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1.
Postoperative Management of Lung Transplant Recipients in the Intensive Care Unit.
Di Nardo, M, Tikkanen, J, Husain, S, Singer, LG, Cypel, M, Ferguson, ND, Keshavjee, S, Del Sorbo, L
Anesthesiology. 2022;(3):482-499
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Abstract
The number of lung transplantations is progressively increasing worldwide, providing new challenges to interprofessional teams and the intensive care units. The outcome of lung transplantation recipients is critically affected by a complex interplay of particular pathophysiologic conditions and risk factors, knowledge of which is fundamental to appropriately manage these patients during the early postoperative course. As high-grade evidence-based guidelines are not available, the authors aimed to provide an updated review of the postoperative management of lung transplantation recipients in the intensive care unit, which addresses six main areas: (1) management of mechanical ventilation, (2) fluid and hemodynamic management, (3) immunosuppressive therapies, (4) prevention and management of neurologic complications, (5) antimicrobial therapy, and (6) management of nutritional support and abdominal complications. The integrated care provided by a dedicated multidisciplinary team is key to optimize the complex postoperative management of lung transplantation recipients in the intensive care unit.
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Perioperative Goal-Directed Fluid Therapy: A Prime Component of Enhanced Recovery After Surgery.
McLain, N, Parks, S, Collins, MJ
AANA journal. 2021;(4):351-357
Abstract
Perioperative goal-directed fluid therapy (GDFT) is a prime component of the Enhanced Recovery After Surgery (ERAS) protocol. Multiple studies have demonstrated a relationship between GDFT and positive patient outcomes, including shorter hospital stays, decreased ileus formation, reduced gastrointestinal-related issues, decreased nausea, and hemodynamic stability. Electrolyte disturbances following a positive fluid balance may occur, and GDFT is aimed at euvolemia to avoid a hypervolemic state. Carbohydrate loading, early discontinuation of postoperative intravenous fluids, and use of isoosmotic solutions all are components of GDFT. Lactated Ringer's solution is the fluid recommended for nonrenal patients and patients with hepatic compromise. The negative consequences associated with hypervolemia deem it pertinent to devise an individualized GDFT plan in the ERAS protocol.
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Exercise prehabilitation in lung cancer: Getting stronger to recover faster.
Avancini, A, Cavallo, A, Trestini, I, Tregnago, D, Belluomini, L, Crisafulli, E, Micheletto, C, Milella, M, Pilotto, S, Lanza, M, et al
European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology. 2021;(8):1847-1855
Abstract
Despite several recent advances, lung cancer surgery is still associated with potentially severe postoperative complications. It has been suggested that preoperative exercise training could render patients with borderline functional parameters eligible for surgery, improve perioperative outcomes and that these benefits might reduce healthcare costs. Nevertheless, given the substantial heterogeneity of the available studies, no specific guidelines for preoperative exercise training have been released so far. This narrative review aims to provide an overview of the potential benefits of exercise training in the preoperative period as a central intervention for lung cancer patients. In detail, the effects of exercise (with different regimens) were evaluated in terms of physical functions, patients' eligibility for curative surgery, postoperative complications and length of stay, with an exploratory focus on healthcare costs and long-term outcomes. Furthermore, a feasible approach for every-day clinical practice is proposed in order to increase the expected benefit deriving from a more extensive and methodical application of prehabilitation exercise, ideally in the context of a comprehensive approach to lung cancer patients, including nutritional and psychological support.
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The Effect of Perioperative Administration of Probiotics on Colorectal Cancer Surgery Outcomes.
Pitsillides, L, Pellino, G, Tekkis, P, Kontovounisios, C
Nutrients. 2021;(5)
Abstract
The perioperative care of colorectal cancer (CRC) patients includes antibiotics. Although antibiotics do provide a certain protection against infections, they do not eliminate them completely, and they do carry risks of microbial resistance and disruption of the microbiome. Probiotics can maintain the microbiome's balance postoperatively by maintaining intestinal mucosal integrity and reducing bacterial translocation (BT). This review aims to assess the role of probiotics in the perioperative management of CRC patients. The outcomes were categorised into: postoperative infectious and non-infectious complications, BT rate analysis, and intestinal permeability assessment. Fifteen randomised controlled trials (RCTs) were included. There was a trend towards lower rates of postoperative infectious and non-infectious complications with probiotics versus placebo. Probiotics reduced BT, maintained intestinal mucosal permeability, and provided a better balance of beneficial to pathogenic microorganisms. Heterogeneity among RCTs was high. Factors that influence the effect of probiotics include the species used, using a combination vs. single species, the duration of administration, and the location of the bowel resection. Although this review provided evidence for how probiotics possibly operate and reported notable evidence that probiotics can lower rates of infections, heterogeneity was observed. In order to corroborate the findings, future RCTs should keep the aforementioned factors constant.
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5.
Role of Nutrition in Prevention of Neonatal Spontaneous Intestinal Perforation and Its Complications: A Systematic Review.
Olaloye, O, Swatski, M, Konnikova, L
Nutrients. 2020;(5)
Abstract
Spontaneous intestinal perforation (SIP) is a devastating complication of prematurity, and extremely low birthweight (ELBW < 1000 g) infants born prior to 28 weeks are at highest risk. The role of nutrition and feeding practices in prevention and complications of SIP is unclear. The purpose of this review is to compile evidence to support early nutrition initiation in infants at risk for and after surgery for SIP. Methods: A search of PubMed, EMBASE and Medline was performed using relevant search terms according to Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. Abstracts and full texts were reviewed by co-first authors. Studies with infants diagnosed with SIP that included information on nutrition/feeding practices prior to SIP and post-operatively were included. Primary outcome was time to first feed. Secondary outcomes were incidence of SIP, time to full enteral feeds, duration of parenteral nutrition, length of stay, neurodevelopmental outcomes and mortality. Results: Nineteen articles met inclusion criteria-nine studies included feeding/nutrition data prior to SIP and ten studies included data on post-operative nutrition. Two case series, one cohort study and sixteen historical control studies were included. Three studies showed reduced incidence of SIP with initiation of enteral nutrition in the first three days of life. Two studies showed reduced mortality and neurodevelopmental impairment in infants with early feeding. Conclusions: Available data suggest that early enteral nutrition in ELBW infants reduces incidence of SIP without increased mortality.
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6.
Anesthetic management of geriatric patients.
Lim, BG, Lee, IO
Korean journal of anesthesiology. 2020;(1):8-29
Abstract
The number of elderly patients who frequently access health care services is increasing worldwide. While anesthesiologists are developing the expertise to care for these elderly patients, areas of concern remain. We conducted a comprehensive search of major international databases (PubMed, Embase, and Cochrane) and a Korean database (KoreaMed) to review preoperative considerations, intraoperative management, and postoperative problems when anesthetizing elderly patients. Preoperative preparation of elderly patients included functional assessment to identify preexisting cognitive impairment or cardiopulmonary reserve, depression, frailty, nutrition, polypharmacy, and anticoagulation issues. Intraoperative management included anesthetic mode and pharmacology, monitoring, intravenous fluid or transfusion management, lung-protective ventilation, and prevention of hypothermia. Postoperative checklists included perioperative analgesia, postoperative delirium and cognitive dysfunction, and other complications. A higher level of perioperative care was required for older surgical patients, as multiple chronic diseases often makes them prone to developing postoperative complications, including functional decline and loss of independence. Although the guiding evidence remains poor so far, elderly patients have to be provided optimal perioperative care through close interdisciplinary, interprofessional, and cross-sectional collaboration to minimize unwanted postoperative outcomes. Furthermore, along with adequate anesthetic care, well-planned postoperative care should begin immediately after surgery and extend until discharge.
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Laparoscopic versus open distal gastrectomy for advanced gastric cancer: A meta-analysis of randomized controlled trials and high-quality nonrandomized comparative studies.
Chen, X, Feng, X, Wang, M, Yao, X
European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology. 2020;(11):1998-2010
Abstract
BACKGROUND Controversy persists about the effects of laparoscopic distal gastrectomy (LDG) versus open distal gastrectomy (ODG) on short-term surgical outcomes and long-term survival within the field of advanced gastric cancer (AGC). METHODS Studies published from January 1994 to February 2020 that compare LDG and ODG for AGC were identified. All randomized controlled trials (RCTs) were included. The selection of high-quality nonrandomized comparative studies (NRCTs) was based on a validated tool (Methodological Index for Nonrandomized Studies, MINORS). The short- and long-term outcomes of both procedures were compared. RESULTS Overall, 30 studies were included in this meta-analysis, which comprised of 8 RCTs and 22 NRCTs involving 16,029 patients (7864 LDGs, 8165 ODGs). The recurrence, 3-year disease-free survival (DFS), 3-year overall survival (OS), and 5-year OS rates for LDG and ODG were comparable. LDG was associated with a lower postoperative complication rate (OR 0.79; P < 0.00001), lower estimated volume of blood loss (WMD -102.21 mL; P < 0.00001), shorter postoperative hospital stay (WMD -1.96 days; P < 0.0001), shorter time to first flatus (WMD -0.54 day; P = 0.0007) and shorter time to first liquid diet (WMD -0.66 day; P = 0.001). The number of lymph nodes retrieved, mortality, intraoperative complications, intraoperative blood transfusion, and time to ambulation were similar. However, LDG was associated with a longer surgical time (WMD 33.57 min; P < 0.00001). CONCLUSIONS LDG with D2 lymphadenectomy is a safe and effective technique for patients with AGC when performed by experienced surgeons at high-volume specialized centers.
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Oxygen Embolism and Pneumocephalus After Hydrogen Peroxide Application During Minimally Invasive Transforaminal Lumbar Interbody Fusion Surgery: A Case Report and Literature Review.
Zou, P, Yang, JS, Wang, XF, Wei, JM, Guo, H, Zhang, B, Zhang, F, Chu, L, Hao, DJ, Zhao, YT
World neurosurgery. 2020;:201-204
Abstract
BACKGROUND Hydrogen peroxide (H2O2) solution is commonly used to irrigate wounds because of its hemostatic and antiseptic properties. Previous studies suggest that H2O2 can result in toxicity to keratinocytes and fibroblasts, but complications after H2O2 application, including oxygen embolism, which is one of the most severe, have rarely been reported. CASE DESCRIPTION A 40-year-old woman was diagnosed with L4-5 lumbar spinal stenosis and subsequently underwent minimally invasive transforaminal lumbar interbody fusion treatment at another hospital. Hypotension, hypoxia, and a decrease in end-tidal carbon dioxide pressure occurred immediately after H2O2 irrigation. After the operation, she was able to be extubated but remained comatose. Postoperative computed tomography scan revealed intracranial air trapping in the right frontal lobe and multiple cerebral infarction foci. CONCLUSIONS When using a knee-prone surgical position or in cases of dural laceration, the application of undiluted H2O2 solution should be avoided, especially in a surgical wound within a closed cavity. When hypotension, hypoxia, and a decrease in end-tidal carbon dioxide pressure occur immediately after H2O2 irrigation, oxygen embolism should be strongly suspected.
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Challenges in optimising recovery after emergency laparotomy.
Foss, NB, Kehlet, H
Anaesthesia. 2020;:e83-e89
Abstract
Standardised peri-operative care pathways for patients undergoing emergency laparotomy or laparoscopy for non-traumatic pathologies have been shown to be inadequate and associated with high morbidity and mortality. Recent research has highlighted this problem and showed that simple pathways with 'rescue' interventions have been associated with reduced mortality when implemented successfully. These rescue pathways have focused on early diagnosis and surgery, specialist surgeon and anaesthetist involvement, goal-directed therapy and intensive or intermediary postoperative care for high-risk patients. In elective surgery, enhanced recovery has resulted in reduced length of stay and morbidity by the application of procedure-specific, evidence-based interventions inside rigorously implemented patient pathways based on multidisciplinary co-operation. The focus has been on attenuation of peri-operative stress and pain management to facilitate early recovery. Patients undergoing emergency laparotomy are a heterogeneous group consisting mostly of patients with intestinal perforations and/or obstruction with varying levels of comorbidity and frailty. However, present knowledge of the different pathophysiology and peri-operative trajectory of complications in these patient groups is limited. In order to move beyond rescue pathways and to establish enhanced recovery for emergency laparotomy, it is essential that research on both the peri-operative pathophysiology of the different main patient groups - intestinal obstruction and perforation - and the potentially differentiated impact of interventions is carried out. Procedure- and pathology-specific knowledge is lacking on key elements of peri-operative care, such as: multimodal analgesia; haemodynamic optimisation and fluid management; attenuation of surgical stress; nutritional optimisation; facilitation of mobilisation; and the optimal use and organisation of specialised wards and improved interdisciplinary collaboration. As such, the future challenges in improving peri-operative patient care in emergency laparotomy are moving from simple rescue pathways to establish research that can form a basis for morbidity- and procedure-specific enhanced recovery protocols as seen in elective surgery.
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The case for statin use to reduce perioperative adverse cardiovascular and cerebrovascular events.
Ratcliffe, F, Rothwell, PM
British journal of anaesthesia. 2020;(5):525-534
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Abstract
Ischaemic heart disease and stroke are the leading causes of death worldwide at 119 per 100,000 and 85 per 100,000 population. For the USA, heart disease is leading cause of death at 165 per 100,000 population. In developed countries, strokes and acute myocardial infarction in the general population have fallen from smoking reduction, lifestyle modifications and therapeutic interventions including statins. In a population-based stroke study in the UK involving primary care practices, of in-hospital strokes 90% were ischaemic, and 37% occurred within 1 week of an operation. Approximately 50% of the patients were not on a statin. In the UK, there is a national screening initiative for the prevention of atherosclerotic cardiovascular disease (ASCVD) offered to people aged 40-74 yr old. The QRISK3 tool calculates the risk of developing heart disease or stroke over 10 yr, from which recommendations are made on interventions for the prevention of ASCVD up to age 84 yr, with similar screening and assessment tools in Europe and the US. If the QRISK3 score tool for calculating cardiovascular risk is considered sufficiently robust for population screening in primary care, should anaesthetists not use the same screening for secondary care? We present a case for statin use over the perioperative period, to reduce early vascular adverse events based on statins' early pleiotropic actions, using the primary care QRISK tool for screening of ASCVD risk.