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chniques were able to achieve satisfactory functional outcomes. A functional remnant was not related to improved functional outcomes in comparison to a nonfunctional remnant; however, it was related to less laxity pre and postoperatively and inferior graft coverage.

II.

II.

We aimed to develop and validate a new MRI-based perineal membrane reconstruction and morphological measurement technique, and test its feasibility on nulliparous and parous women to determine the effects of pregnancy and childbirth on the perineal membrane.

The perineal membrane was traced on high-resolution MRI using 3D Slicer® and analyses performed using Rhinoceros 6.0 SR23®. Validation was done by comparing MRI-based perineal membrane reconstruction to dissection measurements in a cadaver. Feasibility of reconstruction was assessed in the following three groups nulliparous (NP), primiparous women who underwent cesarean delivery (CD), and primiparous women with vaginal delivery (VD). The following parameters were measured (1) swinging door angle, (2) bony and (3) soft tissue attachment lengths, (4) separation at perineal body level, (5) surface area, and (6) hiatal area. ANOVA and post-hoc comparisons were performed, and the effect sizes (d) were reported.

Model reconstruction was similar to cadaver dissection findings. Morphological measurements were feasible in all women (NP, n= 10; CS, n= 6; VD, n= 19). Swinging door angle was 13

greater in CD (p = 0.03; d = 1.15) and 16

greater in VD (p < 0.001; d = 1.41) compared to NP. VD showed 13% larger separation at the perineal body than NP (p = 0.097, d = 0.84) and 23% larger hiatal area than CD (p = 0.14, d = 0.94).

This novel and anatomically validated MRI-based perineal membrane reconstruction technique is feasible. Preliminary findings show that pregnancy and childbirth both influence perineal membrane morphology with VD being associated with the largest swinging door angle and perineal body separation.

This novel and anatomically validated MRI-based perineal membrane reconstruction technique is feasible. Preliminary findings show that pregnancy and childbirth both influence perineal membrane morphology with VD being associated with the largest swinging door angle and perineal body separation.

Preoperative anemia is a well-established risk factor for adverse perioperative outcomes in major surgery, but studies exploring complications after pelvic reconstructive surgery are limited. The objective of this study is to examine the impact of preoperative anemia on 30-day adverse outcomes in patients undergoing pelvic organ prolapse surgery.

A retrospective cohort of women undergoing pelvic organ prolapse surgery was captured from the National Surgery Quality Improvement Program database (2014-2019). The primary outcome was a composite of postoperative medical complications such as pulmonary embolism, acute renal failure, stroke, myocardial infarction, cardiac arrest, deep vein thrombosis, and sepsis. Secondary outcomes included surgical site infection, bleeding requiring blood transfusion, readmission within 7days of surgery, and return to the operating room within 30days. Multivariate logistic regression was used to adjust for important pre-specified potential confounders.

A total of 50,848 women were included in the analysis and 9.9% (4,579) met the criteria for anemia (hematocrit <36%). Potentially serious medical complications were rare, occurring in only 348 women (0.7%), and were more common among anemic patients (1.1% vs 0.6%, p < 0.001). On multivariate analysis, preoperative anemia was associated with higher odds of both potentially serious medical complications (OR 1.38, 95% CI 1.01-1.88) and returning to the operating room (OR 1.55, 95% CI 1.23-1.94). Anemic patients had a four-fold increase in the odds of requiring a blood transfusion (OR 4.47, 95% CI 3.60-5.56).

Preoperative anemia is associated with an increased risk of adverse postoperative outcomes in women having surgery for pelvic organ prolapse.

Preoperative anemia is associated with an increased risk of adverse postoperative outcomes in women having surgery for pelvic organ prolapse.

Family and twin studies demonstrate that pelvic organ prolapse (POP) is heritable, but the genetic etiology is poorly understood. This review aimed to identify genetic loci and specific polymorphisms associated with POP, while assessing the strength, consistency, and risk of bias among reported associations.

Updating an earlier systematic review, PubMed and HuGE Navigator as well as relevant conference abstracts were searched using genetic and phenotype keywords from 2015 to 2020. Screening and data extraction were performed in duplicate. see more Fixed and random effects meta-analyses were conducted using co-dominant models of inheritance. We assessed credibility of pooled associations using interim Venice criteria.

We screened 504 new abstracts and included 46 published and 7 unpublished studies. In pooled analyses we found significant associations for four polymorphisms rs2228480 at the ESR1 gene (OR 0.67 95% CI 0.46-0.98, I

= 0.0%, Venice rating BAB), rs12589592 at the FBLN5 gene (OR 1.46 95% CI 1.11-1.82, I

= 36.3%, Venice rating BBB), rs484389 in the PGR gene (OR 0.61 95% CI 0.39-0.96, I

= 32.4%, Venice rating CBB), and rs1800012 at the COL1A1 gene (OR 0.80 95% CI 0.66-0.96, I

= 0.0%, Venice rating BAB). Further credible novel variants have also been recently identified in genome-wide association studies.

The genetic contributions to POP remain poorly understood. Several biologically plausible variants have been identified, but much work is required to establish the role of these genes in the pathogenesis of POP or to establish a role for genetic testing in clinical practice.

The genetic contributions to POP remain poorly understood. Several biologically plausible variants have been identified, but much work is required to establish the role of these genes in the pathogenesis of POP or to establish a role for genetic testing in clinical practice.

Oxylipins are lipid mediators derived from polyunsaturated fatty acids. Some oxylipins are proinflammatory (e.g. those derived from arachidonic acid [ARA]), others are pro-resolving of inflammation (e.g. those derived from α-linolenic acid [ALA], docosahexaenoic acid [DHA] and eicosapentaenoic acid [EPA]) and others may be both (e.g. those derived from linoleic acid [LA]). The goal of this study was to examine whether oxylipins are associated with incident type 1 diabetes.

We conducted a nested case-control analysis in the Diabetes Autoimmunity Study in the Young (DAISY), a prospective cohort study of children at risk of type 1 diabetes. Plasma levels of 14 ARA-derived oxylipins, ten LA-derived oxylipins, six ALA-derived oxylipins, four DHA-derived oxylipins and two EPA-related oxylipins were measured by ultra-HPLC-MS/MS at multiple timepoints related to autoantibody seroconversion in 72 type 1 diabetes cases and 71 control participants, which were frequency matched on age at autoantibody seroconversion (of the case), ethnicity and sample availability.