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Screening for Osteoporosis to Prevent Fractures: US Preventive Services Task Force Recommendation Statement

Author/s: 
US Preventive Services Task Force

Importance Osteoporotic fractures are associated with psychological distress, subsequent fractures, loss of independence, reduced ability to perform activities of daily living, and death.

Objective The US Preventive Services Task Force (USPSTF) commissioned a systematic review to evaluate the evidence on the benefits and harms of screening for osteoporosis to prevent fractures in adults 40 years or older with no known diagnosis of osteoporosis or history of fragility fracture.

Population Adults 40 years or older without known osteoporosis or history of fragility fractures.

Evidence Assessment The USPSTF concludes with moderate certainty that screening for osteoporosis to prevent osteoporotic fractures in women 65 years or older has moderate net benefit. The USPSTF concludes with moderate certainty that screening for osteoporosis to prevent osteoporotic fractures in postmenopausal women younger than 65 years at increased risk has moderate net benefit. The USPSTF concludes that the evidence is insufficient and the balance of benefits and harms for screening for osteoporosis to prevent osteoporotic fractures in men cannot be determined.

Recommendation The USPSTF recommends screening for osteoporosis to prevent osteoporotic fractures in women 65 years or older. (B recommendation) The USPSTF recommends screening for osteoporosis to prevent osteoporotic fractures in postmenopausal women younger than 65 years who are at increased risk for an osteoporotic fracture as estimated by clinical risk assessment. (B recommendation) The USPSTF concludes that the current evidence is insufficient to assess the balance of benefits and harms of screening for osteoporosis to prevent osteoporotic fractures in men. (I statement)

Stress urinary incontinence and synthetic mesh midurethral slings in women

Author/s: 
Kanji, Sarah, Clancy, Aisling A.

Stress urinary incontinence has a prevalence of 10%–40% and is considered severe in 3%–17% of women worldwide.1 Diagnosis involves demonstrating involuntary urine leakage with increases in intra-abdominal pressure (e.g., exercising, coughing). On history, it is important to differentiate this leakage from symptoms like urgency, frequency and nocturia, as these may indicate mixed urinary incontinence or overactive bladder.

Pelvic organ prolapse

Author/s: 
Lee, Patricia E., Mcleod, Laura

Prolapse is found in 41%–50% of adult females, with symptoms of pelvic pressure and vaginal bulge sensation reported by 3%–6% of adult females. Prolapse is diagnosed and staged with physical examination based on the maximum descent of vaginal tissue (anterior, posterior or apex) on Valsalva manoeuvre. Symptoms commonly begin when the bulge reaches within 0.5 cm of the vaginal opening. Imaging is not routinely needed. Risk factors include increasing age, parity, a history of vaginal delivery, obesity, constipation, postmenopausal status and connective tissue disorders.

Diagnosis and management of endometriosis

Author/s: 
Allaire, Catherine, Bedaiwy, Mohamed, Yong, Paul

Endometriosis is a chronic condition defined by the presence of endometrial-like tissue outside of the uterus, which can lead to estrogen-driven inflammation. The extent of disease can be highly variable, ranging from minimal peritoneal deposits to deep disease that can invade into the bowel, bladder and ureter and, more rarely, spread to extrapelvic (e.g., cutaneous, thoracic) sites. Endometriosis is a complex disease that has considerable impact on the quality of life of those affected and that has no cure. It remains poorly understood. We review the epidemiology, pathophysiology, diagnosis and management of endometriosis, based on the best available evidence and clinical guidelines

A challenging diagnosis: hereditary angioedema presenting during pregnancy

Author/s: 
Chair, I., Lacuesta, G., Nash, C. M., Cook, V.

• Hereditary angioedema (HAE) is a rare autosomal dominant
disorder characterized by recurrent episodes of painful (and
usually asymmetric) swelling without urticaria that leads to
substantial morbidity and even mortality (in the case of
laryngeal involvement) if left untreated.
• Delayed diagnosis and misdiagnosis of HAE are common,
particularly during pregnancy and the postpartum period.
• Hereditary angioedema should be considered in the differential
diagnosis of any patient presenting with unexplained
abdominal pain and recurrent episodes of angioedema
(particularly if asymmetric in nature) without urticaria.
• Tests to confirm the diagnosis of HAE include measurement of
C4 and C1 inhibitor (INH) antigen and function.
• Successful pregnancy and delivery are possible in HAE with
proper medical management, which includes plasma-derived
C1-INH and collaboration with HAE specialists.

Screening for Syphilis Infection in Nonpregnant Adolescents and Adults: US Preventive Services Task Force Reaffirmation Recommendation Statement

Author/s: 
US Preventative Services task Force, Mangione, C. M., Barry, M. J., Nicholson, W. K., Cabana, M., Chelmow, D., Coker, T. R., Davis, E. M., Donahue, K. E., Jaén, C. R., Kubik, M., Li, L., Ogedegbe, G., Pbert, L., Ruiz, J. M., Stevermer, J., Wong, B. J.

Importance: Syphilis is a sexually transmitted infection that can progress through different stages (primary, secondary, latent, and tertiary) and cause serious health problems if left untreated. Reported cases of primary and secondary syphilis in the US increased from a record low of 2.1 cases per 100 000 population in 2000 and 2001 to 11.9 cases per 100 000 population in 2019. Men account for the majority of cases (83% of primary and secondary syphilis cases in 2019), and rates among women nearly tripled from 2015 to 2019.

Objective: To reaffirm its 2016 recommendation, the US Preventive Services Task Force (USPSTF) commissioned a reaffirmation evidence update focusing on targeted key questions evaluating the performance of risk assessment tools and the benefits and harms of screening for syphilis in nonpregnant adolescents and adults.

Population: Asymptomatic, nonpregnant adolescents and adults who have ever been sexually active and are at increased risk for syphilis infection.

Evidence assessment: Using a reaffirmation process, the USPSTF concludes with high certainty that there is a substantial net benefit of screening for syphilis infection in nonpregnant persons who are at increased risk for infection.

Recommendation: The USPSTF recommends screening for syphilis infection in persons who are at increased risk for infection. (A recommendation).

Diagnosis and treatment of adenomyosis

Author/s: 
Dason, Ebernella Shirin, Chan, Crystal, Sobel, Mara

Adenomyosis is a benign gynecological disorder characterized by aberrant development of endometrial glands and stroma within the myometrium, causing inflammation and neuroangiogenesis. Adenomyosis often coexists with other gynecological conditions and may cloud the clinical presentation.

Use of anastrozole for breast cancer prevention (IBIS-II): long-term results of a randomised controlled trial

Author/s: 
Cuzick, J, Sestak, I, Forbes, JF, Dowsett, M, Cawthorn, S, Mansel, RE, Loibl, S, Bonanni, B, Evans, DG, Howell, A, IBIS-II Investigators

BACKGROUND:

Two large clinical trials have shown a reduced rate of breast cancer development in high-risk women in the initial 5 years of follow-up after use of aromatase inhibitors (MAP.3 and International Breast Cancer Intervention Study II [IBIS-II]). Here, we report blinded long-term follow-up results for the IBIS-II trial, which compared anastrozole with placebo, with the objective of determining the efficacy of anastrozole for preventing breast cancer (both invasive and ductal carcinoma in situ) in the post-treatment period.

METHODS:

IBIS-II is an international, randomised, double-blind, placebo-controlled trial. Postmenopausal women at increased risk of developing breast cancer were recruited and were randomly assigned (1:1) to either anastrozole (1 mg per day, oral) or matching placebo daily for 5 years. After treatment completion, women were followed on a yearly basis to collect data on breast cancer incidence, death, other cancers, and major adverse events (cardiovascular events and fractures). The primary outcome was all breast cancer.

FINDINGS:

3864 women were recruited between Feb 2, 2003, and Jan 31, 2012. 1920 women were randomly assigned to 5 years anastrozole and 1944 to placebo. After a median follow-up of 131 months (IQR 105-156), a 49% reduction in breast cancer was observed for anastrozole (85 vs 165 cases, hazard ratio [HR] 0·51, 95% CI 0·39-0·66, p<0·0001). The reduction was larger in the first 5 years (35 vs 89, 0·39, 0·27-0·58, p<0·0001), but still significant after 5 years (50 vs 76 new cases, 0·64, 0·45-0·91, p=0·014), and not significantly different from the first 5 years (p=0·087). Invasive oestrogen receptor-positive breast cancer was reduced by 54% (HR 0·46, 95% CI 0·33-0·65, p<0·0001), with a continued significant effect in the period after treatment. A 59% reduction in ductal carcinoma in situ was observed (0·41, 0·22-0·79, p=0·0081), especially in participants known to be oestrogen receptor-positive (0·22, 0·78-0·65, p<0·0001). No significant difference in deaths was observed overall (69 vs 70, HR 0·96, 95% CI 0·69-1·34, p=0·82) or for breast cancer (two anastrozole vs three placebo). A significant decrease in non-breast cancers was observed for anastrozole (147 vs 200, odds ratio 0·72, 95% CI 0·57-0·91, p=0·0042), owing primarily to non-melanoma skin cancer. No excess of fractures or cardiovascular disease was observed.

INTERPRETATION:

This analysis has identified a significant continuing reduction in breast cancer with anastrozole in the post-treatment follow-up period, with no evidence of new late side-effects. Further follow-up is needed to assess the effect on breast cancer mortality.

FUNDING:

Cancer Research UK, the National Health and Medical Research Council Australia, Breast Cancer Research Foundation, Sanofi Aventis, and AstraZeneca.

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