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7 (95% CI 2.5-3.0) higher for the overweight and 7.3 (6.7-8.0) higher for the obese, aged 45-64. this website The corresponding figures for individuals aged 65-84 were 2.1 (2.0-2.2) and 4.0 (3.8-4.3) higher, respectively. The changes in the prevalence of obesity and an increase in the elderly population accounted for an estimated increase of 1,700 TKAs over the 7 years. Interpretation - The increase in obesity frequency and the rise in the population of middle-aged and elderly may, to some extent, explain the rise in TKA utilization in Sweden.

To describe the utility of venous flow couplers in monitoring free tissue flaps in the immediate postoperative setting.

Retrospective case series.

Otolaryngology department at a single tertiary care institution.

A retrospective case series of free flap reconstructions in which venous flow couplers were employed to supplement flap monitoring. All free flap cases performed over the past 4 years were reviewed. Inclusion criteria were venous flow coupler and arterial flow Doppler monitored for 5 days postoperatively.

From July 2014 through May 2018, the venous flow coupler was used with the arterial flow Doppler and clinical monitoring in 228 cases. Eleven cases did not meet criteria for inclusion; thus, 217 cases were analyzed. Twenty cases (9.2%) returned to the operating room with concern for flap compromise, and 16 were salvaged. The combination of venous flow coupler and arterial flow Doppler identified 19 of these flaps. Venous flow couplers identified 5 compromised flaps before there was an arterial signal change, and all were salvaged. Additionally, there was a 24.1% false-positive rate when 2 venous flow couplers were used in parallel. For the venous flow coupler, the positive predictive value was 64.3% and the negative predictive value, 98.9%. The false-positive rate in the series was 5.1%. The sensitivity was 90% and the specificity, 94.9%.

The venous flow coupler is able to detect venous thrombosis in the absence of arterial thrombosis and may contribute to improved flap salvage rates.

The venous flow coupler is able to detect venous thrombosis in the absence of arterial thrombosis and may contribute to improved flap salvage rates.Background. To overcome field of view and ergonomic limitations of standard laparoscopes, we are developing a multi-resolution foveated laparoscope (MRFL), which can simultaneously obtain both wide- and zoomed-in-view images. To facilitate the effectiveness of our MRFL, we have been investigating various ways of organizing and visualizing dual-view multi-resolution images acquired by the MRFL. In our prior study, we implemented and compared 6 display modes for the MRFL, assuming a typical clinical environment where a standard (but limited) resolution monitor is available. To take full advantage of our MRFL, displays having sufficient screen resolutions might be advantageous. The present study aims to further understand the effects of view configurations through displays with a standard high-definition (HD) resolution and a 4K resolution. In this study, we compare 3 display modes for limited-resolution displays against a new mode for sufficient-resolution displays. Methods. Twenty subjects performed 3 evaluation trials of a touching task with each display mode in an emulated MRFL environment. Various objective measurements including task completion time and the number of collisions, and subjective preference were recorded. Results. The new mode showed a better task completion time than the other modes, while it maintained a low number of collisions similar to the others. Moreover, the majority of participants selected the new mode as their most preferred one. Conclusions. With a sufficient display resolution, the co-registration between the unblocked and unwarped wide context view and the high-resolution zoomed-in view offered by the new mode was highly effective on both task performance and user preference.

Laryngopharyngeal reflux (LPR) is defined as the retropulsion of gastric contents into the larynx, oropharynx, and/or nasopharynx. The 24-hour combined hypopharyngeal-esophageal multichannel intraluminal impedance with dual pH probe (24h-HEMII-pH) is currently the gold standard in LPR diagnosis; however, it is invasive, user dependent, and not always tolerated. This study assesses the diagnostic utility of salivary pepsin (Peptest) at different thresholds and during symptomatic periods as compared with the 24h-HEMII-pH probe in diagnosing LPR.

Prospective cohort study.

Private laryngology clinic in Melbourne, Australia.

Thirty-five patients with a clinical history and endoscopic findings of LPR were recruited and simultaneously evaluated for LPR via 24h-HEMII-pH probe and salivary pepsin analysis at 5 key time points over the same 24-hour period.

Salivary pepsin was 76.9% sensitive and had a positive predictive value (PPV) of 87.0% at a threshold of 16 ng/mL when compared with the 24h-HEMII-pH probepicion remains high following negative salivary pepsin analysis, a 24h-HEMII-pH study could provide further diagnostic information.

Conflicting data exist regarding the benefit of urgent coronary angiogram and percutaneous coronary intervention (PCI) after sudden cardiac arrest, particularly in the absence of ST-segment elevation. We hypothesized that the type of lesions treated (stable versus unstable) influences the benefit derived from PCI.

Data were taken between May 2011 and 2014 from a prospective registry enrolling all sudden cardiac arrest in Paris and suburbs (6.7 million inhabitants). Patients undergoing emergent coronary angiogram were included. Decision to perform PCI was left to the discretion of local teams. We assessed the impact of emergent PCI on survival at discharge according to whether the treated lesion was angiographically unstable or stable, and we investigated the predictive factors for unstable coronary lesions.

Among 9265 sudden cardiac arrests occurring during the study period, 1078 underwent emergent coronary angiogram (median age 59.6 years, 78.3% males) 463 (42.9%) had an unstable lesion, 253 (23.5%) on ST-elevation, absence of coronary artery disease history, and shockable initial rhythm) could help identify patients with unstable lesions who would, therefore, benefit from emergent coronary angiogram.

Emergent PCI of unstable lesions is associated with improved survival after sudden cardiac arrest, contrary to PCI of stable lesions. Accordingly, early PCI should only be performed in patients with unstable lesions. Four factors (chest pain, ST-elevation, absence of coronary artery disease history, and shockable initial rhythm) could help identify patients with unstable lesions who would, therefore, benefit from emergent coronary angiogram.

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