Background
This is the fourth updated Enhanced Recovery After Surgery (ERAS
®
) Society guideline presenting a consensus for optimal perioperative care in colorectal surgery and providing graded ...recommendations for each ERAS item within the ERAS
®
protocol.
Methods
A wide database search on English literature publications was performed. Studies on each item within the protocol were selected with particular attention paid to meta-analyses, randomised controlled trials and large prospective cohorts and examined, reviewed and graded according to Grading of Recommendations, Assessment, Development and Evaluation (GRADE) system.
Results
All recommendations on ERAS
®
protocol items are based on best available evidence; good-quality trials; meta-analyses of good-quality trials; or large cohort studies. The level of evidence for the use of each item is presented accordingly.
Conclusions
The evidence base and recommendation for items within the multimodal perioperative care pathway are presented by the ERAS
®
Society in this comprehensive consensus review.
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EMUNI, FIS, FZAB, GEOZS, GIS, IJS, IMTLJ, KILJ, KISLJ, MFDPS, NLZOH, NUK, OBVAL, OILJ, PNG, SAZU, SBCE, SBJE, SBMB, SBNM, UKNU, UL, UM, UPUK, VKSCE, ZAGLJ
The authors investigate the application of deep convolutional neural networks (CNNs) to the problem of radiometric identification, i.e. the task of authenticating wireless devices on the basis of ...their radio frequency (RF) emissions, which contain features directly related to the physical properties of the wireless devices. They collected digitised RF from 12 wireless devices, and used various techniques to transform the time series derived from the RF to images. A deep CNN is then applied to the images. The authors' results show that the identification performance of the combination of deep CNN with an image representation significantly outperforms conventional methods based on dissimilarity on the original time series. Moreover, a specific comparison among RF-to-image techniques show that on their datasets the wavelet-based approach outperforms other approaches, also in the presence of white Gaussian noise.
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FZAB, GIS, IJS, KILJ, NLZOH, NUK, OILJ, SAZU, SBCE, SBMB, UL, UM, UPUK
Background
The present article has been written to convey concepts of anaesthetic care within the context of an Enhanced Recovery After Surgery (ERAS) programme, thus aligning the practice of ...anaesthesia with the care delivered by the surgical team before, during and after surgery.
Methods
The physiological principles supporting the implementation of the ERAS programmes in patients undergoing major abdominal procedures are reviewed using an updated literature search and discussed by a multidisciplinary group composed of anaesthesiologists and surgeons with the aim to improve perioperative care.
Results
The pathophysiology of some key perioperative elements disturbing the homoeostatic mechanisms such as insulin resistance, ileus and pain is here discussed.
Conclusions
Evidence‐based strategies aimed at controlling the disruption of homoeostasis need to be evaluated in the context of ERAS programmes. Anaesthesiologists could, therefore, play a crucial role in facilitating the recovery process.
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BFBNIB, DOBA, FZAB, GIS, IJS, IZUM, KILJ, NLZOH, NUK, OILJ, PILJ, PNG, SAZU, SBCE, SBMB, UILJ, UKNU, UL, UM, UPUK
Background
The present interdisciplinary consensus review proposes clinical considerations and recommendations for anaesthetic practice in patients undergoing gastrointestinal surgery with an ...Enhanced Recovery after Surgery (ERAS) programme.
Methods
Studies were selected with particular attention being paid to meta‐analyses, randomized controlled trials and large prospective cohort studies. For each item of the perioperative treatment pathway, available English‐language literature was examined and reviewed. The group reached a consensus recommendation after critical appraisal of the literature.
Results
This consensus statement demonstrates that anaesthesiologists control several preoperative, intraoperative and postoperative ERAS elements. Further research is needed to verify the strength of these recommendations.
Conclusions
Based on the evidence available for each element of perioperative care pathways, the Enhanced Recovery After Surgery (ERAS ®) Society presents a comprehensive consensus review, clinical considerations and recommendations for anaesthesia care in patients undergoing gastrointestinal surgery within an ERAS programme. This unified protocol facilitates involvement of anaesthesiologists in the implementation of the ERAS programmes and allows for comparison between centres and it eventually might facilitate the design of multi‐institutional prospective and adequately powered randomized trials.
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BFBNIB, DOBA, FZAB, GIS, IJS, IZUM, KILJ, NLZOH, NUK, OILJ, PILJ, PNG, SAZU, SBCE, SBMB, UILJ, UKNU, UL, UM, UPUK
This study compares the miscarriage rate of pregnancies after trans-myometrial eggs retrieval to transvaginal eggs retrieval.
In the period between January 2004 and December 2020, 13,323 egg ...retrievals were carried out. In 699 cases, the ovaries were unreachable. Alternative maneuvers were performed to solve this problem, but despite this, in 132 patients the technique of trans-myometrial sampling had to be used. 26 patients were excluded from the study, because of the inclusion criteria, and therefore two groups of 106 patients were selected, Group A and Group B (control).
In the comparison between the two groups, there were no statistically significant differences in abortion rates, pregnancy rates and complications after the technique.
This study shows that the abortion rate in trans-myometrial oocyte retrieval does not change when compared to classic retrieval, despite the sampling needle completely crossing the myometrium. Furthermore, the pregnancy rate and the complication rate do not appear to have worsened with this technique.
Background
Intraoperative goal‐directed therapy (GDT) was introduced to titrate intravenous fluids, with or without inotropic drugs, based on objective measures of hypovolaemia and cardiac output ...measurements to improve organ perfusion. This meta‐analysis aimed to determine the effect of GDT on the recovery of bowel function after abdominal surgery.
Methods
MEDLINE, Embase, the Cochrane Library and PubMed databases were searched for randomized clinical trials and cohort studies, from January 1989 to June 2013, that compared patients who did, or did not, receive intraoperative GDT, and reported outcomes on the recovery of bowel function. Time to first flatus and first bowel motion, time to tolerate oral diet, postoperative nausea and vomiting, and primary postoperative ileus were included.
Results
Thirteen trials with 1399 patients were included in the analysis. GDT shortened the time to the first bowel motion (weighted mean difference (WMD −0·67, 95 per cent c.i. −1·23 to −0·11; P = 0·020) and time to tolerate oral intake (WMD −0·95, −1·81 to −0·10; P = 0·030), and reduced postoperative nausea and vomiting (risk difference −0·15, −0·26 to −0·03; P = 0·010). When only high‐quality studies were included, GDT reduced only the time to tolerate oral intake (WMD −1·18, −2·03 to −0·33; P = 0·006). GDT was more effective outside enhanced recovery programmes and in patients undergoing colorectal surgery.
Conclusion
GDT facilitated the recovery of bowel function, particularly in patients not treated within enhanced recovery programmes and in those undergoing colorectal operations.
Facilitates bowel recovery
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BFBNIB, FZAB, GIS, IJS, KILJ, NLZOH, NUK, OILJ, SAZU, SBCE, SBMB, UL, UM, UPUK
Frozen-thawed embryo transfer (FET) cycles require the use of luteal phase support (LPS) for supporting implantation, endometrial and embryo maturity. Individualized LPS should be chosen according to ...the used endometrial preparation protocol. The aim of the study was to analyze the effectiveness of two different vaginal Progesterone doses for women who underwent FET cycle and the same endometrial preparation without using the GnRh analogue.
607 women who underwent FET cycle were included in the study. 305 patients received luteal support with 600 mg/day vaginal Progesterone and 302 patients were treated with 800 mg/day of vaginal Progesterone.
In the 800 mg/day group, the mean serum Progesterone concentration on the day of embryo transfer was higher than in the 600 mg group (14.00±6.18 ng/mL and 12.22±5.39, respectively, p < 0.001). Moreover, human chorionic gonadotrophin (hCG) positive and ongoing pregnancy rates were higher in the group of patients who received LPS with 800 mg/day of Progesterone than in the group of patients treated with 600 mg/day of Progesterone. CONCLUSIONS: In patients undergoing FET cycles following endometrial preparation made without previously using the GnRh analogue, 800 mg doses of vaginal Progesterone as LPS improve reproductive outcomes.
Challenging tasks such as lesion segmentation, classification, and analysis for the assessment of disease progression can be automatically achieved using deep learning (DL)-based algorithms. DL ...techniques such as 3D convolutional neural networks are trained using heterogeneous volumetric imaging data such as MRI, CT, and PET, among others. However, DL-based methods are usually only applicable in the presence of the desired number of inputs. In the absence of one of the required inputs, the method cannot be used. By implementing a generative adversarial network (GAN), we aim to apply multi-label automatic segmentation of brain tumors to synthetic images when not all inputs are present. The implemented GAN is based on the Pix2Pix architecture and has been extended to a 3D framework named Pix2PixNIfTI. For this study, 1,251 patients of the BraTS2021 dataset comprising sequences such as T
w, T
w, T
CE, and FLAIR images equipped with respective multi-label segmentation were used. This dataset was used for training the Pix2PixNIfTI model for generating synthetic MRI images of all the image contrasts. The segmentation model, namely DeepMedic, was trained in a five-fold cross-validation manner for brain tumor segmentation and tested using the original inputs as the gold standard. The inference of trained segmentation models was later applied to synthetic images replacing missing input, in combination with other original images to identify the efficacy of generated images in achieving multi-class segmentation. For the multi-class segmentation using synthetic data or lesser inputs, the dice scores were observed to be significantly reduced but remained similar in range for the whole tumor when compared with evaluated original image segmentation (e.g. mean dice of synthetic T
w prediction NC, 0.74 ± 0.30; ED, 0.81 ± 0.15; CET, 0.84 ± 0.21; WT, 0.90 ± 0.08). A standard paired
-tests with multiple comparison correction were performed to assess the difference between all regions (
< 0.05). The study concludes that the use of Pix2PixNIfTI allows us to segment brain tumors when one input image is missing.
Vitamin D (VitD) is a secosteroid hormone showing both antiproliferative and immunomodulatory effects. Its involvement in placental steroidogenesis and endometrial decidualization even plays a role ...in other gynecological functions, including assisted reproductive technology (ART). However, controversial data have been reported on its implication in pregnancy outcomes during In Vitro Fertilization (IVF) programs. In order to elucidate the VitD role in ART success, we evaluated serum and follicular fluid (FF) VitD levels in infertile women concerning the pregnancy rate.
In our IVF center, 446 patients, under the age of 42 years old, were evaluated in the period between January 2018 and December 2019. It is here important to clarify that, in order to respect the exclusion criteria, only 103 of them were enrolled for the study concerning the VitD evaluation in serum and follicular fluid at the time of the egg retrieval. This took place both in 34 pregnant patients (Group 1) and 69 non-pregnant ones (Group 2). Furthermore, the collection of these data gave us the opportunity to assess a possible correlation between the VitD levels and the achievement of pregnancy in the performed IVF cycles.
The studied group included 103 eligible women. The average age for Group 1 was 33.12 ± 3.72 yrs whereas 33.72+3.99 yrs (p=0.467) for Group 2. The main differences were observed concerning follicle numbers of 17-21 mm (p=0.0043), the number of retrieved oocytes (p=0.0207), as well as the number of mature oocytes (p=0.0233) among the different groups. Different reference ranges, established according to the pregnancy outcomes, revealed that pregnant women with >36 yrs showed significantly higher levels of VitD.
Increased serum and FF-VitD levels in women undergoing IVF with age ≥36 yrs, were significantly associated with a favorable outcome to achieve and carry on with the pregnancy.
This study was undertaken to determine the impact of an intrathecal mixture of bupivacaine and morphine, when compared with systemic morphine, on the quality of postoperative analgesia and other ...outcomes in the context of the enhanced recovery after surgery (ERAS) programme for laparoscopic colonic resection.
Fifty patients undergoing general anaesthesia were randomly allocated to receive either a spinal mixture of bupivacaine and morphine followed by oral oxycodone (spinal group) or patient-controlled analgesia (PCA group). The primary outcome was consumption of opioids during the first three postoperative days. Secondary outcomes were pain scores, return of bowel function and dietary intake, readiness to hospital discharge, and length of hospital stay.
Postoperative opioid consumption in the spinal group was significantly less over the first three postoperative days (P<0.001). The quality of analgesia at rest in the first 24 h was better in the spinal group (P<0.005). Excessive sedation and respiratory depression were reported in two elderly patients with spinal analgesia. There were no differences between the two groups in other outcomes (return of bowel function and dietary intake, readiness to hospital discharge, and length of hospital stay).
When ERAS programme is used for laparoscopic colonic resection, an intrathecal mixture of bupivacaine and morphine was associated with less postoperative opioid consumption, but has no other advantages over systemic opioids.
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GEOZS, IJS, IMTLJ, KILJ, KISLJ, NLZOH, NUK, OILJ, PNG, SAZU, SBCE, SBJE, UILJ, UL, UM, UPCLJ, UPUK, ZAGLJ, ZRSKP
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