BackgroundThere is currently conflicting evidence surrounding the effects of obesity on postoperative outcomes. Previous studies have found obesity to be associated with adverse events, but others have found no association. The aim of this study was to determine whether increasing body mass index (BMI) is an independent risk factor for development of major postoperative complications.MethodsThis was a multicentre prospective cohort study across the UK and Republic of Ireland. Consecutive patients undergoing elective or emergency gastrointestinal surgery over a 4‐month interval (October–December 2014) were eligible for inclusion. The primary outcome was the 30‐day major complication rate (Clavien–Dindo grade III–V). BMI was grouped according to the World Health Organization classification. Multilevel logistic regression models were used to adjust for patient, operative and hospital‐level effects, creating odds ratios (ORs) and 95 per cent confidence intervals (c.i.).ResultsOf 7965 patients, 2545 (32·0 per cent) were of normal weight, 2673 (33·6 per cent) were overweight and 2747 (34·5 per cent) were obese. Overall, 4925 (61·8 per cent) underwent elective and 3038 (38·1 per cent) emergency operations. The 30‐day major complication rate was 11·4 per cent (908 of 7965). In adjusted models, a significant interaction was found between BMI and diagnosis, with an association seen between BMI and major complications for patients with malignancy (overweight: OR 1·59, 95 per cent c.i. 1·12 to 2·29, P = 0·008; obese: OR 1·91, 1·31 to 2·83, P = 0·002; compared with normal weight) but not benign disease (overweight: OR 0·89, 0·71 to 1·12, P = 0·329; obese: OR 0·84, 0·66 to 1·06, P = 0·147).ConclusionOverweight and obese patients undergoing surgery for gastrointestinal malignancy are at increased risk of major postoperative complications compared with those of normal weight.
Background: Treatment for post-transplant relapsed/refractory acute lymphoblastic leukemia (R/R-ALL) is not well defined. A majority of ALL relapses occur within two years after allogeneic stem cell transplantation (allo-SCT). Blinatumomab, an anti-CD19/CD3 bispecific antibody, exerts cytotoxic activity leading to apoptosis of CD19 positive B cells. Blinatumomab and DLI combination therapy is a promising new concept in cancer treatment, whereby blinatumomab might achieve an initial reduction in ALL tumor burden using T-cells, and after tumor clearance, DLI can potentially stimulate the donor immune system to achieve longer lasting remission. Methods: Literature search was performed using PubMed, EMBASE, Cochrane and Web of Science databases up to 3 July 2018. MeSH terms and keywords of blinatumomab, DLI and ALL were used. Results: Comprehensive search retrieved over 150 articles. After exclusion criteria were applied, three studies (n=15 patients) met our inclusion criteria. We summarized data on 15 patients (table 1). Outcomes were not reported homogeneously. Two studies (Ueda, M. et al. 2016; Paul, S. et al. 2017) reported CR in months and one study (Bondarenko, SN. et al. 2017) reported the response rate (RR). Before starting blinatumomab therapy, 12 patients had post-transplant bone marrow relapse, 1 patient had an extramedullary relapse and 2 patients had a minimal residual disease (MRD) without marrow relapse. Total cycles of blinatumomab ranged from 2 to 4. Total cycles of DLI ranged from 1 to 2 given after at least one cycle of blinatumomab. DLI was mostly given with blinatumomab during cycle 3 (ranged from cycle 2 to cycle 4). Blinatumomab doses were not uniformly reported. DLI doses varied between 1x107 and 5x107. Complete remission (CR) with MRD negative status was achieved after 2 cycles of blinatumomab in 3 patients, 2 of them remained in CR for 7 and 13 months. One patient achieved CR and negative MRD status 7 months after initiation of blinatumomab (total cycles of combination therapy=2). Ten patients who had median number of 2 cycles of blinatumomab showed RR of 70%. Grade I acute skin GVHD was reported in one patient during the cycle 3 of blinatumomab before the first combination therapy. One patient developed grade II aGVHD after the combination therapy (cycles were not reported). One patient developed GVHD involving mouth and skin during the second cycle of combination therapy (cycle 3). Grade 3 late-onset acute skin and gut GVHD were reported in one patient after the first dual therapy (cycle 3). No fatalities were observed with combination therapy. Therapy was stopped in one patient who had isolated central nervous system (CNS) relapse detected in the cerebral spinal fluid and orbit following allo-SCT; the patient was treated with intrathecal chemotherapy and radiation. One patient died of extramedullary and hematologic relapses seen at 6 and 11 months after initiating blinatumomab, respectively. This patient previously had a marrow relapse before starting therapy. One patient having an extramedullary disease progressed despite blinatumomab and DLI. Conclusion: Blinatumomab and DLI combination therapy appears to be safe and effective, specially for patients with MRD positive status after stem cell transplantation. Large prospective studies are required to completely understand the efficacy and safety of this combination therapy. Disclosures No relevant conflicts of interest to declare.
Background: Patient selection for critical care admission must balance patient safety with optimal resource allocation. This study aimed to determine the relationship between critical care admission, and postoperative mortality after abdominal surgery. Methods: This prespecified secondary analysis of a multicentre, prospective, observational study included consecutive patients enrolled in the DISCOVER study from UK and Republic of Ireland undergoing major gastrointestinal and liver surgery between October and December 2014. The primary outcome was 30-day mortality. Multivariate logistic regression was used to explore associations between critical care admission (planned and unplanned) and mortality, and intercentre variation in critical care admission after emergency laparotomy. Results: Of 4529 patients included, 37.8% (n¼1713) underwent planned critical care admissions from theatre. Some 3.1% (n¼86/2816) admitted to ward-level care subsequently underwent unplanned critical care admission. Overall 30-day mortality was 2.9% (n¼133/4519), and the risk-adjusted association between 30-day mortality and critical care admission was higher in unplanned [odds ratio (OR): 8.65, 95% confidence interval (CI): 3.51e19.97) than planned admissions (OR: 2.32, 95% CI: 1.43e3.85). Some 26.7% of patients (n¼1210/4529) underwent emergency laparotomies. After adjustment, 49.3% (95% CI: 46.8e51.9%, P<0.001) were predicted to have planned critical care admissions, with 7% (n¼10/145) of centres outside the 95% CI. Conclusions: After risk adjustment, no 30-day survival benefit was identified for either planned or unplanned postoperative admissions to critical care within this cohort. This likely represents appropriate admission of the highest-risk patients. Planned admissions in selected, intermediate-risk patients may present a strategy to mitigate the risk of unplanned admission. Substantial inter-centre variation exists in planned critical care admissions after emergency laparotomies.
e23182 Background: An estimated 20.3 million cancer survivors are expected to be around by 2026. Estimated national expenditure for cancer care in 2017 were $147.3 billion and expected to increase every year. Cancer treatment is complex and requires management decisions, counselling, psychological support to be made by multidisciplinary teams. For rural and remote patients, these teams may be composed of local clinicians, and experts from distant urban centers using telemedicine (TeleMed). Methods: We used 2 databases to study Teleoncology (TelOnc) since 2002. Results: Scope of TelOnc includes cancer Telegenetics, Telepathology, remote supervision, symptom management, survivorship care, palliative care, and increase access to cancer clinical trials. Mobile applications support symptom management, lifestyle modification, and medication adherence. TeleMed can support the oncologist with interactive tele-education. Future TelOnc models would include web-based tools, mobile technologies and remote chemotherapy supervision. TeleMed had a high patient satisfaction rate. In a survey 82.21% participants were satisfied with their TeleMed experience, only 2.14% was not satisfied. Challenges: Despite an area of growing need, few studies have prospectively evaluated its efficacy in cancer. Even fewer data is available in young adults (group with liking for technology) with cancer. Lack of uniform model for reimbursement and hurdles of interstate practice license for providers are unique challenges. Conclusions: TeleMed / TelOnc can improve access to medical care, reduce healthcare costs, (Table) and reduce geographic health disparities. [Table: see text]
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