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Bae YK, Nam SW, Oh AY, Kim BY, Koo BW, Han J, Yim S. Effect of the alveolar recruitment maneuver during laparoscopic colorectal surgery on postoperative pulmonary complications: A randomized controlled trial. PLoS One 2024; 19:e0302884. [PMID: 38722838 PMCID: PMC11081303 DOI: 10.1371/journal.pone.0302884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Accepted: 04/14/2024] [Indexed: 05/13/2024] Open
Abstract
Intraoperative lung-protective ventilation, including low tidal volume and positive end-expiratory pressure, reduces postoperative pulmonary complications. However, the effect and specific alveolar recruitment maneuver method are controversial. We investigated whether the intraoperative intermittent recruitment maneuver further reduced postoperative pulmonary complications while using a lung-protective ventilation strategy. Adult patients undergoing elective laparoscopic colorectal surgery were randomly allocated to the recruitment or control groups. Intraoperative ventilation was adjusted to maintain a tidal volume of 6-8 mL kg-1 and positive end-expiratory pressure of 5 cmH2O in both groups. The alveolar recruitment maneuver was applied at three time points (at the start and end of the pneumoperitoneum, and immediately before extubation) by maintaining a continuous pressure of 30 cmH2O for 30 s in the recruitment group. Clinical and radiological evidence of postoperative pulmonary complications was investigated within 7 days postoperatively. A total of 125 patients were included in the analysis. The overall incidence of postoperative pulmonary complications was not significantly different between the recruitment and control groups (28.1% vs. 31.1%, P = 0.711), while the mean ± standard deviation intraoperative peak inspiratory pressure was significantly lower in the recruitment group (10.7 ± 3.2 vs. 13.5 ± 3.0 cmH2O at the time of CO2 gas-out, P < 0.001; 9.8 ± 2.3 vs. 12.5 ± 3.0 cmH2O at the time of recovery, P < 0.001). The alveolar recruitment maneuver with a pressure of 30 cmH2O for 30 s did not further reduce postoperative pulmonary complications when a low tidal volume and 5 cmH2O positive end-expiratory pressure were applied to patients undergoing laparoscopic colorectal surgery and was not associated with any significant adverse events. However, the alveolar recruitment maneuver significantly reduced intraoperative peak inspiratory pressure. Further study is needed to validate the beneficial effect of the alveolar recruitment maneuver in patients at increased risk of postoperative pulmonary complications. Trial registration: Clinicaltrials.gov (NCT03681236).
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Affiliation(s)
- Yu Kyung Bae
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - Sun Woo Nam
- Department of Anesthesiology and Pain Medicine, Chung-Ang University Gwangmyeong Hospital, Gwangmyeong si, Republic of Korea
- Department of Anesthesiology and Pain Medicine, Seoul National University, College of Medicine, Seoul, Republic of Korea
| | - Ah-Young Oh
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
- Department of Anesthesiology and Pain Medicine, Seoul National University, College of Medicine, Seoul, Republic of Korea
| | - Bo Young Kim
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - Bon-Wook Koo
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - Jiwon Han
- Department of Anesthesiology and Pain Medicine, Chung-Ang University Gwangmyeong Hospital, Gwangmyeong si, Republic of Korea
- Department of Anesthesiology and Pain Medicine, Chung-Ang University, College of Medicine, Seoul, Republic of Korea
| | - Subin Yim
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
- Department of Anesthesiology and Pain Medicine, Seoul National University, College of Medicine, Seoul, Republic of Korea
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Simonte R, Cammarota G, De Robertis E. Intraoperative lung protection: strategies and their impact on outcomes. Curr Opin Anaesthesiol 2024; 37:184-191. [PMID: 38390864 DOI: 10.1097/aco.0000000000001341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2024]
Abstract
PURPOSE OF REVIEW The present review summarizes the current knowledge and the barriers encountered when implementing tailoring lung-protective ventilation strategies to individual patients based on advanced monitoring systems. RECENT FINDINGS Lung-protective ventilation has become a pivotal component of perioperative care, aiming to enhance patient outcomes and reduce the incidence of postoperative pulmonary complications (PPCs). High-quality research has established the benefits of strategies such as low tidal volume ventilation and low driving pressures. Debate is still ongoing on the most suitable levels of positive end-expiratory pressure (PEEP) and the role of recruitment maneuvers. Adapting PEEP according to patient-specific factors offers potential benefits in maintaining ventilation distribution uniformity, especially in challenging scenarios like pneumoperitoneum and steep Trendelenburg positions. Advanced monitoring systems, which continuously assess patient responses and enable the fine-tuning of ventilation parameters, offer real-time data analytics to predict and prevent impending lung complications. However, their impact on postoperative outcomes, particularly PPCs, is an ongoing area of research. SUMMARY Refining protective lung ventilation is crucial to provide patients with the best possible care during surgery, reduce the incidence of PPCs, and improve their overall surgical journey.
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Affiliation(s)
- Rachele Simonte
- Department of Medicine and Surgery, Università degli Studi di Perugia, Perugia
| | - Gianmaria Cammarota
- Department of Translational Medicine, Università del Piemonte Orientale, Novara, Italy
| | - Edoardo De Robertis
- Department of Medicine and Surgery, Università degli Studi di Perugia, Perugia
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Dupont K, Lefrançois V, Delahaye A, Sanz M, Hestin R, Doublet T, Parienti JJ, Hanouz JL. Change in stroke volume during alveolar recruitment maneuvers through transient continuous positive airway pressure or stepwise increase in positive end expiratory pressure in anesthetized patients: a prospective randomized double-blind study. Can J Anaesth 2024; 71:224-233. [PMID: 38017197 DOI: 10.1007/s12630-023-02644-7] [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: 04/14/2023] [Revised: 06/28/2023] [Accepted: 07/23/2023] [Indexed: 11/30/2023] Open
Abstract
PURPOSE Intraoperative alveolar recruitment maneuvers (ARM) used during protective ventilation strategy may have severe adverse hemodynamic effects, reported mainly during abrupt continuous positive airway pressure (CPAP). Stepwise increase and decrease in positive end expiratory pressure (PEEP) may be used. We compared the hemodynamic effects of these two maneuvers. METHODS We enrolled patients scheduled for intermediate to high-risk surgery with continuous arterial pressure and stroke volume (esophageal Doppler) monitoring in a prospective, single-centre, randomized, double-blind study. After induction of anesthesia, we ensured preload independence of stroke volume before an ARM was randomly performed: 30 cm H2O CPAP for 30 sec (CPAP group) or stepwise increase in PEEP from 8 to 20 cm H2O with inspiratory pressure of 10 cm H2O followed by a stepwise decrease in PEEP from 20 to 8 cm H2O (STEP group). The primary outcome was the relative variation in stroke volume. RESULTS Thirty-five patients were included in the CPAP and STEP groups. Mean (standard deviation) relative variation in stroke volume was -57 (24)% in the CPAP group and -32 (24)% in the STEP group (difference, -25; 95% confidence interval, -37 to -14; P < 0.001). Changes in systolic, mean, and diastolic arterial pressure over time were not different between groups. The ARM was stopped because of a systolic arterial pressure < 70 mm Hg in four patients in the CPAP group and in one patient in the STEP group. CONCLUSIONS Alveolar recruitment maneuvers through stepwise increase and decrease in PEEP have a better hemodynamic tolerance than transient CPAP. TRIAL REGISTRATION ClinicalTrials.gov (NCT04802421); first submitted 15 March 2021.
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Affiliation(s)
- Kevin Dupont
- Service Anesthésie Réanimation, CHU de Caen, Avenue de la Côte de Nacre, CS 30001, 14000, Caen, France
| | - Valentin Lefrançois
- Service Anesthésie Réanimation, CHU de Caen, Avenue de la Côte de Nacre, CS 30001, 14000, Caen, France
| | - Antoine Delahaye
- Service Anesthésie Réanimation, CHU de Caen, Avenue de la Côte de Nacre, CS 30001, 14000, Caen, France
| | - Marine Sanz
- Service Anesthésie Réanimation, CHU de Caen, Avenue de la Côte de Nacre, CS 30001, 14000, Caen, France
| | - Rémi Hestin
- Service Anesthésie Réanimation, CHU de Caen, Avenue de la Côte de Nacre, CS 30001, 14000, Caen, France
| | - Théophane Doublet
- Service Anesthésie Réanimation, CHU de Caen, Avenue de la Côte de Nacre, CS 30001, 14000, Caen, France
| | - Jean-Jacques Parienti
- Department of Clinical Research and Biostatistics, Caen University Hospital and Caen Normandy University, Caen, France
- UFR Medecine, Uiversité Caen Normandie, 2 Rue des Rochambelles, 14032 Caen Cedex 5, Caen, France
| | - Jean-Luc Hanouz
- Service Anesthésie Réanimation, CHU de Caen, Avenue de la Côte de Nacre, CS 30001, 14000, Caen, France.
- UFR Medecine, Uiversité Caen Normandie, 2 Rue des Rochambelles, 14032 Caen Cedex 5, Caen, France.
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Chiumello D, Fratti I, Coppola S. The intraoperative management of robotic-assisted laparoscopic prostatectomy. Curr Opin Anaesthesiol 2023; 36:657-665. [PMID: 37724574 DOI: 10.1097/aco.0000000000001309] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/21/2023]
Abstract
PURPOSE OF REVIEW Robotic-assisted laparoscopic radical prostatectomy has become the second most commonly performed robotic surgical procedure worldwide, therefore, anesthesiologists should be aware of the intraoperative pathophysiological consequences. The aim of this narrative review is to report the most recent updates regarding the intraoperative management of anesthesia, ventilation, hemodynamics and central nervous system, during robotic-assisted laparoscopic radical prostatectomy. RECENT FINDINGS Surgical innovations and the advent of new technologies make it imperative to optimize the anesthesia management to provide the most holistic approach possible. In addition, an ageing population with an increasing burden of comorbidities requires multifocal attention to reduce the surgical stress. SUMMARY Total intravenous anesthesia (TIVA) and balanced general anesthesia are similar in terms of postoperative complications and hospital stay. Reversal of rocuronium is associated with shorter hospital stay and postanesthesia recovery time. Adequate PEEP levels improve oxygenation and driving pressure, and the use of a single recruitment maneuver after the intubation reduces postoperative pulmonary complications. Restrictive intravenous fluid administration minimizes bladder-urethra anastomosis complications and facial edema. TIVA maintains a better autoregulation compared with balanced general anesthesia. Anesthesiologists should be able to optimize the intraoperative management to improve outcomes.
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Affiliation(s)
- Davide Chiumello
- Department of Anesthesia and Intensive Care, ASST Santi Paolo e Carlo, San Paolo University Hospital Milan
- Department of Health Sciences
- Coordinated Research Center on Respiratory Failure, University of Milan, Italy
| | | | - Silvia Coppola
- Department of Anesthesia and Intensive Care, ASST Santi Paolo e Carlo, San Paolo University Hospital Milan
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Chiumello D, Coppola S, Fratti I, Leone M, Pastene B. Ventilation strategy during urological and gynaecological robotic-assisted surgery: a narrative review. Br J Anaesth 2023; 131:764-774. [PMID: 37541952 DOI: 10.1016/j.bja.2023.06.066] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 06/11/2023] [Accepted: 06/14/2023] [Indexed: 08/06/2023] Open
Abstract
Robotic-assisted surgery has improved the precision and accuracy of surgical movements with subsequent improved outcomes. However, it requires steep Trendelenburg positioning combined with pneumoperitoneum that negatively affects respiratory mechanics and increases the risk of postoperative respiratory complications. This narrative review summarises the state of the art in ventilatory management of these patients in terms of levels of positive end-expiratory pressure (PEEP), tidal volume, recruitment manoeuvres, and ventilation modes during both urological and gynaecological robotic-assisted surgery. A review of the literature was conducted using PubMed/MEDLINE; after completing abstract and full-text review, 31 articles were included. Although different levels of PEEP were often evaluated within a protective ventilation strategy, including higher levels of PEEP, lower tidal volume, and recruitment manoeuvres vs a conventional ventilation strategy, we conclude that the best PEEP in terms of lung mechanics, gas exchange, and ventilation distribution has not been defined, but moderate PEEP levels (4-8 cm H2O) could be associated with better outcomes than lower or highest levels. Recruitment manoeuvres improved intraoperative arterial oxygenation, end-expiratory lung volume and the distribution of ventilation to dependent (dorsal) lung regions. Pressure-controlled compared with volume-controlled ventilation showed lower peak airway pressures with both higher compliance and higher carbon dioxide clearance. We propose directions to optimise ventilatory management during robotic surgery in light of the current evidence.
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Affiliation(s)
- Davide Chiumello
- Department of Anesthesia and Intensive Care, ASST Santi Paolo e Carlo, San Paolo University Hospital, Milan, Italy; Department of Health Sciences, University of Milan, Milan, Italy; Coordinated Research Center on Respiratory Failure, University of Milan, Milan, Italy.
| | - Silvia Coppola
- Department of Anesthesia and Intensive Care, ASST Santi Paolo e Carlo, San Paolo University Hospital, Milan, Italy; Department of Health Sciences, University of Milan, Milan, Italy; Coordinated Research Center on Respiratory Failure, University of Milan, Milan, Italy
| | - Isabella Fratti
- Department of Health Sciences, University of Milan, Milan, Italy
| | - Marc Leone
- Department of Anesthesia and Intensive Care, Aix Marseille University, Assistance Publique Hôpitaux Universitaires de Marseille, Marseille, France; Centre for Nutrition and Cardiovascular Disease (C2VN), INSERM, INRAE, Aix Marseille University, Marseille, France
| | - Bruno Pastene
- Department of Anesthesia and Intensive Care, Aix Marseille University, Assistance Publique Hôpitaux Universitaires de Marseille, Marseille, France; Centre for Nutrition and Cardiovascular Disease (C2VN), INSERM, INRAE, Aix Marseille University, Marseille, France
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Liu F, Zhang W, Zhao Z, Xu X, Jian M, Han R. Effect of driving pressure on early postoperative lung gas distribution in supratentorial craniotomy: a randomized controlled trial. BMC Anesthesiol 2023; 23:176. [PMID: 37217882 DOI: 10.1186/s12871-023-02144-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Accepted: 05/17/2023] [Indexed: 05/24/2023] Open
Abstract
BACKGROUND Neurosurgical patients represent a high-risk population for postoperative pulmonary complications (PPCs). A lower intraoperative driving pressure (DP) is related to a reduction in postoperative pulmonary complications. We hypothesized that driving pressure-guided ventilation during supratentorial craniotomy might lead to a more homogeneous gas distribution in the lung postoperatively. METHODS This was a randomized trial conducted between June 2020 and July 2021 at Beijing Tiantan Hospital. Fifty-three patients undergoing supratentorial craniotomy were randomly divided into the titration group or control group at a ratio of 1 to 1. The control group received 5 cmH2O PEEP, and the titration group received individualized PEEP targeting the lowest DP. The primary outcome was the global inhomogeneity index (GI) immediately after extubation obtained by electrical impedance tomography (EIT). The secondary outcomes were lung ultrasonography scores (LUSs), respiratory system compliance, the ratio of the partial pressure of arterial oxygen to the fraction of inspired oxygen (PaO2/FiO2) and PPCs within 3 days postoperatively. RESULTS Fifty-one patients were included in the analysis. The median (IQR [range]) DP in the titration group versus the control group was 10 (9-12 [7-13]) cmH2O vs. 11 (10-12 [7-13]) cmH2O, respectively (P = 0.040). The GI tract did not differ between groups immediately after extubation (P = 0.080). The LUSS was significantly lower in the titration group than in the control group immediately after tracheal extubation (1 [0-3] vs. 3 [1-6], P = 0.045). The compliance in the titration group was higher than that in the control group at 1 h after intubation (48 [42-54] vs. 41 [37-46] ml·cmH2O-1, P = 0.011) and at the end of surgery (46 [42-51] vs. 41 [37-44] ml·cmH2O-1, P = 0.029). The PaO2/FiO2 ratio was not significantly different between groups in terms of the ventilation protocol (P = 0.117). At the 3-day follow-up, no postoperative pulmonary complications occurred in either group. CONCLUSIONS Driving pressure-guided ventilation during supratentorial craniotomy did not contribute to postoperative homogeneous aeration, but it may lead to improved respiratory compliance and lower lung ultrasonography scores. CLINICAL TRIAL REGISTRATION ClinicalTrials.gov NCT04421976.
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Affiliation(s)
- Feifei Liu
- Department of Anesthesiology, Beijing Tiantan Hospital, Capital Medical University, No. 119, Southwest 4th Ring Road, Fengtai District, Beijing, 100070, China
- Department of Anesthesiology, Beijing Fangshan Liangxiang Hospital, Beijing, China
| | - Wei Zhang
- Department of Anesthesiology, Beijing Tiantan Hospital, Capital Medical University, No. 119, Southwest 4th Ring Road, Fengtai District, Beijing, 100070, China
| | - Zhanqi Zhao
- Institute of Technical Medicine, Furtwangen University, Villingen-Schwenningen, Germany
| | - Xin Xu
- Department of Anesthesiology, Beijing Tiantan Hospital, Capital Medical University, No. 119, Southwest 4th Ring Road, Fengtai District, Beijing, 100070, China
| | - Minyu Jian
- Department of Anesthesiology, Beijing Tiantan Hospital, Capital Medical University, No. 119, Southwest 4th Ring Road, Fengtai District, Beijing, 100070, China
| | - Ruquan Han
- Department of Anesthesiology, Beijing Tiantan Hospital, Capital Medical University, No. 119, Southwest 4th Ring Road, Fengtai District, Beijing, 100070, China.
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7
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Low tidal volume ventilation for patients undergoing laparoscopic surgery: a secondary analysis of a randomised clinical trial. BMC Anesthesiol 2023; 23:71. [PMID: 36882701 PMCID: PMC9990198 DOI: 10.1186/s12871-023-01998-1] [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: 06/17/2022] [Accepted: 01/30/2023] [Indexed: 03/09/2023] Open
Abstract
BACKGROUND We recently reported the results for a large randomized controlled trial of low tidal volume ventilation (LTVV) versus conventional tidal volume (CTVV) during major surgery when positive end expiratory pressure (PEEP) was equal between groups. We found no difference in postoperative pulmonary complications (PPCs) in patients who received LTVV. However, in the subgroup of patients undergoing laparoscopic surgery, LTVV was associated with a numerically lower rate of PPCs after surgery. We aimed to further assess the relationship between LTVV versus CTVV during laparoscopic surgery. METHODS We conducted a post-hoc analysis of this pre-specified subgroup. All patients received volume-controlled ventilation with an applied PEEP of 5 cmH2O and either LTVV (6 mL/kg predicted body weight [PBW]) or CTVV (10 mL/kg PBW). The primary outcome was the incidence of a composite of PPCs within seven days. RESULTS Three hundred twenty-eight patients (27.2%) underwent laparoscopic surgeries, with 158 (48.2%) randomised to LTVV. Fifty two of 157 patients (33.1%) assigned to LTVV and 72 of 169 (42.6%) assigned to conventional tidal volume developed PPCs within 7 days (unadjusted absolute difference, - 9.48 [95% CI, - 19.86 to 1.05]; p = 0.076). After adjusting for pre-specified confounders, the LTVV group had a lower incidence of the primary outcome than patients receiving CTVV (adjusted absolute difference, - 10.36 [95% CI, - 20.52 to - 0.20]; p = 0.046). CONCLUSION In this post-hoc analysis of a large, randomised trial of LTVV we found that during laparoscopic surgeries, LTVV was associated with a significantly reduced PPCs compared to CTVV when PEEP was applied equally between both groups. TRIAL REGISTRATION Australian and New Zealand Clinical Trials Registry no: 12614000790640.
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Cheng M, Ni L, Huang L, Zhou Y, Wang K. Effect of positive end-expiratory pressure on pulmonary compliance and pulmonary complications in patients undergoing robot-assisted laparoscopic radical prostatectomy: a randomized control trial. BMC Anesthesiol 2022; 22:347. [DOI: 10.1186/s12871-022-01869-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Accepted: 10/18/2022] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
To observe the effects of different positive end-expiratory pressure (PEEP) ventilation strategies on pulmonary compliance and complications in patients undergoing robotic-assisted laparoscopic prostate surgery.
Methods
A total of 120 patients with the American Society of Anesthesiologists Physical Status Class I or II who underwent elective robotic-assisted laparoscopic prostatectomy were enrolled. We randomized the patients divided into divided into three groups of 40 patients each: PEEP0, PEEP5, or PEEP10. Master Anesthetist used volume control ventilation intraoperatively with an intraoperative deep muscle relaxation strategy. Respiratory mechanics indexes were recorded at six time-points: 10 mimuts after anaesthesia induction, immediately after pneumoperitoneum establishment, 30 min, 60 min, 90 min, and at the end of pneumoperitoneum. Arterial blood gas analysis and oxygenation index calculation were performed 10 mimuts after anaesthesia induction, 60 mimuts after pneumoperitoneum, and after tracheal extubation. Postoperative pulmonary complications were also recorded.
Results
After pneumoperitoneum, peak inspiratory pressure (Ppeak), plateau pressure (Pplat), mean pressure (Pmean), driving pressure (ΔP), and airway resistance (Raw) increased significantly, and pulmonary compliance (Crs) decreased, persisting during pneumoperitoneum in all groups. Between immediately after pneumoperitoneum establishment, 30 min, 60 min, and 90 min, pulmonary compliance in the 10cmH2OPEEP group was higher than in the 5cmH2OPEEP (P < 0.05) and 0cmH2OPEEP groups(P < 0.05). The driving pressure (ΔP) immediately after pneumoperitoneum establishment, at 30 min, 60 min, and 90 min in the 10cmH2OPEEP group was lower than in the 5cmH2OPEEP (P < 0.05) and 0cmH2OPEEP groups (P < 0.05). Sixty min after pneumoperitoneum and tracheal extubation, the PaCO2 did not differ significantly among the three groups (P > 0.05). The oxygenation index (PaO2/FiO2) was higher in the PEEP5 group than in the PEEP0 and PEEP10 groups 60 min after pneumoperitoneum and after tracheal extubation, with a statistically significant difference (P < 0.05). In postoperative pulmonary complications, the incidence of atelectasis was higher in the PEEP0 group than in the PEEP5 and PEEP10 groups, with a statistically significant difference (p < 0.05).
Conclusion
The use of PEEP at 5cmH2O during RARP increases lung compliance, improves intraoperative oxygenation index and reduces postoperative atelectasis.
Trial registration
This study was registered in the China Clinical Trials Registry on May 30, 2020 (Registration No. ChiCTR2000033380).
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Bolther M, Henriksen J, Holmberg MJ, Jessen MK, Vallentin MF, Hansen FB, Holst JM, Magnussen A, Hansen NS, Johannsen CM, Enevoldsen J, Jensen TH, Roessler LL, Carøe Lind P, Klitholm MP, Eggertsen MA, Caap P, Boye C, Dabrowski KM, Vormfenne L, Høybye M, Karlsson M, Balleby IR, Rasmussen MS, Pælestik K, Granfeldt A, Andersen LW. Ventilation Strategies During General Anesthesia for Noncardiac Surgery: A Systematic Review and Meta-Analysis. Anesth Analg 2022; 135:971-985. [PMID: 35703253 DOI: 10.1213/ane.0000000000006106] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
BACKGROUND The optimal ventilation strategy during general anesthesia is unclear. This systematic review investigated the relationship between ventilation targets or strategies (eg, positive end-expiratory pressure [PEEP], tidal volume, and recruitment maneuvers) and postoperative outcomes. METHODS PubMed and Embase were searched on March 8, 2021, for randomized trials investigating the effect of different respiratory targets or strategies on adults undergoing noncardiac surgery. Two investigators reviewed trials for relevance, extracted data, and assessed risk of bias. Meta-analyses were performed for relevant outcomes, and several subgroup analyses were conducted. The certainty of evidence was evaluated using Grading of Recommendations Assessment, Development and Evaluation (GRADE). RESULTS This review included 63 trials with 65 comparisons. Risk of bias was intermediate for all trials. In the meta-analyses, lung-protective ventilation (ie, low tidal volume with PEEP) reduced the risk of combined pulmonary complications (odds ratio [OR], 0.37; 95% confidence interval [CI], 0.28-0.49; 9 trials; 1106 patients), atelectasis (OR, 0.39; 95% CI, 0.25-0.60; 8 trials; 895 patients), and need for postoperative mechanical ventilation (OR, 0.36; 95% CI, 0.13-1.00; 5 trials; 636 patients). Recruitment maneuvers reduced the risk of atelectasis (OR, 0.44; 95% CI, 0.21-0.92; 5 trials; 328 patients). We found no clear effect of tidal volume, higher versus lower PEEP, or recruitment maneuvers on postoperative pulmonary complications when evaluated individually. For all comparisons across targets, no effect was found on mortality or hospital length of stay. No effect measure modifiers were found in subgroup analyses. The certainty of evidence was rated as very low, low, or moderate depending on the intervention and outcome. CONCLUSIONS Although lung-protective ventilation results in a decrease in pulmonary complications, randomized clinical trials provide only limited evidence to guide specific ventilation strategies during general anesthesia for adults undergoing noncardiac surgery.
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Affiliation(s)
- Maria Bolther
- From the Department of Anesthesiology and Intensive Care
| | | | - Mathias J Holmberg
- Research Center for Emergency Medicine, Aarhus University Hospital, Aarhus, Denmark.,Department of Clinical Medicine, Aarhus University, Aarhus, Denmark.,Department of Cardiology, Viborg Regional Hospital, Viborg, Denmark
| | - Marie K Jessen
- Research Center for Emergency Medicine, Aarhus University Hospital, Aarhus, Denmark.,Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Mikael F Vallentin
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark.,Prehospital Emergency Medical Services, Central Denmark Region, Aarhus, Denmark
| | | | | | | | | | | | | | - Thomas H Jensen
- Department of Internal Medicine, University Hospital of North Norway, Narvik, Norway
| | - Lara L Roessler
- Department of Emergency Medicine, Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | | | | | - Mark A Eggertsen
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Philip Caap
- From the Department of Anesthesiology and Intensive Care
| | - Caroline Boye
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | | | - Lasse Vormfenne
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Maria Høybye
- Research Center for Emergency Medicine, Aarhus University Hospital, Aarhus, Denmark
| | - Mathias Karlsson
- Anesthesiology and Intensive Care, Aalborg University Hospital, Denmark
| | - Ida R Balleby
- National Hospital of the Faroe Islands, Torshavn, Faroe Islands
| | - Marie S Rasmussen
- Anesthesiology and Intensive Care, Aalborg University Hospital, Denmark
| | - Kim Pælestik
- Department of Anesthesiology and Intensive Care, Viborg Regional Hospital, Viborg, Denmark
| | - Asger Granfeldt
- From the Department of Anesthesiology and Intensive Care.,Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Lars W Andersen
- From the Department of Anesthesiology and Intensive Care.,Research Center for Emergency Medicine, Aarhus University Hospital, Aarhus, Denmark.,Department of Clinical Medicine, Aarhus University, Aarhus, Denmark.,Prehospital Emergency Medical Services, Central Denmark Region, Aarhus, Denmark
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Pei S, Wei W, Yang K, Yang Y, Pan Y, Wei J, Yao S, Xia H. Recruitment Maneuver to Reduce Postoperative Pulmonary Complications after Laparoscopic Abdominal Surgery: A Systematic Review and Meta-Analysis. J Clin Med 2022; 11:jcm11195841. [PMID: 36233708 PMCID: PMC9573602 DOI: 10.3390/jcm11195841] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 09/23/2022] [Accepted: 09/26/2022] [Indexed: 11/09/2022] Open
Abstract
Background: Lung-protective ventilation strategies are recommended for patients undergoing mechanical ventilation. However, there are currently no guidelines to follow regarding recruitment maneuvers (RMs). We attempted to identify the effects of RMs on patients undergoing laparoscopic abdominal surgery. Methods: We searched for randomized controlled trials (RCTs) in PubMed, the Cochrane Library databases, Embase, Web of Science and the ClinicalTrials.gov registry for trials published up to December 2021. The primary outcome was postoperative pulmonary complications (PPCs). The secondary outcomes consisted of the static lung compliance, driving pressure (DP), intraoperative oxygenation index (OI), OI in the post-anesthesia care unit (PACU), mean arterial pressure (MAP) and heart rate (HR). Seventeen RCTs with a total of 3480 patients were examined. Results: Patients who received RMs showed a considerable reduction in PPCs (risk ratio (RR) = 0.70; 95% confidence interval (CI): 0.62 to 0.79; p < 0.01), lower DP (weighted mean difference (WMD) = −3.96; 95% CI: −5.97 to −1.95; p < 0.01), elevated static lung compliance (WMD = 10.42; 95% CI: 6.13 to 14.71; p < 0.01) and improved OI (intraoperative: WMD = 53.54; 95% CI: 21.77 to 85.31; p < 0.01; PACU: WMD = 59.40; 95% CI: 39.10 to 79.69; p < 0.01) without substantial changes in MAP (WMD = −0.16; 95% CI −1.35 to 1.03; p > 0.05) and HR (WMD = −1.10; 95% CI: −2.29 to 0.10; p > 0.05). Conclusions: Recruitment maneuvers reduce postoperative pulmonary complications and improve respiratory mechanics and oxygenation in patients undergoing laparoscopic abdominal surgery. More data are needed to elucidate the effect of recruitment maneuver on the circulatory system.
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Affiliation(s)
- Shuaijie Pei
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Wei Wei
- Department of Anesthesiology, The People’s Hospital of Honghu, Honghu 433200, China
| | - Kai Yang
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Yiyi Yang
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Yu Pan
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Jinrui Wei
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Shanglong Yao
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
- Correspondence: (S.Y.); (H.X.)
| | - Haifa Xia
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
- Department of Anesthesiology, The People’s Hospital of Honghu, Honghu 433200, China
- Department of Critical Care Medicine, The People’s Hospital of Honghu, Honghu 433200, China
- Correspondence: (S.Y.); (H.X.)
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11
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Parmeswaran P, Gupta P, Ittoop AL, Kaushal A, Kumar A, Singla D. Effect of intraoperative alveolar recruitment maneuver on intraoperative oxygenation and postoperative pulmonary function tests in patients undergoing robotic-assisted hysterectomy: a single-blind randomized study. BRAZILIAN JOURNAL OF ANESTHESIOLOGY (ELSEVIER) 2022:S0104-0014(22)00084-7. [PMID: 35835311 PMCID: PMC10362439 DOI: 10.1016/j.bjane.2022.07.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 07/01/2022] [Accepted: 07/02/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Robotic-Assisted Hysterectomies (RAH) require Trendelenburg positioning and pneumoperitoneum, which further accentuate alteration in respiratory mechanics induced by general anesthesia. The role of Recruitment Maneuver (RM) as a lung-protective strategy during intraoperative surgical settings has not been much studied. We planned this study to evaluate the effect of RM on perioperative oxygenation and postoperative spirometry using PaO2/FiO2 and FEV1/FVC, respectively in patients undergoing RAH. METHODS Sixty-six ASA I‒II female patients scheduled for elective RAH were randomized into group R (recruitment maneuver, n = 33) or group C (control, n = 33). Portable spirometry was done one day before surgery. Patients were induced with general anesthesia, and mechanical ventilation started with volume control mode, with Tidal Volume (TV) of 6-8 mL.kg-1, Respiratory Rate (RR) of 12 min, inspiratory-expiratory ratio (I: E ratio) of 1:2, FiO2 of 0.4, and Positive End-Expiratory Pressure (PEEP) of 5 cmH2O. Patients in group R received recruitment maneuvers of 30 cmH2O every 30 minutes following tracheal intubation. The primary objectives were comparison of oxygenation and ventilation between two groups intraoperatively and portable spirometry postoperatively. Postoperative pulmonary complications, like desaturation, pulmonary edema, pneumonia, were monitored. RESULTS Patients who received RM had significantly higher PaO2 (mmHg) (203.2+-24.3 vs. 167.8+-27.3, p < 0.001) at T2 (30 min after the pneumoperitoneum). However, there was no significant difference in portable spirometry between the groups in the postoperative period (FVC, 1.40 ± 0.5 L vs. 1.32 ± 0.46 L, p = 0.55). CONCLUSION This study concluded that intraoperative recruitment did not prevent deterioration of postoperative spirometry values; however, it led to improved oxygenation intraoperatively.
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Affiliation(s)
- Prabakaran Parmeswaran
- All India Institute of Medical Sciences (A.I.I.M.S), Medical College, Department of Anesthesia, Rishikesh, India
| | - Priyanka Gupta
- All India Institute of Medical Sciences (A.I.I.M.S), Department of Anesthesia, Rishikesh, India.
| | - Amanta L Ittoop
- All India Institute of Medical Sciences (A.I.I.M.S), Medical College, Department of Anesthesia, Rishikesh, India
| | - Ashutosh Kaushal
- All India Institute of Medical Sciences (A.I.I.M.S), Medical College, Department of Anesthesia, Rishikesh, India
| | - Ajit Kumar
- All India Institute of Medical Sciences (A.I.I.M.S), Medical College, Department of Anesthesia, Rishikesh, India
| | - Deepak Singla
- All India Institute of Medical Sciences (A.I.I.M.S), Medical College, Department of Anesthesia, Rishikesh, India
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12
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Koo CH, Park I, Ahn S, Lee S, Ryu JH. Effect of Neuromuscular Blockade on Intraoperative Respiratory Mechanics and Surgical Space Conditions during Robot-Assisted Radical Prostatectomy: A Prospective Randomized Controlled Trial. J Clin Med 2021; 10:jcm10215090. [PMID: 34768608 PMCID: PMC8584864 DOI: 10.3390/jcm10215090] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 10/26/2021] [Accepted: 10/28/2021] [Indexed: 11/22/2022] Open
Abstract
The aim of this study was to investigate whether deep neuromuscular blockade (NMB) may affect intraoperative respiratory mechanics, surgical condition, and recovery profiles in patients undergoing robot-assisted radical prostatectomy (RARP). Patients were randomly assigned to the moderate or deep NMB groups. Pneumoperitoneum was maintained with carbon dioxide (CO2) insufflation at 15 mmHg during surgery. The primary outcome was peak inspiratory pressure (PIP) after CO2 insufflation. Mean airway pressure (Pmean) and dynamic lung compliance (Cdyn) were also recorded. The surgeon rated the surgical condition and surgical difficulty on a five-point scale (1 = extremely poor; 2 = poor; 3 = acceptable; 4 = good; 5 = optimal). Recovery profiles, such as pulmonary complications, pain scores, and recovery time, were recorded. We included 58 patients in this study. No significant differences were observed regarding intraoperative respiratory mechanics including PIP, Pmean and Cdyn, between the two groups. The number of patients with optimal surgical conditions was significantly higher in the deep than in the moderate NMB group (29 vs. 20, p = 0.014). We found no differences in recovery profiles. In conclusion, deep NMB had no significant effect on the intraoperative respiratory mechanics but resulted in optimal endoscopic surgical conditions during RARP compared with moderate NMB.
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Affiliation(s)
- Chang-Hoon Koo
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam 13620, Korea; (C.-H.K.); (I.P.); (S.A.)
| | - Insun Park
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam 13620, Korea; (C.-H.K.); (I.P.); (S.A.)
- Department of Anesthesiology and Pain Medicine, College of Medicine, Seoul National University, Seoul 03080, Korea
| | - Sungmin Ahn
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam 13620, Korea; (C.-H.K.); (I.P.); (S.A.)
| | - Sangchul Lee
- Department of Urology, Seoul National University Bundang Hospital, Seongnam 13620, Korea
- Correspondence: (S.L.); (J.-H.R.); Tel.: +82-31-787-7345 (S.L.); +82-31-787-7497 (J.-H.R.)
| | - Jung-Hee Ryu
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam 13620, Korea; (C.-H.K.); (I.P.); (S.A.)
- Department of Anesthesiology and Pain Medicine, College of Medicine, Seoul National University, Seoul 03080, Korea
- Correspondence: (S.L.); (J.-H.R.); Tel.: +82-31-787-7345 (S.L.); +82-31-787-7497 (J.-H.R.)
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13
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Lei M, Bao Q, Luo H, Huang P, Xie J. Effect of Intraoperative Ventilation Strategies on Postoperative Pulmonary Complications: A Meta-Analysis. Front Surg 2021; 8:728056. [PMID: 34671638 PMCID: PMC8521033 DOI: 10.3389/fsurg.2021.728056] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Accepted: 08/30/2021] [Indexed: 11/13/2022] Open
Abstract
Introduction: The role of intraoperative ventilation strategies in subjects undergoing surgery is still contested. This meta-analysis study was performed to assess the relationship between the low tidal volumes strategy and conventional mechanical ventilation in subjects undergoing surgery. Methods: A systematic literature search up to December 2020 was performed in OVID, Embase, Cochrane Library, PubMed, and Google scholar, and 28 studies including 11,846 subjects undergoing surgery at baseline and reporting a total of 2,638 receiving the low tidal volumes strategy and 3,632 receiving conventional mechanical ventilation, were found recording relationships between low tidal volumes strategy and conventional mechanical ventilation in subjects undergoing surgery. Odds ratio (OR) or mean difference (MD) with 95% confidence intervals (CIs) were calculated between the low tidal volumes strategy vs. conventional mechanical ventilation using dichotomous and continuous methods with a random or fixed-effect model. Results: The low tidal volumes strategy during surgery was significantly related to a lower rate of postoperative pulmonary complications (OR, 0.60; 95% CI, 0.44-0.83, p < 0.001), aspiration pneumonitis (OR, 0.63; 95% CI, 0.46-0.86, p < 0.001), and pleural effusion (OR, 0.72; 95% CI, 0.56-0.92, p < 0.001) compared to conventional mechanical ventilation. However, the low tidal volumes strategy during surgery was not significantly correlated with length of hospital stay (MD, -0.48; 95% CI, -0.99-0.02, p = 0.06), short-term mortality (OR, 0.88; 95% CI, 0.70-1.10, p = 0.25), atelectasis (OR, 0.76; 95% CI, 0.57-1.01, p = 0.06), acute respiratory distress (OR, 1.06; 95% CI, 0.67-1.66, p = 0.81), pneumothorax (OR, 1.37; 95% CI, 0.88-2.15, p = 0.17), pulmonary edema (OR, 0.70; 95% CI, 0.38-1.26, p = 0.23), and pulmonary embolism (OR, 0.65; 95% CI, 0.26-1.60, p = 0.35) compared to conventional mechanical ventilation. Conclusions: The low tidal volumes strategy during surgery may have an independent relationship with lower postoperative pulmonary complications, aspiration pneumonitis, and pleural effusion compared to conventional mechanical ventilation. This relationship encouraged us to recommend the low tidal volumes strategy during surgery to avoid any possible complications.
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Affiliation(s)
- Min Lei
- Department of Anesthesiology, Sir Run Run Shaw Hospital of School of Medicine, Zhejiang University, Zhejiang, China
| | - Qi Bao
- Department of Anesthesiology, Sir Run Run Shaw Hospital of School of Medicine, Zhejiang University, Zhejiang, China
| | - Huanyu Luo
- Department of Anesthesiology, Sir Run Run Shaw Hospital of School of Medicine, Zhejiang University, Zhejiang, China
| | - Pengfei Huang
- Department of Anesthesiology, Sir Run Run Shaw Hospital of School of Medicine, Zhejiang University, Zhejiang, China
| | - Junran Xie
- Department of Anesthesiology, Sir Run Run Shaw Hospital of School of Medicine, Zhejiang University, Zhejiang, China
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14
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Fogagnolo A, Montanaro F, Al-Husinat L, Turrini C, Rauseo M, Mirabella L, Ragazzi R, Ottaviani I, Cinnella G, Volta CA, Spadaro S. Management of Intraoperative Mechanical Ventilation to Prevent Postoperative Complications after General Anesthesia: A Narrative Review. J Clin Med 2021; 10:jcm10122656. [PMID: 34208699 PMCID: PMC8234365 DOI: 10.3390/jcm10122656] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 06/09/2021] [Accepted: 06/15/2021] [Indexed: 01/02/2023] Open
Abstract
Mechanical ventilation (MV) is still necessary in many surgical procedures; nonetheless, intraoperative MV is not free from harmful effects. Protective ventilation strategies, which include the combination of low tidal volume and adequate positive end expiratory pressure (PEEP) levels, are usually adopted to minimize the ventilation-induced lung injury and to avoid post-operative pulmonary complications (PPCs). Even so, volutrauma and atelectrauma may co-exist at different levels of tidal volume and PEEP, and therefore, the physiological response to the MV settings should be monitored in each patient. A personalized perioperative approach is gaining relevance in the field of intraoperative MV; in particular, many efforts have been made to individualize PEEP, giving more emphasis on physiological and functional status to the whole body. In this review, we summarized the latest findings about the optimization of PEEP and intraoperative MV in different surgical settings. Starting from a physiological point of view, we described how to approach the individualized MV and monitor the effects of MV on lung function.
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Affiliation(s)
- Alberto Fogagnolo
- Department of Translation Medicine and for Romagna, Section of Anesthesia and Intensive Care, University of Ferrara, 44121 Ferrara, Italy; (F.M.); (C.T.); (R.R.); (I.O.); (C.A.V.); (S.S.)
- Correspondence:
| | - Federica Montanaro
- Department of Translation Medicine and for Romagna, Section of Anesthesia and Intensive Care, University of Ferrara, 44121 Ferrara, Italy; (F.M.); (C.T.); (R.R.); (I.O.); (C.A.V.); (S.S.)
| | - Lou’i Al-Husinat
- Department of Clinical Sciences, Faculty of Medicine, Yarmouk University, Irbid 21163, Jordan;
| | - Cecilia Turrini
- Department of Translation Medicine and for Romagna, Section of Anesthesia and Intensive Care, University of Ferrara, 44121 Ferrara, Italy; (F.M.); (C.T.); (R.R.); (I.O.); (C.A.V.); (S.S.)
| | - Michela Rauseo
- Department of Anesthesia and Intensive Care, University of Foggia, 71122 Foggia, Italy; (M.R.); (L.M.); (G.C.)
| | - Lucia Mirabella
- Department of Anesthesia and Intensive Care, University of Foggia, 71122 Foggia, Italy; (M.R.); (L.M.); (G.C.)
| | - Riccardo Ragazzi
- Department of Translation Medicine and for Romagna, Section of Anesthesia and Intensive Care, University of Ferrara, 44121 Ferrara, Italy; (F.M.); (C.T.); (R.R.); (I.O.); (C.A.V.); (S.S.)
| | - Irene Ottaviani
- Department of Translation Medicine and for Romagna, Section of Anesthesia and Intensive Care, University of Ferrara, 44121 Ferrara, Italy; (F.M.); (C.T.); (R.R.); (I.O.); (C.A.V.); (S.S.)
| | - Gilda Cinnella
- Department of Anesthesia and Intensive Care, University of Foggia, 71122 Foggia, Italy; (M.R.); (L.M.); (G.C.)
| | - Carlo Alberto Volta
- Department of Translation Medicine and for Romagna, Section of Anesthesia and Intensive Care, University of Ferrara, 44121 Ferrara, Italy; (F.M.); (C.T.); (R.R.); (I.O.); (C.A.V.); (S.S.)
| | - Savino Spadaro
- Department of Translation Medicine and for Romagna, Section of Anesthesia and Intensive Care, University of Ferrara, 44121 Ferrara, Italy; (F.M.); (C.T.); (R.R.); (I.O.); (C.A.V.); (S.S.)
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15
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Zhou J, Wang C, Lv R, Liu N, Huang Y, Wang W, Yu L, Xie J. Protective mechanical ventilation with optimal PEEP during RARP improves oxygenation and pulmonary indexes. Trials 2021; 22:351. [PMID: 34011404 PMCID: PMC8135157 DOI: 10.1186/s13063-021-05310-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2020] [Accepted: 05/04/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND This trial aimed to evaluate the effects of a protective ventilation strategy on oxygenation/pulmonary indexes in patients undergoing robot-assisted radical prostatectomy (RARP) in the steep Trendelenburg position. METHODS In phase 1, the most optimal positive end-expiratory pressure (PEEP) was determined in 25 patients at 11 cmH2O. In phase 2, 64 patients were randomized to the traditional ventilation group with tidal volume (VT) of 9 ml/kg of predicted body weight (PBW) and the protective ventilation group with VT of 7 ml/kg of PBW with optimal PEEP and recruitment maneuvers (RMs). The primary endpoint was the intraoperative and postoperative PaO2/FiO2. The secondary endpoints were the PaCO2, SpO2, modified clinical pulmonary infection score (mCPIS), and the rate of complications in the postoperative period. RESULTS Compared with controls, PaO2/FiO2 in the protective group increased after the second RM (P=0.018), and the difference remained until postoperative day 3 (P=0.043). PaCO2 showed transient accumulation in the protective group after the first RM (T2), but this phenomenon disappeared with time. SpO2 in the protective group was significantly higher during the first three postoperative days. Lung compliance was significantly improved after the second RM in the protective group (P=0.025). The mCPIS was lower in the protective group on postoperative day 3 (0.59 (1.09) vs. 1.46 (1.27), P=0.010). CONCLUSION A protective ventilation strategy with lower VT combined with optimal PEEP and RMs could improve oxygenation and reduce mCPIS in patients undergoing RARP. TRIAL REGISTRATION ChiCTR ChiCTR1800015626 . Registered on 12 April 2018.
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Affiliation(s)
- Jianwei Zhou
- Department of Anesthesia, Lishui Hospital, School of Medicine, Zhejiang University, kuocang Road 289, Lishui, 323000, Zhejiang, China
| | - Chuanguang Wang
- Department of Anesthesia, Lishui Hospital, School of Medicine, Zhejiang University, kuocang Road 289, Lishui, 323000, Zhejiang, China
| | - Ran Lv
- Department of Anesthesia, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, East Qingchun Road 3, Hangzhou, 310016, Zhejiang, China
| | - Na Liu
- Department of Anesthesia, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, East Qingchun Road 3, Hangzhou, 310016, Zhejiang, China
| | - Yan Huang
- Department of Anesthesia, Lishui Hospital, School of Medicine, Zhejiang University, kuocang Road 289, Lishui, 323000, Zhejiang, China
| | - Wu Wang
- Department of Anesthesia, Lishui Hospital, School of Medicine, Zhejiang University, kuocang Road 289, Lishui, 323000, Zhejiang, China
| | - Lina Yu
- Department of Anesthesia, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310009, Zhejiang, China
| | - Junran Xie
- Department of Anesthesia, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, East Qingchun Road 3, Hangzhou, 310016, Zhejiang, China.
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16
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Yu J, Park JY, Lee Y, Hwang JH, Kim YK. Sugammadex versus neostigmine on postoperative pulmonary complications after robot-assisted laparoscopic prostatectomy: a propensity score-matched analysis. J Anesth 2021; 35:262-269. [PMID: 33683444 DOI: 10.1007/s00540-021-02910-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2020] [Accepted: 02/14/2021] [Indexed: 12/17/2022]
Abstract
PURPOSE Robot-assisted laparoscopic prostatectomy (RALP) requires particular surgical conditions, such as carbon dioxide pneumoperitoneum and steep Trendelenburg positioning, which may have adverse effects on the respiratory system. The effect of sugammadex on postoperative pulmonary complications (PPCs) is controversial. Therefore, we evaluated the incidence of PPCs according to the type of neuromuscular blockade reversal agents in RALP. METHODS We retrospectively analyzed RALP patients. We compared the incidence of PPCs between patients receiving neostigmine (neostigmine group) and those receiving sugammadex (sugammadex group) as a neuromuscular blockade reversal agent. Propensity score-matched analysis was performed. Other postoperative outcomes, such as duration of hospital stays, major adverse cardiac events during hospital stays, and death during hospital stays, were also compared between the two groups. RESULTS The incidence of PPCs was 28.9% (137/474) in RALP. The incidence of PPCs was significantly lower in the sugammadex group than in the neostigmine group (18.6% [44/237] vs. 39.2% [93/237], p < 0.001). The incidence of atelectasis was significantly lower in the sugammadex group than in the neostigmine group (18.6% vs. 39.2%, p < 0.001). The incidence of pneumonia was not significantly different between the sugammadex and neostigmine groups after RALP (0.0% vs. 0.4%, p > 0.999). Besides these, other postoperative outcomes were not significantly different between the two groups. CONCLUSIONS The incidence of PPCs after RALP was significantly lower in patients receiving sugammadex than in those receiving neostigmine. These results can provide useful information on the appropriate selection of neuromuscular blockade reversal agents in RALP.
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Affiliation(s)
- Jihion Yu
- Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea
| | - Jun-Young Park
- Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea
| | - Yongsoo Lee
- Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea
| | - Jai-Hyun Hwang
- Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea
| | - Young-Kug Kim
- Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea.
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Ventilation and outcomes following robotic-assisted abdominal surgery: an international, multicentre observational study. Br J Anaesth 2020; 126:533-543. [PMID: 33131757 DOI: 10.1016/j.bja.2020.08.058] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 08/09/2020] [Accepted: 08/20/2020] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND International data on the epidemiology, ventilation practice, and outcomes in patients undergoing abdominal robotic-assisted surgery (RAS) are lacking. The aim of the study was to assess the incidence of postoperative pulmonary complications (PPCs), and to describe ventilator management after abdominal RAS. METHODS This was an international, multicentre, prospective study in 34 centres in nine countries. Patients ≥18 yr of age undergoing abdominal RAS were enrolled between April 2017 and March 2019. The Assess Respiratory Risk in Surgical Patients in Catalonia (ARISCAT) score was used to stratify for higher risk of PPCs (≥26). The primary outcome was the incidence of PPCs. Secondary endpoints included the preoperative risk for PPCs and ventilator management. RESULTS Of 1167 subjects screened, 905 abdominal RAS patients were included. Overall, 590 (65.2%) patients were at increased risk for PPCs. Meanwhile, 172 (19%) patients sustained PPCs, which occurred more frequently in 132 (22.4%) patients at increased risk, compared with 40 (12.7%) patients at lower risk of PPCs (absolute risk difference: 12.2% [95% confidence intervals (CI), 6.8-17.6%]; P<0.001). Plateau and driving pressures were higher in patients at increased risk, compared with patients at low risk of PPCs, but no ventilatory variables were independently associated with increased occurrence of PPCs. Development of PPCs was associated with a longer hospital stay. CONCLUSIONS One in five patients developed one or more PPCs (chiefly unplanned oxygen requirement), which was associated with a longer hospital stay. No ventilatory variables were independently associated with PPCs. CLINICAL TRIAL REGISTRATION NCT02989415.
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Jo YY, Lee KC, Chang YJ, Jung WS, Park J, Kwak HJ. Effects of an Alveolar Recruitment Maneuver During Lung Protective Ventilation on Postoperative Pulmonary Complications in Elderly Patients Undergoing Laparoscopy. Clin Interv Aging 2020; 15:1461-1469. [PMID: 32921992 PMCID: PMC7457882 DOI: 10.2147/cia.s264987] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 08/07/2020] [Indexed: 10/26/2022] Open
Abstract
Purpose Controversy remains over whether alveolar recruitment maneuvers (ARMs) can reduce postoperative pulmonary complications. We hypothesized that performing an ARM in addition to lung protective ventilation (LPV) could improve intraoperative arterial oxygenation and postoperative pulmonary complications (PPCs) in elderly patients undergoing laparoscopy in the Trendelenburg position. Patients and Methods Sixty-two patients (aged 65-85) scheduled for laparoscopic low anterior resection were randomized to receive LPV only (LPV group, n = 32) or LPV with an ARM (ARM group, n = 30). LPV was set to a tidal volume of 6 mL/kg with a positive end expiratory pressure (PEEP) of 5 cmH2O. The ARM was performed by serially increasing the PEEP to 10 cmH2O for 3 breaths, 15 cmH2O for 3 breaths, then 20 cmH2O for 10 breaths, both immediately before and after abdominal insufflation. The primary end-point was the frequency of PPCs such as desaturation (SpO2 <90%), atelectasis, and pneumonia. Secondary end-points were changes in intraoperative respiratory and gas exchange parameters and hemodynamic variables. Results One patient in the LPV group experienced desaturation on the first postoperative day. The frequency of chest X-ray abnormalities such as atelectasis or pleural effusion was comparable between groups (6 (19%) and 5 (17%) patients, respectively, P = 0.676). Changes in other respiratory, gas exchange and hemodynamic parameters over time were not significantly different between the groups. However, vasopressor requirements during surgery were higher in the ARM than the LPV group (9 (30%) and 2 (6%) patients, respectively, P = 0.014). Conclusion This study suggests that performing an ARM during LPV may not improve postoperative respiratory outcomes and intraoperative oxygenation compared to LPV alone in geriatric patients undergoing laparoscopy in the Trendelenburg position. In addition, since the ARM could cause a significant deterioration in hemodynamic parameters, applying ARM to elderly patients should be carefully considered.
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Affiliation(s)
- Youn Yi Jo
- Department of Anesthesiology and Pain Medicine, Gachon University College of Medicine, Gil Hospital, Incheon, Republic of Korea
| | - Kyung Cheon Lee
- Department of Anesthesiology and Pain Medicine, Gachon University College of Medicine, Gil Hospital, Incheon, Republic of Korea
| | - Young Jin Chang
- Department of Anesthesiology and Pain Medicine, Gachon University College of Medicine, Gil Hospital, Incheon, Republic of Korea
| | - Wol Seon Jung
- Department of Anesthesiology and Pain Medicine, Gachon University College of Medicine, Gil Hospital, Incheon, Republic of Korea
| | - Jongchul Park
- Department of Anesthesiology and Pain Medicine, Gachon University College of Medicine, Gil Hospital, Incheon, Republic of Korea
| | - Hyun Jeong Kwak
- Department of Anesthesiology and Pain Medicine, Gachon University College of Medicine, Gil Hospital, Incheon, Republic of Korea
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Odor PM, Bampoe S, Gilhooly D, Creagh-Brown B, Moonesinghe SR. Perioperative interventions for prevention of postoperative pulmonary complications: systematic review and meta-analysis. BMJ 2020; 368:m540. [PMID: 32161042 PMCID: PMC7190038 DOI: 10.1136/bmj.m540] [Citation(s) in RCA: 101] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
OBJECTIVE To identify, appraise, and synthesise the best available evidence on the efficacy of perioperative interventions to reduce postoperative pulmonary complications (PPCs) in adult patients undergoing non-cardiac surgery. DESIGN Systematic review and meta-analysis of randomised controlled trials. DATA SOURCES Medline, Embase, CINHAL, and CENTRAL from January 1990 to December 2017. ELIGIBILITY CRITERIA Randomised controlled trials investigating short term, protocolised medical interventions conducted before, during, or after non-cardiac surgery were included. Trials with clinical diagnostic criteria for PPC outcomes were included. Studies of surgical technique or physiological or biochemical outcomes were excluded. DATA EXTRACTION AND SYNTHESIS Reviewers independently identified studies, extracted data, and assessed the quality of evidence. Meta-analyses were conducted to calculate risk ratios with 95% confidence intervals. Quality of evidence was summarised in accordance with GRADE methods. The primary outcome was the incidence of PPCs. Secondary outcomes were respiratory infection, atelectasis, length of hospital stay, and mortality. Trial sequential analysis was used to investigate the reliability and conclusiveness of available evidence. Adverse effects of interventions were not measured or compared. RESULTS 117 trials enrolled 21 940 participants, investigating 11 categories of intervention. 95 randomised controlled trials enrolling 18 062 participants were included in meta-analysis; 22 trials were excluded from meta-analysis because the interventions were not sufficiently similar to be pooled. No high quality evidence was found for interventions to reduce the primary outcome (incidence of PPCs). Seven interventions had low or moderate quality evidence with confidence intervals indicating a probable reduction in PPCs: enhanced recovery pathways (risk ratio 0.35, 95% confidence interval 0.21 to 0.58), prophylactic mucolytics (0.40, 0.23 to 0.67), postoperative continuous positive airway pressure ventilation (0.49, 0.24 to 0.99), lung protective intraoperative ventilation (0.52, 0.30 to 0.88), prophylactic respiratory physiotherapy (0.55, 0.32 to 0.93), epidural analgesia (0.77, 0.65 to 0.92), and goal directed haemodynamic therapy (0.87, 0.77 to 0.98). Moderate quality evidence showed no benefit for incentive spirometry in preventing PPCs. Trial sequential analysis adjustment confidently supported a relative risk reduction of 25% in PPCs for prophylactic respiratory physiotherapy, epidural analgesia, enhanced recovery pathways, and goal directed haemodynamic therapies. Insufficient data were available to support or refute equivalent relative risk reductions for other interventions. CONCLUSIONS Predominantly low quality evidence favours multiple perioperative PPC reduction strategies. Clinicians may choose to reassess their perioperative care pathways, but the results indicate that new trials with a low risk of bias are needed to obtain conclusive evidence of efficacy for many of these interventions. STUDY REGISTRATION Prospero CRD42016035662.
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Affiliation(s)
- Peter M Odor
- Department of Anaesthesia and Perioperative Medicine, University College Hospital, London, UK
| | - Sohail Bampoe
- Department of Anaesthesia and Perioperative Medicine, University College Hospital, London, UK
| | - David Gilhooly
- Department of Anaesthesia and Perioperative Medicine, University College Hospital, London, UK
| | - Benedict Creagh-Brown
- Surrey Perioperative Anaesthesia Critical care collaborative Research (SPACeR) Group, Intensive Care Unit, Royal Surrey County Hospital NHS Foundation Trust, Guildford, UK
- Department of Clinical and Experimental Medicine, Faculty of Health and Medical Sciences, University of Surrey, Guildford, UK
| | - S Ramani Moonesinghe
- Department of Anaesthesia and Perioperative Medicine, University College Hospital, London, UK
- UCL/UCLH Surgical Outcomes Research Centre, UCL Centre for Perioperative Medicine, Research Department for Targeted Intervention, Division of Surgery and Interventional Science, University College London, London, UK
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20
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Intraoperative ventilation strategies to prevent postoperative pulmonary complications: a network meta-analysis of randomised controlled trials. Br J Anaesth 2020; 124:324-335. [DOI: 10.1016/j.bja.2019.10.024] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 10/24/2019] [Accepted: 10/31/2019] [Indexed: 11/30/2022] Open
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21
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Lung-protective ventilation for the surgical patient: international expert panel-based consensus recommendations. Br J Anaesth 2019; 123:898-913. [DOI: 10.1016/j.bja.2019.08.017] [Citation(s) in RCA: 90] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 07/22/2019] [Accepted: 08/04/2019] [Indexed: 12/16/2022] Open
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22
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Myatra SN. Hemodynamic effects of alveolar recruitment maneuvres in the operating room: Proceed with caution. J Anaesthesiol Clin Pharmacol 2019; 35:431-433. [PMID: 31920224 PMCID: PMC6939575 DOI: 10.4103/joacp.joacp_223_19] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Affiliation(s)
- Sheila N. Myatra
- Department of Anesthesiology, Critical Care and Pain, Tata Memorial Hospital, Homi Bhabha National Institute, Mumbai, Maharashtra, India
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23
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Cui Y, Cao R, Li G, Gong T, Ou Y, Huang J. The effect of lung recruitment maneuvers on post-operative pulmonary complications for patients undergoing general anesthesia: A meta-analysis. PLoS One 2019; 14:e0217405. [PMID: 31141541 PMCID: PMC6541371 DOI: 10.1371/journal.pone.0217405] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Accepted: 05/11/2019] [Indexed: 01/15/2023] Open
Abstract
BACKGROUND Respiratory function would be impaired during general anesthesia period. Researchers devoted their energies to finding effective strategies for protecting respiratory function. Low tidal volume, positive end-expiratory pressure (PEEP), and lung recruitment maneuvers (LRMs) were recommended for patients under mechanical ventilation. However, based on the current evidence, there was no consensus on whether LRMs should be routinely used for anesthetized patients with healthy lungs, and the benefits of them remained to be determined. MATERIALS AND METHODS To evaluate the benefits of LRMs on patients undergoing surgery with general anesthesia, we searched relevant studies in PubMed, EMBASE, Ovid Medline and the Cochrane Library up to June 30, 2018. The primary outcome was postoperative pulmonary complications (PPCs). RESULTS Twelve trials involving 2756 anesthetized patients were included. The results of our study showed a significant benefit of LRMs for reducing the incidence of PPCs (RR = 0.67; 95%CI, 0.49 to 0.90; P<0.05; Chi2 = 32.94, p for heterogeneity = 0.0005, I2 = 67%). After subgroup analyses, we found LRMs combining with lung protective ventilation strategy and sustained recruitment maneuvers were associated with reducing the occurrence of PPCs. The results also revealed that the use of LRMs improved PaO2/FiO2 in non-obese patients, but with extremely high heterogeneity (I2 = 95%). CONCLUSION According to the findings from contemporary meta-analysis, LRMs combining with lung protective ventilation strategy may have an association with decreasing in the incidence of PPCs and improvement of oxygenation on non-obese patients. However, the conclusions must be interpreted cautiously as the outcome may be influenced dramatically due to varied LRMs and ventilation patterns.
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Affiliation(s)
- Yu Cui
- Department of Anesthesiology, Chengdu Women’s and Children’s Central Hospital, Chengdu, Sichuan, China
| | - Rong Cao
- Department of Anesthesiology, Chengdu Women’s and Children’s Central Hospital, Chengdu, Sichuan, China
| | - Gen Li
- Department of Anesthesiology, Vanderbilt University Medical Center, Nashville, Tennessee, United States of America
| | - Tianqing Gong
- Department of Anesthesiology, Chengdu Women’s and Children’s Central Hospital, Chengdu, Sichuan, China
| | - Yingyu Ou
- Department of Anesthesiology, Chengdu Women’s and Children’s Central Hospital, Chengdu, Sichuan, China
| | - Jing Huang
- Department of Anesthesiology, Chengdu Women’s and Children’s Central Hospital, Chengdu, Sichuan, China
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24
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Aceto P, Beretta L, Cariello C, Claroni C, Esposito C, Forastiere EM, Guarracino F, Perucca R, Romagnoli S, Sollazzi L, Cela V, Ercoli A, Scambia G, Vizza E, Ludovico GM, Sacco E, Vespasiani G, Scudeller L, Corcione A. Joint consensus on anesthesia in urologic and gynecologic robotic surgery: specific issues in management from a task force of the SIAARTI, SIGO, and SIU. Minerva Anestesiol 2019; 85:871-885. [PMID: 30938121 DOI: 10.23736/s0375-9393.19.13360-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
INTRODUCTION Proper management of patients undergoing robotic-assisted urologic and gynecologic surgery must consider a series of peculiarities in the procedures for anesthesiology, critical care medicine, respiratory care, and pain management. Although the indications for robotic-assisted urogynecologic surgeries have increased in recent years, specific guidance documents are still lacking. EVIDENCE ACQUISITION A multidisciplinary group including anesthesiologists, gynecologists, urologists, and a clinical epidemiologist systematically reviewed the relevant literature and provided a set of recommendations and unmet needs on peculiar aspects of anesthesia in this field. EVIDENCE SYNTHESIS Nine core contents were identified, according to their requirements in urogynecologic robotic-assisted surgery: patient position, pneumoperitoneum and ventilation strategies, hemodynamic variations and fluid therapy, neuromuscular block, renal surgery and prevention of acute kidney injury, monitoring the Department of anesthesia, postoperative delirium and cognitive dysfunction, prevention of postoperative nausea and vomiting, and pain management in endometriosis. CONCLUSIONS This consensus document provides guidance for the management of urologic and gynecologic patients scheduled for robotic-assisted surgery. Moreover, the identified unmet needs highlight the requirement for further prospective randomized studies.
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Affiliation(s)
- Paola Aceto
- A. Gemelli University Polyclinic, IRCSS Foundation, Rome, Italy.,Sacred Heart Catholic University, Rome, Italy
| | - Luigi Beretta
- Unit of Anesthesiology and Intensive Care, IRCCS San Raffaele Hospital, Milan, Italy
| | - Claudia Cariello
- Department of Anesthesia and Critical Care Medicine, Cardiothoracic Anesthesia and Intensive Care, University Hospital of Pisa, Pisa, Italy
| | - Claudia Claroni
- Department of Anesthesiology, Regina Elena National Cancer Institute, Rome, Italy
| | - Clelia Esposito
- Department of Critical Care Area Monaldi Hospital, Ospedali dei Colli, Naples, Italy
| | - Ester M Forastiere
- Department of Anesthesiology, Regina Elena National Cancer Institute, Rome, Italy
| | - Fabio Guarracino
- Department of Anesthesia and Critical Care Medicine, Cardiothoracic Anesthesia and Intensive Care, University Hospital of Pisa, Pisa, Italy
| | - Raffaella Perucca
- Department of Anesthesia and Intensive Care, Maggiore della Carità Hospital, Novara, Italy
| | - Stefano Romagnoli
- Section of Anesthesia and Critical Care, Health Science Department, University of Florence, Florence, Italy.,Department of Anesthesia and Critical Care, Careggi Hospital, Florence, Italy
| | - Liliana Sollazzi
- A. Gemelli University Polyclinic, IRCSS Foundation, Rome, Italy.,Sacred Heart Catholic University, Rome, Italy
| | - Vito Cela
- Department of Clinical and Experimental Medicine, Obstetrics and Gynecology, Pisa University Hospital, Pisa, Italy
| | - Alfredo Ercoli
- Department of Obstetrics and Gynecology, Amedeo Avogadro University of Eastern Piedmont, Maggiore Hospital, Novara, Italy
| | - Giovanni Scambia
- A. Gemelli University Polyclinic, IRCSS Foundation, Rome, Italy.,Sacred Heart Catholic University, Rome, Italy
| | - Enrico Vizza
- Unit of Gynecologic Oncology, Department of Experimental Clinical Oncology, IRCCS - Regina Elena National Cancer Institute, Rome, Italy
| | - Giuseppe M Ludovico
- Department of Urology, F. Miulli Regional Hospital, Acquavivadelle Fonti, Bari, Italy
| | - Emilio Sacco
- Department of Urology, Sacred Heart Catholic University, A. Gemelli University Polyclinic, IRCSS Foundation, Rome, Italy
| | - Giuseppe Vespasiani
- Department of Experimental Medicine and Surgery, University Hospital of Tor Vergata, Rome, Italy
| | - Luigia Scudeller
- Unit of Clinical Epidemiology, San Matteo IRCSS Foundation, Pavia, Italy -
| | - Antonio Corcione
- Department of Critical Care Area Monaldi Hospital, Ospedali dei Colli, Naples, Italy
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25
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Abstract
Perioperative lung injury is a major source of postoperative morbidity, excess healthcare use, and avoidable mortality. Many potential inciting factors can lead to this condition, including intraoperative ventilator induced lung injury. Questions exist as to whether protective ventilation strategies used in the intensive care unit for patients with acute respiratory distress syndrome are equally beneficial for surgical patients, most of whom do not present with any pre-existing lung pathology. Studied both individually and in combination as a package of intraoperative lung protective ventilation, the use of low tidal volumes, moderate positive end expiratory pressure, and recruitment maneuvers have been shown to improve oxygenation and pulmonary physiology and to reduce postoperative pulmonary complications in at risk patient groups. Further work is needed to define the potential contributions of alternative ventilator strategies, limiting excessive intraoperative oxygen supplementation, use of non-invasive techniques in the postoperative period, and personalized mechanical ventilation. Although the weight of evidence strongly suggests a role for lung protective ventilation in moderate risk patient groups, definitive evidence of its benefit for the general surgical population does not exist. However, given the shift in understanding of what is needed for adequate oxygenation and ventilation under anesthesia, the largely historical arguments against the use of intraoperative lung protective ventilation may soon be outdated, on the basis of its expanding track record of safety and efficacy in multiple settings.
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Affiliation(s)
- Brian O'Gara
- Department of Anesthesia, Critical Care, and Pain Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Daniel Talmor
- Department of Anesthesia, Critical Care, and Pain Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
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