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Sauro KM, Smith C, Ibadin S, Thomas A, Ganshorn H, Bakunda L, Bajgain B, Bisch SP, Nelson G. Enhanced Recovery After Surgery Guidelines and Hospital Length of Stay, Readmission, Complications, and Mortality: A Meta-Analysis of Randomized Clinical Trials. JAMA Netw Open 2024; 7:e2417310. [PMID: 38888922 PMCID: PMC11195621 DOI: 10.1001/jamanetworkopen.2024.17310] [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: 02/05/2024] [Accepted: 04/17/2024] [Indexed: 06/20/2024] Open
Abstract
Importance A comprehensive review of the evidence exploring the outcomes of enhanced recovery after surgery (ERAS) guidelines has not been completed. Objective To evaluate if ERAS guidelines are associated with improved hospital length of stay, hospital readmission, complications, and mortality compared with usual surgical care, and to understand differences in estimates based on study and patient factors. Data Sources MEDLINE, Embase, Cumulative Index to Nursing and Allied Health Literature, and Cochrane Central were searched from inception until June 2021. Study Selection Titles, abstracts, and full-text articles were screened by 2 independent reviewers. Eligible studies were randomized clinical trials that examined ERAS-guided surgery compared with a control group and reported on at least 1 of the outcomes. Data Extraction and Synthesis Data were abstracted in duplicate using a standardized data abstraction form. The study followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses. Risk of bias was assessed in duplicate using the Cochrane Risk of Bias tool. Random-effects meta-analysis was used to pool estimates for each outcome, and meta-regression identified sources of heterogeneity within each outcome. Main Outcome and Measures The primary outcomes were hospital length of stay, hospital readmission within 30 days of index discharge, 30-day postoperative complications, and 30-day postoperative mortality. Results Of the 12 047 references identified, 1493 full texts were screened for eligibility, 495 were included in the systematic review, and 74 RCTs with 9076 participants were included in the meta-analysis. Included studies presented data from 21 countries and 9 ERAS-guided surgical procedures with 15 (20.3%) having a low risk of bias. The mean (SD) Reporting on ERAS Compliance, Outcomes, and Elements Research checklist score was 13.5 (2.3). Hospital length of stay decreased by 1.88 days (95% CI, 0.95-2.81 days; I2 = 86.5%; P < .001) and the risk of complications decreased (risk ratio, 0.71; 95% CI, 0.59-0.87; I2 = 78.6%; P < .001) in the ERAS group. Risk of readmission and mortality were not significant. Conclusions and Relevance In this meta-analysis, ERAS guidelines were associated with decreased hospital length of stay and complications. Future studies should aim to improve implementation of ERAS and increase the reach of the guidelines.
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Affiliation(s)
- Khara M. Sauro
- Department of Community Health Sciences and O’Brien Institute of Public Health, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
- Department of Surgery, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
- Department of Oncology and Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Christine Smith
- Department of Community Health Sciences and O’Brien Institute of Public Health, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Seremi Ibadin
- Department of Community Health Sciences and O’Brien Institute of Public Health, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Abigail Thomas
- Department of Community Health Sciences and O’Brien Institute of Public Health, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Heather Ganshorn
- Libraries and Cultural Resources, University of Calgary, Calgary, Alberta, Canada
| | - Linda Bakunda
- Department of Community Health Sciences and O’Brien Institute of Public Health, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Bishnu Bajgain
- Department of Community Health Sciences and O’Brien Institute of Public Health, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Steven P. Bisch
- Department of Obstetrics and Gynecology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Gregg Nelson
- Department of Obstetrics and Gynecology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
- Ariadne Labs, Brigham and Women’s Hospital, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
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Wu Y, Li Y, Che L, Du X, Jin X. Citation analysis on the research frontiers and evolution of enhanced recovery after surgery. J Nurs Manag 2021; 30:827-835. [PMID: 34970786 DOI: 10.1111/jonm.13541] [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: 10/18/2021] [Revised: 12/14/2021] [Accepted: 12/18/2021] [Indexed: 11/27/2022]
Abstract
AIMS To evaluate the research frontiers and evolution laws in the field of enhanced recovery after surgery (ERAS) and to predict the next direction of development. BACKGROUND In recent years, the clinical applications of ERAS have been widely recognized by the medical community. Nursing work is present throughout the entire process, and nurses not only play a role in multidisciplinary coordination, but also maintain independent professional characteristics. METHODS The citation analysis method was used to analyze the research documents in the Web of Science database over the last 10 years. RESULTS The number of documents in the field published from 2011 to 2020 increased annually. The application in colorectal surgery was the most important research frontier. From 2016 to 2020, the research frontiers were diversified. The application in colorectal surgery remains the most important research frontier, and perioperative nursing will play an important role in the future. CONCLUSIONS This study used citation analysis to analyze the research frontiers and evolution of ERAS in the last 10 years. IMPLICATIONS FOR NURSING MANAGEMENT This research will help nursing managers to carry out research and clinical promotion plans in the ERAS field and guide the transformation of scientific research achievements into nursing practice.
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Affiliation(s)
- Ying Wu
- School of Humanities and Social Sciences, Shanxi Medical University, Taiyuan, China
| | - Yan Li
- School of Humanities and Social Sciences, Shanxi Medical University, Taiyuan, China
| | - Leilei Che
- School of Humanities and Social Sciences, Shanxi Medical University, Taiyuan, China
| | - Xiangyu Du
- School of Humanities and Social Sciences, Shanxi Medical University, Taiyuan, China
| | - Xing Jin
- Department of Anesthesiology, Shanxi Cancer Hospital, Taiyuan, China
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Dengsø KE, Thomsen T, Andersen EW, Hansen CP, Christensen BM, Hillingsø J, Dalton SO. The psychological symptom burden in partners of pancreatic cancer patients: a population-based cohort study. Support Care Cancer 2021; 29:6689-6699. [PMID: 33963908 DOI: 10.1007/s00520-021-06251-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Accepted: 04/26/2021] [Indexed: 11/30/2022]
Abstract
PURPOSE Pancreatic cancer (PC) has high morbidity and mortality and is stressful for patients and their partners. We investigated the psychological symptom burden in partners of PC patients. METHODS We followed 5774 partners of PC patients diagnosed from 2000 to 2016 up for first redeemed prescriptions of antidepressants or hospital admission, anxiolytics, and hypnotics as proxies for clinical depression, anxiety, and insomnia and compared them with 59,099 partners of cancer-free spouses. Data were analysed using Cox regression and multistate Markov models. RESULTS The cumulative incidence proportion of first depression was higher in partners of PC patients compared to comparisons. The highest adjusted HR of first depression was seen the first year after diagnosis (HR 3.2 (95% CI: 2.9; 3.7)). Educational level, chronic morbidity, and bereavement status were associated with an increased risk of first depression. There was a significantly higher first acute use (1 prescription only) of both anxiolytics and hypnotics and chronic use (3+ prescriptions) of hypnotics in partners of PC patients than in comparisons. CONCLUSION Being a partner to a PC patient carries a substantial psychological symptom burden and increases the risk for first depression and anxiolytic use and long-term use of hypnotics. Attention should be given to the psychological symptom burden of partners of PC patients, as this may pose a barrier for the optimal informal care and support of the PC patient, as well as a risk for non-optimal management of symptoms in the partner.
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Affiliation(s)
- Kristine Elberg Dengsø
- Department of Surgery, Rigshospitalet, Copenhagen University, Copenhagen, Denmark.
- Unit of Survivorship & Inequality in Cancer, Danish Cancer Society Research Centre, Danish Cancer Society, Copenhagen, Denmark.
| | - Thordis Thomsen
- Herlev Acute, Critical and Emergency Care Science Unit, Department of Anaesthesiology, Herlev and Gentofte Hospital, Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Elisabeth Wreford Andersen
- Statistics and Data Analysis, Danish Cancer Society Research Centre, Danish Cancer Society, Copenhagen, Denmark
| | | | | | - Jens Hillingsø
- Department of Surgery, Rigshospitalet, Copenhagen University, Copenhagen, Denmark
| | - Susanne Oksbjerg Dalton
- Unit of Survivorship & Inequality in Cancer, Danish Cancer Society Research Centre, Danish Cancer Society, Copenhagen, Denmark
- Department of Clinical Oncology & Palliative Care, Zealand University Hospital, Naestved, Denmark
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Dengsø KE, Andersen EW, Thomsen T, Hansen CP, Christensen BM, Hillingsø J, Dalton SO. Increased psychological symptom burden in patients with pancreatic cancer: A population-based cohort study. Pancreatology 2020; 20:511-521. [PMID: 31973981 DOI: 10.1016/j.pan.2020.01.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Accepted: 01/02/2020] [Indexed: 02/06/2023]
Abstract
BACKGROUND/OBJECTIVE To investigate the psychological symptom burden in patients with pancreatic cancer. METHODS We used Danish population-based registries to identify 10,793 pancreatic cancer patients and 109,238 age and gender matched cancer-free comparison persons between the years 2000-2016. The cohorts were followed up to five years for first prescription for antidepressants, anxiolytics or hypnotics as proxies for the psychological symptom burden of depression, anxiety or insomnia. Cumulated incidence proportions were analysed using the pseudo-value approach and hazards were estimated with Cox regression models adjusted for potential confounders. RESULTS The highest HR for first antidepressant use was seen in the first six months after diagnosis (HR 8.73 (95% CI: 7.57; 10.06)). Within the first two years the overall estimated cumulated probability of 12.9% (95% CI: 12%; 13.8%) in pancreatic cancer patients, and 4.6% (95% CI: 4.5%; 4.8%) in comparisons, and 20.4% and 31.4% patients received first prescription of anxiolytics or hypnotics, respectively. We found no difference in HRs of first antidepressant by gender, year of diagnosis, cohabitation, education or comorbidity in the patient cohort, however younger age (<59 years) was associated with depression. CONCLUSIONS Pancreatic cancer patients are at risk for first antidepressant, anxiolytic and hypnotic use up to five years after diagnosis. Patients younger than 59 years, newly diagnosed with advanced pancreatic cancer, and not treated with surgery were more likely to have first antidepressant use. The study calls for interventions to reduce the psychological burden in advanced pancreatic cancer patients which may improve quality of life and survival.
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Affiliation(s)
| | - Elisabeth Wreford Andersen
- Statistics and Data Analysis, Danish Cancer Society Research Centre, Danish Cancer Society, Copenhagen, Denmark
| | - Thordis Thomsen
- Herlev Acute, Critical and Emergency Care Science Unit, Department of Anaesthesiology, Herlev and Gentofte Hospital, Department of Clinical Medicine, University of Copenhagen, Denmark
| | - Carsten Palnæs Hansen
- Department of Surgery, Rigshospitalet, Inge Lehmanns Vej 7, 2100, Copenhagen, Denmark
| | - Bo Marcel Christensen
- Department of Surgery, Rigshospitalet, Inge Lehmanns Vej 7, 2100, Copenhagen, Denmark
| | - Jens Hillingsø
- Department of Surgery, Rigshospitalet, Inge Lehmanns Vej 7, 2100, Copenhagen, Denmark
| | - Susanne Oksbjerg Dalton
- Unit of Survivorship, Danish Cancer Society & Department of Clinical Oncology & Palliative Care, Zealand University Hospital, Naestved, Denmark
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Abstract
Enhanced Recovery after Surgery (ERAS) is a multicentric program that includes the fields of nursing and anesthesia, nutrition and fluid management, and minimally invasive surgery. ERAS protocols focus on reducing the postoperative complications and stress response, optimizing the postoperative recovery. They have been implemented in many surgical fields, such as cardiac, gastric, and urologic, as they were shown to be effective in reducing morbidity and the overall health costs and in improving patient satisfaction. The aim of this minireview was to investigate the impact of ERAS programs on patients' postoperative outcome after hepato-pancreato-biliary surgery.
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Affiliation(s)
- Maria Kapritsou
- Anesthesiology Department, Hellenic Anticancer Institute "Saint Savvas" Hospital, Day Care Surgery N. Kourkoulos, Athens, Greece
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Abstract
Bedside nurses require excellent observational and assessment skills. Being knowledgeable about common diseases that often affect the population is essential; however, it is often more challenging to be informed about life-threatening conditions that rarely develop. Such is the case with mesenteric ischemia, a rare but complicated condition, which is difficult to diagnose, carries a degree of mortality of about 40%-70%, and is more common in people older than 50 years. Mesenteric ischemia requires that nurses be aware of the different etiologies and presentations of this uncommon disease to alert physicians of changes in a patient's condition and detect clues that may assist with an accurate and prompt diagnosis. Being educated about the diagnostic procedures, possible outcomes, and anticipated care and needs of patients affected by this medical complication is imperative to maintain the health status and well-being of these patients and their families.
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Affiliation(s)
- Jose Canceco
- Jose Canceco, BSN, RN, Adult Gerontology Acute Care Nurse Practitioner Program, California State University, Los Angeles. Elizabeth J. Winokur, PhD, RN, CEN, Adult Gerontology Acute Care Nurse Practitioner Program, California State University, Los Angeles
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Abstract
The objective of this study was to compare fast-track (FT) recovery protocol with the conventional one in patients treated with major liver resection by evaluating perioperative morbidity, length of hospitalization, and readmission rate. Sixty-two patients suffering from malignant liver tumors were surgically treated from May 2012 to April 2014. After randomization, they were prospectively divided into two groups: Group A patients (n = 32) followed FT recovery protocol and Group B patients (n = 30) were treated with the conventional (CON) protocol. Postoperative morbidity, readmission rate, and median hospital stay in the two groups were studied. Fast-track protocol was associated with a decreased complication (25%, p = .002), whereas the risk of postoperative morbidity was 2.4 times higher in patients treated with the CON protocol (60%, p = .002). Readmission rate was not significantly different between the two groups (6.25%, p = .35). Age (p = .382) and body mass index (p = .818) were not a suspending factor for following the FT protocol. Overall length of stay (postoperative days) in the FT group was (mean ± SD) 5.75 ± .5 and in the CON group was 13.5 ± 6.7 (p < .001). Fast-track recovery protocol seems to be safe and particularly efficient in patients undergoing major liver resections.
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Dengsø KE, Tjørnhøj-Thomsen T, Dalton SO, Christensen BM, Hillingsø J, Thomsen T. Gut disruption impairs rehabilitation in patients curatively operated for pancreaticoduodenal cancer - a qualitative study. BMC Cancer 2018; 18:1017. [PMID: 30348133 PMCID: PMC6196562 DOI: 10.1186/s12885-018-4933-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Accepted: 10/10/2018] [Indexed: 11/18/2022] Open
Abstract
Background How patients recover and resume everyday life after curative hepato-pancreato-biliary (HPB) surgery with intestinal reconstruction has, to our knowledge, not previously been investigated. We wanted to explore the patient experience in order to develop our capability to support their rehabilitation and identify interventional gaps in the current post-surgical care of these patients. Therefore, the aim of the present study was to explore patients’ experiences of their gut, digestion, recovery and uptake of everyday life after HPB surgery with intestinal reconstruction. Methods A qualitative explorative study with semi-structured interviews with 12 patients. We analysed data using qualitative content analysis with an inductive approach. Results Two main themes with six sub-themes emerged from the analysis: 1. “Disrupted gut” covering the sub-themes: the weakened body; fighting cachexia; re-aligning to the altered body. 2. “Recovery work” with the sub-themes: the value of municipal rehabilitation programmes; reclaiming the sociality of meals; going back to work. The patients described overarching digestive changes, predominantly diarrhea and nausea. Diarrhea and nausea challenged rehabilitation efforts and limited patients’ participation in social activities. Patients toiled to regain strength and every-day life as it was before surgery. Current municipal rehabilitation programmes facilitated these efforts. Conclusions The patients articulated an overarching experience of gut disruption, predominantly presenting as nausea, diarrhea and difficulty eating. This challenged their recovery work and uptake of every-day life. Specialised follow-up at expert centres might mitigate the sequelae of gut disruption after HPB surgery. We suggest that follow-up programmes systematically monitor the experienced symptoms of gut disruption with HPB-specific PROMS. Furthermore, research into the pathophysiology of cachexia and novel interventions for reducing cachexia and weakness after curative HPB surgery is relevant.
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Affiliation(s)
- Kristine Elberg Dengsø
- Department of Gastrointestinal Surgery and Transplantation, Copenhagen University Hospital Rigshospitalet, 2100, Copenhagen, Denmark.
| | - Tine Tjørnhøj-Thomsen
- National Institute of Public Health, University of Southern Denmark, 1353, Copenhagen, Denmark
| | | | - Bo Marcel Christensen
- Department of Gastrointestinal Surgery and Transplantation, Copenhagen University Hospital Rigshospitalet, 2100, Copenhagen, Denmark
| | - Jens Hillingsø
- Department of Gastrointestinal Surgery and Transplantation, Copenhagen University Hospital Rigshospitalet, 2100, Copenhagen, Denmark
| | - Thordis Thomsen
- Abdominal Centre, Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark.,Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
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Sevillano-Jiménez A, Romero-Saldaña M, Molina-Recio G. Nursing role on rapid recovery programmes fast-track. ENFERMERIA CLINICA 2017; 28:S1130-8621(17)30098-0. [PMID: 28757097 DOI: 10.1016/j.enfcli.2017.06.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2016] [Revised: 06/08/2017] [Accepted: 06/13/2017] [Indexed: 11/28/2022]
Abstract
Rapid recovery (RR) or fast-track programmes are aimed at reducing surgical stress, leading to a reduction in nurse workload, costs and hospital stay, greater patient empowerment, early post-surgical recovery and reduced morbidity and mortality. These new protocols require the coordinated participation of a multidisciplinary team. Based on an integrative review of the literature, this paper aims to define the concept of a RR or fast track programme and show the existing evidence on the implementation of these programmes in nursing. The benefits and low incidence of damage of RR programmes in nursing justify their implementation. The programmes require greater support and diffusion in order to develop, as well as more research to increase the evidence on the effectiveness and efficiency of the protocols.
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Affiliation(s)
| | | | - Guillermo Molina-Recio
- Departamento de Enfermería, Facultad de Medicina y Enfermería, Universidad de Córdoba. ADENYD. Grupo NURSE, Córdoba, España
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Ahmed EA, Montalti R, Nicolini D, Vincenzi P, Coletta M, Vecchi A, Mocchegiani F, Vivarelli M. Fast track program in liver resection: a PRISMA-compliant systematic review and meta-analysis. Medicine (Baltimore) 2016; 95:e4154. [PMID: 27428206 PMCID: PMC4956800 DOI: 10.1097/md.0000000000004154] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND FT program (FT) is a multimodal approach used to enhance postoperative rehabilitation and accelerate recovery. It was 1st described in open heart surgery, then modified and applied successfully in colorectal surgery. FT program was described in liver resection for the 1st time in 2008. Although the program has become widely accepted, it has not yet been considered the standard of care in liver surgery. OBJECTIVES we performed this systematic review and meta-analysis to evaluate the impact of using the FT program compared to the traditional care (TC), on the main clinical and surgical outcomes for patients who underwent elective liver resection. METHODS PubMed/Medline, Scopus, and Cochran databases were searched to identify eligible articles that compared FT with TC in elective liver resection to be included in this study. Subgroup meta-analysis between laparoscopic and open surgical approaches to liver resection was also conducted. Quality assessment was performed for all the included studies. Odds ratios (ORs) and mean differences (MDs) were considered as a summary measure of evaluating the association in this meta-analysis for dichotomous and continuous data, respectively. A 95% confidence interval (CI) was reported for both measures. I was used to assess the heterogeneity across studies. RESULTS From 2008 to 2015, 3 randomized controlled trials (RCTs) and 5 cohort studies were identified, including 394 and 416 patients in the FT and TC groups, respectively. The length of hospital stay (LoS) was markedly shortened in both the open and laparoscopic approaches within the FT program (P < 0.00001). The reduced LoS was accompanied by accelerated functional recovery (P = 0.0008) and decreased hospital costs, with no increase in readmission, morbidity, or mortality rates. Moreover, significant results were found within the FT group such as reduced operative time (P = 0.03), lower intensive care unit admission rate (P < 0.00001), early bowel opening (P ≤ 0.00001), and rapid normal diet restoration (P ≤ 0.00001). CONCLUSION FT program is safe, feasible, and can be applied successfully in liver resection. Future RCTs on controversial issues such as multimodal analgesia and adherence rate are needed. Specific FT guidelines should be developed for liver resection.
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Affiliation(s)
- Emad Ali Ahmed
- Hepatobiliary and Abdominal Transplantation Surgery, Department of Experimental and Clinical Medicine, Polytechnic University of Marche, Ancona, Italy
- Hepatobiliary and Pancreatic Surgery Unit, General Surgery Department, Sohag University, Sohag, Egypt
| | - Roberto Montalti
- Hepatobiliary and Abdominal Transplantation Surgery, Department of Experimental and Clinical Medicine, Polytechnic University of Marche, Ancona, Italy
| | - Daniele Nicolini
- Hepatobiliary and Abdominal Transplantation Surgery, Department of Experimental and Clinical Medicine, Polytechnic University of Marche, Ancona, Italy
| | - Paolo Vincenzi
- Hepatobiliary and Abdominal Transplantation Surgery, Department of Experimental and Clinical Medicine, Polytechnic University of Marche, Ancona, Italy
| | - Martina Coletta
- Hepatobiliary and Abdominal Transplantation Surgery, Department of Experimental and Clinical Medicine, Polytechnic University of Marche, Ancona, Italy
| | - Andrea Vecchi
- Hepatobiliary and Abdominal Transplantation Surgery, Department of Experimental and Clinical Medicine, Polytechnic University of Marche, Ancona, Italy
| | - Federico Mocchegiani
- Hepatobiliary and Abdominal Transplantation Surgery, Department of Experimental and Clinical Medicine, Polytechnic University of Marche, Ancona, Italy
- Correspondence: Federico Mocchegiani, Hepatobiliary and Abdominal Transplantation Surgery, Department of Experimental and Clinical Medicine, A.O.U. “Ospedali Riuniti”, via Conca 71, 60126 Ancona, Italy (e-mail: )
| | - Marco Vivarelli
- Hepatobiliary and Abdominal Transplantation Surgery, Department of Experimental and Clinical Medicine, Polytechnic University of Marche, Ancona, Italy
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