaguchi-DSS (P = 0.021), while not in the Halls-DSS (P = 0.064) and the Hasegawa-DSS (P = 0.068). In the medium and advanced/expert difficulty-level subgroups defined by the IWATE-DSS, there were larger estimated blood loss (P in medium-difficulty group = 0.009; P in the advanced/expert difficulty group = 0.004) and longer postoperative hospital stay (P in the medium-difficulty group = 0.012; P in the advanced/expert group = 0.035) in the learner-performed cases. CONCLUSIONS All DSSs performed well in predicting applying bleeding control, surgical time, estimated blood loss, postoperative major complications, and postoperative hospital stay, while only the IWATE-DSS was able to predict whether conversion to laparotomy or not for HCC patients underwent LLR. The IWATE-DSS was also able to help surgeons on the LLR learning curve choose cases and guide clinical practices.
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20
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Kim BJ, Newhook TE, Tzeng CWD, Ikoma N, Chiang YJ, Chun YS, Vauthey JN, Tran Cao HS. Lymphadenectomy and margin-negative resection for biliary tract cancer surgery in the United States-Differential technical performance by approach. J Surg Oncol 2022; 126:658-666. [PMID: 35578764 DOI: 10.1002/jso.26924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 04/28/2022] [Accepted: 05/02/2022] [Indexed: 11/09/2022]
Abstract
BACKGROUND As minimally invasive surgery (MIS) approaches to biliary tract cancers become more commonplace, understanding the adequacy of their oncologic performance is key. METHODS The National Cancer Database 2010-2016 was queried for patients who underwent hepatectomy for intrahepatic cholangiocarcinoma (IHC) and T1b or more advanced gallbladder cancer (GBC). Patients were grouped by approach: open (OA), laparoscopic (LA), and robotic (RA). Margin status, rate of lymph node (LN) dissection, and yield of LN dissection were evaluated. RESULTS This cohort of 8612 patients, including 4034 patients with IHC (OA: 3281, LA: 675, RA: 78) and 4578 patients with GBC (OA: 1893, LA: 2588, RA: 97), MIS was used 40% of the time. R0 resection was achieved in 82% OA, 84% LA, and 91% RA, p = 0.004. Rate of LN dissection was 53% (OA: 60%, LA: 42%, RA: 51%, p < 0.001). Among patients who underwent lymphadenectomy, 6 + LN were retrieved less commonly with a LA (OA: 27%, LA: 20%, and RA: 30%, p < 0.001). High-volume MIS hepatectomy centers were more likely to perform a lymphadenectomy (odds ratio [OR]: 1.41) and a sampling of 6 + LN (OR: 1.18). CONCLUSION Regardless of approach, lymphadenectomy is underperformed nationwide for biliary tract tumors, particularly with LA. As the use of MIS grows for the treatment of biliary tract cancers, scrutiny of oncologic outcomes is required.
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Affiliation(s)
- Bradford J Kim
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Timothy E Newhook
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Ching-Wei D Tzeng
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Naruhiko Ikoma
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Yi-Ju Chiang
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Yun Shin Chun
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Jean-Nicolas Vauthey
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Hop S Tran Cao
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
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Li WH, Cheng H, Gan XF, Li XJ, Wang XJ, Wu XW, Zhong HC, Wu TC, Huo WW, Ju SL, Lv LZ, Cao QD. Learning curve of uniportal video-assisted thoracoscopic lobectomy: an analysis of the proficiency of 538 cases from a single centre. Interact Cardiovasc Thorac Surg 2022; 34:799-807. [PMID: 35015846 PMCID: PMC9070520 DOI: 10.1093/icvts/ivab378] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 11/01/2021] [Accepted: 11/20/2021] [Indexed: 11/12/2022] Open
Abstract
OBJECTIVES Uniportal video-assisted thoracoscopic surgery (UniVATS) is widely used as a minimally invasive thoracic operation. The goal of our study was to analyse the effect of long-term experience with the UniVATS lobectomy on the learning curve. METHODS The learning curves were quantitatively evaluated by the unadjusted cumulative sum, and they were segmented using joinpoint linear regression analysis. The variables were compared between subgroups using trend analysis, and linear regression analysis was applied to correlate clinical characteristics at different stages of the learning curve with the duration of the operation. RESULTS The learning curve for the UniVATS lobectomy can be divided into 3 phases of proficiency at ∼200-300 procedures, with a fourth phase as the number of procedures increases. The 1st-52nd, 52nd-156th, 156th-244th and 244th-538th procedures comprised the preliminary learning stage, preliminary proficiency stage, proficiency stage and advanced proficiency stage, respectively. Surgical outcomes and their variability between stages improved with increasing case numbers, with the most significant addition of an auxiliary operating port and conversions. In multivariable analysis, as stages progressed, influences other than surgical experience increased the operative time, with male and extensive pleural adhesions in the preliminary proficiency stage; male and incomplete pulmonary fissures in the proficiency stage; and male, extensive pleural adhesions and incomplete pulmonary fissures in the advanced proficiency stage. CONCLUSIONS As the number of procedures increases, there may be 4 different proficiency stages in the UniVATS lobectomy learning curve. The surgeon enters the fourth stage at approximately the 244th procedure. Moreover, at stage 4, the perioperative indicators tend to stabilize, and influences other than surgical experience become more significant.
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Affiliation(s)
- Wen-Hao Li
- Department of Thoracic Surgery, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, China
| | - Hua Cheng
- Department of Thoracic Surgery, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, China
| | - Xiang-Feng Gan
- Department of Thoracic Surgery, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, China
| | - Xiao-Jian Li
- Department of Thoracic Surgery, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, China
| | - Xiao-Jin Wang
- Department of Thoracic Surgery, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, China
| | - Xiang-Wen Wu
- Department of Thoracic Surgery, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, China
| | - Hong-Cheng Zhong
- Department of Thoracic Surgery, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, China
| | - Tian-Chi Wu
- Department of Thoracic Surgery, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, China
| | - Wen-Wen Huo
- Department of Thoracic Surgery, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, China
| | - Shao-Long Ju
- Department of Thoracic Surgery, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, China
| | - Liang-Zhan Lv
- Department of Thoracic Surgery, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, China
| | - Qing-Dong Cao
- Department of Thoracic Surgery, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, China
- Corresponding author. Department of Thoracic Surgery, The Fifth Affiliated Hospital of Sun Yat-Sen University, No. 52, Meihua East Road, Zhuhai, Guangdong, China. Tel: +86-7562528825; e-mail: (Q.-D. Cao)
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Ayabe RI, Azimuddin A, Tran Cao HS. Robot-assisted liver resection: the real benefit so far. Langenbecks Arch Surg 2022; 407:1779-1787. [PMID: 35488913 DOI: 10.1007/s00423-022-02523-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 04/19/2022] [Indexed: 12/15/2022]
Abstract
BACKGROUND Minimally invasive liver resection is associated with lower perioperative morbidity and shorter hospital stay. However, the added benefit of the robotic platform over conventional laparoscopy is a matter of ongoing investigation. PURPOSE The purpose of this narrative review is to provide an up-to-date and balanced evaluation of the benefits and shortcomings of robotic liver surgery for the modern hepatobiliary surgeon. CONCLUSIONS Advantages of a robotic approach to liver resection include a shortened learning curve, the ability to complete more extensive or complex minimally invasive operations, and integrated fluorescence guidance. However, the robotic platform remains limited by a paucity of parenchymal transection devices, complete lack of haptic feedback, and added operating time associated with docking and instrument exchange. Like laparoscopic hepatectomy, robotic hepatectomy may provide patients with more rapid recovery and a shorter hospital stay, which can help offset the substantial costs of robot acquisition and maintenance. The oncologic outcomes of robotic hepatectomy appear to be equivalent to laparoscopic and open hepatectomy for appropriately selected patients.
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Affiliation(s)
- Reed I Ayabe
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, 1400 Pressler St., Unit 1484, Houston, TX, 77030, USA
| | - Ahad Azimuddin
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, 1400 Pressler St., Unit 1484, Houston, TX, 77030, USA
| | - Hop S Tran Cao
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, 1400 Pressler St., Unit 1484, Houston, TX, 77030, USA.
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Öztaş M, Lapsekili E, Fatih Can M. Laparoscopic liver right posterior sectionectomies; surgical technique and clinical results of a single surgeon experience. Turk J Surg 2022; 38:18-24. [DOI: 10.47717/turkjsurg.2022.5623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Accepted: 01/28/2022] [Indexed: 11/23/2022]
Abstract
Objective: Laparoscopic liver resections have been performed with increasing frequency in recent years. With increasing surgical experience and technological developments, more complex laparoscopic liver resections can now be applied. Laparoscopic right posterior sectionectomy (LSPS) requires a sophisticated and highly challenging surgical technique due to the length of the parenchyma transection line and the camera out of view in laparoscopic surgery. The aim of this study was to share tips and tricks about resection which will contribute to the operation time and technique.
Material and Methods: Evaluation was made of the laparoscopic major liver resections performed consecutively between 2015-2020 in our center. During the resections, three different inflow control techniques were used; hilar, glassonian and intraparenchymal approach.
Results: A total of 14 LSPS surgeries were performed. Mean age of the patients was 51.6 ± 10.2 years (34-68), and mean operation time was 300 ± 58 (200-440) minutes. The Pringle maneuver was applied to all patients, with a mean time of 58.4 ± 14.4 (30-75) minutes. Mean perioperative bleeding was measured as 290 ± 105 (140-550) mL. Additional surgery was performed on six patients in the same session. Complications occurred in three patients. No perioperative mortality was observed.
Conclusion: LSPS is a technically difficult process, which requires advanced skills in both liver surgery and laparoscopic surgery. Surgeons should consider applying this method, which offers different advantages depending on the location and nature of the lesion, after completing the learning curve by performing laparoscopic liver surgery of the correct number and type. In our article, we stated the tips and tricks that make it easy to perform laparoscopic right posterior sectionectomies, which have been thought to be difficult until recently and these difficulties have been clearly stated in many articles.
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Sasaki K, Nair A, Moro A, Augustin T, Quintini C, Berber E, Aucejo FN, Kwon CHD. A chronological review of 500 minimally invasive liver resections in a North American institution: overcoming stagnation and toward consolidation. Surg Endosc 2022; 36:6144-6152. [PMID: 35277772 DOI: 10.1007/s00464-022-09182-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 02/27/2022] [Indexed: 12/07/2022]
Abstract
BACKGROUND Although interest in expanding the application of minimally invasive liver resection (MILR) is high the world over, most of the extensive experience in MILR has been reported from Far East Asia and Europe and its adoption in North America is limited. The aim of this study was to review the experience of MILR in a single North American institute over a 15-year period, highlighting both the obstacles encountered and strategies adopted to overcome the stagnation in its uptake. METHODS This study included 500 MILR cases between 2006 and 2020. Patient demographics, disease characteristics, surgical technique, and perioperative outcomes are summarized. The major hepatectomy rate and conversion rate were assessed according to case numbers (first 100, 101-300, and 301-500 cases) to assess chronological trends. RESULTS Of 500, 402 MILRs were done by pure laparoscopic (80.4%), 67 were hand assisted (13.4%), and 31 were robotic (6.2%). The majority (64%) of cases were performed for malignancy (n = 320; 100 Hepatocellular carcinoma, 153 Colorectal metastases, 27 Intrahepatic cholangiocarcinoma, and others, 40, 64%). A total of 71 cases were converted to open (14.2%). The annual case number gradually increased over the first few years; however, case numbers stayed around 30 between 2009 and 2017. In this period, despite accumulating MILR experience, open conversion rates increased despite no change in major hepatectomy rate. After this period of long-term stagnation, we introduced crucial changes in team composition and laparoscopic instrumentation. Our MILR case number and major hepatectomy rate thereafter increased significantly without increasing conversion or complication rates. CONCLUSION Our recovery from long-term stagnation by instituting key changes as detailed in this study could be used as a guidepost for programs that are contemplating transitioning their MILR program from minor to advanced resections. Establishing a formal MILR training model through proper mentorship/proctorship and building a dedicated MILR team would be imperative to this strategy.
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Affiliation(s)
- Kazunari Sasaki
- Cleveland Clinic Lerner College of Medicine and Department of General Surgery, Digestive Disease Institute, Cleveland Clinic, Cleveland, OH, 44195, USA
| | - Amit Nair
- Cleveland Clinic Lerner College of Medicine and Department of General Surgery, Digestive Disease Institute, Cleveland Clinic, Cleveland, OH, 44195, USA
| | - Amika Moro
- Cleveland Clinic Lerner College of Medicine and Department of General Surgery, Digestive Disease Institute, Cleveland Clinic, Cleveland, OH, 44195, USA
| | - Toms Augustin
- Cleveland Clinic Lerner College of Medicine and Department of General Surgery, Digestive Disease Institute, Cleveland Clinic, Cleveland, OH, 44195, USA
| | - Cristiano Quintini
- Cleveland Clinic Lerner College of Medicine and Department of General Surgery, Digestive Disease Institute, Cleveland Clinic, Cleveland, OH, 44195, USA
| | - Eren Berber
- Cleveland Clinic Lerner College of Medicine and Department of General Surgery, Digestive Disease Institute, Cleveland Clinic, Cleveland, OH, 44195, USA
| | - Federico N Aucejo
- Cleveland Clinic Lerner College of Medicine and Department of General Surgery, Digestive Disease Institute, Cleveland Clinic, Cleveland, OH, 44195, USA
| | - Choon Hyuck David Kwon
- Cleveland Clinic Lerner College of Medicine and Department of General Surgery, Digestive Disease Institute, Cleveland Clinic, Cleveland, OH, 44195, USA.
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Krenzien F, Benzing C, Feldbrügge L, Ortiz Galindo SA, Hillebrandt K, Raschzok N, Nevermann N, Haber P, Malinka T, Schöning W, Pratschke J, Schmelzle M. Complexity-Adjusted Learning Curves for Robotic and Laparoscopic Liver Resection: A Word of Caution. ANNALS OF SURGERY OPEN 2022; 3:e131. [PMID: 37600114 PMCID: PMC10431481 DOI: 10.1097/as9.0000000000000131] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Accepted: 01/06/2022] [Indexed: 11/26/2022] Open
Abstract
Background Minimally invasive liver surgery (MILS) has a high variance in the type of resection and complexity, which has been underestimated in learning curve studies in the past. The aim of this work was to evaluate complexity-adjusted learning curves over time for laparoscopic liver resection (LLR) and robotic liver resection (RLR). Methods Cumulative sum analysis (CUSUM) and complexity adjustment were performed using the Iwate score for LLR and RLR (n = 647). Lowest point of smoothed data was used to capture the cutoff of the increase in complexity. Data were collected retrospectively at the Department of Surgery of the Charité-Universitätsmedizin Berlin. Results A total of 132 RLR and 514 LLR were performed. According to the complexity-adjusted CUSUM analysis, the initial learning phase was reached after 117 for LLR and 93 procedures for RLR, respectively. With increasing experience, the rate of (extended) right hemihepatectomy multiplied from 8.4% to 18.9% for LLR (P = 0.031) and from 21.6% to 58.3% for RLR (P < 0.001). Complication rates remained comparable between both episodes for LLR and RLR (T1 vs T2, P > 0.05). The complexity-adjusted CUSUM analysis demonstrated for blood transfusion, conversion, and operative time an increase during the learning phase (T1), while a steady state was reached in the following (T2). Conclusions The learning phase for MILS after adjusting for complexity is about 4 times longer than assumed in previous studies, which should urge caution.
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Affiliation(s)
- Felix Krenzien
- From the Department of Surgery, Campus Charité Mitte and Campus Virchow-Klinikum, Charité—Universitätsmedizin, Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
- Berlin Institute of Health (BIH), Berlin, Germany
| | - Christian Benzing
- From the Department of Surgery, Campus Charité Mitte and Campus Virchow-Klinikum, Charité—Universitätsmedizin, Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
| | | | - Santiago Andres Ortiz Galindo
- From the Department of Surgery, Campus Charité Mitte and Campus Virchow-Klinikum, Charité—Universitätsmedizin, Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
| | - Karl Hillebrandt
- From the Department of Surgery, Campus Charité Mitte and Campus Virchow-Klinikum, Charité—Universitätsmedizin, Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
- Berlin Institute of Health (BIH), Berlin, Germany
| | - Nathanael Raschzok
- From the Department of Surgery, Campus Charité Mitte and Campus Virchow-Klinikum, Charité—Universitätsmedizin, Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
- Berlin Institute of Health (BIH), Berlin, Germany
| | - Nora Nevermann
- From the Department of Surgery, Campus Charité Mitte and Campus Virchow-Klinikum, Charité—Universitätsmedizin, Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
| | - Philipp Haber
- From the Department of Surgery, Campus Charité Mitte and Campus Virchow-Klinikum, Charité—Universitätsmedizin, Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
| | - Thomas Malinka
- From the Department of Surgery, Campus Charité Mitte and Campus Virchow-Klinikum, Charité—Universitätsmedizin, Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
| | - Wenzel Schöning
- From the Department of Surgery, Campus Charité Mitte and Campus Virchow-Klinikum, Charité—Universitätsmedizin, Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
| | - Johann Pratschke
- From the Department of Surgery, Campus Charité Mitte and Campus Virchow-Klinikum, Charité—Universitätsmedizin, Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
| | - Moritz Schmelzle
- From the Department of Surgery, Campus Charité Mitte and Campus Virchow-Klinikum, Charité—Universitätsmedizin, Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
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Learning Curve for Metastatic Liver Tumor Open Resection in Patients with Primary Colorectal Cancer: Use of the Cumulative Sum Method. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19031068. [PMID: 35162093 PMCID: PMC8834355 DOI: 10.3390/ijerph19031068] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Revised: 01/16/2022] [Accepted: 01/17/2022] [Indexed: 02/05/2023]
Abstract
Background: Liver resections have become the first-line treatment for primary and metastatic tumors and, therefore, are considered a core aspect of surgical training. This study aims to evaluate the learning curve of the extent and safety of liver resection procedures for patients with metastatic colorectal cancer. Methods: This single tertiary center retrospective analysis includes 158 consecutive cases of small liver resection (SLR) (n = 107) and major liver resection (MLR) (n = 58) procedures. A cumulative sum control chart (CUSUM) method was used to investigate the learning curve. Results: The operative time, total blood loss level, and incidence of adverse effects showed a learning curve. For SLRs, the CUSUM curve for operative time and blood loss level peaked at the 19th and 17th case, respectively, while for MLRs, these curves peaked at the 28th and 24th case, respectively. The CUSUM curve for minor adverse effects (MAEs) and severe adverse effects (SAEs) showed a downward slope after the 16th and 68th procedures in the SLRs group and after the 29th and 39th procedures in the MLRs cohort; however, it remained within the acceptable range throughout the entire study. Conclusion: SLR procedures were performed faster with less intraoperative blood loss and shorter postoperative stays than MLRs, and a higher number of completed procedures was required to gain stabilization and repeatability in the operating time and intraoperative blood loss level. In MLR procedures, the reduction of SAEs was accomplished significantly later than the stabilization of the operative time and intraoperative blood loss level.
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Marino R, Olthof PB, Shi HJ, Tran KTC, Ijzermans JNM, Terkivatan T. Minimally Invasive Liver Surgery: A Snapshot from a Major Dutch HPB and Transplant Center. World J Surg 2022; 46:3090-3099. [PMID: 36161353 PMCID: PMC9636118 DOI: 10.1007/s00268-022-06754-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/29/2022] [Indexed: 01/14/2023]
Abstract
BACKGROUND Minimally invasive liver surgery (MILS) has been progressively adopted on a nationwide scale. The aim of this study is to investigate MILS implementation in a high-volume Dutch hepato-pancreato-biliary and transplant center, which is considered a moderate to low-volume center from a European standpoint. METHODS All patients who underwent MILS at Erasmus Medical Center between April 2010 and December 2021 were retrospectively reviewed. Patients' surgical outcomes were compared after stratification according to resections' difficulty and liver cirrhosis. RESULTS A total of 212 cases were included. Major liver resections were performed in 24 patients (11%), while minor resections were performed in 188 patients (89%). Among those, 177 (94%) resections were classified as technically minor and 11 (6%) as technically major. Major morbidity was reported in 14/177 patients (8%) after technically minor resections and in 3/24 patients (13%) after major resections. Anatomically and technically major resections had higher intraoperative blood losses (425 (0-2100) vs. 240 (50-110) vs. 100 (0-2400) mL; p-value < 0.001) and longer hospital stay (6 (3-25) vs. 5 (2-9) vs. 3 (1-44); p-value < 0.001) when compared with the technically minor counterpart. Perioperative outcomes were similar when comparing cirrhotic MILS with the non-cirrhotic cohort. CONCLUSION MILS program implementation can lead to encouraging surgical outcomes even in low- to moderate-volume centers. Although low procedural volume might be predictive of impaired outcomes, long-standing experience in the HPB and liver transplant field could mitigate low-case volume effects on surgical outcomes.
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Affiliation(s)
- Rebecca Marino
- Hepatobiliary Surgery Division, IRCCS San Raffaele Hospital, Via Olgettina 60, 20132 Milan, Italy ,Department of Surgery, Division of HPB & Transplant Surgery, University Medical Centre Rotterdam, Dr. Molewaterplein 40, Erasmus MC, 3015 GD Rotterdam, The Netherlands
| | - Pim B. Olthof
- Department of Surgery, Division of HPB & Transplant Surgery, University Medical Centre Rotterdam, Dr. Molewaterplein 40, Erasmus MC, 3015 GD Rotterdam, The Netherlands
| | - Hong J. Shi
- Department of Surgery, Division of HPB & Transplant Surgery, University Medical Centre Rotterdam, Dr. Molewaterplein 40, Erasmus MC, 3015 GD Rotterdam, The Netherlands
| | - Khe T. C. Tran
- Department of Surgery, Division of HPB & Transplant Surgery, University Medical Centre Rotterdam, Dr. Molewaterplein 40, Erasmus MC, 3015 GD Rotterdam, The Netherlands
| | - Jan N. M. Ijzermans
- Department of Surgery, Division of HPB & Transplant Surgery, University Medical Centre Rotterdam, Dr. Molewaterplein 40, Erasmus MC, 3015 GD Rotterdam, The Netherlands
| | - Türkan Terkivatan
- Department of Surgery, Division of HPB & Transplant Surgery, University Medical Centre Rotterdam, Dr. Molewaterplein 40, Erasmus MC, 3015 GD Rotterdam, The Netherlands
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Shanti H, Raman R, Chakravartty S, Belgaumkar AP, Patel AG. OUP accepted manuscript. BJS Open 2022; 6:6563502. [PMID: 35380619 PMCID: PMC8982202 DOI: 10.1093/bjsopen/zrac020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 12/23/2021] [Accepted: 01/20/2022] [Indexed: 01/14/2023] Open
Abstract
Background Laparoscopic liver resection (LLR) is a highly demanding procedure with great variability. Previously published randomized trials have proven oncological safety of laparoscopic liver resection (LLR) as compared to open surgery. However, these were started after the learning curve (LC) was established. This leaves the question of whether the LC of LLR in the early laparoscopic era has affected the survival of patients with colorectal liver metastasis (CRLM). Methods All consecutive LLRs performed by a single surgeon between 2000 and 2019 were retrospectively analysed. A risk-adjusted cumulative sum (RA-CUSUM) chart for conversion rate and the log regression analysis of the blood loss identified two phases in the LC. This was then applied to patients with CRLM, and the two subgroups were compared for recurrence-free (RFS) and overall survival (OS). The analysis was repeated with propensity score-matched (PSM) groups Results A total of 286 patients were included in the LC analysis, which identified two distinct phases, the early (EP; 68 patients) and the late (LP; 218 patients) phases. The LC was applied to 192 patients with colorectal liver metastasis (EPc, 45 patients; LPc, 147 patients). For patients with CRLM, R0 resection was achieved in 93 per cent: 100 per cent in the EPc group and 90 per cent in the LPc group (P = 0.026). Median OS and RFS were 60 and 16 months, respectively. The 5-year OS and RFS were 51 per cent and 32.7 per cent, respectively. OS (hazard ratio (h.r.) 0.78, 95 per cent confidence interval (c.i.) 0.51 to 1.2; P = 0.286) and RFS (h.r. 0.94, 95 per cent c.i. 0.64 to 1.37; P = 0.760) were not compromised by the learning curve. The results were replicated after PSM. Conclusion In our experience, the development of a laparoscopic liver resection programme can be achieved without adverse effects on the long-term survival of patients with CRLM.
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Affiliation(s)
- Hiba Shanti
- Institute of Liver Studies, King’s College Hospital, London, UK
| | - Rakesh Raman
- Kent Oncology Centre, Kent and Canterbury Hospital, Canterbury, UK
| | | | - Ajay P. Belgaumkar
- Department of Surgery, Surrey and Sussex Healthcare NHS Trust, Redhill, UK
| | - Ameet G. Patel
- Correspondence to: Ameet G. Patel, Institute of Liver Studies, King’s College Hospital, Denmark Hill, London SE5 9RS, UK (e-mail: )
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Long-term outcomes of laparoscopic liver resection for hepatocellular carcinoma: A propensity score matched analysis of a high-volume North American center. Surgery 2021; 171:982-991. [PMID: 34742570 DOI: 10.1016/j.surg.2021.10.017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Revised: 10/02/2021] [Accepted: 10/06/2021] [Indexed: 02/08/2023]
Abstract
BACKGROUND Laparoscopic liver resections for malignancy are increasing worldwide, and yet data from North America are lacking. We aimed to assess the long-term outcomes of patients undergoing laparoscopic liver resection and open liver resection as a treatment for hepatocellular carcinoma. METHODS Patients undergoing liver resection for hepatocellular carcinoma between January 2008 and December 2019 were retrospectively studied. A propensity score matching was performed using patient demographics, laboratory parameters, etiology of liver disease, liver function, and tumor characteristics. Primary outcomes included overall survival and cumulative incidence of recurrence. Kaplan-Meier and competing risk cumulative incidence were used for survival analyses. Multivariable Cox regression and Fine-Gray proportional hazard regression were performed to determine hazard for death and recurrence, respectively. RESULTS Three hundred and ninety-one patients were identified (laparoscopic liver resection: 110; open liver resection: 281). After propensity score matching, 149 patients remained (laparoscopic liver resection: 57; open liver resection: 92). There were no significant differences between groups with regard to extent of hepatectomy performed and tumor characteristics. The laparoscopic liver resection group experienced a lower proportion of ≥Clavien-Dindo grade III complications (14% vs 29%; P = .01). In the matched cohort, the 1-, 3-, and 5-year overall survival rate in the laparoscopic liver resection versus open liver resection group was 90.9%, 79.3%, 70.5% vs 91.3%, 88.5%, 83.1% (P = .26), and the cumulative incidence of recurrence 31.1%, 59.7%, 62.9% vs 18.9%, 40.6%, 49.2% (P = .06), respectively. CONCLUSION This study represents the largest single institutional study from North America comparing long-term oncologic outcomes of laparoscopic liver resection and open liver resection as a treatment for primary hepatocellular carcinoma. The combination of reduced short-term complications and equivalent long-term oncologic outcomes favor the laparoscopic approach when feasible.
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Goh BK, Wang Z, Koh YX, Lim KI. Evolution and trends in the adoption of laparoscopic liver resection
in Singapore: Analysis of 300 cases. ANNALS OF THE ACADEMY OF MEDICINE, SINGAPORE 2021. [DOI: 10.47102/annals-acadmedsg.2021213] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
ABSTRACT
Introduction: The introduction of laparoscopic surgery has changed abdominal surgery. We evaluated
the evolution and changing trends associated with adoption of laparoscopic liver resection (LLR) and
the experience of a surgeon without prior LLR experience.
Methods: A retrospective review of 310 patients who underwent LLR performed by a single surgeon
from 2011 to 2020 was conducted. Exclusion criteria were patients who underwent laparoscopic liver
surgeries such as excision biopsy, local ablation, drainage of abscesses and deroofing of liver cysts.
There were 300 cases and the cohort was divided into 5 groups of 60 patients.
Results: There were 288 patients who underwent a totally minimally invasive approach, including
28 robotic-assisted procedures. Open conversion occurred for 13 (4.3%) patients; the conversion rate
decreased significantly from 10% in the initial period to 3.3% subsequently. There were 83 (27.7%)
major resections and 131 (43.7%) resections were performed for tumours in the difficult
posterosuperior location. There were 152 (50.7%) patients with previous abdominal surgery, including
52 (17.3%) repeat liver resections for recurrent tumours, and 60 patients had other concomitant
operations. According to the Iwate criteria, 135 (44.7%) were graded as high/expert difficulty. Major
morbidity (>grade 3a) occurred in 12 (4.0%) patients and there was no 30-day mortality. Comparison
across the 5 patient groups demonstrated a significant trend towards older patients, higher American
Society of Anesthesiologists (ASA) score, increasing frequency of LLR with previous abdominal
surgery, increasing frequency of portal hypertension and huge tumours, decreasing blood loss and
decreasing transfusion rate across the study period. Surgeon experience (≤60 cases) and Institut
Mutualiste Montsouris (IMM) high grade resections were independent predictors of open conversion.
Open conversion was associated with worse perioperative outcomes such as increased blood loss,
transfusion rate, morbidity and length of stay.
Conclusion: LLR can be safely adopted for resections of all difficulty grades, including major resections
and for tumours located in the difficult posterosuperior segments, with a low open conversion rate.
Keywords: Laparoscopic hepatectomy, laparoscopic liver resection, robotic hepatectomy, robotic liver
resection, Singapore
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Dogeas E, Tohme S, Geller DA. Laparoscopic liver resection: Global diffusion and learning curve. ANNALS OF THE ACADEMY OF MEDICINE, SINGAPORE 2021; 50:736-738. [PMID: 34755166 DOI: 10.47102/annals-acadmedsg.2021371] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Affiliation(s)
- Epameinondas Dogeas
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, University of Pittsburgh Medical Center, USA
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Lee B, Choi Y, Cho JY, Yoon YS, Han HS. Initial experience with a robotic hepatectomy program at a high-volume laparoscopic center: single-center experience and surgical tips. ANNALS OF TRANSLATIONAL MEDICINE 2021; 9:1132. [PMID: 34430573 PMCID: PMC8350693 DOI: 10.21037/atm-21-202] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 05/23/2021] [Indexed: 01/16/2023]
Abstract
Background Despite the development of laparoscopic surgery, there are still inherent limitations associated with conventional laparoscopic instruments such as restrictions in movement and an inability for articulation. Robotic surgery may help to overcome the limitations of conventional laparoscopic surgery. The aim of this study was to present our initial experience with robotic hepatectomy (RH) and discuss the steps required to develop an RH program at a high-volume laparoscopic hepatectomy (LH) center. Methods We retrospectively reviewed prospectively collected data for 14 consecutive patients who underwent RH between 2017 and 2018. Clinicopathological characteristics and perioperative outcomes were compared with those reported in previous studies. The operation time of each procedure was analyzed to assess RH proficiency based on experience. Results Of the 14 patients, 12 patients (85.7%) underwent robotic major hepatectomy. Median patient age was 54.5 years, while median body mass index (BMI) was 25.2 kg/m2. The median operation time was 360 (range: 145–544) min. The median estimated blood loss (EBL) was 300 (range: 50–1,400) mL. Conversion to open surgery was not required in any case. The median length of hospital stay was 5 (range: 4–14) days. Major complications occurred in 2 patients (14.2%), although both recovered without sequelae. The time required for hilar dissection, docking, and parenchymal transection gradually decreased after the first two cases of RH. Conclusions From our initial experience, RH might be considered as a feasible procedure in the liver resection, even in major hepatectomy. In addition, surgeons with sufficient experience in LH could rapidly adapt for RH. However, we have to make a system for education and monitoring of this innovative surgery for the patients’ safety.
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Affiliation(s)
- Boram Lee
- Department of Surgery, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - YoungRok Choi
- Department of Surgery, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Jai Young Cho
- Department of Surgery, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Yoo-Seok Yoon
- Department of Surgery, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Ho-Seong Han
- Department of Surgery, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seoul, Korea
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Chua D, Syn N, Koh YX, Goh BKP. Learning curves in minimally invasive hepatectomy: systematic review and meta-regression analysis. Br J Surg 2021; 108:351-358. [PMID: 33779690 DOI: 10.1093/bjs/znaa118] [Citation(s) in RCA: 66] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Revised: 06/07/2020] [Accepted: 11/10/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND Minimally invasive hepatectomy (MIH) has become an important option for the treatment of various liver tumours. A major concern is the learning curve required. The aim of this study was to perform a systematic review and summarize current literature analysing the learning curve for MIH. METHODS A systematic review of the literature pertaining to learning curves in MIH to July 2019 was performed using PubMed and Scopus databases. All original full-text articles published in English relating to learning curves for both laparoscopic liver resection (LLR), robotic liver resection (RLR), or a combination of these, were included. To explore quantitatively the learning curve for MIH, a meta-regression analysis was performed. RESULTS Forty studies relating to learning curves in MIH were included. The median overall number of procedures required in studies utilizing cumulative summative (CUSUM) methodology for LLR was 50 (range 25-58) and for RLR was 25 (16-50). After adjustment for year of adoption of MIH, the CUSUM-derived caseload to surmount the learning curve for RLR was 47.1 (95 per cent c.i. 1.2 to 71.6) per cent; P = 0.046) less than that required for LLR. A year-on-year reduction in the number of procedures needed for MIH was observed, commencing at 48.3 cases in 1995 and decreasing to 23.8 cases in 2015. CONCLUSION The overall learning curve for MIH decreased steadily over time, and appeared less steep for RLR compared with LLR.
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Affiliation(s)
- Darren Chua
- Department of Hepatopancreatobiliary and Transplant Surgery, Singapore General Hospital, Singapore
| | - Nicholas Syn
- Department of Hepatopancreatobiliary and Transplant Surgery, Singapore General Hospital, Singapore.,Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Ye-Xin Koh
- Department of Hepatopancreatobiliary and Transplant Surgery, Singapore General Hospital, Singapore
| | - Brian K P Goh
- Department of Hepatopancreatobiliary and Transplant Surgery, Singapore General Hospital, Singapore.,Duke-National University of Singapore (NUS) Medical School, Singapore
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Schneider C, Allam M, Stoyanov D, Hawkes DJ, Gurusamy K, Davidson BR. Performance of image guided navigation in laparoscopic liver surgery - A systematic review. Surg Oncol 2021; 38:101637. [PMID: 34358880 DOI: 10.1016/j.suronc.2021.101637] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 07/04/2021] [Accepted: 07/24/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND Compared to open surgery, minimally invasive liver resection has improved short term outcomes. It is however technically more challenging. Navigated image guidance systems (IGS) are being developed to overcome these challenges. The aim of this systematic review is to provide an overview of their current capabilities and limitations. METHODS Medline, Embase and Cochrane databases were searched using free text terms and corresponding controlled vocabulary. Titles and abstracts of retrieved articles were screened for inclusion criteria. Due to the heterogeneity of the retrieved data it was not possible to conduct a meta-analysis. Therefore results are presented in tabulated and narrative format. RESULTS Out of 2015 articles, 17 pre-clinical and 33 clinical papers met inclusion criteria. Data from 24 articles that reported on accuracy indicates that in recent years navigation accuracy has been in the range of 8-15 mm. Due to discrepancies in evaluation methods it is difficult to compare accuracy metrics between different systems. Surgeon feedback suggests that current state of the art IGS may be useful as a supplementary navigation tool, especially in small liver lesions that are difficult to locate. They are however not able to reliably localise all relevant anatomical structures. Only one article investigated IGS impact on clinical outcomes. CONCLUSIONS Further improvements in navigation accuracy are needed to enable reliable visualisation of tumour margins with the precision required for oncological resections. To enhance comparability between different IGS it is crucial to find a consensus on the assessment of navigation accuracy as a minimum reporting standard.
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Affiliation(s)
- C Schneider
- Department of Surgical Biotechnology, University College London, Pond Street, NW3 2QG, London, UK.
| | - M Allam
- Department of Surgical Biotechnology, University College London, Pond Street, NW3 2QG, London, UK; General surgery Department, Tanta University, Egypt
| | - D Stoyanov
- Department of Computer Science, University College London, London, UK; Centre for Medical Image Computing (CMIC), University College London, London, UK
| | - D J Hawkes
- Centre for Medical Image Computing (CMIC), University College London, London, UK; Wellcome / EPSRC Centre for Surgical and Interventional Sciences (WEISS), University College London, London, UK
| | - K Gurusamy
- Department of Surgical Biotechnology, University College London, Pond Street, NW3 2QG, London, UK
| | - B R Davidson
- Department of Surgical Biotechnology, University College London, Pond Street, NW3 2QG, London, UK
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Learning process of laparoscopic liver resection and postoperative outcomes: chronological analysis of single-center 15-years' experience. Surg Endosc 2021; 36:3398-3406. [PMID: 34312730 DOI: 10.1007/s00464-021-08660-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Accepted: 07/16/2021] [Indexed: 10/20/2022]
Abstract
BACKGROUND Limited studies have reported the actual learning process of laparoscopic liver resection (LLR). This study aimed to chronologically evaluate our 15 years' experience of LLR. METHODS All consecutive LLRs between 2006 to 2020 were retrospectively analyzed. The time period was divided into three groups; first (2006-2010), second (2011-2015), and third (2016-2020) period. The primary endpoint of this study was a composite of overall (Clavien-Dindo grade ≥ II) or major (grade ≥ IIIa) postoperative complications within 30 days. Using the IWATE criteria (four difficulty levels based on six indices), LLR was categorized as basic (< 7 points) and advanced (≥ 7 points) one. All analyses were performed based on the intention-to-treat principles. RESULTS During the study period, a total of 382 LLRs were gradually performed (first period, n = 54; second period, n = 114, and third period, n = 214). Low incidences of overall and major complications were maintained (9.3, 10.5, and 7.0%, p = 0.514, and 1.9, 2.6, and 2.3%, p = 1.000). Meanwhile, pure LLRs (i.e., LLRs without hand-assisted or hybrid approach) and advanced LLRs were increasingly performed in 25 (46.3%), 71 (62.3%), and 205 (95.8%) patients (p < 0.001) and 3 (5.6%), 18 (15.8%), and 58 (27.1%) patients (p < 0.001), respectively. CONCLUSIONS This study suggests that stepwise approach from basic to advanced procedures and use of hand-assisted or hybrid approach during the early phases for starting LLR practice may allow for maintaining low morbidity in specialized center.
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Timing for Introduction of Total Laparoscopic Living Donor Right Hepatectomy; Initial Experience Based on the Data of Laparoscopic Major Hepatectomy. Transplantation 2021; 105:1273-1279. [PMID: 32511151 DOI: 10.1097/tp.0000000000003344] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
BACKGROUND This study evaluated the timing of safe introduction of total laparoscopic donor right hepatectomy (TLDRH) based on outcomes of laparoscopic major hepatectomy (LMH). METHODS The data of 1013 consecutive patients who underwent laparoscopic liver resection from 2003 to 2017 were reviewed; the cumulative sum method was used to evaluate the learning curve of LMH. Patients were divided into 3 groups according to the timing of introduction of TLDRH (since 2010) and learning curve of LMH. Surgical outcomes of LMH and TLDRH were evaluated. RESULTS Cumulative sum analysis demonstrated a learning curve of approximately 73 cases of LMH. In phase I (before the introduction of TLDRH, 2003-2009), 38 cases of LMH were performed. Phase II (after the introduction of TLDRH until learning curve of LMH, 2010-2014), 35 and 15 cases of LMH and TLDRH were performed, respectively. Phase III (after learning curve of LMH until 2017, 2014-2017), 59 and 20 cases of LMH and TLDRH were performed, respectively. In cases of LMH, there was significant improvement in the operation time 398.9 ± 140.9 versus 403.7 ± 165.2 versus 265.5 ± 91.7; P < 0.001), estimated blood loss (1122.9 ± 1460.2 versus 1209.3 ± 1409.1 versus 359.8 ± 268.8; P < 0.001), and open conversion rate (26.3% versus 22.9% versus 13.6%; P = 0.026) between phases I versus II versus III. In cases of TLDRH, the operation time (567.8 ± 117.9 versus 344.2 ± 71.8; P < 0.001), estimated blood loss (800.7 ± 514.8 versus 439.4 ± 347.0; P = 0.004), and hospital stay (12.5 ± 4.36 versus 9.15 ± 4.84; P = 0.025) significantly improved in phase III. CONCLUSIONS Overcoming the learning curve of LMH before starting TLDRH is advisable to ensure donor's surgical outcomes.
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Vining CC, Skowron KB, Hogg ME. Robotic gastrointestinal surgery: learning curve, educational programs and outcomes. Updates Surg 2021; 73:799-814. [PMID: 33484423 DOI: 10.1007/s13304-021-00973-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Accepted: 01/06/2021] [Indexed: 02/07/2023]
Abstract
The use of the robotic platform for gastrointestinal surgery was introduced nearly 20 years ago. However, significant growth and advancement has occurred primarily in the last decade. This is due to several advantages over traditional laparoscopic surgery allowing for more complex dissections and reconstructions. Several randomized controlled trials and retrospective reviews have demonstrated equivalent oncologic outcomes compared to open surgery with improved short-term outcomes. Unfortunately, there are currently no universally accepted or implemented training programs for robotic surgery and robotic surgery experience varies greatly. Additionally, several limitations to the robotic platform exist resulting in a distinct learning curve associated with various procedures. Therefore, implementation of robotic surgery requires a multidisciplinary team approach with commitment and investment from clinical faculty, operating room staff and hospital administrators. Additionally, there is a need for wider distribution of educational modules to train more surgeons and reduce the associated learning curve. This article will focus on the implementation of the robotic platform for surgery of the pancreas, stomach, liver, colon and rectum with an emphasis on the associated learning curve, educational platforms to develop proficiency and perioperative outcomes.
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Affiliation(s)
- Charles C Vining
- Department of Surgery, University of Chicago Medical Center, Chicago, IL, USA
| | - Kinga B Skowron
- Department of Surgery, University of Chicago Medical Center, Chicago, IL, USA
| | - Melissa E Hogg
- Department of Surgery, NorthShore University HealthSystem, Walgreens Building, Floor 2, 2650 Ridge Road, Evanston, IL, 60201, USA.
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Giglio MC, Garofalo E, Montalti R, Vanlander A, Troisi RI. The learning curve of laparoscopic ablation of liver tumors: A technically demanding procedure requiring dedicated training. EUROPEAN JOURNAL OF SURGICAL ONCOLOGY 2021; 47:2579-2585. [PMID: 34127330 DOI: 10.1016/j.ejso.2021.05.032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 04/25/2021] [Accepted: 05/15/2021] [Indexed: 11/20/2022]
Abstract
BACKGROUND Laparoscopic ablation (LA) of liver tumors is an increasingly performed procedure. However, LA is technically demanding, with inherent difficulties making LA more complex than percutaneous and open surgery ablations. This study aimed to characterize the learning curve (LC) of LAs. METHODS All consecutive LAs of malignant liver tumors performed with curative intent by a single surgeon were identified from a prospective database. A risk-adjusted cumulative summative (RA-CUSUM) analysis was used for evaluating the LC of LAs. Incomplete ablation (IA) was the outcomes measure. Performance trends were analyzed using broken-line modeling. RESULTS From June 2007 to February 2018, 241 lesions underwent LA during 151 procedures. RA-CUSUM analysis demonstrated an LC of 93 LAs (p < 0.001), with an IA rate decreasing from 12.9% to 4.7% (p = 0.027). Lesions in the posterosuperior segment and those in cirrhotic livers showed an LC of 34 and 45 tumor ablations, respectively (p=<0.001 each). Open ablations performed during the same period showed steady outcomes, indicating already acquired proficiency. CONCLUSION Completion of a steep LC is needed to gain proficiency in LAs. Dedicated training should be warranted to novices to smooth the LC and decrease LA failures.
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Affiliation(s)
- Mariano Cesare Giglio
- Division of HPB, Minimally Invasive and Robotic Surgery, Department of Clinical Medicine and Surgery, Federico II University, Naples, Italy
| | - Eleonora Garofalo
- Student in Erasmus Exchange Programme, Faculty of Medicine, Sapienza University of Rome, Rome, Italy
| | - Roberto Montalti
- Department of Public Health, Federico II University, Naples, Italy
| | - Aude Vanlander
- Department of Human Structure and Repair, Faculty of Medicine, Ghent University, Ghent, Belgium
| | - Roberto Ivan Troisi
- Division of HPB, Minimally Invasive and Robotic Surgery, Department of Clinical Medicine and Surgery, Federico II University, Naples, Italy.
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Does Chemotherapy-Induced Liver Injury Impair Postoperative Outcomes After Laparoscopic Liver Resection for Colorectal Metastases? J Gastrointest Surg 2021; 25:1203-1211. [PMID: 32410180 DOI: 10.1007/s11605-020-04636-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Accepted: 04/25/2020] [Indexed: 01/31/2023]
Abstract
BACKGROUND Chemotherapy-associated liver injuries (CALI) have been associated with poor postoperative outcome after open liver resection. To date, no data concerning any correlation of CALI and laparoscopic liver resection (LLR) are available. In the present study, we evaluated the impact of CALI on short-term outcomes in patients undergoing LLR. MATERIALS AND METHODS All patients who underwent in our department LLR for colorectal liver metastases (CRLM) from 2000 to 2016 were retrospectively reviewed. Patients were divided in 4 groups according to their pathological histology. In group 1 patients had normal liver parenchyma. Group 2 included patients with steatosis and steatohepatitis. Patients with sinusoidal obstruction syndrome (SOS) and nodular regenerative hyperplasia (NRH) were allocated to group 3, whereas the remaining with fibrosis and cirrhosis, were assigned to group 4. RESULTS A total of 490 LLR for CRLM were included in the study. Perioperative details and morbidity did not differ significantly between the four groups. Subgroup analysis showed that NRH was associated with higher amount of blood loss (p = 0.043), overall (p = 0.021) and liver-specific morbidity (p = 0.039). CONCLUSION NRH is a severe form of CALI that may worsen the short-term outcomes of patients undergoing LLR for CRLM. However, the remaining forms of CALI do not have a significant impact on perioperative outcomes after LLR.
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Unravelling the Complexity Myth for Minimally Invasive Right Hepatectomy: Liver Parenchymal Features and their Correlation to Objective Outcomes in Major Anatomical Resections. World J Surg 2021; 45:2529-2537. [PMID: 33866426 DOI: 10.1007/s00268-021-06092-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/08/2021] [Indexed: 10/21/2022]
Abstract
BACKGROUND Minimally invasive approaches to major liver resection have been limited by presumed difficulty of the operation. While some concerns arise from mastering the techniques, factors such as tumor size and liver parenchymal features have anecdotally been described as surrogates for operative difficulty. These factors have not been systematically studied for minimally invasive right hepatectomy (MIRH). METHODS Seventy-five patients who underwent MIRH during 2007-2016 by the senior author were evaluated; these were compared to control group of open right hepatectomy. Demographics, operative, and post-operative variables were collected. Operative times and estimated blood loss, two objective parameters of operative difficulty were correlated to volume of hepatic resection, parenchymal transection diameter and liver parenchymal features using regression analysis. RESULTS Thirty-eight (50.6%) resections were performed for malignant indications. Average tumor size was 5.7 cm (±3.6), mean operative time was 196 min (±74), and mean EBL was 220 mL (±170). Average transection diameter was 10.1 cm (±1.7). There was no correlation between operative difficulty with parenchymal transection diameter or presence of steatosis. Blood loss was higher with increased right hepatic lobe volume and body mass index. CONCLUSIONS This analysis of a very defined anatomical resection suggests that the often quoted radiographic and pathologic features indicative of a challenging procedure were not significant in determining operative difficulty.
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Shen ZF, Liang X. Current status of radical laparoscopy for treating hepatocellular carcinoma with portal hypertension. World J Clin Cases 2021; 9:2419-2432. [PMID: 33889608 PMCID: PMC8040172 DOI: 10.12998/wjcc.v9.i11.2419] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 12/31/2020] [Accepted: 02/01/2021] [Indexed: 02/06/2023] Open
Abstract
The laparoscopic technique is clinically effective in treating hepatocellular carcinoma (HCC) with portal hypertension (PHT). However, existing studies lack systematic arrangement and induction. Here, we review the latest research advancement in laparoscopic technique for treatment of HCC with PHT, based on published literature and our single-institution experience. Our single-center experience reveals no statistical difference in both short- and long-term prognosis of HCC patients after laparoscopic liver resection (LLR), regardless of whether they suffer from PHT, which is consistent with previous studies on the use of LLR for HCC with PHT. Retrieval outcomes indicate existence of short- and long-term prognostic superiority, following laparoscopic treatment, relative to non-laparoscopic treatment. Besides that, LLR offers long-term prognostic advantage compared to laparoscopic radiofrequency ablation. In addition, we review the previous literature and propose corresponding perspectives on the therapy of hypersplenism, the utilization of Pringle maneuver, and the adoption of anatomical hepatectomy during radical laparoscopic treatment. HCC with PHT is not the "forbidden zone" of radical laparoscopic treatment. However, patients’ preoperative liver function should be adequately estimated.
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Affiliation(s)
- Ze-Feng Shen
- Department of General Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou 310016, Zhejiang Province, China
| | - Xiao Liang
- Department of General Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou 310016, Zhejiang Province, China
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Wang S, Yue Y, Zhang W, Liu Q, Sun B, Sun X, Yu D. Dorsal approach with Glissonian approach for laparoscopic right anatomic liver resections. BMC Gastroenterol 2021; 21:138. [PMID: 33771126 PMCID: PMC7995593 DOI: 10.1186/s12876-021-01726-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Accepted: 03/17/2021] [Indexed: 12/13/2022] Open
Abstract
Background Laparoscopic anatomic hepatectomy (LAH) has gradually become a routine surgical procedure. However, how to expose the whole hepatic vein and avoid the hepatic vein laceration is still a challenge because of the caudate lobe, particularly in right hepatectomy. We adopted a dorsal approach combined with Glissionian appraoch to perform laparoscopic right anatomic hepatectomy (LRAH). Methods Twenty patients who underwent LRAH from January 2017 to November 2018 were retrospectively analysed. Of these patients, seven patients underwent laparoscopic right hemihepatectomy (LRH group), seven patients who underwent laparoscopic right posterior hepatectomy (LRPH group), and six patients who underwent laparoscopic hepatectomy for segment 7 (LS7 group). The paracaval portion of caudate lobe could be transected firstly through dorsal approach and the corresponding major hepatic vein could be exposed from its root to the peripheral branches safely. Due to exposure along the major hepatic vein trunk, the remaining liver parenchyma could be quickly transected from dorsal to cranial side. Results The mean age of the patients was 53.8 years and the male: female ratio was 8:12. The median operation time was 306.0 ± 58.2 min and the mean estimated volume of blood loss was 412.5 ± 255.4 mL. The mean duration of postoperative hospital stay was 10.2 days. The mean Pringle maneuver time was 64.8 ± 27.7 min. Five patients received transfusion of 2–4 U of red blood cells. Two patients suffered from transient hepatic dysfunction and one suffered from pleural effusion. None of the patients underwent conversion to an open procedure. The operative duration, volume of the blood loss, Pringle maneuver time, and postoperative hospital stay duration did not differ significantly among the LRH, LRPH, and LS7 groups (P > 0.05). Conclusions Dorsal approach combined with Glissonian approach for right lobe is feasible and effective in laparoscopic right anatomic liver resections. Supplementary Information The online version contains supplementary material available at 10.1186/s12876-021-01726-4.
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Affiliation(s)
- Shaohe Wang
- Hepatobiliary and Pancreatic Center & Liver Transplantation Center, The Affiliated Drum Tower Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu Province, People's Republic of China.,Wuxi Medical School, Jiangnan University, Wuxi, Jiangsu Province, People's Republic of China
| | - Yang Yue
- Hepatobiliary and Pancreatic Center & Liver Transplantation Center, The Affiliated Drum Tower Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu Province, People's Republic of China
| | - Wenjie Zhang
- Hepatobiliary and Pancreatic Center & Liver Transplantation Center, The Affiliated Drum Tower Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu Province, People's Republic of China
| | - Qiaoyu Liu
- Hepatobiliary and Pancreatic Center & Liver Transplantation Center, The Affiliated Drum Tower Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu Province, People's Republic of China
| | - Beicheng Sun
- Hepatobiliary and Pancreatic Center & Liver Transplantation Center, The Affiliated Drum Tower Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu Province, People's Republic of China
| | - Xitai Sun
- Hepatobiliary and Pancreatic Center & Liver Transplantation Center, The Affiliated Drum Tower Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu Province, People's Republic of China
| | - Decai Yu
- Hepatobiliary and Pancreatic Center & Liver Transplantation Center, The Affiliated Drum Tower Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu Province, People's Republic of China.
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Ziogas IA, Esagian SM, Giannis D, Hayat MH, Kosmidis D, Matsuoka LK, Montenovo MI, Tsoulfas G, Geller DA, Alexopoulos SP. Laparoscopic versus open hepatectomy for intrahepatic cholangiocarcinoma: An individual patient data survival meta-analysis. Am J Surg 2021; 222:731-738. [PMID: 33840443 DOI: 10.1016/j.amjsurg.2021.03.052] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 03/15/2021] [Accepted: 03/20/2021] [Indexed: 02/08/2023]
Abstract
BACKGROUND We compared the outcomes of laparoscopic hepatectomy (LH) vs. open hepatectomy (OH) for intrahepatic cholangiocarcinoma (iCCA). METHODS A systematic review of the MEDLINE, EMBASE, Scopus, and Cochrane Library databases was performed using PRISMA guidelines (end-of-search date: 08-June-2020). Individual patient data on overall survival (OS) and recurrence-free survival (RFS) were extracted. Random-effects meta-analyses, and one- and two-stage survival analyses were conducted. RESULTS Eight retrospective cohort studies comparing LH (n = 544) vs. OH (n = 2256) were identified. LH demonstrated lower overall complication (Risk ratio [RR] = 0.64, 95% confidence interval [CI]: 0.46-0.90; p = 0.01), surgical lymphadenectomy (RR = 0.74, 95% CI: 0.58-0.93; p = 0.01) and margin-positive resection (RR = 0.78, 95% CI: 0.62-0.99; p = 0.04) rates, and higher recurrence-free rate (RR = 1.24, 95% CI: 1.01-1.51; p = 0.04) vs. OH. In Cox regression, no difference was observed regarding OS (Hazard Ratio [HR] = 1.11, 95% CI: 0.65-1.91; p = 0.70) and RFS (HR = 1.19, 95% CI: 0.74-1.90; p = 0.47). CONCLUSION The use of LH should be considered when feasible in well-selected iCCA patients by hepatobiliary surgeons with experience in minimally-invasive surgery.
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Affiliation(s)
- Ioannis A Ziogas
- Department of Surgery, Division of Hepatobiliary Surgery and Liver Transplantation, Vanderbilt University Medical Center, Nashville, TN, USA; Surgery Working Group, Society of Junior Doctors, Athens, Greece
| | - Stepan M Esagian
- Oncology Working Group, Society of Junior Doctors, Athens, Greece
| | - Dimitrios Giannis
- Surgery Working Group, Society of Junior Doctors, Athens, Greece; Institute of Health Innovations and Outcomes Research, Northwell Health Feinstein Institutes for Medical Research, Manhasset, NY, USA
| | - Muhammad H Hayat
- Department of Medicine, Division of Gastroenterology, Hepatology and Nutrition, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Dimitrios Kosmidis
- Surgery Working Group, Society of Junior Doctors, Athens, Greece; Oncology Working Group, Society of Junior Doctors, Athens, Greece
| | - Lea K Matsuoka
- Department of Surgery, Division of Hepatobiliary Surgery and Liver Transplantation, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Martin I Montenovo
- Department of Surgery, Division of Hepatobiliary Surgery and Liver Transplantation, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Georgios Tsoulfas
- Department of Transplant Surgery, Aristotle University of Thessaloniki School of Medicine, Thessaloniki, Greece
| | - David A Geller
- Department of Surgery, Division of Hepatobiliary and Pancreatic Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Sophoclis P Alexopoulos
- Department of Surgery, Division of Hepatobiliary Surgery and Liver Transplantation, Vanderbilt University Medical Center, Nashville, TN, USA.
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Ziogas IA, Evangeliou AP, Mylonas KS, Athanasiadis DI, Cherouveim P, Geller DA, Schulick RD, Alexopoulos SP, Tsoulfas G. Economic analysis of open versus laparoscopic versus robotic hepatectomy: a systematic review and meta-analysis. THE EUROPEAN JOURNAL OF HEALTH ECONOMICS : HEPAC : HEALTH ECONOMICS IN PREVENTION AND CARE 2021; 22:585-604. [PMID: 33740153 DOI: 10.1007/s10198-021-01277-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2020] [Accepted: 02/25/2021] [Indexed: 02/06/2023]
Abstract
BACKGROUND Following the publication of reports from landmark international consensuses (Louisville 2008 and Morioka 2014), minimally invasive hepatectomy became widely accepted as a legitimate alternative to open surgery. We aimed to compare the operative, hospitalization, and total economic costs of open (OLR) vs. laparoscopic (LLR) vs. robotic liver resection (RLR). METHODS We performed a systematic literature review (end-of-search date: July 3, 2020) according to the PRISMA statement. Random-effects meta-analyses were conducted. Quality assessment was performed with the Cochrane Risk of Bias tool for randomized controlled trials, and the Newcastle-Ottawa Scale for non-randomized studies. RESULTS Thirty-eight studies reporting on 3847 patients (1783 OLR; 1674 LLR; 390 RLR) were included. The operative costs of LLR were significantly higher than those of OLR, while subgroup analysis also showed higher operative costs in the LLR group for major hepatectomy, but no statistically significant difference for minor hepatectomy. Hospitalization costs were significantly lower in the LLR group, with subgroup analyses indicating lower costs for LLR in both major and minor hepatectomy series. No statistically significant difference was observed regarding total costs between LLR and OLR both overall and on subgroup analyses in either major or minor hepatectomy series. Meta-analyses showed higher operative, hospitalization, and total costs for RLR vs. LLR, but no statistically significant difference regarding total costs for RLR vs. OLR. CONCLUSION LLR's higher operative costs are offset by lower hospitalization costs compared to OLR leading to no statistically significant difference in total costs, while RLR appears to be a more expensive alternative approach.
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Affiliation(s)
- Ioannis A Ziogas
- Department of Surgery, Division of Hepatobiliary Surgery and Liver Transplantation, Vanderbilt University Medical Center, 1313 21st Avenue South, Nashville, TN, 37232-4753, USA. .,Surgery Working Group, Society of Junior Doctors, Athens, Greece.
| | - Alexandros P Evangeliou
- Surgery Working Group, Society of Junior Doctors, Athens, Greece.,Aristotle University of Thessaloníki School of Medicine, Thessaloníki, Greece
| | - Konstantinos S Mylonas
- Surgery Working Group, Society of Junior Doctors, Athens, Greece.,National and Kapodistrian University of Athens School of Medicine, Athens, Greece
| | - Dimitrios I Athanasiadis
- Surgery Working Group, Society of Junior Doctors, Athens, Greece.,Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, USA
| | | | - David A Geller
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Richard D Schulick
- Department of Surgery, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Sophoclis P Alexopoulos
- Department of Surgery, Division of Hepatobiliary Surgery and Liver Transplantation, Vanderbilt University Medical Center, 1313 21st Avenue South, Nashville, TN, 37232-4753, USA
| | - Georgios Tsoulfas
- Department of Transplant Surgery, Aristotle University of Thessaloniki School of Medicine, Thessaloníki, Greece
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Modasi A, Sucandy I, Ross S, Krill E, Castro M, Lippert T, Luberice K, Rosemurgy A. The effect of diabetes on major robotic hepatectomy. J Robot Surg 2021; 16:137-142. [PMID: 33682066 DOI: 10.1007/s11701-021-01223-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Accepted: 02/28/2021] [Indexed: 11/27/2022]
Abstract
Studies regarding the influence of diabetes on perioperative outcomes after major hepatectomy are conflicting. The objective of this study is to analyze the effects of diabetes on patients undergoing robotic major hepatectomy. With Institutional Review Board (IRB) approval, 94 patients undergoing major hepatectomy were prospectively followed. Demographic data and postoperative outcomes were analyzed and compared between diabetic and non-diabetic patients. Data were presented as median (mean ± SD). Patients were of age 62 (61 ± 13.0) years, BMI of 29 (29 ± 5.9) kg/m2, and ASA class of 3 (3 ± 0.55). The mass size was 5 (5 ± 3.0) cm. Operative duration was 252 (277 ± 106.6) min with estimated blood loss (EBL) was 175 (249 ± 275.9) mL. One operation was converted to 'open' due to bleeding, accounting for one intraoperative complication. Postoperatively, nine patients required ICU admission, with a duration of 1 (4 ± 5.9) day. Seven patients had postoperative complications. Length of stay (LOS) was 4 (4 ± 2.6) days. Fourteen patients were readmitted within 30 days. There were no deaths in-hospital or within 30 days. Of the 94 patients, 22 were diabetic and 72 were nondiabetic. Diabetic patients were older (70 (69 ± 11.3) years versus 58 (58 ± 12.4) years (p = 0.004)). Intraoperatively, operative duration, EBL, and complications were not significantly different. Postoperatively, LOS, ICU admission, ICU duration, complications, in-hospital mortality, readmission in 30 days, and death after 30 days showed no significant difference between diabetics and nondiabetics. In our experience, diabetes has no significant effect on perioperative outcomes after a robotic major hepatectomy.
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Affiliation(s)
- Aryan Modasi
- AdventHealth Tampa, Digestive Health Institute, Tampa, FL, USA
| | - Iswanto Sucandy
- AdventHealth Tampa, Digestive Health Institute, Tampa, FL, USA.
- AdventHealth Tampa, 3000 Medical Park Drive Suite 500, Tampa, FL, 33613, USA.
| | - Sharona Ross
- AdventHealth Tampa, Digestive Health Institute, Tampa, FL, USA
| | - Emily Krill
- AdventHealth Tampa, Digestive Health Institute, Tampa, FL, USA
| | - Miguel Castro
- AdventHealth Tampa, Digestive Health Institute, Tampa, FL, USA
| | - Trenton Lippert
- AdventHealth Tampa, Digestive Health Institute, Tampa, FL, USA
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Long-Term and Oncologic Outcomes of Robotic Versus Laparoscopic Liver Resection for Metastatic Colorectal Cancer: A Multicenter, Propensity Score Matching Analysis. World J Surg 2020; 44:887-895. [PMID: 31748885 DOI: 10.1007/s00268-019-05270-x] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
BACKGROUND To assess long-term oncologic outcomes of robotic-assisted liver resection (RLR) for colorectal cancer (CRC) metastases as compared to a propensity-matched cohort of laparoscopic liver resections (LLR). Although safety and short-term outcomes of RLR have been described and previously compared to LLR, long-term and oncologic data are lacking. METHODS A retrospective study was performed of all patients who underwent RLR and LLR for CRC metastases at six high-volume centers in the USA and Europe between 2002 and 2017. Propensity matching was used to match baseline characteristics between the two groups. Data were analyzed with a focus on postoperative and oncologic outcomes, as well as long-term recurrence and survival. RESULTS RLR was performed in 115 patients, and 514 patients underwent LLR. Following propensity matching 115 patients in each cohort were compared. Perioperative outcomes including mortality, morbidity, reoperation, readmission, intensive care requirement, length-of-stay and margin status were not statistically different. Both prematching and postmatching analyses demonstrated similar overall survival (OS) and disease-free survival (DFS) between RLR and LLR at 5 years (61 vs. 60% OS, p = 0.87, and 38 vs. 31% DFS, p = 0.25, prematching; 61 vs. 60% OS, p = 0.78, and 38 vs. 44% DFS, p = 0.62, postmatching). CONCLUSIONS Propensity score matching with a large, multicenter database demonstrates that RLR for colorectal metastases is feasible and safe, with perioperative and long-term oncologic outcomes and survival that are largely comparable to LLR.
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van der Heijde N, Ratti F, Aldrighetti L, Benedetti Cacciaguerra A, Can MF, D'Hondt M, Di Benedetto F, Ivanecz A, Magistri P, Menon K, Papoulas M, Vivarelli M, Besselink MG, Abu Hilal M. Laparoscopic versus open right posterior sectionectomy: an international, multicenter, propensity score-matched evaluation. Surg Endosc 2020; 35:6139-6149. [PMID: 33140153 PMCID: PMC8523385 DOI: 10.1007/s00464-020-08109-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Accepted: 10/16/2020] [Indexed: 12/22/2022]
Abstract
Background Although laparoscopic liver resection has become the standard for minor resections, evidence is lacking for more complex resections such as the right posterior sectionectomy (RPS). We aimed to compare surgical outcomes between laparoscopic (LRPS) and open right posterior sectionectomy (ORPS). Methods An international multicenter retrospective study comparing patients undergoing LRPS or ORPS (January 2007—December 2018) was performed. Patients were matched based on propensity scores in a 1:1 ratio. Primary endpoint was major complication rate defined as Accordion ≥ 3 grade. Secondary endpoints included blood loss, length of hospital stay (LOS) and resection status. A sensitivity analysis was done excluding the first 10 LRPS patients of each center to correct for the learning curve. Additionally, possible risk factors were explored for operative time, blood loss and LOS. Results Overall, 399 patients were included from 9 centers from 6 European countries of which 150 LRPS could be matched to 150 ORPS. LRPS was associated with a shorter operative time [235 (195–285) vs. 247 min (195–315) p = 0.004], less blood loss [260 (188–400) vs. 400 mL (280–550) p = 0.009] and a shorter LOS [5 (4–7) vs. 8 days (6–10), p = 0.002]. Major complication rate [n = 8 (5.3%) vs. n = 9 (6.0%) p = 1.00] and R0 resection rate [144 (96.0%) vs. 141 (94.0%), p = 0.607] did not differ between LRPS and ORPS, respectively. The sensitivity analysis showed similar findings in the previous mentioned outcomes. In multivariable regression analysis blood loss was significantly associated with the open approach, higher ASA classification and malignancy as diagnosis. For LOS this was the open approach and a malignancy. Conclusion This international multicenter propensity score-matched study showed an advantage in favor of LRPS in selected patients as compared to ORPS in terms of operative time, blood loss and LOS without differences in major complications and R0 resection rate. Electronic supplementary material The online version of this article (10.1007/s00464-020-08109-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Nicky van der Heijde
- Department of Surgery, Southampton University Hospital, Southampton, UK
- Department of Surgery, Cancer Centre Amsterdam, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | | | | | - Andrea Benedetti Cacciaguerra
- HPB Surgery and Transplantation Unit, Department of Clinical and Experimental Medicine, Polytechnic University of Marche, Ancona, Italy
- Department of Surgery, Fondazione Poliambulanza - Instituto Ospedaliero, Brescia, Italy
| | - Mehmet F Can
- Department of Surgery, Lokman Hekim University School of Medicine, Ankara, Turkey
| | - Mathieu D'Hondt
- Department of Surgery, AZ Groeninge Hospital, Kortrijk, Belgium
| | | | - Arpad Ivanecz
- Department of Abdominal and General Surgery, University Medical Centre Maribor, Maribor, Slovenia
| | - Paolo Magistri
- Department of Surgery, University of Modena, Modena, Italy
| | - Krishna Menon
- Department of Surgery, King's College Hospital, London, UK
| | | | - Marco Vivarelli
- HPB Surgery and Transplantation Unit, Department of Clinical and Experimental Medicine, Polytechnic University of Marche, Ancona, Italy
| | - Marc G Besselink
- Department of Surgery, Cancer Centre Amsterdam, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - Mohammed Abu Hilal
- Department of Surgery, Southampton University Hospital, Southampton, UK.
- Department of Surgery, Fondazione Poliambulanza - Instituto Ospedaliero, Brescia, Italy.
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Liu Q, Li J, Zhou L, Gu H, Wu K, You N, Wang Z, Wang L, Zhu Y, Gan H, Zheng L. Liver Parenchyma Transection-First Approach for Laparoscopic Left Hemihepatectomy: A Propensity Score Matching Analysis. World J Surg 2020; 45:615-623. [PMID: 33140119 DOI: 10.1007/s00268-020-05846-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/11/2020] [Indexed: 01/22/2023]
Abstract
BACKGROUND Laparoscopic major liver resection, such as laparoscopic left hemihepatectomy (LLH), is still perceived as a complicated procedure due to technical difficulties and slow learning curve. The study introduced an optimized procedure using the liver parenchyma transection-first approach and investigated its advantages on surgical outcomes by comparison with the conventional hilar dissection approach for LLH. METHODS Between January 2015 and May 2019, 96 patients who underwent laparoscopic left hemihepatectomy for hepatocellular carcinoma (HCC) were enrolled in the study. Among these, 41 patients underwent the liver parenchyma transection-first approach (LP-first group) and the other 55 underwent the conventional hilar dissection approach (conventional group). A 1:1 propensity score matching (PSM) was performed to compare the perioperative and long-term oncological outcomes of the two groups. RESULTS After 1:1 PSM, 37 patients in each group were selected for further analysis. The LP-first group was associated with shorter median operative time (210 vs 235 min, P = 0.035) and less blood loss (200 vs 300 mL, P = 0.410). In addition, no statistical differences were found in overall complications between the two groups (8.1% vs 24.3%, P = 0.058). There were no significant differences between the two groups in terms of 1-year and 3-year disease-free survival (DFS, P = 0.608) and overall survival (OS, P = 0.414). CONCLUSION The prior liver parenchyma approach for LLH is safe and reproducible in selected patients, which showed improved perioperative outcomes and comparable long-term oncological outcomes compared with the conventional approach.
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Affiliation(s)
- Qinqin Liu
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Army Medical University, No. 183 Xinqiao High Street, Shapingba District, Chongqing, 400037, China
| | - Jing Li
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Army Medical University, No. 183 Xinqiao High Street, Shapingba District, Chongqing, 400037, China
| | - Ledu Zhou
- Department of Liver Surgery, Xiangya Hospital, Central South University, Changsha, China
| | - Huiying Gu
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Army Medical University, No. 183 Xinqiao High Street, Shapingba District, Chongqing, 400037, China
| | - Ke Wu
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Army Medical University, No. 183 Xinqiao High Street, Shapingba District, Chongqing, 400037, China
| | - Nan You
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Army Medical University, No. 183 Xinqiao High Street, Shapingba District, Chongqing, 400037, China
| | - Zheng Wang
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Army Medical University, No. 183 Xinqiao High Street, Shapingba District, Chongqing, 400037, China
| | - Liang Wang
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Army Medical University, No. 183 Xinqiao High Street, Shapingba District, Chongqing, 400037, China
| | - Yinan Zhu
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Army Medical University, No. 183 Xinqiao High Street, Shapingba District, Chongqing, 400037, China
| | - Hui Gan
- Department of Radiology, The Second Affiliated Hospital of Army Medical University, Chongqing, China
| | - Lu Zheng
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Army Medical University, No. 183 Xinqiao High Street, Shapingba District, Chongqing, 400037, China.
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Hobeika C, Fuks D, Cauchy F, Goumard C, Gayet B, Laurent A, Soubrane O, Salamé E, Cherqui D, Regimbeau JM, Mabrut JY, Scatton O, Vibert E. Benchmark performance of laparoscopic left lateral sectionectomy and right hepatectomy in expert centers. J Hepatol 2020; 73:1100-1108. [PMID: 32407812 DOI: 10.1016/j.jhep.2020.05.003] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 05/01/2020] [Accepted: 05/05/2020] [Indexed: 02/06/2023]
Abstract
BACKGROUND & AIMS Herein, we aimed to establish benchmark values - based on a composite indicator of healthcare quality - for the performance of laparoscopic left lateral sectionectomy (LLLS) and laparoscopic right hepatectomy (LRH) using data from expert centers. METHODS Data from a nationwide multicenter survey including all patients undergoing LLLS and LRH between 2000 and 2017 were analyzed. Textbook outcome (TO) completion was considered in patients fulfilling all 6 of the following characteristics: negative margins, no transfusion, no complication, no prolonged hospital stay, no readmission and no mortality. For each procedure, a cut-off laparoscopic liver resection (LLR) volume by center was associated with TO on multivariable analysis. These cut-offs defined the expert centers. The benchmark values were set at the 75th percentile of median outcomes among these expert centers. RESULTS Among 4,400 LLRs performed in 29 centers, 855 patients who underwent LLLS and 488 who underwent LRH were identified. The overall incidences of TO after LLLS and LRH were 43.7% and 23.8%, respectively. LLR volume cut-offs of 25 LLR/year (odds ratio [OR] 2.45; bootstrap 95% CI 1.65-3.69; p = 0.001) and 35 LLR/year (OR 2.55; bootstrap 95% CI 1.34-5.63; p = 0.003) were independently associated with completion of TO after LLLS and LRH, respectively. Eight centers for LLLS and 6 centers for LRH, including 516 and 346 patients undergoing LLLS/LRH respectively, reached these cut-offs and were identified as expert centers. After LLLS, benchmark values of severe complication, mortality and TO completion were defined as ≤5.3%, ≤1.2% and ≥46.6%, respectively. After LRH, benchmark values of severe complication, mortality and TO completion were ≤20.4%, ≤2.8% and ≥24.2%, respectively. CONCLUSIONS This study provides an up-to-date reference on the benchmark performance of LLLS and LRH in expert centers. LAY SUMMARY In a nationwide French survey of laparoscopic liver resection, expert centers were defined according to the completion of a textbook outcome, which is a composite indicator of healthcare quality. Benchmark values regarding intra-operative details and outcomes were established using data from 516 patients with laparoscopic left lateral sectionectiomy and 346 patients with laparoscopic right hepatectomy from expert centers. These values should be used as a reference point to improve the quality of laparoscopic resections.
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Affiliation(s)
- Christian Hobeika
- Department of Hepato-Biliary and Pancreatic Surgery and Liver Transplantation - Sorbonne Université, CRCA Saint Antoine, Hôpital Pitié Salpétrière, 47 boulevard de l'hôpital, 75013, Paris, France.
| | - David Fuks
- Department of Digestive, Oncologic and Metabolic Surgery - Institut Mutualiste Montsouris, University Paris Descartes, 42 Boulevard Jourdan, 75014 Paris, France
| | - François Cauchy
- Department of Hepato-Biliary and Pancreatic Surgery and Liver Transplantation - Hôpital Beaujon, 100 Boulevard Général Leclerc, 92118 Clichy, France
| | - Claire Goumard
- Department of Hepato-Biliary and Pancreatic Surgery and Liver Transplantation - Sorbonne Université, CRCA Saint Antoine, Hôpital Pitié Salpétrière, 47 boulevard de l'hôpital, 75013, Paris, France
| | - Brice Gayet
- Department of Digestive, Oncologic and Metabolic Surgery - Institut Mutualiste Montsouris, University Paris Descartes, 42 Boulevard Jourdan, 75014 Paris, France
| | - Alexis Laurent
- Department of Digestive Surgery, APHP, Henri Mondor Hospital, Créteil, Île-de-France, France
| | - Olivier Soubrane
- Department of Hepato-Biliary and Pancreatic Surgery and Liver Transplantation - Hôpital Beaujon, 100 Boulevard Général Leclerc, 92118 Clichy, France
| | - Ephrem Salamé
- Department of Digestive, Oncological, Endocrine, Hepato-Biliary and Pancreatic Surgery, and Liver Transplantation, Trousseau Hospital, University Hospital of Tours, France
| | - Daniel Cherqui
- Department of Hepato-Biliary and Pancreatic Surgery and Liver Transplantation - Centre hépato-biliaire de Paul Brousse, 38 rue de la Chapelle, 94800, Villejuif, France
| | - Jean-Marc Regimbeau
- Department of Digestive Surgery, Amiens, France; SSPC (Simplification des Soins des Patients Complexes) - Unit of Clinical Research, University of Picardie Jules Verne, Amiens, France
| | - Jean-Yves Mabrut
- Department of General Surgery and Liver Transplantation, Hôpital de la Croix-Rousse, Hospices Civils de Lyon, Université Claude Bernard Lyon 1, Lyon, France
| | - Olivier Scatton
- Department of Hepato-Biliary and Pancreatic Surgery and Liver Transplantation - Sorbonne Université, CRCA Saint Antoine, Hôpital Pitié Salpétrière, 47 boulevard de l'hôpital, 75013, Paris, France
| | - Eric Vibert
- Department of Hepato-Biliary and Pancreatic Surgery and Liver Transplantation - Centre hépato-biliaire de Paul Brousse, 38 rue de la Chapelle, 94800, Villejuif, France
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Keyt LK, Jensen AR, O'Driscoll SW, Sanchez-Sotelo J, Morrey ME, Camp CL. Establishing the learning curve for elbow arthroscopy: surgeon and trainee perspectives on number of cases needed and optimal methods for acquiring skill. J Shoulder Elbow Surg 2020; 29:e434-e442. [PMID: 32778381 DOI: 10.1016/j.jse.2020.04.022] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 04/06/2020] [Accepted: 04/12/2020] [Indexed: 02/01/2023]
Abstract
BACKGROUND Elbow arthroscopy has increased in frequency as its indications have widened. Despite this growth, a learning curve has not yet been defined. HYPOTHESIS We hypothesized that there would be significant differences in perspective between trainees and established surgeons for the number of cases needed to reach each skill level and what they felt are the most valuable training tools. METHODS Orthopedic attending physicians and trainees were asked to complete a questionnaire assessing participant demographics, case volumes required to reach defined skill levels (novice, safe, competent, proficient, and expert), and the efficacy of various learning methodologies for elbow arthroscopy. The value of educational methods was assessed using a 5-point Likert scale (1 = not at all valuable; 5 = extremely valuable). RESULTS The study population consisted of 323 total participants, of whom 224 (69.3%) were attending surgeons and 99 (30.7%) were trainees (resident or fellow physicians). According to the attending physicians, the mean numbers of cases needed to reach each skill level were 19 to be safe, 42 to be competent, 93 to be proficient, and 230 to be expert. These case numbers were not significantly different from the perspectives of trainees. Across the respondents, there were no significant differences in the number of cases needed to reach each level of skill based on the respondents' level of training, years of experience, type of fellowship, or self-reported skill level.Although both groups highly valued live surgery (4.7 of 5) and cadaveric practice (4.6 of 5) for acquiring skill, attendings placed higher value on reading (4.0 vs. 3.3, P < .001), videos/live demos (4.2 vs. 3.6, P < .001), and formal courses (4.5 vs. 4.1, P < .001) than trainees. Both groups place relatively low value on surgical simulators (2.8-3.6). CONCLUSIONS There was considerable agreement among attending surgeons and trainees in terms of the number of cases needed to attain various skill levels of elbow arthroscopy, which was consistent regardless of fellowship background, self-reported skill level, career length, and elbow arthroscopy case volume. However, there was some disagreement between attending surgeons and trainees over the most valuable methods for acquiring surgical skill with trainees placing less value on textbooks, surgical videos, and formal courses compared with attending surgeons. An understanding of the elbow arthroscopy learning curve will help trainees and their training programs establish case volume targets before safe, independent practice. Future studies should aim to clinically validate this learning curve.
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Affiliation(s)
- Lucas K Keyt
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
| | - Andrew R Jensen
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
| | | | | | - Mark E Morrey
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA
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