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Introduction and hypothesis Obstructive defecation syndrome (ODS) is a common urogynaecology presentation. This study compares two questionnaires, the electronic Personal Assessment Questionnaire (e-PAQ), used in urogynaecology clinics, with the ODS-Score (ODS-S), a simple validated scoring system used in colorectal clinics for diagnosing ODS, to identify patients with an ODS-S cut-off ≥9. Methods A total of 221 paired ODS-S and e-PAQ questionnaires were completed; 80 during the second trimester of pregnancy, 73 during the third and 68 post-natally, including women sustaining obstetric anal sphincter injury (OASI). e-PAQ score and ODS-S were compared and Pearson’s correlation coefficient calculated. Areas under the curve assessed the diagnostic ability of e-PAQ scores to identify patients with ODS-S of ≥9. Results The e-PAQ and ODS-S scores showed a positive correlation in the second and third trimesters of pregnancy, post-natally and following OASI. Pearson’s correlation coefficient was calculated (0.77; p p p = 0.001 and 0.79; p 0.90 for all groups. Conclusions Comparison of e-PAQ evacuatory domain scores and ODS-S show a strong correlation, with an e-PAQ score of ≥33 promising for identifying women with an ODS score of ≥9, indicating ODS. This study will enable us to identify women during pregnancy and post-natally with ODS for whom early recognition and intervention may be beneficial.

Women with breast cancer-related genetic pathogenic variants (e.g., BRCA1 , BRCA2 ) or with a strong family history carry lifetime risks of developing breast cancer of up to 80 to 90 percent. A significant proportion of these women proceed to bilateral risk-reducing mastectomy. The authors aimed to document the surgical morbidity of risk-reducing mastectomy and establish whether a diagnosis of breast cancer at the time of surgery impacted outcomes.Clinical details of 445 women identified as having a greater than 25 percent lifetime risk of developing breast cancer who underwent risk-reducing mastectomy and breast reconstruction were interrogated for surgical outcomes such as planned, unplanned, and emergency procedures; complication rates; length of stay; and longevity of breast reconstruction. These outcome measures were recorded in women diagnosed with breast cancer perioperatively (cancer group) and those without malignancy (benign group).Median follow-up was similar in both groups (benign group, 70 months; cancer group, 73 months). Patients were older in the cancer group than in the benign group (43 years versus 39 years; p0.001). Women in the cancer group required more planned procedures to complete reconstruction than those in the benign group (four versus two; p = 0.002). Emergency procedures, unplanned surgical interventions (e.g., capsulectomy), and postreconstruction complication rates were similar between groups. One in five women overall required revision surgery. Patients with autologous reconstructions had a revision rate of 1.24 per 1000 person-years compared with 2.52 per 1000 person-years in the implant reconstruction group.Women contemplating risk-reducing mastectomy can be reassured that this is a safe and effective procedure but will likely take multiple interventions. This knowledge should be integral to obtaining informed consent.Risk, II.

Background: Although many people infected with SARS-CoV-2 (severe acute respiratory syndrome coronavirus-2) experience no or mild symptoms, some individuals can develop severe illness and may die, particularly older people and those with underlying medical problems. Providing evidence-based interventions to prevent SARS-CoV-2 infection has become more urgent with the spread of more infectious SARS-CoV-2 variants of concern (VoC), and the potential psychological toll imposed by the coronavirus disease 2019 (COVID-19) pandemic. Controlling exposures to occupational hazards is the fundamental method of protecting workers. When it comes to the transmission of viruses, such as SARS-CoV-2, workplaces should first consider control measures that can potentially have the most significant impact. According to the hierarchy of controls, one should first consider elimination (and substitution), then engineering controls, administrative controls, and lastly, personal protective equipment (PPE). Objectives: To assess the benefits and harms of interventions in non-healthcare-related workplaces to reduce the risk of SARS-CoV-2 infection relative to other interventions, or no intervention. Search methods: We searched MEDLINE, Embase, Web of Science, Cochrane COVID-19 Study Register, the Canadian Centre for Occupational Health and Safety (CCOHS), Clinicaltrials.gov, and the International Clinical Trials Registry Platform to 14 September 2021. We will conduct an update of this review in six months. Selection criteria: We included randomised control trials (RCT) and planned to include non-randomised studies of interventions. We included adult workers, both those who come into close contact with clients or customers (e.g. public-facing employees, such as cashiers or taxi drivers), and those who do not, but who could be infected by co-workers. We excluded studies involving healthcare workers. We included any intervention to prevent or reduce workers' exposure to SARS-CoV-2 in the workplace, defining categories of intervention according to the hierarchy of hazard controls, i.e. elimination; engineering controls; administrative controls; personal protective equipment. Data collection and analysis: We used standard Cochrane methods. Our primary outcomes were incidence rate of SARS-CoV-2 infection (or other respiratory viruses), SARS-CoV-2-related mortality, adverse events, and absenteeism from work. Our secondary outcomes were all-cause mortality, quality of life, hospitalisation, and uptake, acceptability, or adherence to strategies. We used the Cochrane RoB 2 tool to assess the risk of bias, and GRADE methods to assess the certainty of evidence for each outcome. Main results: Elimination of exposure interventions. We included one study examining an intervention that focused on elimination of hazards. This study is an open-label, cluster-randomised, non-inferiority trial, conducted in England in 2021. The study compared standard 10-day self-isolation after contact with an infected person to a new strategy of daily rapid antigen testing and staying at work if the test is negative (test-based attendance). The trialists hypothesised that this would lead to a similar rate of infections, but lower COVID-related absence. Staff (N = 11,798) working at 76 schools were assigned to standard isolation, and staff (N = 12,229) at 86 schools to the test-based attendance strategy. The results between test-based attendance and standard 10-day self-isolation were inconclusive for the rate of symptomatic PCR-positive SARS-COV-2 infection rate ratio ((RR) 1.28, 95% confidence interval (CI) 0.74 to 2.21; 1 study, very low-certainty evidence)). The results between test-based attendance and standard 10-day self-isolation were inconclusive for the rate of any PCR-positive SARS-COV-2 infection (RR 1.35, 95% CI 0.82 to 2.21; 1 study, very low-certainty evidence). COVID-related absenteeism rates were 3704 absence days in 566,502 days-at-risk (6.5 per 1000 days at risk) in the control group and 2932 per 539,805 days-at-risk (5.4 per 1000 days at risk) in the intervention group (RR 0.83; 95% CI 0.55 to 1.25). The certainty of the evidence was downgraded to low, due to imprecision. Uptake of the intervention was 71 % in the intervention group, but not reported for the control intervention. The trial did not measure other outcomes, SARS-CoV-2-related mortality, adverse events, all-cause mortality, quality of life, and hospitalisation. We found one ongoing RCT about screening in schools, using elimination of hazard strategies. Personal protective equipment. We found one ongoing non-randomised study on the effects of closed face shields to prevent COVID-19 transmission. Other intervention categories. We did not find studies in the other intervention categories. Authors' conclusions: We are uncertain whether a test-based attendance policy affects rates of PCR-postive SARS-CoV-2 infection (any infection; symptomatic infection) compared to standard 10-day self-isolation amongst school and college staff. Test-based attendance policy may result in little to no difference in absence rates compared to standard 10-day self-isolation. As a large part of the population is exposed in the case of a pandemic, an apparently small relative effect that would not be worthwhile from the individual perspective may still affect many people, and thus, become an important absolute effect from the enterprise or societal perspective. The included study did not report on any other primary outcomes of our review, i.e. SARS-CoV-2-related mortality and adverse events. No completed studies were identified on any other interventions specified in this review, but two eligible studies are ongoing. More controlled studies are needed on testing and isolation strategies, and working from home, as these have important implications for work organisations.

Introduction: Nigeria has a large estimated burden of AIDS-related mycoses. We aimed to determine the proportion of pa- tients with AIDS-related opportunistic fungal infections (OFIs) at an urban antiretroviral treatment (ART) centre in Nigeria. Methods: A retrospective analysis of a cohort of ART-naïve, HIV-infected patients, assessed for ART eligibility and ART- experience at the PEPFAR outpatient clinic at Lagos University Teaching Hospital over a 12-year period (April 2004-Feb- ruary 2016) was conducted. Results: During this period, 7,034 patients visited the clinic: 4,797 (68.2%) were female; 6161 patients had a recorded base- line CD4 count, and the median CD4 count was 184 cells/µl (IQR, 84-328). A baseline HIV-1 viral load (VL) was recorded for 5,908 patients; the median VL was 51,194 RNA copies/ml (IQR, 2,316-283,508) and 6,179/7046(88%) had initiated ART. Some 2,456 (34.9%) had a documented opportunistic infections, of whom 1,306 (18.6%) had an opportunistic fungal infection. The total number of OFI episodes was 1,632: oral candidiasis (n=1,473, 90.3%), oesophageal candidiasis (n=118; 8%), superficial mycoses (n=23; 1.6%), Pneumocystis pneumonia (PJP) (n=13; 0.8%), and cryptococcal meningitis(CM) (n=5; 0.4%). 113 (1.6%) were known to have died in the cohort. Conclusion: Approximately 1 in 5 HIV-infected patients in this retrospective cohort, most of whom had initiated ART, were clinically diagnosed with an OFI. Improved access to simple accurate diagnostic tests for CM and PJP should be pri- oritised for this setting. Keywords: Opportunistic fungal infections; ART Adherence; Advanced HIV disease.

While it is known that histologically involved margins lead to a higher local recurrence rate, re-excision of anterior margins is less common than that of radial margins. However, there are minimal long-term data on the oncological safety of non-surgical management of anterior margins. A retrospective study was performed of all patients who underwent breast conserving surgery for breast cancer between 2000 and 2008 at two tertiary referral centres. A close margin was defined as disease within two mm of the resection margin (including disease at the margin). 6922 patients underwent surgery for invasive or in situ breast cancer of whom 277 patients had a close anterior margin alone after breast conserving surgery. Two hundred and twenty patients had non-surgical management of their margins, while 57 had re-excision surgery. Overall, there were 4/57 local recurrences in the surgical management group and 12/220 in the non-surgical management group. The local recurrence-free survival rate at 5 years was 98.2% (1 recurrence, 95% CI 87.8–99.7) in the surgical management group and 97.2% (6 recurrences, 95% CI 93.8–98.7) in the non-surgical management group. At 10 years, the rates were 92.2% (4 recurrences, 95% CI 80.3–97.0) in the surgical management group and 93.9% (12 recurrences, 95% CI 89.4–96.5) in the non-surgical management group. There was no significant difference found in the local recurrence rate between management groups (HR 1.24, 95% CI 0.40, 3.85; p = 0.71). Local recurrence rates are acceptable and similar in both the surgically and non-surgically managed groups. Non-surgical management of close anterior margins appears oncologically safe when combined with appropriate adjuvant therapy.

Health interventions should be tested before being introduced into clinical practice, to find out whether they work and whether they are harmful. However, research studies will only provide reliable answers to these questions if they are appropriately designed and analysed. But these are not trivial tasks. We review some methodological challenges that arise when evaluating fertility interventions and explain the implications for a non-statistical audience. These include flexibility in outcomes and analyses; use of surrogate outcomes instead of live birth; use of inappropriate denominators; evaluating cumulative outcomes and time to live birth; allowing each patient or couple to contribute to a research study more than once. We highlight recurring errors and present solutions. We conclude by highlighting the importance of collaboration between clinical and methodological experts, as well as people with experience of subfertility, for realising high-quality research. Lay summary We do research to find out whether fertility treatments are beneficial and to make sure they don’t cause harm. However, research will only provide reliable answers if it is done properly. It is not unusual for researchers to make mistakes when they are designing research studies and analysing the data that we get from them. In this review, we describe some of the mistakes people make when they do research about fertility treatments and explain how to avoid them. These include challenges which arise due to the large number of things that can be measured and reported when looking to see if fertility treatments work; failure to check whether the treatment increases the number of live births; failing to include all study participants in calculations;challenges in studies where participants may have more than one treatment attempt. We conclude by highlighting the importance of collaboration between clinical and methodological experts, as well as people with experience of fertility problems.

Ivacaftor was the first therapy licensed to address the underlying defect in cystic fibrosis (CF). The improvements in lung function, nutritional status and pulmonary exacerbations in patients carrying aWe conducted a 5-year single-centre retrospective study of people with CF carrying the35 people were included. After commencing ivacaftor, FEVThe addition of ivacaftor provides acute benefits for people with the

Objective To assess the effectiveness of patient decision aids to facilitate shared decision making in obstetrics and gynecology. Data sources We searched ClinicalTrials.gov, MEDLINE, CENTRAL, Cochrane Gynaecology and Fertility specialized register, CINAHL, and EMBASE from 1946 to July 2019. Methods of study selection We selected randomized controlled trials comparing patient decision aids with usual clinical practice or a control intervention. Tabulation, integration, and results Thirty-five randomized controlled trials, which reported data from 9,790 women, were included. Patient decision aids were evaluated within a wide range of clinical scenarios relevant to obstetrics and gynecology, including contraception, vaginal birth after cesarean delivery, and pelvic organ prolapse. Study characteristics and quality were recorded for each study. The meta-analysis was based on random-effects methods for pooled data. A standardized mean difference of 0.2 is considered small, 0.5 moderate, and 0.8 large. When compared with usual clinical practice, the use of patient decision aids reduced decisional conflict (standardized mean difference -0.23; 95% CI -0.36, to -0.11; 19 trials; 4,624 women) and improved patient knowledge (standardized mean difference 0.58; 95% CI 0.44 to 0.71; 17 trials; 4,375 women). There was no difference in patient anxiety (standardized mean difference -0.04; 95% CI -0.14 to 0.06; 12 trials; 2,714 women) or satisfaction (standardized mean difference 0.17; 95% CI 0.09 to 0.24; 6 trials; 2,718 women). Conclusion Patient decision aids are effective in facilitating shared decision making and can be helpful in clinical practice to support patient centered care informed by the best evidence. Systematic review registration PROSPERO International Register of Systematic Reviews, www.crd.york.ac.uk/prospero/89953, CRD42018089953.

BackgroundScreening with cardiac non-invasive stress studies (NISS) prior to listing for kidney transplantation can help in identifying treatable coronary disease and is considered an integral part of pre-kidney transplant evaluation. However, few studies assessed their effectiveness in all patients evaluated for transplantation in clinical practice. To evaluate the role of NISS in pre-kidney transplant evaluation we analyzed their impact prior to waitlisting in 1053 adult CKD-5 patients consecutively evaluated in Greater Manchester, UK during a 6-year period.Methods918 waitlisted patients were grouped based on presence or absence of Diabetes or Cardio-Vascular Disease (CVD): Group-1 (255 DM-/CVD-/NISS-), Group-2 (368 DM-/CVD-/NISS+) and Group-3 (295 with DM or CVD).ResultsGroup-2 patients had longer 'time-to-listing' (5.5months in Group-1 vs 6.9months in 'Normal-NISS' vs 9.9months in 'Abnormal-NISS', pConclusionsPre-kidney transplant evaluation with NISS influenced clinical management in 19 of 1053 (2%) patients. Screening with NISS added limited benefit but contributes to significant delays in listing and adding resource implications. Further studies are needed to assess clinical and cost effectiveness of NISS in pretransplant evaluation to optimize outcomes and resources.

Background Bag-valve-mask (BVM) ventilation is a vital skill in the management of the collapsed patient; however, the quality of BVM ventilation is a cause for concern. Modified techniques, designed to be easier for the novice practitioner, offer an opportunity to improve quality. One such modification is the 'LASOO' (Lift, Apply, Slide, Oppose, Observe) approach, which offers theoretical benefits over the traditionally taught 'CE' (finger shapes) technique. We conducted a randomised controlled trial (RCT) to determine whether LASOO was superior to CE in terms of tidal volume, when taught to novices in the skills-lab setting. We conducted a randomised controlled trial (RCT) to determine whether LASOO was superior to CE in terms of tidal volume, when taught to novices in the skills-lab setting METHODS: A total of 76 undergraduate health care students received a manikin-based teaching session on LASOO or CE. They then delivered 20 breaths (10 with each hand) to a modified airway manikin. The primary outcome was mean tidal volume; secondary outcomes were the proportion of breaths that achieved 150-mL and 400-mL threshold volumes. Subgroup analyses and statistical modelling were conducted for time-point, hand dominance and hand size. Results The mean tidal volume was 320 mL for CE and 304 mL for LASOO. The median percentage of attempts that exceeded 150 mL was 85 for CE and 82.5 for LASOO. The median percentage of attempts that exceeded 400 mL was 20 for CE and 20 for LASOO. The differences recorded between the techniques were not statistically significant. There was a small, statistically significant increase in tidal volume across both techniques with time-point and holding the mask with the non-dominant hand. Discussion LASOO is a viable alternative to CE. Educators may opt to teach either or both techniques, allowing students to choose the technique that they prefer.

IntroductionNovel, evidence-based treatments are required for treatment-resistant post-traumatic stress disorder (PTSD). 3,4-Methylenedioxymethamphetamine (MDMA) has beneficially augmented psychotherapy in several small clinical trials.ObjectivesTo review the use of MDMA-assisted psychotherapy in treatment-resistant PTSD.MethodsSystematic searches of four databases were conducted from inception to February 2020. A meta-analysis was performed on trials which were double-blinded, randomised, and compared MDMA-assisted psychotherapy to psychotherapy and placebo. The primary outcomes were the differences in Clinician Administered PTSD Scale (CAPS-IV) score and Beck’s Depression Inventory (BDI). Secondary outcome measures included neurocognitive and physical adverse effects, at the time, and within seven days of intervention.ResultsFour randomised controlled trials (RCTs) met inclusion criteria. When compared to active placebo, intervention groups taking 75mg (MD -46.90; 95% CI -58.78, -35.02), 125mg (MD -20.98; 95% CI -34.35, -7.61) but not 100mg (MD -12.90; 95% CI -36.09, 10.29) of MDMA with psychotherapy, had significant decreases in CAPS-IV scores, as did the inactive placebo arm (MD -33.20; 95% CI -40.53, -25.87). A significant decrease in BDI when compared to active placebo (MD -10.80; 95% CI -20.39, -1.21) was only observed at 75mg. Compared to placebo, participants reported significantly more episodes of low mood, nausea and jaw-clenching during sessions and lack of appetite after seven days.ConclusionsThese results demonstrate potential therapeutic benefit with minimal physical and neurocognitive risk for the use of MDMA-assisted psychotherapy in TR-PTSD, despite little effect on Beck’s Depression Inventory. Better powered RCTs are required to investigate further.DisclosureJames Rucker has attended trial related meetings paid for by Compass Pathways Ltd.