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Akut Biliyer Pankreatit ve ERCP Sonrası Erken Laparoskopik Kolesistektomi Tek Merkez Sonuçlarımız
Global burden of 369 diseases and injuries in 204 countries and territories, 1990–2019: a systematic analysis for the Global Burden of Disease Study 2019
Determination of prognostic factors of surgically treated pathological Stage IIIA non-small cell lung cancer: Cerrahi olarak tedavi edilen patolojik Evre IIIa küçük hücreli dışı akciğer kanserinin prognostik faktörlerinin belirlenmesi
Evaluation of pain and flexor reflex responses and their association with clinical parameters in patients with fibromyalgia
DEZENFEKSİYONUN MAKSİLLOFASİYAL SİLİKON ELASTOMERİN FİZiKSEL ÖZELLİKLERİ ÜZERİNE ETKİLERİ
The Effects of the Wall Colors Used in Educational Spaces on the Perceptual Evaluations of Students
Ses Bilgisi Farkındalık Programının Birinci Sınıf Öğrencilerinin Sesbilgisel Farkındalık Becerilerinin Gelişimine Etkisi
Thermodynamic comparison of crank-drive and rhombic-drive mechanisms for a single cylinder spark ignition engine
In internal combustion engines, power is taken from a shaft and motor
movement is defined by the angular motion of this shaft. This movement
refers to the angle of the gear in rhombic drive mechanism engines while
taking the name of the crank angle in crankshaft engines. In this study,
thermodynamic comparison was performed in a single cylinder, four-stroke
spark ignition engine with crank-drive and alternative rhombic drive
mechanisms. Maximum cylinder pressure was obtained at 371 degrees for
both rhombic drive and crank mechanism. The maximum cylinder pressure of
the crank mechanism is 63.1 bar while the maximum cylinder pressure of
the rhombic drive mechanism is 64.5 bar. While in the rhombic drive
mechanism engine, the amount of heat lost from the cylinder wall is
15.27 J in one cycle, this value is calculated as 13.68 J with a crank
mechanism for a cycle
Weight and height separated provide better understanding than BMI on the risk of revision after total knee arthroplasty: report of 107,228 primary total knee arthroplasties from the Swedish Knee Arthroplasty Register 2009-2017
Background and purpose - Obesity defined as increased BMI is commonly
associated with higher revision rates following total knee arthroplasty
(TKA). We examined the effect of BMI on the rate of revision after TKA,
for both infection and other reasons, and analyzed weight and height
separately to provide better understanding of the risk profile. Patients
and methods - The Swedish national knee arthroplasty register was used
to identify 107,228 patients operated with primary TKA for
osteoarthritis between 2009 and 2017. Cox proportional hazards
regression was used to calculate hazard ratios (HRs) with 95\%
confidence intervals (CIs) for BMI (categories: < 18.5, 18.5-24.9,
25-29.9, 30-34.9, 35-39.9, >= 40), weight (categories: < 65, 65-89,
90-114, >= 115 kg) and height (categories: = 180 cm
Results - There were 2,503 revisions in the follow-up period; 1,036 for
infection and 1,467 for other reasons. Higher BMI and weight categories
were associated with a similar and statistically significantly increased
risk of revision for all causes and for infection. The risk of revision
for infection was almost twice in the highest BMI and highest weight
group: HR = 3.4 (CI 2.3-4.7) and HR = 3.1 (CI 2.5-3.9) respectively. For
BMI and weight categories there was no statistically significant
association between revision for other reasons than infection, contrary
to the tallest height category where it was statistically significant
(HR = 1.3 {[}CI 1.1-1.5]). Interpretation - BMI, weight, and height may
be associated with different types of risks for revision following TKA