Given a passage with a context and an answer, construct a question on the basis of the information present in the passage. Construct the question in such a way that (i) it is unambiguous, (ii) it is answerable from the passage, (iii) its answer is unique (iv) it answer uses text phrases from the passage. Avoid creating questions that (i) can't be answered correctly without actually understanding the passage and (ii) uses the same words or phrases given in the passage.

Input: Consider Input: Context: Barrett esophagus (BE) is considered precursor condition of esophageal adenocarcinoma. Its incidence and prevalence are increasing in general population. Studies reported that metabolic syndrome (MS) or diabetes mellitus (DM) is related to increased risk of BE. Current study was to assess and better understand the relationship between MS /DM and BE.', "Electronic search was conducted in the database Pubmed/Medline (-December, 2015), Embase (-December, 2015), Cochrane Library (-December, 2015), and Web of Knowledge (-December, 2015). Studies included were assessed with summary odds ratios (ORs) with 95% confidence intervals (CIs) and compared exposure group with control group. The heterogeneity was examined by the funnel plot and the Egger's test. Subgroup analyses and sensitive analyses were performed for the detection of possible heterogeneity and impact on stability of analysis results.", "Twelve publications met the criteria and included 355,311 subjects were analyzed. The pooled results showed MS was closely associated with increased risk of BE (OR\u200a=\u200a1.23; 95%CI 1.03-1.47; P\u200a=\u200a0.024), and yet DM did not significantly increase the risk of BE (OR\u200a=\u200a1.07; 95%CI 0.82-1.38; P\u200a=\u200a0.627). Substantial heterogeneities were detected. No significant publication bias was detected by Egger's test (P\u200a=\u200a0.23).
Answer: Based on the results of current meta-analysis, MS is associated with increased risk of BE. Further long-term follow-up prospective study needs to verify the current results, and definite pathophysiological mechanism needs to be further investigated and clearly elucidated.

Output: Is metabolic syndrome associated with increased risk of Barrett esophagus : A meta-analysis?


Input: Consider Input: Context: To describe the common locations of active trigger points (TrPs) in the temporalis muscle and their referred pain patterns in chronic tension type headache (CTTH), and to determine if pressure sensitivity maps of this muscle can be used to describe the spatial distribution of active TrPs.', 'Forty women with CTTH were included. An electronic pressure algometer was used to assess pressure pain thresholds (PPT) from 9 points over each temporalis muscle: 3 points in the anterior, medial and posterior part, respectively. Both muscles were examined for the presence of active TrPs over each of the 9 points. The referred pain pattern of each active TrP was assessed.', 'Two-way analysis of variance detected significant differences in mean PPT levels between the measurement points (F=30.3; P<0.001), but not between sides (F=2.1; P=0.2). PPT scores decreased from the posterior to the anterior column (P<0.001). No differences were found in the number of active TrPs (F=0.3; P=0.9) between the dominant side the nondominant side. Significant differences were found in the distribution of the active TrPs (chi2=12.2; P<0.001): active TrPs were mostly found in the anterior column and in the middle of the muscle belly. The analysis of variance did not detect significant differences in the referred pain pattern between active TrPs (F=1.1, P=0.4). The topographical pressure pain sensitivity maps showed the distinct distribution of the TrPs indicated by locations with low PPTs.
Answer: Multiple active TrPs in the temporalis muscle were found, particularly in the anterior column and in the middle of the muscle belly. Bilateral posterior to anterior decreased distribution of PPTs in the temporalis muscle in women with CTTH was found. The locations of active TrPs in the temporalis muscle corresponded well to the muscle areas with lower PPT, supporting the relationship between multiple active muscle TrPs and topographical pressure sensitivity maps in the temporalis muscle in women with CTTH.

Output: Are multiple active myofascial trigger points and pressure pain sensitivity maps in the temporalis muscle related in women with chronic tension type headache?


Input: Consider Input: Context: Colorectal resection in cirrhotic patients is associated with high mortality and morbidity related to portal hypertension and liver insufficiency.', 'This retrospective study evaluated the clinical outcomes of cirrhotic patients who underwent transjugular intrahepatic porto-systemic shunt (TIPS) placement before colorectal resection for cancer. Main outcomes measures were postoperative morbidity and mortality rates.', 'TIPS placement was successful in all eight patients and significantly decreased the mean hepatic venous pressure gradient from 15.5 ± 2.9 to 7.5 ± 1.9 mmHg (p = 0.02). Surgical procedures included right colectomy (n = 3), left colectomy (n = 2), and proctectomy with total mesorectal excision (n=3). Post-operatively, two patients (25%) died of multiple organ failure. The overall postoperative morbidity rate was 75%, and major complications were seen in 25%.
Answer: Portal decompression via TIPS placement may enable selected cirrhotic patients with severe portal hypertension to undergo colorectal resection for cancer.


Output: Does transjugular intrahepatic portosystemic shunt placement increase feasibility of colorectal surgery in cirrhotic patients with severe portal hypertension?