Sexual dysfunction in women with PCOS: a case control study

STUDY QUESTION

What is the relationship of sex steroid levels with sexual function in women with and without polycystic ovary syndrome (PCOS)?

SUMMARY ANSWER

Women with PCOS reported more sexual dysfunction and more sexual distress compared to those without PCOS, but only few and weak associations between androgen levels and sexual function were observed.

WHAT IS KNOWN ALREADY

The literature shows that women with PCOS report lower levels of sexual function and sexual satisfactionand more sexual distress. Contributing factors seem to be obesity, alopecia, hirsutism, acne, infertility, anxiety, depression, and low self-esteem. In women with PCOS clinical and/or biochemical hyperandrogenism is common; its relationship with sexualfunction is, however, inconclusive.

STUDY DESIGN, SIZE, DURATION

This observational prospective case control study with 135 women (68 PCOS, 67 control) was conductedfrom March 2017 until March 2020.

PARTICIPANTS/MATERIALS, SETTING, METHODS

Heterosexual women with and without PCOS, aged 18-40 years, in a steady relationshipand without any comorbidities, underwent an extensive medical and endocrine screening using liquid chromatography-tandem mass spectrometry and validated sexual function questionnaires.

MAIN RESULTS AND THE ROLE OF CHANCE

Women with PCOS reported significantly lower sexual function (Female Sexual Function Index (FSFI) P < 0.001, partial η2 = 0.104), higher levels of sexual distress (Female Sexual Distress Scale-Revised P < 0.001, partial η2 = 0.090), and they more often complied with the definition of sexual dysfunction (41.2% vs 11.9%, P < 0.001, Phi V = 0.331) and clinical sexual distress (51.5% vs 19.4%, P < 0.001, Phi V = 0.335). Regression analysis adjusted for confounders showed only few and weak associations between androgen levels and sexual function, with each model explaining a maximum of 15% sexual function. Following significant Group × Hormone interactions, analyses for both groups separately showed no significant associations in the PCOS group. The control group showed only weak negative associations between testosterone and FSFI pain (β = -6.022, P = 0.044, Adj R2 = 0.050), between FAI and FSFI orgasm (β = -3.360, P = 0.023, Adj R2 = 0.049) and between androstenedione and clinical sexual distress (β = -7.293, P = 0.036, exp(β) = 0.001).

LIMITATIONS, REASONS FOR CAUTION

The focus of the study on sexual functioning potentially creates selection bias. Possibly women with more severe sexual disturbances did or did not choose to participate. Differences between women with PCOS and controls in relationship duration and hormonal contraceptive use might have skewed the sexual function outcomes.

WIDER IMPLICATIONS OF THE FINDINGS

Sexual function is impaired in women with PCOS. However, endocrine perturbations seem to have minimal direct impact on sexual function. Addressing sexuality and offering psychosexual counseling is important in the clinical care for women with PCOS.

STUDY FUNDING/COMPETING INTEREST(S)

This study was funded by the departments of the participating centers: Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, Erasmus University Medical Center, Rotterdam, the Netherlands; Department of Psychosomatic OBGYN and Sexology, Leiden University Medical Center, Leiden, the Netherlands; and Department of Sexology and Psychosomatic OBGYN, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, the Netherlands. J.S.E.L. received unrestricted research grants from the following companies (in alphabetical order): Ansh Labs, Ferring, Merck Serono and Roche Diagnostics. He also received consultancy fees from Ansh Labs, Ferring, Titus Healthcare and Roche Diagnostics. The other authors have no conflicts of interest.

TRIAL REGISTRATION NUMBER

CCMO register, registration number: NL55484.078.16, 10 March 2016. https://www.toetsingonline.nl/to/ccmo_search.nsf/Searchform?OpenForm.

Prioritizing Toxicities in Automated Outcome-Directed Treatment Plan Optimization

PURPOSE/OBJECTIVE(S)

We recently reported on quality of life (QOL)-guided radiotherapy including NTCP-based treatment plan optimization. This method employs NTCP objective functions, prioritized based on their impact on QOL, instead of conventional dose-based objective functions for individual organs at risk (OAR). We recently expanded this method to include simple models for tumor control probability (TCP) and general plan quality (e.g., hotspot reduction, target dose homogeneity), allowing for fully automated planning. The aim of this study was to test the feasibility of this method and to study predicted toxicity profiles of various plans by prioritizing toxicities differently during treatment plan optimization.

MATERIALS/METHODS

Thirty patients, representative of our population receiving definitive (chemo)radiotherapy for head and neck cancer, were selected for this study. Fully automated VMAT treatment plans were created using a mix of NTCP and TCP objective functions. TCP objective functions were based on a PTV D98 ≥ 95% of the prescribed dose. Automated plans were created for each patient using different priorities for 20 toxicities including salivary, swallowing and speech problems, pain and general symptoms. Toxicities were prioritized in different ways: 1) minimizing the impact on QOL; 2) minimizing salivary toxicity; 3) minimizing swallowing related toxicity; 4) equal weights for each toxicity. Manually created clinical VMAT plans were used as reference.

RESULTS

Toxicity priorities were easily selected prior to optimization and resulting plans did not need any manual post-processing. Fully automated NTCP-TCP-based optimization consistently resulted in superior plans when compared to the clinical reference plans and always in lower NTCPs for swallowing, speech, pain and general toxicities. Dose reductions in OARs depended on which toxicities were prioritized during plan optimization, e.g., the mean dose in the parotid glands was on average 13 Gy lower in salivary sparing plans compared with plans focused on swallowing sparing, and the average NTCP of salivary toxicities in those plans was 7% lower. However, these reductions were at the cost of higher NTCPs for dysphagia and moderate-to-severe general symptoms such as fatigue. Plans optimized based on the QOL model had the highest QOL scores.

CONCLUSION

Automated outcome-directed treatment plan optimization is feasible and consistently outperforms manually generated VMAT plans in terms of NTCP and QOL scores. Predicted toxicity profiles depend on toxicity priority settings prior to planning. The highest QOL score was obtained when toxicities were prioritized according to relative impact on QOL.

Positive effects of tree diversity on tropical forest restoration in a field-scale experiment

Experiments under controlled conditions have established that ecosystem functioning is generally positively related to levels of biodiversity, but it is unclear how widespread these effects are in real-world settings and whether they can be harnessed for ecosystem restoration. We used remote-sensing data from the first decade of a long-term, field-scale tropical restoration experiment initiated in 2002 to test how the diversity of planted trees affected recovery of a 500-ha area of selectively logged forest measured using multiple sources of satellite data. Replanting using species-rich mixtures of tree seedlings with higher phylogenetic and functional diversity accelerated restoration of remotely sensed estimates of aboveground biomass, canopy cover, and leaf area index. Our results are consistent with a positive relationship between biodiversity and ecosystem functioning in the lowland dipterocarp rainforests of SE Asia and demonstrate that using diverse mixtures of species can enhance their initial recovery after logging.

Preoperative pain measurements in correlation to deep endometriosis classification with Enzian. Deep endometriosis classification in relation to pain

Background: Deep Endometriosis (DE) classification studies with Enzian never compared solitary (A, B, C, F), and combinations of anatomical locations (A&B, A&C, B&C, A&B&C), in correlation to pain. Therefore, the results of these studies are challenging to translate to the clinical situation. Objectives: We studied pain symptoms and their correlation with the solitary and combinations of anatomical locations of deep endometriosis lesion(s) classified by the Enzian score. Materials and Methods: A prospective multi-centre study was conducted with data from university and non-university hospitals. A total of 419 surgical DE cases were collected with the web-based application called EQUSUM (www.equsum.org). Main outcome measures: Preoperative reported numeric rating scale (NRS) were collected along with the Enzian classification. Baseline characteristics, pain scores, surgical procedure and extent of the disease were also collected. Results: In general, more extensive involvement of DE does not lead to an increase in the numerical rating scale for pain measures. However, dysuria and bladder involvement do show a clear correlation AUC 0.62 (SE 0.04, CI 0.54-0.71, p< 0.01). Regarding the predictive value of dyschezia, we found a weak, but significant correlation with ureteric involvement; AUC 0.60 (SE 0.04, CI 0.53-0.67, p< 0.01). Conclusions:TPain symptoms poorly correlate with anatomical locations of deep endometriosis in almost all pain scores, with the exception of bladder involvement and dysuria which did show a correlation. Also, dyschezia seems to have predictive value for DE ureteric involvement and therefore MRI or ultrasound imaging (ureter and kidney) could be recommended in the preoperative workup of these patients. What’s new? Dyschezia might have a predictive value in detecting ureteric involvement.

Linking functional traits to multiscale statistics of leaf venation networks

Leaf venation networks evolved along several functional axes, including resource transport, damage resistance, mechanical strength, and construction cost. Because functions may depend on architectural features at different scales, network architecture may vary across spatial scales to satisfy functional tradeoffs. We develop a framework for quantifying network architecture with multiscale statistics describing elongation ratios, circularity ratios, vein density, and minimum spanning tree ratios. We quantify vein networks for leaves of 260 southeast Asian tree species in samples of up to 2 cm² , pairing multiscale statistics with traits representing axes of resource transport, damage resistance, mechanical strength, and cost. We show that these multiscale statistics clearly differentiate species' architecture and delineate a phenotype space that shifts at larger scales; functional linkages vary with scale and are weak, with vein density, minimum spanning tree ratio, and circularity ratio linked to mechanical strength (measured by force to punch) and elongation ratio and circularity ratio linked to damage resistance (measured by tannins); and phylogenetic conservatism of network architecture is low but scale-dependent. This work provides tools to quantify the function and evolution of venation networks. Future studies including primary and secondary veins may uncover additional insights.

Sexual functioning, sexual esteem, genital self-image and psychological and relational functioning in women with Mayer-Rokitansky-Küster-Hauser syndrome: a case-control study

STUDY QUESTION

Do sexual functioning, sexual esteem, genital self-image and psychological and relational functioning in women with Mayer-Rokitansky-Küster-Hauser (MRKH) syndrome differ from a comparison group of women without the condition?

SUMMARY ANSWER

In comparison to controls, women with MRKH with a non-surgically or surgically created neovagina did not differ in psychological and relational functioning but reported lower sexual esteem and more negative genital self-image, intercourse-related pain, clinically relevant sexual distress and sexual dysfunction, with sexual esteem levels strongly associated with sexual distress and sexual dysfunction.

WHAT IS KNOWN ALREADY

Studies on sexual functioning measured with standardized questionnaires in women with MRKH syndrome compared with women without the condition have yielded contradictory results. Factors associated with sexual functioning in this patient population have rarely been investigated.

STUDY DESIGN, SIZE, DURATION

Between November 2015 and May 2017, 54 women with MRKH syndrome with a neovagina and 79 age-matched healthy women without the condition were enrolled in this case-control study.

PARTICIPANTS/MATERIALS, SETTING, METHODS

All participants had to be at least 18-years old and had to live in a steady heterosexual relationship. Women with MRKH syndrome were asked to participate by their (former) gynecologists at three university hospitals and by MRKH peer support group. Controls were recruited via advertisement in local newspapers and social media. Standardized questionnaires were administered to assess sexual functioning, sexual esteem, genital self-image and psychological and relational functioning.

MAIN RESULTS AND THE ROLE OF CHANCE

Women with MRKH syndrome with a surgically or non-surgically created neovagina reported significantly more pain during intercourse (P < 0.05, d = 0.5), but did not differ in overall sexual functioning from control women. More women with MRKH syndrome reported clinically relevant sexuality-related distress (P < 0.05, odds ratio (OR): 2.756, 95% CI 1.219-6.232) and suffered a sexual dysfunction (P < 0.05, OR: 2.654, 95% CI: 1.088-6.471) in comparison with controls. MRKH women scored significantly lower on the sexual esteem scale (SES) (P < 0.01, d = 0.5) and the female genital self-image scale (FGSIS) (P < 0.01, d = 0.6) than controls. No significant differences were found between the two groups regarding psychological distress, anxiety and depression, global self-esteem and relational dissatisfaction. Sexual esteem was significantly associated with the presence of clinically relevant sexual distress (ß = 0.455, P = 0.001) and suffering a sexual dysfunction (ß = 0.554, P = 0.001) and explained, respectively, 40% and 28% of the variance.

LIMITATIONS, REASONS FOR CAUTION

Given the nature of the study focusing on sexual functioning, a potential selection bias cannot be excluded. It is possible that those women with the most severe sexual and/or psychological disturbances did or did not choose to participate in our study.

WIDER IMPLICATIONS OF THE FINDINGS

The study results add new data to the very limited knowledge about psychosexual functioning of women with MRKH syndrome and are of importance for more adequate counseling and treatment of these women.

STUDY FUNDING/COMPETING INTEREST(S)

The research was financially supported by the Dutch Scientific Society of Sexology (Nederlandse wetenschappelijke Vereniging Voor Seksuologie). The funding was unrestricted, and there was no involvement in the conduct of the research. There are no conflicts of interest to declare.