What is the association of preoperative biopsy with recurrence and survival in retroperitoneal sarcoma? A systematic review by the Australia and New Zealand Sarcoma Association clinical practice guidelines working party

Preoperative biopsy for retroperitoneal sarcoma (RPS) enables appropriate multidisciplinary treatment planning. A systematic review of literature from 1990 to June 2022 was conducted using the population, intervention, comparison and outcome model to evaluate the local recurrence and overall survival of preoperative biopsy compared to those that had not. Of 3192 studies screened, five retrospective cohort studies were identified. Three reported on biopsy needle tract seeding, with only one study reporting biopsy site recurrence of 2 %. Two found no significant difference in local recurrence and one found higher 5-year local recurrence rates in those who had not been biopsied. Three studies reported overall survival, including one with propensity matching, did not show a difference in overall survival. In conclusion, preoperative core needle biopsy of RPS is not associated with increased local recurrence or adverse survival outcomes.

Comparative validation of automated presurgical tractography based on constrained spherical deconvolution and diffusion tensor imaging with direct electrical stimulation

OBJECTIVES

Accurate presurgical brain mapping enables preoperative risk assessment and intraoperative guidance. This cross-sectional study investigated whether constrained spherical deconvolution (CSD) methods were more accurate than diffusion tensor imaging (DTI)-based methods for presurgical white matter mapping using intraoperative direct electrical stimulation (DES) as the ground truth.

METHODS

Five different tractography methods were compared (three DTI-based and two CSD-based) in 22 preoperative neurosurgical patients undergoing surgery with DES mapping. The corticospinal tract (CST, N = 20) and arcuate fasciculus (AF, N = 7) bundles were reconstructed, then minimum distances between tractograms and DES coordinates were compared between tractography methods. Receiver-operating characteristic (ROC) curves were used for both bundles. For the CST, binary agreement, linear modeling, and posthoc testing were used to compare tractography methods while correcting for relative lesion and bundle volumes.

RESULTS

Distance measures between 154 positive (functional response, pDES) and negative (no response, nDES) coordinates, and 134 tractograms resulted in 860 data points. Higher agreement was found between pDES coordinates and CSD-based compared to DTI-based tractograms. ROC curves showed overall higher sensitivity at shorter distance cutoffs for CSD (8.5 mm) compared to DTI (14.5 mm). CSD-based CST tractograms showed significantly higher agreement with pDES, which was confirmed by linear modeling and posthoc tests (PFWE < .05).

CONCLUSIONS

CSD-based CST tractograms were more accurate than DTI-based ones when validated using DES-based assessment of motor and sensory function. This demonstrates the potential benefits of structural mapping using CSD in clinical practice.

[Polypharmacy and medication review in the context of prehabilitation]

Against the background of typical geriatric multimorbidity and with the particular vulnerability of geriatric patients, polypharmacy deserves special attention. In accordance with the guidelines, medication should not only be reviewed regularly, but also on an ad hoc basis and with each hospital stay-and also in the context of prehabilitation. Thus, not only substances that interfere with the currently planned intervention, anesthesia, or risk of bleeding should be considered, but any medication that increases common risks for geriatric patients. These include drugs that cause or increase a tendency to fall, induce delirium, or alter the comedication through potential drug-drug interactions. Measures to minimize the risk include the following: exact documentation of medications, structured and complete transfer of information, patient and family training about any side effects that may occur, a recall system for possible laboratory checks, and compliance with the instructions for taking the medication.

Preoperative Management of Gastrointestinal and Pulmonary Medications: Society for Perioperative Assessment and Quality Improvement (SPAQI) Consensus Statement

Perioperative medication management is integral to preoperative optimization but remains challenging because of a paucity of literature guidance. Published recommendations are based on the expert opinion of a small number of authors without collaboration from multiple specialties. The Society for Perioperative Assessment and Quality Improvement (SPAQI) recognized the need for consensus recommendations in this area as well as the unique opportunity for its multidisciplinary membership to fill this void. In a series of articles within this journal, SPAQI provides preoperative medication management guidance based on available literature and expert multidisciplinary consensus. The aim of this consensus statement is to provide practical guidance on the preoperative management of gastrointestinal and pulmonary medications. A panel of experts with anesthesiology, perioperative medicine, hospital medicine, general internal medicine, and medical specialty experience was drawn together and identified the common medications in each of these categories. The authors then used a modified Delphi approach to review the literature and to generate consensus recommendations.

Comparison of non-invasive imaging modalities in presurgical evaluation of temporal lobe epilepsy patients: a multicenter study

Intractable drug-resistant magnetic resonance imaging (MRI) negative epilepsy in one of the complicated issues in neurology. Epilepsy surgery is beneficial treatment of intractable seizures, but precise localization of epileptogenic zone is a major concern. Thirty-four MRI negative drug-resistant epilepsy patients underwent video electroencephalography (EEG), positron emission tomography (PET) scan, and voxel-based morphometry (VBM) MRI from 2014 to 2019. Then, the findings of PET scan and VBM were compared with semiology and long-term electrophysiology. Cohen's kappa-coefficient (k) test was utilized to measure the agreement between our modalities. Among 34 patients with age ranging from 8 to 49 (mean: 29.00 ± standard deviation: 10.35), 19 were male (55.9%) and 15 were female (44.1%). Twenty-one patients (61.76%) had right temporal, 12 patients (35.3%) had left and one patient had bilateral temporal ictal focus according to video EEG. Inter-rater agreement analysis showed that the kappa index between video EEG and PET scan was of almost acceptable (more than 0.4) and there was poor agreement between video EEG and VBM (kappa index = 0.099). PET is highly concordant with video EEG in temporal lobe epilepsy (TLE) and has a considerable agreement in localizing epileptogenic zone while VBM is less.

Diagnostic Performance of the Caprini Risk Assessment Model Combined With D-Dimer for Preoperative Deep Vein Thrombosis in Patients With Thoracolumbar Fractures Caused by High-Energy Injuries

OBJECTIVE

To assess the validity of the Caprini risk assessment model (RAM) in risk stratification for deep vein thrombosis (DVT) and to investigate the diagnostic value of Caprini score combined with D-dimer in predicting DVT.

METHODS

This study involved 429 patients with thoracolumbar fractures caused by high-energy injuries between October 2016 and November 2019. All patients were treated surgically and had a mean age of 45.3 ± 11.4 years. Patients were risk-stratified using the 2013 Caprini RAM. Mechanical and chemical prophylaxis were used for DVT. Duplex ultrasound of both lower extremities was performed before surgery.

RESULTS

Of the 429 patients, 62 (14.45%) developed DVT. The incidence of preoperative DVT was correlated with Caprini score according to risk stratification(χ² = 117.4, P < 0.001). Based on the original Caprini RAM, all the patients scored in the highest risk category (score ≥5). Further substratification showed that the majority (277 of 429, 64.57%) of the patients were in the Caprini score range 7-8 and the risk of preoperative DVT was significantly higher among patients with Caprini score >10. The area under the receiver operating characteristic curve of Caprini score and D-dimer was 0.816 and 0.769 when Caprini score >8 or D-dimer >1.81mg/L was considered the criterion of predicting the risk of DVT. When combining the 2 variables, the area under the ROC curve can increase to 0.846.

CONCLUSIONS

The Caprini RAM is an effective and reliable DVT risk stratification tool in patients with thoracolumbar fractures caused by high-energy injuries. Caprini score >8 or D-dimer >1.81 mg/L may predict the occurrence of preoperative DVT and the Caprini score combined with D-dimer exhibit better diagnostic performance.

Clinical practice guideline: evidence, recommendations and algorithm for the preoperative optimization of anemia, hyperglycemia and smoking

Preoperative optimization has not been explored comprehensively in the surgical literature, as this responsibility has often been divided among surgery, anesthesia and medicine. We developed an evidence-based clinical practice guideline to summarize existing evidence and present diagnostic and treatment algorithms for use by surgeons caring for patients scheduled to undergo major elective surgery. We focus on 3 common comorbid conditions seen across surgical specialties - anemia, hyperglycemia and smoking - as these conditions increase complication rates in patients undergoing major surgery and can be optimized successfully as soon as 6-8 weeks before surgery. With the ability to address these conditions earlier in the patient journey, surgeons can positively affect patient outcomes. The aim of this guideline is to bring optimization in the preoperative period under the existing umbrella of evidence-based surgical care.

Rethinking the routine: Preoperative laboratory testing among American Society of Anesthesiologists class 1 and 2 patients before low-risk ambulatory surgery in the 2017 National Surgical Quality Improvement Program cohort

BACKGROUND

Routine preoperative laboratory testing is not recommended for American Society of Anesthesiologists classification 1 or 2 patients before low-risk ambulatory surgery.

METHODS

The 2017 National Surgical Quality Improvement Program data set was retrospectively queried for American Society of Anesthesiologists class 1 and 2 patients who underwent low-risk, elective outpatient anorectal, breast, endocrine, gynecologic, hernia, otolaryngology, oral-maxillofacial, orthopedic, plastic/reconstructive, urologic, and vascular operations. Preoperative laboratory testing was defined as any chemistry, hematology, coagulation, or liver function studies obtained ≤30 days preoperatively. Demographics, comorbidities, and outcomes were compared between those with and without testing. The numbers needed to test to prevent serious morbidity or any complication were calculated. Laboratory testing costs were estimated using Centers for Medicare and Medicaid Services data.

RESULTS

Of 111,589 patients studied, 57,590 (51.6%) received preoperative laboratory testing; 26,709 (46.4%) had at least 1 abnormal result. Factors associated with receiving preoperative laboratory testing included increasing age, female sex, non-White race/ethnicity, American Society of Anesthesiologists class 2, diabetes, dyspnea, hypertension, obesity, and steroid use. Mortality did not differ between patients with and without testing. The complication rate was 2.5% among tested patients and 1.7% among patients without tests (P < .01). The numbers needed to test was 599 for serious morbidity and 133 for any complication. An estimated $373 million annually is spent on preoperative laboratory testing in this population.

CONCLUSION

Despite American Society of Anesthesiologists guidelines, a majority of American Society of Anesthesiologists class 1 and 2 patients undergo preoperative laboratory testing before elective low-risk outpatient surgery. The differences in the rates of complications between patients with and without testing is low. Preoperative testing should be used more judiciously in this population, which may lead to cost savings.

"The Worst Is the Worry": Importance of Preoperative Preparation of Preschool Children

Children often experience a high level of anxiety before anesthesia, which may lead to poor cooperation during anesthesia induction and negative consequences for the postoperative period. The aim of this study was to obtain knowledge that may improve practice in preparing preschoolers for anesthesia and surgery by analyzing nurse anesthetists' preoperative experiences with children. A focus group interview with nurse anesthetists was conducted. The interview was recorded and transcribed verbatim, and results were analyzed using qualitative text analysis. Three main themes were identified to relieve preschoolers' anxiety: "Making the unknown and scary harmless," "Using oneself," and "Having a lap to sit on." Findings indicate that explanation and preparation through play, as well as experiences of participation and coping, can safeguard children who are feeling anxious. The professional and personal qualities of a Certified Registered Nurse Anesthetist (CRNA) are important when managing pediatric patients' anxiety. It is essential that CRNAs have the ability to adapt the induction of anesthesia to suit the child individually (and parents). The parents constitute an important collaborator for CRNAs. Young children need explanations and knowledge about what is happening and what to expect. CRNAs should focus on codetermination and participation for preschool children undergoing anesthesia.

Adherence to the European Society of Cardiology/European Society of Anaesthesiology recommendations on preoperative cardiac testing and association with positive results and cardiac events: a cohort study

BACKGROUND

European Society of Cardiology/European Society of Anaesthesiology (ESC/ESA) guidelines inform cardiac workup before noncardiac surgery based on an algorithm. Our primary hypotheses were that there would be associations between (i) the groups stratified according to the algorithms and major adverse cardiac events (MACE), and (ii) over- and underuse of cardiac testing and MACE.

METHODS

This is a secondary analysis of a multicentre prospective cohort. Major adverse cardiac events were a composite of cardiac death, myocardial infarction, acute heart failure, and life-threatening arrhythmia at 30 days. For each cardiac test, pathological findings were defined a priori. We used multivariable logistic regression to measure associations.

RESULTS

We registered 359 MACE at 30 days amongst 6976 patients; classification in a higher-risk group using the ESC/ESA algorithm was associated with 30-day MACE; however, discrimination of the ESC/ESA algorithms for 30-day MACE was modest; area under the curve 0.64 (95% confidence interval: 0.61-0.67). After adjustment for sex, age, and ASA physical status, discrimination was 0.72 (0.70-0.75). Overuse or underuse of cardiac tests were not consistently associated with MACE. There was no independent association between test recommendation class and pathological findings (P=0.14 for stress imaging; P=0.35 for transthoracic echocardiography; P=0.52 for coronary angiography).

CONCLUSIONS

Discrimination for MACE using the ESC/ESA guidelines algorithms was limited. Overuse or underuse of cardiac tests was not consistently associated with cardiovascular events. The recommendation class of preoperative cardiac tests did not influence their yield.

CLINICAL TRIAL REGISTRATION

NCT02573532.

A predictive score of inadequate bowel preparation based on a self-administered questionnaire: PREPA-CO

INTRODUCTION

Inadequate bowel preparation before colonoscopy has a 20-30% rate and impedes on the quality of the procedure. The aim of this study was to develop a predictive score of inadequate bowel preparation, using a patient questionnaire on potential risk factors.

METHODS

In this single center study, consecutive patients with colonoscopy indication were enrolled. The primary outcome was inadequate bowel preparation defined by Boston Bowel Preparation Scale (BBPS) score <7 or a score ≤1 in any of the 3 colonic segments.

RESULTS

A total of 561 patients were included. Inadequate bowel preparation was seen in 25.0% of cases. Seven risk factors were selected into the prediction model of inadequate bowel preparation: diabetes or obesity, irregular physical activity, cirrhosis, use of antidepressants or neuroleptics, use of opiate medication, history of surgery and history of inadequate bowel preparation. The risk score, named PREPA-CO, had an AUROC of 0.621, adequately predicted bowel cleanliness in 68.3% of cases, with a specificity of 75.8% and a negative predictive value of 80.8%.

CONCLUSION

We developed a predictive score named "Prepa-Co", allowing the identification of patients at high risk of inadequate bowel preparation. In clinical practice, this score could help tailor the prescription of the preparation to the patient.

Preoperative Management of Endocrine, Hormonal, and Urologic Medications: Society for Perioperative Assessment and Quality Improvement (SPAQI) Consensus Statement

Perioperative medical management is challenging due to the rising complexity of patients presenting for surgical procedures. A key part of preoperative optimization is appropriate management of long-term medications, yet guidelines and consensus statements for perioperative medication management are lacking. Available resources utilize the recommendations derived from individual studies and do not include a multidisciplinary focus or formal consensus. The Society for Perioperative Assessment and Quality Improvement (SPAQI) identified a lack of authoritative clinical guidance as an opportunity to utilize its multidisciplinary membership to improve evidence-based perioperative care. SPAQI seeks to provide guidance on perioperative medication management that synthesizes available literature with expert consensus. The aim of this Consensus Statement is to provide practical guidance on the preoperative management of endocrine, hormonal, and urologic medications. A panel of experts with anesthesiology, perioperative medicine, hospital medicine, general internal medicine, and medical specialty experience was drawn together and identified the common medications in each of these categories. The authors then utilized a modified Delphi approach to critically review the literature and generate consensus recommendations.

Development and Implementation of Preoperative Optimization for High-Risk Patients With Abdominal Wall Hernia

IMPORTANCE

Real-world surgical practice often lags behind the best scientific evidence. For example, although optimizing comorbidities such as smoking and morbid obesity before ventral and incisional hernia repair improves outcomes, as many as 25% of these patients have a high-risk characteristic at the time of surgery. Implementation strategies may effectively increase use of evidence-based practice.

OBJECTIVE

To describe current trends in preoperative optimization among patients undergoing ventral hernia repair, identify barriers to optimization, develop interventions to address these barriers, and then pilot these interventions.

DESIGN, SETTING, AND PARTICIPANTS

This quality improvement study used a retrospective medical record review to identify hospital-level trends in preoperative optimization among patients undergoing ventral and incisional hernia repair. Semistructured interviews with 21 practicing surgeons were conducted to elicit barriers to optimizing high-risk patients before surgery. Next, a task force of experts was convened to develop pragmatic interventions to increase surgeon use of preoperative optimization. Finally, these interventions were piloted at 2 sites to assess acceptability and feasibility. This study was performed from January 1, 2014, to December 31, 2019.

MAIN OUTCOMES AND MEASURES

The main outcome was rate of referrals for preoperative patient optimization at the 2 pilot sites.

RESULTS

Among 23 000 patients undergoing ventral hernia repair, the mean (SD) age was 53.9 (14.3) years, and 12 315 (53.5%) were men. Of these, 8786 patients (38.2%) had at least 1 high-risk characteristic at the time of surgery, including 7683 with 1, 1079 with 2, and 24 with 3. At the hospital level, the mean proportion of patients with at least 1 of 3 high-risk characteristics at the time of surgery was 38.2% (95% CI, 38.1%-38.3%). This proportion varied widely from 21.5% (95% CI, 17.6%-25.5%) to 52.8% (95% CI, 43.9%-61.8%) across hospitals. Interviews with surgeons identified 3 major barriers to improving this practice: lost financial opportunity by not offering a patient an operation, lack of surgeon awareness of available resources for optimization, and organizational barriers. A task force therefore developed 3 interventions: a financial incentive to optimize high-risk patients, an educational intervention to make surgeons aware of available optimization resources, and on-site facilitation. These strategies were piloted at 2 sites where preoperative risk optimization referrals increased 860%.

CONCLUSIONS AND RELEVANCE

This study demonstrates a stepwise process of identifying a practice gap, eliciting barriers that contribute to this gap, using expert consensus and local resources to develop strategies to address these barriers, and piloting these strategies. This implementation strategy can be adopted to diverse settings given that it relies on developing and implementing strategies based on local practice patterns.

Development and Implementation of Preoperative Optimization for High-Risk Patients With Abdominal Wall Hernia

IMPORTANCE

Real-world surgical practice often lags behind the best scientific evidence. For example, although optimizing comorbidities such as smoking and morbid obesity before ventral and incisional hernia repair improves outcomes, as many as 25% of these patients have a high-risk characteristic at the time of surgery. Implementation strategies may effectively increase use of evidence-based practice.

OBJECTIVE

To describe current trends in preoperative optimization among patients undergoing ventral hernia repair, identify barriers to optimization, develop interventions to address these barriers, and then pilot these interventions.

DESIGN, SETTING, AND PARTICIPANTS

This quality improvement study used a retrospective medical record review to identify hospital-level trends in preoperative optimization among patients undergoing ventral and incisional hernia repair. Semistructured interviews with 21 practicing surgeons were conducted to elicit barriers to optimizing high-risk patients before surgery. Next, a task force of experts was convened to develop pragmatic interventions to increase surgeon use of preoperative optimization. Finally, these interventions were piloted at 2 sites to assess acceptability and feasibility. This study was performed from January 1, 2014, to December 31, 2019.

MAIN OUTCOMES AND MEASURES

The main outcome was rate of referrals for preoperative patient optimization at the 2 pilot sites.

RESULTS

Among 23 000 patients undergoing ventral hernia repair, the mean (SD) age was 53.9 (14.3) years, and 12 315 (53.5%) were men. Of these, 8786 patients (38.2%) had at least 1 high-risk characteristic at the time of surgery, including 7683 with 1, 1079 with 2, and 24 with 3. At the hospital level, the mean proportion of patients with at least 1 of 3 high-risk characteristics at the time of surgery was 38.2% (95% CI, 38.1%-38.3%). This proportion varied widely from 21.5% (95% CI, 17.6%-25.5%) to 52.8% (95% CI, 43.9%-61.8%) across hospitals. Interviews with surgeons identified 3 major barriers to improving this practice: lost financial opportunity by not offering a patient an operation, lack of surgeon awareness of available resources for optimization, and organizational barriers. A task force therefore developed 3 interventions: a financial incentive to optimize high-risk patients, an educational intervention to make surgeons aware of available optimization resources, and on-site facilitation. These strategies were piloted at 2 sites where preoperative risk optimization referrals increased 860%.

CONCLUSIONS AND RELEVANCE

This study demonstrates a stepwise process of identifying a practice gap, eliciting barriers that contribute to this gap, using expert consensus and local resources to develop strategies to address these barriers, and piloting these strategies. This implementation strategy can be adopted to diverse settings given that it relies on developing and implementing strategies based on local practice patterns.

Preoperative Management of Opioid and Nonopioid Analgesics: Society for Perioperative Assessment and Quality Improvement (SPAQI) Consensus Statement

There is a lack of guidelines for preoperative dosing of opioid and nonopioid pain medications for surgical patients, which can lead to suboptimal preoperative pain control. The Society for Perioperative Assessment and Quality Improvement identified preoperative dosing of opioid and nonopioid analgesics as an area in which consensus could improve patient care. The aim of this guideline is to provide consensus that will allow perioperative physicians to make optimal recommendations regarding preoperative pain medication dosing. Six categories of pain medications were identified: opioid agonists, opioid antagonists, opioid agonist-antagonists, acetaminophen, muscle relaxants, and triptans/headache medications. We then used a Delphi survey technique to develop consensus recommendations for preoperative dosing of individual medications in each of these groups.

Preoperative Management of Surgical Patients Using Dietary Supplements: Society for Perioperative Assessment and Quality Improvement (SPAQI) Consensus Statement

The widespread use of complementary products poses a challenge to clinicians in the perioperative period and may increase perioperative risk. Because dietary supplements are regulated differently from traditional pharmaceuticals and guidance is often lacking, the Society for Perioperative Assessment and Quality Improvement convened a group of experts to review available literature and create a set of consensus recommendations for the perioperative management of these supplements. Using a modified Delphi method, the authors developed recommendations for perioperative management of 83 dietary supplements. We have made our recommendations to discontinue or continue a dietary supplement based on the principle that without a demonstrated benefit, or with a demonstrated lack of harm, there is little downside in temporarily discontinuing an herbal supplement before surgery. Discussion with patients in the preoperative visit is a crucial time to educate patients as well as gather vital information. Patients should be specifically asked about use of dietary supplements and cannabinoids, as many will not volunteer this information. The preoperative clinic visit provides the best opportunity to educate patients about the perioperative management of various supplements as this visit is typically scheduled at least 2 weeks before the planned procedure.

Pre-operative echocardiograms in acute fragility hip fractures: How effective are the guidelines?

ABSTRACT

In 2014, the American College of Cardiology/American Heart Association (ACC/AHA) released guidelines for ordering pre-operative echocardiograms in patients undergoing non-cardiac surgery. The purpose of this study is to determine if pre-operative echocardiograms ordered prior to fragility hip fracture repair are ordered according to these guidelines, change anesthetic management or affect patient outcomes. In addition, we attempted to evaluate the efficacy of the ACC/AHA guidelines.We conducted a 4-year retrospective chart review of acute fragility hip fractures at a single institution. Charts were reviewed to determine which patients met criteria for a pre-operative echocardiogram. Within this group we then compared patients who received a pre-operative echocardiogram to those who did not. Comparisons were made with regard to time to surgery, changes from standard anesthetic management, major adverse cardiac events, length of hospital stay, and 1-year mortality. We also examined which patients received postoperative echocardiograms and the incidence of adverse cardiac events in this group.Of 402 patients, 87 (22%) had ACC/AHA indications for pre-operative echocardiogram, and 42 (48%) of them received one. The indication to order a pre-operative echocardiogram in stable heart failure or valve disease patients if their last echo was greater than 1 year was only followed 23% of the time. In the pre-operative echocardiogram group, anesthetic management was adjusted more frequently (P = .025), and average time to surgery was greater (P < .001). The incidence of a major adverse cardiac event was 10% in the ACC/AHA echocardiogram indicated group and 3% in the non-indicated echocardiogram group. An equal number of echocardiograms were completed postoperatively as were completed under ACC/AHA pre-operative guidelines. Sixty-seven percent of the postoperative echocardiograms did not have ACC/AHA pre-operative indications.Our data demonstrates that pre-operative echocardiograms for "stable heart failure and valvular disease with greater than 1 year from last echocardiogram" is infrequently performed without significant adverse cardiac outcomes. Pre-operative echocardiography was associated with more anesthetic adjustments and longer time to surgery. Postoperative echocardiograms were done for cardiopulmonary complications. Studies need to examine and refine clinical parameters that would improve the selection of patients who would benefit from pre-operative echocardiograms.

The Impact of Surgeon Adherence to Preoperative Optimization of Hernia Repairs

BACKGROUND

At the patient level, optimizing risk factors before surgery is a proven approach to improve patient outcomes after hernia repair. However, nearly 25% of patients are not adequately optimized before surgery. It is currently unknown how surgeon-level adherence to preoperative optimization impacts postoperative outcomes. In this context, we evaluated the association between surgeon adherence to optimization practices and surgeon-level postoperative outcomes.

MATERIALS AND METHODS

Michigan Surgical Quality Collaborative data from 2014 to 2018 was analyzed to examine rates of surgeon adherence to preoperative optimization when performing elective ventral and incisional hernia repair. Adherence was defined as operating on patients who were nontobacco users with a body mass index >18.5 kg/m2 and <40 kg/m2. Surgeons were assigned a risk- and reliability-adjusted adherence rate which was used to divide surgeons into tertiles. Outcomes were compared between adherence tertiles.

RESULTS

Across 70 hospitals in Michigan, 15,016 patients underwent ventral and incisional hernia repair, cared for by 454 surgeons. Surgeon adherence to preoperative optimization ranged from 51% to 76%. Surgeons in the lowest optimization tertile had higher rates of emergency department visits (8.78% versus 7.05% versus 7.03%, P < 0.001), serious complications (2.12% versus 1.56% versus 1.84%, P = 0.041), and any complication (4.08% versus 3.37% versus 4.04%, P = 0.043), than middle and high optimization tertiles.

CONCLUSIONS

Surgeons' clinical outcomes, including complication rates, are affected by the proportion of their patients who are preoperatively optimized with regard to obesity and tobacco use. These results suggest that surgeons can improve their postoperative outcomes by addressing these issues before surgery.

Experience of clinical screening for COVID-19 among patients undergoing elective orthopedic surgeries: an alternative proposal

BACKGROUND

The coronavirus disease 2019 (COVID-19) pandemic is the largest global event in recent times, with millions of infected people and hundreds of thousands of deaths worldwide. Colombia has also been affected by the pandemic, including by the cancellation of medically necessary surgical procedures that were categorized as nonessential. The objective of this study was to show the results of the program implemented in two institutions in Bogotá, Colombia, in April 2020 to support the performance of elective essential and nonessential low- and medium-complexity orthopedic surgeries during the mitigation phase of the COVID-19 pandemic, which involved a presurgical clinical protocol without serological or molecular testing.

METHODS

This was a multicenter, observational, retrospective, descriptive study of a cohort of patients who underwent elective orthopedic surgery at two institutions in the city of Bogota, Colombia, in April 2020. We implemented a preoperative clinical protocol that did not involve serological or molecular tests; the protocol consisted of a physical examination, a survey of symptoms and contact with confirmed or suspected cases, and presurgical isolation. We recorded the types of surgeries, the patients' scores on the medically necessary, time-sensitive (MeNTs) scale, the presence of signs, symptoms, and mortality associated with COVID-19 developed after the operation.

RESULTS

A total of 179 patients underwent orthopedic surgery. The average age was 47 years (Shapiro-Wilk, P = 0.021), and the range was between 18 and 81 years. There was a female predominance (61.5%). With regard to the types of surgeries, 86 (48%) were knee operations, 42 (23.5%) were hand surgeries, 34 (19%) were shoulder surgeries, and 17 (9.5%) were foot and ankle surgeries. The average MeNTs score was 44.6 points. During the 2 weeks after surgery, four patients were suspected of having COVID-19 because they developed at least two symptoms associated with the disease. The incidence of COVID-19 in the postoperative period was 2.3%. Two (1.1%) of these four patients visited an emergency department where RT-PCR tests were performed, and they tested negative for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). No patients died or were hospitalized for symptoms of COVID-19.

CONCLUSION

Through the implementation of a presurgical clinical protocol consisting of a physical examination; a clinical survey inquiring about signs, symptoms, and epidemiological contact with suspected or confirmed cases; and presurgical isolation but not involving the performance of molecular or serological diagnostic tests, positive results were obtained with regard to the performance of low- and medium-complexity elective orthopedic surgeries in an early stage of the COVID-19 pandemic.

LEVEL OF EVIDENCE

IV.

Effects of preoperative, scheduled administration of antiemetics in reducing postoperative nausea and vomiting in patients undergoing total knee arthroplasty

There is no established protocol regarding the timing of administration of antiemetics in patients undergoing total knee arthroplasty (TKA). The purpose of this study was to determine whether preoperative, rather than postoperative administration of an antiemetic could reduce postoperative nausea and vomiting (PONV) in patients undergoing TKA, and whether there was a difference in postoperative pain, patient satisfaction and complications after TKA between the 2 different administration times.The included patients (N = 101) either received intravenous administration of the ramosetron 1 hour before surgery (N = 50) or at the end of surgery (N = 51) consecutively order. The incidence of PONV and the frequency of rescue medicine use were recorded until 48 hours postoperatively. The severity of postoperative pain and patient satisfaction were assessed using the visual analogue scale. The incidence of complications associated with use of antiemetic was assessed.Preoperative administration of ramosetron did not decrease PONV during the first 48 hours. There was no significant difference in the incidence of nausea and vomiting, use of rescue antiemetics, and the severity of nausea (P > .05). Postoperative pain, satisfaction scores, and the incidence of complications were not different between the 2 groups (P > .05).Preoperative administration of ramosetron did not show clinical advantage in reducing POVN, postoperative pain and improving patient satisfaction. However, the outcomes of complications were not inferior to those of postoperative administration. Therefore, under the current protocol of multimodal therapies, timing of administration of pre-emptive antiemetic did not have significant effect on PONV.

Informed Consent for Intraoperative Neural Monitoring in Thyroid and Parathyroid Surgery - Consensus Statement of the International Neural Monitoring Study Group

In the past decade, the use of intraoperative neural monitoring (IONM) in thyroid and parathyroid surgery has been widely accepted by surgeons as a useful technology for improving laryngeal nerve identification and voice outcomes, facilitating neurophysiological research, educating and training surgeons, and reducing surgical complications and malpractice litigation. Informing patients about IONM is not only good practice and helpful in promoting the efficient use of IONM resources but is indispensable for effective shared decision making between the patient and surgeon. The International Neural Monitoring Study Group (INMSG) feels complete discussion of IONM in the preoperative planning and patient consent process is important in all patients undergoing thyroid and parathyroid surgery. The purpose of this publication is to evaluate the impact of IONM on the informed consent process before thyroid and parathyroid surgery and to review the current INMSG consensus on evidence-based consent. The objective of this consensus statement, which outlines general and specific considerations as well as recommended criteria for informed consent for the use of IONM, is to assist surgeons and patients in the processes of informed consent and shared decision making before thyroid and parathyroid surgery.

CSO (Canadian Society of Otolaryngology - Head & Neck Surgery) position paper on rhinologic and skull base surgery during the COVID-19 pandemic

Healthcare services in many countries have been partially or completely disrupted by the Coronavirus (COVID-19) pandemic since its onset in the end of 2019. Amongst the most impacted are the elective medical and surgical services in order to conserve resources to care for COVID-19 patients. As the number of infected patients decrease across Canada, elective surgeries are being restarted in a staged manner. Since Otolaryngologists - Head & Neck Surgeons manage surgical diseases of the upper aerodigestive tract where the highest viral load reside, it is imperative that these surgeries resume in a safe manner. The aim of this document is to compile the current best evidence available and provide expert consensus on the safe restart of rhinologic and skull base surgeries while discussing the pre-operative, intra-operative, and post-operative care and tips. Risk assessment, patient selection, case triage, and pre-operative COVID-19 testing will be analyzed and discussed. These guidelines will also consider the optimal use of personal protective equipment for specific cases, general and specific operative room precautions, and practical tips of intra-operative maneuvers to optimize patient and provider safety. Given that the literature surrounding COVID-19 is rapidly evolving, these recommendations will serve to start our specialty back into elective rhinologic surgeries over the next months and they may change as we learn more about this disease.

Quality indicators of hip fracture management. A systematic review

OBJECTIVE

To identify standards and quality indicators of hip fracture management from the medical literature.

METHODS

We conducted a "systematic review" on the topic of quality indicators of hip fracture management using PubMed database, during 15 years from 2001 to 2015. The collected publications were studied by two readers to extract the different quality indicators of hip fracture management. These indicators were stratified according to their type (process or outcome) and to the time of health care (pre, per or post-operative).

RESULTS

A total of 41 articles were included in the study: The analysis of these articles highlighted a predominance of Anglo-Saxon papers, an increasing rate of publication over time, a dominance of evaluative studies and a multiplicity of guidelines. A total of 46 quality indicators were identified through these articles. Two third were classified as procedural items and 60% were about post-operative hip fracture management. The most assessed indicators and standards, among those related to the preoperative care, were time to surgery (34%) and patient clinical condition assessment (11%). During the operation time, the most assessed indicator was the proportion of patients who have had spinal anesthesia (73%). For the postoperative care, the most common  indicators and standards were length of hospital stay (12%), osteoporosis treatment prescription (8%), mattresses use to prevent pressure ulcer (7%), pressure sores occurring (7%) and in hospital mortality (7%).

CONCLUSION

This systematic review allowed to identify the main indicators recommended to evaluate the management of hip fracture. The continuous monitoring of these indicators should be generalized in maghrebian countries using strategic dashboards in all hospitals and clinics treating this pathology.

Value of 7T MRI and post-processing in patients with nonlesional 3T MRI undergoing epilepsy presurgical evaluation

OBJECTIVE

Ultra-high-field 7-Tesla (7T) magnetic resonance imaging (MRI) offers increased signal-to-noise and contrast-to-noise ratios, which may improve visualization of cortical malformations. We aim to assess the clinical value of in vivo structural 7T MRI and its post-processing for the noninvasive identification of epileptic brain lesions in patients with pharmacoresistant epilepsy and nonlesional 3T MRI who are undergoing presurgical evaluation.

METHODS

Sixty-seven patients were included who had nonlesional 3T MRI by official radiology report. Epilepsy protocols were used for the 3T and 7T acquisitions. Post-processing of the 7T T1-weighted magnetization-prepared two rapid acquisition gradient echoes sequence was performed using the morphometric analysis program (MAP) with comparison to a normal database consisting of 50 healthy controls. Review of 7T was performed by an experienced board-certified neuroradiologist and at the multimodal patient management conference. The clinical significance of 7T findings was assessed based on intracranial electroencephalography (ICEEG) ictal onset, surgery, postoperative seizure outcomes, and histopathology.

RESULTS

Unaided visual review of 7T detected previously unappreciated subtle lesions in 22% (15/67). When aided by 7T MAP, the total yield increased to 43% (29/67). The location of the 7T-identified lesion was identical to or contained within the ICEEG ictal onset in 13 of 16 (81%). Complete resection of the 7T-identified lesion was associated with seizure freedom (P = .03). Histopathology of the 7T-identified lesions encountered mainly focal cortical dysplasia (FCD). 7T MAP yielded 25% more lesions (6/24) than 3T MAP, and showed improved conspicuity in 46% (11/24).

SIGNIFICANCE

Our data suggest a major benefit of 7T with post-processing for detecting subtle FCD lesions for patients with pharmacoresistant epilepsy and nonlesional 3T MRI.

The Preoperative Evaluation of Drug-Resistant Epilepsy

Antiepileptic drugs afford good seizure control for approximately 70% of individuals with epilepsy. Epilepsy surgery is extremely helpful for appropriate individuals with drug resistance. Since antiquity, trephination was a crude and invasive technique to manage epilepsy. The late 1800s saw the advent of a more evidence-based approach with attempts to define seizure foci and determine areas of function. Seizure localization initially required direct brain stimulation during surgery before resection. Fortunately, improved knowledge of seizure semiology and advancements in preoperative investigations have enabled epilepsy specialists to better analyze the benefit of seizure reduction versus risk of functional harm. This preoperative phase and the investigative techniques used to analyze surgical candidacy will be discussed in this article.

Perceived facilitators and barriers among physical therapists and orthopedic surgeons to pre-operative home-based exercise with one exercise-only in patients eligible for knee replacement: A qualitative interview study nested in the QUADX-1 trial

AIM

Clinical guidelines recommend non-surgical treatment before surgery is considered in patients eligible for knee replacement. Surgical treatment is provided by orthopedic surgeons and exercise therapy is provided by physical therapists. The aim of this study was to identify perceived facilitators and barriers-among orthopedic surgeons and physical therapists-towards coordinated non-surgical and surgical treatment of patients eligible for knee replacement using pre-operative home-based exercise therapy with one exercise.

METHODS

This qualitative study is embedded within the QUADX-1 randomized trial that investigates a model of coordinated non-surgical and surgical treatment for patients eligible for knee replacement. Physical therapists and orthopedic surgeons working with patients with knee osteoarthritis in their daily clinical work were interviewed (one focus group and four single interviews) to explore their perceived facilitators and barriers related to pre-operative home-based exercise therapy with one exercise-only in patients eligible for knee replacement. Interviews were analyzed using thematic analysis.

RESULTS

From the thematic analysis three main themes emerged: 1) Physical therapists' dilemma with one home-based exercise, 2) Orthopedic surgeons' dilemma with exercise, and 3) Coordinated non-surgical and surgical care.

CONCLUSION

We found that the pre-operative exercise intervention created ambivalence in the professional role of both the physical therapists and orthopedic surgeons. The physical therapists were skeptical towards over-simplified exercise therapy. The orthopedic surgeons were skeptical towards the potential lack of (long-term) effect of exercise therapy in patients eligible for knee replacement. The consequence of these barriers and ambivalence in the professional role is important to consider when planning implementation of the model of coordinated non-surgical and surgical treatment.

TRIAL REGISTRATION

ClinicalTrials.gov, ID: NCT02931058.

Association of Pretreatment With P2Y12 Receptor Antagonists Preceding Percutaneous Coronary Intervention in Non-ST-Segment Elevation Acute Coronary Syndromes With Outcomes

IMPORTANCE

Pretreatment of patients with non-ST-segment elevation acute coronary syndrome (NSTE-ACS) with P2Y12 receptor antagonists is a common practice despite the lack of definite evidence for its benefit.

OBJECTIVE

To investigate the association of P2Y12 receptor antagonist pretreatment vs no pretreatment with mortality, stent thrombosis, and in-hospital bleeding in patients with NSTE-ACS undergoing percutaneous coronary intervention (PCI).

DESIGN, SETTING, AND PARTICIPANTS

This cohort study used prospective data from the Swedish Coronary Angiography and Angioplasty Registry of 64 857 patients who underwent procedures between 2010 and 2018. All patients who underwent PCI owing to NSTE-ACS in Sweden were stratified by whether they were pretreated with P2Y12 receptor antagonists. Associations of pretreatment with P2Y12 receptor antagonists with the risks of adverse outcomes were investigated using instrumental variable analysis and propensity score matching. Data were analyzed from March to June 2019.

EXPOSURES

Pretreatment with P2Y12 receptor antagonists.

MAIN OUTCOMES AND MEASURES

The primary end point was all-cause mortality within 30 days. Secondary end points were 1-year mortality, stent thrombosis within 30 days, and in-hospital bleeding.

RESULTS

In total, 64 857 patients (mean [SD] age, 64.7 [10.9] years; 46 809 [72.2%] men) were included. A total of 59 894 patients (92.4%) were pretreated with a P2Y12 receptor antagonist, including 27 867 (43.7%) pretreated with clopidogrel, 34 785 (54.5%) pretreated with ticagrelor, and 1148 (1.8%) pretreated with prasugrel. At 30 days, there were 971 deaths (1.5%) and 101 definite stent thromboses (0.2%) in the full cohort. Pretreatment was not associated with better survival at 30 days (odds ratio [OR], 1.17; 95% CI, 0.66-2.11; P = .58), survival at 1 year (OR, 1.34; 95% CI, 0.77-2.34; P = .30), or decreased stent thrombosis (OR, 0.81; 95% CI, 0.42-1.55; P = .52). However, pretreatment was associated with increased risk of in-hospital bleeding (OR, 1.49; 95% CI, 1.06-2.12; P = .02).

CONCLUSIONS AND RELEVANCE

This cohort study found that pretreatment of patients with NSTE-ACS with P2Y12 receptor antagonists was not associated with improved clinical outcomes but was associated with increased risk of bleeding. These findings support the argument that pretreatment with P2Y12 receptor antagonists should not be routinely used in patients with NSTE-ACS.

The impact of early information concerning the surgical operations on anxiety in patients with burns

AIMS

Stress has been linked to poor coping with health-related issues, poor adaptation, a decrease of quality of life, poor recovery and poor wound healing. Therefore, it is important to address patients' uncertainty and feelings of anxiety. The aim of this study was to examine the effect of providing early treatment information based on an LDI-scan to patients with burns on their feelings of anxiety.

DESIGN

An observational prospective pre-test post-test study.

METHODS

Patients with intermediate burns (n = 59) admitted to our burn centre in 2016 were evaluated for anxiety using a visual analogue scale (VAS-A) before and after an LDI-scan was made. Two groups were compared: a group that heard whether surgery would or would not be recommended for wound closure (certain group) versus a group that heard to wait and see whether an operation was determined to be helpful (uncertain group).

RESULTS

Before the LDI-scan was made, both groups showed clinically high levels of anxiety (median VAS scores above 5). After the information gathered with the LDI was discussed with the patient, anxiety dropped significantly (median VAS below 3; p = .001). No significant differences between the groups were observed (p > .05).

CONCLUSION

In contrast to other studies, anxiety was significantly reduced in all our study groups after information was shared. Early communication of knowledge by health care professionals is important regardless whether it includes treatment uncertainty.

[Linee guida di pratica clinica sulla cura peri- e post-operatoria delle fistole e delle protesi arterovenose per emodialisi negli adulti. Sintesi delle raccomandazioni delle "European Renal Best Practice (ERBP)"]

Questo documento è stato tradotto dall'inglese a nome dell'ERBP (European Renal Best Practice), un organo ufficiale dell'ERA-EDTA (European Renal Association - European Dialysis and Transplant Association), e si basa su una pubblicazione ufficiale edita su Nephrology, Dialysis and Transplantation (NDT). ERBP si assume la piena responsabilità solo per la versione completa delle linee guida in originale e in lingua inglese pubblicate su NDT: Gallieni M, Hollenbeck M, Inston N, et al. Clinical practice guideline on peri- and postoperative care of arteriovenous fistulas and grafts for haemodialysis in adults. Nephrol Dial Transplant 2019; 34(S_2):ii1-ii42. https://doi.org/10.1093/ndt/gfz072.

Otolaryngology in the Time of Corona: Assessing Operative Impact and Risk During the COVID-19 Crisis

OBJECTIVE

Limited research exists on the coronavirus disease 2019 (COVID-19) pandemic pertaining to otolaryngology-head and neck surgery (OHNS). The present study seeks to understand the response of OHNS workflows in the context of policy changes and to contribute to developing preparatory guidelines for perioperative management in OHNS.

STUDY DESIGN

Retrospective cohort study.

SETTING

Pediatric and general adult academic medical centers and a Comprehensive Cancer Center (CCC).

SUBJECTS AND METHODS

OHNS cases from March 18 to April 8, 2020-the 3 weeks immediately following the Ohio state-mandated suspension of all elective surgery on March 18, 2020-were compared with a 2019 control data set.

RESULTS

During this time, OHNS at the general adult and pediatric medical centers and CCC experienced 87.8%, 77.1%, and 32% decreases in surgical procedures as compared with 2019, respectively. Aerosol-generating procedures accounted for 86.8% of general adult cases, 92.4% of pediatric cases, and 62.0% of CCC cases. Preoperative COVID-19 testing occurred in 7.1% of general adult, 9% of pediatric, and 6.9% of CCC cases. The majority of procedures were tiers 3a and 3b per the Centers for Medicare & Medicaid Services. Aerosol-protective personal protective equipment (PPE) was worn in 28.6% of general adult, 90% of pediatric, and 15.5% of CCC cases.

CONCLUSION

For OHNS, the majority of essential surgical cases remained high-risk aerosol-generating procedures. Preoperative COVID-19 testing and intraoperative PPE usage were initially inconsistent; systemwide guidelines were developed rapidly but lagged behind recommendations of the OHNS department and its academy. OHNS best practice standards are needed for preoperative COVID-19 status screening and PPE usage as we begin national reopening.

Estimating the Epidemiological and Economic Impact of Implementing Preoperative Anaemia Measures in the German Healthcare System: The Health Economic Footprint of Patient Blood Management

INTRODUCTION

This study aimed to quantify the potential epidemiological and health economic benefits of implementing preoperative anaemia measures (PAMs) in clinical practice in the German healthcare system.

METHODS

An evidence-based health economic model was developed to assess the possible impact of implementing PAMs, the first pillar of patient blood management (PBM), in a German population. The analysis of two risk factors-iron-deficiency anaemia (IDA) and receipt of a red blood cell concentrate (RBC) transfusion during elective surgery-allowed the estimation of relative risks (RRs), average cost per patient, average length of hospital stay, and avoided hospital deaths after the implementation of PAMs.

RESULTS

A total of 4,591,060 patients who had undergone elective surgery during 2015 were identified, of which 29,170 (0.64%) were diagnosed with preoperative IDA. These patients had an increased RR of receiving a RBC transfusion during surgery (RR 5.031; 95% confidence interval [CI] 4.928, 5.136) and increased mortality risk (RR 3.630; 95% CI 3.401, 3.874) versus patients without IDA. Patients who received a RBC transfusion during surgery had a 24.6-times higher risk of death than those who did not (RR 24.593; 95% CI 24.121, 25.075). Average cost of treatment was €7883 in patients with IDA, €21,744 in patients with IDA and RBC transfusion, and €4560 in patients without risk factors. The model identified 29,714 patients (0.65%) who had received a RBC transfusion and who potentially had IDA but remained undiagnosed before surgery. Hypothetical implementation of PAMs would have resulted in an estimated annual net hospital direct cost saving of €1029 million (1.58%) of total hospital direct costs of the German healthcare system and 3036 hospital deaths (0.07%) avoided.

CONCLUSIONS

This model estimated the impact of implementing PAMs for patients with IDA undergoing elective surgery. A significant number of deaths, costly treatments, and hospital days could have been avoided by the introduction of PAMs in routine clinical practice in Germany.

Opioid Misuse and Dependence Screening Practices Prior to Surgery

BACKGROUND

A majority of surgical patients are prescribed opioids for pain management. Many patients have pre-existing chronic pain managed with opioids and/or opioid use disorders (OUDs), which can complicate perioperative management. Patients who use opioids prior to surgery are at increased risk of developing OUD after surgery. To date, no studies have examined the prevalence of opioid screening and electronic medical record (EMR) documentation prior to surgery.

MATERIALS AND METHODS

A 40-item survey was administered to 268 patients at their first postoperative care visit at a single tertiary academic center from October 2017 to July 2018. A chart review of a random sample of 100 patients was performed to determine provider opioid screening prevalence in the presurgical setting. Log-binomial models were used to calculate prevalence ratios (PRs) to determine the provider role (surgeon, advanced practice clinicians [APC], surgical trainee) association with opioid screening documentation. Exploratory qualitative interviews were conducted with surgical providers to identify barriers to screening and screening documentation.

RESULTS

Only 7% of patients were screened preoperatively for opioid use. A total of 38% of patients self-reported that they had used opioids in the past year. Of that group, only 3% had screening by a surgical provider prior to surgery documented in their EMR. Provider role was not associated with likelihood of opioid screening (surgeon versus trainee, PR = 1.2, 95% CI 0.2-8.5) (surgeons versus APCs, PR = 1.05, 95% CI 0.17-8.53). EMRs were discordant with patient survey results for patients with no ICD-10 codes for opioid use. The most common perceived barriers to preoperative screening were insufficient clinic time; logistics of who should screen/not required as part of their clinical workflow; not perceiving screening as a priority; and lack of expertise in the area of chronic opioid use and OUD.

CONCLUSIONS

Preoperative screening for opioid use is uncommon, and EMRs are often discordant with patient self-reported use. Efforts to increase preoperative screening will need to address barriers screening practices and increasing health system support by incorporating screening into the clinical workflow and adding it to documentation templates.

Preoperative Optimization for Perioperative Analgesia

The perioperative analgesic plan begins with preoperative planning. The surgeon should be versed in practical approaches for managing analgesia in patients with chronic pain. The first step includes evaluating the patient and conducting a focused pain history. Confirming, documenting, and understanding current outpatient prescriptions is critical. Patients should be screened for medical conditions that preclude the use of certain analgesics, or place them at higher risk of respiratory depression. Providers should coordinate with the patient's outpatient prescribers and pain specialists to ensure a safe and effective analgesic plan. Multimodal analgesia should be implemented to optimize analgesia and decrease opioid requirements.

Clinical significance of preoperative serum concentrations of interleukin-6 as a prognostic marker in patients with esophageal cancer

BACKGROUND

Although the clinical outcome of esophageal cancer has recently improved, the relapse rate remains high for all disease stages. At present, there is no diagnostic method to predict the long-term outcome for esophageal cancer. In this study, we evaluated serum preoperative proinflammatory cytokine levels and investigated the correlation between preoperative interleukin-6 (IL-6) and IL-8 levels and survival of patients with esophageal cancer.

METHODS

Between 2008 and 2015, we evaluated preoperative serum cytokine levels in 122 patients who underwent esophagectomy for esophageal cancer. Serum IL-6 and IL-8 levels were measured by enzyme-linked immunosorbent assays. We investigated the relationship between serum cytokine levels and the response to chemotherapy and survival.

RESULTS

The preoperative IL-6 levels were significantly associated with shorter recurrence-free survival (RFS, p = 0.001) and overall survival (OS, p = 0.001) after esophagectomy. Higher IL-8 levels were significantly associated with RFS (p = 0.018). In the multivariate analysis, age, preoperative chemotherapy, lymph node metastasis, serum C-reactive protein (CRP) levels and serum IL-6 levels (hazard ratio (HR), 2.888; p = 0.049) were significantly independent prognostic factors of RFS. Additionally, age, pathological stage, and serum IL-6 levels (HR, 3.247; p = 0.027) were shown to be significantly independent prognostic factors of OS. Serum IL-6 levels were significantly higher in the non-responder group (pathological response pGrade0 and pGrade1) after neoadjuvant therapy.

CONCLUSIONS

High preoperative serum IL-6 levels are associated with a poor response to chemotherapy or chemoradiotherapy and poor prognosis after esophagectomy. Preoperative serum IL-6 levels may be a useful independent prognostic marker for esophageal cancer patients.

The sterno-tracheal distance is an important factor of anastomotic leakage of retrosternal gastric tube reconstruction after esophagectomy

BACKGROUND

Anastomotic leakage (AL) is a serious complication after esophagectomy. The retrosternal (RS) route has been selected majorly to reduce reflux and related pneumonia and considering mediastinal recurrences. AL has been developed more in RS than posterior mediastinal (PM) route reconstruction. Therefore, we suspected the sterno-tracheal distance (STD) might be related to AL and started the selection according to the STD from 2009.

METHODS

A total of 221 patients who underwent a subtotal esophagectomy with gastric tube reconstruction during January 2004-April 2017 were investigated. The patients were classified into the 'after STD selection' (A; n = 144) group and the 'before STD selection' (B, n = 77) group. The incidences of and the risk factors for AL between the two groups were compared.

RESULTS

The incidence of AL was high in the B group (18.2%), and 78.6% of the patients who developed AL were treated with RS route reconstruction. The median STDs of the patients with AL and no AL were 10.3 mm and 14.5 mm, respectively (p = 0.001). These results demonstrated that the STD was a risk factor for AL in the RS route. Based on these results, 13 mm was set as the cutoff value. After STD selection, the median STD increased from 14.0 to 17.3 mm (p = 0.001), and the incidence of AL decreased significantly from 26.2 to 11.1% in the RS route (p = 0.037).

CONCLUSION

The STD was the independent risk factor for AL in the RS route. RS route reconstruction should be avoided for the patients with STD < 13 mm.

Significance of a positive sentinel lymph node biopsy in staging for distant metastasis in breast cancer: are current guidelines relevant?

INTRODUCTION

In breast cancer, early identification of distant metastasis changes management. Current guidelines recommend radiological staging in patients with a preoperative positive axilla; no guidelines address a preoperative negative axilla with subsequent positive sentinel lymph node biopsy. This study investigates whether current guidelines adequately identify distant metastasis in a positive sentinel lymph node biopsy population that had radiological staging.

MATERIALS AND METHODS

Patients diagnosed with primary breast cancer between 1 January 2013 and 1 October 2017 with a positive sentinel lymph node biopsy and subsequent radiological staging from a single unit were included. A systematic search identified relevant guideline criteria, against which patients were audited.

RESULTS

A total of 330 patients with positive sentinel lymph node biopsy were identified; 227 (69%) had radiological staging postoperatively with computed tomography (5.3%), bone scan (2.6%) and both (92%) which identified 8/227 (3.5%) patients had distant metastasis. Patients with distant metastasis (DMp) compared with those without distant metastasis (NDMp) were associated with poorly differentiated tumours (DMp 62% vs NDMp 28%; p = 0.037), high-grade ductal carcinoma in situ (DMp 75% vs NDMp 39%; p = 0.043) and increased mean invasive tumour size (DMp 37mm vs NDMp 24mm; p = 0.014). Binomial logistic regression did not identify any characteristics to predict distant metastasis in staged patients (chi-squared p = 0.162). Two guidelines used postoperative results to inform radiological staging decision; 68/227 (30%) of staged patients met these guideline criteria, five of eight patients with distant metastasis did not meet current guideline criteria for radiological staging.

DISCUSSION

Over 50% of patients with distant metastasis did not meet current guideline criteria for radiological staging and would have remained undiagnosed if current guidelines were followed. This study had an acceptable detection rate of 3.5% for distant metastasis. We therefore recommend radiological staging in all patients with positive sentinel lymph node biopsy.

Head and neck cancer surgery in COVID-19 pandemic in Northern Italy

•

COVID-2019 pandemic represents a great challenge both in itself and for time-sensitive diseases.

•

Head and neck cancer surgery is a high risk procedure for COVID-19.

•

Possibility of SARS-CoV-2 false negative at pre-operative evaluation in asymptomatic subjects should not let guard down in the post-operative time.

Patient Blood Management for primary hip and knee replacement. A survey among POWER.2 study researchers

BACKGROUND

Implementation of Patient Blood Management programs remain variable in Europe, and even in centres with well-established PBM programs variability exists in transfusion practices.

OBJECTIVES AND METHODS

We conducted a survey in order to assess current practice in perioperative Patient Blood Management in patients undergoing total hip and knee replacement among researchers involved in POWER.2 Study in Spain (an observational prospective study evaluating enhanced recovery pathways in orthopaedic surgery).

RESULTS

A total of 322 responses were obtained (37.8%). Half of responders check Haemoglobin levels in patients at least 4 weeks before surgery; 35% treat all anaemic patients, although 99.7% consider detection and treatment of preoperative anaemia could influence the postoperative outcomes. Lack of infrastructure (76%) and lack of time (51%) are the main stated reasons not to treat anaemic patients. Iron status is routinely checked by 19% before surgery, and 36% evaluate it solely in the anaemic patient. Hb<9.9 g/dl is the threshold to delay surgery for 61% of clinicians, and 22% would consider transfusing preoperatively clinically stable patients without active bleeding. The threshold to transfuse patients without cardiovascular disease is 8 g/dl for 43%, and 7 g/dl for 34% of the responders; 75% of clinicians consider they use "restrictive thresholds", and 90% follow the single unit transfusion policy.

CONCLUSIONS

The results of our survey show variability in clinical practice in Patient Blood Management in major orthopaedic surgery, despite being the surgery with the greatest tradition in these programs.

Diabetes in day case general and vascular surgery: A multicentre regional audit

BACKGROUND

People with Diabetes Mellitus (DM) are at increased risk of postoperative complications if their HbA1C readings are not well controlled. In the UK, there are clear national guidelines requiring all people with DM to have HbA1C blood testing within 6months before undergoing surgery and that these readings should be below 69 mmol/mol if this is safe to achieve. The aim of this study was to determine whether hospitals in the region were compliant with the guidelines.

METHODS

Data were prospectively collected from seven hospitals across the East of England region from 1st October 2017 to 31st March 2018 (6 months) in all people with DM undergoing elective day case procedures in General and Vascular surgery for benign disease.

RESULTS

A total of 181 people with DM were included in the study, of whom 77.9% were male patients and the median age was 63 years. The three most commonly performed operations were laparoscopic cholecystectomy (20.9%, n = 38/181), inguinal hernia repair (20.4%, n = 37/181) and umbilical/para-umbilical hernia repair (11.0%, n = 20/181). In keeping with the national guidelines, only 86.7% (n = 157/181) of patients had an HbA1C tested within 6 months prior to their surgery date. Of the patients who had a preoperative HbA1C, 14 (n = 14/157, 8.9%) had an HbA1C ≥ 69 mmol/mol, and 12 (n = 12/14, 85.7%) of these proceeded to surgery without optimisation of their HbA1C.

CONCLUSION

A significant proportion of people with diabetes undergoing elective day case procedures in our region do not have HbA1C testing within 6 months of their procedure as recommended by the national guidelines. In patients who do have a high HbA1C, the majority still undergo surgery without adequate control of their DM. Greater awareness amongst healthcare workers and robust pathways are required for this vulnerable group of patients if we are to reduce the risk of developing postoperative complication rates.

Risk of Intracranial Extension of Craniofacial Dermoid Cysts

BACKGROUND

Dermoid cysts are benign lesions lined by keratinizing squamous epithelium that also contain epidermal adnexa (hair follicles, hair shafts, sebaceous glands, and both apocrine and eccrine sweat glands) and mesodermal derivatives (smooth muscle fibers, vascular stroma, nerves, and collagen fibers). Craniofacial dermoid cysts represent approximately 7 percent of all dermoids and have an incidence ranging between 0.03 and 0.14 percent.

METHODS

The authors conducted a single-center, consecutive, nonrandomized comparative case series over a 20-year period of all patients treated surgically for craniofacial dermoid at the Royal Children's Hospital in Melbourne, Australia. Six hundred forty-seven patients had craniofacial dermoids and adequate information to be included in the study. The authors also conducted a thorough review of the literature using the MEDLINE and Embase databases.

RESULTS

Six hundred forty-seven patients amounted to 655 lesions in our case series. The age at surgery ranged from 2 months to 18 years, with an average age of 25.65 months. The depth of the lesions was stratified using a classification system, and the risk of intracranial extension was assessed using these data. Midline nasal lesions are established as high risk by other studies, but frontal, temporal, and occipital lesions were found to be as risky if not more risky for intracranial extension.

CONCLUSIONS

Several classification systems for craniofacial dermoid cysts have used both broader anatomical locations and physical characteristics to group these lesions and identify those warranting preoperative imaging. The authors propose a system using more specific classification of anatomical location to assist in the prompt identification of high-risk lesions and facilitate sound preoperative planning.

CLINICAL QUESTION/LEVEL OF EVIDENCE

Therapeutic, V.

Prevalence of Staphylococcus aureus colonization in patients for total joint arthroplasty in South Africa

BACKGROUND

Periprosthetic joint infections (PJIs) are a major source of morbidity and mortality for patients undergoing total joint arthroplasty (TJA). Staphylococcus aureus (S. aureus) colonization is an independent, modifiable risk factor for periprosthetic joint infections. Post-operative infections are reported to be ten times greater in S. aureus carriers than in non-carriers in developed countries though recorded data is lacking for the developing world. This study aims to determine the prevalence of S. aureus colonization in patients awaiting TJA in South Africa.

METHODS

We prospectively assessed 119 patients awaiting total knee arthroplasty and total hip arthroplasty between May and October 2016. We screened three separate anatomical sites on each patient for S. aureus. Patients with positive cultures were treated with intranasal mupirocin ointment and chlorhexidine body wash. Univariate and comparative statistical analyses to determine risk factors for colonization was conducted using t tests, Fisher's exact tests, and chi-square analyses.

RESULTS

The overall prevalence of methicillin-sensitive S. aureus colonization was 31.9% (n = 38). There were no patients colonized with methicillin-resistant S. aureus. Nasal swabs returned a yield of 81.6% (n = 31), with groin swabs and axillary swabs at 39.5% (n = 15) and 28.9% (n = 11), respectively. Eradication was successful in 94.74% (n = 36) after 5 days treatment. All patients (100%) were decolonized after counseling and repeat eradication treatment. The overall complication rate was 7.6% (n = 9). The 30-day readmission rate in the S. aureus-colonized group was 7.9% (n = 3) as opposed to 7.4% (n = 6) in the non-colonized cohort. There were no 60- and 90-day readmissions and no cases were revised at a mean follow-up of 2.26 years.

CONCLUSIONS

The rate of S. aureus colonization in patients undergoing elective TJA in a developing country was 31.9% and is equivalent to reported rates in developed countries. Eradication treatment with combined intranasal mupirocin ointment and chlorhexidine body wash is a successful treatment modality. A larger cohort of patients is recommended to determine risk factors and post-operative septic sequelae in this population group.

Failure of platelet function analyser 200 to demonstrate clinical clopidogrel resistance in a patient undergoing intracranial vascular stenting

A patient undergoes intracranial stent insertion for stent-assisted coiling of a basilar tip aneurysm and left middle cerebral artery aneurysm. A flow diverting stent is also placed across an anterior communicating artery aneurysm. Prior to the procedure, the patient takes dual antiplatelet medications, being aspirin and clopidogrel. Because of the concern regarding in-stent thrombus and thromboembolic complications related to intracranial stenting and the high rate of clopidogrel resistance, preoperative platelet function testing (PFT) was undertaken to ensure platelet inhibition. In this case, PFT was performed on a platelet function analyser which demonstrated platelet inhibition. Ten days following the procedure, the patient represented with thromboembolic stroke. Repeat PFT performed with whole blood impedance aggregometry and despite full medication compliance demonstrated clopidogrel resistance. Clopidogrel was then ceased and prasugrel commenced. This case demonstrates the importance of appropriate platelet inhibition in patients with intracranial stents and the controversy surrounding PFT.

Fasting prior to cardiac catheterisation: a single-centre observational study

AIM

Previous generation contrast agents were associated with high rates of nausea, vomiting and risk of aspiration leading to recommendations to fast prior to the procedure. However, modern contrast agents are well tolerated with a low risk of aspiration. Our current guidelines recommend fasting four to six hours before elective and semi-urgent cardiac catheterisation despite a lack of evidence to support this. We sought to determine the duration and effects of fasting at our centre.

METHODS

A single-centre prospective observational study in patients undergoing elective cardiac catheterisation over a six-month period between 7 August 2017 to 7 February 2018 at Auckland City Hospital, New Zealand.

RESULTS

One thousand and thirty patients with a mean age of 66±12 years underwent catheterisation. Sixty-seven percent were male, 26% had diabetes, 72% had hypertension and 23% had stage 3 or worse chronic kidney disease. The mean duration of fasting was 11.6±4.9 hours with 80% fasting longer than recommended. One hundred and eight (48%) patients with documented chronic kidney disease did not receive recommended pre-hydration. The most common symptoms related to fasting were hunger (47 %), nausea (3.9%) and vomiting (0.8%). Hypertension (4.1%) and hyperglycaemia (0.8%) occurred due to missed medication. There were no reports of aspiration.

CONCLUSION

Most patients were fasted for significantly longer than recommended and pre-hydration was underutilised in patients at high risk of contrast-induced nephropathy. There were no episodes of aspiration with modern contrast agents. Further studies are required to evaluate the need for fasting prior to non-emergency cardiac catheterisation.