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of infection are consistent with those of other populations.

There are large inequities in the lung cancer burden for the Indigenous Māori population of New Zealand. We model the potential lifetime health gains, equity impacts and cost-effectiveness of a national low-dose CT (LDCT) screening programme for lung cancer in smokers aged 55-74 years with a 30 pack-year history, and for formers smokers who have quit within the last 15 years.

A Markov macrosimulation model estimated health benefits (health-adjusted life-years (HALYs)), costs and cost-effectiveness of biennial LDCT screening. MLT-748 nmr Input parameters came from literature and NZ-linked health datasets.

New Zealand.

Population aged 55-74 years in 2011.

Biennial LDCT screening for lung cancer compared with usual care.

Incremental cost-effectiveness ratios were calculated using the average difference in costs and HALYs between the screened and the unscreened populations. Equity analyses included substituting non-Māori values for Māori values of background morbidity, mortality and stage-specific survival. Changnnial LDCT lung cancer screening programme in New Zealand is likely to be cost-effective, will improve total population health and reduce health inequities for Māori. Attention must be paid to addressing ethnic inequities in stage-specific lung cancer survival.

Family physicians or general practitioners play central roles in many countries' primary care systems, but family medicine (FM) remains relatively unestablished in Japan. Previous studies in Japan have examined the general population's understanding of FM as a medical specialty, but none have explored this topic using actual FM clinic patients. Here, we describe a protocol to explore the perceptions of FM among long-term patients of one of Japan's oldest FM clinics.

The study will be conducted at the Motowanishi Family Clinic in Hokkaido, Japan, using patients who have attended the clinic for over 10 years. The analysis will adopt a two-phase explanatory sequential mixed methods design. During phase I, quantitative data from participants' medical records will be collected and reviewed, and patients' perceptions of FM will be assessed through a questionnaire. The correlations between participants' knowledge that the clinic specialises in FM and various characteristics will be examined. In phase II, qualitannual academic meeting and submitted for publication in relevant journals. The findings will also be provided to the patients via the clinic's internal newsletter.

To evaluate the incidence of osteoporotic hip fracture in the Macarena Health Area (Seville).

This was a prospective observational study that collected all osteoporotic hip fractures that occurred between March 2013 and February 2014 at the Clinical Unit of Traumatology and Orthopaedics. All cases collected during the first 6 months of the study were followed for 1 year after the occurrence of the event.

We evaluated the incidence of osteoporotic hip fractures in the Macarena Health Area (Seville) from 1 March 2013 to 28 February 2014, and we compared the incidence with that in 2 previous studies carried out with the same methodology in 1994 and 2006. Furthermore, we calculated the morbidity and degree of disability 1 year after the fracture occurred and determined mortality and the associated factors.

The overall incidence was 228 per 100 000 individuals/year (95% CI 204.5 to 251.6), and the incidence was higher in women than in men. In women, the incidence rate decreased in all age groups over time, while in men, the incidence rate increased. The mortality rate 1 year after the episode was 27.2%. The factors associated with overall mortality were a body mass index below 25 kg/m

, renal failure and low plasma proteins.

Our results show a high incidence of osteoporotic hip fracture that is increasing in men, and in men it is associated with a higher mortality than in women. There is room to improve the modifiable factors associated with mortality and the available rehabilitation interventions to reduce the disability associated with these fractures.

Our results show a high incidence of osteoporotic hip fracture that is increasing in men, and in men it is associated with a higher mortality than in women. There is room to improve the modifiable factors associated with mortality and the available rehabilitation interventions to reduce the disability associated with these fractures.

Left bundle branch area pacing (LBBaP) has been accepted as a physiological pacing method that can yield narrow paced QRS waves. For patients with failed biventricular pacing (Bi-V), LBBaP is another feasible option. However, no randomised controlled study has evaluated the efficacy and safety of LBBaP in heart failure patients with left bundle branch block (LBBB). Therefore, we aimed to conduct this type of randomised controlled trial.

This study is a single-centre, randomised controlled non-inferiority trial. This study will be conducted at the cardiac centre of Beijing Anzhen Hospital. From January 2020 to December 2022, 180 heart failure patients with reduced left ventricular ejection fraction (LVEF ≤35%) and LBBB undergoing Bi-V implantation will be consecutively enrolled in this study. Participants will be randomised at a 11 ratio into an experimental group (LBBaP) and a control group (Bi-V). The primary outcome is LVEF. The secondary outcomes are NT-proBNP, duration of the QRS complex, end systolic volume, end diastolic volume, the 6-minute walking test and quality of life (SF-36 scale), all causes of mortality, cardiovascular death, rehospitalisation rate of heart failure, other rehospitalisation rates, major complication rates, procedure costs and hospitalised dates.

This study has been approved by the Beijing Anzhen Hospital Medical Ethics Committee (No. ks201932). The results of this study will be presented at domestic and international conferences. We hypothesise that LBBaP is non-inferior compared with Bi-V for treating patients with heart failure and LBBB. This trial will provide evidence-based recommendations for electrophysiologists.

Chinese Clinical Trial Registry (ChiCTR2000028726).

Chinese Clinical Trial Registry (ChiCTR2000028726).