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""Middle meatal (MM) spacers may reduce adhesions following endoscopic sinus surgery (ESS). However, there is no consensus as to which materials and adjuncts are the most effective for this purpose. The primary objective of this study was to examine the effectiveness of absorbable spacers (AS) vs nonabsorbable spacers (NAS) in reducing adhesions following ESS for chronic sinusitis. Secondarily, we assessed steroidal vs nonsteroidal MM spacers in reducing adhesions. Following Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, a systematic review of randomized controlled trials (RCTs) was conducted and a meta-analysis on relevant outcome data was performed. Electronic search was done using OVID MEDLINE, EMBASE, Cochrane Central register of Controlled Trials, and Web of Science. Independent data extraction and evaluation was conducted. For our [http://www.selleckchem.com/products/PD-0332991.html Palbociclib] primary objective, 6 RCTs were included in the systematic review. A pooled estimate of relevant trials revealed a nonsignificant trend favoring AS in reducing adhesion formation compared to NAS (Relative Risk (RR), 0.40; 95% confidence interval [CI], 0.15�C1.03). This trend was not apparent if NAS are left for greater than 48 hours after ESS. For our secondary objective, we identified 5 RCTs that compared steroidal vs nonsteroidal spacers. Although a pooled analysis could not be achieved due to inconsistent reporting of MM adhesions, [http://www.selleckchem.com/products/Everolimus(RAD001).html Everolimus order] 2 studies demonstrated significantly less adhesions in the steroidal spacer group. Comparison between NAS and AS showed that there was no significant difference in adhesion rates if NAS are used for at least 48 hours after surgery. Steroidal spacers may reduce adhesions, but more consistent data reporting is required for meta-analysis. ""The incidence of asthma and obesity is increasing worldwide, and reports suggest that obese patients have more severe asthma. We investigated whether obese asthma patients have more severe airway obstruction and airway hyper-responsiveness and a different type of airway inflammation than lean asthmatics. Furthermore, we assessed the effect of obesity on corticosteroid treatment response. [https://en.wikipedia.org/wiki/Cilengitide Cilengitide] Patient data from four well-documented asthma cohorts were pooled (n?=?423). We evaluated FEV1, bronchial hyper-responsiveness (PC20) to either methacholine/histamine or adenosine 5��-monophosphate (AMP) (differential) cell counts in induced sputum and blood and corticosteroid treatment response in 118 patients. At baseline, FEV1, PC20 methacholine or histamine, and PC20 AMP values were comparable in 63 obese (BMI ��30?kg/m2) and 213 lean patients (BMI